CN215791391U

CN215791391U - Structure of injection molding corner connecting mold runner

Info

Publication number: CN215791391U
Application number: CN202121816004.9U
Authority: CN
Inventors: 石金旺; 纪荣华; 金生超; 王海林; 黄裕
Original assignee: Shanghai Rongnan Technology Co ltd; GAC Motor Co Ltd
Current assignee: Shanghai Rongnan Technology Co ltd; GAC Motor Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a structure of an injection molding corner connecting mold runner, which is characterized in that: include from last cope match-plate pattern, well template and lower bolster down setting gradually, be equipped with down the die cavity in the well template, down the die cavity bilateral symmetry be equipped with the runner two of die cavity intercommunication down, the one side that cope match-plate pattern and well template are relative is equipped with the last die cavity that corresponds with the quantity and the position of die cavity down, goes up the die cavity bilateral symmetry and is equipped with the runner one that communicates with last die cavity, is equipped with the runner that link up with runner one and runner two intercommunication in the cope match-plate pattern, the runner that link up of cope match-plate pattern passes through runner two and lower die cavity intercommunication, goes up die cavity and lower die cavity cooperation and forms and connect angle appearance assorted cavity, and the lower bolster is established and is used for fixed whole structure at well template. The utility model can effectively reduce the impact of the injection molding glue on the joint angle, avoid the exposure of the inner insert in the joint angle, ensure the stable molding of products, improve the qualification rate of finished products, is suitable for sealing pieces with inserts in various joint angles, and has strong universality.

Description

Structure of injection molding corner connecting mold runner

Technical Field

The utility model relates to a structure of an injection molding corner connecting die runner, in particular to a structure of an automobile sealing strip corner connecting die runner with an inner insert, and belongs to the technical field of automobile anti-pinch strip production.

Background

With the development of the automobile industry, the automobile appearance and the NVH performance are highly valued by people, in order to improve the sealing performance and the appearance performance of the whole automobile, an outer decorative cover plate and a decorative bright strip are added on a door window frame, and the corner joint of the sealing strip is mainly used for covering the peripheral unattractive parts of the decorative bright strip, the outer decorative cover plate and the door window frame and has a sealing effect. At present, to having the inserts sealing member to connect the angle in, traditional angle structure is advanced gluey through a injecting glue point, though simple structure, nevertheless causes the position of insertosome to move easily, causes the inserts to expose, and the finished product qualification rate is lower.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the problem of low product percent of pass is caused by the position of an insert in a corner joint with the insert in the existing corner joint injection molding mode to move easily.

In order to solve the problems, the technical scheme of the utility model is to provide a structure of an injection molding corner connecting mold runner, which is characterized in that: include from last cope match-plate pattern, well template and lower bolster down setting gradually, be equipped with down the die cavity in the well template, down the die cavity bilateral symmetry be equipped with the runner two of die cavity intercommunication down, the one side that cope match-plate pattern and well template are relative is equipped with the last die cavity that corresponds with the quantity and the position of die cavity down, goes up the die cavity bilateral symmetry and is equipped with the runner one that communicates with last die cavity, is equipped with the runner that link up with runner one and runner two intercommunication in the cope match-plate pattern, the runner that link up of cope match-plate pattern passes through runner two and lower die cavity intercommunication, goes up die cavity and lower die cavity cooperation and forms and connect angle appearance assorted cavity, and the lower bolster is established and is used for fixed whole structure at well template.

The upper die cavity is provided with a plurality of upper die cavities, each upper die cavity is provided with a first glue injection port which is bilaterally symmetrical, and the first glue injection ports are arranged on the first flow channels and communicated with the upper die cavities through the first flow channels.

Preferably, the lower die cavities are multiple, each lower die cavity is provided with a second glue injection port which is bilaterally symmetrical, and the second glue injection ports are arranged on the second flow channels and communicated with the lower die cavities through the second flow channels.

Preferably, the upper die plate is provided with a main feed inlet, and the main feed inlet is communicated with the through flow channel through a first glue injection port.

Preferably, the injection molding machine further comprises an upper pressure plate arranged on the upper template, a first flow channel is arranged in the upper pressure plate, and the through flow channel is communicated with the injection molding port of the injection molding machine through the first flow channel on the upper pressure plate.

Preferably, two first flow passages are arranged on the upper pressure plate.

Compared with the prior art, the utility model has the beneficial effects that:

the upper die plate is communicated with the glue injection port of the injection molding machine through the upper pressing plate, the plurality of cavities are arranged in the upper die plate and the middle die plate, and the runners and the glue injection ports of the cavities are arranged in a bilateral symmetry mode, so that the impact of injection molding glue on a butt joint angle is effectively reduced, the exposure of an inner insert in the butt joint angle is avoided, the structure of the runner of the die can ensure the stable molding of a product, the qualification rate of a finished product is improved, the runner of the die is suitable for sealing pieces with inserts in various butt joint angles, and the universality is strong.

Drawings

FIG. 1 is a schematic structural view of a runner of an injection molding fillet mold according to the present invention;

FIG. 2 is a schematic view of a corner joint with an insert;

FIG. 3 is a schematic structural view of an upper platen;

fig. 4 is a bottom view of the upper plate.

FIG. 5 is a top view of the upper platen.

FIG. 6 is a schematic diagram of a middle template structure;

fig. 7 is a schematic structural view of the lower template.

Detailed Description

In order to make the utility model more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 7, the structure of the injection molding corner connecting mold runner of the utility model comprises an upper pressing plate 3, an upper mold plate 4, a middle mold plate 6 and a lower mold plate 1 which are arranged in sequence from top to bottom. The number of the upper pressing plate 3, the upper die plate 4 and the lower die plate 1 is one.

The lower cavity 601 matched with the shape of the corner connecting part of the anti-pinch strip is processed in the middle template 6, and the number of the lower cavities 601 can be set to be a plurality according to the size of the volume of the corner connecting part 2. Two sides of the lower cavity 601 are symmetrically provided with a second runner 603 communicated with the lower cavity 601. An upper template 4 with an upper cavity 401 is arranged on the middle template 6, the upper cavity 401 is processed on one surface of the upper template 4 opposite to the middle template 6 and corresponds to the number and the position of the lower cavities 601, first runners 403 communicated with the upper cavity 401 are symmetrically processed on two sides of the upper cavity 401, and the upper cavity 401 and the lower cavities 601 are matched to form a cavity matched with the shape of the connecting angle 2. The upper template 4 is provided with a main feed inlet 503, and the main feed inlet 503 is communicated with the through flow channel 504 through the glue injection port I402.

A through runner 504 is processed inside the upper template 4, two runners 301 communicated with the glue injection port of the injection molding machine are processed on the upper pressure plate 3, and the through runner 504 is communicated with the first runner 403 and the second runner 603 and is also communicated with the glue injection port of the injection molding machine through the upper pressure plate 3 on the upper template 4. The lower template 1 is arranged below the middle template 6, so that the whole mold can be stably placed on an injection molding machine.

The upper cavity 401 is provided with a plurality of glue injection ports 402, and the number of the glue injection ports 402 of each upper cavity 401 is two and the glue injection ports are distributed in a bilateral symmetry mode. The first glue injection port 402 is arranged on the first runner 403 and is communicated with the upper cavity 401 through the first runner 403. The lower cavity 601 is provided with a plurality of glue injection ports 602, and the two glue injection ports 602 of each lower cavity 601 are distributed in a left-right symmetrical manner. The second glue injection port 602 is arranged on the second runner 603 and is communicated with each lower cavity 601 through the second runner 603.

When the injection molding machine is used, an injection molding material sequentially passes through the flow channel 301 on the upper pressure plate 3, the through flow channel 504 on the upper mold plate 4 and the glue injection port 402 on the flow channel one 403 from the opening of the injection molding machine, and the glue injection ports two 602 on the flow channels two 603 on the left side and the right side of the lower cavity 602 of the middle mold plate 6, under the symmetrical glue punching action of the glue injection ports two 602, the inner insert 201 of the product of the connecting angle 2 cannot move, the shape of the connecting angle 2 is stable, the qualification rate of finished products is improved, the injection molding machine is suitable for mass production, and the production efficiency is improved.

Claims

1. The utility model provides a structure that connects angle mould runner moulds plastics which characterized in that: comprises an upper template (4), a middle template (6) and a lower template (1) which are arranged from top to bottom in sequence, a lower cavity (601) is arranged in the middle template (6), two sides of the lower cavity (601) are symmetrically provided with a second flow channel (603) communicated with the lower cavity (601), one surface of the upper template (4) opposite to the middle template (6) is provided with upper cavities (401) corresponding to the number and the positions of the lower cavities (601), two sides of the upper cavities (401) are symmetrically provided with first flow channels (403) communicated with the upper cavities (401), the upper template (4) is internally provided with through flow channels (504) communicated with the first flow channels (403) and the second flow channels (603), the through runner (504) of the upper template (4) is communicated with the lower cavity (601) through a second runner (603), the upper cavity (401) and the lower cavity (601) are matched to form a cavity matched with the shape of the connecting angle (2), and the lower template (1) is arranged on the middle template (6) and used for fixing the whole structure.

2. The runner structure of an injection molding fillet mold as claimed in claim 1, wherein: the number of the upper cavities (401) is multiple, each upper cavity (401) is provided with a first glue injection port (402) which is symmetrical left and right, and the first glue injection ports (402) are arranged on the first flow channels (403) and communicated with the upper cavities (401) through the first flow channels (403).

3. The runner structure of an injection molding fillet mold as claimed in claim 2, wherein: the lower cavities (601) are multiple, each lower cavity (601) is provided with a second glue injection port (602) which is bilaterally symmetrical, and the second glue injection ports (602) are arranged on the second flow channels (603) and communicated with each lower cavity (601) through the second flow channels (603).

4. The runner structure of an injection molding fillet mold as claimed in claim 2, wherein: the upper die plate (4) is provided with a total feed inlet (503), and the total feed inlet (503) is communicated with the through flow channel (504) through the first glue injection port (402).

5. The runner structure of an injection molding fillet mold as claimed in claim 1, wherein: the injection molding machine is characterized by further comprising an upper pressing plate (3) arranged on the upper template (4), a first flow channel (301) is arranged in the upper pressing plate (3), and the through flow channel (504) is communicated with an injection molding machine glue injection port through the first flow channel (301) on the upper pressing plate (3).

6. The runner structure of an injection molding fillet mold as claimed in claim 5, wherein: two first flow channels (301) are arranged on the upper pressure plate (3).