CN220429100U

CN220429100U - Anti-offset positioning mechanism of thin-wall injection mold

Info

Publication number: CN220429100U
Application number: CN202321689533.6U
Authority: CN
Inventors: 仇军成
Original assignee: Taicang Qiujing Plastic Mould Co ltd
Current assignee: Taicang Qiujing Plastic Mould Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-02-02
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of injection molds and discloses an anti-offset positioning mechanism of a thin-wall injection mold, which comprises a first fixing plate, wherein slide bars are fixedly arranged at four corners on one side of the first fixing plate, telescopic cavities are fixedly arranged at the upper end and the lower end of one side of the first fixing plate, which is close to the slide bars, of the first fixing plate, and electric telescopic rods are slidably arranged in the two telescopic cavities. According to the utility model, the moving plate drives the female die to move towards the male die on the four slide bars, so that the deviation of the injection mold can be prevented, the moving plate moves on a fixed line, the stability of the injection mold is enhanced, the mold can be firmly kept stable in position when the injection molding machine operates, the conditions of vibration, looseness or deformation and the like are avoided, the quality and the production efficiency of an injection molding product are improved, and the consistency and the repeatability of the injection molding product can be ensured.

Description

Anti-offset positioning mechanism of thin-wall injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to an anti-offset positioning mechanism of a thin-wall injection mold.

Background

Thin-walled automotive trim refers to a thin and lightweight plastic or metal trim for use on the interior and exterior of an automobile for providing decorative, protective, and functional features. These trim parts are typically mounted in the interior of automobiles in the form of dashboards, door panels, seats, center consoles, etc., as well as in the exterior of automobiles in the form of body, front grille, rear view mirror, etc. When the thin-wall automobile ornament is produced, a thin-wall injection mold is needed, so that the thin-wall injection mold needs to have high precision and stability.

Some existing thin-wall injection molds are poor in anti-deviation performance, and are not stable enough when the female mold and the male mold are closed or separated, and deviation of the female mold on a line moving towards the male mold can lead to position movement when the female mold and the male mold are closed, so that the female mold and the male mold are inconsistent with a product injected last time, different in size and incapable of effectively guaranteeing consistency and repeatability of the product.

Therefore, a person skilled in the art provides an anti-offset positioning mechanism of a thin-wall injection mold to solve the problems set forth in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an anti-offset positioning mechanism of a thin-wall injection mold, wherein a moving plate moves towards a male mold direction on four sliding rods to drive a female mold and the male mold to be closed, the sliding rods can prevent the injection mold from offset, the sliding plates move on a fixed line, the stability of the injection mold is enhanced, and the mold can firmly keep stable positions and prevent injection products caused by unexpected offset and loosening from varying in size and shape when an injection molding machine runs.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the anti-offset positioning mechanism of the thin-wall injection mold comprises a first fixing plate, wherein slide bars are fixedly arranged at four corners of one side of the first fixing plate, telescopic cavities are fixedly arranged at the upper end and the lower end of one side of the first fixing plate, which is close to the slide bars, of the first fixing plate, and electric telescopic rods are slidably arranged in the two telescopic cavities;

four slide bars are provided with the fly leaf in a sliding way, four slide bars keep away from first fixed plate one side fixedly and be provided with the terrace die, the terrace die keeps away from first fixed plate one side fixedly and is provided with the second fixed plate.

Through the technical scheme, the moving plate controls the four sliding rods to move rightward, and drives the male die to move rightward.

Further, a convex block is fixedly arranged on one side of the convex die, telescopic columns are fixedly arranged at the upper end and the lower end of the inner part of the convex die on one side of the convex block, springs are fixedly arranged on the two telescopic columns, and a jacking block is fixedly arranged on one side, away from the convex die, of the two telescopic columns;

through above-mentioned technical scheme, the flexible post of spring stretches out, makes its force of pushing forward all the time, and after the injection molding finishes, the kicking block stretches out automatically, and is ejecting with the injection molding product.

Further, a female die mounting plate is fixedly arranged on one side, close to the male die, of the moving plate, a female die is fixedly arranged on one side, close to the male die, of the female die, a groove is formed in one side of the female die, and a water injection cavity is fixedly arranged on one side, close to the groove, of the interior of the male die;

through above-mentioned technical scheme, the inside water injection of water injection cavity, water absorb heat to the injection molding product, assist its rapid cooling shaping.

Further, clamping grooves are formed in the upper end and the lower end of the male die, clamping blocks are fixedly arranged at the upper end and the lower end of the female die, and the two clamping grooves are in sliding connection with the two female dies;

through above-mentioned technical scheme, the fixture block and the draw-in groove stability when reinforcing moulding plastics, fixture block and draw-in groove joint when moulding plastics.

Further, a water injection pipe is fixedly arranged at the top end of the front end face of the water injection cavity, and a water outlet pipe is fixedly arranged at the bottom end of the front end face of the water injection cavity;

through above-mentioned technical scheme, the water injection pipe is to the inside water injection chamber water injection, and the outlet pipe can emit inside water, can be convenient for install circulating water cooling system to the water injection chamber.

Further, an injection molding opening is formed in the second fixing plate, and penetrates through the male die and the protruding block;

through above-mentioned technical scheme, carry out injection high temperature plastics liquid to inside through the mouth of moulding plastics, make it in the mould.

Further, the two electric telescopic rods are fixedly connected with the movable plate;

through above-mentioned technical scheme, electric telescopic handle is flexible in flexible intracavity, jack-up movable plate removes.

The utility model has the following beneficial effects:

1. according to the anti-offset positioning mechanism of the thin-wall injection mold, disclosed by the utility model, the moving plate drives the female die to move towards the male die on the four sliding rods, so that the offset of the injection mold can be prevented, the moving plate moves on a fixed line, the stability of the injection mold is enhanced, the mold can be firmly kept stable in position when the injection molding machine is operated, the conditions of vibration, looseness or deformation and the like are avoided, the quality and the production efficiency of an injection molding product are improved, and the consistency and the repeatability of the injection molding product can be ensured.

2. According to the anti-offset positioning mechanism of the thin-wall injection mold, when the female mold is withdrawn after injection molding is finished, an injection molding product is attached to the clamping block of the male mold, the spring drives the telescopic column to automatically extend out, the ejector block is ejected forward, the injection molded product is pushed down, automatic demolding is realized, demolding of injection molding work can be facilitated, time for taking out the product through injection molding is saved, injection molding frequency is improved, and processing speed is increased.

3. According to the anti-offset positioning mechanism of the thin-wall injection mold, the water inlet pipe and the water outlet pipe are reserved, so that a circulating water cooling system can be conveniently installed, water is injected into the water injection cavity, the specific heat capacity of the water is large, the injection molding product can be subjected to heat absorption and temperature reduction after injection molding, the cooling molding time of the injection molding product is shortened, and the production efficiency of mass injection molding is improved.

Drawings

FIG. 1 is an isometric view of an anti-offset positioning mechanism for a thin-wall injection mold according to the present utility model;

FIG. 2 is a front cross-sectional view of an anti-offset positioning mechanism of a thin-wall injection mold according to the present utility model;

FIG. 3 is a front view of an anti-offset positioning mechanism of a thin-wall injection mold according to the present utility model;

fig. 4 is an enlarged view at a of fig. 2.

Legend description:

1. a first fixing plate; 2. a slide bar; 3. a telescopic chamber; 4. an electric telescopic rod; 5. a female die mounting plate; 6. a female die; 7. a water injection cavity; 8. a groove; 9. a bump; 10. an injection molding port; 11. a second fixing plate; 12. a male die; 13. a moving plate; 14. a water injection pipe; 15. a clamping block; 16. a water outlet pipe; 17. a clamping groove; 18. a telescopic column; 19. a spring; 20. and (5) a top block.

Detailed Description

Referring to fig. 1-4, one embodiment provided by the present utility model is:

the utility model provides a thin wall type injection mold prevent skew positioning mechanism, includes first fixed plate 1, and slide bar 2 is all fixed to first fixed plate 1 one side four corners, and first fixed plate 1 is close to slide bar 2 one side upper and lower both ends all fixed and is provided with flexible chamber 3, and the inside electric telescopic handle 4 that all slides of two flexible chambeies 3;

the four slide bars 2 are provided with a moving plate 13 in a sliding manner, a male die 12 is fixedly arranged on one side, away from the first fixing plate 1, of the four slide bars 2, a second fixing plate 11 is fixedly arranged on one side, away from the first fixing plate 1, of the male die 12, and the moving plate moves rightwards under the control of the four slide bars, so that the male die is driven to move rightwards.

The convex block 9 is fixedly arranged on one side of the convex die 12, the telescopic columns 18 are fixedly arranged at the upper end and the lower end inside the convex die 12 on one side of the convex block 9, the springs 19 are fixedly arranged on the two telescopic columns 18, the ejector blocks 20 are fixedly arranged on one side, far away from the convex die 12, of the two telescopic columns 18, the spring telescopic columns extend out to enable the spring telescopic columns to push forward force all the time, after injection molding is finished, the ejector blocks automatically extend out to eject an injection molded product, the movable plate 13 is fixedly provided with the concave die mounting plate 5 on one side, close to the convex die 12, of the movable plate 13, the concave die 6 is fixedly provided with the concave die 6, the concave die 8 is arranged on one side, close to the concave die 8, of the concave die 12, the water injection cavity 7 is fixedly arranged on one side, water is injected into the water for absorbing heat of the injection molded product, the rapid cooling molding is assisted, the clamping grooves 17 are formed at the upper end and the lower end of the convex die 12, the upper and lower both ends of die 6 are all fixed and are provided with fixture block 15, two draw-in grooves 17 and two die 6 sliding connection, the stability when fixture block and draw-in groove reinforcing are moulded plastics, fixture block and draw-in groove joint when moulding plastics, the terminal surface top is fixed before the water injection chamber 7 is provided with water injection pipe 14, terminal surface bottom mounting is provided with outlet pipe 16 before the water injection chamber 7, water injection pipe is to the inside water injection of water injection chamber, the inside water can be given out to the outlet pipe, can be convenient for to the installation circulation water cooling system of water injection chamber, the injection molding mouth 10 has been seted up to inside of second fixed plate 11, injection molding mouth 10 runs through terrace die 12, lug 9, inject high temperature plastics liquid to inside through the injection molding mouth, make it in the mould, two electric telescopic handle 4 all with movable plate 13 fixed connection, electric telescopic handle stretches out and draws back in flexible intracavity, jack-up movable plate removes.

Working principle: the electric telescopic rod 4 stretches and draws back to drive the movable plate 13 to move on the slide bars 2, the movable plate 13 drives the female die 6 to move on the four slide bars 2 to the male die 12, so that the female die 12 is closed, the four slide bars 2 can prevent the deviation of the injection mold, the movable plate 13 moves on a fixed line each time, when the female die 6 is withdrawn after injection molding is finished, injection molding products can be attached to the clamping blocks 15 of the male die 12, the spring drives the telescopic column 18 to automatically stretch out, the jacking blocks are pushed out forward, the injection molding finished products are pushed down, automatic demolding is realized, water is injected into the water injection cavity 7 through the water injection pipe 14, the water outlet pipe 16 is discharged, a circulating water cooling system is conveniently installed on the water outlet pipe 16 and the water injection pipe 14, the female die 6 is subjected to heat absorption, the injection molding products are helped to be cooled down quickly, and the clamping blocks 15 and the clamping grooves 17 play a role in enhancing stability.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a thin wall type injection mold prevent skew positioning mechanism, includes first fixed plate (1), its characterized in that: slide bars (2) are fixedly arranged at four corners on one side of the first fixing plate (1), telescopic cavities (3) are fixedly arranged at the upper end and the lower end of one side, close to the slide bars (2), of the first fixing plate (1), and electric telescopic rods (4) are slidably arranged in the two telescopic cavities (3);

four slide on slide bar (2) and be provided with fly leaf (13), four slide bar (2) are kept away from first fixed plate (1) one side and are fixedly provided with terrace die (12), terrace die (12) are kept away from first fixed plate (1) one side and are fixedly provided with second fixed plate (11), terrace die (12) one side is fixedly provided with lug (9), lug (9) one side terrace die (12) inside upper and lower extreme is all fixedly provided with telescopic column (18), two all fixedly provided with spring (19) on telescopic column (18), two telescopic column (18) are kept away from terrace die (12) one side and are all fixedly provided with kicking block (20).

2. The anti-offset positioning mechanism of a thin-wall injection mold according to claim 1, wherein: the movable plate (13) is fixedly arranged on one side, close to the male die (12), of the movable plate, the female die mounting plate (5) is fixedly arranged on one side, close to the male die (12), of the movable plate, the female die (6) is provided with a groove (8), and a water injection cavity (7) is fixedly arranged on one side, close to the groove (8), of the interior of the male die (12).

3. The anti-offset positioning mechanism of a thin-wall injection mold according to claim 2, wherein: clamping grooves (17) are formed in the upper end and the lower end of the male die (12), clamping blocks (15) are fixedly arranged at the upper end and the lower end of the female die (6), and the two clamping grooves (17) are in sliding connection with the two female dies (6).

4. The anti-offset positioning mechanism of a thin-wall injection mold according to claim 2, wherein: the water injection pipe (14) is fixedly arranged at the top end of the front end face of the water injection cavity (7), and the water outlet pipe (16) is fixedly arranged at the bottom end of the front end face of the water injection cavity (7).

5. The anti-offset positioning mechanism of a thin-wall injection mold according to claim 1, wherein: an injection molding opening (10) is formed in the second fixing plate (11), and the injection molding opening (10) penetrates through the male die (12) and the protruding block (9).

6. The anti-offset positioning mechanism of a thin-wall injection mold according to claim 1, wherein: the two electric telescopic rods (4) are fixedly connected with the movable plate (13).