Banana gate mechanism free of insert core trace

Abstract

The invention discloses a banana plastic filling mechanism free of an insert core trace. The banana gate filling mechanism comprises a male die core, a male die banana gate insert core, a thimble, a thimble plate and a movable template, wherein the male die balance gate insert core is placed inside a mounting hole in the bottom part of the male die core; banana grooves and a first product pouring basin are formed in the top surface of the male die banana gate insert core; the banana grooves are arranged at two sides of the first product pouring basin; the tail ends of the banana grooves are communicated with the first product pouring basin; the banana grooves and an inner wall structure of the mounting hole of the male die core form a banana channel; the banana channel is communicated with a glue inlet; a through hole communicated with the bottom surface of the male die banana gate insert core is arranged in the middle of the first product pouring basin; the first end of the thimble is placed into the through hole; and the second end of the thimble is connected with the thimble plate. By adopting the banana gate mechanism free of the insert core trace disclosed by the invention, the glue inlet does not need to be removed by manpower as no residue exists after the product is pushed out; and no trace is generated at other positions except for a point inlet position on the product.

Description

technical field [0001] The invention relates to the field of plastic product processing, in particular to a mechanism for banana glue-feeding without traces. Background technique [0002] Many plastic products are processed by injection molding. According to different product structures and requirements, injection molding molds must design different glue feeding methods and mold structures to ensure the aesthetics and functionality of their products. For some products that are not allowed to be glued on the exterior surface, the glue feeding method is currently used in the mold industry to complete the design of the mold structure in the form of submerged thimble glue feeding, conventional banana glue feeding or reverse pouring glue feeding. [0003] However, these structures have great limitations for products with high appearance requirements and waterproof functions. 1. After the thimble-feeding product is formed, the residual rubber on the thimble must be manually remov...

AI Technical Summary

Problems solved by technology

1. After the thimble-feeding product is formed, the residual rubber on the thimble must be manually removed, which increases a lot of labor costs

2. Conventional banana glue will have two sets of sub-lines at the parting line of the product, which cannot achieve the waterproof performance of the product

3. The processing cost of reverse injection mold is relatively high, the flow channel system will increase the use of raw materials, and the processing cycle is relatively long

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