Two-jaw self-centering adjustable chuck

A self-centering and chucking technology, applied in the direction of chucking, etc., can solve the problems of three-jaw chuck or four-jaw chuck with complex structure, cumbersome methods, inaccuracy, etc., and achieve simple structure, convenient use, and large height range Effect

Active Publication Date: 2010-12-08
XUZHOU HUAHENG ROBOT SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is cumbersome and often inaccurate, and the structure of the three-jaw chuck or four-jaw chuck is also complicated

Method used

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  • Two-jaw self-centering adjustable chuck
  • Two-jaw self-centering adjustable chuck
  • Two-jaw self-centering adjustable chuck

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] See attached figure 1 And figure 2 Shown.

[0026] A two-jaw self-centering adjustable chuck, comprising a chuck body 1, an adapter plate 2 connecting the chuck body 1 and a machine tool. The chuck body 1 is provided with a jaw connecting plate 3 and a jaw connecting plate 3 A pair of adjustable jaws 4 located on a diameter on the chuck body 1 are connected to the chuck body 1, and an adjustable center 9 is connected to the adapter plate 2 by bolts.

[0027] See attached image 3 And Figure 4 Shown.

[0028] The adjustable jaw 4 includes a thimble 5, a connecting rod 6 vertically connected to the thimble 5, an "L"-shaped jaw bracket 7 matching the jaw connecting plate 3, and fixing the connecting rod 6 on the jaw bracket 7 The nut 8. The first end of the "L"-shaped claw bracket 7 is connected to the claw connecting plate 3, and the connecting rod 6 is fixedly connected to the second end. The thimble 5 has two states relative to the claw bracket 7. The thimble 5 can be fix...

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PUM

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Abstract

The invention relates to a two-jaw self-centering adjustable chuck which comprises a chuck body and an adapter plate connected with the chuck body and a machine tool, wherein a jaw connecting plate and jaws connected on the chuck body through the jaw connecting plate are arranged on the chuck body, an adjustable finial is connected on the adapter plate by a bolt, the adjustable finial comprises a finial, a lock nut which is arranged on the bolt and matched therewith and a nut base connected with the finial and the adapter plate, the adjustable finial extends from a hole at the center of the chuck body to the outside, and the adjustable finial is positioned at the center of the chuck body; and the jaws comprise a pair of adjustable jaws which are positioned on one diameter on the chuck, each adjustable jaw comprises a thimble, a connecting rod which is vertically connected on the thimble, a jaw support which is matched with the jaw connecting plate and a nut for fixing the connecting rod on the jaw support, and the jaw supports are fixed on the jaw connecting plate. As the two-jaw self-centering adjustable chuck is provided with the adjustable finial and the pair of the adjustable jaws, the two-jaw self-centering adjustable chuck can be used for positioning and clamping cylinder type parts; furthermore, the two-jaw self-centering adjustable chuck has simple structure and convenient use.

Description

Technical field [0001] The invention relates to a two-jaw self-centering adjustable chuck. Background technique [0002] A chuck is a mechanical device used to clamp a workpiece on a machine tool. It is a machine tool accessory that clamps and locates the workpiece by moving the movable jaws uniformly distributed on the disk body. [0003] Existing self-centering chucks usually include three-jaw self-centering chucks and four-jaw self-centering chucks. The claws of the two chucks are radially installed on the disc body and can move synchronously in the radial direction of the disc body to achieve the purpose of centering. When the outside of the cylinder-like workpiece is not absolutely circular, when the workpiece is clamped with this chuck, the center of the workpiece is incorrect, which will reduce the machining accuracy. At this time, each jaw needs to be adjusted separately to avoid errors. This method is cumbersome and often inaccurate, and the structure of a three-jaw chu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B31/10B23B31/107
Inventor 杜庆国刘伟
Owner XUZHOU HUAHENG ROBOT SYST
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