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Three-jaw centrifugal force self-centering chuck

A self-centering chuck and centrifugal force technology, applied in the direction of the chuck, etc., can solve the problems of complex operation and maintenance, low production efficiency, long manufacturing cycle, etc., and achieve the effects of convenient use, improved production efficiency, and improved processing accuracy

Inactive Publication Date: 2013-04-24
江苏省宿迁市方圆机械有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the three-jaw chuck device of the lathe is divided into manual and automatic according to the power used to drive the jaws. The manual three-jaw chuck has problems such as inconvenient use, high labor intensity, and low production efficiency; the automatic three-jaw chuck, although The labor intensity is reduced, but hydraulic devices or pneumatic devices need to be added, and there are problems such as long equipment manufacturing cycle, high cost, and complicated operation and maintenance.

Method used

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  • Three-jaw centrifugal force self-centering chuck
  • Three-jaw centrifugal force self-centering chuck

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] like figure 1 and figure 2 As shown, a three-jaw self-centering chuck includes a chuck body 1, jaws 2, a centrifugal shaft 3, a plug shaft 4, a centrifugal roller sleeve 6 and a fixed shaft 7. There are three evenly distributed straight grooves on the end surface of the chuck body 1, and the jaws 2 are placed in the straight grooves. There are three evenly distributed chute grooves on the circumferential direction. Parallel and symmetrical internal threaded holes, the diameter of the internal threaded hole is larger than the width of the chute; there are three evenly distributed fixed shaft holes and a center hole inside the chuck body. The plug shaft 4 is screwed in the internally threaded hole of the chuck body 1 by external threads, and the plug shaft 4 is covered with a compression spring 5, which is installed in the internally threaded ...

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Abstract

The invention provides a three-jaw centrifugal force self-centering chuck which comprises a chuck body, clamping jaws, centrifugal shafts, plug screw shafts, centrifugal rolling sleeves and fixed shafts, wherein three uniformly distributed straight grooves are formed in the end surface direction of the chuck body; three uniformly distributed titled grooves are formed in the circumference direction; three uniformly distributed fixed shaft holes and one central hole are further formed inside the chuck body; the clamping jaws are arranged inside the straight grooves; an inner threaded hole which is parallel and symmetry with the central line of the titled groove surface is formed in each titled groove; the plug screw shafts are screwed inside the inner threaded holes through outer threads; springs are sleeved on the plug screw shafts; clamping grooves are formed in the clamping jaws; the centrifugal shafts penetrate through the clamping grooves and are installed inside the titled grooves of the chuck body; inner holes are formed in two ends of the centrifugal shafts; the centrifugal shafts are sleeved on the plug screw shafts through the inner holes; and the fixed shafts penetrate through the fixed shaft holes and the inner holes of the clamping jaws to be assembled inside the chuck body. The three-jaw centrifugal force self-centering chuck is convenient to use, reduces the working intensity, improves the production efficiency, shortens the equipment manufacturing period, lowers the cost and at the same time improves the machining precision.

Description

technical field [0001] The invention relates to the field of lathe machining, in particular to a three-jaw chuck device for automatic centering and locking by centrifugal force of a lathe. Background technique [0002] At present, the three-jaw chuck device of the lathe is divided into manual and automatic according to the power used to drive the jaws. The manual three-jaw chuck has problems such as inconvenient use, high labor intensity, and low production efficiency; the automatic three-jaw chuck, although The labor intensity is reduced, but hydraulic devices or pneumatic devices need to be added, and there are problems such as long equipment manufacturing cycle, high cost, and complicated operation and maintenance. Contents of the invention [0003] In view of the above problems, the present invention provides a three-jaw centrifugal force self-centering chuck, the purpose of which is: when the chuck body rotates, the workpiece is clamped by centrifugal force, and when ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/14
Inventor 邱绍虎陈爱武苗进
Owner 江苏省宿迁市方圆机械有限公司
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