Slide block demolding mechanism with function of coring twice

Abstract

The invention discloses a slide block demolding mechanism with a function of coring twice, comprising a fixed die plate, a movable die plate, a slide block, a cylinder, a locking block and a check block, wherein the locking block is matched with the slide block through a slope, and the fixed die plate, the movable die plate and the slide block are enclosed to form a molding piece die cavity in a die assembly state; the slide block comprises a main slide block for pressing a molding piece and a side slide block which is installed on the main slide block in a sliding way and realizes the purpose of coring a feature hole of the molding piece, and the main slide block is connected with the cylinder; the fixed die plate is provided with an inclined guide post capable of enabling the side slideblock to be away from a die core during die sinking, and a spring for preventing the main slide block from sliding with the side slide block is arranged between the main slide block and the side slide block; and the main slide block is provided with a mold insert for molding the feature hole of the molding piece, and the side slide block drives the mold insert to be away from the feature hole of the molding piece when being away from the die core. The slide block demolding mechanism disclosed by the invention has a function of coring twice in two different directions in one demolding process and can adapt to fully-automatic production, thereby saving the labor, lowering the production cost and improving the size precision of the molding piece.

Description

technical field [0001] The invention relates to a sliding block demoulding mechanism with twice core pulling. technical background [0002] With the development of the automobile industry, the functions of automobiles are becoming more and more advanced, and the product structure of injection molded parts in automobiles is becoming more and more complex, which leads to the fact that the conventional mold structure design cannot meet the existing injection molded parts. In the usual injection mold structure, the slider core can only be demoulded in one direction. If the structure of the product is complex, two slider core-pulling structures are required. The usual method is to first place the insert insert on the conventional slider core-pulling for demoulding, and then use manual follow-up to separate the insert from the plastic part. Such an operation method not only needs to increase manual operations, but cannot adapt to fully automatic production, but also reduces the d...

AI Technical Summary

Problems solved by technology

If the structure of the product is complex, two slider core-pulling structures are required. The usual method is to first place the insert insert on the conventional slider core-pulling for demoulding, and then use manual follow-up to separate the insert from the plastic part. This kind of operation method not only needs to increase the manual operation, but cannot adapt to fully automatic production, but also reduces the dimensional accuracy of plastic parts due to manual operation, and reduces the qualified rate of products.

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