CN101818462A - The equipment and the method that are used for the stable width of cloth material that moves - Google Patents
The equipment and the method that are used for the stable width of cloth material that moves Download PDFInfo
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- CN101818462A CN101818462A CN201010123567A CN201010123567A CN101818462A CN 101818462 A CN101818462 A CN 101818462A CN 201010123567 A CN201010123567 A CN 201010123567A CN 201010123567 A CN201010123567 A CN 201010123567A CN 101818462 A CN101818462 A CN 101818462A
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- Prior art keywords
- width
- cloth material
- air
- stabilizer
- gap
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2301/00—Handling processes for sheets or webs
- B65H2301/50—Auxiliary process performed during handling process
- B65H2301/51—Modifying a characteristic of handled material
- B65H2301/512—Changing form of handled material
- B65H2301/5125—Restoring form
- B65H2301/51256—Removing waviness or curl, smoothing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/10—Means using fluid made only for exhausting gaseous medium
- B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
- B65H2406/112—Means using fluid made only for exhausting gaseous medium producing fluidised bed for handling material along preferably rectilinear path, e.g. nozzle bed for web
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/20—Avoiding or preventing undesirable effects
- B65H2601/25—Damages to handled material
- B65H2601/253—Damages to handled material to particular parts of material
- B65H2601/2531—Edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2601/00—Problem to be solved or advantage achieved
- B65H2601/20—Avoiding or preventing undesirable effects
- B65H2601/25—Damages to handled material
- B65H2601/254—Permanent deformation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/13—Parts concerned of the handled material
- B65H2701/131—Edges
- B65H2701/1315—Edges side edges, i.e. regarded in context of transport
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
- G03G2215/00535—Stable handling of copy medium
- G03G2215/00662—Decurling device
Abstract
A kind ofly be used to make air along cross-machine direction and be arranged essentially parallel to the equipment of the stabilizer Surface runoff adjacent with moving web, adjacent thin plate edge or the outside that is arranged on described stabilizer of described equipment with described stabilizer, the direction guiding that described equipment flows fluid to leave along flowing from described moving web side is to stablize the edge of described width of cloth material.
Description
The application requires the U.S. Provisional Patent Application sequence number No.61/155 that submitted on February 26th, 2009,583 priority, and it is incorporated herein by reference in full.
Technical field
The present invention relates to a kind of equipment and method that is used for the stable width of cloth material that moves.
Background technology
The width of cloth material of material (including, but are not limited to flimsy material, paper handkerchief, paper, cardboard, plastics and polymer) transports by having the span of width of cloth material stabilizer usually, and described width of cloth material stabilizer such as United States Patent (USP) 4,321 are shown in 107.Width of cloth material passes through the stabilizer span with relative high-speed mobile, and crosses stabilizer.
When width of cloth material crossed the flat surface of stabilizer, the side of width of cloth material tended to curl.Curling to increase is applied to width of cloth material, particularly the stress of width of cloth material edge.The curling non-homogeneous stretching that can cause across the width of cloth material of this width of cloth material width, and increase the risk that width of cloth material is torn.Because width of cloth material tension force, gravity, difference in material properties, external action, air-flow for example, and because the material on the width of cloth material end only links to each other with other width of cloth material materials in width of cloth material one side, so side is the most normal leaves from stabilizer is curling.Existence is to reducing the needs of the curling apparatus and method in width of cloth material lateral edges place.
Summary of the invention
Curl in order to minimize width of cloth material, the outside side with width of cloth material of thin plate fringe region that power is applied to stabilizer is drawn onto stabilizer.Be drawn onto stabilizer by the side with width of cloth material, the edge of width of cloth material keeps and other part conllinear that move through the width of cloth material of stabilizer.Because side is subjected to less stress and expansion, curling stress, the minimizing width of cloth material that helps the stabilizing panel material, reduces in the width of cloth material material that therefore minimizes side breaks, and can improve the performance of width of cloth material material.
The power that is applied to width of cloth edge edge can be by outside along the thin plate fringe region towards the surface of width of cloth material of stabilizer and flow from its air that leaves and to form.For example, compressed air or vacuum (being generically and collectively referred to as " pressurization " air) can be applied to thin plate fringe region place or near, between described width of cloth material and stabilizer, to produce suction, width of cloth edge edge is promoted towards stabilizer from suction air between stabilizer surface and the width of cloth edge edge.In order to form suction, can or aspirate air driven through gap adjacent with the thin plate edge and between thin plate fringe region outside and air flow action-oriented device.This gap is parallel to the side of described width of cloth material usually, and adjacent with described width of cloth material side.When air flow during through described gap, pressure drop is formed on width of cloth material side, with the thin plate fringe region suction of side towards stabilizer.
In order to produce the power that is applied to width of cloth material side, air above the thin plate fringe region flows preferred along being substantially perpendicular to width of cloth edge edge, be 65 to spend to flow and leave width of cloth material for example to the directions of 125 degree about width of cloth edge edge, and with the width of cloth material height of expectation planes overlapping for example.In addition or alternately, air flows and can comprise toward or away from stabilizer along other directions guiding.Air-flow should form low pressure between the thin plate fringe region of width of cloth material and stabilizer, so that low pressure spurs width of cloth material side towards the thin plate edge.
The present invention can be embodied as width of cloth material stabilizer, and described width of cloth material stabilizer comprises and the adjacent surface of width of cloth material of moving that wherein, described surface comprises the thin plate fringe region adjacent with each side of width of cloth material; Be installed to thin plate fringe region or near fluid flow arrangements, wherein, described fluid flow arrangements makes the adjacent edge with the thin plate fringe region of fluid flow from the width of cloth material side direction leave that flows, the side of width of cloth material is aimed at the thin plate fringe region.
In another embodiment, the present invention can be a width of cloth material stabilizer, comprising: with the adjacent surface of width of cloth material of moving, wherein, described surface comprises the thin plate fringe region adjacent with each side of described width of cloth material; The gap forms device, be installed to the thin plate fringe region or near; The gap, adjacent with the side of described width of cloth material, and be formed between described gap formation device and the surface; And source of pressurised fluid, be provided for drive fluid along the direction of leaving from described width of cloth material side through the gap.
The present invention can be embodied as the method for curling that is used for reducing the moving web side, comprising: width of cloth material is moved along the stabilizer surface; When width of cloth material is mobile along the stabilizer surface, air is flowed from width of cloth material side leave; By from the mobile power that forms of leaving of side width of cloth edge edge being moved towards the stabilizer surface by air.
Description of drawings
Fig. 1 be the width of cloth material stabilizer that shows with cutaway view and below stabilizer along the schematic diagram of the width of cloth material that moves perpendicular to accompanying drawing paper direction.
Fig. 2 is the schematic diagram of width of cloth material stabilizer that shows with cutaway view and the width of cloth material that moves below stabilizer, and wherein the side of width of cloth material curls, and air (showing with dotted arrow) leaves from the thin plate edge and through Clearance Flow.
Fig. 3 is the schematic diagram of width of cloth material stabilizer that shows with cutaway view and the width of cloth material that moves below described stabilizer, and wherein the side of width of cloth material is drawn onto the thin plate edge of stabilizer by the air in the gap of flowing through.
Fig. 4 A is the upward view of stabilizer, has shown width of cloth material and the air that flows and leave from width of cloth material side along a plurality of possibility directions.
Fig. 4 B is the schematic diagram that shows with cutaway view, has shown the width of cloth material stabilizer of a side and has been used to produce for example adjacent with width of cloth edge edge and from the flow equipment of the power that the air that leaves flows of width of cloth edge edge.
Fig. 5 is the schematic diagram of width of cloth material stabilizer that shows with cutaway view and the width of cloth material that moves below stabilizer, and its center dant or protuberance are formed in the stabilizer surface adjacent with width of cloth material side, to provide and to guide air to flow.
Fig. 6 A is the schematic diagram of width of cloth material stabilizer that shows with cutaway view and the width of cloth material that moves below stabilizer, and wherein air nozzle is arranged in the stabilizer, and is adjacent with width of cloth material side, and outside width of cloth material side.
Fig. 6 B is the schematic diagram of width of cloth material stabilizer that shows with cutaway view and the width of cloth material that moves below stabilizer, and wherein air nozzle is arranged in the stabilizer, and is adjacent with width of cloth material side, and in width of cloth material side.
Fig. 7 A is the schematic diagram of the width of cloth material stabilizer of the side that shows with cutaway view, and when air being shown flowing through the gap and the Coanda effect of stabilizer.
Fig. 7 B is the schematic diagram of the air in the width of cloth material stabilizer of the side that shows with cutaway view and the gap of flowing through, wherein air from the gap or near air source flow out.
Fig. 8 illustrates to be used near width of cloth material side forming the gap and air flowed and applies Unit Installation through the gap.
Fig. 9 is the air knife as air flow arrangement that shows with cutaway view, and it is adjacent with width of cloth material with stabilizer, and the part of stabilizer and width of cloth material wherein only is shown.
The specific embodiment
Fig. 1 and 2 for width of cloth material stabilizer 1 and below this stabilizer along the width of cloth material that moves perpendicular to the accompanying drawing page orientation or the schematic cross sectional views of thin slice 4 (being generically and collectively referred to as width of cloth material).The fluid that flows is preferably for example gas of air, along belt-like zone, and the thin plate fringe region 16 of stabilizer bottom surface 17 for example, and only 5 places, edge or outside introducing of moving web 4.The fluid that flows, for example air 9, produce to make width of cloth edge edge 5 stable and reduce or eliminate the power that edge 5 curls.Fig. 1 and 2 has shown the edge that curls of width of cloth material.Reducing curls will reduce sheet tears, and the speed-raising space of improving performance and improving width of cloth material machine, and described width of cloth material machine can be flimsy material, paper, cardboard or other width of cloth material processing machines.
Motionless width of cloth material stabilizer 1 can be the device of general rectangular shape, has straight basically bottom surface 17.Width of cloth material 4 is with for example high-speed mobile of 4000 to 7000 feet per minutes (1200 to 2100 meters per minutes).Width of cloth material moves the air adjacent with width of cloth material is flowed, and makes in the gap of air between width of cloth material and stabilizer mobile especially.Because moving air is compared with the air of width of cloth material opposite side, the gap is in lower static pressure.This pressure reduction that spreads all over width of cloth material opposite side aspirates width of cloth material towards the bottom surface 17 of stabilizer.The middle part of width of cloth material 4 can be adjacent with the bottom of stabilizer.The side 5 of width of cloth material may curl from the thin plate fringe region 16 of stabilizer bottom 17 and leave.Expectation is eliminated and is curled, and side 5 is driven in identical plane, the middle part of width of cloth material 4.
Fig. 3 illustrates the moving web 4 with side 5, and this side 5 is because the fluid that flows that flows and leave from side, for example air-flow 9 and launching.For curling of the side 5 of eliminating width of cloth material 4, with the fluid 9 that flows, for example air leaves from side 5 guiding, is applied to the power of side with generation.This power makes the side 5 of width of cloth material move towards thin plate fringe region 16, and this thin plate fringe region 16 is the belt-like zone of the flat bottom surface 17 of stabilizer, and the desired locations of the side 5 of itself and width of cloth material is adjacent.Since for example air-flow 9 from width of cloth edge edge 5 leave and along the thin plate edge 16 of stabilizer bottom or the fluid that is adjacent flow and produce described power.Term " air " is used in reference to mobile fluid, and it is preferably the atmospheric air of pressurization, but can be other gases and liquid, comprises that use vacuum or other devices apply the plus or minus of comparing with atmospheric pressure and press.
Air can flow through that air flows or air-deflector 3 and stabilizer bottom surface between gap 2, this air flows or air-deflector 3 for example is a hollow beam, it can have air nozzle, and is adjacent with the thin plate edge, and slightly exceeds the side of width of cloth material.Air flows or guider 3 can be connected to the bottom surface of stabilizer, so that air gap 2 is formed between the bottom surface 17 of described beam and stabilizer.
The fluid 9 that flows is left from the edge 5 of width of cloth material 4 along being preferably perpendicular to the direction guiding that width of cloth material moves.Fluid can flow along other directions 11, as shown in Figure 4A and 4B.Air-flow leaves from side 5 guiding of thin plate fringe region 16 and width of cloth material usually.Preferable methods is for along vertical or be substantially perpendicular to the direction pilot fluid of width of cloth material mobile route, and leaves from width of cloth material.Fluid mobile 9 produces low-pressure area between the thin plate fringe region 16 of width of cloth edge edge 5 and stabilizer.This low-pressure area inhales width of cloth edge edge 5 to thin plate.
Air flows and flowing of guider 3 and fluid 9 is blocked in air-flow outside the machine, in case enter the zone near the thin plate fringe region 16 of width of cloth material side 5 and stabilizer bottom 17.Like this, air flow arrangement 3 and air mobile 9 prevents the side 5 of outer gas stream disturbance width of cloth material 4.
Air flows and guider 3 can be one or more air knife, pipe, beam or the bars with internal air passageway and air nozzle of a row, and described air duct and air nozzle form by length drilling bore hole or the groove along device 3.Air flows and guider 3 is preferably mounted on the bottom surface of stabilizer 1 or near, particularly, be installed in thin plate fringe region 16 places or the outside of bottom surface 17.Perhaps, stabilizer 1 can be arranged on below the width of cloth material, and has the upper surface adjacent with width of cloth material, and wherein air flow arrangement is installed on the top of upper surface.The bottom surface 17 towards width of cloth material adjacent with width of cloth material of stabilizer can be straight, arch, contoured or have other shapes.
One or more air flow or guider 3 can make the side area 16 of air flow through stabilizer, and by side area 16 with install gap 2 between 3.Air flow to adopt the position that enough influence width of cloth edge edge 5 and direction and generation width of cloth edge edge to be moved the speed of the pressure that reduces that overlaps with for example same level at the middle part of width of cloth material 4.
One or more air flow or guider 3, and 3a can be installed near one or two thin plate fringe region 16 of stabilizer.One or more devices 3,3a can make air flow to start from width of cloth edge edge 5 places or outer, and air are flowed flow from width of cloth edge edge and leave, as Fig. 4 a and 4b, 5 and 6a as shown in.Described one or more device 3,3a also can be arranged between stabilizer and the width of cloth edge edge 5, as shown in Fig. 6 b.In Fig. 6 B, air flow arrangement comprises groove or the slit in the thin plate fringe region 16 of stabilizer, and its further groove or slit have the pore that is used for that air sprayed stabilizer or air is drawn into stabilizer.Air flow arrangement 3, the part or all of length of the extensible stabilizer 1 of 3a, and be fixed to stabilizer or movable about stabilizer.
The air that flows out from air flow arrangement 3 does not need directly to impact on the edge 5 of width of cloth material, as shown in Fig. 2 and 4.The edge can be driven to stabilizer on edge 5 though air directly impacts, the direct impact of air may produce stress, and stretched web.Air-flow is left and directly air do not impacted on the edge and can produce suction between the thin plate fringe region 16 of width of cloth edge edge 5 that curls and stabilizer from width of cloth edge edge guiding.This suction is drawn onto the stabilizer surface with width of cloth edge edge.As Fig. 3,4a, 4b, 5,6a, 6b, shown in 7a and the 7b, air can directly lead and air directly do not impacted on the edge 5 through gap 2.
Air (seeing arrow 9) can be drawn along the inner surface 6 (Fig. 1) towards width of cloth edge edge 5 of air flow arrangement 3.When the inner surface 6 of this device is drawn, Coanda effect causes air 9 to flow along the upper surface 7 of air flow arrangement 3, and this surface is towards the gap 2, as shown in Fig. 7 a, or arrives the surface 16 of stabilizer, as shown in Figure 9.
Fig. 5 has shown stabilizer 1, has one or more recessed (or outstanding) belt-like zone 13 (or slit, gap or groove) in the thin plate fringe region 16 of the bottom surface 17 of this stabilizer.Recessed belt-like zone 13 is provided for making the mobile passage that leaves from width of cloth edge edge 5 of air.Air 9 forms low-pressure area along being flowing between width of cloth edge edge 5 and the thin plate fringe region 16 of belt-like zone 13 of stabilizer 1, so that width of cloth edge edge 5 moves towards the thin plate marginal zone of stabilizer 1.Surface 13 can parallel with the bottom surface of stabilizer, recessed bottom surface or slightly outstanding from the bottom surface.
Fig. 6 A and 6B have shown stabilizer 1, wherein air flow arrangement 3 for air-flow 12 along stabilizer bottom surface guiding and a steam vent, nozzle, tracheae, air drain or the air duct (being generically and collectively referred to as air guide device 14) that leave from width of cloth edge edge 5 guiding.This emptying gas guider 14 can be arranged continuously, or with equidistant or irregular spacing, preferably arrange along the thin plate fringe region 16 of stabilizer bottom surface 17 with short spacing.Air guide device 14 can only be ejected into air the thin plate fringe region 16 from the outside (as shown in Fig. 6 A) of width of cloth edge edge 5 or the inside (as shown in Fig. 6 B) of width of cloth edge edge 5.Air guide device 14 can the conduit by stabilizer inside be admitted forced air (among Fig. 8 27), maybe can be connected to the getter device of air suction through guider.Air guide device 14 can embed in the guider 1, or embeds in the air flow arrangement 3, to be provided for reality or the effective gap 2 that air flows.The air in gap 2 of flowing through flows and 9 to make width of cloth edge edge 5 move 8 towards stabilizer 1, and eliminates thus or reduce curling in the width of cloth edge edge 5.
Fig. 8 is the air flow arrangement that has shown with the thin plate fringe region 16 adjacent settings on stabilizer base plane surface 17, the schematic diagram of the position of air knife 19.Air flow arrangement 3 for example is used for the conduit of air, and the gap between the width of cloth edge edge 5 10 is preferred in 0 to 4 inch scope, but can be 2 inches.Gap 2 is formed between air flow arrangement 3 and the thin plate fringe region.The gap is vertically preferably less than 1 inch (for example 25 millimeters), and can be less than 1/4 inch (for example 6 millimeters).
Fig. 9 has shown air knife 19 as air flow arrangement 3 with cutaway view, and the thin plate fringe region 16 of itself and stabilizer 1 is adjacent with width of cloth material 4.Air 23, forced air for example, the air drain 22 from air knife is discharged.Air drain 22 is arranged in the common on the inner surface 6 of width of cloth material 4 of air knife.Air drain 22 can be positioned near the turning 24 on the air knife, at the inner surface 6 of air knife with towards between the surface 25 in gap 2.
Forced air 23 from groove 22 to discharge than near the moving air faster speed thin plate fringe region and the width of cloth edge edge 5.The conduit 28 of air from air knife of being discharged by air knife flows out, and its pressurized air source by the air knife outside provides.Air flows to the groove 22 that main body 19 and plate 30 by air knife form from pipeline 28.
When air 23 when groove 22 is discharged, air flows along the surface 6,24 and 25 of air knife, and the gap 2 of flowing through.Because Coanda effect, air flow surfacewise, in the Coanda effect, fluid stream tends to be attached to curved surface, and for example the turning 24.
High-speed air 23 gap 2 of flowing through forms depressor area in gap 2, this depressor area sucks air near width of cloth edge edge 5 and thin plate fringe region 16.The suction of air 26 also is applied to power 31 width of cloth edge edge 5, is used to make the edge to launch, and keeps width of cloth edge edge 5 in the plane identical with all the other width of cloth materials.
The exemplary illustration that is used for the Reference numeral of accompanying drawing:
1 width of cloth material stabilizer
2 gaps (this gap is greater than zero, and up to 4 inches, preferred embodiment is 0.001 inch to 1 inch)
3 air flow or guider 3, form gap 2 with stabilizer 1, and this device 3 for example can be:
Air knife or have the hollow channel that is used for by one or more holes of air
Can be used for forming the independent parts in gap, for example solid hopkinson bar or plate 3a.Compressed air or vacuum source can be used for making air flow gap 2, and identical or air flow arrangement 3 is used to form the gap.
The gap that is formed by this device can be arranged in the gap and form air flow arrangement 3 (make have slit, the bar or the plate in a series of holes etc.), therefore install 3 and contact with stabilizer 1, but gap 2 exists with the integral part of air flow arrangement 3.
The 3a gap forms device (being also referred to as air-deflector)
4 width of cloth materials
5 width of cloth material sides (being also referred to as width of cloth material end)
6 air flow or cause the inner surface towards width of cloth edge edge of device
7 air flow or the surface towards stabilizer of guider
The expansion direction of 8 width of cloth edge edge
9 air or fluid flow direction
10 width of cloth edge edge and air flow or guider between the gap along air-flow direction
11 air-flow direction scopes
Recessed or the outburst area of 12 stabilizers
13 be used for the stabilizer of air flow arrangement or near steam vent (Fig. 6 a, 6b)
14 air guide devices
15 Condar air-flows
The thin plate fringe region at place, 16 stabilizer bottom surfaces
The bottom surface of 17 stabilizers
18 compressed air outlets and nozzle
19 air knives
20 vacuum sources
21 controllers
Be used to discharge the groove of air in 22 air knives
23 air by the air knife discharge
Turning on 24 air knives
On 25 air knives towards the surface of stabilizer
27 pressurized air sources
Air conduit in 28 air knives
30 air knife plates
31 are applied to the power of width of cloth edge edge
Equipment disclosed herein and method are inhaled power to the stabilizer surface by making fluid flow to leave to produce from width of cloth edge edge 5 with this edge, can be used for launching width of cloth edge edge 5 or prevent to curl.This equipment can be to be attached to air flow arrangement 3 (seeing Fig. 6 a and 6b) in the stabilizer or adjacent with stabilizer and intermarginal every the air flow arrangement 3 that preferably is not less than 4 inches horizontal range with width of cloth edge.This air flow arrangement 3 can be from the pressurized air source injection air, and pressurized air source for example is compressor or blower fan, or the subatmospheric air source, as vacuum source.This air flows or guider 3 can comprise first device, bar for example, and it forms the gap 2 that inhaled air is flowed through; With second device, provide air source, for example vacuum or compressed air.These devices can be independent, Fig. 3 for example, and shown in 7A and the 7B, or one, as Fig. 4 B, shown in 6A and the 6B.Air can be at the height place (Fig. 5 and 6B) in the height place between width of cloth material and the stabilizer (Fig. 6 A), the recessed stabilizer, the height place (Fig. 6 A) identical with width of cloth material or width of cloth material and the following height place of stabilizer (Fig. 3,4B, 7A and 7B) apply.
And, can introduce above the horizontal size at edge 5 from the air of air flow arrangement, for example in 0 to 4 inch scope of distance width of cloth material.According to Coanda effect, air can be introduced and make the surface of air-flow 15 along stabilizer or air flow arrangement 3.Air flows along the direction that is arranged essentially parallel to the stabilizer surface from width of cloth edge edge 5 and leaves.This equipment can use Coanda effect that air is flowed through gap 2 from width of cloth material and leave.
In addition, controller 21 (Fig. 4 B), for example computer or manual controller can have adjusting from the air speed in the air pressure or the vacuum level of air flow arrangement 3, the gap 2 of flowing through and the ability of the horizontal range between gap width distance and gap and the width of cloth edge edge.For example, air pressure, vacuum, can be according to following factor manual adjustments through the air flow rate in gap and gap size: in width of cloth material, observe or by the sensor that curls, for example light beam and light sensors are to too much curling; Width of cloth material speed, width of cloth material tension force or width of cloth material wrinkle; With in the gap or the pressure sensor in the thin plate fringe region 16 of stabilizer.
Though the present invention is described about being considered to the most practical and preferred embodiment at present, but should understand, the invention is not restricted to the disclosed embodiments, but opposite, be intended to cover multiple modification and equivalent arrangements included in the spirit and scope of the appended claims.
Claims (20)
1. width of cloth material stabilizer comprises:
The surface adjacent with moving web, wherein, described surface comprise the thin plate fringe region adjacent with each side of described width of cloth material and
Fluid flows or guider, be installed to the thin plate fringe region or near, wherein, described fluid flow arrangements makes the adjacent edge with described slice region of fluid mobile from the described width of cloth material side departure direction that flows, described width of cloth material side is aimed at described thin plate fringe region.
2. width of cloth material stabilizer according to claim 1 is characterized in that: described fluid flow or guider and flat surface between be provided with a gap, and fluid flows through described gap.
3. width of cloth material stabilizer according to claim 1, it is characterized in that: described fluid flows or guider has the passage of the plus or minus forced air that is used for compressed air for example or vacuum, and described flow device has at least one hole that fluid is flowed along described thin plate fringe region being used to of arranging.
4. width of cloth material stabilizer according to claim 3 is characterized in that: described hole is at least one in outlet, hole, slit and the nozzle.
5. width of cloth material stabilizer according to claim 1 is characterized in that: described fluid flow or guider along at least one layout of described thin plate fringe region.
6. one kind is used for reducing the method that the moving web side curls, and comprising:
Described width of cloth material is moved along the stabilizer surface;
Make air described width of cloth material during along described stabilizer surperficial mobile from described width of cloth material side flow leave and
By the edge of described width of cloth material is moved towards described stabilizer surface owing to air.
7. method according to claim 6 is characterized in that: described air flows and to comprise the gap that air is flow through be in substantially parallel relationship to described width of cloth material side.
8. method according to claim 7 is characterized in that: according to Coanda effect, mobile along the surface or the exhaust apparatus of described stabilizer through the air in described gap.
9. method according to claim 6 is characterized in that: owing to the pressure reduction that is produced across described gap by compressed air or vacuum source, air flow is through described gap.
10. method according to claim 6 is characterized in that: air is aspirated through the gap by vacuum source.
11. method according to claim 7 is characterized in that: described gap has the width in 0.001 inch to 4 inches scope.
12. method according to claim 7 is characterized in that: described gap is in 12 inches of the along continuous straight runs of described width of cloth edge edge.
13. method according to claim 6 is characterized in that: described air source comprises at least one of air outlet slit, hole, slit or nozzle.
14. method according to claim 7 is characterized in that: described gap is continuous along the length of described stabilizer.
15. method according to claim 7 is characterized in that: described gap comprises a series of openings along the length of described stabilizer.
16. method according to claim 6 is characterized in that: also comprise according in the composition of quantity of curling in width of cloth material speed, the width of cloth material side and width of cloth material at least one and regulate the speed or the direction of moving air.
17. a width of cloth material stabilizer comprises:
The surface adjacent with moving web, wherein, described surface comprises the thin plate fringe region adjacent with each side of described width of cloth material;
The gap forms device, be installed to described thin plate fringe region or near;
The gap, adjacent with the side of described width of cloth material, and be formed on that described gap forms between device and the surface and
Source of pressurised fluid is provided for fluid is driven through described gap along the direction that the side from described width of cloth material leaves.
18. the width of cloth material stabilizer according to described in the claim 17 is characterized in that: the vacuum source of described source of pressurised fluid for air is extracted out from described gap.
19. the width of cloth material stabilizer according to described in the claim 17 is characterized in that: described gap forms the bar of device for extending along described width of cloth material side.
20. the width of cloth material stabilizer according to described in the claim 17 is characterized in that: described gap vertically is not more than 1 inch.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US15558309P | 2009-02-26 | 2009-02-26 | |
| US61/155,583 | 2009-02-26 | ||
| US12/695,620 US20100213305A1 (en) | 2009-02-26 | 2010-01-28 | Apparatus and method for stabilizing a moving web |
| US12/695,620 | 2010-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101818462A true CN101818462A (en) | 2010-09-01 |
Family
ID=42153865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010123567A Pending CN101818462A (en) | 2009-02-26 | 2010-02-26 | The equipment and the method that are used for the stable width of cloth material that moves |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20100213305A1 (en) |
| EP (1) | EP2223877A3 (en) |
| JP (1) | JP2010247989A (en) |
| CN (1) | CN101818462A (en) |
| CA (1) | CA2693213A1 (en) |
Cited By (3)
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|---|---|---|---|---|
| CN103338936A (en) * | 2010-12-01 | 2013-10-02 | 四屏图像公司 | In line color monitoring system |
| CN107108143A (en) * | 2015-07-01 | 2017-08-29 | T·卡塔洛 | For the device for allowing narrow annular material to pass through standard fabric compacting machine to be processed |
| CN108622708A (en) * | 2017-03-23 | 2018-10-09 | 株式会社岛精机制作所 | Delivering mechanism and use its tentering machine |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI475494B (en) * | 2012-08-13 | 2015-03-01 | Univ Nat Cheng Kung | Method of read multiple two dimensional barcodes |
| CN106629193B (en) * | 2016-11-18 | 2018-01-23 | 无锡祁龙胶粘制品有限公司 | A kind of diaphragm winding flattening device |
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| CN103338936B (en) * | 2010-12-01 | 2016-02-24 | 四屏图像公司 | Arranged type color monitoring system |
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| CN108622708A (en) * | 2017-03-23 | 2018-10-09 | 株式会社岛精机制作所 | Delivering mechanism and use its tentering machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2693213A1 (en) | 2010-08-26 |
| JP2010247989A (en) | 2010-11-04 |
| EP2223877A2 (en) | 2010-09-01 |
| EP2223877A3 (en) | 2011-01-05 |
| US20100213305A1 (en) | 2010-08-26 |
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Application publication date: 20100901 |