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Improved three-jaw composite chuck

A technology of composite chuck and disc body, applied in the direction of chuck, etc., can solve the problems of inability to clamp irregular workpieces and narrow use range.

Inactive Publication Date: 2009-07-29
无锡大运服饰有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this kind of jaw is that it can only effectively clamp regular workpieces, but cannot clamp irregular workpieces, so the scope of use is narrow

Method used

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  • Improved three-jaw composite chuck

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Embodiment Construction

[0008] See Fig. 1, Fig. 2, the present invention comprises disk body 4, three claws, disk wire 3, disk wire 3 is installed in disk body 4, and three claws are respectively installed in the chute of disk body 4 and are connected with disk respectively. The wire 3 meshes, and the coil wire 3 meshes with the bevel gear 2 embedded in the disc body 4. The three jaws respectively include the base jaw 5, and the base jaw 5 is respectively equipped with a screw rod 6, and the top jaw 7 is installed on the base jaw 5 respectively. The chute is engaged with the screw mandrel 6, and 1 is the gland.

[0009] The working process of the present invention is described below in conjunction with the accompanying drawings: the wrench 8 is inserted into the square hole at the end of the bevel gear 2 and rotated to drive the coil wire 3 to rotate. Claw linkage, synchronous advance and retreat, self-centering to clamp or release the workpiece. When the jaws are single-action adjustment: Insert th...

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PUM

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Abstract

The invention provides an improved three-jaw composite chuck, which not only can realize self-centering but also can realize single-jaw adjustment aiming at the shape of workpieces and guarantee clamping of irregular workpieces. The improved three-jaw composite chuck comprises a chuck body, three clamping jaws and chuck threads, wherein the chuck threads are arranged inside the chuck body; the three clamping jaws are arranged inside chutes of the chuck body respectively and meshed with the chuck threads; and the chuck threads are meshed with conical gears which are embedded into the chuck body. The improved three-jaw composite chuck is characterized in that the three clamping jaws comprise a basic jaw respectively; lead screws are arranged inside the basic jaws respectively; and top jaws are arranged inside chutes of the basic jaws respectively and meshed with the lead screws.

Description

(1) Technical field [0001] The invention relates to a machine tool processing tool, in particular to an improved three-jaw composite chuck. (two) background technology: [0002] The existing three-jaw composite chuck is a three-jaw self-centering chuck. It drives the coil wire to rotate through the bevel gear, so that the three jaws are driven by the plane thread of the coil wire to move equidistantly along the direction of the I-shaped groove of the disc body, and realize the radial self-centering clamping of the workpiece by the three jaws. The shortcoming of this jaw is that it can only effectively clamp regular workpieces, but cannot clamp irregular workpieces, so the scope of use is narrow. (3) Contents of the invention [0003] Aiming at the shortcomings of the existing common three-jaw self-centering chuck, the present invention provides an improved three-jaw composite chuck, which can not only realize self-centering, but also realize single-jaw adjustment accordin...

Claims

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Application Information

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IPC IPC(8): B23B31/16
Inventor 刘世德韩新强王玉正王猛华天虎许峰查文杰钱尧生
Owner 无锡大运服饰有限责任公司
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