Automobile connector injection mold with quick demolding structure

By designing return spring structures for sliders 1, 2, and 3 in the injection mold, the problem of the product getting stuck in the mold cavity after molding was solved, enabling rapid demolding and normal ejector plate reset, thus improving production efficiency and product quality.

CN223849856UActive Publication Date: 2026-01-30KUNSHAN GUANYEDA PRECISION IND CO LTD
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Patent Information

Application Number
CN202423106841.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2026-01-30
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing injection molds are prone to jamming or sticking inside the mold cavity after product molding, which makes ejection difficult and may damage the product.

Method used

An injection mold for automotive connectors with a quick demolding structure was designed. By installing sliders No. 1, No. 2, and No. 3 on the lower mold, a return spring is used to eject the sliders out of the molding cavity and release the limit. The reset of the ejector plate is detected by the cooperation of the ejector plate and the return switch to avoid jamming of waste material.

Benefits of technology

This enabled convenient demolding of the product, avoided product damage, and ensured the proper reset of the ejector plate, thereby improving production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223849856U_ABST
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Abstract

The utility model discloses an automobile connector injection mold with a rapid demolding structure. The automobile connector injection mold comprises a lower mold, a base is installed at the lower end of the lower mold, an ejector pin return switch is installed at the right end of the base, an ejector pin plate is installed at the upper end of the base, a touch plate is installed at the right end of the ejector pin plate, and an upper mold is installed at the upper end of the lower mold. An injection molding opening is formed in the middle of the upper end of the upper mold, and a mold locking block is jointly installed at the right ends of the lower mold and the upper mold. According to the automobile connector injection mold with the rapid demolding structure, after the lower mold and the upper mold are opened, the third sliding block is ejected out of the forming cavity through the reset spring on the third sliding block, so that the limiting of the first sliding block and the second sliding block is released; and then springs on the first sliding block and the second sliding block oppositely jack up the first sliding block and the second sliding block, so that three surfaces of the product are far away from the three sliding blocks, the product is more convenient to jack up, and the product is prevented from being damaged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, especially a kind of automobile connector injection mold with quick demoulding structure. BACKGROUND

[0002] Injection mold is a kind of tool for producing plastic products, working principle is that the material heated and melted is high-pressure injected into mold cavity, and is cooled and solidified to form, injection mold can greatly improve production efficiency, especially when mass-producing some complex structure products, and also can guarantee the quality and consistency of product, because mold itself has accurate size and shape, therefore, injection mold is widely used in automobile, electronics, household appliances, medical devices and other industries.

[0003] The existing injection mold is directly high-pressure injected into mold cavity with material heated and melted, and is cooled and solidified to form, however, after product forming, product is more easily clamped or adhered in mold cavity, leading to product ejection inconvenience or being easily damaged when ejecting. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of automobile connector injection mold with quick demoulding structure, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of automobile connector injection mold with quick demoulding structure, including lower mould, the lower mould lower end is installed with base, the base right end is installed with ejector pin return switch, the base upper end is installed with ejector pin plate, the ejector pin plate right end is installed with touch plate, the lower mould upper end is installed with upper mould, the upper mould upper end middle part is opened with injection port, the lower mould and the upper mould right end are jointly installed with locking module.

[0007] Preferably, the lower mould upper end middle part is installed with No.1 slider and No.2 slider respectively, the No.1 slider and No.2 slider are installed with shaped product between, the No.1 slider and No.2 slider left end are jointly inserted with No.3 slider, the lower mould upper end front part and upper end rear part are both installed with inclined ejector pin, the lower mould upper end front part and upper end rear part are both installed with inclined guide block.Product is formed in the cavity between No.1 slider, No.2 slider and No.3 slider, after the lower mould and the upper mould open, No.3 slider is ejected from forming cavity through reset spring on it, thereby releasing the limit of No.1 slider and No.2 slider, then the spring on No.1 slider and No.2 slider thereby oppositely ejects No.1 slider and No.2 slider, so that three faces of product are away from three sliders, making product more convenient when ejecting, avoiding damaging product.

[0008] Preferably, the third slider is provided with a mounting groove at the right end, and a reset spring is mounted in the mounting groove.

[0009] Preferably, the touch plate is in L shape, and the touch plate is in position corresponding to the ejection pin return switch.

[0010] Preferably, the two inclined ejection columns are located between two inclined guide blocks.

[0011] Preferably, the first slider and the second slider are in position corresponding to each other.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] 1. Through the design of the lower mold, the first slider, the second slider and the third slider, the product is formed in the cavity formed between the first slider, the second slider and the third slider, after the lower mold and the upper mold are opened, the third slider is ejected from the forming cavity through the reset spring on the third slider, thereby releasing the limit of the first slider and the second slider, then the spring on the first slider and the second slider is ejected, thereby the first slider and the second slider are oppositely ejected, thereby the three surfaces of the product are away from the three sliders, the product is more convenient to eject, and the product is prevented from being damaged.

[0014] 2. When the product is ejected and falls back after being driven by the ejection pin plate, the touch plate on the ejection pin plate is in contact with the ejection pin return switch, thereby the reset of the ejection pin plate is detected, the ejection pin plate is prevented from being unable to normally reset due to the waste material on the ejection pin plate, and the injection molding of the product is affected. DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model of a kind of automobile connector injection mold with quick demoulding structure;

[0016] Figure 2 It is a whole structure schematic view of the lower mold of the utility model of a kind of automobile connector injection mold with quick demoulding structure;

[0017] Figure 3 It is a whole structure schematic view of place A of the utility model of a kind of automobile connector injection mold with quick demoulding structure;

[0018] Figure 4 It is a whole structure schematic view of the heat dissipation drying device of the utility model of a kind of automobile connector injection mold with quick demoulding structure.

[0019] In the diagram: 1. Lower mold; 2. Upper mold; 3. Base; 4. Injection port; 5. Locking module; 6. Touch plate; 7. Ejector pin return switch; 8. Ejector plate; 10. Slider 1; 11. Slider 2; 12. Slider 3; 13. Angled ejector pin; 14. Angled guide block; 15. Molded product; 121. Mounting slot; 122. Return spring. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figures 1-4 As shown, an injection mold for an automotive connector with a quick demolding structure includes a lower mold 1, a base 3 mounted on the lower end of the lower mold 1, an ejector pin return switch 7 mounted on the right end of the base 3, an ejector plate 8 mounted on the upper end of the base 3, a touch plate 6 mounted on the right end of the ejector plate 8, an upper mold 2 mounted on the upper end of the lower mold 1, an injection port 4 opened in the middle of the upper end of the upper mold 2, and a locking module 5 is mounted on the right end of both the lower mold 1 and the upper mold 2; the touch plate 6 is L-shaped, and the position of the touch plate 6 corresponds vertically to that of the ejector pin return switch 7.

[0024] The lower mould 1 is provided with a first sliding block 10 and a second sliding block 11 at the middle of the upper end, a forming product 15 is arranged between the first sliding block 10 and the second sliding block 11, a third sliding block 12 is arranged at the left end of the first sliding block 10 and the second sliding block 11, an inclined top pillar 13 is arranged at the front upper end and the rear upper end of the lower mould 1, and an inclined guide block 14 is arranged at the front upper end and the rear upper end of the lower mould 1; the third sliding block 12 is provided with an installation groove 121 at the right end, and a reset spring 122 is arranged in the installation groove 121; the two inclined top pillars 13 are arranged between the two inclined guide blocks 14; the first sliding block 10 and the second sliding block 11 are arranged in front and back correspondence; the product is formed in the cavity between the first sliding block 10, the second sliding block 11 and the third sliding block 12; after the lower mould 1 and the upper mould 2 are opened, the third sliding block 12 is pushed out of the forming cavity through the reset spring 122, so that the first sliding block 10 and the second sliding block 11 are released, then the spring on the first sliding block 10 and the second sliding block 11 pushes the first sliding block 10 and the second sliding block 11, so that the three surfaces of the product are away from the three sliding blocks, the product is more convenient to be pushed up, and the product is prevented from being damaged.

[0025] It should be noted that the utility model discloses a kind of automobile connector injection mould with quick demoulding structure, through the design of first sliding block 10, second sliding block 11 and third sliding block 12 on lower mould 1, product is formed in the cavity between first sliding block 10, second sliding block 11 and third sliding block 12, after lower mould 1 and upper mould 2 are opened, third sliding block 12 is pushed out of the forming cavity through reset spring 122 on it, so that the first sliding block 10 and the second sliding block 11 are released, then the spring on the first sliding block 10 and the second sliding block 11 pushes the first sliding block 10 and the second sliding block 11, so that the three surfaces of the product are away from the three sliding blocks, the product is more convenient to be pushed up, and the product is prevented from being damaged, and ejector plate 8 is pushed up to drive when product is pushed out and falls back, contact plate 6 on ejector plate 8 will just contact ejector return switch 7, so that the reset of ejector plate 8 is detected, prevent that it cannot normally reset due to the waste material on ejector plate 8, influence product injection.

[0026] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An injection mold for an automotive connector with a quick demolding structure, comprising a lower mold (1), characterized in that: The lower die (1) is provided with a base (3) at the lower end, the base (3) is provided with an ejector pin return switch (7) at the right end, the base (3) is provided with an ejector pin plate (8) at the upper end, the ejector pin plate (8) is provided with a touch plate (6) at the right end, the lower die (1) is provided with an upper die (2) at the upper end, the upper die (2) is provided with an injection port (4) at the upper end, the lower die (1) and the upper die (2) are jointly provided with a mold locking block (5) at the right end; the lower die (1) is provided with a first sliding block (10) and a second sliding block (11) at the upper end, respectively, a shaped product (15) is installed between the first sliding block (10) and the second sliding block (11), the first sliding block (10) and the second sliding block (11) are jointly provided with a third sliding block (12) at the left end, the lower die (1) is provided with an inclined ejector pin (13) at the front upper end and the rear upper end, respectively, and is provided with an inclined guide block (14) at the front upper end and the rear upper end; the third sliding block (12) is provided with a mounting groove (121) at the right end, and the mounting groove (121) is provided with a reset spring (122); the touch plate (6) is in the shape of L, and the touch plate (6) and the ejector pin return switch (7) are in position correspondence.

2. The injection mold for an automobile connector with a quick demolding structure according to claim 1, characterized in that: Two inclined ejector pins (13) are located between two inclined guide blocks (14).

3. The injection mold for an automotive connector with a quick demolding structure according to claim 1, characterized in that: The first sliding block (10) and the second sliding block (11) are in position front-rear correspondence.