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Isobaric pressing method and device of a powder molding press

A powder and press technology, applied in the direction of material forming presses, presses, manufacturing tools, etc., can solve the problem of unbalanced pressing force in each cavity of multiple molds, and achieve the effect of solving the uniform density

Active Publication Date: 2015-12-16
上海平野磁气有限公司 +1
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Problems solved by technology

[0003] The purpose of the present invention is to provide a method and device for isobaric pressing of a powder molding press, which mainly solves the problem of unbalanced pressing force in multiple mold cavities, and achieves the same molding density of the pressed workpieces, thereby increasing the efficiency of powder molding and pressing improvement achieved

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  • Isobaric pressing method and device of a powder molding press

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Embodiment Construction

[0013] The invention discloses an isobaric pressing method of a powder molding press, which utilizes the principle of liquid conduction pressure and equal pressure everywhere in the liquid to balance the pressure difference of each pressure head, so that the pressures of each working pressure head are equal.

[0014] For realizing above-mentioned inventive method can adopt the device of more kinds of structures, now in conjunction with figure 1 , 2 One of the devices that can realize the method of the present invention is described.

[0015] As shown in the figure, it includes a screw plug 1, an integrated block 2, a pressure head 3, a one-way valve 6 and a pressure plate 8; wherein: the upper part of the integrated block 2 is provided with an oil storage chamber 21 transversely, and one end of the oil storage chamber 21 The opening is connected to the one-way valve 6, and the other end is opened at the upper center and connected to the threaded plug 1. The lower part of the ...

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Abstract

The invention relates to an isobaric pressing method and an isobaric pressing device of a powder forming press. The isobaric pressing method is to balance pressure differences of pressure heads by using the principles that liquid transmits pressure and pressures of different positions in the liquid are equivalent, so as to enable the pressures of the working pressure heads to be equivalent. The isobaric pressing device comprises a screwed plug, an integrated block, the pressure heads, a one-way valve and a press plate. According to the invention, the isobaric pressing method and the isobaric pressing device of the powder forming press mainly solve the problem that the press power on mould cavities of a compression mould is unbalanced as a plurality of mould cavities are arranged in the compression mould, so that the forming densities of pressed workpieces are consistent, and the powder forming pressing efficiency is further improved.

Description

technical field [0001] The invention relates to powder molding and pressing technology, in particular to an isobaric pressing method and device of a powder molding press. Background technique [0002] In order to improve the efficiency of powder compaction, it is generally possible to implement a method of more than one mold in the compaction of smaller workpieces, that is, to arrange more than two workpiece molding cavities in one compaction mold, so that n (cavities) can be pressed at one time number) of workpieces, the efficiency can be increased by n times. However, the problem brought about is that it is difficult to make the density of each powder molding blank material uneven, which cannot meet the quality requirements. At the same time, the method of improving efficiency in one mold with multiple outputs cannot be implemented. Contents of the invention [0003] The purpose of the present invention is to provide a method and device for isobaric pressing of a powder...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B30B11/02B30B15/24
Inventor 吕振
Owner 上海平野磁气有限公司
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