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Vibratory broaching device and method based on 2d valve-controlled electro-hydraulic excitation

An electro-hydraulic excitation and valve-controlled technology, applied in broaching device, fluid pressure actuating device, broaching machine, etc., can solve the problems of short broaching tool life and low broaching accuracy, reduce tool wear and improve broaching. The effect of cutting quality and reducing broaching force

Active Publication Date: 2018-06-22
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention overcomes the problems of low broaching precision and short broach life in the prior art, and provides a vibration broaching device and method based on 2D valve-controlled electro-hydraulic excitation

Method used

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  • Vibratory broaching device and method based on 2d valve-controlled electro-hydraulic excitation
  • Vibratory broaching device and method based on 2d valve-controlled electro-hydraulic excitation
  • Vibratory broaching device and method based on 2d valve-controlled electro-hydraulic excitation

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Embodiment Construction

[0040] The present invention will be further described below in conjunction with accompanying drawing of description, but protection scope of the present invention is not limited thereto:

[0041] Such as Figure 1-2 As shown, the vibration broaching device based on 2D valve-controlled electro-hydraulic excitation of the present invention includes a hydraulic horizontal inner broaching machine, a 2D valve-controlled electro-hydraulic vibration exciter and a broach 21; figure 2As shown, the broaching machine used in the present invention is a hydraulic horizontal broaching machine, which is composed of a bed 1, a bed platform 5, an auxiliary bed 11, a base 12, a workbench 6, a main sliding plate guide rail 4, and an auxiliary sliding plate guide rail 8 , the main tool holder 2, the main card cutter body 3, the auxiliary tool holder 10, and the auxiliary card cutter body 9, the workbench 6 is a structural part of the broaching machine, and plays a supporting role; the main slidi...

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Abstract

The invention relates to a vibration broaching device based on 2D valve control electro-hydraulic shock excitation and a method of the vibration broaching device. The vibration broaching device comprises a hydraulic horizontal internal broaching machine, a 2D valve control electro-hydraulic vibration exciter and a broach. A main oil way connected with a main oil cylinder is arranged in the hydraulic horizontal internal broaching machine. The 2D valve control electro-hydraulic vibration exciter comprises a 2D shock excitation valve and a shock excitation cylinder which are connected in a matched manner. A main oil cylinder piston rod is fixed to an end cover of the shock excitation cylinder. The end cover of the shock excitation cylinder is fixed to a cylinder barrel of the shock excitation cylinder. A shock excitation cylinder piston is arranged in the cylinder barrel of the shock excitation cylinder. A striking rod on the right side of the shock excitation cylinder is connected with the shock excitation cylinder piston and the broach. The main oil cylinder, the shock excitation cylinder and the broach are connected in series, and a 2D shock excitation valve controller circuit is connected with a 2D shock excitation valve servo controller, and a PLC is connected with the 2D shock excitation valve servo controller. The main oil cylinder is connected with the shock excitation cylinder in series, accordingly the main oil cylinder, the shock excitation cylinder and the broach are connected in series into a whole, so that the main movement (namely the broaching direction) exerts the active vibration, and the purposes of reducing the broaching force, reducing tool abrasion and improving the broaching quality are achieved.

Description

[0001] The invention relates to the technical field of vibration broaching, in particular to a vibration broaching device and method based on 2D valve-controlled electro-hydraulic excitation. Background technique [0002] Broaching can be processed into through holes of various cross-sectional shapes and external surfaces of various special shapes. Because the broaching speed is low, the broaching process is stable, and the thickness of the cutting layer is thin and uniform, it can obtain high machining accuracy and small surface roughness, and the service life of the broach is also long. The broaching method is widely used in batch and mass production. In recent years, broaching is used for spline holes and keyways with certain precision in small batch production. According to the main movement direction of the broaching machine, broaching can be divided into vertical and horizontal; according to the position of the broach relative to the workpiece, broaching can be divided ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23D41/08F15B13/02F15B21/02
CPCB23D41/083F15B13/021F15B21/02
Inventor 应申舜邢彤
Owner ZHEJIANG UNIV OF TECH
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