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Stepped shaft centering and clamping device

A technology of clamping device and stepped shaft, which is applied in the field of mechanical processing to achieve the effect of reducing wear, good clamping effect, and avoiding movement or movement tendency

Active Publication Date: 2017-06-13
徐州鼎力模具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common stepped shaft is centered and clamped by three-jaw chuck, but the three-jaw chuck cannot avoid the movement and movement trend of the stepped shaft along the axial direction

Method used

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  • Stepped shaft centering and clamping device
  • Stepped shaft centering and clamping device
  • Stepped shaft centering and clamping device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0014] Such as figure 1 , figure 2 and image 3 As shown, a centering clamping device for a stepped shaft includes a frame 1, a turntable 2, a servo motor 3, a pull rod 4, a pull ring 5, a cam connecting rod 6, a support seat 7, a first end cover 8, a second A radial inner cam 9, the first clamping slider 10, the first screw 11, the first support spring 12, the second end cover 13, the second radial inner cam 14, the second clamping slider 15, the second Screw 16, the second support spring 17, pull rod guide ring 18, described support seat 7 is fixed on the frame 1, and the middle end of described support seat 7 is provided with the installation hole of different diameter, is respectively first installation hole ...

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PUM

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Abstract

The invention provides a stepped shaft centering and clamping device, and belongs to the technical field of mechanical machining. The stepped shaft centering and clamping device comprises a first radial inner cam, a second radial inner cam, three first clamping sliders, three clamping sliders and a turntable, the first clamping sliders are distributed in an equally-spaced manner, can be radially and slidably arranged on one side of a supporting seat and are fitted with corresponding first curved-surface grooves under the actions of first supporting springs, the second clamping sliders are distributed in an equally-spaced manner, can be radially and slidably arranged on the other side of the supporting seat and are fitted with the outer sides of corresponding second U-shaped grooves under the actions of second supporting springs, the turntable is rotatably arranged at one end of a frame, one end of a pulling rod is fixed on the turntable, the other end of the pulling rod is inserted into a pulling rod guide ring, and two ends of the pulling ring are connected with the pulling rod and a cam connecting rod. According to the stepped shaft centering and clamping device, a stepped shaft is centered, clamped, reasonable in structure and good in clamping effect and cannot axially move or does not have an axially-moved tendency.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a centering clamping device for a stepped shaft. Background technique [0002] Machining refers to the process of changing the shape or performance of a workpiece through a mechanical device. According to the difference in processing methods, it can be divided into cutting processing and pressure processing. The machinery required for processing consists of digital display milling machine, digital display forming grinder, digital display lathe, EDM machine, universal grinding machine, machining center, drilling machine, laser welding, fast wire walking, medium wire walking, slow wire walking, outer cylindrical grinder, inner circle Grinding machines, precision lathes, etc. Cutting processing refers to the processing method of using cutting tools (including cutting tools, grinding tools and abrasives) to cut off the excess material layer on the blank or workpiece into chips, so...

Claims

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Application Information

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IPC IPC(8): B23B31/16
CPCB23B31/1612
Inventor 周达新
Owner 徐州鼎力模具有限公司