CN216941682U

CN216941682U - Solve shrink automatic mould structure that opens and shuts of highlight B post buckle

Info

Publication number: CN216941682U
Application number: CN202120968671.2U
Authority: CN
Inventors: 朱永
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Ningbo Xintai Machinery Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2022-07-12
Anticipated expiration: 2031-05-08

Abstract

The utility model belongs to the technical field of dies, and provides an automatic opening and closing die structure for solving the problem of high-gloss B-pillar buckling shrinkage. The utility model has the advantages that the pulling force of the injection mould moving mould with the automatic opening and closing structure on a product is increased, the adsorption force of the fixed mould on the product is counteracted, the A surface of the product corresponding to the buckle structure of the product has no defect, the quality meets the requirements of customers, the qualification rate is greatly improved, the production stability is greatly improved, the utility model is of a mechanical structure, the repeatability precision and the stability are higher, and 20 ten thousand per year can be saved for a company.

Description

Solve shrink automatic mould structure that opens and shuts of highlight B post buckle

Technical Field

The utility model belongs to the technical field of dies, and relates to an automatic die opening and closing structure for solving the problem of shrinkage of a highlight B-pillar buckle.

Background

Along with the rapid development of the automobile industry and the more and more strict requirements on environmental protection, front/back B columns made of highlight spray-free PMMA materials are increasingly utilized by host factories at home and abroad, but the highlight mirror polishing of a cavity reaches 13000#, and when the roughness Ra is not more than 0.003, the adsorption force on a product is larger, and meanwhile, due to the structural limitation (the extended bone position of a movable mold is only 1.5mm, and the movable mold cannot be adhered) and the quality requirements, the product cannot overcome the molding defect of a buckle part caused by the vacuum adsorption force of the highlight mirror in the injection molding process, so that unnecessary loss is caused, and at present, a part supplier improves the quality defect 1 in a way of reducing the adsorption force of the fixed mold due to the highlight by reducing the demolding angle of the fixed mold based on the product data of customers, so that the main problem is solved: private data has risks discovered by customers, so that the problems cannot be solved thoroughly in the face of complaint risks; 2. the pulling force of the movable die is increased by increasing lines on the movable die or reducing the demoulding angle of the movable die, but material scraps are easily generated in the production process due to the brittleness of a PMMA material, so that the qualification rate is seriously reduced, and meanwhile, the situation of tension cracking easily occurs due to too small demoulding angle of the movable die, so that various defects are not completely detected and flow into a client side, and fine is caused; 3. the process is optimized, the fluctuation is unstable in the production process, the qualified rate is difficult to guarantee, and the delivery risk is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem and provides an automatic opening and closing die structure for solving the problem of high-gloss B-pillar clamping shrinkage, which is simple in structural design, meets the quality requirement of customers and greatly improves the yield.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a solve shrink automation of highlight B post buckle mould structure that opens and shuts, sets up in straight kicking block department, straight kicking block lower extreme connect the ejector pin, cup jointed reset spring on the ejector pin, the thimble board is connected to the lower extreme of ejector pin, a serial communication port, straight kicking block department mechanical bullet piece has, injection moulding product is located mechanical bullet piece, straight kicking block has spring hole and cotter hole, cotter hole erection pin, straight kicking block passes through the pin and is connected with mechanical bullet piece, the spring hole be located between straight kicking block and the mechanical bullet piece, install mechanical spring in the spring hole.

In the automatic opening and closing mold structure for solving the problem of high-gloss B-pillar fastening shrinkage, the mechanical elastic block is provided with the sickle-shaped hook groove at the position close to the extending bone of the injection molding product.

In the automatic opening and closing mold structure for solving the problem of shrinkage of the highlight B-pillar fastener, the number of the spring holes is two, and the number of the pin holes is one.

Compared with the prior art, the utility model has the advantages that the pulling force of the injection mold moving mold with the automatic opening and closing structure on the product is increased, the adsorption force of the fixed mold on the product is offset, the product buckle structure corresponding to the product A surface is free of defects, the quality meets the customer requirements, the qualification rate is greatly improved, the production stability is greatly improved, the patent is a mechanical structure, the repetition precision and the stability are higher, and 20 ten thousand per year can be saved for a company.

Drawings

FIG. 1 is a schematic diagram illustrating the ejection of an automatic mold opening and closing structure for solving the problem of shrinkage of a highlight B-pillar fastener;

FIG. 2 is a partial schematic view of an automatic opening/closing mold structure for solving the problem of high-gloss B-pillar shrinkage;

fig. 3 is a schematic diagram of a three-dimensional structure of the automatic opening and closing mold for solving the problem of high-gloss B-pillar shrinkage.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the utility model and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting to the scope of the present invention.

In the figure, a straight top block 100; a top rod 200; an ejector plate 300; a mechanical bullet block 400; a pin 500; a mechanical spring 600; an injection molded product 700; a sickle-shaped hook groove 800; the injection molded product extends the bone site 900.

As shown in fig. 1, 2 and 3, the automatic mold opening and closing structure for solving the problem of high-gloss B-pillar shrinkage is arranged at a straight ejector block 100, the lower end of the straight ejector block 100 is connected with an ejector rod 200, a return spring is sleeved on the ejector rod 200, the lower end of the ejector rod 200 is connected with an ejector plate 300, the straight ejector block 100 on the ejector rod 200 moves along with the ejector plate 300 under the action of an ejector rod of an injection molding machine so as to eject an injection molding product 700 from a movable mold, and then the ejection mechanism is reset under the action of the return spring and enters the next cycle, the greatest innovation of the patent is that a mechanical spring block 400 is detached from the center position of the original straight ejector block 100, namely the mechanical spring block 400 is arranged at the straight ejector block 100, the injection molding product 700 is positioned on the mechanical spring block 400, the straight ejector block 100 is provided with two spring holes and one pin hole, and then pins are installed in the pin holes, the straight top block 100 is connected with the mechanical spring block 400 through a pin 500, the spring hole is located between the straight top block 100 and the mechanical spring block 400, two mechanical springs 600 are respectively installed in the two spring holes, the mechanical spring block 400 and the springs are used for increasing the pulling force of an injection molding moving die of an automatic opening and closing structure to a product, the adsorption force of a fixed die to an injection molding product 700 is offset, meanwhile, as further optimization, the mechanical spring block 400 is provided with a sickle-shaped hook groove 800 at a position 900 close to an extension bone position of the injection molding product, the sickle-shaped hook groove 800 can reduce glue at the position of the injection molding product 700 during injection molding to form a clamping jaw, the product can be pulled by combining the mechanical springs 600 during die opening, the suction force of the fixed die is offset, meanwhile, the structure is realized by reducing glue, and no influence is caused on the assembly and performance of the product.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a solve shrink automation of highlight B post buckle mould structure that opens and shuts, sets up in straight kicking block department, straight kicking block lower extreme connect the ejector pin, cup jointed reset spring on the ejector pin, the thimble board is connected to the lower extreme of ejector pin, a serial communication port, straight kicking block department mechanical bullet piece has, injection moulding product is located mechanical bullet piece, straight kicking block has spring hole and cotter hole, cotter hole erection pin, straight kicking block passes through the pin and is connected with mechanical bullet piece, the spring hole be located between straight kicking block and the mechanical bullet piece, install mechanical spring in the spring hole.

2. The automatic opening and closing mold structure for solving the problem of high-gloss B-pillar shrinkage through clamping according to claim 1, wherein the mechanical spring block is provided with sickle-shaped hook grooves at positions close to extension bones of an injection-molded product.

3. The automatic mold opening and closing structure for solving the problem of high light B-pillar shrinkage caused by buckling according to claim 2, wherein the number of the spring holes is two, and the number of the pin holes is one.