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Double-acting cable-stayed chuck

A double-action cable-pull and cable-pull technology, applied in the direction of the chuck, etc., can solve the problem of unstable workpiece clamping.

Active Publication Date: 2020-12-18
ZHEJIANG JINGSU MACHINE TOOL ACCESSORIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above-mentioned related technologies, the inventor believes that when clamping an elliptical or rectangular workpiece, only two jaws touch the workpiece, and the workpiece is not clamped stably.

Method used

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  • Double-acting cable-stayed chuck

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0056] refer to image 3 , The double-action cable-stayed chuck includes a base 1, a drive assembly, a first pair of jaws and a second pair of jaws.

[0057] refer to image 3 , 4 , the base 1 has a cylindrical shape as a whole, which includes a main body 11 and a bottom plate 12, the main body 11 is arranged in a cavity, the bottom plate 12 covers the cavity, and four bolts pass through the main body 11 and are fixedly connected to the bottom plate 12; the drive assembly is arranged in the cavity Inside, and the drive assembly penetrates through the main body 11 in a direction away from the bottom plate 12 .

[0058] refer to Figure 5 , the first pair of claws includes two claws one 2 arranged symmetrically about the axis of the main body 11, the first pair of claws includes two claws two 3 arranged symmetrically about the axis of the main body 11, claw one 2 and claw two 3 Both are located at the end of the main body 11 away from the bottom plate 12 , the first claw 2 and...

Embodiment 2

[0086] refer to Image 6 , 7 , the difference between this embodiment and embodiment 1 is:

[0087] There is a distance between the groove bottom wall of the limit groove 412 and the end face of the limit pin, and there is lubricating oil in the limit groove 412; the outer circumference of the diagonal tie rod 41 is also sleeved with a sealing ring to realize the connection between the diagonal tie rod 41 and the slideway 112. Sliding seal between inner walls.

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Abstract

The invention relates to a double-acting cable-stayed chuck. The double-acting cable-stayed chuck comprises a base, a driving assembly, a first pair of clamping jaws and a second pair of clamping jaws, wherein the first pair of clamping jaws comprises two first clamping jaws which are symmetrically arranged relative to the axis of the base, the second pair of clamping jaws comprises two second clamping jaws which are symmetrically arranged relative to the axis of the base, and the first clamping jaws and the second clamping jaws slide in the radial direction of a main body. The sliding direction of the first clamping jaws is perpendicular to the sliding direction of the second clamping jaws, the driving assembly stretches out of the main body to be connected with the first pair of clampingjaws and the second pair of clamping jaws, and the driving assembly is used for driving the two first clamping jaws to synchronously get close to and get away from the axis of the main body and driving the two second clamping jaws to synchronously get close to and get away from the axis of the main body. The chuck has the effects that when a workpiece is clamped, the driving assembly firstly drives the two first clamping jaws (or the second clamping jaws) to synchronously get close to and clamp the workpiece, and then the driving assembly drives the two second clamping jaws (or the first clamping jaws) to synchronously get close to and clamp the workpiece, so that the four clamping jaws are all attached to and abut against the periphery of the workpiece, and the workpiece is stably clamped.

Description

technical field [0001] The application relates to the field of universal clamps, in particular to a double-action cable-stayed chuck. Background technique [0002] In machining, the use of the chuck is very extensive, and the chuck is often used to clamp the workpiece. [0003] The four-jaw chuck usually includes a base and four jaws arranged on the base. The four jaws are evenly arranged along the circumference of the base. Each jaw slides along the radial direction of the base, and the four jaws approach the base synchronously. axis to achieve clamping of the workpiece. [0004] With regard to the above-mentioned related technologies, the inventor believes that when clamping an elliptical or rectangular workpiece, only two jaws contact the workpiece, and the workpiece is not clamped stably. Contents of the invention [0005] In order to stably clamp the workpiece, the present application provides a double-action cable-pull chuck. [0006] A double-action cable-stayed ...

Claims

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Application Information

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IPC IPC(8): B23B31/16
CPCB23B31/16
Inventor 金灿灿罗国章
Owner ZHEJIANG JINGSU MACHINE TOOL ACCESSORIES
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