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Stable wire conveying mechanism

A wire-moving and stable technology, applied in electric processing equipment, metal processing equipment, electrode manufacturing, etc., can solve problems such as workpiece geometric error, system vibration, guide wheel wear, etc., to improve machining accuracy and smoothness, and good limit function. , the effect of suppressing jitter

Inactive Publication Date: 2015-01-28
SUZHOU BAOMA NUMERICAL CONTROL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In high-speed WEDM processing, the electrode wire is affected by several forces such as discharge force, flushing force, and tension. When these forces cannot be balanced, the position of the electrode wire in the processing area will change, resulting in geometric errors on the workpiece; at the same time High-speed wire walking will cause wear of the guide wheel and vibration of the system, and the tension of the electrode wire is not easy to control, which will seriously affect the processing stability, processing accuracy and surface quality

Method used

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Embodiment Construction

[0012] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.

[0013] see figure 1 , the embodiment of the present invention includes:

[0014] A stable wire feeding mechanism, comprising: a wire storage tube 1, a guide wheel, a weight constant tension device 6, an electrode wire 10 and a limit cam 7; The central aperture of the workpiece 8, the guide wheel has four, including the first upper guide wheel 2 fixed on the upper end of the workpiece 8, the second upper guide wheel 3 and the third upper guide wheel 4, and the upper guide wheel fixed on the lower end of the workpiece 8 The fourth lower guide wheel 5, the four guide wheels are used for tensioning and pulling the electrode wire 10, reducing the sha...

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Abstract

The invention discloses a stable wire conveying mechanism which comprises a wire storage barrel, four guide wheels, a counterweight constant-tension device, an electrode wire and four limiting cams. The electrode wire penetrates a small center hole of a workpiece which is clamped on a working tabletop, the four guide wheels includes a first upper guide wheel, a second upper guide wheel, a third upper guide wheel and a fourth lower guide wheel, the first upper guide wheel, the second upper guide wheel and the third upper guide wheel are positioned at the upper end of the workpiece, the fourth lower guide wheel is positioned at the lower end of the workpiece, the counterweight constant-tension device is positioned between the first upper guide wheel and the second upper guide wheel, two limiting cams are arranged on the lower portion of the third upper guide wheel, the other two limiting cams are arranged on the upper portion of the fourth lower guide wheel, and the electrode wire can be driven by the wire storage barrel to reciprocate through the four guide wheels. Owing to the mode, the stable wire conveying mechanism has the advantages that the stable wire conveying mechanism has an excellent electrode wire limiting function, constant tension can be applied to the electrode wire, accordingly, shaking of the electrode wire can be suppressed, and the workpiece machining precision and the smoothness of the workpiece can be improved.

Description

technical field [0001] The invention relates to the field of wire electric discharge cutting equipment, in particular to a stable wire feeding mechanism. Background technique [0002] Most of the products produced and used in our country are high-speed wire-cut electric discharge machines. With the rapid development of my country's mold industry, higher requirements are put forward for wire electric discharge machine, which further promotes the development of wire electric discharge cutting technology. [0003] In high-speed WEDM processing, the electrode wire is affected by several forces such as discharge force, flushing force, and tension. When these forces cannot be balanced, the position of the electrode wire in the processing area will change, resulting in geometric errors on the workpiece; at the same time High-speed wire movement will cause wear of the guide wheel and vibration of the system. In addition, the tension of the electrode wire is not easy to control, whic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H7/10
CPCB23H7/105B23H7/104
Inventor 邵建军
Owner SUZHOU BAOMA NUMERICAL CONTROL EQUIP
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