Cylindrical battery cell side-by-side series welding production line

Abstract

The utility model discloses a cylindrical battery cell side-by-side series welding production line which comprises a machine frame, a feeding conveying belt, an overturning mechanism, a welding mechanism and a material moving mechanism, the feeding conveying belt is used for conveying battery cells side by side, and a limiting assembly is arranged at the discharging end of the feeding conveying belt; the turnover mechanism comprises a first motor, a first mounting frame, a first air cylinder and a first material suction seat, the first motor is used for driving the first mounting frame to rotate, the first air cylinder is used for driving the first material suction seat to ascend and descend, a first material groove is formed in the bottom of the first material suction seat, a battery cell is contained in the first material groove, and the first material suction seat is used for adsorbing the battery cell; the welding mechanism is used for welding the battery cells in series through conductive strips; the material moving mechanism comprises a moving assembly and a second material suction base, and a plurality of second material grooves are formed in the bottom of the second material suction base. According to the side-by-side series welding production line for the cylindrical battery cells, the battery cells can be turned over at intervals in the side-by-side battery cell conveying process, and series welding of the battery cells fed side by side is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of cylindrical battery cell production equipment, in particular to a cylindrical battery cell parallel series welding production line. Background Art

[0002] In the production process of cylindrical battery cells, multiple battery cells need to be connected in series, that is, the positive electrode of the previous battery cell and the negative electrode of the next battery cell need to be welded through conductive strips.

[0003] In the related art, in order to improve production efficiency, a welding production line is usually used for continuous production.

[0004] Conventionally, when feeding battery cells into a welding production line, the battery cells are fed side by side in the same direction, that is, the positive and negative poles of the battery cells face the same direction.

[0005] However, when welding battery cells in series, the positive and negative poles of two adjacent battery cells need to face opposite directions so that the two adjacent battery cells can be welded in series through conductive strips. Existing welding production lines are unable to perform series welding on battery cells that are fed side by side. Utility Model Content

[0006] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a cylindrical battery cell parallel series welding production line, which can flip the battery cell interval during the parallel conveying of the battery cells to achieve series welding of the parallel fed battery cells.

[0007] According to the first aspect of the utility model, a cylindrical battery cell parallel series welding production line includes: a frame; a feed conveyor belt, which is arranged on the frame, the feed conveyor belt is used to convey the battery cells side by side, and the discharge end of the feed conveyor belt is provided with a limit assembly, and the limit assembly is used to block the battery cells; a flipping mechanism, which is located above the feed conveyor belt and is used to drive the battery cells to flip, including a first motor, a first mounting frame, a first cylinder and a first suction seat, the first mounting frame is rotatably arranged on the frame, the first motor is used to drive the first mounting frame to rotate, the first cylinder is arranged on the first mounting frame, and the first cylinder is used to drive The first material suction seat is raised and lowered, and a first material trough is provided at the bottom of the first material suction seat, the first material trough accommodates a battery cell, and the first material suction seat is used to absorb the battery cell; a welding mechanism is used to weld the battery cells in series through conductive strips; a material moving mechanism is located between the feed conveyor belt and the welding mechanism, and is used to move the battery cell from the feed conveyor belt to the welding mechanism, including a moving component and a second material suction seat arranged on the moving component, a plurality of second material troughs are provided at the bottom of the second material suction seat, one second material trough accommodates a battery cell, the second material suction seat is used to absorb a plurality of battery cells, and the moving component is used to drive the second material suction seat to move.

[0008] The cylindrical battery cells parallel series welding production line according to the embodiment of the utility model has at least the following beneficial effects:

[0009] 1. The utility model arranges a feed conveyor belt on a frame, the feed conveyor belt is used to convey the battery cells side by side, and a limiting component is arranged at the discharge end of the feed conveyor belt, the limiting component is used to block the battery cells, thereby facilitating the battery cells to be arranged side by side at the discharge end of the feed conveyor belt.

[0010] 2. The utility model sets a flipping mechanism above the feed conveyor belt, the flipping mechanism is used to drive the battery cell to flip, the flipping mechanism includes a first motor, a first mounting frame, a first cylinder and a first suction seat, the first mounting frame is rotatably arranged on the frame, the first motor is used to drive the first mounting frame to rotate, the first cylinder is arranged on the first mounting frame, the first cylinder is used to drive the first suction seat to rise and fall, a first trough is arranged at the bottom of the first suction seat, the first trough accommodates a battery cell, and the first suction seat is used to absorb the battery cell. It can be understood that the flipping mechanism can flip the spaced battery cells by 180°, so that two adjacent battery cells arranged side by side on the feed conveyor belt can be flipped. The poles are in opposite directions, which is convenient for the subsequent welding mechanism to weld two adjacent battery cells in series. When the feeding conveyor belt transports the battery cell to be flipped to the bottom of the flipping mechanism, the first cylinder drives the first suction seat to descend, so that the first suction seat adsorbs the battery cell, and then the first cylinder drives the first suction seat to rise, and the first motor drives the first mounting frame to rotate, so that the battery cell on the first suction seat is flipped 180°, and then the first cylinder drives the first suction seat to descend again, so that the first suction seat puts the flipped battery cell back on the feeding conveyor belt, thereby making the electrodes of two adjacent battery cells side by side on the feeding conveyor belt face opposite directions, so that the battery cells fed side by side can be welded in series.

[0011] 3. The utility model provides a welding mechanism, which is used to weld the battery cells in series through conductive strips, thereby realizing automatic welding of the battery cells by the welding production line and improving efficiency.

[0012] 4. The utility model sets a material moving mechanism between the feed conveyor belt and the welding mechanism, the material moving mechanism is used to move the battery cells from the feed conveyor belt to the welding mechanism, the material moving mechanism includes a moving component and a second material suction seat arranged on the moving component, a plurality of second material troughs are arranged at the bottom of the second material suction seat, one second material trough accommodates one battery cell, the second material suction seat is used to absorb a plurality of battery cells, and the moving component is used to drive the second material suction seat to move. It can be understood that the second material suction seat can absorb multiple side-by-side battery cells at the same time and move the battery cells to the welding mechanism for welding, so that the welding mechanism can perform series welding on the multiple battery cells on the second material suction seat.

[0013] According to some embodiments of the utility model, a plurality of strip grooves are provided on the outer surface of the feed conveyor belt, the length direction of the strip grooves is perpendicular to the conveying direction of the feed conveyor belt, and the strip grooves are used to position the bottom of the battery cell.

[0014] According to some embodiments of the utility model, a first sensor is provided on the feed conveyor belt, the first sensor is located on the front side of the first suction seat, and the first sensor is used to sense the battery cells passing on the feed conveyor belt and control the flipping mechanism to flip the battery cells.

[0015] According to some embodiments of the utility model, a baffle plate and a second cylinder are also provided on the feed conveyor belt, the baffle plate is located below the first suction seat, the baffle plate is used to block the movement of the battery cells so that the battery cells can be adsorbed by the first suction seat, and the second cylinder is used to drive the baffle plate to approach and move away from the feed conveyor belt so that the baffle plate can block and avoid the battery cells.

[0016] According to some embodiments of the utility model, the first material suction seat has a first vacuum suction hole, one end of the first vacuum suction hole is connected to a vacuum pump, and the other end of the first vacuum suction hole is connected to the first material trough, and the first vacuum suction hole is used to adsorb the battery cell.

[0017] According to some embodiments of the utility model, the moving assembly includes a translation member translatedly arranged on the frame, a lifting member arranged on the translation member, and the second material suction seat is arranged on the lifting member.

[0018] According to some embodiments of the utility model, the second material suction seat has a second vacuum suction hole, one end of the second vacuum suction hole is connected to a vacuum pump, and the other end of the second vacuum suction hole is connected to the second material trough, and the second vacuum suction hole is used to adsorb the battery cell.

[0019] According to some embodiments of the utility model, the limiting assembly includes a first material seat arranged at the discharge end of the feed conveyor belt, a baffle rod arranged on the first material seat for sliding up and down, and a third cylinder for driving the baffle rod to rise and fall, the top surface of the first material seat is flush with the top surface of the feed conveyor belt, the top surface of the first material seat supports the battery cells from the feed conveyor belt, and the third cylinder drives the baffle rod to rise and fall so that the baffle rod protrudes from the top surface of the first material seat to block the battery cells or extends under the top surface of the first material seat to avoid the battery cells.

[0020] According to some embodiments of the utility model, a conductive strip conveying mechanism is also provided on the frame, and the conductive strip conveying mechanism is located between the feed conveyor belt and the welding mechanism. The conductive strip conveying mechanism includes a unwinding disk, a guide member, two conveying wheels and a cutter rotatably arranged on the frame, the unwinding disk is used to support the unwinding of the rolled conductive strip, the guide member has a guide groove, the guide groove accommodates the conductive strip passing through, the discharge end of the guide groove is located in front of the welding mechanism, the two conveying wheels clamp and convey the conductive strip, the cutter is located between the discharge end of the guide groove and the welding mechanism, and the cutter is used to cut the conductive strip.

[0021] According to some embodiments of the present invention, the welding mechanism includes a welding gun and a translation seat that drives the welding gun to approach and move away from the battery core.

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0024] Figure 1 It is a structural schematic diagram of a cylindrical battery cell parallel series welding production line according to an embodiment of the utility model;

[0025] Figure 2 for Figure 1 A top view is shown;

[0026] Figure 3 This is an enlarged view of point A shown in the figure.

[0027] Reference numerals: 100-frame, 110-feeding conveyor belt, 120-limiting assembly, 130-turning mechanism, 140-first motor, 150-first mounting frame, 160-first cylinder, 170-first suction seat, 180-first material trough, 190-welding mechanism, 200-material moving mechanism, 210-moving assembly, 220-second suction seat, 230-second material trough, 240-strip trough, 250-first transmission Sensor, 260- material baffle plate, 270- second cylinder, 280- first vacuum suction hole, 290- translation part, 300- lifting part, 310- second vacuum suction hole, 320- first material seat, 330- baffle rod, 340- third cylinder, 350- conductive strip conveying mechanism, 360- unwinding disk, 370- guide part, 380- conveying wheel, 390- cutter, 400- guide groove, 410- welding gun, 420- translation seat. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] The following describes a cylindrical battery cell parallel series welding production line according to an embodiment of the utility model in conjunction with the accompanying drawings.

[0033] Reference Figure 1 , Figure 2 and Figure 3 The cylindrical battery cell parallel series welding production line of the embodiment of the utility model includes a frame 100, a feeding conveyor belt 110, a turning mechanism 130, a welding mechanism 190 and a material moving mechanism 200.

[0034] The feed conveyor belt 110 is arranged on the frame 100 and is used to convey the battery cells side by side. A limiting assembly 120 is provided at the discharge end of the feed conveyor belt 110 and is used to block the battery cells, thereby facilitating the battery cells to be arranged side by side at the discharge end of the feed conveyor belt 110 .

[0035] In some specific embodiments, a plurality of strip grooves 240 are provided on the outer surface of the feed conveyor belt 110, and the length direction of the strip grooves 240 is perpendicular to the conveying direction of the feed conveyor belt 110. The strip grooves 240 are used to position the bottom of the battery cells, thereby preventing the battery cells from rolling on the feed conveyor belt 110 when the feed conveyor belt 110 is conveying the battery cells, thereby making the battery cells more stable on the feed conveyor belt 110.

[0036] In some specific embodiments, a first sensor 250 is provided on the feed conveyor belt 110, and the first sensor 250 is located on the front side of the first suction seat 170. The first sensor 250 is used to sense the battery cells passing on the feed conveyor belt 110 and control the flipping mechanism 130 to flip the battery cells. Therefore, when the first sensor 250 senses the battery cells that need to be flipped, it controls the flipping mechanism 130 to flip the battery cells, thereby enabling the flipping mechanism 130 to accurately adsorb and flip the battery cells.

[0037] In some specific embodiments, a baffle plate 260 and a second cylinder 270 are also provided on the feed conveyor belt 110. The baffle plate 260 is located below the first suction seat 170. The baffle plate 260 is used to block the movement of the battery cell so that the battery cell can be adsorbed by the first suction seat 170. The second cylinder 270 is used to drive the baffle plate 260 to approach and move away from the feed conveyor belt 110 so that the baffle plate 260 blocks and avoids the battery cell. Therefore, when the feed conveyor belt 110 transports the battery cell to the bottom of the first suction seat 170, the baffle plate 260 can block the battery cell, so that the battery cell stops moving, and then, the first suction seat 170 can accurately adsorb the battery cell. After the flipping mechanism 130 flips the battery cell or the battery cell that does not need to be flipped passes by, the second cylinder 270 can drive the baffle plate 260 away from the feed conveyor belt 110, so that the baffle plate 260 can avoid the battery cell.

[0038] In some specific embodiments, the limiting assembly 120 includes a first material seat 320 arranged at the discharge end of the feed conveyor belt 110, a baffle rod 330 slidably arranged on the first material seat 320, and a third cylinder 340 driving the baffle rod 330 to rise and fall. The top surface of the first material seat 320 is flush with the top surface of the feed conveyor belt 110, and the top surface of the first material seat 320 supports the battery cells from the feed conveyor belt 110. The third cylinder 340 drives the baffle rod 330 to rise and fall so that the baffle rod 330 protrudes from the top surface of the first material seat 320 to block the battery cells or extends under the top surface of the first material seat 320 to avoid the battery cells.

[0039] It can be understood that when the battery cells are arranged at the discharge end of the feed conveyor belt 110, the third cylinder 340 can drive the baffle rod 330 to rise and protrude from the top surface of the first material seat 320, so that the baffle rod 330 can block the movement of the battery cells and prevent the battery cells from falling from the discharge end of the feed conveyor belt 110. When the material transfer mechanism 200 transfers the arranged battery cells, the third cylinder 340 can drive the baffle rod 330 to descend and extend under the top surface of the first material seat 320, so that the baffle rod 330 can avoid the material transfer mechanism 200.

[0040] As for the flipping mechanism 130, the flipping mechanism 130 is located above the feed conveyor belt 110, and is used to drive the battery cell to flip. The flipping mechanism 130 includes a first motor 140, a first mounting frame 150, a first cylinder 160 and a first suction seat 170. The first mounting frame 150 is rotatably arranged on the frame 100, and the first motor 140 is used to drive the first mounting frame 150 to rotate. The first cylinder 160 is arranged on the first mounting frame 150, and the first cylinder 160 is used to drive the first suction seat 170 to rise and fall. A first material trough 180 is arranged at the bottom of the first suction seat 170, and the first material trough 180 accommodates a battery cell. The first suction seat 170 is used to adsorb the battery cell.

[0041] It can be understood that the flipping mechanism 130 can flip the spaced battery cells 180°, so that the electrodes of two adjacent battery cells arranged side by side on the feeding conveyor belt 110 face opposite directions, which is convenient for the subsequent welding mechanism 190 to weld the two adjacent battery cells in series. When the feeding conveyor belt 110 transports the battery cells to be flipped to the bottom of the flipping mechanism 130, the first cylinder 160 drives the first suction seat 170 to descend, so that the first suction seat 170 adsorbs the battery cells, and then the first cylinder 160 drives the first suction seat 170 to rise, and the first motor 140 drives the first mounting bracket 150 to rotate, so that the battery cells on the first suction seat 170 are flipped 180°, and then the first cylinder 160 drives the first suction seat 170 to descend, so that the first suction seat 170 puts the flipped battery cells back onto the feeding conveyor belt 110, thereby making the electrodes of two adjacent battery cells arranged side by side on the feeding conveyor belt 110 face opposite directions, thereby realizing series welding of the battery cells fed side by side.

[0042] In some specific embodiments, the first suction seat 170 has a first vacuum suction hole 280, one end of the first vacuum suction hole 280 is connected to the vacuum pump, and the other end of the first vacuum suction hole 280 is connected to the first material trough 180, and the first vacuum suction hole 280 is used to adsorb the battery cell, so that the first suction seat 170 can quickly adsorb the battery cell.

[0043] As for the welding mechanism 190, the welding mechanism 190 is used to weld the battery cells in series through the conductive strips, thereby realizing automatic welding of the battery cells by the welding production line and improving efficiency.

[0044] In some specific embodiments, the welding mechanism 190 includes a welding gun 410 and a translation seat 420 that drives the welding gun 410 to approach and move away from the battery cell. Therefore, when the material moving mechanism 200 drives the battery cell through the welding mechanism 190, the translation seat 420 drives the welding to approach the battery cell, so that the welding gun 410 can weld the battery cell. After welding a welding position, the translation seat 420 drives the welding gun 410 away from the battery cell, so that the welding gun 410 can avoid the battery cell, thereby facilitating the material moving mechanism 200 to drive the battery cell to move to the next welding position for welding.

[0045] In some specific embodiments, a conductive strip conveying mechanism 350 is further provided on the frame 100, and the conductive strip conveying mechanism 350 is located between the feed conveyor belt 110 and the welding mechanism 190. The conductive strip conveying mechanism 350 includes a reel 360, a guide member 370, two conveying wheels 380 and a cutter 390 rotatably arranged on the frame 100. The reel 360 is used to support the unwinding of the rolled conductive strip, the guide member 370 has a guide groove 400, and the guide groove 400 accommodates the conductive strip to pass through. The discharge end of the guide groove 400 is located in front of the welding mechanism 190, and the two conveying wheels 380 clamp and convey the conductive strip. The cutter 390 is located between the discharge end of the guide groove 400 and the welding mechanism 190, and the cutter 390 is used to cut the conductive strip.

[0046] It can be understood that the rolled conductive strip is unwound on the unwinding disk 360, so that the conductive strip enters the guide groove 400, and the two conveying wheels 380 clamp and convey the conductive strip, so that the conductive strip moves toward the welding mechanism 190. After the conductive strip enters the welding mechanism 190, the cutter 390 cuts the conductive strip, so that the two ends of the conductive strip are respectively welded to the positive and negative electrodes of the two adjacent battery cells, thereby realizing automatic conveying of the conductive strip and further improving efficiency.

[0047] Furthermore, a second motor is provided on the frame 100, and the second motor is used to drive one of the conveying wheels 380 to rotate, so that the second motor can drive the conveying wheel 380 to rotate intermittently, so that the two conveying wheels 380 can convey the conductive strips at intervals, which facilitates the conductive strip conveying mechanism 350 to suspend conveying the conductive strips when the welding mechanism 190 welds the battery cells, thereby enabling the conveying of the conductive strips to adapt to the movement of the battery cells.

[0048] As for the material moving mechanism 200, the material moving mechanism 200 is located between the feeding conveyor belt 110 and the welding mechanism 190. The material moving mechanism 200 is used to move the battery cells from the feeding conveyor belt 110 to the welding mechanism 190. The material moving mechanism 200 includes a moving component 210 and a second material suction seat 220 arranged on the moving component 210. A plurality of second material troughs 230 are arranged at the bottom of the second material suction seat 220. One second material trough 230 accommodates one battery cell. The second material suction seat 220 is used to absorb a plurality of battery cells. The moving component 210 is used to drive the second material suction seat 220 to move.

[0049] It is understandable that the second suction seat 220 can simultaneously absorb multiple parallel battery cells and move the battery cells to the welding mechanism 190 for welding, so that the welding mechanism 190 can perform series welding on the multiple battery cells on the second suction seat 220 .

[0050] In some specific embodiments, the moving component 210 includes a translation member 290 that is translationally arranged on the frame 100, a lifting member 300 that is arranged on the translation member 290, and the second suction seat 220 is arranged on the lifting member 300, so that the translation member 290 and the lifting member 300 can cooperate to drive the second suction seat 220 to translate and lift, and further, the material transfer mechanism 200 can avoid other parts of the welding production line during the process of transferring the battery cells.

[0051] In some specific embodiments, the second suction seat 220 has a second vacuum suction hole 310, one end of the second vacuum suction hole 310 is connected to the vacuum pump, and the other end of the second vacuum suction hole 310 is connected to the second material trough 230, and the second vacuum suction hole 310 is used to adsorb the battery cell, so that the second suction seat 220 can quickly adsorb the battery cell.

[0052] In some specific embodiments, a material unloading conveyor belt is further included. The material unloading conveyor belt is located on a side of the welding mechanism 190 away from the feeding conveyor belt 110. The material transfer mechanism 200 can transfer the battery cells through the welding mechanism 190 to the material unloading conveyor belt. The material unloading conveyor belt is used to transport the battery cells.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. Cylindrical battery cells parallel series welding production line, characterized in that: include: Rack(100); A feeding conveyor belt (110) is arranged on the frame (100), the feeding conveyor belt (110) is used to convey the battery cells side by side, and a limiting component (120) is arranged at the discharge end of the feeding conveyor belt (110), the limiting component (120) is used to block the battery cells; a turning mechanism (130), located above the feed conveyor belt (110), and used for driving the battery cell to turn over, comprising a first motor (140), a first mounting frame (150), a first cylinder (160), and a first material suction seat (170); the first mounting frame (150) is rotatably arranged on the frame (100); the first motor (140) is used for driving the first mounting frame (150) to rotate; the first cylinder (160) is arranged on the first mounting frame (150); the first cylinder (160) is used for driving the first material suction seat (170) to rise and fall; a first material trough (180) is arranged at the bottom of the first material suction seat (170); the first material trough (180) accommodates a battery cell; and the first material suction seat (170) is used for adsorbing the battery cell; A welding mechanism (190) for welding the battery cells in series via conductive strips; The material moving mechanism (200) is located between the feed conveyor belt (110) and the welding mechanism (190) and is used to move the battery cells from the feed conveyor belt (110) to the welding mechanism (190). The material moving mechanism (200) comprises a moving component (210) and a second material suction seat (220) arranged on the moving component (210). A plurality of second material troughs (230) are arranged at the bottom of the second material suction seat (220). Each second material trough (230) accommodates a battery cell. The second material suction seat (220) is used to absorb a plurality of battery cells. The moving component (210) is used to drive the second material suction seat (220) to move.

2. The cylindrical battery cell parallel series welding production line according to claim 1 is characterized in that: The outer surface of the feed conveyor belt (110) is provided with a plurality of strip grooves (240), the length direction of the strip grooves (240) is perpendicular to the conveying direction of the feed conveyor belt (110), and the strip grooves (240) are used to position the bottom of the battery cell.

3. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: A first sensor (250) is provided on the feeding conveyor belt (110), the first sensor (250) being located at the front side of the first suction seat (170), the first sensor (250) being used to sense the battery cells passing on the feeding conveyor belt (110) and to control the flipping mechanism (130) to flip the battery cells.

4. The cylindrical battery cell parallel series welding production line according to claim 3 is characterized in that: A baffle plate (260) and a second cylinder (270) are also provided on the feed conveyor belt (110); the baffle plate (260) is located below the first suction seat (170); the baffle plate (260) is used to block the movement of the battery cell so that the battery cell is adsorbed by the first suction seat (170); and the second cylinder (270) is used to drive the baffle plate (260) to approach and move away from the feed conveyor belt (110) so that the baffle plate (260) blocks and avoids the battery cell.

5. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The first material suction seat (170) has a first vacuum suction hole (280), one end of the first vacuum suction hole (280) is connected to a vacuum pump, and the other end of the first vacuum suction hole (280) is connected to the first material trough (180), and the first vacuum suction hole (280) is used to absorb the battery cell.

6. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The moving assembly (210) comprises a translation member (290) translationally arranged on the frame (100), and a lifting member (300) arranged on the translation member (290), and the second material suction seat (220) is arranged on the lifting member (300).

7. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The second material suction seat (220) has a second vacuum suction hole (310), one end of the second vacuum suction hole (310) is connected to a vacuum pump, and the other end of the second vacuum suction hole (310) is connected to the second material trough (230), and the second vacuum suction hole (310) is used to absorb the battery cell.

8. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The limiting assembly (120) comprises a first material seat (320) arranged at the discharge end of the feeding conveyor belt (110), a blocking rod (330) slidably arranged on the first material seat (320) and a third cylinder (340) driving the blocking rod (330) to rise and fall, wherein the top surface of the first material seat (320) is flush with the top surface of the feeding conveyor belt (110), the top surface of the first material seat (320) supports the battery cells from the feeding conveyor belt (110), and the third cylinder (340) drives the blocking rod (330) to rise and fall so that the blocking rod (330) protrudes from the top surface of the first material seat (320) to block the battery cells or extends under the top surface of the first material seat (320) to avoid the battery cells.

9. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The frame (100) is also provided with a conductive strip conveying mechanism (350), the conductive strip conveying mechanism (350) being located between the feed conveyor belt (110) and the welding mechanism (190), the conductive strip conveying mechanism (350) comprising an unwinding disk (360), a guide member (370), two conveying wheels (380) and a cutter (390) rotatably arranged on the frame (100), the unwinding disk (360) being used to support the unwinding of the rolled conductive strip, the guide member (370) having a guide groove (400), the guide groove (400) accommodating the conductive strip passing through, the discharge end of the guide groove (400) being located in front of the welding mechanism (190), the two conveying wheels (380) clamping and conveying the conductive strip, the cutter (390) being located between the discharge end of the guide groove (400) and the welding mechanism (190), and the cutter (390) being used to cut the conductive strip.

10. The cylindrical battery cell parallel series welding production line according to claim 1, characterized in that: The welding mechanism (190) comprises a welding gun (410) and a translation seat (420) for driving the welding gun (410) to move closer to and away from the battery core.

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