Large shell front mold half block mold

By adopting a four-directional moving Haver block structure and spring drive in the Haver block mold of the large shell front mold, the problem of difficult demoulding of large shell plastic parts is solved, and efficient demoulding and miniaturized mold design are achieved.

CN223431930UActive Publication Date: 2025-10-14JINGMU ZHUHAI
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Patent Information

Application Number
CN202422991631.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-14
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

During the injection molding of large plastic shell parts, there are many undercuts on the entire side wall, which makes demolding difficult. The existing technology cannot meet the high appearance requirements.

Method used

The Hover block structure that moves in four directions is adopted and combined with spring drive to simplify the mold structure. The movable Hover block moves along the guide groove at the moment the mold is opened to achieve efficient demoulding.

Benefits of technology

It improves demoulding efficiency, reduces the size of molds and injection molding machines, and meets the demoulding needs of high appearance requirements.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a large shell front mold half block mold, which relates to the technical field of injection molds, and comprises a front mold seat, a front mold block, a rear mold block, a rear mold plate and a rear mold seat which are sequentially arranged from top to bottom, needle valve hot runners are arranged in the front mold seat and the front mold block, a concave mold is further arranged in the front mold block, and the rear mold plate is arranged in the rear mold seat. A male die is arranged in the rear die block and the rear die plate. The front mold adopts a drawing and inserting structure of four half blocks, the mold structure is simplified, compared with a conventional rear mold core-pulling structure, the size of the sliding block can be smaller, the size of an injection molding machine table can also be smaller, the device adopts the half block structure moving in four directions, the spring is arranged for matching, and when the mold is opened, the sliding block can be inserted into the injection molding machine table. Under the driving of the spring force, the movable half block moves along the guide sliding groove in the movable half block, and when the movable half block moves to a certain distance, a product can completely retreat from a mold forming cavity and can be smoothly ejected out for demolding, so that the demolding efficiency of the device is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a big shell front mould harper block mould. BACKGROUND

[0002] At present, when carrying out injection molding of rubber products, in order to facilitate the rubber product from injection mold, generally adopt harper structure mould in injection molding rubber product.

[0003] In the utility model of Chinese patent announcement good for CN219153614U, a kind of novel harper block mould is proposed compared with prior art, the novel harper block mould, when needing to open mould, pull the first harper block mould of front end, under the cooperation of positioning mechanism, each first harper block mould and second harper block mould can be separated, to facilitate the finished product between two harper block moulds to be taken out, while the existence of positioning mechanism eliminates the secondary installation error after harper block single piece mold opening, reduces the risk of labor intensity and mold damage.

[0004] However, when facing the injection molding of large shell plastic parts, there are many reverse buckles in the whole circle side wall, and the plastic has high appearance requirements, so it is difficult to demold from the mold opening direction. Therefore, the utility model provides a large shell front mould harper block mould. UTILITY MODEL CONTENT

[0005] TECHNICAL PROBLEM SOLVED

[0006] The purpose of the utility model is to make up for the deficiency of prior art, and provide a large shell front mould harper block mould.

[0007] TECHNICAL SCHEME

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a big shell front mould harver block mould, including from top to bottom once setting's front mould base, front module, rear module, rear template and rear mould base, the inside of front mould base and front module is provided with needle valve hot runner, the inside of front module still is provided with female die, the inside of rear module and rear template is provided with male die, four harver block's pull -out structure of structure is provided with on the front mould base, the harver block includes fixed harver block and movable harver block, the fixed harver block fixed mounting is in front module, the movable harver block is through spring movable installation in front module, and the movable harver block is connected with fixed harver block slidingly, in front mould four harver block's pull -out structure, mould structure is simplified, compared with the conventional rear mould core -pulling structure, the size of the slider can be smaller, and the size of injection molding machine table can be smaller, and the device adopts four direction movement's harver block structure, and sets up spring and cooperates, in the moment of mould opening, under the driving of spring force, movable harver block moves along its inside guide sliding groove, when moving to certain distance, product can completely exit mould forming cavity, and product can be smoothly ejected and demoulded, thereby the demoulding efficiency of the device is high.

[0009] Preferably, the female die is composed of four equal parts, and each part of the female die is fixedly connected with an active harver block.

[0010] Preferably, the male die is internally provided with a cooling channel.

[0011] Preferably, the front mould base is fixedly connected with a plurality of hanging rings on one side.

[0012] Preferably, the female die and the male die form a mould forming cavity therebetween, and the mould forming cavity is in communication with the needle valve hot runner.

[0013] Preferably, the front module is further fixedly connected with a mounting guide post movably connected with the active harver block, and the spring is sleeved on the mounting guide post.

[0014] Preferably, the active harver block is internally provided with a guide hole for mounting the mounting guide post and the spring.

[0015] Beneficial effects:

[0016] Compared with the prior art, the big shell front mould harver block mould has the following beneficial effects:

[0017] The utility model discloses a four-harver block structure is used in the front mould, and the mould structure is simplified, compared with the conventional back mould core-pulling structure, the size of the slider can be smaller, and the size of injection molding machine table can be smaller, and the device adopts four direction movement's harver block structure, and sets up the spring and cooperates, in the mould opening moment, under the driving of spring force, the along its inside guide sliding slot of movable harver block is moved, when moving to certain distance product can completely exit the mould forming cavity, and product can be smoothly ejected and demoulded, and the device demoulding efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description is only some embodiments of the utility model, and for ordinary skilled person in the art, under the premise of not paying the creative labor, other drawings can also be obtained according to these drawings.

[0019] Fig. 1 It is the structure schematic diagram of the utility model;

[0020] Fig. 2 It is the structure schematic diagram of the utility model;

[0021] Fig. 3 It is the structure schematic diagram of the utility model.

[0022] In the drawing:

[0023] 1, front mould base;2, front module;3, rear module;4, rear mould plate;5, rear mould base;6, needle valve hot runner;7, concave die;8, convex die;9, harver block;10, spring;11, cooling channel;12, hanging ring;13, mould forming cavity;901, fixed harver block;902, movable harver block;201, mounting guide pillar. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiment of the utility model will be clearly and completely described in the following by combining the drawings in the embodiment of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0025] Please refer to Figs. 1-3The utility model provides a technical scheme: a big shell front mould Hafer block mould, including from top to bottom once setting's front mould base 1, front module 2, rear module 3, rear template 4 and rear mould base 5, the inside of front mould base 1 and front module 2 is provided with needle valve hot runner 6, the inside of front module 2 is also provided with female die 7, the inside of rear module 3 and rear template 4 is provided with male die 8, four Hafer block 9's pull -out structure of structure is set up on front mould base 1, Hafer block 9 includes fixed Hafer block 901 and movable Hafer block 902, fixed Hafer block 901 is fixedly installed in front module 2, movable Hafer block 902 is movably installed in front module 2 through spring 10, and movable Hafer block 902 is slidably connected with fixed Hafer block 901, in the four Hafer block's pull -out structure of front mould, mould structure is simplified, compared with the conventional rear mould core-pulling structure, the size of the slider can be smaller, and the size of the injection molding machine can also be smaller, and the device adopts four direction movement's Hafer block structure, and sets up spring and cooperates, in the moment of mould opening, under the driving of spring force, movable Hafer block 902 moves along the guide sliding groove in its inside, when moving to certain distance, product can completely exit mould forming cavity 13, and product can be smoothly ejected and demoulded, to make the demoulding efficiency of the device high.

[0026] Please refer to Fig. 2 and Fig. 3 , the female die 7 is composed of four equal parts, each part of the female die 7 is fixedly connected with an active Hafer block 902, the front module 2 is also fixedly connected with a mounting guide pillar 201 which is movably connected with the active Hafer block 902, the spring 10 is sleeved on the mounting guide pillar 201, and the active Hafer block 902 is internally provided with a guide hole for mounting the mounting guide pillar 201 and the spring 10.

[0027] Please refer to Fig. 1 and Fig. 2 , the male die 8 is internally provided with a cooling channel 11, one side of the front mould base 1 is fixedly connected with a hanging ring 12, the number of the hanging rings 12 is multiple, the female die 7 and the male die 8 form a mould forming cavity 13 therebetween, and the mould forming cavity 13 is in communication with the needle valve hot runner 6.

[0028] Working principle: in the four Hafer block's pull -out structure of front mould, mould structure is simplified, compared with the conventional rear mould core-pulling structure, the size of the slider can be smaller, and the size of the injection molding machine can also be smaller, and the device adopts four direction movement's Hafer block structure, and sets up spring and cooperates, in the moment of mould opening, under the driving of spring force, movable Hafer block 902 moves along the guide sliding groove in its inside, when moving to certain distance, product can completely exit mould forming cavity 13, and product can be smoothly ejected and demoulded, to make the demoulding efficiency of the device high.

[0029] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0030] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A large housing front mold Haversian block mold, comprising a front mold base (1), a front module (2), a rear module (3), a rear template (4) and a rear mold base (5) arranged one by one from top to bottom, characterized in that: The front mold base (1) and the front module (2) are provided with a needle valve hot runner (6), the front module (2) is further provided with a concave mold (7), the rear module (3) and the rear template (4) are provided with a convex mold (8), and the front mold base (1) is provided with a plug-in structure of four Haversian blocks (9), the Haversian blocks (9) include a fixed Haversian block (901) and a movable Haversian block (902), the fixed Haversian block (901) is fixedly installed in the front module (2), the movable Haversian block (902) is movably installed in the front module (2) via a spring (10), and the movable Haversian block (902) is slidably connected to the fixed Haversian block (901).

2. The large housing front mold Haval block mold according to claim 1, characterized in that: The die (7) is composed of four equally divided parts, and each part of the die (7) is fixedly connected to a movable Haversian block (902).

3. The large housing front mold Haval block mold according to claim 1, characterized in that: A cooling channel (11) is provided inside the male mold (8).

4. The large housing front mold Haval block mold according to claim 1, characterized in that: One side of the front mold base (1) is fixedly connected with a hanging ring (12), and the number of the hanging rings (12) is multiple.

5. The large housing front mold Haval block mold according to claim 1, characterized in that: A mold forming cavity (13) is formed between the concave mold (7) and the convex mold (8), and the mold forming cavity (13) is connected to the needle valve hot runner (6).

6. The large housing front mold Haval block mold according to claim 1, characterized in that: The front module (2) is also fixedly connected to a mounting guide column (201) that is movably connected to the movable Haversian block (902), and the spring (10) is sleeved on the mounting guide column (201).

7. The large housing front mold Haval block mold according to claim 1, characterized in that: The movable Haversian block (902) is provided with a guide hole inside for installing the guide column (201) and the spring (10).

Citation Information

Patent Citations

  • Novel half block mold

    CN219153614U