Application method of stripping-convenient mold
A mold and demoulding technology, which is applied in the field of convenient demoulding molds, can solve the problems of increasing scrap rate, reducing production efficiency, high manufacturing and maintenance costs, etc., and achieves the effect of ensuring yield rate, high production efficiency and convenient demoulding
Inactive Publication Date: 2013-09-25
SUZHOU TANGSHI MACHINERY MFG
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Problems solved by technology
[0003] The internal structure of this kind of mold is relatively complicated, and the manufacturing and maintenance costs are high. Moreover, the elastic demoulding mechanism needs to be reset after each demoulding. Once the operation is wrong, the product will be scrapped.
It can be seen that this elastic demoulding mechanism reduces production efficiency and increases the reject rate, so it cannot be widely used in industry
Method used
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[0012] Such as figure 1 As shown, the mold for easy demoulding of the embodiment of the present invention includes a lower mold 2 and an upper mold 1, the lower mold 2 has an opening 5, and the bottom central position of the lower mold opening 5 is provided with a groove 3, and the groove 3 The center is vertically provided with a spring positioning rod 7, the upper end of the spring positioning rod 7 is flush with the bottom of the lower mold opening 5, the spring positioning rod 7 is covered with a spring 4, the upper end of the spring 4 is provided with a top plate 6, and the top plate 6 The shape matches the opening 5; the method of use includes the following steps:
[0013] The first step is to open the upper mold and position the lower mold;
[0014] The second step is to spray the release liquid on the four walls of the lower mold opening;
[0015] The third step is to put the powder to be sintered into the mold and compact it, so that the top plate is pressed down ag...
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The invention relates to an application method of a stripping-convenient mold. The mold comprises a lower mold and an upper mold. The lower mold is provided with an opening, and a groove is formed at the bottom center of the opening of the lower mold. A spring positioning rod is arranged at the center of the groove vertically, the upper end of the spring positioning rod is flush with the bottom of the opening of the lower mold, a spring is sleeved on the spring positioning rod, an ejector plate is arranged at the upper end of the spring, and the shape of the ejector plate is matched with that of the opening. The application method includes steps of opening the upper mold and positioning the lower mold, coating releasing liquid on four walls of the opening of the lower mold, feeding to-be-sintered powder into the lower mold and compacting the powder so that the ejector plate overcomes elasticity of the spring to be pressed and to be limited by a step at the bottom of the opening, opening the upper mold after sintering and shaping of the powder, beating side walls of the lower mold by a hammer to drive the spring to lift the ejector plate so as to eject a product from the lower mold, and thereby completing the stripping process. The mold is convenient to strip and high in production efficiency, and the yield can be guaranteed.
Description
technical field [0001] The invention relates to a method for using a mould, in particular to a method for using a mould, which is convenient for demoulding. Background technique [0002] How to demould is an inevitable problem in the mold industry. Existing demoulding methods include: pneumatic demoulding, elastic demoulding, etc. Existing molds that use elastic demoulding often have an elastic demoulding mechanism inside the mold. After the product is formed, operate the demoulding mechanism to make it move, eject the product, and complete the demoulding. [0003] The internal structure of this kind of mold is relatively complicated, and the manufacturing and maintenance costs are relatively high. Moreover, the elastic demoulding mechanism needs to be reset after each demoulding is completed. Once the operation is wrong, the product will be scrapped. It can be seen that this elastic demoulding mechanism reduces production efficiency and increases the reject rate, and cann...
Claims
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IPC IPC(8): B28B7/10B22F3/10
Inventor 唐全林高云飞苏欣
Owner SUZHOU TANGSHI MACHINERY MFG