A kind of injection mold with piston buffer structure at four corners

Abstract

The invention discloses an injection mold with a four-corner piston buffer structure, which comprises a lower template, a plurality of guide rods are movably inserted on the surface of the lower template, an auxiliary buffer mechanism is provided at the bottom of the guide rods, a cavity is provided on the lower template, and a mold cavity is provided on the lower template. There is a pair of card slots on the side wall of the template, the upper template is fixedly welded on the guide rod, the connecting shaft is fixedly connected to the upper template, the driving groove is opened on the side wall of the upper template, the core is fixedly connected to the bottom of the upper template, and the inside of the core A cooling groove is provided, and the cooling groove and the driving groove communicate with each other, and a cooling mechanism is fixedly connected to the bottom of the driving groove; compared with the prior art, when the guide rod is moved under force, the present invention can push the top block to move downward, enabling the The movement of the hinged rod pushes the buffer rod to move inside the straight groove, and the return spring and squeeze spring can play a buffering role, preventing the guide rod from moving too fast and causing air bubbles inside the injection molded part, which can reduce the defective rate of the injection molded part .

Description

technical field [0001] The invention relates to the technical field of injection molds, in particular to an injection mold with four corners and a piston buffer structure. Background technique [0002] Plastic molds are tools that are matched with plastic molding machines in the plastic processing industry to give plastic products a complete configuration and precise dimensions. Due to the variety of plastics and processing methods, and the structures of plastic molding machines and plastic products, the types and structures of plastic molds are also varied. [0003] With the improvement of today's living standards, users have put forward higher requirements for the design of industrial products, making the current industrial design requirements for product quality higher and higher. Plastic products are widely used in industrial products. In the production process of some plastic parts, the finished product inside the injection mold will deform when the temperature changes...

AI Technical Summary

Problems solved by technology

Plastic products are widely used in industrial products. In the production process of some plastic parts, the finished product inside the injection mold will deform when the temperature changes, which makes the mold opening process more troublesome and may seriously It leads to damage to small connecting parts and reduces the production efficiency of injection molded parts. Therefore, we propose an injection mold with four-corner piston buffer structure to solve the above problems

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