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Free hydraulic forging press

A hydraulic press, free technology, applied in the driving device of forging press, forging/pressing/hammering machinery, forging/pressing/hammer device, etc. Application and other issues, to avoid breaking accidents, high leveling accuracy, improve reliability and service life

Inactive Publication Date: 2013-06-12
TIANJIN TIANDUAN PRESS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main difficulties are firm and reliable fuselage, large eccentric load, large slider stroke, long moving stroke of the mobile workbench, and difficulty in leveling the machine
The traditional structure of small and medium-sized presses in the past is difficult to be applied to this machine

Method used

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  • Free hydraulic forging press
  • Free hydraulic forging press
  • Free hydraulic forging press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0033] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0034] see figure 1 , a free forging hydraulic press, including a frame-type fuselage composed of an upper beam 1, a slider 2, a column 3, and a lower beam 4, a mobile workbench 5 connected to the fuselage, a hydraulic cylinder 6, and the frame-type fuselage The overall pre-tensioning structure is adopted, that is, the column 3 is a hollow structure, and the pre-tensioning rod 7 is worn in the center hole of the column 3, and the pre-tensioning rod 7 extends out of the upper beam 1 and the lower beam 4, and the pre-tensioning rod 7 The ends are all equipped with pre-tightening nuts 8; the hydraulic cylinder 6 is provided with a plunger anti-eccentric load mechanism 9; a guide device 10 is provided between the column 3 and the slider 2; A ste...

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Abstract

The invention relates to a free hydraulic forging press comprising a frame press body, a mobile worktable and a hydraulic cylinder, wherein the frame press body comprises an upper cross beam, a sliding block, upright posts and a lower cross beam, and the mobile worktable is connected with the press body. The free hydraulic forging press is characterized in that the frame press body is in an integral pre-stressed structure, that is to say, each upright post is in a hollow structure; a pre-stressed pull rod penetrates through and is arranged in a center hole of each upright post and extends outof the upper cross beam and the lower cross beam; pre-stressed nuts are respectively arranged at the end part of each pre-stressed pull rod; a plunger piston unbalance loading resisting mechanism is arranged on the hydraulic cylinder; a guide device is arranged between the upright post and the sliding block; a stepped mobile mechanism is arranged below the mobile worktable; and a leveling device is arranged below the mobile worktable. The invention has the advantages of large nominal force, strong unbalance loading resistance, long sliding stroke and the like; and the mobile worktable has long moving stroke.

Description

technical field [0001] The invention belongs to the technical field of hydraulic press manufacturing, in particular to a free forging hydraulic press. Background technique [0002] With the continuous advancement of science and technology in our country, the demand for heavy machinery is also increasing, and the application of large-tonnage hydraulic presses is also increasing, especially free forging hydraulic presses, the tonnage of which has increased from a few thousand tons to tens of thousands of tons, and forging The requirements for precision are also getting higher and higher. For forging large forgings, the working conditions are harsh and there are high requirements for equipment. The main difficulties are that the body is firm and reliable, the partial load is large, the stroke of the slider is large, the moving stroke of the mobile table is long, and the machine is difficult to level. The traditional structure of small and medium-sized presses in the past is d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J9/12B21J13/00B21J13/04
Inventor 刘林志
Owner TIANJIN TIANDUAN PRESS CO LTD
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