CN201856348U - Improved Banana Latent Sprue - Google Patents

Abstract

An improved banana-shaped submarine gate comprises a main runner, a sub-runner and a gate, wherein the banana-shaped gate consists of a banana-shaped main body and a spot gate, and the banana-shaped main body is arranged at the top of an insert; the point gate is arranged in the position, corresponding to the banana-shaped main body in the insert, of the core insert. The utility model relates to a novelty, it is rational in infrastructure, can eliminate the banana form and hide the gluey line of closing of formula gate department, effectively improve plastic product appearance quality, have very big spreading value.

Description

Improved Banana Latent Sprue

technical field

The utility model relates to a runner in a plastic mold, in particular to an improved banana-shaped latent runner.

Background technique

In recent years, with the rapid development of the plastic industry and the gradual improvement of engineering plastics in terms of strength and precision, the application range of plastic products has continued to expand, and the trend of plasticization of industrial products and daily-use products has become increasingly obvious. The plastic mold used to produce plastic products is an indispensable and important part of the entire production process of plastic products. The structure of the mold has the most direct impact on product quality and production process.

The runner is an essential part of the plastic mold. According to different needs, the gate in the runner can be designed into different types. Among them, the banana-shaped latent gate is set on the inner surface of the plastic product in the form of a banana-shaped tunnel. , side surface or invisible ribs and columns on the outer surface, so as to ensure good surface quality of plastic products after molding. The existing banana-shaped latent gate is set in the insert co-molded with the male mold core. This structure will inevitably lead to the molded plastic product at the part where the gate-equipped insert and the male mold core are co-molded. Produce obvious glue lines, which will affect the appearance of plastic products to a certain extent.

Therefore, the existing banana-shaped latent runner in the plastic mold still needs to be improved.

Contents of the invention

Aiming at the shortcomings of the existing banana-shaped latent runners in plastic molds, the purpose of this utility model is to provide an improved banana-shaped latent runner, so that the formed plastic products do not produce glue lines at the gate. .

In order to achieve the above purpose, the technical solution adopted by the utility model is: an improved banana-shaped latent runner, including a main channel, a runner and a gate. The banana-shaped gate is composed of a banana-shaped main body and a point gate. The banana-shaped main body is arranged on the top of the insert; the point gate is arranged in the position corresponding to the banana-shaped main body in the insert in the male mold core.

The beneficial effect of the utility model is: due to the adoption of the above structure, the banana-shaped gate is divided into a banana-shaped main body and a point gate, which are respectively arranged in the insert and the male mold core, so that the insert does not need to cooperate with the male mold core as a forming part , so as to realize the generation of no glue line at the gate, and achieve the purpose of improving the appearance quality of plastic products. The utility model is novel in design and reasonable in structure, can eliminate the glue line at the banana-shaped latent gate, effectively improves the appearance quality of plastic products, and has great popularization value.

Description of drawings

Accompanying drawing is the structure schematic diagram of the present utility model, also is the figure with specification summary. The labels in the figure are: (1) sprue, (2) runner, (3) gate, (4) banana-shaped body, (5) point gate, (6) insert, (7) male mold Ren, (8) Plastic products.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Referring to the accompanying drawings, an improved banana-shaped latent runner of the utility model includes a main channel 1, a runner 2 and a gate 3, and the banana-shaped gate 3 is composed of a banana-shaped main body 4 and a point gate 5. The banana-shaped main body 4 is arranged on the top of the insert 6 ; the point gate 5 is arranged in the position corresponding to the banana-shaped main body 4 in the insert 6 in the male die core 7 .

The above is only a preferred embodiment of the utility model, and does not limit the technical scope of the utility model in any way. Any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the utility model , all still belong to the technical scope of the present utility model.

Claims (1)

1. An improved banana-shaped submerged runner, including a sprue, a runner and a gate, characterized in that: the banana-shaped gate is composed of a banana-shaped main body and a point gate, and the banana-shaped main body is arranged on the insert the top; the point gate is set in the position corresponding to the banana-shaped main body in the insert in the male mold core.

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