Screw sleeve part inner hole processing lathe clamp

A technology of lathe fixtures and screw sleeves, which is applied in the direction of manufacturing tools, metal processing equipment, metal processing machinery parts, etc., can solve the problems of workpiece clamping deformation, small contact area, and difficulty in guaranteeing workpiece processing quality, and achieve small clamping deformation , meet the requirements of coaxiality, and the effect of easy to guarantee the processing quality of parts

Active Publication Date: 2015-05-27
南京力全科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The three-jaw chuck has the advantages of strong versatility, no need for special manufacturing, and high centering accuracy. However, when the three-jaw chuck is used to clamp the workpiece, because of its small contact area with the workpiece, the The clamping force is large, especially when the workpiece wall thickness is thin, the workpiece is more likely to be clamped and deformed, which makes it difficult to guarantee the processing quality of the workpiece

Method used

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  • Screw sleeve part inner hole processing lathe clamp

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Embodiment Construction

[0012] A lathe fixture for processing inner holes of screw sleeve parts, see figure 1 , the lathe clamp includes a clamp body 2, a return spring 4, a taper sleeve 6, a nut 3 and a nut turning handle (not shown in the figure). The clamp body 2 positioned by the spigot is installed on the lathe spindle through the transition plate; the return spring 4 is set on the front thin wall of the clamp body 2 and is located between the threaded step of the clamp body 2 and the taper sleeve 6; the taper sleeve 6 is set on the clamp body Concretely at the thin-walled front end of the clamp body 2; the nut 3 passes through the thin-walled front end of the clamp body 2 and the taper sleeve 6, and is threadedly connected with the clamp body 2; the nut turning handle (not shown) is connected with the nut 3 by a clearance fit.

[0013] During processing, after the outer circle of the screw sleeve part 8 is pre-positioned in the thin-walled inner hole at the front end of the clamp body 2, the po...

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Abstract

The invention discloses a screw sleeve part inner hole processing lathe clamp, which comprises a clamp body, a screw nut, a cone sleeve and a reset spring, wherein a clamp body positioned by a notch is arranged on a lathe main shaft through a transition disc, the front end of the clamp body is a barrel-shaped thin wall with the external taper, in addition, the outer diameter of the back end of the thin wall is greater than the outer diameter of the front end, the inner diameter of the thin wall is matched with the outer diameter of a screw sleeve to be processed, the cone sleeve with the internal taper matched with the external taper of the thin wall is arranged on the outer side of the thin wall in a sleeving way, the reset spring is arranged at the thin wall part in a sleeving way and is positioned between a cone sleeve and a threaded step positioned at the back part of the clamp body, and the screw nut passes through the thin wall and the cone sleeve and is connected with the clamp body through screw threads. The screw sleeve part inner hole processing lathe clamp has the advantages that the structure is compact, the operation is simple, convenient and reliable, the positioning precision is very high, the processing quality can be easily ensured, and higher practicability is realized.

Description

technical field [0001] The invention relates to a lathe fixture, in particular to a lathe fixture for turning inner holes at both ends of a screw sleeve part. Background technique [0002] When processing the inner holes at both ends of the screw sleeve parts, a three-jaw chuck is usually used to position and clamp the workpiece through the outer circle of the workpiece. The three-jaw chuck has the advantages of strong versatility, no need for special manufacturing, and high centering accuracy. However, when the three-jaw chuck is used to clamp the workpiece, because of its small contact area with the workpiece, the The clamping force is large, especially when the wall thickness of the workpiece is thin, the workpiece is more likely to be clamped and deformed, which makes it difficult to guarantee the processing quality of the workpiece. Contents of the invention [0003] In order to overcome the problems existing in the prior art, the purpose of the present invention is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q3/12
CPCB23Q3/12
Inventor 王道林
Owner 南京力全科技有限公司
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