CN109759875B - Finish turning clamp for cold extrusion gear shaft - Google Patents
Finish turning clamp for cold extrusion gear shaft Download PDFInfo
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- CN109759875B CN109759875B CN201910146950.8A CN201910146950A CN109759875B CN 109759875 B CN109759875 B CN 109759875B CN 201910146950 A CN201910146950 A CN 201910146950A CN 109759875 B CN109759875 B CN 109759875B
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- connecting sleeve
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Abstract
The invention relates to a finish turning clamp for a cold extrusion gear shaft, which comprises a first base, wherein one end of the first base is connected with a connecting disc fixed on a workbench, the other end of the first base is connected with a second base, the second base is also connected with a third base of a frustum structure, a through hole is axially formed in the middle of the third base, a tooth-shaped elastic sleeve is arranged on the inner wall of the through hole, a first connecting sleeve is arranged on the outer side of the tail end of the tooth-shaped elastic sleeve, a bolt penetrating through the second base and connected with the third connecting sleeve is arranged on the first connecting sleeve, the third connecting sleeve is arranged on the inner wall of the first base, a second connecting sleeve is arranged outside the bolt, a protrusion extending into the through hole is formed in the middle of the second base, and the end part of the protrusion is matched with one end of a gear shaft to be corrected or one end of a correcting part. The fixture is convenient to adjust and quick to change, high-efficiency production is realized, the fixture core fixing precision is high, and the positioning is accurate; the correcting piece corrects the clamp after the clamp is installed, and meanwhile, the repeated positioning accuracy of the clamp can be verified.
Description
Technical Field
The invention relates to a clamp, in particular to a finish turning clamp for a cold extrusion gear shaft.
Background
The gear shaft is a precise transmission part with a special structure, the traditional manufacturing process comprises blank making, turning, gear making, spline hobbing, heat treatment and grinding, and the sequence of the working procedures comprises the steps of firstly forming a reference and then processing a tooth shape. The cold extrusion gear shaft firstly extrudes the gear shape and then processes the reference and other surfaces. The structural design of the gear shaft reference surface clamp is different from that of a conventional clamp. Currently, there are no fixtures for cold-extrusion of gear shaft datum faces and other surface treatments.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: overcomes the defects in the prior art and provides a finish turning clamp for a cold extrusion gear shaft.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a cold crowded tooth axle finish turning anchor clamps, including first base, the one end of first base is connected with the connection pad of fixing on the workstation, its other end is connected with the second base, the second base still is connected with the third base of frustum structure, the through-hole has been seted up along the axial in the middle part of the third base, be provided with the profile of tooth elastic sleeve on the through-hole inner wall, the terminal outside of profile of tooth elastic sleeve is equipped with first adapter sleeve, be provided with the bolt that runs through behind the second base and be connected with the third adapter sleeve on the first adapter sleeve, the third adapter sleeve sets up at first base inner wall, the bolt is equipped with the second adapter sleeve outward, second base middle part has the arch of stretching into in the through-hole, bellied tip with wait to correct tooth axle or correction piece one end cooperation.
Furthermore, the tooth-shaped elastic sleeve is of an internal tooth-shaped structure, and the tooth-shaped structure is T-shaped.
Furthermore, the first base is provided with a step hole, the cross section of the second base is in a cross shape, the middle part of the second base is provided with two bulges along two axial directions, one bulge extends into the step hole of the first base, and the other bulge extends into the through hole of the third base.
Furthermore, the length of the protrusion extending into the first base step hole is smaller than that of the protrusion extending into the third base through hole.
The invention has the beneficial effects that: the fixture is convenient to adjust and quick to change, high-efficiency production is realized, the fixture core fixing precision is high, and the positioning is accurate; the correcting piece corrects the clamp after the clamp is installed, and meanwhile, the repeated positioning accuracy of the clamp can be verified.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the present invention after installation of the correcting member.
In the figure: 1. the connecting structure comprises a first base, 2 connecting discs, 3 a second base, 4 a third base, 5 a tooth-shaped elastic sleeve, 6 a first connecting sleeve, 7 a third connecting sleeve, 8 a bolt and 9 a second connecting sleeve.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the finish turning fixture for the cold extrusion gear shaft of the embodiment includes a first base 1, one end of the first base 1 is connected with a connection pad 2 fixed on a workbench, the other end of the first base is connected with a second base 3, the second base 3 is further connected with a third base 4 of a frustum structure, a through hole is axially formed in the middle of the third base 4, a tooth-shaped elastic sleeve 5 is arranged on the inner wall of the through hole, a first connection sleeve 6 is arranged on the outer side of the tail end of the tooth-shaped elastic sleeve 5, a bolt 8 penetrating through the second base 3 and connected with the third connection sleeve 7 is arranged on the first connection sleeve 6, the third connection sleeve 7 is arranged on the inner wall of the first base 1, a second connection sleeve 9 is arranged outside the bolt 8, a protrusion extending into the through hole is formed in the middle of the second base 3, and the end of the protrusion is matched with one end of the gear shaft to be corrected or one end of a correcting element.
In the present embodiment, the toothed elastic sleeve 5 has an internal tooth structure, and the tooth structure is T-shaped.
In this embodiment, the first base 1 is provided with a step hole, the cross section of the second base 3 is cross-shaped, the middle part of the second base 3 is provided with two protrusions along two axial directions, one protrusion extends into the step hole of the first base 1, and the other protrusion extends into the through hole of the third base 4. The length of the bulge extending into the step hole of the first base 1 is less than that of the bulge extending into the through hole of the third base 4.
The tooth shaft to be corrected is placed into the tooth-shaped elastic sleeve 5 and is axially positioned on the second base 3, the first connecting sleeve 6, the second connecting sleeve 9, the third connecting sleeve 7, the bolt 8 and the tooth-shaped elastic sleeve 5 form a linkage part, and when the linkage part is driven by a machine tool tensioning oil cylinder to move leftwards, the tooth-shaped elastic sleeve 5 radially contracts inwards under the action of an inner cone of the third base 4 to be centered and clamps the tooth shaft to be corrected; when the tooth-shaped elastic sleeve 5 moves rightwards, the tooth shaft to be corrected is loosened; as shown in figure 2, the correcting part corrects the clamp after the clamp is installed, the repeated positioning precision of the clamp can be verified, the clamp can be quickly replaced conveniently after being adjusted, efficient production is achieved, and the clamp is high in core fixing precision and accurate in positioning.
The above-mentioned embodiments are merely illustrative of the technical idea and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (3)
1. The utility model provides a cold crowded tooth axle finish turning anchor clamps which characterized in that: comprises a first base (1), one end of the first base (1) is connected with a connecting disc (2) fixed on a workbench, the other end of the first base is connected with a second base (3), the second base (3) is also connected with a third base (4) of a frustum structure, a through hole is arranged in the middle of the third base (4) along the axial direction, a tooth-shaped elastic sleeve (5) is arranged on the inner wall of the through hole, the tooth-shaped elastic sleeve (5) is of an inner tooth-shaped structure, the tooth-shaped structure is T-shaped, a first connecting sleeve (6) is arranged on the outer side of the tail end of the tooth-shaped elastic sleeve (5), a bolt which penetrates through the second base (3) and is connected with the third connecting sleeve (7) is arranged on the first connecting sleeve (6), the third connecting sleeve (7) is arranged on the inner wall of the first base (1), a second connecting sleeve (9) is arranged outside the bolt (8), and a bulge extending into the through hole is arranged in the middle of the second base (3), the raised end part is matched with one end of a tooth shaft or a correcting part to be corrected, two bulges along two axial directions are arranged in the middle of the second base (3), one bulge extends into the step hole of the first base (1), and the other bulge extends into the through hole of the third base (4).
2. The cold-extrusion gear shaft finish turning clamp of claim 1, wherein: the first base (1) is provided with a step hole, and the cross section of the second base (3) is cross-shaped.
3. The cold-extrusion gear shaft finish turning clamp of claim 2, wherein: the length of the bulge extending into the step hole of the first base (1) is less than that of the bulge extending into the through hole of the third base (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146950.8A CN109759875B (en) | 2019-02-27 | 2019-02-27 | Finish turning clamp for cold extrusion gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146950.8A CN109759875B (en) | 2019-02-27 | 2019-02-27 | Finish turning clamp for cold extrusion gear shaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109759875A CN109759875A (en) | 2019-05-17 |
| CN109759875B true CN109759875B (en) | 2021-09-14 |
Family
ID=66456477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910146950.8A Active CN109759875B (en) | 2019-02-27 | 2019-02-27 | Finish turning clamp for cold extrusion gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109759875B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20314255U1 (en) * | 2003-09-13 | 2003-11-06 | Isad Electronic Sys Gmbh & Co | Rapid clamping chuck for spinning thin workpieces has a threaded fastener with two interacting tapering thrust sleeves to grip the inside of the mounting aperture of the workpiece |
| CN201940840U (en) * | 2011-01-27 | 2011-08-24 | 临汾华翔纬泰精工机械有限公司 | Elastic clamp |
| CN202021485U (en) * | 2011-04-29 | 2011-11-02 | 重庆美心米勒曲轴股份有限公司 | Fixture for processing eccentric shaft |
| CN202655937U (en) * | 2012-06-15 | 2013-01-09 | 鹰普（中国）有限公司 | Hydraulic elastic self-centering structure |
| CN203579229U (en) * | 2013-11-07 | 2014-05-07 | 浙江万邦汽车动力系统有限公司 | Inner hole positioning clamp |
| CN203817795U (en) * | 2014-04-11 | 2014-09-10 | 十堰方石汽车零部件有限公司 | Elastic chuck mechanism for lathe |
| CN104440189A (en) * | 2014-12-01 | 2015-03-25 | 常州市珠江工具有限公司 | Fixture for lathe |
| CN204262778U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Shaft forgings clamping device |
| CN209774103U (en) * | 2019-02-27 | 2019-12-13 | 常州金球轴承厂 | Finish turning clamp for cold extrusion gear shaft |
-
2019
- 2019-02-27 CN CN201910146950.8A patent/CN109759875B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20314255U1 (en) * | 2003-09-13 | 2003-11-06 | Isad Electronic Sys Gmbh & Co | Rapid clamping chuck for spinning thin workpieces has a threaded fastener with two interacting tapering thrust sleeves to grip the inside of the mounting aperture of the workpiece |
| CN201940840U (en) * | 2011-01-27 | 2011-08-24 | 临汾华翔纬泰精工机械有限公司 | Elastic clamp |
| CN202021485U (en) * | 2011-04-29 | 2011-11-02 | 重庆美心米勒曲轴股份有限公司 | Fixture for processing eccentric shaft |
| CN202655937U (en) * | 2012-06-15 | 2013-01-09 | 鹰普（中国）有限公司 | Hydraulic elastic self-centering structure |
| CN203579229U (en) * | 2013-11-07 | 2014-05-07 | 浙江万邦汽车动力系统有限公司 | Inner hole positioning clamp |
| CN203817795U (en) * | 2014-04-11 | 2014-09-10 | 十堰方石汽车零部件有限公司 | Elastic chuck mechanism for lathe |
| CN204262778U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Shaft forgings clamping device |
| CN104440189A (en) * | 2014-12-01 | 2015-03-25 | 常州市珠江工具有限公司 | Fixture for lathe |
| CN209774103U (en) * | 2019-02-27 | 2019-12-13 | 常州金球轴承厂 | Finish turning clamp for cold extrusion gear shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109759875A (en) | 2019-05-17 |
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