CN216105162U - Multi-section tension control laser cutting and rolling all-in-one machine - Google Patents

Multi-section tension control laser cutting and rolling all-in-one machine Download PDF

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Publication number
CN216105162U
CN216105162U CN202122131191.3U CN202122131191U CN216105162U CN 216105162 U CN216105162 U CN 216105162U CN 202122131191 U CN202122131191 U CN 202122131191U CN 216105162 U CN216105162 U CN 216105162U
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rolling
pole piece
frame
roller
laser cutting
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黄春章
邓明能
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Guangdong Haizhong New Energy Equipment Co ltd
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Guangdong Haizhong New Energy Equipment Co ltd
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Abstract

The utility model provides a multistage formula tension control's laser cutting roll-in all-in-one, its includes unwinding device, deviation correcting device, draw gear, laser cutting device, pendulum roller device, roll-in device, coiling mechanism and control system, deviation correcting device is provided with two, and one of them deviation correcting device sets up in the feed inlet department of all-in-one, and another one deviation correcting device sets up in the ejection of compact department of all-in-one, draw gear is used for pressing from both sides tight pole piece, laser cutting device is used for cross cutting pole piece, pendulum roller device is used for adjusting the rate of tension of pole piece, roll-in device is used for calendering pole piece. The utility model has the effect of stabilizing the tension and further improving the production stability.

Description

Multi-section tension control laser cutting and rolling all-in-one machine
Technical Field
The utility model relates to the technical field of lithium ion battery pole piece production, in particular to a multi-section tension control laser cutting and rolling integrated machine.
Background
The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. The new energy automobile comprises four types of Hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy (such as efficient energy storage devices like super capacitors and flywheels) automobiles and the like. At present, the main technical flow of new energy automobiles is an electric route, the new energy automobiles are the key core for realizing 'curve overtaking' in the Chinese automobile industry, and the product quality, the production efficiency, the manufacturing cost and the like of power batteries are the core competitiveness of the new energy automobiles.
The pole piece is an important component in the power battery, the positive pole and the negative pole of the battery are both connected with the pole piece, the pole piece is a part to be led out from the electrode, and the pole piece is connected with other electronic elements through the pole piece so that the battery can be electrified. In the traditional rolling (or rolling and calendering) and laser die cutting (or cutting) of the battery pole piece, the problems of cutting damage, crumpling (or wrinkling), tape breakage and the like of the battery pole piece in the processing process of the die cutting (or cutting) rolling (or rolling and calendering) are caused due to the deviation of the winding and unwinding positions; meanwhile, due to large tension fluctuation, the advancing speed of the battery pole piece is unstable, so that the problems of belt breakage, continuous cutting, poor thickness consistency and the like occur in the die-cutting rolling processing process, and the new bottleneck manufactured by the lithium ion battery pole piece, such as poor quality, low yield, low efficiency, high cost and the like, seriously restricts the development of a power battery and further influences the realization of new energy automobile strategy.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multi-section tension-controlled laser cutting and rolling all-in-one machine aiming at the problems in the prior art and aims to solve the technical problems in the prior art.
The utility model provides a multi-section tension-controlled laser cutting and rolling all-in-one machine, which adopts the following technical scheme:
the utility model provides a multistage formula tension control's laser cutting roll-in all-in-one, includes unwinding device, deviation correcting device, draw gear, laser cutting device, pendulum roller device, roll-in device, coiling mechanism and control system, deviation correcting device is provided with two, and one of them deviation correcting device sets up in the feed inlet department of all-in-one, and another one deviation correcting device sets up in the ejection of compact department of all-in-one, draw gear is used for pressing from both sides tight pole piece, laser cutting device is used for the cross cutting pole piece, pendulum roller device is used for adjusting the rate of tension of pole piece, roll-in device is used for calendering pole piece.
Preferably, the deviation correcting device comprises a base and a deviation correcting frame arranged on the base, a slide rail is arranged on the base along the width direction of the pole piece, the deviation correcting frame is connected to the slide rail in a sliding mode, an electric cylinder is arranged on the base, a piston rod of the electric cylinder is connected to the deviation correcting frame, and the unwinding device comprises an unwinding roller arranged on the deviation correcting frame located at the feeding position of the integrated machine.
Preferably, draw gear including processing board, set up in two on the processing board press from both sides the rod, the pole piece passes through between two clamp rods, be provided with the drive on the processing board press from both sides rod pivoted traction motor, be provided with lift cylinder on the processing board, be provided with the lifting seat on the processing board, one of them the clamp rod rotates and bears on the lifting seat, lift cylinder's piston rod connect in on the lifting seat, the lifting seat with be connected with reset spring between the processing board, laser cutting device including set up in laser cutting ware on the processing board, the clamp rod be located the blowing roller with between the laser cutting ware.
Preferably, the rolling device comprises a rolling frame and two rolling rollers arranged on the rolling frame, the pole piece passes through between the two rolling rollers, and a rolling motor for driving the rolling rollers to rotate is arranged on the rolling frame.
Preferably, the swing roller device includes the swing roller frame, rotate set up in rotation seat on the swing roller frame, set up in swing roller on the rotation seat, it is provided with the rotation cylinder to rotate on the swing roller frame, the piston rod of rotation cylinder rotate connect in on the rotation seat, the pole piece around locating on the swing roller.
Preferably, the roll swinging device is provided with a plurality of roll swinging devices, and the roll swinging devices are positioned beside the rolling device.
Preferably, the winding device comprises a winding frame, a plurality of winding rollers arranged on the winding frame, and a winding motor arranged on the winding frame, wherein the winding motor is used for driving the winding rollers to rotate.
Preferably, the control system comprises a plurality of groups of sensors for sensing the position of the pole piece and a controller electrically connected to the sensors, and the sensors are of a laser switch type or an ultrasonic analog quantity type.
In summary, the utility model includes at least one of the following beneficial technical effects:
when the driving motor works, the clamping rollers are driven to rotate, the two clamping rollers pull out the pole pieces from a material coil on the discharging roller, the pole pieces are conveyed to a laser cutter, the laser cutter performs die cutting on the pole pieces, the pole pieces are conveyed to a compression roller after the die cutting is completed, the servo motor drives the compression roller to rotate, the pole pieces pass through the space between the two compression rollers, the compression roller rolls the pole pieces, a piston rod of the rotating air cylinder stretches, the tension of the pole pieces is adjusted, and the winding motor works to drive the winding roller to rotate, so that the rolled pole pieces are wound; the position of the pole piece in the width direction of the pole piece is fed back in real time through the sensor, the deviation rectifying frame is driven to move in a precise closed loop mode, so that the position of the pole piece is adjusted, the pole piece is clamped tightly through the clamping roller, the front tension and the rear tension of the pole piece are isolated, a series of problems of wrinkling (or folding), belt breakage, cutting, poor thickness consistency and the like are solved, the quality of the pole piece is effectively improved, the production yield and efficiency are improved, and the manufacturing cost of the pole piece is greatly reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a unwinding device and a deviation correcting device in embodiment 1 of the present invention.
Fig. 3 is a schematic structural view of a drawing device and a laser die cutting device in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a roll swinging device and a roll pressing device in embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of a servo motor and a platen roller in embodiment 1 of the present invention.
Fig. 6 is a schematic structural view of a winding device in embodiment 1 of the present invention.
Fig. 7 is a schematic structural diagram of embodiment 2 of the present invention.
In the figure: 1. an unwinding device; 11. a discharge roller; 12. material rolls; 2. a deviation correcting device; 21. a base; 22. a deviation rectifying frame; 23. a slide rail; 3. a traction device; 31. processing a machine table; 32. clamping a stick; 33. a lift cylinder; 34. a lifting seat; 35. a return spring; 4. a laser die cutting device; 41. a laser cutter; 5. a roll swinging device; 51. a swing roller frame; 52. a rotating seat; 53. swinging the roller; 54. rotating the cylinder; 6. a rolling device; 61. a rolling frame; 62. a compression roller; 63. a servo motor; 64. a gear case; 65. a universal joint; 7. a winding device; 71. a winding frame; 72. a wind-up roll; 8. a detection device; 9. and (6) pole pieces.
Detailed Description
The present invention is described in further detail below with reference to figures 1-7.
The embodiment 1 of the utility model discloses a multi-section tension-controlled laser cutting and rolling all-in-one machine, which comprises an unreeling device 1, a deviation correcting device 2, a traction device 3, a laser die cutting device 4, a swing roller 53 device 5, a rolling device 6, a reeling device 7 and a control system which are sequentially arranged, wherein the deviation correcting device 2 is provided with two deviation correcting devices, one deviation correcting device 2 is arranged at the feeding position of the all-in-one machine, and the other deviation correcting device 2 is arranged at the discharging position of the all-in-one machine.
Referring to fig. 1 and 2, the deviation correcting device 2 includes a base 21, a deviation correcting frame 22 disposed on the base 21 in a sliding manner, a sliding rail 23 is fixedly disposed on the base 21 along the width direction of the pole piece 9, the deviation correcting frame 22 is connected to the sliding rail 23 in a sliding manner, an electric cylinder is fixedly disposed on the base 21 along the length direction parallel to the sliding rail 23, a piston rod of the electric cylinder is connected to the deviation correcting frame 22, the unwinding device 1 includes an unwinding roller 11 disposed on the deviation correcting frame 22 located at the feeding position of the integrated machine, a material roll 12 of the pole piece 9 is disposed on the unwinding roller 11, the pole piece 9 is led out from the material roll 12, and then the next process is performed.
Referring to fig. 1 and 3, the traction device 3 includes a processing machine 31, two clamping rollers 32 disposed on the processing machine 31 at intervals along a vertical direction, the clamping rollers 32 are disposed along a horizontal direction, the pole piece 9 passes through between the two clamping rollers 32, the pole piece 9 is clamped by the two clamping rollers 32, a traction motor is mounted on the processing machine 31 along an axial length direction of the clamping rollers 32, an output shaft of the traction motor is connected to the clamping rollers 32, and when the traction motor drives the clamping rollers 32 to rotate, the two clamping rollers 32 pull the pole piece 9 out from the material roll 12. In addition, a lifting oil cylinder 33 is fixedly installed on the processing machine table 31 along the vertical direction, a lifting seat 34 is connected to the processing machine table 31 in a sliding manner, two ends of a clamping roller 32 located on the upper portion are rotatably supported on the lifting seat 34, a piston rod of the lifting oil cylinder 33 is connected to the lifting seat 34, meanwhile, a return spring 35 is connected between the lifting seat 34 and the processing machine table 31, the return spring 35 is arranged along the vertical direction, and when two clamping rollers are clamped on the pole piece 9 to enable the pole piece 9 not to move, the return spring 35 is in a compression state. The laser die cutting device 4 includes a laser cutter 41 mounted on the processing machine table 31, a laser head of the laser cutter 41 faces the pole piece 9, and the clamping roller 32 is located between the discharging roller 11 and the laser cutter 41. When the traction motor works, the clamping rollers 32 are driven to rotate, the two clamping rollers 32 pull the pole piece 9 out of the material roll 12 on the discharging roller 11, the pole piece 9 is conveyed to the position of the laser cutter 41, and the laser cutter 41 performs die cutting on the pole piece 9.
Referring to fig. 4 and 5, the rolling device 6 includes a rolling frame 61, two rollers 62 disposed on the rolling frame 61 at intervals along a vertical direction, the rollers 62 are disposed along a horizontal direction, the pole piece 9 passes between the two rollers 62, and when the pole piece 9 passes between the two rollers 62, the two rollers 62 roll the pole piece 9. The rolling frame 61 is fixedly provided with a rolling motor 63 along the horizontal direction, and the rolling motor 63 can be one of a servo motor and a DDR motor; the rolling frame 61 is fixedly provided with a gear box 64, an output shaft of the rolling motor 63 is connected to an input end of the gear box 64, and a universal joint 65 is connected between an output end of the gear box 64 and the rolling roller 62. The rolling motor 63 drives the press rollers 62 to rotate through the gear box 64 during operation, so that the pole piece 9 passes through the space between the two press rollers 62 and is rolled on the pole piece 9, and the gear box 64 can increase the output torque of the rolling motor 63, thereby improving the production stability.
Referring to fig. 1 and 4, two swing roller 53 devices 5 are provided, two swing roller 53 devices 5 are located on two opposite sides of a rolling frame 61, each swing roller 53 device 5 includes a swing roller frame 51, a rotating seat 52 arranged on the swing roller frame 51, and a swing roller 53 arranged on the rotating seat 52 and rotatably supported along a horizontal direction, one end of the rotating seat 52 is rotatably supported on the swing roller frame 51, the swing roller 53 is located at the other end of the rotating seat 52, a rotating cylinder 54 is arranged on the swing roller frame 51, one end of the rotating cylinder 54 is rotatably supported on the swing roller frame 51, a piston rod of the rotating cylinder 54 is rotatably connected to the rotating seat 52, and a pole piece 9 is wound on the swing roller 53. When the tension of the pole piece 9 needs to be adjusted, the piston rod of the rotating cylinder 54 stretches, so that the rotating seat 52 and the swing roller 53 are driven to move, the pole piece 9 is pulled, and the tension of the pole piece 9 is adjusted.
Referring to fig. 1 and fig. 6, in addition, the winding device 7 includes a winding frame 71, a winding roller 72 disposed on the winding frame 71 along the horizontal direction, and a winding motor fixedly mounted on the winding frame 71 along the axial length direction of the winding roller 72, and in this embodiment, the number of the winding roller 72 and the number of the winding motor are preferably two; the output shaft of the winding motor is connected to one end of the winding roller 72. The winding motor works to drive the winding roller 72 to rotate, so that the rolled pole piece 9 is wound. In addition, the control system comprises a plurality of groups of sensors for sensing the positions of the pole pieces 9 and the position of the swing roller and a controller electrically connected to the sensors, the sensors are of one of a laser switch type and an ultrasonic analog quantity type, and the controller is electrically connected to each device. In addition, a detection device 8 is further arranged between the swing roller 53 device 5 and the winding device 7, the detection device 8 comprises a photoelectric detector, the pole piece 9 passes through the photoelectric detector, and the photoelectric detector can detect whether the size of the rolled pole piece 9 meets the standard.
A feed end sensor feeds back the position of the pole piece in the width direction of the pole piece in real time, an electric cylinder at the feed end is driven to work in a closed loop mode, and a deviation rectifying frame is driven to slide, so that the unreeling position of the pole piece is adjusted; the traction motor drives the clamping roller to draw the pole piece to advance at the set speed S1V, and the laser cutter performs die cutting on the pole piece, so that the stability of the speed and the tension of the pole piece during laser cutting is ensured. The position of the swing roller is adjusted by rotating the air cylinder, the tensioning state of the battery pole piece is adjusted in real time, meanwhile, the position of the swing roller is fed back through real-time sampling, so that the actual traction speed S2V of the pole piece is obtained, the actual traction speed S2V is matched with the set traction speed S1V of the clamping roller, and the rotating speed of the traction motor is adjusted, so that the traction speed of the clamping roller is adjusted to be close to the set traction speed S1V. When the sensor senses that the position of the swing roller close to one side of the unwinding device is in the front, the tension of the pole piece is high, the unwinding speed is low, the actual traction speed of the pole piece is lower than the set traction speed S1V, and the controller controls the rotating speed of the traction motor to be increased, so that the unwinding speed of the pole piece is adjusted to be increased to be close to the set traction speed S1V; when the sensor senses that the position of the swing roller close to one side of the unwinding device is behind, the controller controls to reduce the rotating speed of the traction motor, so that the unwinding speed of the pole piece is reduced. When the sensor senses that the position of the swing roller close to one side of the winding device is in front, the tension of the pole piece is high, the winding speed is high, and the controller controls the rotating speed of the winding motor to be reduced, so that the winding speed of the pole piece is adjusted and reduced; when the sensor senses that the position of the swing roller close to one side of the winding device is behind, the tension of the pole piece between the rolling device and the winding device is smaller, and the controller controls the rotation speed of the winding motor to be increased, so that the winding speed of the pole piece is increased. Therefore, the speed and the tension stability of the pole piece in the pressing process are ensured. The rolling motor works to drive the press roller to rotate, and the battery pole piece is rolled and processed; the discharge end sensor feeds back the position of the battery pole piece in the width direction of the pole piece in real time, the electric cylinder of the discharge end is driven to work in a closed loop mode, the deviation rectifying frame is driven to slide, and the winding position of the pole piece is adjusted.
The tension control method and the pole piece laser cutting and rolling all-in-one machine in the embodiment 1 of the utility model have the following implementation principles: when the traction motor works, the clamping rollers 32 are driven to rotate, the pole piece 9 is pulled out from the material coil 12 on the discharging roller 11 by the two clamping rollers 32, the pole piece 9 is conveyed to the laser cutter 41, the laser cutter 41 performs die cutting on the pole piece 9, the pole piece 9 is conveyed to the compression roller 62 after die cutting, the compression roller 62 is driven to rotate by the rolling motor 63, the pole piece 9 passes through the space between the two compression rollers 62, the compression roller 62 simultaneously performs rolling on the pole piece 9, the piston rod of the rotating cylinder 54 stretches out and draws back, the tension of the pole piece 9 is adjusted, and the winding motor works to drive the winding roller 72 to rotate, so that the rolled pole piece 9 is wound; the position of the pole piece 9 in the width direction of the pole piece 9 is fed back in real time through a sensor, the deviation rectifying frame 22 is driven to move in a precise closed loop mode, the position of the pole piece 9 is adjusted, the pole piece 9 is clamped tightly through the clamping roller 32, the front tension and the rear tension of the pole piece 9 are separated, a series of problems of wrinkling (or folding), belt breakage, cutting, poor thickness consistency and the like are solved, the quality of the pole piece 9 is effectively improved, the production yield and efficiency are improved, and the manufacturing cost of the pole piece 9 is greatly reduced.
Example 2: the difference with embodiment 1 lies in that the position order of each device of all-in-one is different, specifically, refer to fig. 7, including unwinding device 1, deviation correcting device 2, pendulum roller 53 device 5, roll-in device 6, draw gear 3, laser cutting device 4, detection device 8, coiling mechanism 7 and the control system who sets gradually, deviation correcting device 2 is provided with two, one of them deviation correcting device 2 sets up in the feeding department of all-in-one, another one deviation correcting device 2 sets up in the ejection of compact department of all-in-one, pendulum roller 53 device 5 is provided with two, two pendulum roller 53 devices 5 are located the relative both sides of roll-in device 6.
Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (8)

1. The utility model provides a multistage formula tension control's laser cutting roll-in all-in-one which characterized in that: including unwinding device (1), deviation correcting device (2), draw gear (3), laser cutting device (4), pendulum roller device (5), roll-in device (6), coiling mechanism (7) and control system, deviation correcting device (2) are provided with two, and one of them deviation correcting device (2) sets up in the feeding department of all-in-one, and another one deviation correcting device (2) sets up in the ejection of compact department of all-in-one, draw gear (3) are used for pressing from both sides tight pole piece (9), laser cutting device (4) are used for cross cutting pole piece (9), pendulum roller device (5) are used for adjusting the rate of tension of pole piece (9), roll-in device (6) are used for calendering pole piece (9).
2. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: deviation correcting device (2) include base (21), set up in frame (22) of rectifying on base (21), the width direction of following pole piece (9) is provided with slide rail (23) on base (21), frame (22) of rectifying slide connect in on slide rail (23), be provided with the electric jar on base (21), the piston rod of electric jar connect in frame (22) of rectifying, unwinding device (1) is including setting up blowing roller (11) on frame (22) of rectifying that is located all-in-one feeding department.
3. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 2, characterized in that: the traction device (3) comprises a processing machine table (31), two clamping rollers (32) arranged on the processing machine table (31), a pole piece (9) passes through the two clamping rollers (32), the two clamping rollers (32) are clamped on the pole piece (9), a traction motor for driving the clamping rollers (32) to rotate is arranged on the processing machine table (31), a lifting oil cylinder (33) is arranged on the processing machine table (31), a lifting seat (34) is arranged on the processing machine table (31), one clamping roller (32) rotates to bear the lifting seat (34), a piston rod of the lifting oil cylinder (33) is connected onto the lifting seat (34), a reset spring (35) is connected between the lifting seat (34) and the processing machine table (31), and the laser die cutting device (4) comprises a laser cutter (41) arranged on the processing machine table (31), the clamping roller (32) is positioned between the discharging roller (11) and the laser cutter (41).
4. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: the rolling device (6) comprises a rolling frame (61) and two rolling rollers (62) arranged on the rolling frame (61), the pole piece (9) passes through the two rolling rollers (62), and a rolling motor (63) used for driving the rolling rollers (62) to rotate is arranged on the rolling frame (61).
5. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: pendulum roller (53) device (5) including pendulum roller frame (51), rotate set up in rotation seat (52) on pendulum roller frame (51), set up in swing roller (53) on rotation seat (52), it is provided with rotation cylinder (54) to rotate on pendulum roller frame (51), the piston rod that rotates cylinder (54) rotate connect in on rotation seat (52), pole piece (9) around locating on pendulum roller (53).
6. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: the roll swinging device (5) is provided with a plurality of roll swinging devices, and the roll swinging devices (5) are positioned beside the rolling device (6).
7. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: coiling mechanism (7) include rolling frame (71), set up in a plurality of wind-up roll (72) on rolling frame (71), set up in rolling motor on rolling frame (71), rolling motor's quantity corresponds to wind-up roll (72), rolling motor is used for the drive wind-up roll (72) rotate.
8. The multi-section tension-controlled laser cutting and rolling all-in-one machine according to claim 1, characterized in that: the control system comprises a plurality of groups of sensors used for sensing the positions of the pole pieces (9) and the position of the swing roller and a controller electrically connected with the sensors, and the sensors are of a laser switch type or an ultrasonic analog quantity type.
CN202122131191.3U 2021-09-03 2021-09-03 Multi-section tension control laser cutting and rolling all-in-one machine Active CN216105162U (en)

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CN202122131191.3U CN216105162U (en) 2021-09-03 2021-09-03 Multi-section tension control laser cutting and rolling all-in-one machine

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Application Number Priority Date Filing Date Title
CN202122131191.3U CN216105162U (en) 2021-09-03 2021-09-03 Multi-section tension control laser cutting and rolling all-in-one machine

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602878A (en) * 2021-09-03 2021-11-05 广东海中新能源设备股份有限公司 Tension control method and pole piece laser cutting and rolling all-in-one machine
CN116727897A (en) * 2023-08-15 2023-09-12 深圳和瑞智能装备有限公司 Battery pole piece cutting machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113602878A (en) * 2021-09-03 2021-11-05 广东海中新能源设备股份有限公司 Tension control method and pole piece laser cutting and rolling all-in-one machine
CN116727897A (en) * 2023-08-15 2023-09-12 深圳和瑞智能装备有限公司 Battery pole piece cutting machine
CN116727897B (en) * 2023-08-15 2023-11-17 深圳和瑞智能装备有限公司 Battery pole piece cutting machine

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