Bus duct terminal cover plate edge folding equipment

Abstract

The utility model discloses bus duct terminal cover plate edge folding equipment, which belongs to the technical field of power transmission and distribution equipment processing and comprises an upper die holder, a male die component, a lower die holder and a female die component. The male die assembly comprises a male die body. A first mold; the adjusting part is used for changing the relative position between the first molds; the female die assembly comprises a female die body. A second mold; the connecting part is connected with the first mold and the second mold; a gap between the two first molds can accommodate the two second molds; the first die is matched with the second die and is used for simultaneously processing folded edges on two sides of a terminal cover plate; according to the device, the two first dies are matched with the second dies, bending can be conducted on the two sides of a terminal cover plate, the distance between the first dies and the distance between the second dies are changed by controlling the adjusting part, and therefore the device is suitable for conducting edge folding machining on terminal cover plates of various widths.

Description

Technical Field

[0001] The utility model relates to the technical field of power transmission and distribution equipment processing, and more specifically, to a hemming device for the terminal cover plate of a busbar trunking. Background Art

[0002] A busbar trunking is a device responsible for transmitting and distributing electric energy in a low-voltage power supply system, and has many advantages such as large current-carrying capacity and high protection level. With the development of the times, the improvement of living standards, and the progress of industrial automation, the power consumption load is getting larger and larger, and this product has been widely used in various industries.

[0003] The busbar trunking needs to be connected to a power distribution cabinet, a transformer, or other power equipment through conductors (such as hard copper bars, soft copper strips, etc.). In the past, during the transportation and installation process of the busbar trunking, the exposed part of the conductor terminal was wrapped with plastic film or cardboard for packaging, which played a role in isolation protection and terminal insulation, and ensured the conductivity of the entire busbar system. On this basis, if you want to change the length or direction of the busbar system, you need to first remove the insulating tape and then install the busbar trunking. To avoid scratching the conductor coating and the insulating material of the conductor during the removal process, in the prior art, a terminal cover that is easy to disassemble and assemble is often used to replace the plastic film or cardboard to protect the conductor.

[0004] In the production process of the busbar trunking terminal cover, first, a steel strip or steel plate is processed into a strip-shaped terminal cover plate by processing equipment, and then a top plate and side plates are folded on the terminal cover plate to obtain the busbar trunking terminal cover. Since the dynamic and thermal shocks generated by the busbar trunking are large, before folding the top plate and side plates, hemming processing needs to be carried out on both side edges of the terminal cover plate. The formed hem can, on the one hand, provide an installation position for the angle aluminum, on the other hand, increase the structural strength of the busbar trunking terminal cover, and can also play a role in blocking external substances from entering the interior of the terminal cover.

[0005] In the related art, a steel plate hemming machine is often used to process hems on both sides of the terminal cover plate, but this processing scheme has the following problems: 1. The steel plate hemming machine can only perform hemming processing on one side of the terminal cover plate each time, with low production efficiency and difficult to guarantee processing accuracy; 2. The bending position needs to be manually marked, which is not convenient for processing the hems of terminal cover plates with different widths. Summary of the Utility Model

[0006] The purpose of the present utility model is to solve the technical problem of low hemming processing efficiency of the terminal cover plate when facing the production tasks of busbar trunking terminal covers with different specifications in the prior art, and to propose a hemming device for the terminal cover plate of a busbar trunking.

[0007] In order to achieve the above purpose, the present utility model adopts the following technical solutions:

[0008] A busbar trunking terminal cover plate hemming device, comprising: an upper die holder, a punch assembly connected to the upper die holder, a lower die holder located directly below the upper die holder, and a die cavity assembly connected to the lower die holder; the punch assembly includes: a punch main body;

[0009] A first die, two of the first dies being connected below the punch main body;

[0010] An adjusting part, which is arranged in the punch main body and connected to the first die, and is used to change the relative position between the first dies;

[0011] The die cavity assembly includes: a die cavity main body;

[0012] A second die, two of the second dies being connected above the die cavity main body;

[0013] A connecting part, which is connected to the first die and the second die, so that the second die can move synchronously with the first die;

[0014] Wherein, the gap between the two first dies can accommodate the two second dies; the first die and the second die cooperate to process hemming on both sides of the terminal cover plate simultaneously.

[0015] Further, the punch main body and the die cavity main body are both in the structure of a rectangular parallelepiped plate; the terminal cover plate is laid on the surface of the second die and is conveyed from one end of the die cavity main body to the other end; a first sliding slot is provided on the lower surface of the punch main body, and the first sliding slot is perpendicular to the conveying direction of the terminal cover plate; a second sliding slot is provided on the upper surface of the die cavity assembly, and the second sliding slot is parallel to the first sliding slot.

[0016] Further, the adjusting part includes: a transmission part connected to the first die, and an electric motor connected to the transmission part; the electric motor is used to drive the transmission part to drive the first die to move.

[0017] Further, the transmission part includes: a lower slide rail, which is fixed in the punch main body and corresponds to the position of the first sliding slot;

[0018] A lower rack, the tooth surface of the lower rack faces upward and is slidably connected in the lower slide rail;

[0019] A first connecting rod, one end of the first connecting rod is fixed on the lower rack, and the other end thereof passes through the first sliding slot and is connected to the first die;

[0020] An upper slide rail, which is parallel to the lower slide rail and corresponds to the position of the first sliding slot;

[0021] The upper rack, the tooth surface of the upper rack faces downward and is slidably connected within the upper slide rail;

[0022] A gear, the gear meshes with the lower rack and the upper rack respectively, and is in transmission connection with the transmission shaft of the electric motor.

[0023] Further, the connecting portion includes: an upper sleeve, the upper sleeve is fixed to one side of the first mold, the upper sleeve is perpendicular to the punch body and corresponds to the position of the second sliding slot;

[0024] A third connecting rod, the third connecting rod has an L-shaped structure, one end of which is slidably connected within the upper sleeve, and the other end is slidably connected within the second sliding slot and is connected to the lower surface of the second mold.

[0025] Further, the length of the third connecting rod in the horizontal direction is greater than the width of the first mold.

[0026] Further, a plurality of the first sliding slots are provided on the lower surface of the punch body, and transmission members matching the number and position of the first sliding slots are provided within the punch body.

[0027] A plurality of the second sliding slots are provided on the upper surface of the die body, and a connecting portion matching the number and position of the second sliding slots is connected to the die body.

[0028] Further, the end of the rotating shaft of the electric motor protrudes from the side surface of the punch body and can rotate relative to the punch body.

[0029] Further, at least two guide posts are provided on the lower die base, the guide posts are perpendicular to the upper surface of the lower die base; guide sleeves matching the position and number of the guide posts are provided on the lower surface of the upper die base; the guide posts are respectively slidably connected within the guide sleeves.

[0030] The beneficial effects of the present utility model are:

[0031] A busbar trough terminal cover plate flanging device provided by the present application, through the cooperation of two first molds and a second mold, can perform bending on both sides of the terminal cover plate, so as to form the flanges on both sides of the terminal cover plate in a single stamping operation; before the busbar trough terminal cover processing device provided in this embodiment performs flanging processing on the terminal cover plate, the adjusting portion is controlled by an external control device or manually to adjust the distance between the first molds and the distance between the second molds, and change the bending position on the terminal cover plate, so that the device is applicable to perform flanging processing on terminal cover plates of various widths. Description of the Drawings

[0032] Figure 1It is a schematic diagram of the overall structure of a hemming device for a busbar terminal cover plate provided in an embodiment of the present utility model;

[0033] Figure 2 It is a schematic diagram of the internal structure of a hemming device for a busbar terminal cover plate provided in an embodiment of the present utility model;

[0034] Figure 3 It is a cross-sectional view of a hemming device for a busbar terminal cover plate provided in an embodiment of the present utility model;

[0035] Figure 4 It is an enlarged view of the structure of a transmission member in an embodiment of the present utility model;

[0036] The markings in the figure are as follows:

[0037] 1. Upper die holder;

[0038] 11. Punch assembly; 111. Punch main body; 112. First die; 113. Adjusting part; 1131. Transmission member; 11311. Lower slide rail; 11312. Lower rack; 11313. First connecting rod; 11314. Upper slide rail; 11315. Upper rack; 11316. Second connecting rod; 11317. Gear; 1132. Electric motor; 12. Die shank; 13. Guide bushing;

[0039] 2. Lower die holder;

[0040] 21. Die cavity assembly; 211. Die cavity main body; 212. Second die; 213. Connecting part; 2131. Upper sleeve; 2132. Third connecting rod; 22. Guide pillar. Specific embodiments

[0041] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the protection scope of the present utility model.

[0042] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0043] In the present utility model, unless otherwise clearly defined and limited, terms such as "connection" and "fixation" shall be understood in a broad sense. For example, "fixation" may be a fixed connection, a detachable connection, or an integral one; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0044] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or the solution where A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0045] Embodiment

[0046] Please refer to Figures 1 to 4 The embodiment of the present application shown provides a hemming device for busbar trunking terminal cover plates. In actual application, the hemming device for busbar trunking terminal cover plates is used to process hemmings on both sides of the terminal cover plate before the terminal cover plate is folded into a busbar trunking terminal cover, so as to improve the structural strength of the finished busbar trunking terminal cover.

[0047] Please refer to Figure 1 , the hemming device for busbar trunking terminal cover plates includes: an upper die base 1, a lower die base 2, a punch assembly 11, and a die assembly 21; both the upper die base 1 and the lower die base 2 are in the structure of a rectangular parallelepiped plate and are of matching sizes; wherein, a die shank 12 for connecting an upper press is fixed on the upper surface of the upper die base 1; the die shank 12 can disperse the impact and vibration during stamping, prevent the upper die base 1 from shaking during the processing, and thus ensure the forming quality and precision of the hemming. The lower die base 2 is located directly below the upper die base 1 and is used to bear the pressure transmitted from above, maintaining the stability of the overall device during the hemming process.

[0048] In this embodiment, the punch assembly 11 is connected to the lower side of the upper die base 1, and it includes: a punch main body 111 and a first die 112; wherein, the punch main body 111 has a rectangular parallelepiped plate structure, and its length matches that of the upper die base 1; the first die 112 has a strip structure, and its length matches that of the punch main body 111, and two first dies 112 are arranged in parallel below the punch main body 111. The punch main body 111 is used to bear the blanking force fed back to the upper die base 1 when the first die 112 cooperates with the die assembly 21 for stamping, so as to prevent the upper die base 1 from being sunken or deformed.

[0049] The die assembly 21 is connected to the upper side of the lower die base 2, and it includes: a die main body 211 and a second die 212; wherein, the die main body 211 has a rectangular parallelepiped plate structure, and its length matches that of the punch main body 111; the second die 212 has a strip structure, and its length matches that of the first die 112, and two second dies 212 are connected to the upper side of the die main body 211 and are parallel to the first die 112; the terminal cover plate to be processed is laid on the surface of the second die 212 and is conveyed from one end of the die main body 211 to the other end.

[0050] In the above technical solution, the distance between the two first dies 112 is greater than the distance between the two second dies 212 and the sum of the widths of the two second dies 212, so that the gap between the two first dies 112 can accommodate the two second dies 212; furthermore, the distance from the projection of the first die 112 on the die main body 211 to the second die 212 matches the thickness of the terminal cover plate;

[0051] Adopting the above technical solution, before processing, the terminal cover plate is input between the punch assembly 11 and the die assembly 21 manually or by a material conveying device and is laid on the surface of the two second dies 212, and the area to be flanged on the terminal cover plate corresponds to the position of the first die 112; when processing the terminal cover plate, the punch main body 111 moves with the upper die base 1 and drives the first die 112 to approach the terminal cover plate. After the first die 112 contacts the terminal cover plate, it is further pressed down, and cooperates with the second die 212 to bend the terminal cover plate, completing the flanging processing task on both sides of the terminal cover plate, and the formed flange is located in the gap between the first die 112 and the second die 212; adopting this technical solution, there is no need for manual marking and edge changing of the terminal cover plate during the processing, and a single stamping action of the equipment can realize the flanging on both sides of the terminal cover plate; and the flanges on both sides are formed at one time, with a high degree of production standardization and controllable precision; it solves the technical problems of low flanging efficiency and difficult quality guarantee of the finished product of the busbar terminal cover in the related technology.

[0052] For busbars of different current ratings, busbar terminal covers of corresponding specifications are required to protect them. The busbar terminal covers are made of terminal cover plates of corresponding widths. To enable the equipment to perform flanging processing on terminal cover plates of various widths, please refer to Figure 2 , in this embodiment, the punch assembly 11 further includes an adjusting portion 113; the adjusting portion 113 is disposed within the punch body 111 and is connected to the first die 112 for changing the relative position between the first dies 112; wherein, a first sliding slot is provided on the lower surface of the punch body 111, and the first sliding slot is perpendicular to the conveying direction of the terminal cover plate. The adjusting portion 113 passes through the first sliding slot and is connected to the first die 112, and the adjusting portion 113 can move the first die 112 along the first sliding slot to change the distance between the two first dies 112.

[0053] More specifically, please refer to Figures 2 to 4 , the adjusting portion 113 includes: a transmission member 1131 connected to the first die 112 and an electric motor 1132 connected to the transmission member 1131; the transmission member 1131 includes: a lower slide rail 11311, a lower rack 11312, a first connecting rod 11313, an upper slide rail 11314, an upper rack 11315, a second connecting rod 11316, and a gear 11317;

[0054] Among them, the lower slide rail 11311 is fixed within the punch body 111, and the lower slide rail 11311 is close to one side wall of the punch body 111 and corresponds to the position of the first sliding slot; the tooth surface of the lower rack 11312 faces upward and is slidably connected within the lower slide rail 11311; one end of the first connecting rod 11313 is fixed to the side of the lower rack 11312 away from the tooth surface, and the other end thereof passes through the first sliding slot and is connected to the first die 112 below it. Thus, when the lower rack 11312 slides along the lower slide rail 11311, the first connecting rod 11313 can drive the first die 112 connected thereto to move along the first sliding slot;

[0055] The upper slide rail 11314 is fixed within the punch body 111, the upper slide rail 11314 is close to the other side wall of the punch body 111, the upper slide rail 11314 is parallel to the lower slide rail 11311 and corresponds to the position of the first sliding slot; the tooth surface of the upper rack 11315 faces downward and is slidably connected within the upper slide rail 11314; one end of the second connecting rod 11316 passes through the first sliding slot and is connected to the other first die 112, and the other end thereof is fixed to one end of the upper rack 11315. Thus, when the upper rack 11315 slides along the upper slide rail 11314, the second connecting rod 11316 can drive the first die 112 connected thereto to move along the first sliding slot;

[0056] The electric motor 1132 is disposed within the punch main body 111. The gears 11317 are respectively meshed with the lower rack 11312 and the upper rack 11315. The gear 11317 is in transmission connection with the transmission shaft of the electric motor 1132. With this technical solution, when it is necessary to change the distance between the first dies 112, the electric motor 1132 is started to drive the gear 11317 to rotate, so that the lower rack 11312 and the upper rack 11315 reciprocate simultaneously in opposite directions, thereby driving the two first dies 112 to move relatively, so as to achieve the technical effect of changing the relative position of the first dies 112 and adjusting the distance between the first dies 112.

[0057] In order to make the connection stability of the first dies 112 better and the adjustment process smoother, as an implementation manner of the present application, a plurality of first sliding slots may be provided on the lower surface of the punch main body 111, and transmission members 1131 matching the number and position of the first sliding slots are provided within the punch main body 111. It can be understood that the electric motor 1132 is located in the middle of the punch main body 111, and its transmission shaft is respectively in transmission connection with the gears 11317 in each transmission member 1131, so as to simultaneously drive a plurality of transmission members 1131 to synchronously adjust the distance between the first dies 112. In the above technical solution, the electric motor 1132 can be connected to an external control device by a cable, so as to facilitate the operator to control the working state of the electric motor 1132. The external control device can be a PLC controller or a servo driver.

[0058] As another implementation manner of the present application, the gears 11317 can also be directly connected by a rotating shaft; the end of the rotating shaft protrudes from the side surface of the punch main body 111 and can rotate relative to the punch main body 111; the purpose of the above design is to facilitate the operator to manually adjust the distance between the first dies 112 by rotating the rotating shaft.

[0059] In order to enable the second die 212 to cooperate with the first dies 112 of various widths to complete the hemming process of the terminal cover plate; in this embodiment, the die assembly 21 further includes a connecting portion 213; the connecting portion 213 is connected to the first die 112 and the second die 212, so that the second die 212 can move synchronously with the first die 112; wherein, a second sliding slot adapted to the connecting portion 213 is provided on the upper surface of the die main body 211, the second sliding slot is parallel to the direction of the first sliding slot, and the connecting portion 213 extends into the second sliding slot from the side surface of the die main body 211 and is connected to the second die 212; when the control adjusting portion 113 moves the first die 112, the connecting portion 213 can pull the second die 212 to move along the second sliding slot, thereby changing the distance between the two second dies 212.

[0060] More specifically, the connecting portion 213 includes: an upper sleeve 2131 and a third connecting rod 2132; wherein, the upper sleeve 2131 is perpendicular to the punch body 111 and is fixed to the outside of the first die 112;

[0061] The position of the upper sleeve 2131 corresponds to the second sliding slot. The third connecting rod 2132 is integrally in an L-shaped structure. One end of it is slidably connected to the inside of the upper sleeve 2131, and the other end is slidably connected to the second sliding slot and is connected to the lower surface of the second die 212. With this technical solution, during the process of the punch assembly 11 moving closer to the die assembly 21, the third connecting rod 2132 can slide and contract into the upper sleeve 2131, thereby reducing the length of the connecting portion 213 in the vertical direction to cooperate with the stamping action of the equipment. During the process of the adjusting portion 113 changing the position of the first die 112, the first die 112 drives the upper sleeve 2131 and the third connecting rod 2132 to move. The third connecting rod 2132 slides in the second sliding slot, further pulling the second die 212 to move horizontally, realizing the synchronous adjustment of the first die 112 and the second die 212.

[0062] In this embodiment, the length of the third connecting rod 2132 in the horizontal direction is greater than the width of the first die 112, so that the second die 212 at the end of the third connecting rod 2132 can be located inside the first die 112. The design of the third connecting rod 2132 makes the relative position between the second die 212 and the first die 112 in the horizontal direction always remain fixed, and the distance from the projection of the first die 112 on the die body 211 to the second die 212 always matches the thickness of the terminal cover plate, so as to ensure that a space for accommodating the hem can be left between the first die 112 and the second die 212 during stamping.

[0063] It can be understood that in order to make the connection between the second die 212 and the adjusting portion 113 more stable and the adjustment process smoother, several second sliding slots can be provided on the upper surface of the die body 211, and a connecting portion 213 matching the number and position of the second sliding slots can be connected to the die body 211.

[0064] As a preferred embodiment of the present application, at least two guide posts 22 are provided on the lower die base 2; the guide posts 22 are perpendicular to the upper surface of the lower die base 2; corresponding positions on the lower surface of the upper die base 1 are provided with guide sleeves 13 adapted to the guide posts 22, and the guide posts 22 are connected in the guide sleeves 13, so that the upper die base 1 can move relative to the lower die base 2 along the direction of the guide posts 22. The cooperation between the guide posts 22 and the guide sleeves 13 is beneficial to the accurate guiding and positioning between the punch assembly 11 and the die assembly 21. The guide posts 22 guide the upper die base 1 to move along a predetermined path during stamping, maintaining the consistency of each stamping contour.

[0065] A hemming device for the terminal cover plate of a busbar trunking provided by the present application can bend both sides of the terminal cover plate through the cooperation of two first dies 112 and a second die 212, so that the hemming on both sides of the terminal cover plate is formed by a single stamping action; before the busbar trunking terminal cover processing device provided in this embodiment performs hemming processing on the terminal cover plate, the adjusting part 113 is controlled and adjusted by an external control device or manually to adjust the distance between the first dies 112 and the distance between the second dies 212, and change the bending position on the terminal cover plate, so that the device is applicable to hemming processing of terminal cover plates of various widths.

[0066] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention should cover equivalent replacements or changes made according to the technical solution and inventive concept of the present invention within the protection scope of the present invention.

Claims

1. A busbar trunking terminal cover plate hemming device, characterized in that, Comprising: an upper die holder, a punch assembly connected to the upper die holder, a lower die holder located directly below the upper die holder, and a die cavity assembly connected to the lower die holder; The punch assembly includes: a punch main body; a first die, two of the first dies being connected to the lower part of the punch main body; an adjusting part, which is arranged in the punch main body and connected to the first die, and is used to change the relative position between the first dies; The die cavity assembly includes: a die cavity main body; a second die, two of the second dies being connected to the upper part of the die cavity main body; a connecting part, which is connected to the first die and the second die, so that the second die can move synchronously with the first die; Wherein, the gap between the two first dies can accommodate the two second dies; the first die and the second die cooperate to simultaneously process flanges on both sides of the terminal cover plate.

2. The edge folding device for the busbar terminal cover plate according to claim 1, characterized in that, The punch main body and the die cavity main body are both in the structure of a rectangular parallelepiped plate; the terminal cover plate is laid on the surface of the second die and is conveyed from one end of the die cavity main body to the other end; a first sliding slot is provided on the lower surface of the punch main body, and the first sliding slot is perpendicular to the conveying direction of the terminal cover plate; a second sliding slot is provided on the upper surface of the die cavity assembly, and the second sliding slot is parallel to the first sliding slot.

3. The edge folding device for the busbar terminal cover plate according to claim 2, characterized in that, The adjusting part includes: a transmission part connected to the first die, and an electric motor connected to the transmission part; the electric motor is used to drive the transmission part to drive the first die to move.

4. A busbar trunking terminal cover plate hemming device according to claim 3, characterized in that, The transmission part includes: a lower sliding rail, which is fixed in the punch main body and corresponds to the position of the first sliding slot; a lower rack, the tooth surface of the lower rack facing upwards and slidingly connected in the lower sliding rail; a first connecting rod, one end of the first connecting rod being fixed to the lower rack, and the other end passing through the first sliding slot and being connected to the first die; an upper sliding rail, which is parallel to the lower sliding rail and corresponds to the position of the first sliding slot; an upper rack, the tooth surface of the upper rack facing downwards and slidingly connected in the upper sliding rail; a gear, which meshes with the lower rack and the upper rack respectively, and is in transmission connection with the transmission shaft of the electric motor.

5. The edge folding device for the busbar terminal cover plate according to claim 2, characterized in that, The connecting part includes: an upper sleeve, which is fixed to one side of the first die, and the upper sleeve is perpendicular to the punch main body and corresponds to the position of the second sliding slot; a third connecting rod, the third connecting rod having an L-shaped structure, one end of which is slidingly connected in the upper sleeve, and the other end is slidingly connected in the second sliding slot and is connected to the lower surface of the second die.

6. The edge folding device for the busbar terminal cover plate according to claim 5, characterized in that, The length of the third connecting rod in the horizontal direction is greater than the width of the first die.

7. A busbar trunking end cover plate hemming device according to claim 3, characterized in that, A plurality of the first sliding slots are provided on the lower surface of the punch main body, and the transmission parts matching the number and position of the first sliding slots are provided in the punch main body; A plurality of the second sliding slots are provided on the upper surface of the die cavity main body, and the connecting parts matching the number and position of the second sliding slots are connected to the die cavity main body.

8. The edge folding device for the busbar terminal cover plate according to claim 3, characterized in that, The end of the rotating shaft of the electric motor protrudes from the side surface of the punch main body and can rotate relative to the punch main body.

9. The edge folding device for the busbar terminal cover plate according to claim 1, wherein, At least two guide columns are provided on the lower die base, and the guide columns are perpendicular to the upper surface of the lower die base; guide sleeves matching the positions and quantities of the guide columns are provided on the lower surface of the upper die base; the guide columns are respectively slidably connected to the guide sleeves.

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