CN204123153U - Hand fixture is used in a kind of cam finish-milling processing - Google Patents
Hand fixture is used in a kind of cam finish-milling processing Download PDFInfo
- Publication number
- CN204123153U CN204123153U CN201420520912.7U CN201420520912U CN204123153U CN 204123153 U CN204123153 U CN 204123153U CN 201420520912 U CN201420520912 U CN 201420520912U CN 204123153 U CN204123153 U CN 204123153U
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- cam
- holder
- ringfeder
- nut
- pin
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Abstract
The utility model relates to a kind of fixture, discloses a kind of cam finish-milling processing hand fixture.This fixture is applicable to the cam that center is provided with installing hole, and hand fixture comprises soleplate, and soleplate is fixed with screw rod, and screw rod is provided with holder, the first nut, pressing plate, the second nut from top to bottom successively; Holder is fixed on soleplate, the center of holder is provided with through hole, screw rod runs through through hole, holder is fixed with location-plate, the upper end of holder is set to the taper that top is less than bottom, the upper end of holder is provided with the ringfeder coordinated with its tapered end, compresses ringfeder above ringfeder by the first nut; Cam is sleeved on outside ringfeder by installing hole, and is positioned at above location-plate, and location-plate is provided with the pin that rises, and cam is provided with the angle hole coordinated with the pin that rises, is provided with the pin screw that rises in the pin that rises; Cam is compressed by pressing plate above cam.
Description
Technical field
The utility model relates to a kind of fixture, particularly a kind of cam finish-milling processing hand fixture.
Background technology
At present, in positive type cam opening device, hyp conjugate cam drives heald frame to produce motion, and the movement locus of heald frame determines fault rate and the efficiency of positive type cam opening device, the movement locus of heald frame depends on shape and the machining accuracy of cam, and the shape of cam and machining accuracy affect fault rate and the efficiency of positive type cam opening device; And the cam of positive type cam opening device is hyp conjugate cam, its difficulty of processing is large, so high to the positioning requirements of fixture.
Utility model content
The purpose of this utility model is to provide a kind of cam finish-milling processing hand fixture, and this fixture can be good at meeting positioning requirements.
For reaching above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
Hand fixture is used in a kind of cam finish-milling processing, the center of described cam is provided with installing hole, it is characterized in that, described hand fixture comprises soleplate, described soleplate is fixed with screw rod, described screw rod is provided with holder, the first nut, pressing plate, the second nut from top to bottom successively;
Described holder is fixed on soleplate, the center of described holder is provided with through hole, described screw rod runs through described through hole, described holder is fixed with location-plate, the upper end of described holder is set to the taper that top is less than bottom, the upper end of described holder is provided with the ringfeder coordinated with its tapered end, compresses ringfeder above described ringfeder by the first nut; Described cam is sleeved on outside ringfeder by installing hole, and is positioned at above location-plate, and described location-plate is provided with the pin that rises, and described cam is provided with the angle hole coordinated with the described pin that rises, described in rise in pin and be provided with the pin screw that rises; Cam is compressed by pressing plate above described cam.
Feature and further improvement of the technical program are:
The upper end face of described cam is lower than the upper end face of described first nut, and the periphery of described pressing plate is provided with downward flanging, and the bottom surface of described flanging is against the upper end face of cam.
Described pressing plate is provided with radial opening.
Cam finish-milling processing hand fixture of the present utility model, adopts the taper ringfeder of rise pin and the setting of holder top that cam is carried out radial location, adopts the first nut to control pressing plate and compress cam, realize the axial location to cam; This fixture can be good at meeting processing request.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of cam finish-milling processing hand fixture of the present utility model;
Fig. 2 is the schematic top plan view of Fig. 1;
In figure: 1, soleplate; 2, screw rod; 3, holder; 4, location-plate; 5, ringfeder; 6, the first nut; 7, cam; 8, pressing plate; 9, the second nut; 10, rise pin; 11, rise pin screw.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, the structural representation of a kind of cam finish-milling processing hand fixture of the present utility model; This fixture is applicable to the cam that center is provided with installing hole, and this hand fixture comprises soleplate 1, soleplate 1 is fixed with screw rod 2, screw rod 2 is provided with from top to bottom successively holder 3, first nut 6, pressing plate 8, second nut 9.
Holder 3 is fixed on soleplate 1, the center of holder 3 is provided with through hole, screw rod 2 runs through through hole, holder 3 is fixed with location-plate 4, the upper end of holder 3 is set to the taper that top is less than bottom, the upper end of holder 3 is provided with the ringfeder 5 coordinated with its tapered end, and ringfeder 5 compresses ringfeder 5 by the first nut 6 above; Cam 7 is sleeved on outside ringfeder 5 by installing hole, and is positioned at above location-plate 4, and location-plate 4 is provided with the pin 10 that rises, and cam 7 is provided with the angle hole coordinated with the pin that rises, and is provided with the pin screw 11 that rises in the pin 10 that rises; Cam 7 is compressed by pressing plate 8 above cam 7.
Wherein, the upper end face of cam 7 is lower than the upper end face of the first nut 6, and the periphery of pressing plate 8 is provided with downward flanging, and the bottom surface of flanging is against the upper end face of cam 7.
Wherein, pressing plate 8 is provided with radial opening, the second nut 9 need not be disassembled and just pressing plate 8 can be installed on screw rod 2.
When using this fixture, cam 7 cover is installed to outside ringfeder 5, and in the angle hole stretched on cam 7 of the pin 10 that makes to rise, tighten the pin screw 11 that rises, meanwhile, turn the first nut 6 downwards, first nut 6 compresses ringfeder 5 downwards, makes ringfeder 5 and the installing hole tensioner on cam 7, completes the radial location of cam 7; Again pressing plate 8 is installed on screw rod 2, turns the second nut 9 downwards, make pressing plate 8 compress cam 7., complete the axial location of cam 7.After completing processing, turn the second nut 9, unload lower platen 8, then turn rise pin screw 11 and the first nut 6, pull down cam 7.
This fixture can be good at meeting locating and machining requirement.
Although be below described embodiment of the present utility model by reference to the accompanying drawings, but the utility model is not limited to above-mentioned specific embodiments and applications field, above-mentioned specific embodiments is only schematic, guiding, instead of restrictive.Those of ordinary skill in the art is under the enlightenment of description, and when not departing from the scope that the utility model claim is protected, can also make a variety of forms, these all belong to the row of the utility model protection.
Claims (3)
1. hand fixture is used in a cam finish-milling processing, the center of described cam is provided with installing hole, it is characterized in that, described hand fixture comprises soleplate, described soleplate is fixed with screw rod, described screw rod is provided with holder, the first nut, pressing plate, the second nut from top to bottom successively;
Described holder is fixed on soleplate, the center of described holder is provided with through hole, described screw rod runs through described through hole, described holder is fixed with location-plate, the upper end of described holder is set to the taper that top is less than bottom, the upper end of described holder is provided with the ringfeder coordinated with its tapered end, compresses ringfeder above described ringfeder by the first nut; Described cam is sleeved on outside ringfeder by installing hole, and is positioned at above location-plate, and described location-plate is provided with the pin that rises, and described cam is provided with the angle hole coordinated with the described pin that rises, described in rise in pin and be provided with the pin screw that rises; Cam is compressed by pressing plate above described cam.
2. a kind of cam finish-milling processing hand fixture according to claim 1, it is characterized in that, the upper end face of described cam is lower than the upper end face of described first nut, and the periphery of described pressing plate is provided with downward flanging, and the bottom surface of described flanging is against the upper end face of cam.
3. a kind of cam finish-milling processing hand fixture according to claim 1, it is characterized in that, described pressing plate is provided with radial opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520912.7U CN204123153U (en) | 2014-09-11 | 2014-09-11 | Hand fixture is used in a kind of cam finish-milling processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420520912.7U CN204123153U (en) | 2014-09-11 | 2014-09-11 | Hand fixture is used in a kind of cam finish-milling processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204123153U true CN204123153U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420520912.7U Active CN204123153U (en) | 2014-09-11 | 2014-09-11 | Hand fixture is used in a kind of cam finish-milling processing |
Country Status (1)
| Country | Link |
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| CN (1) | CN204123153U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855962A (en) * | 2017-12-10 | 2018-03-30 | 无锡特恒科技有限公司 | Rollback formula jacks flexibly positioned pin assemblies |
-
2014
- 2014-09-11 CN CN201420520912.7U patent/CN204123153U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107855962A (en) * | 2017-12-10 | 2018-03-30 | 无锡特恒科技有限公司 | Rollback formula jacks flexibly positioned pin assemblies |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |