Gapless demolding apparatus for injection encapsulated workpiece with right-angled terminal
A technology of injection molding encapsulation and demoulding device, which is applied in the direction of coating, etc., can solve problems such as difficult to realize, and achieve the effects of improving the pass rate, meeting technical quality requirements, and being easy to use
Active Publication Date: 2013-09-11
上海飞乐汽车控制系统有限公司
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Problems solved by technology
However, for injection-molded parts with right-angle terminal components that cannot use the above-mentioned structural forms, it is usually difficult to achieve smooth demoulding from the mold under the condition of no gap
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[0017] A kind of injection molded workpiece 100 with right-angle terminals such as figure 1 As shown, the right-angle terminal 103 bent at 90° is encapsulated in the workpiece 100 as an insert, and there may be multiple right-angle terminals 103 side by side. After injection molding, a first undercut portion 101 and a second undercut portion 102 are respectively formed on the rear portion and the front portion of the right-angle terminal 103 .
[0018] Such as figure 2 As shown, the gapless demoulding device of the present invention includes a fixed seat 40, a push rod 6, a first push block 8 and a second push block 9, wherein the push rod 6, the first push block 8 and the second push block 9 are all Can slide in the fixed seat 40.
[0019] In this embodiment, the fixed seat 40 is fixedly connected by the fixed block 5, the slider seat 4 and the handle 2, the slider seat 4 is fixedly connected on the fixed block 5, and is limited by the pin 3; the handle 2 is fixed by the s...
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The invention discloses a gapless demolding apparatus for an injection encapsulated workpiece with a right-angled terminal. The apparatus is characterized in that: the apparatus comprises a fixed seat, wherein a first spacing surface and a second spacing surface are arranged in the fixed seat; a first push block, a second push block and a push rod, wherein the first push block, the second push block and the push rod slide in the fixed seat, there is a first sliding stroke between the front end surface of the first push block and the first spacing surface, the second push block has a sliding fit with the first push block, the second push block and the first push block are positioned between a front retaining wall and a rear retaining wall, there is a second sliding stroke between the front end surface of the second push block and the second spacing surface, the second push block has a third sliding stroke between the front retaining wall and the rear retaining wall, the second push block is provided with a positioning slot for embedding the right terminal, the rear end of the push rod contacts the front end surface of the first push block, and the front end of the push rod punches out of the fixed seat; a first projecting part which is positioned on the rear retaining wall and forward stretches along the top surface of the second push block; and a second projecting part which is positioned on the fixed seat and backward stretches along the top surface of the second push block. The apparatus of the present invention allows the gapless injection molded workpiece to be successfully demolded from a die.
Description
technical field [0001] The invention belongs to the field of injection molding, and relates to a demoulding device for a right-angle terminal assembly in the state of no gap after injection molding and encapsulation. Background technique [0002] The demoulding method of injection molded parts with ordinary inserts is generally to separate the upper and lower molds of the injection mold; or to increase the push block through the lower mold and move left and right and forward and backward by the inclined guide column (wedge) to achieve the injection molded parts with inserts. Part demoulding purpose. However, for injection molding parts with right-angle terminal components that cannot use the above-mentioned structural forms, it is usually difficult to achieve smooth demoulding from the mold under the condition of no gap. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a demoulding device capable of smoothly and ...
Claims
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IPC IPC(8): B29C45/40B29C45/14
Inventor 朱海伟邱晓霞程文龙
Owner 上海飞乐汽车控制系统有限公司