Powder metallurgy copper-chromium contact forming female die device

Abstract

The utility model provides a powder metallurgy copper chromium contact forming female die device which comprises a metal supporting table, a female die base and a push plate, a supporting disc is horizontally installed at the upper end in the metal supporting table through a plurality of reinforcing bolts, an outer supporting cylinder is fixed to the edge of the upper end of the supporting disc, and an inner supporting cylinder is fixed to the inner side of the upper end of the supporting disc. The female die base is fixed to the upper end of the metal supporting table through bolts and nuts, a copper-chromium contact curve groove is formed in the inner side of the female die base, a servo motor is longitudinally arranged at the lower end in the metal supporting table, a lead screw is installed at the shaft end of the servo motor, and a lead screw nut is installed on the annular side face of the lead screw. According to the copper-chromium contact die with the formed curved groove, in the forming machining process of a copper-chromium contact, the curved groove does not need to be formed again through an external tool, meanwhile, an upward pushing structure is arranged, the machined and formed copper-chromium contact can be pushed out of the female die base, and the copper-chromium contact die is rapid and convenient to use.

Description

Technical Field

[0001] The utility model relates to a powder metallurgy copper-chromium contact forming female die device, belonging to the technical field of copper-chromium contact dies. Background Art

[0002] During the processing, the copper-chromium contact needs to be added into the female mold device for forming. After forming, it needs to be processed, heat treated and polished by the Cr12MoV material.

[0003] However, due to the special shape of the copper-chromium contact (reference Figure 4 ), the process of opening the curved groove is rather cumbersome and not fast enough, which affects the subsequent work efficiency. Now there is an urgent need for a powder metallurgy copper-chromium contact forming female mold device to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model aims to provide a powder metallurgy copper-chromium contact forming female mold device to solve the problems raised in the above-mentioned background technology. The utility model designs a copper-chromium contact mold with a forming curve groove, so that during the forming process of the copper-chromium contact, there is no need to use external tools to re-open the curve groove. At the same time, it is equipped with a push-up structure, which can push the processed copper-chromium contact out of the female mold seat, which is quick and convenient.

[0005] In order to achieve the above-mentioned purpose, the utility model is realized through the following technical scheme: a powder metallurgy copper-chromium contact forming female mold device, comprising a metal support platform, a female mold seat and a push plate, the upper end of the metal support platform is horizontally installed with a support plate by a plurality of reinforcing bolts, the upper edge of the support plate is fixed with an outer support cylinder, the inner side of the upper end of the support plate is fixed with an inner support cylinder, the female mold seat is fixed to the upper end of the metal support platform by bolts and nuts, a copper-chromium contact curved groove is opened on the inner side of the female mold seat, a servo motor is longitudinally arranged at the lower end of the metal support platform, and a screw rod is installed at the shaft end of the servo motor, and a screw rod nut is installed on the annular side of the screw rod, push rods are longitudinally fixed on the left and right sides of the screw rod nut, push blocks are fixed on the upper ends of the two push rods, the push plate is slidably located at the upper end of the metal support platform, and a copper-chromium contact-shaped push block is fixed on the upper end of the push plate.

[0006] Furthermore, the push block is slidably located inside the inner support tube.

[0007] Furthermore, the upper end of the push block is fixed to the push plate.

[0008] Furthermore, the specifications of the copper-chromium contact-shaped push block match those of the copper-chromium contact curved groove, and the upper end of the copper-chromium contact-shaped push block slides inside the copper-chromium contact curved groove.

[0009] Furthermore, the push plate is horizontally placed on the upper sides of the inner support tube and the outer support tube.

[0010] Furthermore, a plurality of support plates are horizontally fixed on the inner side of the lower end of the metal support platform.

[0011] The beneficial effects of the utility model: the utility model is a powder metallurgy copper-chromium contact forming female mold device. Because the utility model adds a servo motor, a screw nut, a push rod, a push block, a push plate, a copper-chromium contact-shaped push block, a female mold seat, a support plate, an inner support cylinder and an outer support cylinder, our design improvement and actual use show that the device designs a copper-chromium contact mold with a forming curve groove, so that during the forming process of the copper-chromium contact, there is no need to use external tools to re-open the curve groove. At the same time, it is equipped with an upward push structure, which can push the processed copper-chromium contact out of the female mold seat. It is quick and convenient, the mold processing cost is low, the quality of the copper-chromium contacts produced is stable, and it is suitable for mass production. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0013] Figure 1 This is a schematic diagram of the overall structure of a powder metallurgy copper-chromium contact forming female mold device of the utility model;

[0014] Figure 2 It is a three-dimensional schematic diagram of a support plate of a powder metallurgy copper-chromium contact forming female mold device of the utility model;

[0015] Figure 3 It is a top view schematic diagram of a copper-chromium contact curved groove of a powder metallurgy copper-chromium contact forming female die device of the utility model;

[0016] Figure 4 It is a schematic diagram of the existing copper-chromium contact;

[0017] In the figure: 1-metal support table, 2-servo motor, 3-screw nut, 4-push rod, 5-push block, 6-push plate, 7-copper-chromium contact-shaped push block, 8-female mold base, 9-copper-chromium contact curved groove, 10-reinforcement bolt, 11-support plate, 12-inner support cylinder, 13-outer support cylinder. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] See also Figure 1-Figure 4The utility model provides a technical solution: a powder metallurgy copper-chromium contact forming female mold device, comprising a metal support platform 1, a female mold seat 8 and a push plate 6. A support plate 11 is horizontally installed on the upper end of the metal support platform 1 through a plurality of reinforcing bolts 10. An outer support cylinder 13 is fixed to the upper edge of the support plate 11. An inner support cylinder 12 is fixed to the inner side of the upper end of the support plate 11. The female mold seat 8 is fixed to the upper end of the metal support platform 1 by bolts and nuts. A copper-chromium contact curved groove 9 is provided on the inner side of the female mold seat 8. A servo motor 2 is longitudinally arranged at the lower end of the metal support platform 1, and a screw rod is installed at the shaft end of the servo motor 2, and a screw rod nut 3 is installed on the annular side of the screw rod. Push rods 4 are longitudinally fixed on the left and right sides of the screw rod nut 3. Push blocks 5 are fixed on the upper ends of the two push rods 4. The push plate 6 is slidably located at the upper end of the metal support platform 1, and a copper-chromium contact-shaped push block 7 is fixed on the upper end of the push plate 6.

[0020] As the first embodiment of the utility model: the push block 5 is slidably located inside the inner support cylinder 12, and the added push block 5 can drive the push plate 6 to move when it is driven. The upper end of the push block 5 is fixed to the push plate 6, the specifications of the copper-chromium contact-shaped push block 7 match the specifications of the copper-chromium contact curved groove 9, and the upper end of the copper-chromium contact-shaped push block 7 is slidably located inside the copper-chromium contact curved groove 9, and the added push plate 6 can push the copper-chromium contact-shaped push block 7 to move upward in the copper-chromium contact curved groove 9 when it is driven, so as to push out the copper-chromium contact processed and formed in the copper-chromium contact curved groove 9.

[0021] The push plate 6 is horizontally placed on the upper side of the inner support tube 12 and the outer support tube 13. The added inner support tube 12 and the outer support tube 13 can support the push plate 6 to prevent the push plate 6 from being subjected to force and falling. A plurality of support sheets are horizontally fixed to the inner side of the lower end of the metal support platform 1. The added plurality of support sheets can improve the support stability of the metal support platform 1.

[0022] As the second embodiment of the utility model: the copper-chromium contact curved groove 9 is opened to facilitate the copper-chromium contact material to be pressed into it for stamping and forming, so there is no need to use external tools to re-open the curved groove. After the copper-chromium contact is processed and formed in the copper-chromium contact curved groove 9, the servo motor 2 is started, and the shaft end of the servo motor 2 drives the screw to rotate, and then the screw nut 3 can be driven to move upward through the screw principle. At the same time, it will drive the push block 5 to move upward in the inner support tube 12 through the two push rods 4, and then the push block 5 can drive the push plate 6 to move upward, thereby pushing the copper-chromium contact-shaped push block 7 to move upward in the copper-chromium contact curved groove 9, and then the copper-chromium contact processed and formed in the copper-chromium contact curved groove 9 can be pushed upward for the staff to take.

[0023] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A powder metallurgy copper-chromium contact forming female die device, comprising a metal support platform (1), a female die seat (8) and a push plate (6), characterized in that: A support plate (11) is horizontally mounted on the upper inner end of the metal support platform (1) via a plurality of reinforcing bolts (10); an outer support cylinder (13) is fixed to the upper edge of the support plate (11); and an inner support cylinder (12) is fixed to the inner side of the upper end of the support plate (11); The female mold base (8) is fixed to the upper end of the metal support platform (1) by bolts and nuts, and a copper-chromium contact curved groove (9) is opened on the inner side of the female mold base (8). A servo motor (2) is longitudinally arranged at the lower end of the interior of the metal support platform (1), and a screw is installed at the shaft end of the servo motor (2), and a screw nut (3) is installed on the annular side of the screw. Push rods (4) are longitudinally fixed on the left and right sides of the screw nut (3), and push blocks (5) are fixed on the upper ends of the two push rods (4). The push plate (6) is slidably located at the upper end of the interior of the metal support platform (1), and a copper-chromium contact-shaped push block (7) is fixed on the upper end of the push plate (6).

2. A powder metallurgy copper-chromium contact forming female mold device according to claim 1, characterized in that: The push block (5) is slidably located inside the inner support tube (12).

3. A powder metallurgy copper-chromium contact forming female mold device according to claim 1, characterized in that: The upper end of the push block (5) is fixed to the push plate (6).

4. A powder metallurgy copper-chromium contact forming female mold device according to claim 1, characterized in that: The specifications of the copper-chromium contact-shaped push block (7) match those of the copper-chromium contact curved groove (9), and the upper end of the copper-chromium contact-shaped push block (7) slides inside the copper-chromium contact curved groove (9).

5. A powder metallurgy copper-chromium contact forming female mold device according to claim 1, characterized in that: The push plate (6) is horizontally placed on the upper sides of the inner support tube (12) and the outer support tube (13).

6. A powder metallurgy copper-chromium contact forming female mold device according to claim 1, characterized in that: A plurality of support plates are horizontally fixed on the inner side of the lower end of the metal support platform (1).

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