Rotary sealing wire clamping spindle head

A technology of rotating spindle and rotating seal, applied in electric processing equipment, metal processing equipment, electrode manufacturing, etc., can solve the problems of unable to meet high-precision hole type processing, large wire jumping, unable to realize reciprocating motion of electrode wire, etc.

Inactive Publication Date: 2017-01-04
WUXI MICRO RES +1
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The traditional EDM deep hole machine tool adopts mechanical self-tightening drill chuck. Due to the structural design limitation of the spindle chuck, for clamping electrodes within the size range of 0.2-1mm, the clip wire has a large jump, which cannot meet the processing of high-precision hole patterns at all. , higher and more complex requirements are put forward in the field of air film heat dissipation hole processing of aero-engine blades. The design pressure of the working fluid inside the electrode must be able to reach 10Mpa, and the automatic opening and clamping of the electrode wire must be able to cooperate with the normally open clip to achieve reciprocation. For wire feeding processing, it is also necessary to be able to automatically replace the electrode wire, while the traditional drill chuck is tightened by manual nuts, which cannot realize the reciprocating movement of the electrode wire at all, so a new spindle chuck must be designed to meet the requirements

Method used

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  • Rotary sealing wire clamping spindle head

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Embodiment Construction

[0012] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0013] Such as figure 1 As shown, a rotary seal wire spindle head includes a rotary spindle 1, a flange nut 2, a connecting column 3, a PTFE briquetting block 4, a rubber sealing plug 5, a supporting column 6, a laminated spring 7, and a tightening nut 8 , opening and closing seat 9, four-petal chuck 10, electrode 11, three adjusting scr...

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Abstract

The invention discloses a rotary sealing wire clamping spindle head. The rotary sealing wire clamping spindle head comprises a rotary spindle, a flange nut, a connecting column, a polytetrafluoroethylene pressing block, a rubber sealing plug, a supporting column, a laminated spring, a screwing nut, an opening and closing seat, a four-piece chuck, an electrode, three adjusting screws and a push plate. The rotary sealing wire clamping spindle head achieves sealing of the rotary electrode, adjustable jumping of the head of the spindle chuck and automatic clamping and releasing of the electrode, and is suitable for the processing field of aeronautical blade film holes as well as hollow liquid passing electrode wires in the diameter range of 0.2-1 mm.

Description

technical field [0001] The invention relates to a rotary sealing wire clamping spindle head, which belongs to the field of electric discharge machining. Background technique [0002] The traditional EDM deep hole machine tool adopts mechanical self-tightening drill chuck. Due to the structural design limitation of the spindle chuck, for clamping electrodes within the size range of 0.2-1mm, the clip wire has a large jump, which cannot meet the processing of high-precision hole patterns at all. , higher and more complex requirements are put forward in the field of air film heat dissipation hole processing of aero-engine blades. The design pressure of the working fluid inside the electrode must be able to reach 10Mpa, and the automatic opening and clamping of the electrode wire must be able to cooperate with the normally open clip to achieve reciprocation. For wire feeding processing, it is also necessary to be able to automatically replace the electrode wire, while the traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H1/04
CPCB23H1/04
Inventor 李宝泉黄正辉张佳
Owner WUXI MICRO RES
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