An integral mold ejection mechanism for peripheral undercut products
A technology of mold ejection mechanism and products, which is applied in the field of plastic molds, can solve the problems of low production efficiency, waste of raw materials, and affect the appearance, and achieve the effect of high production efficiency and saving processing costs
Active Publication Date: 2016-01-20
SHENZHEN DINGSHENG PRECISION IND CO LTD
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Problems solved by technology
[0002] For plastic products with undercuts around them, such as mobile phone casings, the common practice is to design four-sided rows to release the mold. There are row clips on the outer surface of the product, which affects the appearance. Row material, waste of raw materials
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[0022] see Figure 1-Figure 11 , a peripheral undercut product mold ejection mechanism 10, including a buckle machine 11, a protective cover 12 and a sliding block 13, used for the mold ejection of a product mobile phone shell 30. From top to bottom, the mold 20 includes an upper fixed plate 21 , a fixed mold 22 , a movable mold 23 , a thimble panel 24 , a thimble bottom plate 25 and a lower fixed plate 26 . The upper end of the protective cover 12 is fixed on the side wall of the movable mold 23 by screws, and the lower end is fixed on the side wall of the lower fixed plate 26 by screws. The upper end of the buckle 11 is fixed on the side wall of the fixed mold 22 by screws, and the lower end is sleeved in the protective cover 12 . The sliding block 13 is fixed on the upper surface of the thimble bottom plate 25 by screws, and accommodated in the cavity 241 of the thimble panel 24 .
[0023] There is a chute 121 running through the body of the protective cover 12 in the cen...
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The invention provides an integral depanning mechanism of a periphery-reversed product, which is used for depanning the periphery-reversed product formed in a mould, wherein the mould comprises an upper fixing plate, a fixed die plate, a movable die plate, a thimble surface plate, a thimble bottom plate and a lower fixing plate. The integral depanning mechanism is characterized by comprising a reversing machine, a protecting sleeve and a slide block, wherein the protecting sleeve is fixed between the movable die plate and the lower fixing plate, one end of the reversing machine is fixed on the fixed die plate, the other end of the reversing machine is sleeved in the protecting sleeve, and the slide block is fixed on the thimble bottom plate; the middle of the protecting sleeve is provided with a spout, grooves for the slide block to slide are arranged in the two opposite walls of the spout, and inclined surfaces are respectively arranged on the slide block and the groove wall opposite to the slide block; and a groove is arranged in the lower part of the reversing machine, and the lower edge of the slide block is coincided with the groove. When the integral depanning mechanism of the periphery-reversed product is used, the product is kept in a movable die when being depanned, after being cooled, the product is manually taken out, and the appearance of the product has no row bit lines so that four row materials and processing expenses are reduced, and the production efficiency is high.
Description
technical field [0001] The invention relates to plastic moulds, in particular to an integral mold ejection mechanism for peripheral undercut products. Background technique [0002] For plastic products with undercuts around them, such as mobile phone casings, the common practice is to design four-sided rows to release the mold. There are row clips on the outer surface of the product, which affects the appearance. Row material, waste of raw materials. Contents of the invention [0003] The purpose of the present invention is to overcome the defects of the prior art and provide an integral mold ejection mechanism for peripheral undercut products [0004] The technical solution adopted by the present invention to solve the problem is: [0005] A peripheral undercut product ejection mechanism, used for ejecting products with peripheral undercuts formed in a mold including an upper fixed plate, a fixed template, a movable template, an ejector panel, an ejector bottom plate an...
Claims
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IPC IPC(8): B29C33/44B29C45/44
Inventor 吕根兴
Owner SHENZHEN DINGSHENG PRECISION IND CO LTD