Square mould base
A mold base, square technology, applied in the field of square mold base, can solve the problems of shortening the service life of the mold, cracking of the base, etc., to achieve the effect of improving life, avoiding excessive concentration of stress, and preventing cracking of the mold base
Inactive Publication Date: 2013-06-05
DALIAN YONGTAI PRECISION IND
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Problems solved by technology
The middle head of the mold J includes the effective end face part and the supporting part such as the base. When pressing the ordinary square mold, the supporting force of the base is dispersed by the four inner corners respectively. Because the direction of the supporting force is too concentrated, it is easy to cause the base to crack and shorten. The service life of the mold
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[0007] The present invention will be further explained below in conjunction with specific examples.
[0008] like figure 1 As shown, a square mold base, the four corners 1 of the bottom part of the base are arranged in an arc shape, and the corners 1 of the square through hole are set outward from the four vertices of the square respectively. Arc-shaped corners, the arc-shaped corners 1 are arc-shaped corners with the apex of the square as the center, and the radian is three quarters of the circumference.
[0009] The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.
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The invention discloses a square mould base. Four edge corners (1) of square through holes arranged at the bottom end portion of the base and arranged in an arc shape. Each edge corner (1) is an arc-shaped edge corner which is arranged outwards from four vertexes of a square of each square through hole. The arc-shaped edge (1) takes a square vertex as the center of a circle, and three quarters of a periphery as a radian. The square mould base has the advantages that portions stressed intensively of the base are designed as arc-shaped edges so as to avoid stress to be too concentrated, effectively disperse supporting force of the base, eliminate the condition that the mould base cracks due to the fact that supporting stress of the mould base cannot be dispersed in the suppressing process, and effectively prolong the service life of the square mould.
Description
technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a square mold base. Background technique [0002] With the mature development of powder metallurgy technology, various types of magnetic products have emerged as the times require. The productivity of square products has been greatly improved, but the ensuing problem of mold life has become a top priority for major powder metallurgy industries. The middle head of the mold J includes the effective end surface part and the supporting part such as the base. When pressing the ordinary square mold, the supporting force of the base is dispersed by the four inner corners respectively. Because the direction of the supporting force is too concentrated, it is easy to cause the base to crack and shorten. the service life of the mold. Contents of the invention [0003] In order to overcome the above defects, the present invention provides a square mold base. [0004] The te...
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IPC IPC(8): B22F3/03
Inventor 顾延纯
Owner DALIAN YONGTAI PRECISION IND