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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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  • 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 workpiece
[0004] In addition, the connection method between the shift fork ring and the connecting rod in the above-mentioned handle assembly is also prone to loosening between the two. When the handle is pulled, the large sliding sleeve cannot be accurately slid in place on the jaw seat, thereby affecting Clamping of the workpiece to the collet

Method used

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  • Lathe chuck
  • Lathe chuck

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Embodiment Construction

[0022] Such as figure 1 As shown, this lathe clamping device is assembled on the headstock 4, and it comprises the main shaft 5 that is located on the headstock 4 and the draw tube 6 that is located in the main shaft 5, and the two ends of the main shaft 5 stretch out the headstock 4 . One end of the draw tube 6 is fixedly connected with a collet 3 , and the other end stretches out from the main shaft 5 . The collet 3 is located at the end of the main shaft 5, and a conical surface that can cooperate with each other is provided between the main shaft 5. Under the action of the tapered surface, the chuck 3 can clamp and loosen the workpiece.

[0023] A clamping jaw base 7 is sleeved on the extension part of the drawing tube 6 protruding from the main shaft 5 , and the clamping jaw base 7 is threadedly connected to the end of the main shaft 5 . Several opening slots are arranged on the jaw base 7, and a jaw 2 is respectively hinged in each opening slot. On the outer side of ...

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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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