Self-centering electrolysis grinding combined machining device for inner hole

A technology of electrolytic grinding and composite processing, which is applied in the field of composite processing equipment, can solve the problems of restricting the application of inner hole grinding and reducing the productivity of electrolytic grinding, and achieve the effect of novel structure, low surface roughness and high processing accuracy

Active Publication Date: 2014-09-03
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the existing technology of inner hole electrolytic grinding, the electrolytic gap is constantly changing and needs to be adjusted continuously, which greatly reduces the productivity of electrolytic grinding and limits its application in inner hole grinding

Method used

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  • Self-centering electrolysis grinding combined machining device for inner hole
  • Self-centering electrolysis grinding combined machining device for inner hole
  • Self-centering electrolysis grinding combined machining device for inner hole

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the drawings and embodiments.

[0028] Such as Figure 1-Figure 4 As shown, the self-centering inner hole electrolytic grinding compound processing device includes a cathode 8 arranged in the inner hole of the workpiece, and four pins are fixed on the outer edge of the cathode to ensure the gap between the cathode 8 and the inner hole wall of the workpiece. The cathode roller 6 of the electrolysis gap;

[0029] The cathode 8 is also provided with an arc-shaped cathode slot 23. The cathode slot 23 is provided with a spring sheet 5 with one end extended and embedded in it. The other end of the spring sheet 5 is set on the pawl 4; one end of the spring sheet 5 is pressed against the pawl 4 On the semicircular boss 17 on 4, the pawl 4 is in point contact with the spring plate 5, and the elastic force of the spring plate 5 is exerted to the greatest extent.

[0030] One end of the claw 4 is connected to the...

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Abstract

The invention discloses a self-centering electrolysis grinding combined machining device for an inner hole. The device comprises a cathode arranged in the inner hole of a workpiece, cathode rollers are installed on the outer edge of the cathode, an arc-shaped cathode groove is formed in the cathode, spring pieces are arranged in the cathode groove, one end of each spring piece extends into the cathode groove in an embedded mode, and the other ends of the spring pieces are arranged on clamping claws. One end of each clamping claw is movably connected to the cathode, and the other end of each clamping claw is connected with a clamping claw roller. The radius of the clamping claw rollers is larger than that of circular arcs at the ends of the clamping claws. Two threaded holes are formed in the cathode, the cathode penetrates through the threaded holes and is fixed to an insulating plate outside the workpiece through fixing bolts, a key groove is formed in the insulating plate, the fixing bolts penetrate through the key groove, and the width of the key groove is larger than the nominal diameter of the fixing bolts. The cathode rollers guaranteed the electrolysis gap between the cathode and the workpiece, so that self-centering clamping and electrolysis gap self-adjusting on the inner hole of the workpiece are achieved in the electrolysis grinding process, production efficiency and machining precision are improved substantially, and the surface roughness of the workpiece is decreased.

Description

Technical field [0001] The invention relates to a composite processing equipment, in particular to an automatic centering inner hole electrolytic grinding composite processing device. Background technique [0002] With the increasing demand for various high-strength, high-hardness, and high-wear resistance materials with modern manufacturing technology, it is contemporary to improve productivity and processing accuracy, reduce surface roughness, and extend the service life of high-strength, high-hardness, and high-resistant materials. The development of advanced manufacturing technology is inevitable. [0003] Electrolytic grinding is suitable for grinding various metal materials with high strength, high hardness, heat sensitivity, brittleness and so on. Electrolytic grinding processing technology can significantly improve productivity and processing accuracy, reduce the surface roughness of the workpiece, reduce the residual stress of the processed surface, and the grinding wheel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23H5/08
Inventor 张建华尹纪财陶国灿李刚杨浩
Owner SHANDONG UNIV
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