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Horizontal demoulding method of multidirectional die forging hydraulic press

A technology of multi-directional die forging and horizontal parting, applied in the field of multi-directional forging, can solve the problems of increasing the tonnage of equipment, reducing the quality of forgings, affecting the forming of forgings, etc., and achieves the effects of convenient mold opening, low manufacturing cost, and reduced energy consumption.

Inactive Publication Date: 2015-08-19
SUZHOU DONGSHENG FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the choice of clamping force is also very important. When the clamping force is too large, the tonnage of the equipment needs to be increased, resulting in adverse economic consequences; and when the clamping force is less than the required value, cracking will occur during the die forging process. Die phenomenon, resulting in flashing of forgings, affecting the forming of forgings and reducing the quality of forgings

Method used

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  • Horizontal demoulding method of multidirectional die forging hydraulic press

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A method for horizontal parting of a multi-directional die forging hydraulic press, which includes the following steps:

[0019] (1) The vertical push rod 7 pushes the upper die 9 down to realize the clamping of the upper die 9 and the lower die 11, and puts the billet after heating, descaling and blank making into the mold cavity of the multi-directional die forging press;

[0020] (2) The hydraulic cylinders on the left and right sides act on the horizontal push rod 10 to push the mold clamping ring 4 to the protrusions on the upper mold casing 5 and the lower mold casing 2 respectively, and the upper mold casing 5 and the lower mold casing 2 are engaged. Press and fix;

[0021] (3) The vertical piercing rod 8 goes down to the predetermined position, and then stops, and the main cylinder pressure head 6 of the multi-directional die forging press goes down to the set stroke, and is in a pressure-holding state after completion;

[0022] (4) The horizontal...

Embodiment 2

[0025] Embodiment 2: The structure of this embodiment is basically the same as that of Embodiment 1, the difference is that the protruding part and the inner wall of the clamping ring are wedge-shaped to cooperate with each other.

Embodiment 3

[0026] Embodiment 3: The structure of this embodiment is basically the same as that of Embodiment 1, except that a hydraulic cylinder is used to act on the horizontal push rod to push the clamping ring.

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Abstract

The invention relates to a horizontal demoulding method of a multidirectional die forging hydraulic press. Protruding portions of an upper mould sleeve and a lower mould sleeve and the inner side wall of a mould locking ring cooperate with each other and are wedge-shaped. By adopting the horizontal demoulding method, a demoulding face can be reliably closed during forging, a mould closing force dose not needed to be taken into account when the hydraulic press works, the energy consumption can be greatly reduced, and a mould can be conveniently opened after forging. A mould locking device is simple in structure, easy to implement and low in manufacturing cost.

Description

technical field [0001] The invention relates to the technical field of multi-directional forging, in particular to a horizontal die-parting method for a multi-directional die forging hydraulic press. Background technique [0002] The traditional methods of manufacturing valve bodies mostly use casting, welding, die forging hammer die forging, hydraulic press extrusion die forging, etc. These technologies have certain limitations and defects. For example: the mechanical properties of castings are low; the products manufactured by die forging hammer die forging process have a certain influence on the overall mechanical properties due to insufficient deformation of the core, and the material utilization rate is low; the vertical hydraulic press forming process can forge the inner hole of the valve, but For the three-way valve body with flange, it cannot be formed at the same time, and the efficiency is not high. Multi-directional die forging can improve the plasticity of metal...

Claims

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Application Information

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IPC IPC(8): B21J5/02
Inventor 不公告发明人
Owner SUZHOU DONGSHENG FORGING
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