Inner side injection mold

By designing the sliding mechanism of the inner injection molding mold, the problem of frequent sliding sliding in the existing technology in the existing technology is solved, and the demolition efficiency of the workpiece and the practicality of the injection molding mold are improved.

CN222406891UActive Publication Date: 2025-01-28SUZHOU XIERLIN MASCH TECH CO LTD
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Patent Information

Application Number
CN202323463417.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-19
Publication Date
2025-01-28
Estimated Expiration
2033-12-19

AI Technical Summary

Technical Problem

During the demolding process, existing injection molds need to drive the mold kernel to slide multiple times to stay away from the molded workpiece, resulting in low disassembly efficiency of workpieces.

Method used

Design an inner injection molding mold. Through the cooperation of upper molds, lower molds, formation cavity, cover plates, transmission parts, and reset parts, the adaptive block and suitable block sliding are drove to relieve the restrictions of the workpiece, so as to facilitate the disassembly of the workpiece.

Benefits of technology

It improves the disassembly efficiency of workpieces, enhances the practicality of injection molding molds, and meets the needs of workpieces for molding and disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and particularly discloses an inner side injection mold which comprises an upper mold and a lower mold, a forming cavity for forming a workpiece is formed between the upper mold and the lower mold, and a forming seat is mounted in the forming cavity; a covering plate is slidably connected to the forming base, an adaptive block is slidably connected to the side wall of the forming cavity, and an adaptive block is slidably connected to the other side of the forming cavity. A connecting assembly connected with the covering plate is arranged in the upper mold, and when the upper mold is separated from the lower mold, the connecting assembly drives the covering plate to be separated from the forming base. In the separation process, the transmission piece drives the adaptive block to slide towards the side away from the workpiece, meanwhile, the adaptive block is driven to slide towards the side away from the workpiece in the process that the elastic deformation is recovered through the reset piece after the limitation is unlocked, limitation of the workpiece is relieved, the workpiece can be conveniently detached from the forming cavity, the workpiece detaching efficiency can be improved, and the labor intensity of workers is reduced. And the practicability of the injection mold is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an inner injection mold. Background Art

[0002] Automotive plastic parts are usually molded by cooling with an injection mold. The injection mold is a common manufacturing tool that is mainly used to manufacture plastic injection molded products. It is composed of high-precision molds and mold holders, and is used to manufacture plastic products of various shapes and sizes. The design and manufacture of injection molds require a high degree of precision and technical level. This is because the injection molded plastic products must meet precise size and shape requirements and must have high-quality surface and dimensional accuracy.

[0003] In the prior art, in order to meet the needs of the workpiece, a plurality of mold cores of different models are usually placed in the injection mold process to injection mold the required workpiece. However, after injection molding and cooling molding, when demolding is required, the prior art requires driving the mold core placed on the mold to slide several times to move away from the molded workpiece before the workpiece can be taken out, which has certain shortcomings. Utility Model Content

[0004] The purpose of the utility model is to provide an inner injection mold to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an inner injection mold, comprising an upper mold and a lower mold, a molding cavity for molding a workpiece is opened between the upper mold and the lower mold, and a molding seat is installed inside the molding cavity; a covering plate is slidably connected to the molding seat, an adapter block is also slidably connected to the side wall of the molding cavity, and an adaptation block is also slidably connected to the other side of the molding cavity; a connecting component connected to the covering plate is arranged in the upper mold, and when the upper mold is separated from the lower mold, the covering plate is driven to separate from the molding seat by the connecting component, and the adaptation block is driven to slide away from the workpiece by the transmission member, and at the same time, the adaptation block is driven to slide to the side away from the workpiece by the reset member.

[0006] Furthermore, the connecting assembly includes an adjusting plate fixedly connected to the covering plate, and the adjusting plate is installed on the upper mold through a driving rod.

[0007] Furthermore, a forming block is also provided on the adjustment plate, the forming block is installed in the forming cavity, and the forming block is installed on the driving rod through a pressing block.

[0008] Furthermore, a first straight rail is fixedly connected inside the lower mold, and a clamping block is slidably connected to the first straight rail. An inclined guide rail is also provided inside the lower mold, and the clamping block is slidably connected to the inclined guide rail. The clamping block is connected to the upper mold through a connecting rod; when the upper mold slides toward the side close to the lower mold, the connecting rod drives the clamping block to slide on the inclined guide rail, and the clamping block abuts against the adapter block, thereby driving the adapter block to slide toward the side close to the molding cavity.

[0009] Furthermore, the reset member includes a reset spring, a mounting groove is provided inside the adapter block, and the reset spring is installed between the adapter block and the forming seat through the mounting groove.

[0010] Furthermore, the transmission member includes a second straight rail installed on the lower mold, an adjustment block is slidably connected to the second straight rail, the adjustment block is fixedly connected to the adaptation block, the adjustment plate is fixedly connected to the tilting column, and the adjustment block is slidably connected to the tilting column.

[0011] Compared with the prior art, the beneficial effect of the utility model is that the inner injection mold, through the cooperation between the upper mold, the lower mold, the molding cavity, the covering plate, the transmission part and the reset part, when using the injection mold, drives the upper mold and the lower mold to close the mold, and then injects the raw material into the molding cavity. After cooling and molding, the upper mold and the lower mold are driven to separate. During the separation process, the transmission part drives the adaptation block to slide to the side away from the workpiece. At the same time, after unlocking the restriction, the adaptation block is driven to slide to the side away from the workpiece during the process of restoring elastic deformation through the reset part, thereby releasing the restriction on the workpiece and facilitating the removal of the workpiece from the molding cavity, thereby improving the workpiece disassembly efficiency, further improving the practicality of the injection mold, and meeting work needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0013] Figure 1 The overall structural diagram provided for the embodiment of the utility model;

[0014] Figure 2 A schematic diagram of the internal structure of the lower mold provided by an embodiment of the utility model;

[0015] Figure 3 A schematic diagram of the structure of the upper mold in hidden state provided by an embodiment of the utility model;

[0016] Figure 4 A schematic diagram of the structure of the position of the molding cavity provided in the embodiment of the utility model;

[0017] Figure 5 A schematic diagram of a partial cross-sectional structure of a lower mold provided in an embodiment of the utility model;

[0018] Figure 6 A schematic diagram of the state structure of the adjustment component provided in an embodiment of the utility model;

[0019] Figure 7 A schematic diagram of a partial structure of an adjustment component provided in an embodiment of the utility model;

[0020] Figure 8 A schematic diagram of a workpiece structure provided in an embodiment of the utility model.

[0021] Explanation of the accompanying drawings: 1. lower mold; 2. upper mold; 3. molding cavity; 4. adjustment plate; 5. molding seat; 6. covering plate; 7. driving rod; 8. pressing block; 9. molding block; 10. tightening block; 11. inclined guide rail; 12. adapter block; 13. return spring; 14. first straight rail; 15. second straight rail; 16. adaptation block; 17. adjustment block; 18. tilting column; 19. workpiece. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-8 The utility model provides a technical solution: an inner injection mold, comprising an upper mold 2 and a lower mold 1, a molding cavity 3 for molding a workpiece 19 is opened between the upper mold 2 and the lower mold 1, and a molding seat 5 is installed inside the molding cavity 3; a covering plate 6 is slidably connected to the molding seat 5, an adaptor block 12 is also slidably connected to the side wall of the molding cavity 3, and an adaptor block 16 is also slidably connected to the other side of the molding cavity 3; a connecting component connected to the covering plate 6 is arranged in the upper mold 2, and when the upper mold 2 is separated from the lower mold 1, the covering plate 6 is driven to separate from the molding seat 5 by the connecting component, and the adaptor block 16 is driven to slide away from the workpiece 19 by the transmission member, and at the same time, the adaptor block 12 is driven to slide to the side away from the workpiece 19 by the reset member.

[0024] Specifically, the inner injection mold includes an upper mold 2 and a lower mold 1, and specifically, also includes a mold frame. The upper mold 2 and the lower mold 1 are usually used in conjunction with the mold frame, and the use effect is good. A molding cavity 3 for molding a workpiece 19 is provided between the upper mold 2 and the lower mold 1, and a molding seat 5 is installed inside the molding cavity 3. A covering plate 6 is slidably connected to the molding seat 5, an adapter block 12 is also slidably connected to the side wall of the molding cavity 3, and an adaptation block 16 is also slidably connected to the other side of the molding cavity 3, all of which are used for injection molding the workpiece 19. A connecting component connected to the covering plate 6 is provided in the upper mold 2. When the upper mold 2 is separated from the lower mold 1, the covering plate 6 is driven to separate from the molding seat 5 by the connecting component, and the adaptation block 16 is driven to slide away from the workpiece 19 by the transmission member, and the adaptation block 12 is driven to slide to the side away from the workpiece 19 by the reset member. Specifically, when using the injection mold, the upper mold 2 and the lower mold 1 are driven to close the mold, and then the raw material is injected into the molding cavity 3. After cooling and molding, the upper mold 2 and the lower mold 1 are driven to separate. During the separation process, the adaptation block 16 is driven by the transmission member to slide toward the side away from the workpiece 19. At the same time, the adaptation block 12 is driven to slide toward the side away from the workpiece 19 in the process of restoring elastic deformation through the reset member after unlocking the restriction, thereby releasing the restriction on the workpiece 19 and facilitating the removal of the workpiece 19 from the molding cavity 3, thereby improving the removal efficiency of the workpiece 19, further improving the practicability of the injection mold, and meeting work needs.

[0025] In the embodiment provided by the utility model, the connecting assembly includes an adjusting plate 4 fixedly connected to the covering plate 6, and the adjusting plate 4 is installed on the upper mold 2 through a driving rod 7, so that the adjusting plate 4 can be driven to slide by the driving rod 7, and the use effect is good.

[0026] In the embodiment provided by the utility model, a forming block 9 is further provided on the adjustment plate 4 , the forming block 9 is installed in the forming cavity 3 , and the forming block 9 is installed on the driving rod 7 through the pressing block 8 , which can facilitate the forming operation of the workpiece 19 .

[0027] In the embodiment provided by the utility model, a first straight rail 14 is fixedly connected inside the lower mold 1, a clamping block 10 is slidably connected to the first straight rail 14, an inclined guide rail 11 is also provided inside the lower mold 1, the clamping block 10 is slidably connected to the inclined guide rail 11, and the clamping block 10 is connected to the upper mold 2 through a connecting rod; when the upper mold 2 slides toward the side close to the lower mold 1, the connecting rod drives the clamping block 10 to slide on the inclined guide rail 11, and the clamping block 10 abuts against the adapter block 12, driving the adapter block 12 to slide toward the side close to the molding cavity 3, so as to facilitate the molding of the workpiece 19 and meet the working needs.

[0028] In the embodiment provided by the utility model, the reset member includes a reset spring 13, and an installation groove is opened inside the adapter block 12. The reset spring 13 is installed between the adapter block 12 and the forming seat 5 through the installation groove. Therefore, when the upper mold 2 is separated from the lower mold 1, the abutment block releases the restriction on the adapter block 12. At this moment, the reset spring 13 drives the adapter block 12 to slide during the process of restoring elastic deformation, unlocking the workpiece 19, and the use effect is good.

[0029] In the embodiment provided by the utility model, the transmission member includes a second straight rail 15 installed on the lower mold 1, an adjustment block 17 is slidably connected to the second straight rail 15, the adjustment block 17 is fixedly connected to the adaptation block 16, and the adjustment plate 4 is fixedly connected to the inclined column 18. The adjustment block 17 is slidably connected to the inclined column 18. Therefore, when the adjustment plate 4 slides vertically, the adjustment block 17 is driven to slide by the inclined column 18 to meet the working needs.

[0030] It should be noted that the electrical equipment involved in this application can be powered by batteries or external power supply.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inner injection mold, comprising an upper mold (2) and a lower mold (1), characterized in that: A molding cavity (3) for molding a workpiece (19) is provided between the upper mold (2) and the lower mold (1), and a molding seat (5) is installed inside the molding cavity (3); A covering plate (6) is slidably connected to the molding seat (5), an adapting block (12) is slidably connected to the side wall of the molding cavity (3), and an adapting block (16) is slidably connected to the other side of the molding cavity (3); The upper mold (2) is provided with a connecting assembly connected to the covering plate (6). When the upper mold (2) is separated from the lower mold (1), the connecting assembly drives the covering plate (6) to separate from the forming seat (5). The adapting block (16) is driven to slide away from the workpiece (19) by the transmission member, and the adapting block (12) is driven to slide to the side away from the workpiece (19) by the reset member.

2. An inner injection mold according to claim 1, characterized in that: The connection assembly comprises an adjustment plate (4) fixedly connected to a cover plate (6); the adjustment plate (4) is mounted on the upper mold (2) via a driving rod (7).

3. An inner injection mold according to claim 2, characterized in that: The adjustment plate (4) is also provided with a forming block (9), the forming block (9) is installed in the forming cavity (3), and the forming block (9) is installed on the driving rod (7) through a pressing block (8).

4. The inner injection mold according to claim 1, characterized in that: A first straight rail (14) is fixedly connected inside the lower mold (1), a pressing block (10) is slidably connected to the first straight rail (14), an inclined guide rail (11) is also provided inside the lower mold (1), the pressing block (10) is slidably connected to the inclined guide rail (11), and the pressing block (10) is connected to the upper mold (2) via a connecting rod; When the upper mold (2) slides toward the side close to the lower mold (1), the connecting rod drives the abutting block (10) to slide on the inclined guide rail (11), and the abutting block (10) abuts against the adapting block (12), thereby driving the adapting block (12) to slide toward the side close to the molding cavity (3).

5. The inner injection mold according to claim 4, characterized in that: The reset member comprises a reset spring (13). A mounting groove is provided inside the adapter block (12). The reset spring (13) is installed between the adapter block (12) and the forming seat (5) through the mounting groove.

6. The inner injection mold according to claim 2, characterized in that: The transmission member comprises a second straight rail (15) mounted on the lower mould (1), an adjusting block (17) being slidably connected to the second straight rail (15), an adjusting block (17) being fixedly connected to the adapting block (16), an inclined column (18) being fixedly connected to the adjusting plate (4), and the adjusting block (17) being slidably connected to the inclined column (18).