Die structure for processing rubber-coated copper PIN of socket

By optimizing the mold structure and adopting the design of insert slots, sliders, and conical levers, the problems of precision and efficiency in the processing of copper pins for socket coating were solved, enabling efficient and accurate mass production and reducing costs.

CN223644159UActive Publication Date: 2025-12-09XIAMEN JINGSHANGCHENG PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202520014990.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-12-09
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

Traditional methods for processing copper pins for sockets with insulated coatings are insufficient to meet the requirements of high precision and efficient mass production, resulting in low production efficiency and high costs.

Method used

A mold structure was designed, including an upper fixed plate, a lower fixed plate, a male template, a female template, a front mold base, and a rear mold base. Through the cooperation of insert slots, sliders, and conical push rods, the stability and precise fit of the inserts during the injection molding process are ensured, thereby achieving precise molding of the PIN pins.

Benefits of technology

This technology enables efficient and precise mass production of insulated copper pins for sockets, improving product dimensional accuracy and surface quality while reducing production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of socket rubber-coated copper PIN processing, and discloses a die structure for socket rubber-coated copper PIN processing, which comprises an upper fixing plate, a lower fixing plate is arranged right below the upper fixing plate, the upper fixing plate and the lower fixing plate are coaxially arranged in a die assembly state, and a sprue bush for feeding is fixedly mounted at the center of the top surface of the upper fixing plate in a penetrating manner. And the sprue bush is vertically arranged, an upper end opening of the sprue bush is located in a containing hole in the top of the upper fixing plate, two spacing plates are arranged on the top face of the lower fixing plate, and two ejector plates are arranged between the two spacing plates. According to the utility model, the groove slide block clamping structure is designed, the insert connecting rod is not provided with a hanging table structure, and the groove slide block clamping structure is adopted to prevent the insert from being adhered to the front mold base due to a product structure, so that the stability of the insert in an ejection process is ensured, and the offset of the insert in an injection molding process is effectively avoided; and the size precision and the surface quality of the PINs are ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to socket rubber -coated copper PIN needle processing technical field, specifically for a kind of mould structure for socket rubber -coated copper PIN needle processing. BACKGROUND

[0002] Socket rubber -coated copper PIN needle is a kind of key component in connector, mainly for the conduction and signal transmission of electronic product. It is usually made of copper, and a layer of insulating material is wrapped on its surface to prevent short circuit and provide better electrical isolation. This design not only improves the stability and safety of the connector, but also prolongs its service life.

[0003] Socket rubber -coated copper PIN needle mould is a kind of pin injection molding process mould used in electronic products and electrical equipment. The processing quality and precision of injection molding copper PIN needle directly affect the performance and reliability of electronic products. Since the dimensional accuracy and surface quality of copper PIN needle are extremely high, irregularity and deformation of PIN needle seriously affect accurate fixing. Traditional processing methods cannot meet these requirements, so mass production cannot be realized, resulting in low production efficiency and high cost.

[0004] The utility model discloses a mould structure for socket rubber -coated copper PIN needle processing.

[0005] Therefore, we provide a kind of mould structure for socket rubber -coated copper PIN needle processing. UTILITY MODEL CONTENTS

[0006] The utility model discloses a kind of mould structure for socket rubber -coated copper PIN needle processing, to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of mould structure for socket rubber -coated copper PIN needle processing, including upper fixed plate, its lower is provided with lower fixed plate, both coaxial settings are in the mould state, the top surface center of the upper fixed plate is fixedly penetrated with the pouring bush for feeding, and the pouring bush is vertically arranged, and the upper end of the pouring bush is located in the placement hole in the top of the upper fixed plate, the top surface of the lower fixed plate is provided with two spacer plates, and two the spacer plate is provided with two top pin plates between, the top of two the spacer plate and the bottom of the upper fixed plate are provided with positioning guide column, and the positioning guide column is provided with male die plate, female die plate, the male die plate, female die plate are provided with front mould seat, rear mould seat in, and front mould seat, rear mould seat form parting surface between, the front mould seat is provided with PIN needle loading hole, and the inner face of the front mould seat is provided with a plurality of injection molding chambers, the injection molding chamber is built-in injection socket rubber -coated copper PIN needle.

[0008] Preferably, the rear die seat is provided with a plurality of insert grooves, and the insert grooves are internally provided with inserts, the shape of the inserts matches the shape of the PIN pin, and the bottom of the insert is provided with an insert connecting rod for ejecting the insert and guiding the insert into the mold.

[0009] Preferably, the bottom of the rear die seat is provided with a sliding block, the sliding block is provided with a groove for accurately clamping the insert, and the bottom of the sliding block is fitted with a conical lever.

[0010] The utility model provides a mould structure for socket rubber copper PIN pin processing, has the following beneficial effects:

[0011] (1), the utility model discloses a recessed groove sliding block clamping structure, and the insert connecting rod is not provided with a hanging table structure, to prevent the insert from sticking to the front die seat due to product structure, adopt the recessed groove sliding block clamping structure, ensure the stability of the insert in the ejection process, effectively avoid the deviation of the insert in the injection molding process, ensure the dimensional accuracy and surface quality of the PIN pin.

[0012] (2), the utility model discloses that PIN pin is installed in the insert of rear die seat, and then PIN pin is installed into the hole of the front die seat by manual stretching, and the insert is as flat as possible to the front die parting surface by manual installation, and in the stretching process, the sliding block is accurately controlled through the conical lever on the rear die seat, and the accurate cooperation between PIN pin and the insert is effectively ensured. DRAWINGS

[0013] Figure 1 It is the overall structure perspective drawing of the utility model;

[0014] Figure 2 It is the front die seat and rear die seat structure schematic view of the utility model;

[0015] Figure 3 It is the socket rubber copper PIN pin view of the utility model;

[0016] Figure 4 It is the overall structure sectional view of the utility model;

[0017] Figure 5 It is the front die seat and rear die seat sectional perspective drawing of the utility model.

[0018] In the drawing: upper fixed plate 21, lower fixed plate 22, male die plate 23, female die plate 24, spacing plate 25, ejector pin plate 26, front die seat 27, rear die seat 28, injection molding cavity 29, insert 31, insert connecting rod 32, sliding block 33, recessed groove 34, conical lever 35, PIN pin 36, socket rubber copper PIN pin 40. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0020] Examples of the described embodiments are shown in the drawings, in which the same or similar reference numbers represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0021] The preferred embodiment of the mold structure for processing socket rubber-coated copper PIN pins provided by the present application is as shown in the figure Figures 1-5 The preferred embodiment of the mold structure for processing socket rubber-coated copper PIN pins provided by the present application is as shown in the figure The top surface of the lower fixed plate 22 is provided with two spacer plates 25, and two top pin plates 26 are arranged between the two spacer plates 25. A positioning guide column is arranged between the top of the two spacer plates 25 and the bottom of the upper fixed plate 21, and a male mold plate 23 and a female mold plate 24 are arranged on the positioning guide column. A front mold seat 27 and a rear mold seat 28 are arranged inside the male mold plate 23 and the female mold plate 24, and a parting surface is formed between the front mold seat 27 and the rear mold seat 28. The front mold seat 27 is provided with a PIN pin loading hole, and a plurality of injection molding cavities 29 are arranged on the inner surface of the front mold seat 27. The injection molding cavities 29 are arranged with socket rubber-coated copper PIN pins 40;

[0022] The rear mold seat 28 is provided with a plurality of insert grooves, and the insert grooves are arranged with inserts 31. The shape of the inserts 31 matches the shape of the PIN pins 36. The bottom of the inserts 31 is provided with an insert connecting rod 32, which is used for ejecting the inserts 31 and guiding the inserts 31 into the mold.

[0023] The bottom of the rear mold seat 28 is provided with a sliding block 33, and the sliding block 33 is provided with a groove 34 for accurately clamping the inserts 31. The bottom of the sliding block 33 is provided with a conical lever 35, which is used for smoothly ejecting the inserts 31.

[0024] In use, due to the deformation and irregularity of the PIN, injection production to achieve precision production, first because the insert connecting rod 32 can not be separated from the back mold base 28, so the opening distance needs to be controlled, the opening distance is 150 mm, the rear mold insert assembly can freely stretch after ejection, the PIN 36 is installed in the insert 31 provided on the rear mold base 28, then manually stretched to the PIN installation hole of the front mold base 27, manually installed to make the insert 31 as flat as possible to the front mold parting surface (the length of the insert connecting rod 32 is just in the hole of the rear mold base 28, so that it can be smoothly guided when the mold is closed; when the mold is opened, the insert connecting rod 32 has no hanging table structure, in order to prevent the insert 31 from sticking to the front mold base 27 due to product structure, a groove sliding block clamping structure is designed, so that the product can be smoothly left to the rear mold base 28, and the conical lever 35 contacts the sliding block 33 in advance during the ejection process, the sliding block 33 is pushed back, and then the insert 31 is ejected, and the injection molded socket encapsulated copper PIN 40 is taken out horizontally.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A mold structure for processing copper pins for socket coating, comprising an upper fixing plate (21) and a lower fixing plate (22) disposed directly below it, the two being coaxially arranged in a closed mold state, characterized in that, A sprue sleeve for feeding is fixedly installed through the center of the top surface of the upper fixed plate (21), and the sprue sleeve is vertically arranged. The upper end of the sprue sleeve is located in the placement hole at the top of the upper fixed plate (21). Two spacer plates (25) are provided on the top surface of the lower fixed plate (22), and two ejector plates (26) are provided between the two spacer plates (25). A positioning guide post is provided between the top of the two spacer plates (25) and the bottom of the upper fixed plate (21), and the positioning guide post is fixedly installed through the center of the top surface of the upper fixed plate (21). The guide post is provided with a male template (23) and a female template (24). A front mold base (27) and a rear mold base (28) are provided between the male template (23) and the female template (24). A parting surface is formed between the front mold base (27) and the rear mold base (28). The front mold base (27) is provided with a PIN pin insertion hole. Multiple injection molding cavities (29) are provided on the inner surface of the front mold base (27). The injection molding cavities (29) are filled with socket-coated copper PIN pins (40).

2. The mold structure for processing copper pins for socket coating according to claim 1, characterized in that: The rear mold base (28) is provided with multiple insert slots, and inserts (31) are placed inside the insert slots. The shape of the insert (31) matches the shape of the PIN pin (36). The bottom of the insert (31) is provided with an insert connecting rod (32) for ejecting the insert (31) and guiding the insert (31) into the mold.

3. The mold structure for processing copper pins for socket coating according to claim 1, characterized in that: The bottom of the rear mold base (28) is provided with a slider (33), and the slider (33) has a groove (34) for precisely locking the insert (31). The bottom of the slider (33) is fitted with a conical lever (35). After the slider (33) is pushed back, the insert connecting rod (32) is pushed forward smoothly.