CN220464629U

CN220464629U - Injection mold convenient to demolding

Info

Publication number: CN220464629U
Application number: CN202321823476.6U
Authority: CN
Inventors: 李平
Original assignee: Shenzhen Mayor Dexin Plastic Mould Co ltd
Current assignee: Shenzhen Mayor Dexin Plastic Mould Co ltd
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-02-09
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to the technical field of injection molds, in particular to an injection mold convenient to demold, which comprises a support frame, a movable mold and a fixed mold, wherein an injection port is formed in the fixed mold, a telescopic rod is connected in the support frame in a sliding manner, a fixed plate is fixedly arranged at the end of the telescopic rod, a first thimble is fixedly arranged on the surface of the fixed plate, a first round rod is fixedly arranged on the surface of the fixed plate, a movable plate is connected on the surface of the first round rod in a sliding manner, a second thimble is fixedly arranged on the surface of the movable plate, a round groove is formed in the surface of the movable mold, a second round rod is fixedly arranged at the end of the first round rod, and the diameter of the second round rod is larger than that of the first round rod. According to the utility model, the first ejector pin and the second ejector pin are used for carrying out secondary ejection demolding on the die, so that the demolding process becomes rapid, the demolding efficiency is improved, and meanwhile, the working efficiency is improved.

Description

Injection mold convenient to demolding

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold with convenient demolding.

Background

The injection mold is a tool for producing plastic products; is also a tool for endowing plastic products with complete structure and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a mold cavity at high pressure by an injection molding machine, and after cooling and solidification, a formed product is obtained, and in the using process of the existing injection molding mold, the injection molding mold needs to be subjected to demolding after injection molding, so that the injection molding part is separated from a forming mold, and in the demolding process of the general injection molding mold, the injection molding part is not easy to separate in the demolding process, so that the use is very inconvenient, and the improvement is needed.

Disclosure of Invention

The present utility model is directed to solving the technical problems set forth in the background art.

The utility model adopts the following technical scheme: the utility model provides a convenient injection mold of drawing of patterns, includes support frame, movable mould and cover half, the mouth of moulding plastics has been seted up to the inside of cover half, the inside sliding connection of support frame has the telescopic link, the end fixed mounting of telescopic link has the fixed plate, the fixed plate's surface fixed mounting has first thimble, the fixed plate's surface fixed mounting has first round bar, the surface sliding connection of first round bar has the fly leaf, the surface fixed mounting of fly leaf has the second thimble.

Preferably, the surface of the movable mould is provided with a circular groove, the end head of the first circular rod is fixedly provided with a second circular rod, and the diameter of the second circular rod is larger than that of the first circular rod. Here, by sliding in the circular groove using the second circular rod, the ejector pin can be conveniently inserted into the pinhole.

Preferably, a boss is arranged in the support frame, and the movable plate is positioned on the surface of the boss. Here, the movable plate can be limited by the adaptation boss.

Preferably, a first pinhole is formed on the surface of the movable plate, and the position of the first pinhole corresponds to the position of the first thimble. The first needle hole can be used for enabling the first thimble to penetrate through the movable plate, so that the first thimble and the second thimble can be matched for use.

Preferably, a second pinhole is formed in the surface of the movable die, and the position of the second pinhole corresponds to the positions of the first thimble and the second thimble. Here, can conveniently carry out the drawing of patterns to the mould through utilizing first thimble and second thimble.

Preferably, a chute is formed in the support frame, a buffer plate is connected to the chute in a sliding mode, and a spring is fixedly arranged on the surface of the buffer plate. Here, through using the buffer board can carry out buffer protection to the fixed plate, avoid the fixed plate to produce excessive collision with the support frame support.

Preferably, the surface of the buffer plate is provided with a round hole, and the telescopic rod is in sliding connection with the inside of the round hole. Here, can make things convenient for telescopic link to carry out flexible removal in the inside of support frame through utilizing the round hole.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the fixed plate, the first ejector pin, the second ejector pin, the first round rod, the second round rod and the movable plate structure are arranged, so that when the injection mold is in use, the first ejector pin can be used for performing first demolding on the mold, and then the movable plate is extruded by the fixed plate, so that the movable plate drives the second ejector pin to perform second demolding, and by using the second demolding, the molding mold on the movable mold can be conveniently dropped, the demolding efficiency is improved, and meanwhile, the working efficiency is improved.

2. According to the utility model, through arranging the chute, the buffer plate, the spring and the round hole structure, the buffer plate is utilized to protect the fixing plate and the supporting frame, so that collision between the fixing plate and the supporting frame after demoulding is finished is avoided, the supporting frame and the fixing plate are damaged, and the service life of the die is reduced.

Drawings

FIG. 1 is a schematic diagram of an injection mold with convenient demolding;

FIG. 2 is a schematic diagram of a movable plate of an injection mold with convenient demolding;

FIG. 3 is a schematic view of a support frame of an injection mold with convenient demolding;

fig. 4 is a schematic diagram of a buffer plate of an injection mold with convenient demolding.

Legend description:

1. a support frame; 2. a movable mold; 3. a fixed mold; 4. an injection molding port; 5. a telescopic rod; 6. a fixing plate; 7. a first thimble; 8. a first round bar; 9. a movable plate; 10. a second thimble; 11. a circular groove; 12. a second round bar; 13. a boss; 14. a first pinhole; 15. a second pinhole; 16. a chute; 17. a buffer plate; 18. a spring; 19. and a round hole.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: the injection mold convenient to demolding comprises a support frame 1, a movable mold 2 and a fixed mold 3, wherein an injection molding opening 4 is formed in the fixed mold 3, a telescopic rod 5 is connected in the support frame 1 in a sliding manner, a fixed plate 6 is fixedly arranged at the end of the telescopic rod 5, a first thimble 7 is fixedly arranged on the surface of the fixed plate 6, a first round rod 8 is fixedly arranged on the surface of the fixed plate 6, a movable plate 9 is connected on the surface of the first round rod 8 in a sliding manner, a boss 13 is arranged in the support frame 1, the movable plate 9 is positioned on the surface of the boss 13, a second thimble 10 is fixedly arranged on the surface of the movable plate 9, a circular groove 11 is formed in the surface of the movable mold 2, a second round rod 12 is fixedly arranged at the end of the first round rod 8, the diameter of the second round rod 12 is larger than that of the first round rod 8, a first pinhole 14 is formed in the surface of the movable plate 9, the position of the first pinhole 14 corresponds to the position of the first thimble 7, the surface of the movable mould 2 is provided with a second pinhole 15, the position of the second pinhole 15 corresponds to the positions of the first ejector pin 7 and the second ejector pin 10, when the injection mould is used, the support frame 1, the movable mould 2 and the fixed mould 3 are assembled, then plastic liquid enters the mould through the injection opening 4, the movable mould 2 is attached to the fixed mould 3, so that the mould is formed, after the mould is formed, the mould needs to be demolded, at this time, the support frame 1 and the movable mould 2 are far away from the fixed mould 3, then the telescopic rod 5 drives the fixed plate 6 to move, then the fixed plate 6 drives the first round rod 8 to move, then the first round rod 8 drives the second round rod 12 to move, so that the second round rod 12 interacts in the round groove 11, then the fixed plate 6 drives the first ejector pin 7 to move through the first pinhole 14, then the first ejector pin 7 carries out primary demolding on the movable mould 2, when fixed plate 6 removes the in-process for first round bar 8 slides in fly leaf 9's inside, then fixed plate 6 and fly leaf 9 laminating, then make fixed plate 6 extrude fly leaf 9, make fixed plate 6 drive fly leaf 9 remove, then fly leaf 9 drive second thimble 10 carry out the secondary drawing of patterns to movable mould 2, through utilizing the secondary drawing of patterns, can conveniently make the shaping mould that is on movable mould 2 drop, improve the efficiency of drawing of patterns, work efficiency has been improved simultaneously, after the drawing of patterns process is accomplished, telescopic link 5 drives fixed plate 6 and retrieves, then fixed plate 6 drives first round bar 8 and second round bar 12 and resets, when second round bar 12 and fly leaf 9 contact, second round bar 12 drives fly leaf 9 and resets, make first thimble 7 break away from movable mould 2 with second thimble 10, be convenient for follow-up reuse injection mold.

Example two

Referring to fig. 3-4, a chute 16 is formed in the support frame 1, a buffer plate 17 is slidably connected in the chute 16, a spring 18 is fixedly mounted on the surface of the buffer plate 17, a round hole 19 is formed in the surface of the buffer plate 17, a telescopic rod 5 is slidably connected in the round hole 19, after the demolding process is finished, the fixing plate 6 is recovered through the telescopic rod 5, at this time, the fixing plate 6 slides in the support frame 1, then the fixing plate 6 contacts with the buffer plate 17, the fixing plate 6 extrudes the buffer plate 17, then the buffer plate 17 slides in the chute 16, then the buffer plate 17 extrudes the spring 18, the fixing plate 6 is buffered by utilizing the elastic force of the spring 18, collision between the fixing plate 6 and the support frame 1 is reduced, the fixing plate 6 and the support frame 1 are protected, and the service life of a mold is prolonged.

Working principle: when an injection mold is used, the support frame 1, the movable mold 2 and the fixed mold 3 are assembled, then plastic liquid enters the mold through the injection port 4, the movable mold 2 is attached to the fixed mold 3, the mold is molded, the mold is required to be demolded after being molded, at this time, the support frame 1 and the movable mold 2 are far away from the fixed mold 3, the fixed plate 6 is driven by the telescopic rod 5 to move, the first round rod 8 is driven by the fixed plate 6 to move, the second round rod 12 is driven by the first round rod 8 to move, the second round rod 12 is made to interact in the round groove 11, the first ejector pin 7 is driven by the fixed plate 6 to pass through the first pinhole 14, then the movable mold 2 is subjected to first demolding, the first round rod 8 slides in the movable plate 9 when the fixed plate 6 moves, the fixed plate 6 is attached to the movable plate 9, the movable plate 9 is extruded, the movable plate 6 is driven by the movable plate 9 to move, the second ejector pin 10 is driven by the movable plate 9 to move, the second ejector pin 2 is driven by the movable plate 10 to move, the movable plate 2 is driven by the movable plate 12, the movable plate 2 is convenient to recover the second ejector pin, the movable plate is recovered by the movable plate 6 after the movable plate 6 is driven by the telescopic rod 12 to move, the movable plate 6 is recovered, the movable plate is moved by the movable plate 6, the movable plate is recovered by the movable plate 6, the movable plate is moved by the movable plate 6, the movable plate 6 is convenient to move the movable plate 6, the movable plate is recovered by the movable plate 6, and the movable plate is contacted with the movable plate 6 in the movable plate 6, and the movable plate is subjected to move by the movable plate 6, and the movable plate 9 is convenient to move, and the movable plate is moved by the movable plate 9, the fixed plate 6 contacts the buffer plate 17 afterwards, so that the fixed plate 6 extrudes the buffer plate 17, the buffer plate 17 slides in the chute 16 afterwards, the buffer plate 17 extrudes the spring 18 afterwards, the fixed plate 6 is buffered by utilizing the elasticity of the spring 18, the collision between the fixed plate 6 and the support frame 1 is reduced, the fixed plate 6 and the support frame 1 are protected, and the service life of the die is prolonged.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides a convenient injection mold of drawing of patterns, includes support frame (1), movable mould (2) and cover half (3), its characterized in that: injection molding mouth (4) have been seted up to the inside of cover half (3), the inside sliding connection of support frame (1) has telescopic link (5), the end fixed mounting of telescopic link (5) has fixed plate (6), the fixed surface of fixed plate (6) installs first thimble (7), the fixed surface of fixed plate (6) installs first round bar (8), the surface sliding connection of first round bar (8) has fly leaf (9), the fixed surface of fly leaf (9) installs second thimble (10).

2. The injection mold convenient and fast to release according to claim 1, wherein: the surface of the movable die (2) is provided with a circular groove (11), the end head of the first circular rod (8) is fixedly provided with a second circular rod (12), and the diameter of the second circular rod (12) is larger than that of the first circular rod (8).

3. The injection mold convenient and fast to release according to claim 1, wherein: the inside of support frame (1) is provided with boss (13), fly leaf (9) are located the surface of boss (13).

4. The injection mold convenient and fast to release according to claim 1, wherein: the surface of the movable plate (9) is provided with a first pinhole (14), and the position of the first pinhole (14) corresponds to the position of the first thimble (7).

5. The injection mold convenient and fast to release according to claim 1, wherein: the surface of the movable die (2) is provided with a second pinhole (15), and the position of the second pinhole (15) corresponds to the positions of the first thimble (7) and the second thimble (10).

6. The injection mold convenient and fast to release according to claim 1, wherein: the inside of support frame (1) has seted up spout (16), the inside sliding connection of spout (16) has buffer board (17), the surface fixed mounting of buffer board (17) has spring (18).

7. The injection mold convenient and fast to release according to claim 6, wherein: round holes (19) are formed in the surface of the buffer plate (17), and the telescopic rods (5) are connected with the inside of the round holes (19) in a sliding mode.