Injection mold for automobile parts

By introducing a combination of electric cylinder and C-type cutter into the injection mold of automobile accessories, the problem of waste leaving the edge of the injection molded parts is solved, and the edge trimming work is completed in the mold, simplifying the subsequent production process and improving efficiency.

CN222807496UActive Publication Date: 2025-04-29上海创制汽车零部件有限公司

Patent Information

Application Number
CN202420819944.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-04-29
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

After the injection molds of existing automotive accessories injection molds have completed the injection molding work, excess waste will be left on the edges of the injection molding parts and need to be repaired, which increases the complexity of subsequent work.

Method used

An injection mold of automobile accessories is designed, including electric cylinder, top rod and C-type cutting knife. After the injection molded part is cooled and formed, the C-type cutting knife is driven to shear along the edge of the injection molded part through the electric cylinder to complete the trimming work.

Benefits of technology

By introducing the trimming function of C-type cutter into the injection mold, the trimming of injection molded parts is directly completed in the mold, which reduces the subsequent production process, improves production efficiency, and reduces the complexity of waste treatment.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222807496U_ABST
    Figure CN222807496U_ABST
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Abstract

The utility model discloses an automobile part injection mold, and relates to the technical field of automobile part production, the automobile part injection mold comprises a template A and an ejector rod, a sizing block is installed above the template A, a mold A is arranged above the sizing block, an electric cylinder is arranged at the bottom of the inner surface of the mold A, the ejector rod is installed above the electric cylinder, and a C-shaped cutter is arranged above the ejector rod. Compared with an existing common injection mold, after an injection molding part in the mold core A and the mold core B is cooled and formed, the mold core B is removed, the electric cylinder is started, the electric cylinder drives the C-shaped cutter to move upwards through the ejector rod, at the moment, the C-shaped cutter can conduct shearing along the edge of the injection molding part, and trimming work on the injection molding part is completed; and the follow-up production process is further reduced, a refrigerant is connected to the Z-shaped cooling pipe 10, the Z-shaped cooling pipe 10 is in a continuous Z shape, the mold core A4 and the mold core B5 can be cooled in a large area, and the injection molding parts in the mold core A4 and the mold core B5 are rapidly cooled and formed.
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Description

Technical Field

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

[0002] Auto parts are the various units that make up the whole car and a kind of product that serves the car. There are many kinds of auto parts. With the improvement of people's living standards, people's consumption of cars is increasing, and the market of auto parts is getting bigger and bigger. In recent years, auto parts manufacturers have also been developing rapidly. With the development of society and the advancement of science and technology, the scope and quantity of injection molded parts are getting larger and larger. People's lives are becoming more and more inseparable from the use of injection molded parts, especially the use of auto parts injection molded parts. Auto parts injection molded parts are usually molded by mold injection.

[0003] For example, in the application number CN202322036603.4, by starting the lifting drive, the lifting drive drives the top seat and the upper mold to descend, and the lowered upper mold enters the molding cavity and cooperates with the lower mold for injection molding of automotive parts. After the automotive parts are molded, by starting the lifting drive, the lifting drive drives the top seat and the upper mold to rise, and then starts the rotating drive, the rotating drive drives the gear to rotate, and the gear drives the gear ring to rotate when the gear rotates, and the gear ring drives the rotary table to rotate around the central axis, so that another molding cavity rotates to the bottom of the upper mold, and the above steps are repeated. It can realize injection molding operations with one upper mold and multiple lower molds, which greatly reduces costs and improves production efficiency. However, after the injection mold completes the injection molding work, excess waste will be left on the edge of the injection molded part, which will cause trouble to subsequent work and need to be repaired.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and an automobile parts injection mold is proposed. Utility Model Content

[0005] The utility model aims to provide an injection mold for automobile parts to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an injection mold for automobile parts, comprising a template A and a push rod, a shim is installed above the template A, and a mold A is arranged above the shim, an electric cylinder is arranged at the bottom of the inner surface of the mold A, and a push rod is installed above the electric cylinder, and a C-shaped cutter is arranged above the push rod.

[0007] Preferably, a mold core A is installed above the inner surface of the mold A, and a mold core B is arranged above the mold core A.

[0008] Preferably, a mold B is installed on the outer surface of the mold core B, and a template B is arranged above the mold B.

[0009] Preferably, a gate is installed above the template B, and a runner is connected below the gate.

[0010] Preferably, Z-shaped cooling pipes are provided on both sides of the mold A, and the Z-shaped cooling pipes are continuous "Z" shapes.

[0011] Preferably, the gate and the runner are interconnected, and the runner is in the shape of a herringbone.

[0012] Preferably, there are two C-shaped cutters symmetrically distributed along the center of the mold core A, and the upper surface of the mold core A and the lower surface of the mold core B are tightly fitted.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the edge of the injection molded part can be sheared to complete the trimming of the injection molded part, thereby further reducing the subsequent production process;

[0014] 1. The utility model is provided with an electric cylinder, a push rod and a C-shaped cutter. After the injection molded parts in mold core A and mold core B are cooled and formed, mold core B is removed and the electric cylinder is started. The electric cylinder drives the C-shaped cutter to move upward through the push rod. At this time, the C-shaped cutter will shear along the edge of the injection molded part to complete the trimming work of the injection molded part, further reducing the subsequent production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the injection mold;

[0016] Figure 2 It is a schematic diagram of the cross-sectional structure of the injection mold;

[0017] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 Schematic diagram of the Z-type cooling tube structure.

[0019] In the figure: 1. Template A; 2. Washer; 3. Mold A; 4. Mold core A; 5. Mold core B; 6. Mold B; 7. Template B; 8. Gate; 9. Runner; 10. Z-shaped cooling pipe; 11. Electric cylinder; 12. Ejector rod; 13. C-shaped cutter. DETAILED DESCRIPTION

[0020] 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.

[0021] like Figure 1-Figure 2 As shown, an automobile parts injection mold comprises a template A1 and a push rod 12, a pad iron 2 is installed above the template A1, and a mold A3 is arranged above the pad iron 2, an electric cylinder 11 is arranged at the bottom of the inner surface of the mold A3, and a push rod 12 is installed above the electric cylinder 11, and a C-shaped cutter 13 is arranged above the push rod 12;

[0022] Furthermore, two C-shaped cutters 13 are symmetrically distributed along the center of the mold core A4, and the upper surface of the mold core A4 is tightly fitted with the lower surface of the mold core B5. The electric cylinder 11, the ejector rod 12 and the C-shaped cutter 13 are arranged. After the injection molded parts in the mold cores A4 and B5 are cooled and formed, the mold core B5 is removed and the electric cylinder 11 is started. The electric cylinder 11 drives the C-shaped cutter 13 to move upward through the ejector rod 12. At this time, the C-shaped cutter 13 will shear along the edge of the injection molded part to complete the trimming of the injection molded part, further reducing the subsequent production process;

[0023] like Figure 3-Figure 4 As shown, a core A4 is installed on the inner surface of the mold A3, and a core B5 is installed on the upper part of the core A4, a mold B6 is installed on the outer surface of the core B5, and a template B7 is installed on the upper part of the mold B6, a gate 8 is installed on the upper part of the template B7, and a runner 9 is connected to the lower part of the gate 8;

[0024] Furthermore, Z-shaped cooling pipes 10 are provided on both sides of the mold A3, and the Z-shaped cooling pipes 10 are continuous "Z"-shaped, the gate 8 and the runner 9 are interconnected, and the runner 9 is in a "human" shape, and a refrigerant is connected to the Z-shaped cooling pipe 10. The Z-shaped cooling pipe 10 is continuous Z-shaped, and can cool the core A4 and the core B5 over a large area, so that the injection molded parts in the core A4 and the core B5 can be quickly cooled and formed.

[0025] Working principle: When using the auto parts injection mold, the mold body is first composed of template A1, pad 2, mold A3, core A4, core B5, mold B6, template B7, gate 8 and runner 9. After mold A3 and mold B6 are molded together, core A4 and core B5 are tightly fitted. At this time, the production raw materials are injected from the gate 8, and the raw materials flow into the cavities of core A4 and core B5 through runner 9. At the same time, the refrigerant is connected to the Z-shaped cooling pipe 10. The Z-shaped cooling pipe 10 is a continuous The Z-type can cool the core A4 and the core B5 over a large area, so that the injection molded parts in the core A4 and the core B5 can be quickly cooled and formed. After the injection molded parts in the core A4 and the core B5 are cooled and formed, the core B5 is removed and the electric cylinder 11 is started. The electric cylinder 11 drives the C-shaped cutter 13 to move upward through the push rod 12. At this time, the C-shaped cutter 13 will shear along the edge of the injection molded part to complete the trimming of the injection molded part. Finally, the injection molded part is taken out. This is the working principle of the injection mold for automotive parts.

[0026] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An automobile parts injection mold, comprising a mold plate A (1) and a push rod (12), characterized in that: A pad iron (2) is installed above the template A (1), and a mold A (3) is arranged above the pad iron (2). An electric cylinder (11) is arranged at the bottom of the inner surface of the mold A (3), and a push rod (12) is installed above the electric cylinder (11). A C-shaped cutter (13) is arranged above the push rod (12).

2. The automotive parts injection mold according to claim 1, characterized in that: A mold core A (4) is installed above the inner surface of the mold A (3), and a mold core B (5) is arranged above the mold core A (4).

3. The automotive parts injection mold according to claim 2, characterized in that: A mold B (6) is installed on the outer surface of the mold core B (5), and a template B (7) is arranged above the mold B (6).

4. The automotive parts injection mold according to claim 3, characterized in that: A gate (8) is installed above the template B (7), and a runner (9) is connected below the gate (8).

5. The automotive parts injection mold according to claim 1, characterized in that: Z-shaped cooling pipes (10) are provided on both sides of the mold A (3), and the Z-shaped cooling pipes (10) are continuous "Z" shapes.

6. The automotive parts injection mold according to claim 4, characterized in that: The gate (8) and the runner (9) are interconnected, and the runner (9) is in the shape of a "human".

7. The automotive parts injection mold according to claim 2, characterized in that: Two C-shaped cutters (13) are symmetrically distributed along the center of the mold core A (4), and the upper surface of the mold core A (4) is tightly fitted with the lower surface of the mold core B (5).

Citation Information

Patent Citations

  • Injection mold for automobile parts

    CN220447043U

Cited By

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