CN105149657A - Drill bushing and drill jig with same - Google Patents
Drill bushing and drill jig with same Download PDFInfo
- Publication number
- CN105149657A CN105149657A CN201510626275.0A CN201510626275A CN105149657A CN 105149657 A CN105149657 A CN 105149657A CN 201510626275 A CN201510626275 A CN 201510626275A CN 105149657 A CN105149657 A CN 105149657A
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- CN
- China
- Prior art keywords
- drill
- drill bushing
- bushing
- hole
- shaped portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/02—Boring templates or bushings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
Abstract
The invention discloses a drill bushing and a drill jig with the same. The drill bushing and the drill jig with the drill bushing are used for machining large-angle small holes. The drill bushing comprises a drill bushing body made of hard alloy. A special-shaped portion is arranged at the first end of the drill bushing body, and a drill bit protrudes out of the drill bushing from the special-shaped portion; the end face of the special-shaped portion is an inclined face, and a machining hole is formed in the drill bushing body in the axial direction of the drill bushing body. The drill bushing is made of hard alloy and better in rigidity and abrasion resistance, can better protect the drilling jig and prolong the service life of the drill jig, and therefore machining cost is reduced. In addition, the special-shaped portion of the drill bushing can match the drill jig and the structure of a part to be machined, and a locating function is achieved; the drill bit can be guided through the machining hole in the drill bushing, and the vibration energy of the drill bit in the drilling process can be reduced; and therefore, machining stability is improved, and a machined hole is higher in precision and better in use performance.
Description
Technical field
The present invention relates to Machining Technology field, more particularly, relating to a kind of drill bushing for processing wide-angle aperture.In addition, the invention still further relates to a kind of drill jig with above-mentioned drill bushing.
Background technology
In the process of machine components, usually can need machining hole on part, during machining hole, often adopt bit bore, and drill bushing can be used for determining the position of machining hole on part, guide drill bit to process, improve the stability of boring procedure.But machine components add man-hour, portioned product can need machining small usually, and this aperture can will part be through with the hole of heavy stand and a certain hole.
At present, when processing wide-angle aperture, because the size in hole is less, therefore generally adopt drill bit directly to bore machining small, the drill bushing do not matched carrys out correcting processing.Cause existing aperture adding man-hour, drill bit is stable not, affects machining accuracy and the serviceability of aperture.In addition, the intensity due to part drill bit is better than the intensity of drill jig, and therefore when not having drill bushing, drill bit can constantly wear and tear drill jig, greatly reduces the service life of drill jig, increases processing cost.
In sum, how to provide a kind of drill bushing and there is the drill jig of this drill bushing, to improve the stability of boring, and then improve machining accuracy and the serviceability in hole, and the wear intensity reduced drill jig, cutting down finished cost, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of drill bushing, to improve the stability of boring, and then improve machining accuracy and the serviceability in hole, and reduce the wear intensity to drill jig, cut down finished cost.Another object of the present invention is to provide a kind of drill jig with above-mentioned drill bushing.
To achieve these goals, the invention provides following technical scheme:
A kind of drill bushing, for processing wide-angle aperture, comprise: the drill bushing body offering the carbide alloy of machining hole vertically, described machining hole is coaxial with described drill bushing body, the first end of described drill bushing body is provided with special-shaped portion, drill bit is come in and gone out from described special-shaped portion described drill bushing, and the end face in described special-shaped portion is inclined-plane.
Preferably, the side in described special-shaped portion is provided with yielding groove, interferes to avoid producing with described part to be processed.
Preferably, the periphery of described drill bushing body is provided with U-lag, for limiting the position of described drill bushing, the bottom surface of described U-lag is vertical with described inclined-plane.
Preferably, the bottom surface of described U-lag is provided with for anti-skidding R shape groove.
Preferably, the second end of described drill bushing body is provided with along the radially-arranged screw-driver slot of described drill bushing body.
Drill bushing provided by the invention; it is mainly applicable to the aperture processing wide-angle; and this drill bushing is set to carbide alloy drill bushing; more general steel drill bushing, its hardness is higher, and wearability is better; therefore better drill jig can be protected man-hour adding; avoid drill bit to the wearing and tearing of drill jig, improve the service life of drill jig, thus reduce processing cost.In addition, the special-shaped portion of this drill bushing mainly in order to coordinate the structure of drill jig and part to be processed, better to locate man-hour adding.Machining hole in drill bushing, can play good guide effect to drill bit, and reduces the vibration energy of drill bit in boring procedure, thus improves the stability of processing, makes the hole processed have higher precision and better serviceability.To sum up, drill bushing provided by the invention improves the stability of boring procedure, reduces the wear intensity of drill jig in process, and then improves machining accuracy and the serviceability in hole, and reduces processing cost.
Based on the above-mentioned drill bushing provided, the present invention also provides a kind of drill jig, and this drill jig has bushing plate and drill bushing, and described drill bushing is arranged on described bushing plate, and described drill bushing is the drill bushing described in above-mentioned any one;
Described bushing plate offers the installing hole for fixing described drill bushing, drill bit is processed described part to be processed by described machining hole of coming in and going out.
Preferably, described bushing plate is provided with the fixing hole vertical with described installing hole, U-lag is relative with described fixing hole, and fixture acts on U-lag by described fixing hole, and is fixed by described drill bushing.
Preferably, also comprise retainer, described retainer is arranged in described U-lag, and described fixture acts on described retainer and fixed by described drill bushing.
Preferably, also comprise the viewing hole be positioned on described bushing plate, for observing the fixing situation of described drill bushing.
Preferably, described bushing plate bottom surface is provided with the boss for coordinating with heavy stand hole on described part to be processed, and described boss offers the perforate that drill bit is passed through.
Because this drill jig has above-mentioned drill bushing, therefore, what this drill jig was direct or indirect have technique effect that above-mentioned drill bushing has.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structural representation of the drill bushing that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 be in Fig. 1 A-A to sectional view;
Fig. 3 is the enlarged drawing at I place in Fig. 1;
The structural representation of bushing plate in the drill jig that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 be in Fig. 4 B-B to sectional view;
The side view of bushing plate in the drill jig that Fig. 6 provides for the embodiment of the present invention;
The structural representation of the drill jig that Fig. 7 provides for the embodiment of the present invention;
Fig. 8 be in Fig. 7 C-C to sectional view;
Structural representation under the drill jig using state that Fig. 9 provides for the embodiment of the present invention.
In upper Fig. 1-9:
1 be drill bushing body, 11 being machining hole, 12 being screw-driver slot, 13 be U-lag, 14 be special-shaped portion, 15 be R shape groove, 16 being bushing plate for making a concession groove, 2,21 be installing hole, 22 be viewing hole, 23 be fixing hole, 24 be boss, 3 be retainer, 4 be fixture, 5 be angle block gauge, 6 be part to be processed, 61 for heavy stand hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1 to Fig. 3, the drill bushing that the embodiment of the present invention provides, for processing wide-angle aperture, comprise the drill bushing body 1 of carbide alloy, adopt the drill bushing body 1 of carbide alloy, can be good at the intensity improving drill bushing, thus effectively avoid the wearing and tearing of drill bit to drill jig.Preferably, the intensity of drill bushing body 1 is here greater than the intensity of drill bit, to extend the service life of drill bushing.The first end of drill bushing body 1 is provided with special-shaped portion 14, and drill bit is come in and gone out from special-shaped portion 14 drill bushing, and the end face in special-shaped portion 14 is inclined-plane, drill bushing body 1 offers the machining hole 11 axially arranged along drill bushing body 1.The setting in abnormity portion 14 mainly in order to coordinate with part 6 to be processed and bushing plate 2, thus plays certain positioning action in process, ensures the stability of processing.During boring, drill bit is positioned at machining hole 11, and drill bushing of coming in and going out from the one end in special-shaped portion 14, thus treats processing parts 6 and process.
Preferably, be provided with near the side of drill bushing body 1 second end in the inclined-plane in special-shaped portion 14 and make a concession groove 16, interfere to avoid producing with part 6 to be processed.Adding man-hour, special-shaped portion 14 can coordinate with the heavy stand hole 61 on part 6 to be processed thus play the effect of location, during cooperation, the periphery in abnormity portion 14 may interfere with part 6 to be processed, now, make a concession arranging of groove 16 and can effectively avoid interfering, ensure carrying out smoothly of processing.
In addition, can arrange U-lag 13 on the periphery of drill bushing body 1, for the position limiting drill bushing, the bottom surface of U-lag 13 is vertical with the inclined-plane in special-shaped portion 14.By this U-lag 13, drill bushing can be fixed, to improve the stability of processing.Concrete, the bottom surface of U-lag 13 also can be provided with for anti-skidding R shape groove 15, ensure the stability that drill bushing is fixing further.
As preferably, second end of drill bushing body 1 is provided with along the radially-arranged screw-driver slot 12 of drill bushing body 1, when installing or removing drill bushing, the setting of this screw-driver slot 12 farthest can facilitate operated by personnel, and in addition, this screw-driver slot 12 can regulate the mated condition of drill bushing and bushing plate 2, after both are installed, the inclined-plane in abnormity portion 14 is concordant with the surface of bushing plate 2 convex platform 24, makes its installation site reach process requirements, thus is convenient to position part and process; During dismounting, apply certain active force by this screw-driver slot 12, thus easily drill bushing is taken out.
The drill bushing that the embodiment of the present invention provides; it is mainly applicable to the aperture processing wide-angle; and this drill bushing is set to carbide alloy drill bushing; more general steel drill bushing, its hardness is higher, and wearability is better; therefore better drill jig can be protected man-hour adding; avoid drill bit to the wearing and tearing of drill jig, improve the service life of drill jig, thus reduce processing cost.In addition, the special-shaped portion 14 of this drill bushing mainly in order to coordinate the structure of drill jig and part to be processed 6, better to locate man-hour adding.Machining hole 11 in drill bushing, can play good guide effect to drill bit, and reduces the vibration energy of drill bit in boring procedure, thus improves the stability of processing, makes the hole processed have higher precision and better serviceability.To sum up, the drill bushing that the embodiment of the present invention provides improves the stability of boring procedure, reduces the wear intensity of drill jig in process, and then improves machining accuracy and the serviceability in hole, and reduces processing cost.
Refer to Fig. 4 to Fig. 9, based on the drill bushing that above-described embodiment provides, the embodiment of the present invention also provides a kind of drill jig, and this drill jig has bushing plate 2 and above-mentioned drill bushing, and drill bushing is fixedly installed on bushing plate 2.The surface of bushing plate 2 offers the installing hole 21 for making drill bit pass through, and drill bushing is arranged in the installing hole 21 on bushing plate 2, and one end of machining hole 11 is communicated with the entrance of installing hole 21, and namely the second end of drill bushing body 1 is communicated with the entrance of installing hole 21.Drill bit to be come in and gone out machining hole 11 from installing hole 21, thus part 6 to be processed of coming in and going out, and it is processed.
Because this drill jig has above-mentioned drill bushing; therefore; to a certain extent; drill bushing serves certain protective effect to bushing plate 2; to reduce in process drill bit to the wearing and tearing of bushing plate 2; improve the stability of boring procedure, and then improve machining accuracy and the serviceability in hole, and reduce processing cost.
Bushing plate 2 can be arranged two installing holes 21, can install two drill bushings simultaneously, two positions for the treatment of respectively on processing parts 6 process.After special-shaped portion 14 to coordinate with heavy stand hole 61 and locates, first can process a hole, then part 6 to be processed is rotated together with bushing plate 2, directly process another hole, do not need again to position both again.Save process time, improve working (machining) efficiency.
Further, above-mentioned bushing plate 2 is provided with the fixing hole 23 vertical with installing hole 21, and preferably the axis of this fixing hole 23 is parallel with the upper surface of bushing plate 2.U-lag 13 and fixing hole 23 are oppositely arranged, and fixture 4 acts on U-lag 13 by fixing hole 23, and is fixed by drill bushing.Preferably, also comprise retainer 3, this retainer 3 is arranged in U-lag 13, and directly acts on drill bushing, and fixture 4 acts on retainer 3 and fixed by drill bushing.Concrete, this fixture 4 is bolt or screw, and retainer 3 is stop copper plug.
On the basis of the above, as preferably, also viewing hole 22 can be set on bushing plate 2, this viewing hole 22 preferably can be arranged on the position near U-lag 13, concrete, the position that retainer 3 contacts with U-lag 13 can be arranged on, for observing the fixing situation of drill bushing, to guarantee that drill bushing is stablized fixing, thus ensure the stability of process.
In addition, also can the boss 24 being used for coordinating with heavy stand hole 61 on part 6 to be processed be set in the bottom surface of bushing plate 2, and this boss 24 offers the perforate that drill bit is passed through.Boss 24 can coordinate with heavy stand hole 61, thus positions bushing plate 2, and in actual use, boss 24 can work with special-shaped portion 14 1 and position.When special-shaped portion 14 size is less, is not enough to coordinate accurately to locate with heavy stand hole 61, can sets boss 24 on this basis, the size of certain boss 24 needs to set according to the size in special-shaped portion 14, produces interfere to avoid both.If bushing plate 2 is not stretched out in special-shaped portion 14, then can be positioned by boss 24 completely, guarantee the accuracy of processing.
Refer to Fig. 9, the structural representation under its drill jig using state provided for the embodiment of the present invention.Wherein, the effect of angle block gauge 5 mainly with bushing plate 2 acting in conjunction, make the machining hole 11 in drill bushing vertical, process so that drill bit treats processing parts 6.The angle Selection of angle block gauge 5, specifically can determine according to the angular dimension in hole to be processed in reality.Add man-hour, be placed on angle block gauge 5 by part 6 to be processed, drill jig is placed on part 6 to be processed, and special-shaped portion 14 or boss 24 coordinate to locate with heavy stand hole 61, just under the guide effect of machining hole 11, can complete boring procedure with drill bit afterwards.
Adopt the form of going forward one by one to be described in this description between each embodiment, what each embodiment stressed is all the differences with other embodiments, the similar portion between each embodiment mutually see.
To the above-mentioned explanation of the disclosed embodiments, those skilled in the art are realized or uses the present invention.To be apparent for a person skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a drill bushing, for processing wide-angle aperture, it is characterized in that, comprise: the drill bushing body (1) offering the carbide alloy of machining hole (11) vertically, described machining hole (11) is coaxial with described drill bushing body (1), the first end of described drill bushing body (1) is provided with special-shaped portion (14), drill bit to be come in and gone out described drill bushing from described special-shaped portion (14), and the end face of described special-shaped portion (14) is inclined-plane.
2. drill bushing according to claim 1, is characterized in that, the side of described special-shaped portion (14) is provided with makes a concession groove (16), interferes to avoid producing with part to be processed (6).
3. drill bushing according to claim 2, it is characterized in that, the periphery of described drill bushing body (1) is provided with U-lag (13), and for limiting the position of described drill bushing, the bottom surface of described U-lag (13) is vertical with described inclined-plane.
4. drill bushing according to claim 3, is characterized in that, the bottom surface of described U-lag (13) is provided with for anti-skidding R shape groove (15).
5. the drill bushing according to any one of Claims 1-4, is characterized in that, the second end of described drill bushing body (1) is provided with along the radially-arranged screw-driver slot of described drill bushing body (1) (12).
6. a drill jig, comprises bushing plate (2) and drill bushing, and described drill bushing is arranged on described bushing plate (2); It is characterized in that, described drill bushing is the drill bushing as described in any one of claim 1 to 5;
Described bushing plate (2) offers the installing hole (21) for fixing described drill bushing, drill bit is treated processing parts (6) by described machining hole (11) of coming in and going out and is processed.
7. drill jig according to claim 6, it is characterized in that, described bushing plate (2) is provided with the fixing hole (23) vertical with described installing hole (21), U-lag (13) is relative with described fixing hole (23), fixture (4) acts on described U-lag (13) by described fixing hole (23), and is fixed by described drill bushing.
8. drill jig according to claim 7, it is characterized in that, also comprise retainer (3), described retainer (3) is arranged in described U-lag (13), and described fixture (4) acts on described retainer (3) and fixed by described drill bushing.
9. drill jig according to claim 8, is characterized in that, also comprises the viewing hole (22) be positioned on described bushing plate (2), for observing the fixing situation of described drill bushing.
10. the drill jig according to any one of claim 6 to 9, it is characterized in that, described bushing plate (2) bottom surface is provided with the boss (24) for coordinating with the upper heavy stand hole (61) of described part to be processed (6), and described boss (24) offers the perforate that drill bit is passed through.
Priority Applications (1)
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CN201510626275.0A CN105149657B (en) | 2015-09-28 | 2015-09-28 | Drill bushing and the drill jig with the drill bushing |
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CN201510626275.0A CN105149657B (en) | 2015-09-28 | 2015-09-28 | Drill bushing and the drill jig with the drill bushing |
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CN105149657A true CN105149657A (en) | 2015-12-16 |
CN105149657B CN105149657B (en) | 2017-11-21 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109909526A (en) * | 2019-04-03 | 2019-06-21 | 南通银宝山新科技有限公司 | Drilling processing device and processing inclined method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110788428B (en) * | 2019-11-28 | 2021-07-20 | 中国航发贵州黎阳航空动力有限公司 | Device and method for machining inclined ventilation small holes in outer ring of casing |
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CN201755676U (en) * | 2010-08-20 | 2011-03-09 | 常州特尔玛机电实业有限公司 | Jig for processing valve body slant holes |
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CN104439412A (en) * | 2014-11-13 | 2015-03-25 | 中国航天科技集团公司烽火机械厂 | Drill jig for machining small inclined hole |
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US20080075546A1 (en) * | 2006-09-21 | 2008-03-27 | Tung-Chuan Lin | Inclined-hole drilling jig |
CN101176927A (en) * | 2007-11-30 | 2008-05-14 | 上海诺玛液压系统有限公司 | Inclined hole of electro-hydraulic servo valve core drill and clipper for countersunk head ascopore |
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