Positioning structure of inserts
A technology of inserts and positioning thimbles, applied in the direction of coating, etc., can solve the problems that affect the appearance of the product, the carbon fiber board is difficult to place, and injection molding cannot be done.
Active Publication Date: 2021-09-14
MITAC PRECISION TECH(KUNSHAN) CORP
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Problems solved by technology
If the positioning of the insert is not accurate, it will cause problems in the subsequent injection molding products, or even injection molding will not be possible
If too many positioning holes are set on the insert, it will affect the appearance of the product
[0004] For example, when the insert is a carbon fiber board, because the carbon fiber board will be deformed and difficult to be placed after heating, only a positioning hole is made in the middle of the carbon fiber board (such as the LOGO) to make three positioning pins, so the positioning is not accurate
[0005] In view of this, it is necessary to develop a positioning and placement structure for inserts to solve the above-mentioned problem of inaccurate placement of inserts during insert molding
Method used
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[0026] see figure 1 and figure 2 shown, where figure 1 A schematic diagram showing the positioning and placing structure of the insert of the present invention in the mold opening state, figure 2 painted figure 1 A partial enlargement of the .
[0027] The positioning and placing structure of the insert of the present invention is applied in a mold, especially in a mold for insert molding (Insert Molding). The mold includes a lower fixing plate 10, a lower ejector plate 11, an upper ejector plate 12, a Template 13, male mold core 14, female mold core 15 and female template 16, the positioning and placement structure of the insert includes:
[0028] Limiting column 100, one end is fixed in the lower ejector plate 11, and the other end protrudes from the upper ejector plate 12;
[0029] The positioning top plate 200 is attached to the lower part of the male template 13, and a stroke distance is set between the positioning top plate 200 and the limit post 100. The stroke d...
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The positioning and placement structure of the insert of the present invention includes: a limiting column; a positioning top plate, which is attached to the lower part of the male formwork; a shutter, which is arranged in the male formwork and the positioning top plate, and locks the male formwork and the positioning top plate; A number of first positioning thimbles, one end is fixed in the positioning top plate, and the other end protrudes from the male mold core, the first positioning thimble clamps the insert, and the insert is provided with a positioning hole; several second positioning thimbles, one end is provided In the male mold core, the other end protrudes from the male mold core, the positioning hole of the insert matches the other end of the second positioning thimble, and the height of the second positioning thimble protruding from the male mold core is smaller than the first positioning thimble Protrude the height of the male mold core; return pin, one end is fixed in the positioning top plate, and the other end protrudes from the male template. The positioning and placing structure of the present invention enables the insert to be placed accurately without leaving too many positioning holes to affect the appearance.
Description
【Technical field】 [0001] The invention relates to a mold structure, in particular to a positioning and placing structure of an insert. 【Background technique】 [0002] In injection molding production, insert molding (Insert Molding) is often used to form products. The insert molding refers to loading a pre-prepared different material (ie, an insert) into a mold, and then injecting molten resin material to combine with the insert to form an integrated product. The insert can be made of various materials such as metal and carbon fiber board. [0003] Therefore, when insert molding, the positioning of the insert is very important. If the positioning of the insert is not accurate, it will cause problems in the subsequent injection molding products, or even injection molding. If too many positioning holes are set on the insert, it will affect the appearance of the product. [0004] For example, when the insert is a carbon fiber board, because the carbon fiber board will be def...
Claims
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IPC IPC(8): B29C45/14
CPCB29C45/14073B29C2045/14081
Inventor 郭明文
Owner MITAC PRECISION TECH(KUNSHAN) CORP