CN213500593U

CN213500593U - Positioning device for injection molding of mold

Info

Publication number: CN213500593U
Application number: CN202022536718.6U
Authority: CN
Inventors: 蒋磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to a mould injection technical field specifically is a positioner that is used for mould to mould plastics usefulness, including fixed die plate and movable mould board, the fixed multiunit guide post that is provided with of lower terminal surface of movable mould board, the spacing chamber that holds the guide post is seted up to the fixed die plate up end, the fixed S-shaped shell fragment that is provided with in bottom in spacing chamber, the guide post is contradicted at the top of S-shaped shell fragment and is fixed in spacing intracavity through locating component, locating component includes the depression bar, the baffle, movable block and fixture block, set up on the depression bar with movable block sliding fit' S logical groove, movable block one end fixed connection spring, movable block other end fixed connection fixture block, set up the constant head tank that holds the fixture block. The utility model discloses can effectively restrict the position of movable mould board for injection moulding product is at the shaping process remain stable, avoids taking place skew, leaks the material scheduling problem.

Description

Positioning device for injection molding of mold

Technical Field

The utility model relates to a mould injection technology field specifically is a positioner that is used for mould to mould plastics usefulness.

Background

The injection mold consists of a movable mold and a fixed mold, wherein the movable mold is arranged on a movable template of the injection molding machine, and the fixed mold is arranged on a fixed template of the injection molding machine. And when the mold is opened, the movable mold is separated from the fixed mold so as to take out the plastic product. In order to reduce the heavy mold design and manufacturing effort, injection molds mostly employ standard mold bases.

Current injection mold adopts guide post and uide bushing complex mode to fix a position more, and the compound die is unstable in the compound die in-process appears with the uide bushing cooperation only in the guide post that the both sides of movable mould board set up to movable mould and cover half on the current injection mold are not convenient for dismantle the separation, lead to the later stage drawing of patterns inconvenient.

In view of this, we propose a positioning device for injection molding of a mold.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a positioner for mould is moulded plastics and is used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a positioner for mould is moulded plastics and is used, includes fixed die plate and movable mould board, the fixed multiunit guide post that is provided with of lower terminal surface of movable mould board, the spacing chamber that holds the guide post is seted up to the fixed die plate up end, the fixed S-shaped shell fragment that is provided with in bottom in spacing chamber, the guide post is contradicted at the top of S-shaped shell fragment and is fixed in spacing intracavity through locating component, locating component includes depression bar, baffle, movable block and fixture block, set up on the depression bar with movable block sliding fit' S logical groove, movable block one end fixed connection spring, movable block other end fixed connection fixture block sets up the constant head tank that holds the fixture block on the spacing chamber lateral wall.

Preferably, a cavity for accommodating the moving block is formed in the guide post, the longitudinal sections of the moving block and the through groove are both parallelogram structures, a trapezoidal sliding block is fixedly connected to one side, away from the pressing rod, of the moving block, and a sliding groove for accommodating the trapezoidal sliding block is formed in the side wall of the cavity.

Preferably, one end of the clamping block is fixedly connected with the moving block, and the other end of the clamping block is arc-shaped and inserted into the positioning groove.

Preferably, the upper end face of the movable mould plate is provided with a rectangular groove for accommodating the baffle, one end of the pressing rod is fixedly connected with the baffle, the other end of the pressing rod extends into the cavity and is fixedly connected with a first magnet, a second magnet is fixedly arranged at the bottom of the cavity, and the first magnet and the second magnet are magnets with the same name.

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

1. the baffle plate drives the pressing plate and overcomes the repulsive force between the first magnet and the second magnet of the same name to move downwards through pressing the baffle plate, the through groove on the pressing rod acts on the moving block, the longitudinal sections of the moving block and the through groove are both of parallelogram structures, at the moment, the moving block is stressed and drives the clamping block to be drawn out from the positioning groove, and the guide post is rapidly popped upwards under the elastic action of the S-shaped elastic piece, so that the fixed template and the moving template are conveniently detached and separated, and later-stage demolding is facilitated;

2. the utility model has the advantages of, utilize the elasticity of spring self to act on the movable block for the movable block drives the fixture block and can inserts fast and establish in the constant head tank, makes guide post fixed mounting in spacing chamber, thereby effectively restricts the position of movable mould board, makes injection moulding product remain stable at the shaping process, avoids taking place the skew, leaks the material scheduling problem.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic view of region a in fig. 1.

In the figure: the device comprises a fixed template 1, a limiting cavity 101, a positioning groove 102, a movable template 2, a guide post 3, a pressure lever 4, a baffle plate 5, a movable block 6, a fixture block 7, a spring 8, a first magnet 9, a second magnet 10 and an S-shaped elastic sheet 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a positioner for mould injection molding usefulness, includes fixed die plate 1 and movable mould board 2, and the lower terminal surface of movable mould board 2 is fixed to be provided with and is no less than four groups guide post 3, and four groups guide post 3 are the bottom of rectangular array distribution at movable mould board 2. The spacing chamber 101 that holds guide post 3 is seted up to fixed die plate 1 up end, the fixed S-shaped shell fragment 11 that is provided with in bottom in spacing chamber 101, guide post 3 is contradicted at the top of S-shaped shell fragment 11 and is fixed in spacing chamber 101 through locating component, locating component includes depression bar 4, baffle 5, movable block 6 and fixture block 7, set up on depression bar 4 with the logical groove of 6 sliding fit of movable block, 6 one end fixed connection springs 8 of movable block, 6 other end fixed connection fixture block 7 of movable block, set up the constant head tank 102 that holds fixture block 7 on the spacing chamber 101 lateral wall. One end of the fixture block 7 is fixedly connected with the moving block 6, and the other end of the fixture block 7 is arranged in an arc shape and inserted into the positioning groove 102. Utilize the elasticity of spring 8 self to act on movable block 6 for movable block 6 drives fixture block 7 and can inserts fast and establish in constant head tank 102, makes guide post 3 fixed mounting in spacing chamber, thereby effectively restricts the position of movable mould board 2, makes injection moulding product remain stable at the shaping process, avoids taking place skew, lou material scheduling problem.

As shown in fig. 2, a cavity for accommodating the moving block 6 is formed inside the guide post 3, the moving block 6 and the longitudinal section of the through groove are both of a parallelogram structure, a trapezoidal sliding block is fixedly connected to one side of the moving block 6 far away from the pressing rod 4, and a sliding groove for accommodating the trapezoidal sliding block is formed in the side wall of the cavity. The trapezoidal sliding block is matched with the sliding groove, so that the movable block 6 can be guided and limited, and can stably horizontally slide.

As shown in fig. 1 and 2, the upper end surface of the movable mold plate 2 is provided with a rectangular groove for accommodating the baffle 5, one end of the pressing rod 4 is fixedly connected with the baffle 5, the other end of the pressing rod 4 extends into the cavity and is fixedly connected with a first magnet 9, a second magnet 10 is fixedly arranged at the bottom of the cavity, and the first magnet 9 and the second magnet are magnets with the same name. Through pressing down baffle 5 for baffle 5 drives the clamp plate and overcomes the repulsion effect downwardly movement between the first magnetite 9 of same name and the second magnetite 10, and the logical groove action in depression bar 4 acts on movable block 6, and the longitudinal section that movable block 6 and logical groove are the parallelogram structure, movable block 6 atress this moment drives fixture block 7 and takes out from constant head tank 102, make guide post 3 upwards pop out fast under the elastic action of S-shaped shell fragment 11, thereby the separation is dismantled to fixed die plate 1 and movable die plate 2 to the convenience, easily the later stage is demolded.

The working principle is as follows: in actual use, the guide post 3 at the lower end of the movable template 2 is inserted into the limit cavity 101 of the fixed template 1, and the elastic force of the spring 8 acts on the movable block 6, so that the movable block 6 drives the fixture block 7 to be rapidly inserted into the locating groove 102, the guide post 3 is fixedly arranged in the limit cavity, the position of the movable template 2 is effectively limited, an injection molding product is stable in the molding process, and the problems of deviation, material leakage and the like are avoided; and through pressing down baffle 5 for baffle 5 drives the clamp plate and overcomes the repulsion effect downwardly movement between the first magnetite 9 of same name and the second magnetite 10, and the logical groove on the depression bar 4 acts on movable block 6, and the longitudinal section of movable block 6 and logical groove is the parallelogram structure, movable block 6 atress this moment drives fixture block 7 and takes out from constant head tank 102, make guide post 3 upwards pop out fast under the elastic action of S-shaped shell fragment 11, thereby the separation is dismantled to convenient fixed die plate 1 and movable die plate 2, easily the later stage is demolded.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioner for mould is moulded plastics and is used, includes fixed die plate (1) and movable mould board (2), its characterized in that: the fixed die plate is characterized in that a plurality of groups of guide posts (3) are fixedly arranged on the lower end face of the movable die plate (2), a limiting cavity (101) for containing the guide posts (3) is formed in the upper end face of the fixed die plate (1), an S-shaped elastic sheet (11) is fixedly arranged at the bottom of the limiting cavity (101), the guide posts (3) abut against the top of the S-shaped elastic sheet (11) and are fixed in the limiting cavity (101) through positioning components, each positioning component comprises a pressing rod (4), a baffle (5), a movable block (6) and a clamping block (7), a through groove in sliding fit with the movable block (6) is formed in the pressing rod (4), one end of the movable block (6) is fixedly connected with a spring (8), the other end of the movable block (6) is fixedly connected with the clamping block (7), and a positioning groove (102) for containing.

2. The positioning device for injection molding of the mold according to claim 1, wherein: the guide post (3) is internally provided with a cavity for accommodating the moving block (6), the moving block (6) and the longitudinal section of the through groove are of a parallelogram structure, one side of the moving block (6), which is far away from the pressing rod (4), is fixedly connected with a trapezoidal sliding block, and the side wall of the cavity is provided with a sliding groove for accommodating the trapezoidal sliding block.

3. The positioning device for injection molding of the mold according to claim 2, wherein: one end of the fixture block (7) is fixedly connected with the moving block (6), and the other end of the fixture block (7) is arc-shaped and inserted into the positioning groove (102).

4. A positioning device for injection molding of a mold according to claim 3, wherein: the rectangle recess that holds baffle (5) is seted up to the up end of movable mould board (2), one end fixed connection baffle (5) of depression bar (4), depression bar (4) other end stretches into cavity and the first magnetite of fixedly connected with (9), the fixed second magnetite (10) that is provided with in bottom of cavity, first magnetite (9) and second magnetite are the magnetite of the same name.