CN205415037U - A special fixture for drilling of arc work piece - Google Patents
A special fixture for drilling of arc work piece Download PDFInfo
- Publication number
- CN205415037U CN205415037U CN201620292177.8U CN201620292177U CN205415037U CN 205415037 U CN205415037 U CN 205415037U CN 201620292177 U CN201620292177 U CN 201620292177U CN 205415037 U CN205415037 U CN 205415037U
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- hole
- arc
- shaped workpiece
- special fixture
- locating piece
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Abstract
The utility model provides a special fixture for drilling of arc work piece, it relates to a boring grab. The utility model provides a wasting time and energy and problem that the position accuracy in hole is difficult to the assurance of existing during current radial hole with milling cutter and drill bit cooperation processing arc work piece. Including anchor clamps main part, a fender position screw, drill bushing, sprue and two housing screws, the anchor clamps main part includes bottom plate and support, the lower terminal surface of locating piece is the cambered surface, and vertical first through -hole and two internal thread holes of being provided with on the locating piece, two internal thread holes lie in the both sides of first through -hole respectively, and the up end of supporting shoe is the cambered surface, and the second through -hole has been offered from top to bottom to the supporting shoe, and first through -hole and second through -hole be just to setting up, two housing screws respectively with two internal thread hole threaded connection, the drill bushing lies in first through -hole, the sprue lies in between locating piece and the supporting shoe. The utility model discloses a special fixture for drilling of arc work piece is used for the drilling of arc work piece.
Description
Technical field
This utility model relates to a kind of boring grab.
Background technology
A kind of workpiece of the arcuate structure of band radial hole, when processing its radial hole, the arcuate structure of workpiece itself is not easy to clamping centering on drilling machine, workpiece cambered surface makes bit point of the drill and contact surface be point cantact, bit force vibrates, it is impossible to accurately feels relieved, causes hole dimension bigger than normal or elongated hole.In the past boring method was first to mill out plane with milling cutter on milling machine, then got out rational location hole with drill bit, cumbersome and time consuming, and borehole accuracy it is difficult to ensure that, do not reach technological requirement.Need design specialized fixture drilling radial hole, it is ensured that the positional precision of the radial hole of workpiece and concordance, improve production efficiency, meet the requirement of batch production.Patent fixture requires simple, convenient.
Utility model content
This utility model is to solve wasting time and energy and problem that the positional precision in hole is difficult to ensure that of existence when existing milling cutter coordinates the radial hole of processing arc-shaped workpiece with drill bit, and then provides a kind of special fixture holed for arc-shaped workpiece.
nullThis utility model be the technical scheme is that the special fixture for arc-shaped workpiece boring by the above-mentioned technical problem of solution，Including jig main body、Gear screw、Drill bushing、Sprue and two housing screws，Described jig main body includes base plate and support，The lower end of support is affixed with the upper surface of base plate，The top of support is connected with locating piece，The lower surface of described locating piece is cambered surface，The first through hole and two internal thread holes it are vertically arranged with on locating piece，Two internal thread holes lay respectively at the both sides of the first through hole，The bottom of support is connected with a bracer，The upper surface propping up bracer is cambered surface，The cambered surface diameter propping up bracer upper surface is identical with the intrados diameter of arc-shaped workpiece，Prop up bracer and from top to bottom offer the second through hole，First through hole and the second through hole are just to setting，Two housing screws are threadeded with two internal thread holes respectively，Drill bushing is positioned at the first through hole，Sprue is between locating piece and a bracer，Elongated hole is offered on sprue，Sprue and support are affixed by gear screw.
The beneficial effects of the utility model are:
The arc sizes propping up bracer upper surface is equivalently-sized with the intrados of arc-shaped workpiece, workpiece is played the role of positioning, utilize housing screw and sprue that arc-shaped workpiece carries out location clamping, drilling tool is played location and the effect guided by drill bushing, it is ensured that the positional precision of boring, and a whole set of clamp structure is simple, clamping is fast, process-cycle is short, and efficiency is high, meets the requirement of batch production.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is that the A-A of Fig. 1 is to sectional view；
Fig. 3 is the front view of jig main body in detailed description of the invention one；
Fig. 4 is that the B-B of Fig. 3 is to sectional view；
Fig. 5 is the half sectional view of drill bushing in detailed description of the invention one；
Fig. 6 is enlarged drawing at the I of Fig. 5；
Fig. 7 is the front view of sprue in detailed description of the invention one；
Fig. 8 is that the C-C of Fig. 7 is to sectional view；
Fig. 9 is the structure chart of gear screw in detailed description of the invention one；
Figure 10 is the front view of arc-shaped workpiece in detailed description of the invention one；
Figure 11 is that the D-D of Figure 10 that 2:1 ratio is drawn is to sectional view.
Detailed description of the invention
nullDetailed description of the invention one: as shown in Fig. 1～11，The special fixture for arc-shaped workpiece boring described in present embodiment，Including jig main body 1、Gear screw 2、Drill bushing 3、Sprue 4 and two housing screws 5，Described jig main body 1 includes base plate 10 and support 11，The lower end of support 11 is affixed with the upper surface of base plate 10，The top of support 11 is connected with locating piece 12，The lower surface of described locating piece 12 is cambered surface，The first through hole 12-1 and two internal thread hole 12-2 it is vertically arranged with on locating piece 12，Two internal thread hole 12-2 lay respectively at the both sides of the first through hole 12-1，The bottom of support 11 is connected with a bracer 13，The upper surface propping up bracer 13 is cambered surface，The cambered surface diameter propping up bracer 13 upper surface is identical with the intrados diameter of arc-shaped workpiece 100，Prop up bracer 13 and from top to bottom offer the second through hole 13-1，First through hole 12-1 and the second through hole 13-1 is just to setting，Support 11 is machined with third through-hole 11-1 along its width，Third through-hole 11-1 is between locating piece 12 and a bracer 13，Two housing screws 5 are threadeded with two internal thread hole 12-2 respectively，Drill bushing 3 is positioned at the first through hole 12-1，Sprue 4 is between locating piece 12 and a bracer 13，Elongated hole 4-1 is offered on sprue 4，Sprue 4 and support 11 are affixed by gear screw 2.
The axis of the radial direction through hole 100-1 in arc-shaped workpiece 100 after processing in jig main body 1 with the dead in line of the first through hole 12-1.
Described base plate 10 is rectangular structure.
The special fixture overall dimensions for arc-shaped workpiece 100 boring described in present embodiment is little, can be directly mounted on common desktop drilling machine.
Sprue 4 is positioned at one end of arc-shaped workpiece 100, and its position in jig main body 1 determines according to the length of arc-shaped workpiece 100.
Detailed description of the invention two: combine Fig. 1 and Fig. 3 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, the extrados diameter of arc-shaped workpiece 100 is less than the cambered surface diameter of locating piece 12 lower surface.It is so designed that, facilitates arc-shaped workpiece 100 to take out in clamp body.Other composition is identical with detailed description of the invention one with annexation.
Detailed description of the invention three: combining Fig. 1～4 explanation present embodiment, the special fixture for arc-shaped workpiece boring described in present embodiment, the lower surface of base plate 10 is machined with groove 10-1.It is so designed that, the weight of fixture itself can be alleviated and be easy to fixture fixing on drilling machine table top.Other composition is identical with detailed description of the invention one or two with annexation.
Detailed description of the invention four: combine Fig. 2 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, drill bushing 3 and the first through hole 12-1 interference fit.It is so designed that, is further ensured that the positional precision of boring.Other composition is identical with detailed description of the invention one or two with annexation.
Detailed description of the invention five: combine Fig. 2, Fig. 4 and Figure 11 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, the width of the width of locating piece 12 and a bracer 13 is respectively less than the width of arc-shaped workpiece 100.It is so designed that, facilitates arc-shaped workpiece 100 to take out from jig main body 1.Other composition is identical with detailed description of the invention one or two with annexation.
Detailed description of the invention six: combine Fig. 1 and Fig. 3 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, the diameter of the first through hole 12-1 diameter less than the second through hole 13-1.It is so designed that, facilitates chip removal, it is simple to the processing of clamp body, and good manufacturability.Other composition is identical with detailed description of the invention one with annexation.
Detailed description of the invention seven: combine Fig. 1, Fig. 2 and Fig. 5 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, drill bushing 3 is tool steel drill bushing.It is so designed that, utilizes high-wearing feature and the high rigidity of tool steel, improve the service life of drill bushing 3, facilitate maintenance and the processing of jig main body 1.Other composition is identical with detailed description of the invention one with annexation.
Detailed description of the invention eight: combine Fig. 1 and Fig. 3 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, described third through-hole 11-1 is elongated hole.It is so designed that, the sprue 4 displacement range between locating piece 12 and a bracer 13 can be made to increase, facilitate the location of arc-shaped workpiece 100 to adjust.Other composition is identical with detailed description of the invention one with annexation.
Detailed description of the invention nine: combine Fig. 1 and Fig. 3 and present embodiment is described, the special fixture for arc-shaped workpiece boring described in present embodiment, described third through-hole 11-1 is internal thread hole.It is so designed that, gear screw 2 can be made directly to threaded with third through-hole 11-1, it is not necessary to additionally adapted nut realizes the fixing of sprue 4.Other composition is identical with detailed description of the invention one with annexation.
Work process:
When boring, arc-shaped workpiece 100 is put between the locating piece 12 of jig main body 1 and a bracer 13, compress arc-shaped workpiece 100 extrados by housing screw 5, it is ensured that vertical direction accurate positioning.Horizontal range is adjusted, it is ensured that horizontal direction accurate positioning by sprue 4.The centrage of the axis of the first through hole 12-1, the axis of the second through hole 13-1 and jig main body 1 overlaps, it is ensured that arc-shaped workpiece 100 accurate positioning, is integrally attached on the workbench of drilling machine by fixture, and arc-shaped workpiece 100 is holed by drill bit by drill bushing 3.
Claims (9)
- null1. the special fixture for arc-shaped workpiece boring，It is characterized in that: include jig main body (1)、Gear screw (2)、Drill bushing (3)、Sprue (4) and two housing screws (5)，Described jig main body (1) includes base plate (10) and support (11)，The lower end of support (11) is affixed with the upper surface of base plate (10)，The top of support (11) is connected with locating piece (12)，The lower surface of described locating piece (12) is cambered surface，The first through hole (12-1) and two internal thread holes (12-2) it are vertically arranged with on locating piece (12)，Two internal thread holes (12-2) lay respectively at the both sides of the first through hole (12-1)，The bottom of support (11) is connected with a bracer (13)，The upper surface propping up bracer (13) is cambered surface，The cambered surface diameter propping up bracer (13) upper surface is identical with the intrados diameter of arc-shaped workpiece (100)，Prop up bracer (13) and from top to bottom offer the second through hole (13-1)，First through hole (12-1) and the second through hole (13-1) are just to setting，Support (11) is machined with third through-hole (11-1) along its width，Third through-hole (11-1) is positioned between locating piece (12) and a bracer (13)，Two housing screws (5) threaded with two internal thread holes (12-2) respectively，Drill bushing (3) is positioned at the first through hole (12-1)，Sprue (4) is positioned between locating piece (12) and a bracer (13)，Elongated hole (4-1) is offered on sprue (4)，Sprue (4) and support (11) are affixed by gear screw (2).
- Special fixture for arc-shaped workpiece boring the most according to claim 1, it is characterised in that: the extrados diameter of arc-shaped workpiece (100) is less than the cambered surface diameter of locating piece (12) lower surface.
- Special fixture for arc-shaped workpiece boring the most according to claim 1 and 2, it is characterised in that: the lower surface of base plate (10) is machined with groove (10-1).
- Special fixture for arc-shaped workpiece boring the most according to claim 1 and 2, it is characterised in that: drill bushing (3) and the first through hole (12-1) interference fit.
- Special fixture for arc-shaped workpiece boring the most according to claim 1 and 2, it is characterised in that: the width of the width of locating piece (12) and a bracer (13) is respectively less than the width of arc-shaped workpiece (100).
- Special fixture for arc-shaped workpiece boring the most according to claim 1, it is characterised in that: the diameter of the first through hole (12-1) is less than the diameter of the second through hole (13-1).
- Special fixture for arc-shaped workpiece boring the most according to claim 1, it is characterised in that: drill bushing (3) is tool steel drill bushing.
- Special fixture for arc-shaped workpiece boring the most according to claim 1, it is characterised in that: described third through-hole (11-1) is elongated hole.
- Special fixture for arc-shaped workpiece boring the most according to claim 1, it is characterised in that: described third through-hole (11-1) is internal thread hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292177.8U CN205415037U (en) | 2016-04-11 | 2016-04-11 | A special fixture for drilling of arc work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292177.8U CN205415037U (en) | 2016-04-11 | 2016-04-11 | A special fixture for drilling of arc work piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205415037U true CN205415037U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620292177.8U Active CN205415037U (en) | 2016-04-11 | 2016-04-11 | A special fixture for drilling of arc work piece |
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| CN (1) | CN205415037U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710674A (en) * | 2016-04-11 | 2016-06-29 | 哈尔滨建成集团有限公司 | Special clamp used for drilling of arc-shaped workpiece |
| CN110722375A (en) * | 2019-10-29 | 2020-01-24 | 湖北三江航天红阳机电有限公司 | Fixing device and method for processing n-shaped arc parts |
-
2016
- 2016-04-11 CN CN201620292177.8U patent/CN205415037U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105710674A (en) * | 2016-04-11 | 2016-06-29 | 哈尔滨建成集团有限公司 | Special clamp used for drilling of arc-shaped workpiece |
| CN110722375A (en) * | 2019-10-29 | 2020-01-24 | 湖北三江航天红阳机电有限公司 | Fixing device and method for processing n-shaped arc parts |
| CN110722375B (en) * | 2019-10-29 | 2021-07-20 | 湖北三江航天红阳机电有限公司 | Fixing device and method for processing n-shaped arc parts |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |