CN102992087A - Printed matter flattening device and printed matter image detecting equipment comprising same - Google Patents
Printed matter flattening device and printed matter image detecting equipment comprising same Download PDFInfo
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- CN102992087A CN102992087A CN2012104737840A CN201210473784A CN102992087A CN 102992087 A CN102992087 A CN 102992087A CN 2012104737840 A CN2012104737840 A CN 2012104737840A CN 201210473784 A CN201210473784 A CN 201210473784A CN 102992087 A CN102992087 A CN 102992087A
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Abstract
The invention discloses a printed matter flattening device which comprises a flattening plate, a vacuum generator, a negative pressure pipeline and a valve. The flattening plate is internally provided with a negative pressure cavity, and an air hole communicated with the negative pressure cavity is arranged on the upper surface of the flattening plate. One end of the negative pressure pipeline is connected with the vacuum generator, and another end of the negative pressure pipeline is connected with the negative pressure cavity. The valve is arranged on the negative pressure pipeline to be used for connecting and disconnecting the negative pressure pipeline. According to the printed matter flattening device provided by embodiments of the invention, when a printed matter is placed on the flattening plate, the vacuum generator can exhaust air of the negative pressure cavity to exhaust air between the printed matter and the flattening plate, so that the printed matter can be tightly fit on the flattening plate under the action of atmosphere, therefore, the printed matter is flattened, and the statuses of the printed matter, i.e. edge warping, bag concaveness, bag convex and the like can be avoided. The invention further discloses printed matter image detecting equipment comprising the printed matter flattening device.
Description
Technical field
The present invention relates to print field, in particular to a kind of printed matter flattening device and the printed matter image detecting apparatus with it.
Background technology
When gathering the image of printed matter, the phenomenons such as alice, concavo-convex bag can appear in printed matter.This causes image of low quality of the printed matter that gathers, can not satisfy the requirement of image detection.
Summary of the invention
The present invention one of is intended to solve the problems of the technologies described above at least to a certain extent or provides at least a kind of useful commerce to select.For this reason, one object of the present invention is to propose a kind of so that printed matter is in the printed matter flattening device of flat.
Another object of the present invention is to propose a kind of printed matter image detecting apparatus with above-mentioned printed matter flattening device.
Printed matter flattening device according to the embodiment of the invention comprises: flatten plate, have negative pressure cavity in the described flattening plate, the upper surface of described flattening plate is provided with the pore that is communicated with described negative pressure cavity; Vacuum generator; Negative pressure line, an end of described negative pressure line link to each other with described vacuum generator and the other end of described negative pressure line links to each other with described negative pressure cavity; And valve, described valve is located on the described negative pressure line and cuts off described negative pressure line for connected sum.
Printed matter flattening device according to the embodiment of the invention, when being placed on printed matter on the flattening plate, vacuum generator can be bled in order to the air between printed matter and the flattening plate is found time to negative pressure cavity, thereby under atmospheric effect, flatten on the plate so that so that printed matter is in flat so that printed matter is fitted in tightly, avoided printed matter the states such as alice, concavo-convex bag to occur.
In addition, printed matter flattening device according to the above embodiment of the present invention can also have following additional technical characterictic:
Particularly, the planeness of the upper surface of described flattening plate is not more than 0.2 millimeter.Printed matter more entirely is placed on flattens on the upper surface of plate, thereby can make the image of this printed matter of collection more stable, clear.
Further, described pore is a plurality of, and a plurality of described pores are arranged in multirow and multiple row.Thus not only can be more rapidly the lower surface of printed matter and the air that flattens between the upper surface of plate be taken away, and printed matter more entirely is placed on the upper surface that flattens plate.
Alternatively, described vacuum generator is in air extracting pump, vacuum pump and the vacuum generator one.
Alternatively, described negative pressure line is for being wound with flexible pipe wiry.When utilizing vacuum generator by negative pressure line negative pressure cavity to be bled, can avoid the negative pressure line distortion thus.
Preferably, described valve is electromagnetic valve.
According to some embodiments of the present invention, the printed matter flattening device also comprises: on minute chamber rib, described upper minute chamber rib is located on the roof of described negative pressure cavity and along the whole Width extension of described negative pressure cavity; Elasticity separator, the left side of described elasticity separator link to each other with the diapire of described negative pressure cavity and the diapire of right side and described negative pressure cavity and right side wall in one link to each other, described elasticity separator extends along the whole Width of described negative pressure cavity; Under divide the chamber rib, described lower minute chamber rib is located on the described elasticity separator and extends along the whole Width of described negative pressure cavity, the chamber rib was removable between disengaging configuration and minute position, chamber in described lower minute, spaced apart at described lower minute chamber rib of described disengaging configuration and described minute chamber rib, described lower minute chamber rib contacts with described minute chamber rib in position, described minute chamber; And actuator, described actuator links to each other with described lower minute chamber rib and described actuator is located on the diapire of described negative pressure cavity between described disengaging configuration and position, described minute chamber movably, and described actuator stretches out described negative pressure cavity.
According to the printed matter flattening device of the embodiment of the invention by a minute chamber rib, down minute chamber rib and elasticity separator are set in negative pressure cavity, thereby can separate in order to obtain the chamber of different length negative pressure cavity.According to the printed matter flattening device of the embodiment of the invention bank note of different denominations is flattened thus, namely the printed matter flattening device has the advantages such as range of use is wide.
Further, a described upper minute chamber rib is that a plurality of and a plurality of described minute chamber ribs of going up are turned up the soil along the left and right directions interval and are located on the roof of described negative pressure cavity, described lower minute chamber rib is that a plurality of and a plurality of described lower minute chamber rib turned up the soil along the left and right directions interval and be located on the described elasticity separator, the chamber rib was corresponding one by one with a plurality of described upper minute chamber ribs in a plurality of described lower minute, and described actuator is that a plurality of and a plurality of described actuators link to each other with a plurality of described lower minute chamber rib respectively accordingly.Printed matter flattening device according to the embodiment of the invention can flatten the bank note of how different denominations thus, thereby can further enlarge the range of use of printed matter flattening device.
Further, each described lower minute chamber rib links to each other with a plurality of described actuators.Can make down thus minute chamber rib on even keel mobile between described disengaging configuration and position, described minute chamber, get final product so that lower minute chamber rib on even keel moves up and down.
In some embodiments of the invention, the printed matter flattening device also comprises elastic component, and an end of described elastic component links to each other with the diapire of described negative pressure cavity and the other end links to each other with described lower minute chamber rib, wherein is in extended state at the described elastic component in position, described minute chamber.Can guarantee down that thus a minute chamber rib can be from described minute chamber position movement to described disengaging configuration.
Alternatively, described elasticity separator is elastic plate or elastic membrane.
According to the printed matter image detecting apparatus of the embodiment of the invention, comprise printed matter flattening device according to the above embodiment of the present invention.
According to the printed matter image detecting apparatus of the embodiment of the invention by printed matter flattening device according to the above embodiment of the present invention is set, thereby can be in flat so that be placed on the printed matter that flattens on the plate, assurance can collect the stable HD image of printed matter.Therefore the printed matter image detecting apparatus according to the embodiment of the invention has the advantages such as the quality of detection is good.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation of printed matter flattening device according to an embodiment of the invention, and wherein lower minute chamber rib is in disengaging configuration;
Fig. 2 is the structural representation of printed matter flattening device in accordance with another embodiment of the present invention, and wherein lower minute chamber rib is in disengaging configuration; With
Fig. 3 is the structural representation of printed matter flattening device in accordance with another embodiment of the present invention, and wherein lower minute chamber rib is in a minute position, chamber.
The specific embodiment
The below describes embodiments of the invention in detail, and the example of described embodiment is shown in the drawings, and wherein identical or similar label represents identical or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of indications such as " conter clockwises " are based on orientation shown in the drawings or position relationship, only be for convenience of description the present invention and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in the terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be captive joint, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can indirectly link to each other by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under the Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
Below with reference to the printed matter flattening device 100 of Fig. 1-Fig. 3 description according to the embodiment of the invention.Can be placed with printed matter, for example bank note on the printed matter flattening device 100.
As shown in Figure 1-Figure 3, the printed matter flattening device 100 according to the embodiment of the invention comprises flattening plate 1, vacuum generator 2, negative pressure line 3 and valve 4.
Have negative pressure cavity 10 in the flattening plate 1, the upper surface 11 that flattens plate 1 is provided with the pore (not shown) that is communicated with negative pressure cavity 10.One end of negative pressure line 3 links to each other with vacuum generator 2 and the other end of negative pressure line 3 links to each other with negative pressure cavity 10.Be to be formed with through hole on the diapire 13 of negative pressure cavity 10, the other end of negative pressure line 3 is communicated with through hole.Particularly, the lower end of negative pressure line 3 can link to each other with vacuum generator 2 and the upper end of negative pressure line 3 can link to each other with negative pressure cavity 10.Valve 4 is located at and is used for connected sum cut-out negative pressure line 3 on the negative pressure line 3.
Use procedure according to the printed matter flattening device 100 of the embodiment of the invention is described below.At first, printed matter (for example bank note) is placed on the upper surface 11 that flattens plate 1, then open valve 4 in order to be communicated with negative pressure line 3, open simultaneously 2 pairs of negative pressure cavities 10 of vacuum generator and bleed to produce negative-pressure air-flow, negative-pressure air-flow flows into by the described pore on the upper surface 11 that flattens plate 1, is then extracted out by vacuum generator 2 through negative pressure cavity 10, negative pressure line 3 successively.When negative-pressure air-flow flows, so that the air between the upper surface 11 of the lower surface of printed matter and flattening plate 1 is taken away by vacuum generator 2 by described pore.When the lower surface of printed matter and after flattening air between the upper surface 11 of plate 1 and all being taken away, along with vacuum generator 2 continue bleed, can produce certain negative pressure between printed matter and the flattening plate 1, under atmospheric effect, printed matter can be fitted on the upper surface 11 that flattens plate 1, so that printed matter is in flat tightly.Can carry out image acquisition work to this printed matter subsequently.Advantageously, can utilize the image of this printed matter of CCD collected by camera.
After image acquisition work is finished, valve 4 and vacuum generator 2 can be closed, be full of air between the upper surface 11 of the lower surface of printed matter and flattening plate 1, at last printed matter is taken off from flattening plate 1.
Printed matter flattening device 100 according to the embodiment of the invention, when being placed on printed matter on the flattening plate 1, vacuum generator 2 can be bled in order to the air between printed matter and the flattening plate 1 is found time to negative pressure cavity 10, thereby under atmospheric effect, flatten on the plate 1 so that so that printed matter is in flat so that printed matter is fitted in tightly, avoided printed matter the states such as alice, concavo-convex bag to occur.Can guarantee thus the quality of the image of this printed matter of gathering, satisfy the requirement of image detection.In other words, place printed matter by utilizing according to the printed matter flattening device 100 of the embodiment of the invention, thereby can make printed matter be in flat, can guarantee thus to collect the stable HD image of this printed matter.Therefore, according to the printed matter flattening device 100 of the embodiment of the invention have reasonable in design, simple to operate, Installation and Debugging convenient, detect the advantages such as quality is good.
Alternatively, vacuum generator 2 can be in air extracting pump, vacuum pump and the vacuum generator one.Advantageously, valve 4 can be electromagnetic valve.Negative pressure line 3 can be to be wound with flexible pipe wiry.For example, negative pressure line 3 can be the flexible pipe that is wound with steel wire.When utilizing vacuum generator 2 to bleed by 3 pairs of negative pressure cavities 10 of negative pressure line, can avoid negative pressure line 3 distortion thus.
It should be noted that the capacity of vacuum generator 2, the sectional area of negative pressure line 3, the volume of negative pressure cavity 10 and the area of the pore on the flattening plate 1 can pass through optimal design, to obtain the optimal parameter proportioning, have guaranteed that the best of negative-pressure air-flow is used.
In one embodiment of the invention, the planeness of the upper surface 11 of flattening plate 1 can be not more than 0.2 millimeter.Printed matter more entirely is placed on flattens on the upper surface 11 of plate 1, thereby can make the image of this printed matter of collection more stable, clear.Advantageously, flattening plate 1 can be made by the materials processing with good rigidity, and is easy to machine-shaping.Simultaneously, will be understood by those skilled in the art that, can carry out the black no-reflection to the upper surface 11 that flattens plate 1 and process, and homogeneity, the absorptance of the color of each position of the upper surface 11 of flattening plate 1 can be consistent.
In some embodiments of the invention, pore is a plurality of, and a plurality of pores are arranged in multirow and multiple row.Thus not only can be more rapidly the lower surface of printed matter and the air that flattens between the upper surface 11 of plate 1 be taken away, and printed matter more entirely is placed on the upper surface 11 that flattens plate 1.
Further, a plurality of pore spaced sets of the every delegation in the multirow and two adjacent pore interval preset distances, a plurality of pore spaced sets of each row in the multiple row and two adjacent described preset distances in pore interval.In other words, every delegation can comprise that a plurality of pores and each row also can comprise a plurality of pores.Printed matter more entirely is placed on the upper surface 11 that flattens plate 1, avoids printed matter the states such as alice, concavo-convex bag to occur.
As shown in Figure 1-Figure 3, in some embodiments of the invention, flattening device 100 can also comprise a minute chamber rib 5, elasticity separator 6, down minute chamber rib 7 and actuator 8.
Upper minute chamber rib 5 is located on the roof 12 of negative pressure cavity 10, and upper minute chamber rib 5 is along the whole Width extension of negative pressure cavity 10 direction of paper quadrature (namely with).The left side of elasticity separator 6 links to each other with the diapire 13 of negative pressure cavity 10 and the right side of elasticity separator 6 and the diapire 13 of negative pressure cavity 10 and link to each other (left and right directions is shown in the arrow A among Fig. 1-Fig. 3) in the right side wall 15, and elasticity separator 6 extends along the whole Width of negative pressure cavity 10.Minute chamber rib 7 is located on the elasticity separator 6 and lower minute chamber rib 7 extends along the whole Width of negative pressure cavity 10 down, under divide chamber rib 7 removable between disengaging configuration and minute position, chamber, spaced apart so that whole negative pressure cavity 10 is in connected state with minute chamber rib 5 at lower minute chamber rib 7 of described disengaging configuration, contact with a minute chamber rib 5 at minute lower minute chamber rib 7 in position, chamber, go up thus minute chamber rib 5, minute chamber rib 7 and elasticity separator 6 can be divided into negative pressure cavity 10 two mutual disconnected chambers down.Actuator 8 links to each other with lower minute chamber rib 7 and actuator 8 is located on the diapire 13 of negative pressure cavity 10 between disengaging configuration and minute position, chamber movably, and actuator 8 stretches out negative pressure cavity 10.
In other words, divide the front end of chamber rib 5 to link to each other with the antetheca of negative pressure cavity 10 on and the rear end of upper minute chamber rib 5 can link to each other with the rear wall of negative pressure cavity 10.The front end of elasticity separator 6 links to each other with the antetheca of negative pressure cavity 10, the rear end of elasticity separator 6 links to each other with the rear wall of negative pressure cavity 10, in the example of Fig. 1, the right-hand member of elasticity separator 6 links to each other with the right side wall 15 of negative pressure cavity 10, in the example of Fig. 2 and Fig. 3, the right-hand member of elasticity separator 6 links to each other with the diapire 13 of negative pressure cavity 10.Divide down the front end of chamber rib 7 to link to each other with the antetheca of negative pressure cavity 10, the rear end of lower minute chamber rib 7 links to each other with the rear wall of negative pressure cavity 10.
Wherein, the left end of elasticity separator 6 links to each other with the diapire 13 on the right side of the through hole that links to each other with negative pressure line 3 that is positioned at negative pressure cavity 10.In other words, the through hole that links to each other with negative pressure line 3 of negative pressure cavity 10 can be between the left side wall 14 and elasticity separator 6 of negative pressure cavity 10.Can change by upper minute chamber rib 5, elasticity separator 6 and lower minute chamber rib 7 thus the length of the negative pressure cavity 10 that communicates with negative pressure line 3.
At present, paper money in circulation comprises the denominations such as 1 yuan, 5 yuan, 10 yuan, 20 yuan, 50 yuan, 100 yuan on market.Wherein, the width of the banknote of different denominations approaches, but the length of the banknote of different denominations differs larger.
According to the printed matter flattening device 100 of the embodiment of the invention by a minute chamber rib 5, down minute chamber rib 7 and elasticity separator 6 being set in that negative pressure cavity 10 is interior, thereby can separate in order to obtain the chamber of different length negative pressure cavity 10.According to the printed matter flattening device 100 of the embodiment of the invention bank note of different denominations is flattened thus, namely printed matter flattening device 100 has the advantages such as range of use is wide.Particularly, on when dividing chamber rib 5 and lower minute chamber rib 7 spaced apart, printed matter flattening device 100 is suitable for the bank note flattening that denomination is larger, on when dividing chamber rib 5 chamber rib 7 contacting with lower minute, printed matter flattening device 100 is suitable for the bank note flattening that denomination is less.
Particularly, actuator 8 can move up and down so that driving lower minute chamber rib 7 moves up and down, band dynamic elasticity separator 6 distortion when chamber rib 7 moved up and down in lower minute.Driving lower minute chamber rib 7 at actuator 8 is moved upwards up to the process of position, described minute chamber from described disengaging configuration, elasticity separator 6 is out of shape gradually, when actuator 8 drives lower minute chamber rib 7 and moves to minute position, chamber, under minute chamber rib 7 contact with upper minute chamber rib 5 so that upper minute chamber rib 5, minute chamber rib 7 and elasticity separator 6 are divided into mutual the disconnected first sub-negative pressure cavity 10a and the second sub-negative pressure cavity 10b with negative pressure cavity 10 down, the first sub-negative pressure cavity 10a can link to each other with negative pressure line 3.
Further, as shown in Figure 1-Figure 3, upper minute chamber rib 5 is on a plurality of and a plurality of upper minute chamber ribs 5 are turned up the soil the roof 12 that is located at negative pressure cavity 10 along the left and right directions interval, under minute chamber rib 7 turn up the soil along the left and right directions interval for a plurality of and a plurality of lower minute chamber rib 7 and be located on the elasticity separator 6, chamber rib 7 was corresponding one by one with a plurality of upper minute chamber ribs 5 in a plurality of lower minute, and actuator 8 is that a plurality of and a plurality of actuators 8 link to each other with a plurality of lower minute chamber rib 7 respectively accordingly.In other words, an actuator 8 can link to each other with a lower minute chamber rib 7.Printed matter flattening device 100 according to the embodiment of the invention can flatten the bank note of how different denominations thus, thereby can further enlarge the range of use of printed matter flattening device 100.That is to say, can by the distance between the left side wall 14 of adjusting contacted upper minute chamber rib 5 and lower minute chamber rib 7 and negative pressure cavity 10, make printed matter flattening device 100 be suitable for flattening the bank note of different denominations.Advantageously, the distance between the left side wall 14 of contacted upper minute chamber rib 5 and lower minute chamber rib 7 and negative pressure cavity 10 can be slightly larger than the length of bank note.
Particularly, each lower minute chamber rib 7 can link to each other with a plurality of actuators 8.In other words, a plurality of actuators 8 can be distributed on the diapire 13 of negative pressure cavity 10 along the length direction of each corresponding lower minute chamber rib 7 direction of paper quadrature (namely with).Can make down thus minute chamber rib 7 on even keels mobile between described disengaging configuration and position, described minute chamber, get final product so that lower minute chamber rib 7 on even keels move up and down.
According to some embodiments of the present invention, as shown in Figure 1-Figure 3, printed matter flattening device 100 also comprises elastic component 9, and an end of elastic component 9 links to each other with the diapire 13 of negative pressure cavity 10 and the other end of elastic component 9 links to each other with lower minute chamber rib 7, wherein is in extended state at minute position, a chamber elastic component 9.Can guarantee down that thus a minute chamber rib 7 can be from described minute chamber position movement to described disengaging configuration.Preferably, elastic component 9 is spring.
Alternatively, elasticity separator 6 is elastic plate or elastic membrane.Actuator 8 is screw or bolt.Can be provided with along the vertical direction the mounting hole that (shown in the arrow B among Fig. 1-Fig. 3) connects the diapire 13 of negative pressure cavity 10 on the diapire 13 of negative pressure cavity 10, can be provided with screw thread on the wall of described mounting hole, screw or bolt can screw thread fit in described mounting hole so that screw or bolt can move up and down.
Below with reference to the working process of Fig. 1-Fig. 3 description according to the printed matter flattening device 100 of the embodiment of the invention, wherein take be placed on the printed matter flattening device 100 printed matter as bank note, actuator 8 as screw, elastic component 9 is for spring and be enclosed within on the actuator 8 and describe for example.
At first, bank note is placed on the upper surface 11 that flattens plate 1, follow the length of the negative pressure cavity 10 that is communicated with vacuum generator 2 according to the length adjustment that is placed on the bank note on the flattening plate 1, move up by turning the corresponding lower minute chamber rib 7 of screw 8 drivings this moment, in the process that minute chamber rib 7 moves up down, elasticity separator 6 is out of shape gradually and elastic component 9 is stretched, when a minute chamber rib 7 moves upward to minute position, chamber instantly, under divide chamber rib 7 to contact with upper minute chamber rib 5, elastic component 9 is in extended state, on divide chamber rib 5, elasticity separator 6 and lower minute chamber rib 7 are divided into the first sub-negative pressure cavity 10a and the second sub-negative pressure cavity 10b with negative pressure cavity 10.Wherein, the distance between the left side wall 14 of this lower minute chamber rib 7 and upper minute chamber rib 5 and negative pressure cavity 10 is suitable with the length that is placed on the bank note on the flattening plate 1.
Then, open valve 4 and vacuum generator 2, thereby vacuum generator 2 begins the first sub-negative pressure cavity 10a begun to bleed to be formed with negative-pressure air-flow, this negative-pressure air-flow flows into by the pore that flattens plate 1, then successively by the first sub-negative pressure cavity 10a, negative pressure line 3 is extracted out by vacuum generator 2, when negative-pressure air-flow flows, so that the air between the upper surface 11 of the lower surface of printed matter and flattening plate 1 is taken away by vacuum generator 2 by pore, when the lower surface of printed matter and after flattening air between the upper surface 11 of plate 1 and all being taken away, along with vacuum generator 2 continue bleed, can produce certain negative pressure between printed matter and the flattening plate 1, under atmospheric effect, printed matter can be fitted on the upper surface 11 that flattens plate 1, so that printed matter is in flat tightly.Can carry out image acquisition work to this printed matter subsequently.
After image acquisition work is finished, valve 4 and vacuum generator 2 can be closed, be full of air between the upper surface 11 of the lower surface of printed matter and flattening plate 1, can take bank note away this moment from flattening plate 1.
According to the printed matter flattening device 100 of the embodiment of the invention, can be in flat so that be placed on the printed matter that flattens on the plate 1, and reasonable in design, simple to operate, Installation and Debugging are convenient.
According to the printed matter image detecting apparatus of the embodiment of the invention, comprise printed matter flattening device 100 according to the above embodiment of the present invention.Particularly, the printed matter image detecting apparatus also can include the CCD camera and be placed on the image that flattens the printed matter on the plate 1 with collection.
According to the printed matter image detecting apparatus of the embodiment of the invention by printed matter flattening device 100 according to the above embodiment of the present invention is set, thereby can be in flat so that be placed on the printed matter that flattens on the plate 1, assurance can collect the stable HD image of printed matter.Therefore the printed matter image detecting apparatus according to the embodiment of the invention has the advantages such as the quality of detection is good.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or the example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiments of the invention, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment in the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (12)
1. a printed matter flattening device is characterized in that, comprising:
Flatten plate, have negative pressure cavity in the described flattening plate, the upper surface of described flattening plate is provided with the pore that is communicated with described negative pressure cavity;
Vacuum generator;
Negative pressure line, an end of described negative pressure line link to each other with described vacuum generator and the other end of described negative pressure line links to each other with described negative pressure cavity; With
Valve, described valve are located on the described negative pressure line and cut off described negative pressure line for connected sum.
2. printed matter flattening device according to claim 1 is characterized in that, the planeness of the upper surface of described flattening plate is not more than 0.2 millimeter.
3. printed matter flattening device according to claim 1 is characterized in that, described pore is a plurality of, and a plurality of described pores are arranged in multirow and multiple row.
4. printed matter flattening device according to claim 1 is characterized in that, described vacuum generator is in air extracting pump, vacuum pump and the vacuum generator.
5. printed matter flattening device according to claim 1 is characterized in that, described negative pressure line is for being wound with flexible pipe wiry.
6. printed matter flattening device according to claim 1 is characterized in that, described valve is electromagnetic valve.
7. each described printed matter flattening device is characterized in that according to claim 1-6, also comprises:
Upper minute chamber rib, described upper minute chamber rib are located on the roof of described negative pressure cavity and along the whole Width extension of described negative pressure cavity;
Elasticity separator, the left side of described elasticity separator link to each other with the diapire of described negative pressure cavity and the diapire of right side and described negative pressure cavity and right side wall in one link to each other, described elasticity separator extends along the whole Width of described negative pressure cavity;
Under divide the chamber rib, described lower minute chamber rib is located on the described elasticity separator and extends along the whole Width of described negative pressure cavity, the chamber rib was removable between disengaging configuration and minute position, chamber in described lower minute, spaced apart at described lower minute chamber rib of described disengaging configuration and described minute chamber rib, described lower minute chamber rib contacts with described minute chamber rib in position, described minute chamber; With
Actuator, described actuator links to each other with described lower minute chamber rib and described actuator is located on the diapire of described negative pressure cavity between described disengaging configuration and position, described minute chamber movably, and described actuator stretches out described negative pressure cavity.
8. printed matter flattening device according to claim 7, it is characterized in that, a described upper minute chamber rib is that a plurality of and a plurality of described minute chamber ribs of going up are turned up the soil along the left and right directions interval and are located on the roof of described negative pressure cavity, described lower minute chamber rib is that a plurality of and a plurality of described lower minute chamber rib turned up the soil along the left and right directions interval and be located on the described elasticity separator, the chamber rib was corresponding one by one with a plurality of described upper minute chamber ribs in a plurality of described lower minute, and described actuator is that a plurality of and a plurality of described actuators link to each other with a plurality of described lower minute chamber rib respectively accordingly.
9. printed matter flattening device according to claim 8, each described lower minute chamber rib links to each other with a plurality of described actuators.
10. printed matter flattening device according to claim 7, it is characterized in that, also comprise elastic component, an end of described elastic component links to each other with the diapire of described negative pressure cavity and the other end links to each other with described lower minute chamber rib, wherein is in extended state at the described elastic component in position, described minute chamber.
11. printed matter flattening device according to claim 7 is characterized in that, described elasticity separator is elastic plate or elastic membrane.
12. a printed matter image detecting apparatus is characterized in that, comprises according to claim 1 each described printed matter flattening device in-11.
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| CN201210473784.0A CN102992087B (en) | 2012-11-20 | 2012-11-20 | Printed matter flattening device and printed matter image detecting equipment comprising same |
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| CN201210473784.0A CN102992087B (en) | 2012-11-20 | 2012-11-20 | Printed matter flattening device and printed matter image detecting equipment comprising same |
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Citations (9)
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| JPH07291469A (en) * | 1994-04-25 | 1995-11-07 | Dainippon Screen Mfg Co Ltd | Plate transfer device |
| JPH08313455A (en) * | 1995-05-22 | 1996-11-29 | Kao Corp | Measuring method of crack and equipment for measurement |
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| CN102992087B (en) | 2015-06-24 |
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