Boss type copper contact connecting piece machining die and boss type copper contact connecting piece

Abstract

The utility model discloses a boss-type copper contact connecting piece processing die and a boss-type copper contact connecting piece, and the boss-type copper contact connecting piece processing die comprises a lower die which is internally provided with a cavity; the chamber comprises a cylindrical cavity; a boss cavity is formed in the upper end of the cylindrical cavity, and a lower cold heading punch is arranged at the lower end of the cylindrical cavity. The diameter of the boss cavity is larger than that of the cylindrical cavity. The upper surface of the boss cavity is flush with the upper surface of the lower die; an upper die holder; the upper clamping plate is located on the lower surface of the upper die base; an upper cold heading punch is arranged on the lower surface of the upper clamping plate; the size of the upper cold heading punch is matched with that of the boss cavity; when a copper bar is placed in the cavity, the upper die base moves downwards, and a boss type stamping part matched with the cavity is obtained through extrusion of the upper cold heading punch and the cavity. And the copper rod is arranged in the cavity to be punched, so that the phenomenon of material waste caused by the existing turn-milling process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a boss type copper contact connector processing die and a boss type copper contact connector. Background Art

[0002] Existing boss-type copper contact connectors, such as Figure 1 As shown, a cylindrical copper rod having a diameter not less than the boss portion 101 is usually obtained by machining and milling, but this processing method has the problems of long processing time and waste of materials.

[0003] How to solve the above-mentioned technical problems has become a technical problem that needs to be solved urgently in the industry. Summary of the invention

[0004] In order to at least solve the above technical problems, the purpose of the utility model is to provide a boss-type copper contact connector processing mold, which is formed by placing a copper rod in a cavity and stamping it, thereby avoiding the material waste caused by the existing turning and milling process.

[0005] In order to achieve the above-mentioned purpose, the present application provides a boss-type copper contact connector processing mold, comprising:

[0006] A lower mold, wherein a cavity is provided in the lower mold;

[0007] The chamber includes a cylindrical cavity;

[0008] The upper end of the cylindrical cavity is provided with a boss cavity, and the lower end thereof is provided with a lower cold heading punch;

[0009] The diameter of the boss cavity is larger than the diameter of the cylindrical cavity;

[0010] The upper surface of the boss cavity is flush with the upper surface of the lower mold;

[0011] Upper die seat;

[0012] An upper clamping plate, located on the lower surface of the upper die seat;

[0013] An upper cold heading punch is provided on the lower surface of the upper clamping plate;

[0014] The size of the upper cold heading punch matches the size of the boss cavity;

[0015] When the copper rod is placed in the cavity, the upper die seat moves downward, and a boss-type stamping part matching the cavity is obtained through the extrusion of the upper cold heading punch and the cavity.

[0016] Furthermore, a guide column is provided on the lower surface of the upper clamping plate;

[0017] The guide column is located on the side of the upper cold heading punch;

[0018] A positioning groove is also provided on the lower die;

[0019] The positioning groove matches the guide column;

[0020] When the upper die seat moves downward, the guide column falls into the positioning groove.

[0021] Furthermore, there are no less than one guide post and no less than one positioning slot, and the number of the guide posts is the same as the number of the positioning slots.

[0022] Furthermore, it also includes: a lower die base, and the lower die is placed on the lower die base.

[0023] Furthermore, an upper drawing block is also provided on the upper die base;

[0024] The upper pull block extends toward the lower die;

[0025] The upper pull material block is arranged on the side of the upper clamping plate.

[0026] Furthermore, a pull rod is provided on the lower die base;

[0027] The pull rod extends toward the upper die seat;

[0028] The pull rod is arranged on the side of the lower mold.

[0029] Furthermore, the upper material pulling block is provided with a hole, and when the upper material pulling block moves toward the lower die direction along with the upper die seat, the pull rod is placed in the hole on the upper material pulling block.

[0030] Furthermore, when the upper cold heading punch is placed in the boss cavity, the upper drawing block and the drawing rod are both located on the side of the lower die.

[0031] Furthermore, the extended end of the upper pull block is provided with a protruding portion protruding toward the outer side of the lower mold;

[0032] The hole on the upper pull material block is arranged on the raised portion;

[0033] The hole on the upper pull material block is a through hole that penetrates the raised portion;

[0034] The length of the pull rod is greater than the moving distance of the upper die seat relative to the lower die.

[0035] In order to achieve the above-mentioned purpose, an embodiment of the present application further provides a boss-type copper contact connector, which is stamped using the above-mentioned boss-type copper contact connector processing mold.

[0036] The boss-type copper contact connector processing mold of the embodiment of the present application includes: a lower mold, a cavity is provided in the lower mold; the cavity includes a cylindrical cavity; a boss cavity is provided at the upper end of the cylindrical cavity, and a lower cold heading punch is provided at the lower end thereof; the diameter of the boss cavity is larger than the diameter of the cylindrical cavity; the upper surface of the boss cavity is flush with the upper surface of the lower mold; an upper mold base; an upper clamping plate, which is located on the lower surface of the upper mold base; an upper cold heading punch is provided on the lower surface of the upper clamping plate; the size of the upper cold heading punch matches the size of the boss cavity; when the copper rod is placed in the cavity, the upper mold base moves downward, and a boss-type stamping part matching the cavity is obtained by extruding the upper cold heading punch and the cavity. The copper rod is placed in the chamber for stamping, which avoids the material waste caused by the existing turning and milling process; the cooperation between the guide column and the positioning groove avoids the dimensional deviation in the horizontal direction between the upper cold heading punch and the boss cavity during the stamping process, thereby reducing the machining accuracy; the cooperation between the pull rod and the upper pull block further limits the horizontal movement during the stamping process, thereby ensuring the machining accuracy; compared with the material waste caused by the existing turning and milling process, this phenomenon is greatly avoided, thereby reducing the production cost and improving the market competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present application and constitute a part of the specification. Together with the embodiments of the present application, they are used to explain the present application and do not constitute a limitation of the present application. In the accompanying drawings:

[0038] Figure 1 It is a schematic diagram of the structure of a boss-type copper contact connector;

[0039] Figure 2 It is a schematic diagram of the structure of a processing mold for a boss-type copper contact connector according to an embodiment of the present application;

[0040] Figure 3 is a bottom view of an upper splint of an embodiment of the present application;

[0041] Figure 4 It is a top view of the lower mold of an embodiment of the present application.

[0042] Description of reference numerals:

[0043] 101-boss portion; 102-column; 201-lower die seat; 202-lower die; 203-lower cold heading punch; 204-cylindrical cavity; 205-boss cavity; 206-upper die seat; 207-upper clamping plate; 208-upper cold heading punch; 209-guide column; 210-upper pulling block; 211-positioning groove; 212-pull rod; 213-bottom plate. DETAILED DESCRIPTION

[0044] The embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present application are shown in the accompanying drawings, it should be understood that the present application can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present application. It should be understood that the drawings and embodiments of the present application are only for exemplary purposes and are not intended to limit the scope of protection of the present application.

[0045] It should be understood that the various steps described in the method implementation of the present application can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present application is not limited in this respect.

[0046] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "based on" means "based at least in part on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0047] It should be noted that the modifications of "one" and "plurality" mentioned in this application are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more". "Plurality" should be understood as two or more.

[0048] The embodiment of the present application provides a boss-type copper contact connector processing mold, comprising:

[0049] A lower mold, wherein a cavity is provided in the lower mold;

[0050] The chamber includes a cylindrical cavity;

[0051] The upper end of the cylindrical cavity is provided with a boss cavity, and the lower end thereof is provided with a lower cold heading punch;

[0052] The diameter of the boss cavity is larger than the diameter of the cylindrical cavity;

[0053] The upper surface of the boss cavity is flush with the upper surface of the lower mold;

[0054] Upper die seat;

[0055] An upper clamping plate, located on the lower surface of the upper die seat;

[0056] An upper cold heading punch is provided on the lower surface of the upper clamping plate;

[0057] The size of the upper cold heading punch matches the size of the boss cavity;

[0058] When the copper rod is placed in the cavity, the upper die seat moves downward, and a boss-type stamping part matching the cavity is obtained through the extrusion of the upper cold heading punch and the cavity.

[0059] Example 1

[0060] Figure 1 This is a schematic diagram of the structure of a boss-type copper contact connector. Figure 2 Schematic diagram of the structure of the die for processing the boss-type copper contact connector according to the embodiment of the present application. Figure 3 This is a bottom view of the upper splint of an embodiment of the present application. Figure 4 This is a top view of the lower mold of the embodiment of the present application. Figure 1-4 , the boss-type copper contact connector processing mold of the embodiment of the present application is described in detail.

[0061] The boss-type copper contact connector processing mold of the embodiment of the present application is used for processing the boss-type copper contact connector. The boss-type copper contact connector includes two parts: a column 102 part and a boss part.

[0062] In some exemplary embodiments, the column 102 is, for example, a cylinder. Of course, the main body may also be a rectangular parallelepiped as required.

[0063] In some exemplary embodiments, the boss portion and the column 102 are both cylindrical, and the diameter of the boss portion is greater than the diameter of the column 102 .

[0064] The boss-type copper contact connector processing mold of the embodiment of the present application uses a stamping method to process the boss-type copper contact connector.

[0065] In some exemplary embodiments, the boss-type copper contact connector processing mold of the embodiment of the present application includes: a lower mold 202, and the lower mold 202 is located below the boss-type copper contact connector processing mold.

[0066] In some exemplary embodiments, a cavity is defined in the lower mold 202 .

[0067] In some exemplary embodiments, the chamber includes a cylindrical cavity 204 .

[0068] In some exemplary embodiments, the shape of the cylindrical cavity 204 is designed according to the shape of the column 102 of the boss-type copper contact connector. For example, when the column 102 is cylindrical, the cylindrical cavity 204 is a cylindrical cavity that matches the column 102; when the column 102 is a rectangular parallelepiped, the cylindrical cavity 204 is also a rectangular parallelepiped cavity that matches it.

[0069] In some exemplary embodiments, the dimensions of the cylindrical cavity 204 match the cylindrical body 102 portion of the boss-type copper contact.

[0070] In some exemplary embodiments, a boss cavity 205 is provided at the upper end of the cylindrical cavity 204, and a lower cold heading punch 203 is provided at the lower end thereof; that is, the cavity is composed of the upper boss cavity 205 and the lower cylindrical cavity 204, and a lower cold heading punch 203 is also provided below the cylindrical cavity 204.

[0071] In some exemplary embodiments, the lower cold heading punch 203 is used to support the column 102 during the punching operation.

[0072] In some exemplary embodiments, the diameter of the boss cavity 205 is greater than the diameter of the cylindrical cavity 204 .

[0073] In some exemplary embodiments, the upper surface of the boss cavity 205 is flush with the upper surface of the lower mold 202 .

[0074] In some exemplary embodiments, the depth dimension of the boss cavity 205 is not less than the height dimension of the boss portion 101 required on the boss-type copper contact connector, that is, when the copper rod is placed in the cavity, after the stamping is completed, the boss portion 101 does not protrude from the upper surface of the boss cavity 205; or it can be understood that after the stamping is completed, the upper surface of the boss portion 101 is lower than the upper surface of the lower mold 202.

[0075] In some exemplary embodiments, as required, the depth dimension of the boss cavity 205 is greater than the height dimension of the boss portion 101 .

[0076] In some exemplary embodiments, the boss-type copper contact connector processing mold of the embodiment of the present application includes: an upper mold base 206 and an upper clamping plate 207 .

[0077] In some exemplary embodiments, the upper mold base 206 and the lower mold 202 are arranged opposite to each other. When in use, the upper mold base 206 is located above the lower mold 202, and the two move toward each other; for example, the lower mold 202 is fixed, and the upper mold base 206 moves up and down relative to the lower mold 202.

[0078] In some exemplary embodiments, the upper clamping plate 207 is located on the lower surface of the upper mold base 206 .

[0079] In some exemplary embodiments, an upper cold heading punch 208 is disposed on the lower surface of the upper clamping plate 207 , and the upper cold heading punch 208 protrudes from the lower surface of the upper clamping plate 207 .

[0080] In some exemplary embodiments, the size of the upper cold heading punch 208 matches the size of the boss cavity 205 , that is, the upper cold heading punch 208 can be immersed in the boss cavity 205 so that the portion of the copper rod in the boss cavity 205 can be punched into the boss portion 101 .

[0081] In some exemplary embodiments, the size of the upper cold heading punch 208 matches the size of the boss cavity 205 , for example, the upper cold heading punch 208 is a cylinder with a diameter of 40 mm, and the boss cavity 205 is a cylindrical chamber with a diameter of 40.1 mm.

[0082] In some exemplary embodiments, the boss cavity 205 is, for example, a cylindrical cavity.

[0083] In some exemplary embodiments, when the copper rod is placed in the cavity, the upper die seat 206 moves downward, and a boss-type stamping part matching the cavity is obtained through the extrusion of the upper cold heading punch 208 and the cavity.

[0084] In some exemplary embodiments, when the copper rod is placed in the chamber, the upper surface of the copper rod protrudes from the upper surface of the boss cavity 205, and when the upper die base 206 moves in the direction of the lower die 202, that is, moves downward, the upper cold heading punch 208 cooperates with the boss cavity 205, the cylindrical cavity 204 and the lower cold heading punch 203 to obtain a boss-type copper contact connector.

[0085] In some exemplary embodiments, a guide column 209 is further provided on the lower surface of the upper clamping plate 207 .

[0086] In some exemplary embodiments, a positioning groove 211 is further provided on the lower mold 202 .

[0087] In some exemplary embodiments, the positioning groove 211 matches the guide post 209 , for example, the depth and diameter of the positioning groove 211 match the length and diameter of the guide post 209 , respectively.

[0088] In some exemplary embodiments, when the upper mold base 206 moves downward, the guide column 209 falls into the positioning groove 211 .

[0089] In some exemplary embodiments, the positioning groove 211 is designed to match the guide column 209 for positioning to prevent position deviation between the upper cold heading punch 208 and the boss cavity 205 .

[0090] In some exemplary embodiments, there are at least one guide post 209 and at least one positioning slot 211 , for example, there are two guide posts 209 and two positioning slots 211 .

[0091] In some exemplary embodiments, the number of guide posts 209 is the same as the number of positioning slots 211 .

[0092] In some exemplary embodiments, the length dimension of the guide post 209 is greater than the length dimension of the upper cold heading punch 208 , and the depth dimension of the positioning groove 211 is greater than the depth dimension of the boss cavity 205 .

[0093] In some exemplary embodiments, the boss-type copper contact connector processing mold of the embodiment of the present application includes: a lower mold base 201 .

[0094] In some exemplary embodiments, the lower mold 202 is placed on the lower mold base 201 .

[0095] In some exemplary embodiments, an upper material pulling block 210 is further provided on the upper die base 206 . The upper material pulling block 210 is, for example, disposed on the lower surface of the upper die base 206 .

[0096] In some exemplary embodiments, the upper pulling block 210 extends toward the lower mold 202 .

[0097] In some exemplary embodiments, the upper pulling block 210 is disposed on a side of the upper clamping plate 207 .

[0098] In some exemplary embodiments, a pull rod 212 is further provided on the lower die base 201 .

[0099] In some exemplary embodiments, the pull rod 212 extends toward the upper die holder 206 .

[0100] In some exemplary embodiments, the tie rod 212 is disposed on a side of the lower mold 202 .

[0101] In some exemplary embodiments, the upper pulling block 210 is provided with holes.

[0102] In some exemplary embodiments, when the upper pulling block 210 moves toward the lower mold 202 along with the upper mold base 206, the pull rod 212 is placed in the hole on the upper pulling block 210; or it can be understood that when the upper pulling block 210 moves toward the lower mold 202 along with the upper mold base 206, the pull rod 212 passes through the hole on the upper pulling block 210.

[0103] In some exemplary embodiments, when the upper cold heading punch 208 is placed in the boss cavity 205 , the upper drawing block 210 and the drawing rod 212 are both located on the side of the lower die 202 .

[0104] In some exemplary embodiments, the extended end of the upper pulling block 210 is provided with a protrusion protruding toward the outer side of the lower mold 202 .

[0105] In some exemplary embodiments, the hole on the upper pulling block 210 is disposed on the protruding portion.

[0106] In some exemplary embodiments, the hole on the upper pulling block 210 is a through hole penetrating the protruding portion.

[0107] In some exemplary embodiments, the length of the pull rod 212 is greater than the moving distance of the upper die holder 206 relative to the lower die 202 .

[0108] In some exemplary embodiments, a threaded structure is provided at one end of the pull rod 212 away from the lower mold 202 , and a nut is provided on the outer sleeve of the threaded structure.

[0109] In some exemplary embodiments, a thread and a nut are designed to cooperate at one end of the pull rod 212 away from the lower mold 202 to prevent the upper mold base 206 from moving away from the lower mold 202, that is, to prevent the pull rod 212 from detaching from the hole on the upper pull block 210 when the upper mold base 206 moves upward.

[0110] In some exemplary embodiments, the cooperation between the pull rod 212 and the upper pull block 210 further avoids the occurrence of misalignment between the upper cold heading punch 208 and the boss cavity 205, thereby ensuring the accuracy of the size of the boss-type copper contact connector.

[0111] In some exemplary embodiments, there are plural pull rods 212 , for example, two.

[0112] In some exemplary embodiments, the plurality of tie rods 212 are distributed around the lower mold 202 at equal intervals.

[0113] In some exemplary embodiments, the boss-type copper contact connector processing mold of the embodiment of the present application, when in use, first places a copper rod in the chamber, at which time the lower end of the copper rod is immersed in the cylindrical cavity 204 and contacts the lower cold heading punch 203; the driving device drives the upper clamp 207 or the upper die seat 206 to move downward, and the pull rod 212 passes through the hole on the upper pull block 210, so that when the upper pull block 210 moves downward, the pull rod 212 limits the horizontal movement of the upper pull block 210; then the upper cold heading punch 208 contacts the upper end surface of the copper rod so that the copper rod is slowly squeezed, and then the guide column 209 is immersed in the positioning groove 211, and finally the upper cold heading punch 208 is immersed in the boss cavity 205, until the boss-type copper contact connector is extruded into the required size; after the stamping is completed, the driving device drives the upper clamp 207 or the upper die seat 206 to move upward, that is, contact with the lower die 202.

[0114] In some exemplary embodiments, a bottom plate 213 is further provided on the lower surface of the lower mold base 201 .

[0115] In some exemplary embodiments, the pull rod 212 passes through the lower mold base and is fixedly connected to the bottom plate 213 .

[0116] In some exemplary embodiments, the lower mold 202 is fixedly connected to the lower mold base 201 .

[0117] In some exemplary embodiments, the upper clamping plate 207 is fixedly connected to the upper mold base 206 .

[0118] In some exemplary embodiments, the upper cold heading punch 208 is fixedly connected to the upper clamping plate 207 .

[0119] In some exemplary embodiments, the guide post 209 is fixedly connected to the upper clamping plate 207 .

[0120] In some exemplary embodiments, the upper drawing block 210 is fixedly connected to the upper die base.

[0121] Example 2

[0122] Figure 1 This is a schematic diagram of the structure of the boss type copper contact connector. Figure 1 , the boss-type copper contact connector of the embodiment of the present application is described in detail.

[0123] Embodiment 2 is a boss-type copper contact connector, which is formed by stamping using the boss-type copper contact connector processing die of the above embodiment.

[0124] In some exemplary embodiments, the boss-type copper contact connector of the embodiment of the present application has a columnar body 102 portion at one end and a boss portion 101 having a diameter thicker than that of the column 102 at the other end.

[0125] In some exemplary embodiments, the boss portion 101 is cylindrical.

[0126] In some exemplary embodiments, the column 102 may be cylindrical or rectangular as required.

[0127] In some exemplary embodiments, as required, both the boss portion 101 and the column 102 are cylindrical structures.

[0128] Although the implementation methods disclosed in the utility model are as above, the content is only an implementation method adopted to facilitate the understanding of the utility model, and is not used to limit the utility model. Any technician in the field to which the utility model belongs can make any modifications and changes in the form and details of implementation without departing from the spirit and scope disclosed in the utility model, but the scope of patent protection of the utility model shall still be based on the scope defined in the attached claims.

Claims

1. A boss-type copper contact connector processing mold, characterized in that: include: A lower mold, wherein a cavity is provided in the lower mold; The chamber includes a cylindrical cavity; The upper end of the cylindrical cavity is provided with a boss cavity, and the lower end thereof is provided with a lower cold heading punch; The diameter of the boss cavity is larger than the diameter of the cylindrical cavity; The upper surface of the boss cavity is flush with the upper surface of the lower mold; Upper die seat; An upper clamping plate, located on the lower surface of the upper die seat; An upper cold heading punch is provided on the lower surface of the upper clamping plate; The size of the upper cold heading punch matches the size of the boss cavity; When the copper rod is placed in the cavity, the upper die seat moves downward, and a boss-type stamping part matching the cavity is obtained through the extrusion of the upper cold heading punch and the cavity.

2. The boss-type copper contact connector processing mold according to claim 1, characterized in that: A guide column is also provided on the lower surface of the upper clamping plate; The guide column is located on the side of the upper cold heading punch; A positioning groove is also provided on the lower die; The positioning groove matches the guide column; When the upper die seat moves downward, the guide column falls into the positioning groove.

3. The boss-type copper contact connector processing mold according to claim 2, characterized in that: There are no less than one guide post and no less than one positioning slot, and the number of the guide posts is the same as the number of the positioning slots.

4. The boss-type copper contact connector processing mold according to claim 3, characterized in that: Also included are: A lower die base is provided, and the lower die is placed on the upper surface of the lower die base.

5. The boss-type copper contact connector processing mold according to claim 4, characterized in that: An upper drawing block is also provided on the upper die seat; The upper pull block extends toward the lower die; The upper pull material block is arranged on the side of the upper clamping plate.

6. The boss-type copper contact connector processing mold according to claim 5, characterized in that: A pull rod is also provided on the lower die base; The pull rod extends toward the upper die seat; The pull rod is arranged on the side of the lower mold.

7. The boss-type copper contact connector processing mold according to claim 6, characterized in that: The upper material pulling block is provided with a hole. When the upper material pulling block moves toward the lower mold direction along with the upper mold base, the pull rod is placed in the hole on the upper material pulling block.

8. The boss-type copper contact connector processing mold according to claim 7, characterized in that: When the upper cold heading punch is placed in the boss cavity, the upper drawing block and the drawing rod are both located on the side of the lower die.

9. The boss-type copper contact connector processing mold according to claim 8, characterized in that: The extended end of the upper pull block is provided with a protrusion protruding toward the outer side of the lower mold; The hole on the upper pull material block is arranged on the raised portion; The hole on the upper pull material block is a through hole that penetrates the raised portion; The length of the pull rod is greater than the moving distance of the upper die seat relative to the lower die.

10. A boss-type copper contact connector, characterized in that: The boss-type copper contact connector is punched using a processing die as described in any one of claims 1 to 9.

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