Continuous stamping die for moving contact of circuit breaker

Abstract

The utility model discloses a circuit breaker moving contact continuous stamping die which comprises side plates, the bottom between the side plates is fixedly connected with a bottom plate, the top of the bottom plate is provided with an installation groove, an inner cavity of the installation groove is movably connected with an installation plate, the top of the installation plate is fixedly connected with a lower die holder, and the lower die holder is fixedly connected with an upper die. A through groove is formed in the bottom of the lower die base die cavity. Through the ejector rod, the ejector plate and the electric push rod, after a workpiece is stamped, the electric push rod is opened, the telescopic shaft of the electric push rod drives the ejector plate and the ejector rod to move upwards, the workpiece is ejected out of the inner cavity of the lower die base along with the upward movement of the ejector rod, the material taking mechanical arm takes out the workpiece quickly, and then a new workpiece to be stamped is put in, so that the stamping efficiency is high; the upper die base is moved to the clamping plate at the top of the upper die base to be clamped on the two sides of the fixing base, meanwhile, the bolt penetrates through the top of the mounting frame, and the nut is screwed on the surface of the bolt, so that the upper die base is fixedly mounted at the bottom of the transverse plate and is convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping moving contacts of circuit breakers, in particular to a continuous stamping die for moving contacts of circuit breakers. Background Art

[0002] A circuit breaker is a switching device that can close, carry, and interrupt current under normal circuit conditions, and can close, carry, and interrupt current under abnormal circuit conditions within a specified time. The moving contact of a circuit breaker is one of the key components of a switching device. Its main function is to complete the closing and opening of the circuit when the circuit breaker is operated. The moving contact is usually made of conductive material.

[0003] For example, the Chinese utility model provides a "High-efficiency continuous stamping die for circuit breaker static contacts" with patent number: 202120777475.7. This patent includes a lower die base and an upper die base. The bottom of the upper die base is fixedly connected to a punch. The top of the lower die base is provided with a rectangular groove. The interior of the rectangular groove is provided with a bottom plate. The lower die base can be quickly disassembled through a convenient disassembly structure.

[0004] Although the above document solves the problem that the lower die base of the existing circuit breaker accessories stamping die is inconvenient to disassemble, it still has the disadvantage of not having an ejection structure. After the workpiece is stamped, it needs to be manually removed, which is time-consuming and labor-intensive, and continuous stamping cannot be achieved, and the efficiency is low. For this reason, a continuous stamping die for the moving contact of the circuit breaker is introduced here. Utility Model Content

[0005] The purpose of the utility model is to provide a continuous stamping die for a moving contact of a circuit breaker, which has the advantage of an ejection structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a continuous stamping die for a moving contact of a circuit breaker, comprising side plates, a bottom plate fixedly connected to the bottom between the side plates, a mounting groove provided on the top of the bottom plate, an inner cavity of the mounting groove movably connected to the mounting plate, a lower die base fixedly connected to the top of the mounting plate, a through groove provided on the bottom of the die cavity of the lower die base, an ejector rod movably connected to the inner cavity of the through groove, an ejector plate fixedly connected to the bottom of the ejector rod, an electric push rod fixedly connected to the left side of the lower die base through a fixed plate, and the electric push rod The telescopic shaft of the rod is fixedly connected to the top of the ejection plate, the top between the side plates is fixedly connected to a top frame, the top of the top frame is fixedly connected to a cylinder, the telescopic shaft of the cylinder is fixedly connected to a cross plate, both sides of the cross plate are fixedly connected to a mounting frame, an upper mold base is provided at the bottom of the mounting frame, the tops of both sides of the upper mold base are fixedly connected with bolts, the bolts are fixedly connected to the mounting frame by nuts, the bottom of the cross plate is fixedly connected to a fixing seat, both sides of the fixing seat are movably connected with a clamping plate, and the bottom of the clamping plate is fixedly connected to the top of the upper mold base.

[0007] As a preferred solution, the bottom of the side panel is fixedly connected to a support plate, and the bottom of the support plate is fixedly connected to an anti-slip pad.

[0008] As a preferred solution, a limiting groove is provided on the left side of the lower die base, an inner cavity of the limiting groove is fixedly connected to a limiting rod, and the limiting rod is connected through the ejection plate.

[0009] As a preferred solution, a socket is provided on the front of the base plate, and threaded holes are provided on both sides of the front of the mounting plate.

[0010] As a preferred solution, a positioning frame is fixedly connected to one side of the top of the bottom plate, and one side of the positioning frame is in contact with the surface of the lower mold base.

[0011] As a preferred solution, both sides of the top of the horizontal plate are fixedly connected to limit frames, and the side of the limit frame away from the horizontal plate is fixedly connected to a card frame, and the inner cavity of the card frame is movably connected to the surface of the side plate.

[0012] As a preferred solution, both sides of the upper die base are fixedly connected with handle plates, and the top and bottom of the handle plates are fixedly connected with rubber pads.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model uses an ejector rod, an ejector plate and an electric push rod. After the workpiece is stamped, the electric push rod is opened, and the telescopic shaft of the electric push rod drives the ejector plate and the ejector rod to move upward. As the ejector rod moves upward, the workpiece is ejected from the inner cavity of the lower die base. The material-retrieving mechanical arm quickly takes out the workpiece and then puts in a new workpiece to be stamped, which has high stamping efficiency.

[0015] 2. The utility model uses a horizontal plate, a mounting frame, an upper die seat, bolts, a fixed seat and a clamping plate to move the upper die seat to the top of the clamping plate and clamp it on both sides of the fixed seat. At the same time, the bolts penetrate into the top of the mounting frame and the nuts are screwed on the surface of the bolts to fix the upper die seat to the bottom of the horizontal plate, and it is easy to disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the horizontal plate of the utility model;

[0018] Figure 3 This is a structural diagram of the lower die base of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the bottom plate of the utility model.

[0020] In the figure: 1. Side panel; 2. Bottom panel; 3. Mounting slot; 4. Mounting plate; 5. Lower die base; 6. Through slot; 7. Ejector rod; 8. Ejector plate; 9. Electric push rod; 10. Ejector frame; 11. Cylinder; 12. Horizontal panel; 13. Mounting frame; 14. Upper die base; 15. Bolt; 16. Fixing seat; 17. Clamping plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. Example 1

[0023] See also Figures 1-4 As shown, the utility model provides a continuous stamping die for the moving contact of a circuit breaker, comprising a side plate 1, a bottom plate 2 fixedly connected to the bottom between the side plates 1, a mounting groove 3 provided on the top of the bottom plate 2, a mounting plate 4 movably connected to the inner cavity of the mounting groove 3, a lower die base 5 fixedly connected to the top of the mounting plate 4, a through groove 6 provided on the bottom of the die cavity of the lower die base 5, an ejector rod 7 movably connected to the inner cavity of the through groove 6, an ejector plate 8 fixedly connected to the bottom of the ejector rod 7, an electric push rod 9 fixedly connected to the left side of the lower die base 5 through a fixed plate, a telescopic shaft of the electric push rod 9 fixedly connected to the top of the ejector plate 8, a top frame 10 fixedly connected to the top between the side plates 1, a cylinder 11 fixedly connected to the top of the ejector frame 10, the extension shaft of the cylinder 11 The reduction shaft is fixedly connected to a transverse plate 12, and both sides of the transverse plate 12 are fixedly connected to a mounting frame 13. An upper die base 14 is provided at the bottom of the mounting frame 13, and the tops of both sides of the upper die base 14 are fixedly connected with bolts 15. The bolts 15 are fixedly connected to the mounting frame 13 through nuts. The bottom of the transverse plate 12 is fixedly connected to a fixing seat 16, and both sides of the fixing seat 16 are movably connected with a clamping plate 17. The bottom of the clamping plate 17 is fixedly connected to the top of the upper die base 14. After the workpiece is stamped, the electric push rod 9 is opened, and the telescopic shaft of the electric push rod 9 drives the ejection plate 8 and the ejection rod 7 to move upward. As the ejection rod 7 moves upward, the workpiece is ejected from the inner cavity of the lower die base 5, and the material-retrieving robot arm quickly takes out the workpiece and puts in a new workpiece to be stamped.

[0024] This technical solution is provided with an ejector rod 7, an ejector plate 8 and an electric push rod 9. By providing an ejector mechanism, the workpiece after stamping is quickly ejected, which is more efficient than manual material removal. Example 2

[0025] On the basis of embodiment 1, the present invention is as follows Figure 1 、 Figure 3 and Figure 4 As shown, it is disclosed that the bottom of the side panel 1 is fixedly connected to a support plate, the bottom of the support plate is fixedly connected to an anti-slip pad, a limiting groove is provided on the left side of the lower mold base 5, the inner cavity of the limiting groove is fixedly connected to a limiting rod, the limiting rod is connected through the ejection plate 8, a socket is provided on the front of the bottom plate 2, and threaded holes are provided on both sides of the front of the mounting plate 4.

[0026] The above technical solution is adopted mainly to achieve the purpose of improving the supporting stability of the side panel 1, improving the moving stability of the ejector plate 8 and fixing the mounting plate 4. The area of ​​the support plate is larger than the side panel 1, and an anti-slip pad is provided at the bottom, which greatly improves the placement stability of the stamping die. The ejector plate 8 will not shake when moving on the surface of the limit rod. Insert the fixed long screw into the jack and continue to screw it into the threaded hole on the surface of the mounting plate 4, so that the mounting plate 4 can be fixed in the mounting groove 3. Example 3

[0027] On the basis of embodiment 2, the present invention is as follows Figure 1 As shown, one side of the top of the base plate 2 is fixedly connected to a positioning frame, one side of the positioning frame contacts the surface of the lower mold base 5, both sides of the top of the cross plate 12 are fixedly connected to limiting frames, the side of the limiting frame away from the cross plate 12 is fixedly connected to a card frame, the inner cavity of the card frame is movably connected to the surface of the side plate 1, both sides of the upper mold base 14 are fixedly connected to handle plates, and the top and bottom of the handle plates are fixedly connected to rubber pads.

[0028] The above technical solution is adopted mainly to limit one side of the base plate 2, improve the moving stability of the cross plate 12 and the upper mold base 14 at the bottom thereof, and facilitate the movement of the upper mold base 14. The positioning frame limits one side of the lower mold base 5 so that the mounting plate 4 at the bottom of the lower mold base 5 can be quickly and accurately inserted into the mounting groove 3 at the top of the base plate 2. The card frame moves with the cross plate 12 on the surface of the side plate 1, so that the cross plate 12 and the upper mold base 14 at the bottom thereof are more stable when moving. The staff holds the handle plate with their hands and lifts the upper mold base 14 through the handle plate for more convenient movement.

[0029] The working principle of the utility model is as follows: the workpiece of the moving contact of the circuit breaker to be stamped is placed in the die cavity of the lower die base 5, the cylinder 11 is turned on, and the telescopic shaft of the cylinder 11 drives the cross plate 12 and the upper die base 14 to move downward to stamp the workpiece. After the workpiece is stamped, the electric push rod 9 is turned on, and the telescopic shaft of the electric push rod 9 drives the ejection plate 8 and the ejection rod 7 to move upward. As the ejection rod 7 moves upward, the workpiece is ejected from the inner cavity of the lower die base 5, and the material-retrieving robot arm quickly takes out the workpiece and then puts in a new workpiece to be stamped. The material is retrieved and loaded without stopping the machine, and the stamping efficiency is higher.

[0030] It is important to note that the configuration and arrangement of the present application, as shown in various exemplary embodiments, are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reading this disclosure will readily appreciate that numerous modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various components, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without materially departing from the novel teachings and advantages of the subject matter described herein. For example, components shown as integrally formed may be constructed from multiple parts or components, the positions of components may be inverted or otherwise altered, and the nature, number, or position of discrete components may be modified or changed. Therefore, all such modifications are intended to be encompassed within the scope of this invention. The order or sequence of any process or method steps may be altered or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover structures described herein that perform the function described, and not only structural equivalence but also equivalent structures. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A continuous stamping die for a circuit breaker moving contact, comprising a side plate (1), characterized in that: The bottom between the side plates (1) is fixedly connected to a bottom plate (2), a mounting groove (3) is provided on the top of the bottom plate (2), the inner cavity of the mounting groove (3) is movably connected to a mounting plate (4), the top of the mounting plate (4) is fixedly connected to a lower die base (5), the bottom of the die cavity of the lower die base (5) is provided with a through groove (6), the inner cavity of the through groove (6) is movably connected to an ejection rod (7), the bottom of the ejection rod (7) is fixedly connected to an ejection plate (8), the left side of the lower die base (5) is fixedly connected to an electric push rod (9) through a fixed plate, the telescopic shaft of the electric push rod (9) is fixedly connected to the top of the ejection plate (8), the top between the side plates (1) is fixedly connected to A top frame (10), wherein the top of the top frame (10) is fixedly connected to a cylinder (11), the telescopic shaft of the cylinder (11) is fixedly connected to a transverse plate (12), both sides of the transverse plate (12) are fixedly connected to mounting frames (13), the bottom of the mounting frame (13) is provided with an upper die seat (14), the tops of both sides of the upper die seat (14) are fixedly connected to bolts (15), the bolts (15) are fixedly connected to the mounting frame (13) through nuts, the bottom of the transverse plate (12) is fixedly connected to a fixing seat (16), both sides of the fixing seat (16) are movably connected to a clamping plate (17), and the bottom of the clamping plate (17) is fixedly connected to the top of the upper die seat (14).

2. A continuous stamping die for moving contacts of a circuit breaker according to claim 1, characterized in that: The bottom of the side plate (1) is fixedly connected to a support plate, and the bottom of the support plate is fixedly connected to an anti-slip pad.

3. The continuous stamping die for the moving contact of a circuit breaker according to claim 1, characterized in that: A limiting groove is provided on the left side of the lower die base (5), and a limiting rod is fixedly connected to the inner cavity of the limiting groove, and the limiting rod is connected to the ejection plate (8) through it.

4. The continuous stamping die for moving contacts of a circuit breaker according to claim 1, characterized in that: A socket is provided on the front of the bottom plate (2), and threaded holes are provided on both sides of the front of the mounting plate (4).

5. The continuous stamping die for the moving contact of a circuit breaker according to claim 1, characterized in that: A positioning frame is fixedly connected to one side of the top of the bottom plate (2), and one side of the positioning frame contacts the surface of the lower die base (5).

6. The continuous stamping die for moving contacts of a circuit breaker according to claim 1, characterized in that: Both sides of the top of the transverse plate (12) are fixedly connected to a limiting frame, and a clamping frame is fixedly connected to the side of the limiting frame away from the transverse plate (12), and the inner cavity of the clamping frame is movably connected to the surface of the side plate (1).

7. The continuous stamping die for moving contacts of a circuit breaker according to claim 1, characterized in that: Both sides of the upper die base (14) are fixedly connected with handle plates, and the top and bottom of the handle plates are fixedly connected with rubber pads.

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