The demoulding method of the ordinary slider driving the cylinder slider
A sliding block and oil cylinder technology, which is applied in the field of demoulding where the common sliding block drives the hydraulic cylinder sliding block, can solve the problems of lack of cost advantage and complicated structure of the three-template demoulding method, and achieve the effect of reducing product cost and saving mold cost.
Active Publication Date: 2019-04-26
SHENTONG TECH GRP CO LTD
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Problems solved by technology
[0003] The technical problem to be solved in the present invention is that the existing three-platen demoulding method is relatively complex in structure and lacks advantages in cost, so a demoulding method in which an ordinary slider drives an oil cylinder slider is provided, which can be applied to partial demoulding In the injection molding process where there is an interference angle between the mold direction and the overall demolding direction
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[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. This example is a demoulding method in which an ordinary slider drives a cylinder slider, which is applied in an injection molding process where there is an interference angle between the local demoulding direction and the overall demoulding direction.
[0017] Such as figure 1 , figure 2 , image 3 As shown, the size of product 3 in this example is relatively large, and there are several complex structures on it. The demoulding direction of the whole part is the front and rear directions, and the upper end of the rear side of the product is provided with two holes, and the opening direction of the holes is It is inclined backwards and upwards, so the inner areas of these two holes cannot be demoulded along with the front and rear directions of the overall product demoulding. For this reason, necessary adjustments have been made to the mold p...
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The invention discloses a demolding method of driving an oil cylinder sliding block by an ordinary sliding block. The demolding method comprises the following steps that A, a piston of an oil cylinder shrinks to drive a piston connection rod and the oil cylinder sliding block which is connected with the other end of the piston connection rod to synchronously move toward the shrinking direction of the piston of the oil cylinder, so that the oil cylinder sliding block is separated from a local demolding region of a product; and B, the ordinary sliding block moves in a design direction to be separated from a main body of the product, wherein an attachment surface which is attached to the local demolding region of the product is arranged at the free end of the oil cylinder sliding block, an attachment surface which is attached to a whole demolding region of the product is arranged at the free end of the ordinary sliding block, and an interference included angle is formed between the demolding direction of the local demolding region of the product and the demolding direction of the whole demolding region of the product. The demolding method has the beneficial effects of being suitable for injection process of the interference included angle which is formed between the local demolding region and the whole demolding direction and has the advantages of mold cost conservation and production cost lowering.
Description
technical field [0001] The invention belongs to the field of plastic moulds, in particular to a demoulding method in which a common slider drives an oil cylinder slider. Background technique [0002] The production methods of plastic products include blow molding and injection molding. For the injection molding process, it is more convenient to demould simple products, only need to open the mold to take out the product, while the demoulding of complex products is relatively more complicated. For some products, there is an angle between the local demoulding direction and the overall demoulding direction. If the demoulding is carried out according to the overall direction, strong demoulding must be used at the local demoulding position. If the material of the product has low elasticity and is not suitable for strong demoulding, or the local demoulding area requires high precision and is large in size, making it impossible to use the strong demoulding design, a third template ...
Claims
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IPC IPC(8): B29C45/40
CPCB29C45/40
Inventor 方立锋蔡炳芳项勇毛元源
Owner SHENTONG TECH GRP CO LTD