A busbar bending device

Abstract

The present application provides a kind of busbar bending device, including profiling mechanism and top pressure mechanism, profiling mechanism includes at least one profiling piece, profiling piece one side has crimping part, adjacent other side has profiling part, crimping part is used to compress the part of busbar, so that the part to be bent of busbar extends the edge of crimping part, the extending direction of part to be bent and the profiling part towards the same side of profiling piece;Top pressure mechanism includes at least one top pressure piece, top pressure piece can be close to or away from profiling piece, top pressure piece has top pressure part, the shape of top pressure part is adapted to the shape of profiling part, top pressure part is used to press part to be bent, so that part to be bent is bent to be attached to profiling part.The present application provides a kind of busbar bending device, by crimping part, by top pressure part, part to be bent is bent to be attached to profiling part, complete busbar bending process.Effectively solve the defects of the prior art bending mode, bending forming effect is poor, bending angle precision is low.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery production equipment, and in particular to a busbar bending device. BACKGROUND

[0002] In the production process of a battery, a busbar bending process is involved, which requires bending a predetermined length of the busbar to a target bending shape. The bending effect of the busbar directly affects the performance of the battery.

[0003] The current busbar bending method usually involves bending a reserved length of the busbar directly at a certain angle, or cutting the reserved length of the busbar and then re-welding it at a certain angle to form a target bending shape. However, the bending part of the busbar is usually arc-shaped when bent directly, which makes it difficult to achieve the target bending angle, resulting in low bending angle precision and poor forming effect. The welding method is not only complicated to operate, but also difficult to accurately weld at the target bending angle. In addition, the welding scar will also affect the forming effect. SUMMARY

[0004] The present application provides a busbar bending device to solve the defects of the prior art, such as complicated bending operation, poor bending forming effect, and low bending angle precision.

[0005] The present application provides a busbar bending device, comprising:

[0006] A profiling mechanism comprising at least one profiling piece, one side of the profiling piece having a pressure contact part and the other side adjacent to the pressure contact part having a profiling part. The pressure contact part is used to press a part of the busbar so that a bending part of the busbar extends beyond the outer edge of the pressure contact part. The extension direction of the bending part and the profiling part are on the same side of the profiling piece.

[0007] A top pressure mechanism comprising at least one top pressure piece. The top pressure piece can move closer to or further away from the profiling piece. The top pressure piece has a top pressure part, the shape of which is adapted to the shape of the profiling part. The top pressure part is used to press the bending part so that the bending part is bent to be in close contact with the profiling part.

[0008] According to the busbar bending device provided by the present application, the profiling part comprises a first profiling surface and a second profiling surface, and the top pressure mechanism has a first state and a second state. In the first state, the top pressure piece presses the bending part to bend towards the first profiling surface and the second profiling surface. In the second state, the top pressure piece presses the bending part to be in close contact with both the first profiling surface and the second profiling surface.

[0009] According to the busbar bending device provided by the present application, the top pressing mechanism further comprises a first driving assembly and a second driving assembly, the first driving assembly is connected with the top pressing piece, the first driving assembly is used to drive the top pressing piece to move in a first direction, so that the top pressing mechanism is in the first state, and the first direction is parallel to the first profiling surface; the second driving assembly is connected with the top pressing piece, the second driving assembly is used to drive the top pressing piece to move in a second direction, so that the top pressing mechanism is in the second state, and the second direction intersects with the first direction.

[0010] According to the busbar bending device provided by the present application, the top pressing mechanism further comprises a first driving assembly and a second driving assembly, the first driving assembly is connected with the top pressing piece, the first driving assembly is used to drive the top pressing piece to move in a first direction, so that the top pressing mechanism is in the first state, and the first direction is parallel to the first profiling surface; the second driving assembly is connected with the top pressing piece, the second driving assembly is used to drive the top pressing piece to move in a second direction, so that the top pressing mechanism is in the second state, and the second direction intersects with the first direction.

[0011] According to the busbar bending device provided by the present application, the profiling mechanism further comprises a third driving assembly, the third driving assembly is connected with the profiling piece, and the third driving assembly is used to drive the profiling piece to move close to or away from the bending station.

[0012] According to the busbar bending device provided by the present application, the profiling mechanism further comprises a second mounting piece, the second mounting piece is connected with the third driving assembly, the profiling piece is mounted on the second mounting piece, and the mounting position of the profiling piece on the second mounting piece can be adjusted in a third direction, the third direction intersects with the first profiling surface and the moving direction of the profiling piece.

[0013] According to the busbar bending device provided by the present application, the included angle between the moving direction of the profiling piece and the compressed part of the busbar is less than or equal to the included angle between the profiling part and the compressed part of the busbar.

[0014] According to the busbar bending device provided by the present application, the top pressing mechanism further comprises a fourth driving assembly and a third mounting piece, the first driving assembly and the second driving assembly are arranged on the third mounting piece, the fourth driving assembly is connected with the third mounting piece, and the fourth driving assembly is used to drive the third mounting piece to move close to or away from the profiling piece.

[0015] According to the busbar bending device provided by the present application, the profiling part is suitable for being attached to the bending part of multiple busbars at the same time, and / or the top pressing piece is suitable for pressing the bending part of multiple busbars at the same time.

[0016] According to the busbar bending device provided by the present application, the number of the profiling pieces and the number of the top pressing pieces are both multiple, and multiple profiling pieces and multiple top pressing pieces are arranged one by one.

[0017] The busbar bending device provided by the application fixes the local busbar by the pressing part of the profiling member, presses the to-be-bent part of the busbar by the pressing part of the pressing member, bends the to-be-bent part of the busbar to tightly fit the profiling part of the profiling member, and bends the busbar to the target bending shape. The bending forming mode of the busbar abutting against the profiling part effectively solves the defects of the prior art, such as complicated operation, poor bending forming effect, and low bending angle precision. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0019] Figure 1 is a perspective structural schematic view of the busbar bending device provided by the embodiment of the present application;

[0020] Figure 2 is a front view of the busbar bending device provided by the embodiment of the present application;

[0021] Figure 3 is a partial schematic view of the busbar bending device provided by the embodiment of the present application;

[0022] Figure 4 is a schematic view of the included angle relationship between the components of the busbar bending device provided by the embodiment of the present application.

[0023] Reference signs:

[0024] 1: profiling mechanism; 11: profiling member; 111: pressing part; 112: profiling part; 1121: first profiling surface; 1122: second profiling surface; 12: third driving assembly; 13: second mounting member;

[0025] 2: pressing mechanism; 21: pressing member; 211: pressing part; 22: first driving assembly; 23: second driving assembly; 24: moving frame; 25: first mounting member;

[0026] 26: buffer assembly; 261: guide cylinder; 262: connecting shell;

[0027] 27: fourth driving assembly; 28: third mounting member;

[0028] 3: frame body;

[0029] 200: busbar; 201: to-be-bent part. DETAILED DESCRIPTION

[0030] In order to make the objects, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be described clearly and completely below with reference to the drawings in the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts should fall into the scope of the present application.

[0031] The present application is described below with reference to the drawings. Figures 1-4 The busbar bending device of the present application is described below.

[0032] As shown in Figures 1 to 3 The present application provides a busbar bending device, which comprises a profiling mechanism 1 and a pressing mechanism 2. The profiling mechanism 1 comprises at least one profiling piece 11, one side of the profiling piece 11 is provided with a pressing part 111, and the other side adjacent to the one side is provided with a profiling part 112. The pressing part 111 is used to press a part of the busbar 200, so that a bending part 201 of the busbar 200 extends out of the outer edge of the pressing part 111, and the extending direction of the bending part 201 and the profiling part 112 are towards the same side of the profiling piece 11. The pressing mechanism 2 comprises at least one pressing piece 21, the pressing piece 21 can move close to or away from the profiling piece 11, and the pressing piece 21 is provided with a pressing part 211. The shape of the pressing part 211 is matched with the shape of the profiling part 112, and the pressing part 211 is used to press the bending part 201, so that the bending part 201 is bent to be close to the profiling part 112.

[0033] In the embodiment, the pressing part 111 of the profiling piece 11 can press a part of the busbar 200, which prepares for the subsequent bending process. The pressing piece 21 can press the bending part 201 of the busbar 200 through the pressing part 211, so that the busbar 200 is bent. Since the pressing part 111 and the profiling part 112 are respectively located on the two adjacent sides, and the extending direction of the bending part 201 and the profiling part 112 are towards the same side of the profiling piece 11, when the pressing part 211 presses the busbar 200, the bending part 201 of the busbar 200 can be bent towards the profiling part 112. The shape of the pressing part 211 is matched with the shape of the profiling part 112, so that the bending part 201 of the busbar 200 is pressed to be close to the profiling part 112 through the pressing part 211, and the busbar 200 is bent to the target bending shape.

[0034] The busbar bending device provided by the application fixes the local part of the busbar 200 by the pressing part 111 of the profiling piece 11, and makes the to-be-bent part 201 of the busbar 200 be pressed by the pressing part 211 of the pressing piece 21, so that the to-be-bent part 201 of the busbar 200 is bent to tightly contact the profiling part 112 of the profiling piece 11, and the busbar 200 is bent to the target bending shape. The bending forming mode of the busbar 200 abutting against the profiling part 112 is simple in operation and good in bending forming effect, and effectively solves the defects of the prior art, such as complicated bending operation, poor bending forming effect, and low bending angle precision.

[0035] It should be noted that the pressed part of the busbar 200 specifically refers to the part of the busbar 200 pressed by the pressing part 111 of the profiling piece 11.

[0036] In one specific embodiment, the profiling piece 11 includes a profiling block, and the pressing piece 21 includes a pressing block.

[0037] In this embodiment, the profiling piece 11 and the pressing piece 21 are both made of PEEK (poly ether ether ketone) non-metal material.

[0038] Specifically, as shown in Figure 3 The profiling part 112 includes a first profiling surface 1121 and a second profiling surface 1122, and the pressing mechanism 2 has a first state and a second state; in the first state, the to-be-bent part 201 is pressed by the pressing piece 21 to bend towards the first profiling surface 1121 and the second profiling surface 1122; in the second state, the to-be-bent part 201 is pressed by the pressing piece 21 to be in close contact with the first profiling surface 1121 and the second profiling surface 1122.

[0039] In this embodiment, the pressing mechanism 2 has the first state and the second state corresponding to two bending processes, in the first state, the to-be-bent part 201 of the busbar 200 is bent by the pressing piece 21 towards the first profiling surface 1121 and the second profiling surface 1122, and the first bending process is completed; in the second state, the to-be-bent part 201 is in close contact with the first profiling surface 1121 and the second profiling surface 1122 by the pressing piece 21, and the second bending process is completed, so that the to-be-bent part 201 of the busbar 200 is in close contact with the first profiling surface 1121 and the second profiling surface 1122 through the two bending processes, and the busbar 200 obtains the target bending shape, and the bending mode is simple and the bending effect is good.

[0040] Specifically, as shown in Figure 2 and Figure 3As shown, the pressing mechanism 2 further comprises a first driving assembly 22 and a second driving assembly 23, the first driving assembly 22 is connected with the pressing piece 21, and the first driving assembly 22 is used to drive the pressing piece 21 to move in a first direction, so that the pressing mechanism 2 is in a first state, and the first direction is parallel to the first profiling surface 1121; the second driving assembly 23 is connected with the pressing piece 21, and the second driving assembly 23 is used to drive the pressing piece 21 to move in a second direction, so that the pressing mechanism 2 is in a second state, and the second direction intersects the first direction.

[0041] In the embodiment, the first driving assembly 22 drives the pressing piece 21 to move in the first direction, the pressing piece 21 moves in the first direction and pushes the to-be-bent part 201 of the busbar 200, the busbar 200 is bent, the first bending is completed, and the second bending process is prepared, the second driving assembly 23 drives the pressing piece 21 to move in the second direction, the pressing piece 21 pushes the to-be-bent part 201 of the busbar 200 in the second direction, the to-be-bent part 201 of the busbar 200 after the first bending is pressed onto the profiling piece 11 and abuts against the profiling part 112, and the busbar 200 after the second bending is obtained; by driving the pressing piece 21 to move through the first driving assembly 22 and the second driving assembly 23, the two bending processes of the busbar 200 are realized, and the bending efficiency is effectively improved; for example, Figure 2 and Figure 3 As shown, the first direction is the upper left in the figure, and the second direction is the left-right direction in the figure.

[0042] Specifically, the first driving assembly 22 and the second driving assembly 23 each comprise a linear driving component such as an adjustable stroke air cylinder, a hydraulic cylinder, and an electric push rod.

[0043] In one specific embodiment, as shown in Figure 1 and Figure 2 The pressing mechanism 2 further comprises a moving frame 24, the first driving assembly 22 is connected with the moving frame 24, the second driving assembly 23 is arranged on the moving frame 24, and the second driving assembly 23 is connected with the pressing piece 21.

[0044] In one specific embodiment, the second direction is perpendicular to the second profiling surface 1122.

[0045] Specifically, as shown in Figure 2 and Figure 3 The pressing mechanism 2 further comprises a first mounting piece 25 and a buffer assembly 26, the first mounting piece 25 is connected with the first driving assembly 22 or the second driving assembly 23, and the pressing piece 21 is connected with the first mounting piece 25 through the buffer assembly 26.

[0046] In the embodiment, the top pressing piece 21 is connected with the first mounting piece 25 through the buffer assembly 26. When the top pressing piece 21 presses the to-be-bent part 201 of the bus bar 200 to be attached to the profiling part 112, the buffer assembly 26 can buffer the top pressing piece 21, avoid the hard contact between the profiling piece 11 and the top pressing piece 21, and prevent the damage of the profiling piece 11, thereby prolonging the service life and avoiding the damage of the bus bar 200, and ensuring the bending effect and the product qualification rate.

[0047] In one specific embodiment, the buffer assembly 26 includes at least one buffer component group, each buffer component group includes a spring, a guide cylinder 261 and a connecting shell 262, the connecting shell 262 is arranged on the first mounting piece 25, the spring and the guide cylinder 261 are coaxially arranged, the two ends of the spring are connected with the top pressing piece 21 and the connecting shell 262 respectively, one end of the guide cylinder 261 is connected with the top pressing piece 21, and the other end of the guide cylinder 261 is connected with the connecting shell 262 in a sliding mode. The guide cylinder 261 can prevent the spring from being abnormally bent, and ensure that the spring stably and reliably provides elastic force.

[0048] In the embodiment, the spring can be arranged inside the guide cylinder 261.

[0049] In the embodiment, the mounting position of the connecting shell 262 on the first mounting piece 25 is adjustable. When the position of the bending station changes, the mounting position of the connecting shell 262 is adjusted adaptively, the position of the top pressing piece 21 is adaptively adjusted, and the bending effect is ensured.

[0050] In one embodiment, the first mounting piece 25 includes a first mounting frame, and the second driving assembly 23 is connected with the first mounting frame to drive the first mounting frame to move, thereby driving the top pressing piece 21 to move.

[0051] Specifically, as shown in Figure 1 and Figure 2 , the profiling mechanism 1 further includes a third driving assembly 12, the third driving assembly 12 is connected with the profiling piece 11, and the third driving assembly 12 is used to drive the profiling piece 11 to move close to or away from the bending station.

[0052] In the embodiment, the third driving assembly 12 is arranged to drive the profiling piece 11 to move close to or away from the bending station, so that the profiling piece 11 automatically presses the bus bar 200, and prepares for the bending process. In addition, the bus bar 200 is pressed by the profiling piece 11, and a clamping and fixing mechanism does not need to be additionally arranged, the structure is simplified, and the cost is saved.

[0053] In one specific embodiment, the third driving assembly 12 includes a pneumatic cylinder, a hydraulic cylinder and an electric push rod, etc.

[0054] Specifically, as shown in Figure 2 and Figure 3As shown, the contouring mechanism 1 also includes a second mounting member 13, which is connected to the third drive assembly 12. The contouring member 11 is mounted on the second mounting member 13, and the mounting position of the contouring member 11 on the second mounting member 13 can be adjusted along a third direction. The third direction intersects with the first contouring surface 1121 and the movement direction of the contouring member 11.

[0055] In this embodiment, by providing the second mounting component 13, the installation and fixing of the contouring component 11 is facilitated. By setting the installation position of the contouring component 11 to be adjustable along a third direction, and the third direction intersecting with the movement direction of the contouring component 11, the position of the contouring component 11 pressing the busbar 200 can be changed as needed, thereby changing the position and size of the pressed part of the busbar 200. This allows for adjustment of the starting bending position of the busbar 200 according to requirements, and thus changes the position and size of the bending part 201 of the busbar 200. It can be applied to the bending of multiple different models and sizes of busbars 200, has good applicability, is more convenient and flexible to use, meets actual usage needs, and is highly practical.

[0056] In one specific embodiment, the contouring member 11 is provided with a first fixing part, and the second mounting member 13 is provided with a plurality of second fixing parts spaced apart along a third direction. The first fixing part is connected to one of the second fixing parts by a fastener, so that the contouring member 11 is detachably connected to the second mounting member 13. For example, both the first fixing part and the second fixing part include threaded holes, and the fastener includes a bolt.

[0057] Specifically, such as Figure 4 As shown, Figure 4 The direction indicated by the middle arrow is the direction of movement of the contouring part 11. The angle between the direction of movement of the contouring part 11 and the pressed part of the busbar 200 is less than or equal to the angle between the contouring part 112 and the pressed part of the busbar 200.

[0058] In the embodiment, the included angle A between the movement direction of the profiling member 11 and the compressed portion of the busbar 200 is less than or equal to the included angle between the profiling portion 112 and the compressed portion of the busbar 200, specifically, the included angle A between the movement direction of the profiling member 11 and the compressed portion of the busbar 200 is less than or equal to the included angle B between the first profiling surface 1121 and the compressed portion of the busbar 200, and the included angle A between the movement direction of the profiling member 11 and the compressed portion of the busbar 200 is also less than or equal to the included angle C between the second profiling surface 1122 and the compressed portion of the busbar 200; the included angle between the profiling portion 112 and the compressed portion of the busbar 200 is the bending angle of the busbar 200, by setting the moving angle of the profiling member 11 to be consistent with or smaller than the bending angle of the busbar 200, it can be prevented that the profiling member 11 interferes with the bent busbar 200 when moving away from the bending station after the bending process is completed, and it can be avoided that the profiling member 11 brings the second-bent busbar 200 back to the straight state and is pulled back to the state before bending when the profiling member 11 retreats, so that the bending effect on the busbar 200 is ensured, and the practicality is high.

[0059] In a specific embodiment, the included angle B between the first profiling surface 1121 and the compressed portion of the busbar 200 is 62°, the included angle C between the second profiling surface 1122 and the compressed portion of the busbar 200 is 90°, and the included angle A between the movement direction of the profiling member 11 and the compressed portion of the busbar 200 is also 62°, by setting the smallest included angle B between the included angle A and the bending angle of the busbar 200 to be equal, it can be avoided that the profiling member 11 brings the second-bent busbar 200 back to the straight state and is pulled back to the state before bending when the profiling member 11 retreats.

[0060] Specifically, as shown in Figure 1 and Figure 2 , the top pressing mechanism 2 further comprises a fourth driving assembly 27 and a third mounting member 28, the first driving assembly 22 and the second driving assembly 23 are both arranged on the third mounting member 28, the fourth driving assembly 27 is connected with the third mounting member 28, and the fourth driving assembly 27 is used to drive the third mounting member 28 to move close to or away from the profiling member 11.

[0061] In the embodiment, the fourth driving assembly 27 is configured to drive the third mounting member 28 to move close to or away from the profiling member 11, so that the first driving assembly 22 and the second driving assembly 23 can be synchronously moved close to or away from the profiling member 11, so as to make the first driving assembly 22 and the second driving assembly 23 reach the respective target working positions, and prepare for the first driving assembly 22 and the second driving assembly 23 to drive the pressing member 21 to press the busbar 200. In addition, the maximum movement stroke of the first driving assembly 22 and the second driving assembly 23 can be shortened, which is beneficial to improve the movement stability and the movement precision of the pressing member 21, ensure that the busbar 200 is tightly pushed against the profiling member 11 by the pressing member 21, improve the bending precision of the busbar 200, and achieve better bending effect.

[0062] In one specific embodiment, the fourth driving assembly 27 includes a linear driving component such as a pneumatic cylinder, a hydraulic cylinder, and an electric push rod, etc., which drives the third mounting member 28 to move, so that the first driving assembly 22 and the second driving assembly 23 can reach the respective target working positions.

[0063] In one specific embodiment, the moving frame 24 is slidably arranged on the third mounting member 28, and the first driving assembly 22 is arranged on the third mounting member 28. The moving frame 24 is connected with the first driving assembly 22, and the first driving assembly 22 drives the moving frame 24 to slide.

[0064] In the embodiment, the moving frame 24 is slidably arranged on the third mounting member 28 through a sliding rail.

[0065] Specifically, as shown in Figure 1 and Figure 2 , the busbar bending device further includes a frame body 3. The second mounting member 13 and the third mounting member 28 are both slidably arranged on the frame body 3. For example, the second mounting member 13 and the third mounting member 28 are both slidably arranged on the frame body 3 through a sliding rail.

[0066] In one specific embodiment, in the busbar welding production line, the working process of the busbar bending device is as follows:

[0067] The positioning fixture drives the busbar 200 to the bending station, the third driving assembly 12 drives the second mounting member 13 to move, drives the profiling member 11 to approach the bending station and press a part of the busbar 200, the fourth driving assembly 27 drives the third mounting member 28 to approach the profiling member 11, so that the first driving assembly 22 and the second driving assembly 23 reach the respective target working positions, the first driving assembly 22 drives the moving frame 24 to move in the first direction, and then drives the pressing member 21 to move in the first direction and press the to-be-bent part 201 of the busbar 200, so that the to-be-bent part 201 is bent towards the first profiling surface 1121 and the second profiling surface 1122, and one bending is completed, then the second driving assembly 23 drives the first mounting member 25 to move in the second direction, and then drives the pressing member 21 to move in the second direction and press the to-be-bent part 201 of the busbar 200, so that the to-be-bent part 201 is in close contact with the first profiling surface 1121 and the second profiling surface 1122, and two bendings are completed, the busbar 200 obtains the target bending shape, and the bending process is ended.

[0068] In one embodiment, the profiling part 112 is adapted to be in close contact with the to-be-bent parts 201 of multiple busbars 200 at the same time, so that the number of profiling members 11 can be reduced without reducing the bending efficiency, the structure is simplified, and the positioning accuracy requirement of the profiling member 11 is reduced.

[0069] In one embodiment, the pressing member 21 is adapted to press the to-be-bent parts 201 of multiple busbars 200 at the same time, so that the number of pressing members 21 can be reduced without reducing the bending efficiency, the structure is simplified, and the positioning accuracy requirement of the pressing member 21 is reduced.

[0070] In one embodiment, the number of profiling members 11 and the number of pressing members 21 are both multiple, and the multiple profiling members 11 and the multiple pressing members 21 are arranged in one-to-one correspondence.

[0071] In the embodiment, by arranging multiple profiling members 11 and multiple pressing members 21, the busbar bending device can bend multiple busbars 200 at the same time, and the bending efficiency is greatly improved.

[0072] For example, the number of profiling members 11 and the number of pressing members 21 are both 10.

[0073] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A bus bar bending device characterized by comprising: The profile mechanism comprises at least one profile piece, one side of the profile piece is provided with a pressing part and the other side adjacent to the pressing part is provided with a profile part, the pressing part is used to press a part of the bus bar so that a part to be bent of the bus bar extends out of the edge of the pressing part, the extending direction of the part to be bent and the profile part are towards the same side of the profile piece. The top pressing mechanism comprises at least one top pressing piece, the top pressing piece is capable of moving close to or away from the profile piece, the top pressing piece is provided with a top pressing part, the shape of the top pressing part is matched with the shape of the profile part, the top pressing part is used to press the part to be bent so that the part to be bent is bent to be close to the profile part. The profile part comprises a first profile surface and a second profile surface, the top pressing mechanism has a first state and a second state; in the first state, the top pressing piece presses the part to be bent to be bent towards the first profile surface and the second profile surface; in the second state, the top pressing piece presses the part to be bent to be close to the first profile surface and the second profile surface. The top pressing mechanism further comprises a first driving assembly and a second driving assembly, the first driving assembly is connected with the top pressing piece, the first driving assembly is used to drive the top pressing piece to move in a first direction so that the top pressing mechanism is in the first state, the first direction is parallel to the first profile surface; the second driving assembly is connected with the top pressing piece, the second driving assembly is used to drive the top pressing piece to move in a second direction so that the top pressing mechanism is in the second state, the second direction intersects with the first direction.

2. The busbar bending device according to claim 1, characterized in that The top pressing mechanism further comprises a first mounting piece and a buffer assembly, the first mounting piece is connected with the first driving assembly or the second driving assembly, the top pressing piece is connected with the first mounting piece through the buffer assembly.

3. The busbar bending device according to claim 2, characterized in that The profile mechanism further comprises a third driving assembly, the third driving assembly is connected with the profile piece, the third driving assembly is used to drive the profile piece to move close to or away from the bending station.

4. The busbar bending device according to claim 1, characterized in that The profile mechanism further comprises a second mounting piece, the second mounting piece is connected with the third driving assembly, the profile piece is mounted on the second mounting piece, and the mounting position of the profile piece on the second mounting piece is capable of being adjusted in a third direction, the third direction intersects with the first profile surface and the moving direction of the profile piece.

5. The busbar bending device according to claim 4, characterized in that The included angle between the moving direction of the profile piece and the pressed part of the bus bar is less than or equal to the included angle between the profile part and the pressed part of the bus bar.

6. The busbar bending device according to claim 4, characterized in that The top pressing mechanism further comprises a fourth driving assembly and a third mounting piece, the first driving assembly and the second driving assembly are arranged on the third mounting piece, the fourth driving assembly is connected with the third mounting piece, the fourth driving assembly is used to drive the third mounting piece to move close to or away from the profile piece.

7. The busbar bending device according to claim 2, characterized in that The profile part is adapted to be close to the part to be bent of a plurality of bus bars at the same time, and / or the top pressing piece is adapted to press the part to be bent of a plurality of bus bars at the same time.

8. The busbar bending device according to claim 1, characterized in that ​ 9. The busbar bending device according to claim 1, characterized in that The number of the profiling pieces and the number of the top pressing pieces are both plural, and the plural profiling pieces and the plural top pressing pieces are arranged one by one in correspondence.

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