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A kind of elastic tap chuck

An elastic wire and collet technology, applied in the field of tap collets, can solve the problem of inconvenient adjustment of torque, etc.

Active Publication Date: 2015-12-23
常州宇拓工业装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention can not only quickly clamp, but also has radial torque protection, but it is inconvenient to adjust the torque

Method used

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  • A kind of elastic tap chuck
  • A kind of elastic tap chuck
  • A kind of elastic tap chuck

Examples

Experimental program
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Effect test

Embodiment Construction

[0034] Such as figure 1 As shown, the elastic tap chuck of the present invention includes a chuck handle 1 , a circular sleeve 19 and a clamping seat 14 . Such as Figure 4b As shown, the circular sleeve 19 is provided with a cavity 19-3 adapted to the chuck handle 1. The circular sleeve 19 is sleeved on the outside of the chuck handle 1. In order to transmit the torque of the collet shank to the circular sleeve, such as Figure 2a and Figure 2b As shown, the outside of the collet handle 1 is provided with a pit 1-3; as figure 1 , Figure 4a and Figure 4b As shown, the position where the side wall of the circular sleeve 19 is compatible with the pit 1-3 is provided with a long strip-shaped through groove 19-1, and a transmission is set between the pit 1-3 and the through groove 19-1. Torque steel balls 22. In this way, when the machine tool drives the chuck handle 1 to rotate, the steel ball 22 will transmit the torque of the chuck handle to the circular sleeve 19, th...

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Abstract

The invention relates to a clamp for a machine tool, in particular to a tap chuck used for keeping a tap on a main shaft of a machine tool. The tap chuck comprises a chuck handle, a round sleeve and a clamping base, wherein the outer side of the round sleeve is provided with a torque regulating mechanism; a length compensation mechanism is arranged between the chuck handle and the round sleeve; a tap clamping mechanism is arranged in the clamping base. By virtue of adopting the structure, the elastic tap chuck can regulate the torque by virtue of the torque regulating mechanism so as to adapt to tap chucks with different torques. In addition, the length regulating mechanism is used for preventing the tap damage caused by the condition that one end of the tap is fixed, while the other end is fed unceasingly. The tap clamping mechanism can be used for realizing self centering of the tap and improving the tap clamping rigidity.

Description

technical field [0001] The invention relates to a fixture for a machine tool, in particular to a tap chuck for holding a tap on the main shaft of a machine tool. Background technique [0002] When the CNC machine tool is working, the tap is driven by the servo motor to rotate and cut, and the axial movement of the tap is controlled by the servo motor. However, due to the servo delay phenomenon, relative to the rotation of the spindle, when the tap is cutting and rotating, the tap travels faster or slower, and there is an error between the actual movement and the pitch movement; the general type of tap chuck can only be clamped once. Therefore, when the size of the tap shank used for processing is different, the entire tap must be replaced, so that each machine tool must have a variety of tap chucks. [0003] Chinese invention patent application CN101537504A discloses a tap chuck for machining, including a main handle and a tap jacket, one end of the main handle is cylindric...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23G1/46
Inventor 姜利史永利申如意王震宇常晓琴赵钱徐燕朱裕生
Owner 常州宇拓工业装备有限公司
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