Injection parts need to overcome the friction between parts and mold, to overcome atmospheric pressure (some semi-closed shell, cylinder parts), but also overcome the friction between the mold mechanism itself. Therefore, in order to overcome the demoulding force and ensure the stable work of injection mold, many exquisite demoulding mechanisms were born. These mechanisms can be divided into manual demoulding, motor demoulding, hydraulic and pneumatic demoulding according to the power source of the ejection action. According to the characteristics of the launching action, the classification of double demoulding can be divided into: one demoulding, two demoulding, sequential demoulding, pouring system concrete demoulding, plastic parts with thread demoulding.
Usually, the inner thread of the plastic parts is formed by the thread core, and the outer thread is formed by the thread ring. Because the thread has a lateral concave groove, the plastic parts with the thread need special demoulding mechanism, that is, the thread core, the demoulding mechanism of the ring. The ejection mode of the threaded plastic parts can be divided into three kinds: forced demoulding, movable thread core and threaded ring demoulding, and the revolving demoulding of the threaded part of the plastic parts or molds.
The lateral release mechanism is a supplement to the mobile release mold of plastic injection mold.
The characteristic of the lateral demoulding mechanism is that the thread axis is perpendicular to the direction of the opening mold, which can easily change the straight motion of the opening mold into the rotation of the core. Its working principle is that when plastic injection mold is opened, the rack guide pillar drives the screw core to rotate and the sleeve nut makes the core move axial, so that the core exits the product.
Key points of plastic injection mold transverse stripping mechanism design:
A) The pitch of the non-working end thread and the working end thread shall be the same;
B) The plastic injection mold core should move in axial direction, and should be able to contact the rack at the limit position;
Green Vitality Industry Co., Ltd. is an injection mold manufacturer specializing in the development, production, sales and after-sales service of precision molds and molding products, mainly covering electronics, automobiles, toys, home appliances, office and other fields.
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