Die for cold heading forming of high-quality copper-silver contact

Abstract

The utility model discloses a die for cold heading forming of a high-quality copper-silver contact, which comprises a mounting shell, a plurality of copper-silver contacts, a plurality of copper-silver contacts, a plurality of copper-silver contacts, a plurality of copper-silver contacts and a plurality of copper-silver contacts, the adjusting die cavity is vertically formed in the mounting shell, and the top of the mounting shell is in threaded connection with a first adjusting bolt which is used for adjusting the overall height of the adjusting die cavity; the mounting box is arranged in the adjusting die cavity, a plurality of forming die cavities are arranged in the adjusting die cavity, and the copper-silver contact forming die has the beneficial effects that the overall height of the adjusting die cavity can be finely adjusted through the adjusting bolt I, so that the die can adapt to copper-silver contacts with different sizes or shapes; a forming die cavity in the mounting box can be finely adjusted through an adjusting bolt II, so that the accuracy of the forming process is ensured; limiting grooves in the two sides of the adjusting die cavity are matched with limiting blocks on the inner wall of the mounting shell, so that the stability of the adjusting die cavity in the up-down sliding process is ensured; and the mold is prevented from being out of control or position deviation in the adjusting process.

Description

Technical Field

[0001] This utility model relates to the field of cold heading forming mold technology, specifically a high-quality copper-silver contact cold heading mold. Background Technology

[0002] Cold heading dies are the core tools in the cold heading process. Utilizing the plastic deformation properties of metal materials, pressure is applied to metal bars under ambient temperature (or low-temperature heating) conditions, causing them to undergo upsetting, extrusion, and stretching deformations, ultimately forming precision fasteners such as bolts, nuts, and rivets, or irregularly shaped parts. Existing cold heading dies are mostly integrated designs, making it impossible to directly fine-tune their radial offset on the equipment (e.g., ±0.05mm level adjustments). If product dimensions deviate, the die must be disassembled and returned to the factory for re-grinding, increasing downtime. Utility Model Content

[0003] The purpose of this invention is to provide a high-quality mold for cold heading of copper-silver contacts, so as to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a high-quality copper-silver contact cold heading mold, comprising:

[0005] The mounting housing is a cavity with openings on the bottom and one side;

[0006] The mold cavity is adjusted and placed vertically inside the mounting housing. An adjusting bolt is threaded to the top of the mounting housing to adjust the overall height of the mold cavity.

[0007] The mounting box is placed inside the adjustment mold cavity, which has multiple forming mold cavities inside. The mounting box is threaded with two adjusting bolts on both sides for adjusting the position of the forming mold cavities. The forming mold cavity has an elastic part inside, which includes an ejector pin for ejecting the workpiece and a spring for driving the ejector pin to reset.

[0008] Preferably, the adjusting mold cavity has limit grooves on both sides, and the inner wall of the mounting housing is fixed with a limit block that cooperates with the limit groove.

[0009] Preferably, the two sides of the adjusting mold cavity are threaded with adjusting bolts three, and the two sides of the mounting box are provided with positioning holes that cooperate with the adjusting bolts three.

[0010] Preferably, the molding cavities are arranged from top to bottom as molding cavity one, molding cavity two, and molding cavity three, and one end of each of the molding cavity one, molding cavity two, and molding cavity three is provided with a mold core for placing materials.

[0011] Preferably, one end of the mold core is provided with a receiving cavity, and a sliding plate is slidably connected inside the receiving cavity. The sliding plate is fixedly connected to the ejector pin, and the ejector pin slides inside the mold core.

[0012] Preferably, the storage cavity is fixedly connected to a plurality of limiting rods, the limiting rods are slidably connected to the slide plate, and the spring is sleeved on the outside of the limiting rods.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By adjusting bolt one, the overall height of the mold cavity can be finely adjusted, enabling the mold to adapt to copper-silver contacts of different sizes or shapes; the molding cavity inside the mounting box can be finely adjusted by adjusting bolt two to ensure the accuracy of the molding process; the limiting grooves on both sides of the adjusting mold cavity cooperate with the limiting blocks on the inner wall of the mounting housing to ensure the stability of the adjusting mold cavity during the up-and-down sliding process; preventing the mold from going out of control or shifting position during the adjustment process; the modular design of the mold, such as the mounting box and adjusting mold cavity, makes the maintenance and upgrading of the mold simpler; if a part needs to be replaced or adjusted, it can be done easily without large-scale modifications to the entire mold. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the adjustable mold cavity of this utility model;

[0016] Figure 3 This is a schematic diagram of the installation structure of molding cavity one, molding cavity two and molding cavity three of this utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of the molding cavity of this utility model.

[0018] In the diagram: 1. Mounting housing; 2. Adjusting mold cavity; 3. Adjusting bolt one; 4. Limiting groove; 5. Limiting block; 6. Mounting box; 7. Adjusting bolt two; 8. Molding mold cavity one; 9. Molding mold cavity two; 10. Molding mold cavity three; 11. Mold core; 12. Ejector pin; 13. Storage cavity; 14. Slide plate; 15. Limiting rod; 16. Spring; 17. Adjusting bolt three. Detailed Implementation

[0019] 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.

[0020] Please see Figure 1 , 2 As shown in Figures 3 and 4, this utility model provides a technical solution: a high-quality copper-silver contact cold heading mold, comprising: a mounting housing 1, which is a cavity with an opening at the bottom and on one side; an adjusting mold cavity 2 that slides vertically inside the mounting housing 1, with an adjusting bolt 3 threadedly connected to the top of the mounting housing 1, the bottom of the adjusting bolt 3 being rotatably connected to the adjusting mold cavity 2 for adjusting the overall height of the adjusting mold cavity 2; a mounting box 6 that is installed inside the adjusting mold cavity 2 by bolts, the adjusting mold cavity 2 having multiple forming mold cavities inside, and adjusting bolts 7 threadedly connected to both sides of the mounting box 6 for adjusting the position of the forming mold cavities, the adjusting mold cavity 2 having holes for the adjusting bolts 7 to slide, the forming mold cavity having holes for cold heading, and an elastic part inside the holes, the elastic part including an ejector pin 12 for ejecting the workpiece and a spring 16 for driving the ejector pin 12 to reset.

[0021] It should be noted that in this invention, the mounting housing 1 serves as the external frame of the entire mold, and the adjusting mold cavity 2 is vertically slidably mounted within the mounting housing 1. The position of the forming part of the mold can be adjusted by the traction of the adjusting bolt 3, allowing for fine-tuning of the mold cavity height during use to accommodate copper-silver contacts of different sizes or shapes. The mounting box 6 is located within the adjusting mold cavity 2 and is used to fix the forming mold cavity assembly. The mounting box 6 is fixedly connected to the adjusting mold cavity 2 by bolts, ensuring that the forming mold cavity does not shift during cold heading. Multiple forming mold cavities are provided within the mounting box, and the positions of these forming mold cavities can be adjusted by the adjusting bolt 7. The adjusting bolt 7 can precisely control the minute displacements of the forming mold cavities, allowing for fine adjustments to the mold as needed to ensure the accuracy of the forming part. The forming mold cavity is responsible for realizing the cold heading process. The mold cavity has specialized holes to receive the copper-silver contact material and perform plastic deformation. Each forming mold cavity is equipped with an elastic part, which includes an ejector pin 12 and a spring 16 that drives the ejector pin 12 to return to its original position. Spring 16 serves a reset function, returning ejector pin 12 to its original position after ejection, ready for the next operation, ensuring mold efficiency and production continuity. By adjusting bolts 1-3 and 2-7, the forming cavity can be fine-tuned during mold use. This not only improves the mold's precision but also ensures its adaptability to cold-formed parts of different sizes and shapes.

[0022] like Figure 2 , 3 As shown, limiting grooves 4 are opened on both sides of the adjusting mold cavity 2, and limiting blocks 5 that cooperate with the limiting grooves 4 are fixed to the inner wall of the mounting shell 1.

[0023] It should be noted that the limiting grooves 4 of this utility model are formed on both sides of the adjusting mold cavity 2. During the up-and-down sliding process of the adjusting mold cavity 2, the limiting grooves 4 ensure that the adjusting mold cavity will not exceed the predetermined range of motion, thereby avoiding misoperation and unnecessary errors. The adjusting bolt 3 is connected to the mounting housing 1 by threads, and the position of the adjusting mold cavity 2 is adjusted up and down by rotating the bolt. The rotation of the adjusting bolt 3 drives the adjusting mold cavity 2 to slide up and down along the limiting groove 4, thereby realizing the adjustment of the overall height position of the mold cavity. The height position of the mold cavity can be precisely adjusted by adjusting the adjusting bolt 3. Due to the cooperation of the limiting groove 4 and the limiting block 5, the adjusting mold cavity 2 can slide stably and smoothly without causing mold loss of control or positional deviation due to improper adjustment. This allows the height position of the entire molding mold cavity to be finely adjusted as needed to adapt to different copper-silver contact molding requirements. If the mold needs to adapt to different specifications of copper-silver contacts or other materials, this adjustment mechanism can quickly adapt, reducing the time for mold changing or adjustment, making the production process more efficient and flexible.

[0024] like Figure 1 , 3 As shown, the two sides of the adjusting mold cavity 2 are threaded with adjusting bolts 317, which are used to adjust the lateral position of the mounting box 6. The two sides of the mounting box 6 are provided with positioning holes that cooperate with the adjusting bolts 317. After the position of the mounting box 6 is adjusted by adjusting bolts 317 at both ends, the adjusting mold is then installed by bolts.

[0025] It should be noted that in this invention, adjusting bolts 317 are connected to the mounting box 6 via threaded connections on both sides of the adjusting mold cavity 2. The threaded connection provides a robust fixing force, ensuring that bolts 317 will not loosen or shift during adjustment, thus guaranteeing the accuracy and stability of the position adjustment. By rotating adjusting bolts 317, the mounting box 6 can be adjusted laterally along the threaded track. This allows for precise lateral adjustment of the mounting box 6, ensuring it is in the correct position within the mold. Positioning holes are provided on both sides of the mounting box 6 to mate with adjusting bolts 317. These positioning holes guide the correct rotation of adjusting bolts 317 and limit the lateral displacement of the mounting box 6. The engagement of the positioning holes with bolts 317 ensures that the mounting box will not experience unexpected vertical displacement or other instability during adjustment. Fixing after adjustment with adjusting bolts 317: Once the position of the mounting box 6 is precisely adjusted to the desired position using adjusting bolts 317, additional bolts are used to fix the mounting box 6 in place. By adjusting the fit between bolt 317 and the positioning hole, the position of the mounting box 6 can be adjusted very precisely. The rotational connection design between the positioning hole and bolt 317 effectively prevents the mounting box 6 from shifting up and down during the adjustment process, thus avoiding mold failure or production problems caused by improper positioning.

[0026] like Figure 1 ,4 As shown, the molding cavities are arranged from top to bottom as molding cavity 1 8, molding cavity 2 9, and molding cavity 3 10. One end of each of molding cavity 1 8, molding cavity 2 9, and molding cavity 3 10 is provided with a placement hole 11 for placing materials. One end of the placement hole 11 is provided with a receiving cavity 13. A sliding plate 14 is slidably connected inside the receiving cavity 13. The sliding plate 14 is fixedly connected to the ejector pin 12. The ejector pin 12 slides in the placement hole 11. Multiple limiting rods 15 are fixedly connected inside the receiving cavity 13. The limiting rods 15 are slidably connected to the sliding plate 14. A spring 16 is sleeved on the outside of the limiting rods 15.

[0027] It should be noted that in this invention, the workpiece is placed in the forming cavity 8, and the workpiece is squeezed within the forming cavity 8 by the impact pin. The material is compressed and shaped within the mold core 11. During the extrusion process, after the impact pin separates, the ejector pin 12, through its connection with the slide plate 14, and the limiting rod 15, restricts the movement range of the slide plate 14, ensuring the precise movement trajectory of the ejector pin 12 and avoiding over- or under-pressing of the material. The spring 16 ensures that the ejector pin can quickly return to its original position, thereby ensuring the repeated use and normal operation of the ejector pin, pushing the material out of the mold. Then, with the assistance of the corresponding clamping mechanism, the workpiece ejected from the forming cavity 8 passes through the forming cavity 9 and the forming cavity 10 again for stamping and cold heading.

[0028] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are 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.

[0029] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-quality cold heading mold for copper-silver contacts, characterized in that: include: Mounting housing (1), which is a cavity with openings on the bottom and one side; Adjust the mold cavity (2), which is vertically placed inside the mounting housing (1). The top of the mounting housing (1) is threaded with an adjusting bolt (3) for adjusting the overall height of the adjusting mold cavity (2). The mounting box (6) is placed inside the adjustment mold cavity (2). The adjustment mold cavity (2) has multiple forming mold cavities inside. The mounting box (6) is threaded with two adjusting bolts (7) for adjusting the position of the forming mold cavity on both sides. The forming mold cavity has an elastic part inside. The elastic part includes an ejector pin (12) for ejecting the workpiece and a spring (16) for driving the ejector pin (12) to reset.

2. The high-quality copper-silver contact cold heading mold according to claim 1, characterized in that: The adjustment cavity (2) has limit grooves (4) on both sides, and the inner wall of the mounting housing (1) is fixed with a limit block (5) that cooperates with the limit groove (4).

3. The high-quality copper-silver contact cold heading mold according to claim 2, characterized in that: The two sides of the adjustment cavity (2) are threaded with adjustment bolts three (17), and the two sides of the mounting box (6) are provided with positioning holes that cooperate with the adjustment bolts three (17).

4. The high-quality copper-silver contact cold heading mold according to claim 1, characterized in that: The molding cavities are arranged from top to bottom as molding cavity one (8), molding cavity two (9) and molding cavity three (10). One end of each of the molding cavity one (8), molding cavity two (9) and molding cavity three (10) is provided with a mold core (11) for placing materials.

5. A high-quality copper-silver contact cold heading mold according to claim 4, characterized in that: One end of the mold core (11) is provided with a receiving cavity (13), and a sliding plate (14) is slidably connected inside the receiving cavity (13). The sliding plate (14) is fixedly connected to the ejector pin (12), and the ejector pin (12) slides inside the mold core (11).

6. The high-quality copper-silver contact cold heading mold according to claim 5, characterized in that: Multiple limiting rods (15) are fixed inside the storage cavity (13). The limiting rods (15) are slidably connected to the slide plate (14). The spring (16) is sleeved on the outside of the limiting rods (15).

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