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Ceramic blank shaping mold capable of rapidly demoulding

A technology for forming molds and ceramic blanks, applied in the direction of forming indenters, etc., can solve problems such as difficulty in demoulding

Inactive Publication Date: 2011-03-16
NINGBO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to develop a ceramic blank forming mold that is easy to demould in view of the above-mentioned difficult phenomenon of demoulding after the blank is formed.

Method used

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  • Ceramic blank shaping mold capable of rapidly demoulding
  • Ceramic blank shaping mold capable of rapidly demoulding
  • Ceramic blank shaping mold capable of rapidly demoulding

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Embodiment Construction

[0014] exist figure 2 In the example shown in this case, the structure of the female mold is mainly shown. The structure of the actual mold includes the mold pads that are used in combination with each other in sequence, the female mold, and the upper die punch. The female mold is a cylindrical object, and the upper mold The punch is a cylindrical object with one end placed in the cavity of the female mold to press the powder sample, and the die pad is a circular plate-shaped gasket placed in the cavity of the female mold opposite the pressing end of the upper die. In this example , the place that highlights the technical features of this case is that the structure of the female mold is composed of two-lobed grooves, and the two-lobed grooves are groove 4 and groove 5, which belong to groove 4 respectively. Opposite to the two groove surfaces of the groove 5, the structure of the female mold also includes four arms, which are respectively the arm 1, the arm 3, and the arm 7. ...

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Abstract

The invention relates to a ceramic blank forming die capable of quickly demoulding, belongs to the field of ceramic formation, and aims to solve the problem that the prior ceramic forming die is difficult to demould during use. The die comprises a die cushion, a die cavity, and an upper punch, which are mutually packaged in turn and used together; and the die adopts the key point that the die cavity consists of two valve groove shaped objects, the structure of the die also comprises four supporting arm shaped objects which are mutually hinged to form an open chain structure, the front end andthe tail end of the chain structure are connected with the two valve groove shaped objects respectively, the arm shaped objects are made of magnetic conducting materials, and the surface of at least one arm shaped object is wound with a magnet exciting coil. The die cavity structure can be easily controlled by switching motion of an external power supply to be quickly changed between a magnet-absorbing gripping state and a power-off loose state, so the die can solve the problem of difficult demoulding.

Description

technical field [0001] The invention relates to a ceramic blank forming mould capable of rapid demoulding, belonging to the field of B28B ceramic forming. Background technique [0002] Dry molding of powder is a high-efficiency molding method, which is widely used in enterprise production and research and development experiments in related scientific research departments. [0003] In the process of conducting a research and development experiment on silicon carbide ceramics, the designer of this case noticed that there is a defect in the forming mold used, which is manifested in the difficulty of demoulding after the blank is formed. The reason is that the high hardness of silicon carbide is due to the high hardness of silicon carbide. Since the hardness of silicon carbide is second only to that of diamond, in the process of molding, a strong scraping effect is formed on the inner wall of the female mold. It doesn't take long for the inner wall of the female mold to be plan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B28B3/04
Inventor 李榕生李月娇姜晶晶孔祖萍孙杰杨欣王峰巫远招王鲁雁
Owner NINGBO UNIV