Composite core-pulling type precision mold of electronic product

By designing a composite core-pull-type precision mold, the mold release is achieved using electric push rods and gear systems, and the cylinder-driven buffer structure reduces vibration and impact, the existing mold shape deformation and surface damage during the mold release process is solved, and product quality and production efficiency are improved.

CN222946099UActive Publication Date: 2025-06-06KUNSHAN XIANGKAIYUSHENG PRECISION MOULD & COMPONENTS CO LTD
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Patent Information

Application Number
CN202421543911.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-06-06
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

Existing composite core extraction precision molds are difficult to smoothly release during the demolding process, which can easily lead to product shape deformation or surface damage, affecting product quality and production efficiency.

Method used

A composite core-pull-type precision mold with a structure including a base, a fixed box, a T-block, a rack, an electric push rod, a rotating rod, a gear, a connecting rod, a moving plate, a connecting column, a template release plate, and a mold release plate are designed. The electric push rod drives the rack and gear, and drives the rotating rod and a connecting rod to realize the movement of the moving plate and the connecting column, thereby realizing the mold release. At the same time, the sliding plate and sliding block are driven by the cylinder, and the buffer block and the tension spring are driven to provide cushioning and reducing vibration and impact.

Benefits of technology

The mold release is achieved smoothly, product quality is improved, downtime is reduced, production efficiency is improved, and the service life and reliability of the mold is extended through the buffer structure.

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Abstract

The utility model relates to the technical field of dies, and discloses a composite core-pulling type precision die of an electronic product, which comprises a base, the bottom of the base is fixedly connected with a fixed box, the inner wall of the bottom of the fixed box is fixedly connected with a T-shaped block, and the outer part of the T-shaped block is slidably connected with a rack. An electric push rod is fixedly connected to the right side of the top of the T-shaped block, rotating rods are rotatably connected to the front side and the rear side of the fixed box, gears are fixedly connected to the outer portions of the rotating rods, connecting rods are fixedly connected to the front side and the rear side of the outer portion of each rotating rod, and connecting rods are rotatably connected to the tops of the connecting rods; the tops of the two connecting rods are rotationally connected with a moving plate, the left side and the right side of the top of the moving plate are both fixedly connected with connecting columns, and the tops of the two connecting columns are fixedly connected with a demolding plate. According to the utility model, the demoulding of the mould is realized, so that the product quality is improved, the shutdown time is reduced, and the production efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a composite core-pulling type precision mold for electronic products. Background Art

[0002] A mold is a manufacturing tool used to manufacture large quantities of objects with complex shapes in industrial production. Composite core-pulling precision molds are often used in the manufacture of electronic products when complex structures or specific cavities need to be formed inside the product.

[0003] Electronic products usually require complex internal structures, such as circuit board mounting positions, connector seats, heat dissipation holes, etc. Composite core-pulling molds can accurately form these complex internal structures during the injection molding or die-casting process to ensure the function and performance of the product. In the prior art, some core-pulling precision molds are difficult to demold during use. Excessive force or extrusion during demolding will cause the shape of the product to be deformed or the surface to be damaged, thereby affecting the quality and appearance of the product. Frequent problems with the mold during demolding may increase the downtime of the production line, thereby reducing production efficiency and output. Therefore, in view of the above shortcomings, a composite core-pulling precision mold for electronic products is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a composite core-pulling precision mold for electronic products, aiming to improve the problem that some core-pulling precision molds in the prior art are difficult to demould during use, which may cause shape deformation or surface damage of the product.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The top of the two connecting rods is fixedly connected to the movable plate, and the left and right sides of the two connecting rods are fixedly connected to the movable plate, and the top of the two connecting rods is fixedly connected to the stripping plate, and the top of the two connecting rods is fixedly connected to the molding box, and the left and right sides of the top of the two connecting rods are fixedly connected to the connecting frame, and the left and right sides of the top of the two connecting frames are fixedly connected to the molding box, and the left and right sides of the top of the two connecting frames are fixedly connected to the connecting frame, and the left and right sides of the connecting frame are provided with sliding grooves, and the sliding blocks are slidably connected to the outside of the sliding grooves, and the buffer components are fixedly connected to the inside of the sliding grooves;

[0007] As a further description of the above technical solution:

[0008] The buffer assembly comprises a square block, an inner cavity is formed inside the square block, a square plate is slidably connected to the inner wall of the inner cavity, a tension spring is arranged inside the inner cavity, and a buffer block is fixedly connected to the top of the square plate;

[0009] As a further description of the above technical solution:

[0010] The top inner wall of the connecting frame is fixedly connected with a cylinder, the driving end of the cylinder is fixedly connected with a sliding plate, the bottom of the sliding plate is fixedly connected with a cover plate, and the outside of the gear is meshingly connected with the outside of the rack;

[0011] As a further description of the above technical solution:

[0012] The outer portion of the movable plate is slidably connected to the inner wall of the fixed box, and the driving end of the electric push rod is fixedly connected to the right side of the rack;

[0013] As a further description of the above technical solution:

[0014] The outside of the connecting column is slidably connected to the left and right sides of the inside of the base, and the outside of the stripping plate is slidably connected to the inner wall of the forming box;

[0015] As a further description of the above technical solution:

[0016] The adjacent sides of the two sliding blocks are fixedly connected to the left and right sides of the sliding plate, and the outer side of the buffer block is slidably connected to the inner side of the square block;

[0017] As a further description of the above technical solution:

[0018] The top of the tension spring is fixedly connected to the bottom of the square plate, and the bottom of the tension spring is fixedly connected to the bottom inner wall of the inner cavity;

[0019] As a further description of the above technical solution:

[0020] The outside of the square block is fixedly connected to the inner wall of the slide groove, and the left and right sides of the bottom of the sliding block are in contact with the tops of the two buffer blocks.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, after the electric push rod is started, the electric push rod drives the rack to slide, the rack drives the gear to rotate, the gear drives the rotating rod to rotate, the rotating rod drives the connecting rod to rotate, the connecting rod drives the connecting rod to rotate, the connecting rod drives the moving plate to slide up and down, the moving plate drives the connecting column to move, and the stripping plate is driven to move through the connecting column, thereby realizing the demoulding of the mold, thereby improving the quality of the product, reducing the downtime, and improving the production efficiency.

[0023] 2. In the utility model, after the cylinder is started, the cylinder drives the sliding plate to move, the sliding plate drives the sliding block to move, the sliding block drives the buffer block to move, the buffer block drives the square plate to move, the square plate drives the tension spring to be compressed, thereby achieving buffering of the mold, and then reducing the impact of vibration and impact on electronic components during use, thereby extending the service life and reliability of the mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A three-dimensional diagram of a composite core-pulling precision mold for an electronic product proposed by the utility model;

[0025] Figure 2 This is a schematic diagram of the internal structure of a fixed box of a composite core-pulling precision mold for electronic products proposed by the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of a connecting frame of a composite core-pulling precision mold for an electronic product proposed by the utility model;

[0027] Figure 4 for Figure 3 Enlarged view of point A in .

[0028] Legend:

[0029] 1. Base; 2. Fixed box; 3. T-shaped block; 4. Rack; 5. Electric push rod; 6. Rotating rod; 7. Gear; 8. Connecting rod; 9. Connecting rod; 10. Moving plate; 11. Connecting column; 12. Forming box; 13. Stripping plate; 14. Connecting frame; 15. Cylinder; 16. Sliding plate; 17. Cover plate; 18. Sliding block; 19. Slide groove; 20. Square block; 21. Inner cavity; 22. Tension spring; 23. Square plate; 24. Buffer block. DETAILED DESCRIPTION

[0030] 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.

[0031] Reference Figure 1 , Figure 2 The utility model provides an embodiment: a composite core-pulling precision mold for electronic products, including a base 1, which is the basic part of the entire mold. The bottom of the base 1 is fixedly connected to a fixed box 2, which is used to fix and support the core structure of the entire mold. The bottom inner wall of the fixed box 2 is fixedly connected to a T-shaped block 3, which is designed to provide mobile support during mold operation. The outside of the T-shaped block 3 is slidably connected to a rack 4, and the top right side of the T-shaped block 3 is fixedly connected to an electric push rod 5, which is used to push the rack 4 to move. The front and rear sides of the fixed box 2 are rotatably connected to a rotating rod 6, and the outside of the rotating rod 6 is fixedly connected to a gear 7, which drives the rotating rod 6 to rotate, and the rack 4 drives the gear 7 to rotate. The front and rear sides of the rotating rod 6 are rotatably connected. The sides are fixedly connected with connecting rods 8, the rotating rod 6 drives the connecting rod 8 to rotate, the top of the connecting rod 8 is rotatably connected with the connecting rod 9, the connecting rod 8 drives the connecting rod 9 to rotate, the tops of the two connecting rods 9 are rotatably connected with a moving plate 10, the connecting rod 9 drives the moving plate 10 to slide up and down, the top left and right sides of the moving plate 10 are fixedly connected with connecting columns 11, the moving plate 10 drives the connecting columns 11 to move, the tops of the two connecting columns 11 are fixedly connected with stripping templates 13, the connecting columns 11 drive the stripping template 13 to move, the top of the base 1 is fixedly connected with a molding box 12, the top left and right sides of the base 1 are fixedly connected with connecting frames 14, the left and right sides of the connecting frame 14 are provided with slide grooves 19, and the outside of the slide grooves 19 is slidably connected with sliding blocks 18.

[0032] Reference Figure 3 , Figure 4 A buffer assembly is fixedly connected inside the slide groove 19, and the buffer assembly includes a square block 20. An inner cavity 21 is opened inside the square block 20. A square plate 23 is slidably connected to the inner wall of the inner cavity 21. A tension spring 22 is arranged inside the inner cavity 21, and a buffer block 24 is fixedly connected to the top of the square plate 23.

[0033] Reference Figures 2 to 4The top inner wall of the connecting frame 14 is fixedly connected with a cylinder 15, and the driving end of the cylinder 15 is fixedly connected with a sliding plate 16. The cylinder 15 drives the sliding plate 16 to move. The bottom of the sliding plate 16 is fixedly connected with a cover plate 17. The outside of the gear 7 is meshed with the outside of the rack 4. The rack 4 drives the gear 7 to rotate. The outside of the mobile plate 10 is slidably connected to the inner wall of the fixed box 2, which improves the stability of the mobile plate 10. The driving end of the electric push rod 5 is fixedly connected to the right side of the rack 4. The electric push rod 5 drives the rack 4 to slide. The outside of the connecting column 11 is slidably connected to the left and right sides of the inside of the base 1, which improves the stability of the connecting column 11. The outside of the stripping plate 13 is slidably connected to the molding box. The inner wall of 12 improves the stability of the stripping template 13, the adjacent sides of the two sliding blocks 18 are fixedly connected to the left and right sides of the sliding plate 16, the sliding plate 16 drives the sliding block 18 to move, the outer sliding connection of the buffer block 24 is connected to the inside of the square block 20, the stability of the buffer block 24 is improved, the top of the tension spring 22 is fixedly connected to the bottom of the square plate 23, the square plate 23 drives the tension spring 22 to be compressed, the bottom of the tension spring 22 is fixedly connected to the bottom inner wall of the inner cavity 21, the outside of the square block 20 is fixedly connected to the inner wall of the slide groove 19, the left and right sides of the bottom of the sliding block 18 are in contact with the tops of the two buffer blocks 24, and the sliding block 18 drives the buffer block 24 to move.

[0034] Working principle: After starting the electric push rod 5, the electric push rod 5 drives the rack 4 to slide, and the rack 4 drives the gear 7 to rotate, so that the gear 7 drives the rotating rod 6 to rotate, and the rotating rod 6 drives the connecting rod 8 to rotate, so that the connecting rod 8 drives the connecting rod 9 to rotate, and the connecting rod 9 drives the moving plate 10 to slide up and down, so that the moving plate 10 drives the connecting column 11 to move, and the stripping plate 13 is driven to move through the connecting column 11, so as to realize the demoulding of the mold, thereby improving the quality of the product, reducing the downtime, and improving the production efficiency. After starting the cylinder 15, the cylinder 15 drives the sliding plate 16 to move, so that the sliding plate 16 drives the sliding block 18 to move, and the sliding block 18 drives the buffer block 24 to move, so that the buffer block 24 drives the square plate 23 to move, and the square plate 23 drives the tension spring 22 to compress, so as to realize the buffering of the mold, and then reduce the influence of vibration and impact on electronic components during use, thereby extending the service life and reliability of the mold.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A composite core-pulling precision mold for electronic products, comprising a base (1), characterized in that: The bottom of the base (1) is fixedly connected to a fixed box (2), the bottom inner wall of the fixed box (2) is fixedly connected to a T-shaped block (3), the outside of the T-shaped block (3) is slidably connected to a rack (4), the top right side of the T-shaped block (3) is fixedly connected to an electric push rod (5), the front and rear sides of the fixed box (2) are rotatably connected to a rotating rod (6), the outside of the rotating rod (6) is fixedly connected to a gear (7), the front and rear sides of the rotating rod (6) are fixedly connected to a connecting rod (8), the top of the connecting rod (8) is rotatably connected to a connecting rod (9), and the two connecting rods (9) are connected to each other. The top of the rod (9) is rotatably connected to a movable plate (10), the top left and right sides of the movable plate (10) are fixedly connected to connecting columns (11), the tops of the two connecting columns (11) are fixedly connected to stripping plates (13), the top of the base (1) is fixedly connected to a molding box (12), the top left and right sides of the base (1) are fixedly connected to connecting frames (14), the left and right sides of the connecting frames (14) are provided with sliding grooves (19), the outside of the sliding groove (19) is slidably connected to a sliding block (18), and the inside of the sliding groove (19) is fixedly connected to a buffer assembly.

2. The composite core-pulling precision mold for electronic products according to claim 1, characterized in that: The buffer assembly comprises a square block (20), an inner cavity (21) is provided inside the square block (20), a square plate (23) is slidably connected to the inner wall of the inner cavity (21), a tension spring (22) is arranged inside the inner cavity (21), and a buffer block (24) is fixedly connected to the top of the square plate (23).

3. The composite core-pulling precision mold for electronic products according to claim 2, characterized in that: The top inner wall of the connecting frame (14) is fixedly connected to a cylinder (15), the driving end of the cylinder (15) is fixedly connected to a sliding plate (16), the bottom of the sliding plate (16) is fixedly connected to a cover plate (17), and the outside of the gear (7) is meshingly connected to the outside of the rack (4).

4. The composite core-pulling precision mold for electronic products according to claim 1, characterized in that: The outside of the movable plate (10) is slidably connected to the inner wall of the fixed box (2), and the driving end of the electric push rod (5) is fixedly connected to the right side of the rack (4).

5. The composite core-pulling precision mold for electronic products according to claim 1, characterized in that: The outside of the connecting column (11) is slidably connected to the left and right sides of the inside of the base (1), and the outside of the stripping plate (13) is slidably connected to the inner wall of the forming box (12).

6. The composite core-pulling precision mold for electronic products according to claim 3, characterized in that: The adjacent sides of the two sliding blocks (18) are fixedly connected to the left and right sides of the sliding plate (16), and the outside of the buffer block (24) is slidably connected to the inside of the square block (20).

7. The composite core-pulling precision mold for electronic products according to claim 2, characterized in that: The top of the tension spring (22) is fixedly connected to the bottom of the square plate (23), and the bottom of the tension spring (22) is fixedly connected to the bottom inner wall of the inner cavity (21).

8. The composite core-pulling precision mold for electronic products according to claim 2, characterized in that: The outside of the square block (20) is fixedly connected to the inner wall of the slide groove (19), and the left and right sides of the bottom of the sliding block (18) are in contact with the tops of the two buffer blocks (24).