Automatic grinding processor for sprue gate of injection molding plastic product

Abstract

The invention relates to an automatic grinding processor for a sprue gate of an injection molding plastic product. The automatic grinding processor comprises a rack and a workbench, wherein a rotatingmotor is mounted below the workbench and connected with a first belt wheel; a second belt wheel and a first strip-shaped sliding rail are arranged on the workbench; a first electric sliding block isarranged on the first strip-shaped sliding rail in a matched manner; a first hydraulic cylinder is mounted on the first electric sliding block; the top of the first hydraulic cylinder is fixedly connected with a strip-shaped mounting plate; a second strip-shaped sliding rail is mounted on the upper surface of the strip-shaped mounting plate; a second electric sliding block is arranged on the second strip-shaped sliding rail in a sliding fit manner; a rack is fixedly mounted at the bottom of the second electric sliding block; a first rotating shaft is hinged to the strip-shaped mounting plate;the first rotating shaft is sleeved with an incomplete gear engaged with the rack; and a cutting and grinding mechanism is fixedly connected to the exterior of the incomplete gear. According to the automatic grinding processor, a grinding head does not need to be replaced, and the position of the grinding head does not need to be adjusted; and it can be guaranteed that the surfaces of the ground plastic product are positioned on the same plane.

Description

technical field [0001] The invention belongs to the technical field of pouring of plastic products, and in particular relates to an automatic grinding processing machine for pouring gates of injection-molded plastic products. Background technique [0002] Injection molding is a method of producing and modeling industrial products. Its principle is to make plastic products of various shapes from thermoplastics or thermosetting materials using plastic molding molds. During the injection molding of disc-type plastic products with thermoplastics, thermoplastic residues will accumulate at the sprue of the mold. After the injection molding is completed, redundant burrs will be formed on the surface of the plastic product at the sprue. In order to improve the surface quality of plastic products, it is necessary to cut and polish the burrs at the sprue. The traditional method is to manually cut off the burrs with a cutting blade, and then use sandpaper to polish the cut surface, wh...

AI Technical Summary

Problems solved by technology

[0006] The present invention provides an automatic grinding processing machine for the sprue of injection-molded plastic products. Remove the cutter head and replace it with a grinding head, and re-adjust the position of the grinding head so that the grinding head is tangent to the surface of the plastic product, and the operation is more cumbersome; (2) The feed rate of grinding is difficult to control, and the amount of grinding is prone to occur If it is too large, the surface of the disc plastic product is sunken, and it cannot be guaranteed that the surface of the disc plastic product is on the same plane after grinding, thereby reducing the quality of grinding

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