Lathe chuck

A technology of a clamping device and a lathe, applied to the device field of a lathe, can solve the problems of inconvenient installation and maintenance, affecting the clamping of the chuck to the workpiece, and being prone to loosening, etc., so as to facilitate assembly and maintenance, improve work stability, The effect of easy assembly and maintenance

Inactive Publication Date: 2006-03-22
玉环龙生机床有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This kind of clamping device has complex structure, inconvenient installation and maintenance, and in the actual use process, it is easy to loosen between the pull tube and the fastening screw. When the handle is turned, the displacement of the pull tube in the main shaft may not be enough , which affects the clamping of the chuck to the

Method used

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  • Lathe chuck
  • Lathe chuck

Examples

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Example Embodiment

[0022] Such as figure 1 As shown, the clamping device of the lathe is assembled on the head box 4, which includes a main shaft 5 arranged on the head box 4 and a pull tube 6 arranged in the main shaft 5, and both ends of the main shaft 5 extend out of the head box 4 . A chuck 3 is fixedly connected to one end of the pulling tube 6, and the other end extends out of the spindle 5. The chuck 3 is located at the end of the main shaft 5, and is provided with a conical surface that can be matched with the main shaft 5. When the pull tube 6 slides axially in the main shaft 5, it is located between the chuck 3 and the end of the main shaft 5 Under the action of the conical surface, the clamping and unclamping of the workpiece by the chuck 3 can be realized.

[0023] A clamping jaw seat 7 is sleeved on the extension part of the pull tube 6 extending out of the main shaft 5, and the clamping jaw seat 7 is threadedly connected to the end of the main shaft 5. A plurality of opening grooves a...

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Abstract

The lathe chuck includes main shaft, pull tube and chuck head. The chuck head is fixed to the pull tube and installed in one end of the main shaft, and the pull tube extends beyond the other end of the main shaft. One clamping jaw seat is socked to the extending part of the pull tube, connected to the main shaft and hinged to several clamping jaws, each of which has one end pushing against the pull tube and the other end extending outside the clamping jaw seat. One locking sleeve is sleeved onto the clamping jaw seat, and one handle assembly is set to control the slide of the locking sleeve on the clamping jaw seat. The lathe chuck is easy to assemble and maintain, has simple structure, long service life, and high handle stability.

Description

technical field [0001] The invention belongs to the technical field of machinery, and relates to a device on a lathe, in particular to a clamping device on a lathe. Background technique [0002] Chinese patent 02216066 discloses a clamping device for a lathe. Its structure includes a main shaft arranged on the headstock, a pull tube arranged in the main shaft, a jaw seat fixedly connected to the main shaft, and a small shaft sleeved on the main shaft. Sliding sleeve, a large sliding sleeve sleeved on the jaw seat. The small sliding sleeve is fixedly connected with the pull tube through the fastening screw passing through the long hole on the main shaft. There is also a jaw hinged on the jaw base. One end of the jaw presses against the end of the small sliding sleeve, and the other end of the jaw One end extends to the outside of the jaw seat. The large sliding sleeve is connected with the handle assembly, and the handle assembly can make the large sliding sleeve slide on t...

Claims

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Application Information

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IPC IPC(8): B23B31/10B23Q3/12
Inventor 李由平
Owner 玉环龙生机床有限公司
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