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Shaft hobbing clamp

A gear hobbing fixture and shaft technology, applied in the field of machining fixtures, can solve problems such as easy deformation, and achieve the effects of quick centering, convenient use and simple fixture structure

Inactive Publication Date: 2016-01-06
天津天海同步科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The workpiece structure is a long cylindrical thin-walled part, and the precision of the outer gear hobbing is required to reach the level of 5 to 6, and the processing process is easy to deform, which is especially severe for the design of the fixture.

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0022] A shaft hobbing fixture, refer to figure 1 , 2 As shown, it includes a top 1, a tie rod 2, an expansion sleeve 3, a body 4 and a lower rod 6; the body 4 includes a first conical body 41, a second conical body 42 connected to the first conical body 41 through a cylinder transition, and the first The two cones 42 are matched with the contour surface of the inner taper hole at the end of the workpiece, the expansion sleeve 3 is sleeved on the first cone 41, and the pull rod 2 is placed in the expansion sleeve 3 and placed outside the body 4. There is also a Raise, so that the pull rod 2 can push the expansion sleeve 3 to move upward; the body 4 also has a storage space that can accommodate the pull rod 2 and the pull rod 6, and the pull rod 2 passes through the expansion sleeve 3 and the body 4 in turn. The pull rod 6 is sleeved on the pull rod 2 and...

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PUM

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Abstract

The invention relates to a shaft hobbing clamp. The shaft hobbing clamp comprises a tip, a pull rod, an expansion sleeve, a body and a lower pull rod. The body comprises a first cone and a second cone in transition connection with the first cone body through a cylinder. The second cone is matched with the outline surface of an inner core hole in the end of a workpiece, and the first cone is sleeved with the expansion sleeve. The body is further provided with containing space for containing the pull rod and the lower pull rod. The pull rod sequentially penetrates through the expansion sleeve and the body and is arranged in the containing space, the pull rod is sleeved with the lower pull rod, and the lower pull rod can slide along the inner wall of the containing space. The tip is arranged at one end of the workpiece and used for abutting against the workpiece. The shaft hobbing clamp has the advantages that the structure is simple, use is convenient, quick centering and clamping can be achieved, time is saved, and machining efficiency is improved.

Description

technical field [0001] The invention relates to a jig for machining, in particular to a shaft hobbing jig. Background technique [0002] At present, the precision requirements of planetary row parts in automatic transmissions are generally very high, and the processing process is relatively difficult. Especially for sun gears, it is particularly prominent in gear hobbing. The workpiece is structurally a long cylindrical part with a thin wall, and the hobbing precision of the external teeth is required to reach the level of 5-6, and the machining process is easy to deform, which is especially a severe test for the fixture design. Contents of the invention [0003] In view of the above-mentioned defects in the existing technical problems, the present invention aims to provide a shaft hobbing fixture with simple structure, high positioning accuracy and good clamping effect. [0004] In order to achieve the above object, technical solution of the present invention is achieve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23F23/06
Inventor 袁培峰
Owner 天津天海同步科技有限公司