Internal sliding mechanism for injection mold

CN224856274UActive Publication Date: 2026-10-16SUZHOU YAER PLASTIC TECH
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Patent Information

Application Number
CN202522357745.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-06
Publication Date
2026-10-16
Estimated Expiration
2035-11-06

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供一种注塑模具内部滑动机构,以解决现有技术中不能调节模腔内部的容积,难以满足不同厚度产品的注塑使用的问题

Benefits of technology

[0012] 1. This utility model has a stabilizing bracket that is threadedly connected to a first screw on the outside of the first mold base and the second mold base. This allows the stabilizing bracket and the inner module to be slidably adjusted by rotating the first screw, thereby adjusting the volume inside the mold cavity to meet the injection molding needs of products of different thicknesses.

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Abstract

The utility model discloses a kind of injection mould inside sliding mechanism, including first mould seat and second mould seat, the inner cavity of first mould seat and second mould seat is slidably equipped with inner module, one side of inner module is equipped with firm support, and firm support is slidably penetrated first mould seat and the first sliding hole of one end of second mould seat, the first screw thread connection of firm support one end is also with the first screw outside first mould seat and second mould seat, the outer wall of firm support is also equipped with locking mechanism, the utility model is by firm support one end is also with the first screw thread connection of first mould seat and second mould seat outside, so that by rotating first screw can be adjusted to firm support and inner module sliding, to be able to adjust the volume inside mould cavity, to meet the injection use of different thickness products in turn.
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Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to an internal sliding mechanism for injection molds. Background Technology

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of injection molding include high production speed and efficiency, automated operation, a wide variety of designs and shapes (from simple to complex), and sizes ranging from large to small. It also produces dimensionally accurate products, facilitates product updates and replacements, and can create complex shapes. Injection molding is suitable for mass production and molding processes involving complex shapes.

[0003] A prior art patent application (application number 202422408987.2) describes an internal sliding mechanism for an injection mold, comprising an upper mold, an inner mold mounted on the upper part of the upper mold, and a connecting seat fixedly connected to the upper part of the inner mold. Three evenly distributed sliders (slider 1 and slider 2) are slidably connected inside the connecting seat, and threads are fixedly connected to the upper outer sides of slider 1 and slider 2. This invention achieves automatic separation of the mold from the product simultaneously, eliminating the need for manual separation during mold separation, thus improving production efficiency. It also allows for quick disassembly when producing products of different models or sizes. Furthermore, it ensures that the mold will not detach if the corner fixings loosen during production. However, it cannot adjust the internal volume of the mold cavity, making it difficult to meet the injection molding needs of products with different thicknesses. Utility Model Content

[0004] The purpose of this invention is to provide a sliding mechanism inside an injection mold to solve the problem that the volume inside the mold cavity cannot be adjusted in the existing technology, making it difficult to meet the injection molding needs of products of different thicknesses.

[0005] To achieve the above objectives, the present invention provides the following technical solution: an internal sliding mechanism for an injection mold, comprising a first mold base and a second mold base, wherein an inner module is slidably disposed inside the mold cavity of the first mold base and the second mold base, a stabilizing bracket is provided on one side of the inner module, and the stabilizing bracket slidably passes through a first sliding hole at one end of the first mold base and the second mold base, and one end of the stabilizing bracket is also threadedly connected to a first screw outside the first mold base and the second mold base, and a locking mechanism is provided on the outer wall of the stabilizing bracket.

[0006] Furthermore, the inner module is configured as a circular block, and a sealing ring is provided on the outer side of one end of the inner module.

[0007] Furthermore, the stabilizing bracket is configured as a cylindrical bracket, and the first sliding hole is configured as an arc-shaped sliding hole.

[0008] Furthermore, the inner wall of the stabilizing bracket is also provided with a second sliding hole, which is slidably connected to the bottom of the first mold base and the second mold base.

[0009] Furthermore, the locking mechanism includes a locking bracket slidably disposed on one side of the first mold base via a limiting plate. The limiting plate has a guide sliding hole inside. One end of the locking bracket has a locking pressure plate. One end of the locking bracket is threadedly connected to a second screw outside the limiting plate. Both the second screw and the first screw have nuts at one end. One end of the second screw is rotatably connected to one side of the limiting plate via a bearing. One end of the first screw is rotatably connected to one end of the first mold base via a bearing.

[0010] Furthermore, the inner wall of the locking plate is provided with a limiting rib, which is laterally inserted into the limiting groove on the outer wall of the stabilizing bracket.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. This utility model has a stabilizing bracket that is threadedly connected to a first screw on the outside of the first mold base and the second mold base. This allows the stabilizing bracket and the inner module to be slidably adjusted by rotating the first screw, thereby adjusting the volume inside the mold cavity to meet the injection molding needs of products of different thicknesses.

[0013] 2. In this utility model, a sturdy bracket slides through a first sliding hole at one end of the first mold base and the second mold base. The sturdy bracket is configured as a cylindrical bracket, and the first sliding hole is configured as an arc-shaped sliding hole. The first sliding hole is used to guide the sliding adjustment of the sturdy bracket. Moreover, the arc-shaped first sliding hole increases the support area of ​​the sturdy bracket and the first sliding hole, which is beneficial to improving the stability of the sliding adjustment of the module at one end of the sturdy bracket.

[0014] 3. The present invention also provides a locking mechanism on the outer wall of the stabilizing bracket. The locking mechanism includes a locking bracket that is slidably disposed on one side of the first mold base via a limiting plate. One end of the locking bracket is provided with a locking pressure plate. One end of the locking bracket is threadedly connected to a second screw outside the limiting plate, so that the locking bracket can be adjusted laterally by rotating the second screw. When one end of the locking bracket is pressed against the outside of the stabilizing bracket, it is used to press and lock the stabilizing bracket that has been moved and adjusted a certain distance, which facilitates the improvement of the stability of the inner module slidingly disposed in the mold base. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2This is a schematic diagram of the first mold base structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the stable support structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the locking pressure plate structure of this utility model.

[0020] In the diagram: 1. First mold base; 2. Second mold base; 3. Sealing ring; 4. Inner module; 5. Stabilizing bracket; 6. First sliding hole; 7. Second sliding hole; 8. First screw; 9. Nut; 10. Limiting plate; 11. Second screw; 12. Locking bracket; 13. Limiting groove; 14. Locking pressure plate; 15. Limiting rib; 16. Guide sliding hole; 17. Mold cavity. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 In this embodiment of the present invention, an internal sliding mechanism for an injection mold includes a first mold base 1 and a second mold base 2. An inner module 4 is slidably provided inside the mold cavity 17 of the first mold base 1 and the second mold base 2. A stabilizing bracket 5 is provided on one side of the inner module 4, and the stabilizing bracket 5 slides through a first sliding hole 6 at one end of the first mold base 1 and the second mold base 2. One end of the stabilizing bracket 5 is also threadedly connected to a first screw 8 outside the first mold base 1 and the second mold base 2, so that the stabilizing bracket 5 and the inner module 4 can be slidably adjusted by rotating the first screw 8, thereby adjusting the volume inside the mold cavity 17 to meet the injection molding needs of products of different thicknesses.

[0023] like Figure 2 and Figure 3As shown, in order to improve the stability of the sliding adjustment of the inner module 4 at one end of the stabilizing bracket 5, the inner module 4 is also set as a circular block, and a sealing ring 3 is provided on the outer side of one end of the inner module 4. The stabilizing bracket 5 is set as a cylindrical bracket, and the inner wall of the stabilizing bracket 5 is also provided with a second sliding hole 7. The second sliding hole 7 is slidably connected to the bottom of the first mold base 1 and the second mold base 2. The first sliding hole 6 and the second sliding hole 7 are used to guide the sliding adjustment of the stabilizing bracket 5. Moreover, the first sliding hole 6 is set as an arc-shaped sliding hole, which increases the support area of ​​the stabilizing bracket 5 and the first sliding hole 6 sliding connection, which is beneficial to improving the stability of the sliding adjustment of the inner module 4 at one end of the stabilizing bracket 5.

[0024] like Figure 2 and Figure 4 As shown, in order to improve the stability of the inner module 4 slidingly disposed in the mold base, a locking mechanism is also provided on the outer wall of the stabilizing bracket 5. The locking mechanism includes a locking bracket 12 that is slidably disposed on one side of the first mold base 1 via a limiting plate 10. The limiting plate 10 has a guide sliding hole 16 inside. One end of the locking bracket 12 is provided with a locking pressure plate 14. One end of the locking bracket 12 is threadedly connected to the second screw 11 outside the limiting plate 10. Both the second screw 11 and the first screw 8 are provided with nuts 9 at one end. One end of the second screw 11 is vertically rotatably connected to one side of the limiting plate 10 via a bearing. One end of the first screw 8 is vertically rotatably connected to one end of the first mold base 1 via a bearing. This allows the locking bracket 12 to be adjusted laterally by rotating the second screw 11. When one end of the locking bracket 12 is pressed against the outside of the stabilizing bracket 5, it is used to press and lock the stabilizing bracket 5 that has been moved and adjusted a certain distance, which helps to improve the stability of the inner module 4 slidingly disposed in the mold base.

[0025] like Figure 3 and Figure 4 As shown, a limiting rib 15 is also provided on the inner wall of the locking plate 14. The limiting rib 15 is horizontally inserted into the limiting groove 13 on the outer wall of the stabilizing bracket 5. By engaging the limiting rib 15 in the limiting groove 13 on the outer wall of the stabilizing bracket 5, the stability of the locking plate 14 pressed against the outside of the stabilizing bracket 5 can be improved.

[0026] The working principle and usage process of this utility model are as follows: In use, an inner module 4 is slidably provided inside the mold cavity 17 of the first mold base 1 and the second mold base 2. One end of the stabilizing bracket 5 at one end of the inner module 4 is also threadedly connected to the first screw 8 outside the first mold base 1 and the second mold base 2. This allows the stabilizing bracket 5 and the inner module 4 to be slidably adjusted by rotating the first screw 8, thereby adjusting the volume inside the mold cavity 17 to meet the injection molding needs of products with different thicknesses.

[0027] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A sliding mechanism inside an injection mold, comprising a first mold base (1) and a second mold base (2), characterized in that: An inner module (4) is slidably provided inside the mold cavity (17) of the first mold base (1) and the second mold base (2). A stabilizing bracket (5) is provided on one side of the inner module (4), and the stabilizing bracket (5) slides through the first sliding hole (6) at one end of the first mold base (1) and the second mold base (2). One end of the stabilizing bracket (5) is also threadedly connected to the first screw (8) outside the first mold base (1) and the second mold base (2). A locking mechanism is also provided on the outer wall of the stabilizing bracket (5).

2. The internal sliding mechanism of an injection mold according to claim 1, characterized in that: The inner module (4) is configured as a circular block, and a sealing ring (3) is provided on the outer side of one end of the inner module (4).

3. The internal sliding mechanism of an injection mold according to claim 1, characterized in that: The stabilizing bracket (5) is configured as a cylindrical bracket, and the first sliding hole (6) is configured as an arc-shaped sliding hole.

4. The internal sliding mechanism of an injection mold according to claim 3, characterized in that: The inner wall of the stabilizing bracket (5) is also provided with a second sliding hole (7), which is slidably connected to the bottom of the first mold base (1) and the second mold base (2).

5. The internal sliding mechanism of an injection mold according to claim 1, characterized in that: The locking mechanism includes a locking bracket (12) that is slidably disposed on one side of the first mold base (1) via a limiting plate (10). One end of the locking bracket (12) is provided with a locking pressure plate (14). One end of the locking bracket (12) is threadedly connected to a second screw (11) outside the limiting plate (10). One end of the second screw (11) and the first screw (8) are both provided with nuts (9). One end of the second screw (11) is vertically rotatably connected to one side of the limiting plate (10) via a bearing. One end of the first screw (8) is vertically rotatably connected to one end of the first mold base (1) via a bearing.

6. The internal sliding mechanism of an injection mold according to claim 5, characterized in that: The inner wall of the locking plate (14) is provided with a limiting rib (15), and the limiting rib (15) is horizontally inserted into the limiting groove (13) on the outer wall of the stabilizing bracket (5).

Citation Information

Patent Citations

  • Internal sliding mechanism of injection mold

    CN223131297U