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Ejection and secondary extrusion device

A secondary extrusion and ejection device technology, which is applied in the field of extrusion molding machines, can solve the problems of no secondary extrusion device, etc., and achieve the effects of improving extrusion molding quality, convenient installation and disassembly, and convenient installation and maintenance

Active Publication Date: 2011-02-02
山东八零特种电缆有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is no secondary extrusion device specially used for pressure supplementation in the current domestic metal extrusion molding machine

Method used

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  • Ejection and secondary extrusion device

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Experimental program
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Effect test

Embodiment Construction

[0019] like figure 1 As shown, an ejection and secondary extrusion device according to the present invention includes an upper mounting plate 1 and a lower driving plate 2, and an extrusion cylinder 3 is installed on the upper installation plate 1, and the extrusion cylinder 3 wears Through the central hole of the lower drive plate 2, the piston rod of the extrusion cylinder 3 is a hollow piston rod 31, which runs through the secondary extrusion rod 4 with a central through hole in the hollow piston rod 31, and the hollow piston rod 31 is fixedly connected with the secondary extrusion rod 4 through the nuts 12 and 13 placed at the two ends of the hollow piston rod 31. The upper mounting plate 1 is also equipped with an ejector device for punching and demoulding. The ejector device includes Two ejecting oil cylinders 5 fixed on the upper mounting plate 1, the piston rod 51 of the ejecting oil cylinder 5 is fixedly connected with the lower driving plate 2, and the bottom of the ...

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Abstract

The invention belongs to the technical field of extrusion forming machines and particularly relates to an ejection and secondary extrusion device for use in combination of a metal extrusion forming machine. The ejection and secondary extrusion device comprises an upper mounting plate and a lower driving plate, wherein the upper mounting plate is provided with an extrusion cylinder which passes through the center of the lower driving plate; the piston rod of the extrusion cylinder is a hollow piston; a secondary extrusion rod with a central through hole is inserted into the hollow piston rod; the hollow piston rod is fixedly connected with the secondary extrusion rod; the upper mounting plate is also provided with a stamping ejection device which comprises an ejection cylinder fixed on the upper mounting plate; the piston rod of the ejection cylinder is fixedly connected with the lower driving plate; and n ejection connecting rod is arranged at the bottom of the driving plate and is connected with an ejection connecting rod for demolding. The ejection and secondary extrusion device can realize secondary supplementation and provide an ejecting force in stamping and demolding effectively, can improve material performance effectively, and is convenient in stamping and demolding, compact in structure and convenient in installation and maintenance.

Description

technical field [0001] The invention belongs to the technical field of extrusion molding machines, and in particular relates to an ejection and secondary extrusion device used in conjunction with a metal extrusion molding machine. Background technique [0002] In the prior art, extrusion molding machines, especially large-tonnage metal extrusion molding machines, may have insufficient extrusion force during the extrusion molding process due to material and mechanical structure reasons, thereby affecting the extrusion molding quality. In order to meet the demand for extrusion force during molding and the consistency of the product, it is necessary to timely replenish the extruded material to improve the performance of the material. However, there is no secondary extrusion device specially used for pressure supplementation in current domestic metal extrusion molding machines. Contents of the invention [0003] The purpose of the present invention is to overcome the deficien...

Claims

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Application Information

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IPC IPC(8): B21C35/02B21C23/21
Inventor 刘贤华姚仁何浩波
Owner 山东八零特种电缆有限公司
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