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Straightening machine and its drive device with friction

A friction drive and drive part technology, applied in the field of straightening machines, can solve the problems of reduced production efficiency, inaccurate high point positioning, and decreased straightening efficiency, so as to improve the straightening efficiency, increase the frictional contact area, and avoid relative sliding effect

Active Publication Date: 2019-04-16
CHANGCHUN HUIKAI TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once there is relative sliding, it will cause inaccurate positioning of high points, decrease alignment efficiency, and reduce production efficiency

Method used

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  • Straightening machine and its drive device with friction
  • Straightening machine and its drive device with friction
  • Straightening machine and its drive device with friction

Examples

Experimental program
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Effect test

Embodiment Construction

[0030] The invention discloses a straightening machine and its belt friction driving device, which increases the friction contact area and friction coefficient, avoids the relative sliding between the driving belt and the workpiece, and at the same time avoids the relative sliding angle between the driving belt and the workpiece The sensor feeds back the angle error, which improves the alignment efficiency.

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] The core improvement of the belt friction dr...

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Abstract

The invention discloses a belt friction driving device used for a shaft straightening machine. Friction force generated through contact of a belt and a workpiece drives the workpiece to rotate. Compared with a traditional rolling wheel driving device, the belt friction driving device overcomes shortages of traditional driving. According to the belt friction driving device, all functions of the traditional rolling wheel driving device can be achieved, and meanwhile, the shortages of the traditional rolling wheel driving device are overcome fully. The belt friction driving device has the advantages that belt friction driving is adopted, the friction contact area and the friction coefficient are increased, relative sliding between the driving belt and the workpiece is avoided, meanwhile, a feedback angle error of an angle sensor caused by relative sliding between the driving belt and the workpiece is avoided, and the straightening efficiency is improved. The belt friction driving device mainly applied to workpiece rotating driving with an outer circle as benchmark and widely applied to straightening driving of a motor torsion bar, and a robot drive straightening driving of a motor transmission screw bar. The invention further discloses a straightening machine which applies the belt friction driving device.

Description

technical field [0001] The invention relates to the technical field of straightening machines, in particular to a straightening machine and a friction drive device thereof. Background technique [0002] The straightening machine driving device is a device that rotates, measures and drives the workpiece during the straightening process. The driving device drives the workpiece to rotate one circle, and the displacement sensor and angle sensor feed back the runout value of the workpiece and the angle value of the workpiece rotation in real time. The control card samples at a certain sampling frequency, and corresponds the angle value and runout value at the same time to establish the measured value. Section runout-angle coordinate system. After being processed by the straightening software, determine the maximum runout and bending direction of the workpiece; and drive the workpiece to rotate to the upward bending direction through the driving device (high point positioning). ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C51/00B21D3/00
CPCB21C51/00B21D3/00
Inventor 杨永贺赵远征陈城刘铁彪张金鑫李梓铭
Owner CHANGCHUN HUIKAI TECH
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