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Automatic wire insertion device for wire-cut electric discharge processing device

An electrical discharge machining and automatic wire technology, applied in electric machining equipment, metal machining equipment, electrode manufacturing, etc., can solve the problems of large positioning error, poor accuracy, easy wear, etc., and achieve the effect of improving safety and reducing production costs.

Active Publication Date: 2012-02-01
SODICK CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, it can be considered that the split mold has low durability and is prone to wear
In addition, it can be considered that the positioning error of the split die is larger than that of the round die
In particular, split dies are considered to be less accurate than round dies in processing using a wire electrode inclined between the upper and lower wire guides, so-called "taper processing".

Method used

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  • Automatic wire insertion device for wire-cut electric discharge processing device
  • Automatic wire insertion device for wire-cut electric discharge processing device
  • Automatic wire insertion device for wire-cut electric discharge processing device

Examples

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Embodiment Construction

[0050] Refer below Figure 1 to Figure 6 The automatic wire inserting device of the present invention will be described. From figure 1 The automatic line insertion device in the model omits the jet nozzle disassembly device.

[0051] The main body 10 of the automatic wire insertion device 1 is installed on the processing head which moves up and down. Such as image 3 and Figure 4 As shown in , the jet nozzle demounting device 90 for installing / detaching the jet nozzle 20 relative to the jet nozzle 46 is provided on the main body 10 . An upper guide assembly 30 is fixed to the lower end of the main body 10 . The height of the upper guide assembly 30 can be adjusted by moving the processing head up and down to move the main body 10 up and down.

[0052] The upper guide assembly 30 has at its lower end a jet nozzle 46 that forms a water column coaxially with the feeding direction of the wire electrode 2 . The machining gap formed between the wire electrode 2 and the work...

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Abstract

The invention provides an automatic line inserting device, comprising a jet nozzle (20) composed of first and second split nozzles (91, 92). The jet nozzle (20) can be mounted on the jet nozzle (46). The automatic line insertion device also includes: the first finger (61) supporting the first split nozzle (91); the second finger (62) supporting the second split nozzle (92); the opening and closing device (70), The opening and closing device (70) makes the jet nozzle (20) and Jet stream nozzles (46) combine or separate. An annular groove (25) is formed on the inner peripheral surface (24) of the jet nozzle (20), and an annular protrusion (48) fitted in the annular groove (25) is formed on the outer peripheral surface of the jet nozzle (46). The first and second split nozzles (91, 92) have respective split surfaces (23U, 23B). The valley-shaped groove is formed on the first splitting surface, and the mountain-shaped protrusion fitted with the valley-shaped groove is formed on the second splitting surface.

Description

technical field [0001] The present invention relates to a wire-cut electrical discharge machining device that processes a workpiece by generating discharge in a machining gap formed between a wire electrode that moves between a pair of wire guides and a workpiece. In particular, the present invention relates to an automatic wire insertion device for a wire-cut electrical discharge machining device that automatically bridges a wire electrode between a pair of wire guides. Background technique [0002] The wire-cut electrical discharge processing device with a numerical control device has a so-called automatic wire threading device (Automatic Wire Threader), which automatically makes the wire electrode pass through the upper wire guide, the starting hole, and the lower wire guide in sequence, and is captured by the winding roller. . The start hole is a hole of about 1 mm formed in the workpiece before electric discharge machining. Typically, the wire electrode has a diameter...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23H7/10
CPCB23H7/102
Inventor 保坂昭夫
Owner SODICK CO LTD
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