CN220297740U

CN220297740U - Self-ejection injection mold

Info

Publication number: CN220297740U
Application number: CN202321660042.9U
Authority: CN
Inventors: 梅国军; 陈斌
Original assignee: Ningbo Haishu Baodawei Mold Co ltd
Current assignee: Ningbo Haishu Baodawei Mold Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2024-01-05
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a self-ejection injection mold, which comprises a mounting plate and a lower mold, wherein the lower mold is fixedly connected to the mounting plate, a pushing part is arranged on the lower mold, the pushing part comprises a moving plate, a rotating shaft, a convex plate and a turnover block, the moving plate is connected in the lower mold in a sealing sliding manner, the rotating shaft is rotationally connected to the lower end of the lower mold, the convex plate is fixedly connected to the rotating shaft and is arranged in the lower mold, the turnover block is fixedly connected to one end of the rotating shaft far away from the convex plate, one side wall of the turnover block is in an arc-shaped arrangement, and the turnover block can slide on the arc-shaped side wall of the turnover block along with the upward movement of a pull rod and can be pushed to rotate.

Description

Self-ejection injection mold

Technical Field

The utility model relates to the technical field of injection molds, in particular to a self-ejection injection mold.

Background

The injection molding is also called injection molding, and has the advantages of high production speed, high efficiency, automation in operation, various patterns, various shapes, and large size.

The publication No. CN217021242U discloses an injection mold for plastic processing with an ejection structure, which comprises a lower mold and an upper mold, wherein the two sides of the bottom of the lower mold are provided with assembly structures, the top of the lower mold is provided with the upper mold, the bottom of the inside of the lower mold is provided with an auxiliary structure, and the top of the inside of the lower mold is provided with a cooling structure and the like.

Traditional injection mold is moulding plastics and accomplishes, because the mould has higher temperature, when leading to the staff to get the finished product, is scalded by higher temperature easily, because traditional equipment does not have automatic ejecting structure, leads to having certain danger to the product.

Disclosure of Invention

The utility model aims to solve the defects in the prior art that when the traditional injection mold is used for injection molding, workers are easy to scald due to higher temperature when the mold has higher temperature, and the traditional equipment does not have an automatic ejection structure, so that the product is at a certain risk, and provides the self-ejection injection mold.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the self-ejection injection mold comprises a mounting plate and a lower mold, wherein the lower mold is fixedly connected to the mounting plate;

the lower die is provided with a pushing component, the pushing component comprises a moving plate, a rotating shaft, a convex plate and a turnover block, the moving plate is connected in the lower die in a sealing sliding mode, the rotating shaft is connected at the lower end of the lower die in a rotating mode, the convex plate is fixedly connected to the rotating shaft and is arranged in the lower die, the turnover block is fixedly connected to the rotating shaft and is away from one end of the convex plate, and one side wall of the turnover block is in an arc-shaped arrangement.

Preferably, the pushing component further comprises a hydraulic rod, an upper plate and a pull rod, the hydraulic rods are respectively and fixedly connected to four corners of the mounting plate, the upper plate is fixedly connected to the upper ends of the hydraulic rods, the pull rod is in an L-shaped arrangement, and the upper ends of the pull rods are fixedly connected to the upper plate.

Preferably, one of the hydraulic rods is fixedly connected with a closed cavity, a piston plate is slidably connected in the closed cavity, and the piston plate is fixedly connected with the pull rod.

Preferably, the lower end of the movable plate is fixedly connected with a water collecting cavity, and a water inlet pipe is fixedly communicated between the water collecting cavity and the closed cavity.

Preferably, the water tank is fixedly connected to the mounting plate, a connecting pipe is fixedly communicated between the water tank and the closed cavity, a return pipe is fixedly communicated between the water tank and the water collecting cavity, and check valves are respectively arranged on the connecting pipe and the return pipe.

Preferably, the lower end of the upper plate is fixedly connected with an upper die, and the lower die is internally fixedly connected with a cushion block.

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

1. along with the upward movement of the piston plate, water in the closed cavity can be pushed to flow into the water collecting cavity through the water inlet pipe, original water in the water collecting cavity and water after cooling the injection molding finished product flows back into the water tank through the return pipe to be cooled, the effect of cooling the finished product before ejection of the finished product is achieved, and meanwhile, the cooling water can be recycled.

2. Along with the upward movement of the pull rod, the pull rod can slide on the arc-shaped side wall of the turnover block, so that the turnover block can be pushed to rotate, when the convex plate rotates along with the turnover block through the rotating shaft, the convex plate can be extruded upwards and pushed to move upwards in the lower die, and therefore automatic pushing-out of a finished product in the lower die is achieved, and a worker can take out the finished product conveniently.

Drawings

FIG. 1 is a schematic diagram of the front structure of a self-ejecting injection mold according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a lower mold of a self-ejecting injection mold according to the present utility model;

fig. 3 is a schematic diagram of a bump structure of a self-ejecting injection mold according to the present utility model.

In the figure: the hydraulic device comprises a mounting plate 1, a hydraulic rod 2, a pull rod 3, an upper plate 4, a movable plate 5, an upper die 6, a lower die 7, a return pipe 8, a water tank 9, a connecting pipe 10, a turnover block 11, a rotating shaft 12, a convex plate 13, a cushion block 14, a water collecting cavity 15, a water inlet pipe 16, a piston plate 17 and a closed cavity 18.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The terms such as "upper", "lower", "left", "right", "middle" and "a" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technology.

Referring to fig. 1-3, a self-ejection injection mold comprises a mounting plate 1 and a lower mold 7, wherein the lower mold 7 is fixedly connected to the mounting plate 1, the lower end of an upper plate 4 is fixedly connected with an upper mold 6, a cushion block 14 is fixedly connected to the lower mold 7, and the cushion block 14 is used for supporting the moving plate 5 by injection molding and preventing the moving plate 5 from moving downwards.

Install the pushing part on the lower mould 7, the pushing part includes movable plate 5, pivot 12, flange 13, upset piece 11, movable plate 5 sealed sliding connection is in lower mould 7, pivot 12 rotates to be connected at lower mould 7 lower extreme, flange 13 fixed connection is on pivot 12, and set up in lower mould 7, upset piece 11 fixed connection keeps away from the one end of flange 13 at pivot 12, upset piece 11 one of them lateral wall is the arc setting, pull rod 3 can realize the rotation to upset piece 11 when the arc wall slides on one side of upset piece 11, the pushing part still includes hydraulic stem 2, upper plate 4, pull rod 3, a plurality of hydraulic stems 2 are fixed connection respectively in mounting panel 1 four corners department, upper plate 4 fixed connection is in a plurality of hydraulic stems 2 upper ends, pull rod 3 is L-shaped setting, and upper end fixed connection is on upper plate 4.

One of them hydraulic stem 2 is last fixedly connected with closed chamber 18, sliding connection has piston plate 17 in the closed chamber 18, piston plate 17 and pull rod 3 fixed connection, movable plate 5 lower extreme fixedly connected with water collecting chamber 15, fixed intercommunication has inlet tube 16 between water collecting chamber 15 and the closed chamber 18, fixedly connected with water tank 9 on the mounting panel 1, fixed intercommunication has connecting pipe 10 between water tank 9 and the closed chamber 18, fixed intercommunication has back flow 8 between water tank 9 and the water collecting chamber 15, realize carrying out the refrigerated effect to the finished product before the finished product is ejecting, install the check valve on connecting pipe 10 and the back flow 8 respectively.

In the utility model, when the upper plate 4 is pushed to move upwards by the driving hydraulic rod 2, the upper die 6 and the lower die 7 can be driven to be separated, when the pull rod 3 moves upwards along with the upper plate 4, the piston plate 17 can be driven to move upwards in the closed cavity 18, at the moment, the one-way valve on the connecting pipe 10 is closed, the one-way valve on the return pipe 8 is opened, so that the water in the closed cavity 18 can be pushed to flow into the water collecting cavity 15 through the water inlet pipe 16 along with the upward movement of the piston plate 17, the water which is originally in the water collecting cavity 15 and has cooled an injection molding finished product flows back into the water tank 9 through the return pipe 8 to be cooled, and conversely, the pull rod 3 moves downwards to drive the piston plate 17 to move downwards in the closed cavity 18, at the moment, the one-way valve on the connecting pipe 10 is opened, the one-way valve on the return pipe 8 is closed, and the water in the water tank 9 flows into the closed cavity 18 through the connecting pipe 10.

Along with the upward movement of the pull rod 3, the pull rod can slide on the arc-shaped side wall of the turnover block 11, so that the turnover block 11 can be pushed to rotate, when the convex plate 13 rotates along with the turnover block 11 through the rotating shaft 12, the convex plate 13 can be extruded upwards and push the movable plate 5 to move upward in the lower die 7, and therefore automatic pushing-out of a finished product in the lower die 7 is achieved, and a worker can take out the finished product conveniently.

In the present utility model, the terms "mounted," "connected," "secured," and the like are to be construed broadly, unless otherwise specifically indicated and defined.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The self-ejection injection mold comprises a mounting plate (1) and a lower mold (7), and is characterized in that the lower mold (7) is fixedly connected to the mounting plate (1);

install the promotion part on lower mould (7), the promotion part includes movable plate (5), pivot (12), flange (13), upset piece (11), movable plate (5) sealed sliding connection is in lower mould (7), pivot (12) rotate and connect lower mould (7) lower extreme, flange (13) fixed connection is in on pivot (12), and set up in lower mould (7), upset piece (11) fixed connection is in pivot (12) are kept away from the one end of flange (13), one of them lateral wall of upset piece (11) is the arc setting.

2. The self-ejection injection mold according to claim 1, wherein the pushing component further comprises a hydraulic rod (2), an upper plate (4) and a pull rod (3), the hydraulic rods (2) are respectively and fixedly connected to four corners of the mounting plate (1), the upper plate (4) is fixedly connected to the upper ends of the hydraulic rods (2), the pull rod (3) is in an L-shaped arrangement, and the upper ends of the pull rods are fixedly connected to the upper plate (4).

3. A self-ejecting injection mould according to claim 2, characterized in that one of the hydraulic rods (2) is fixedly connected with a closed cavity (18), a piston plate (17) is slidably connected in the closed cavity (18), and the piston plate (17) is fixedly connected with the pull rod (3).

4. A self-ejecting injection mold according to claim 3, wherein the lower end of the moving plate (5) is fixedly connected with a water collecting cavity (15), and a water inlet pipe (16) is fixedly communicated between the water collecting cavity (15) and the closed cavity (18).

5. The self-ejection injection mold according to claim 4, wherein a water tank (9) is fixedly connected to the mounting plate (1), a connecting pipe (10) is fixedly communicated between the water tank (9) and the closed cavity (18), a return pipe (8) is fixedly communicated between the water tank (9) and the water collecting cavity (15), and one-way valves are respectively arranged on the connecting pipe (10) and the return pipe (8).

6. The self-ejection injection mold according to claim 2, wherein an upper mold (6) is fixedly connected to the lower end of the upper plate (4), and a cushion block (14) is fixedly connected to the lower mold (7).