CN211077646U

CN211077646U - Lithium battery pole piece supply system

Info

Publication number: CN211077646U
Application number: CN201921620099.XU
Authority: CN
Inventors: 朴星勳; 刘嘉兵
Original assignee: Jiangsu Zhongguancun Jiatuo New Energy Equipment Co Ltd
Current assignee: Jiangsu Jiatuo New Energy Intelligent Equipment Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-07-24
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a lithium battery pole piece supply system, relating to the technical field of lithium battery production; the device comprises an upper support, a lower base, a first swing arm, a second swing arm, a third swing arm, a fourth swing arm, a power mechanism, a translation driving mechanism and a lifting and rotating driving mechanism; the upper support is positioned above the lower base, one end of each of the first swing arm, the second swing arm, the third swing arm and the fourth swing arm is positioned between the upper support and the lower base, the first swing arm and the second swing arm are vertically arranged at the front ends of the upper support and the lower base, and the third swing arm and the fourth swing arm are respectively positioned at two sides of the upper support and the lower base; the power mechanism and the lifting and rotating driving mechanism are both arranged in the lower base; the utility model has the advantages that: this lithium battery pole piece supply system's feed simple structure, the material loading is swift, has improved the material loading efficiency of pole piece.

Description

Lithium battery pole piece supply system

Technical Field

The utility model relates to a lithium cell production technical field, more specifically the utility model relates to a lithium battery pole piece supply system that says so.

Background

In the production process of the storage battery, the positive plate and the negative plate are generally required to be overlapped together and then fed. The feeding mode in the prior art is that a servo motor or a stepping motor is adopted to push the pole pieces on the conveying chain forward step by step, then a sucker is driven by a multi-axis system to move, and the sucker adsorbs the positive pole piece or the negative pole piece to realize feeding. The feeding mode has a complex structure and low feeding efficiency.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a lithium battery pole piece supply system, this lithium battery pole piece supply system's feed simple structure, the material loading is swift, has improved the material loading efficiency of pole piece.

The utility model provides a technical scheme that its technical problem adopted is: the improvement of a lithium battery pole piece supply system is as follows: the device comprises an upper support, a lower base, a first swing arm, a second swing arm, a third swing arm, a fourth swing arm, a power mechanism, a translation driving mechanism and a lifting and rotating driving mechanism;

the upper support is positioned above the lower base, one ends of the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are positioned between the upper support and the lower base, and the other ends of the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are provided with negative pressure adsorption panels for adsorbing battery pole pieces; the first swing arm and the second swing arm are vertically arranged at the front ends of the upper support and the lower base, and the third swing arm and the fourth swing arm are respectively positioned at two sides of the upper support and the lower base;

the power mechanism and the lifting and rotating driving mechanism are both arranged in the lower base, the lifting and rotating driving mechanism comprises a first rotating shaft, the first swing arm and the second swing arm are vertically and fixedly arranged on the first rotating shaft, and the power mechanism is used for driving the first rotating shaft to rotate and lift;

the translation driving mechanism is arranged in the upper support, one end of the third swing arm and one end of the fourth swing arm are arranged on the translation driving mechanism, and the translation driving mechanism is used for driving the third swing arm and the fourth swing arm to translate; the translation driving mechanism comprises a first guide rod, the top end of the first guide rod extends into the upper support, and the first guide rod is used for driving the third swing arm and the fourth swing arm to perform lifting motion under the driving of the power mechanism.

In the structure, the power mechanism comprises a servo motor, a first synchronous belt and a driving cam, an output wheel is installed at the top end of a motor shaft of the servo motor, a following wheel with the same axle center is fixedly installed on one side of the driving cam, and the first synchronous belt is sleeved between the output wheel and the following wheel.

In the above structure, the lifting and rotating driving mechanism includes a first cam follower, a first link, and a first groove connecting block;

the plurality of first cam followers are fixedly arranged on the outer wall surface of the first rotating shaft at intervals, and the driving cam is provided with a plurality of inclined inner grooves matched with each first cam follower, so that different first cam followers are driven to be matched with the corresponding inclined inner grooves through the rotation of the driving cam, and the first rotating shaft is driven to rotate;

the first groove connecting block is fixed at the bottom end of the first rotating shaft, an annular groove is formed in the first groove connecting block, one end of the first connecting rod is rotatably installed on the lower base, a convex column is arranged at the other end of the first connecting rod and clamped into the groove of the first groove connecting block, and the middle of the first connecting rod is rotatably installed on the side wall of the driving cam;

the lower end of the first rotating shaft is slidably mounted in the lower base, and the first swing arm and the second swing arm are fixed in the middle of the first rotating shaft through a swing arm connecting block.

In the structure, the translation driving mechanism comprises a second rotating shaft, a gear assembly, a synchronous pulley, an idler wheel, a translation synchronous belt, a guide rail connecting block and a translation guide rail;

the second rotating shaft is fixedly connected to the top end of the first rotating shaft, the synchronous belt wheel and the idler wheel are rotatably arranged in the upper support, the second rotating shaft drives the synchronous belt wheel to rotate through the transmission of the gear assembly, and the translation synchronous belt is wound between the synchronous belt wheel and the idler wheel;

the guide rail connecting block is connected with the translation synchronous belt, the translation guide rail is fixed in the upper support, and the guide rail connecting block is arranged on the translation guide rail in a sliding manner; and the third swing arm and the fourth swing arm are both connected with a swing arm connecting block, and the swing arm connecting blocks are connected with the guide rail connecting blocks.

In the structure, the translation driving mechanism further comprises a second connecting rod, a second groove connecting block, a follow-up sliding block and a vertical guide rail;

the second groove connecting block is fixed at the bottom end of the first guide rod, an annular groove is formed in the second groove connecting block, one end of the second connecting rod is rotatably installed on the lower base, a convex column is arranged at the other end of the second connecting rod and clamped into the groove of the second groove connecting block, and the middle of the second connecting rod is rotatably installed on the side wall of the driving cam;

vertical guide rail fix on the guide rail connecting block along vertical direction, and the swing arm connecting block slides and sets up on vertical guide rail, follow-up slider fixed mounting on the top of second connecting rod, be provided with the follow-up spout along the horizontal direction on the follow-up slider, the swing arm connecting block on fixedly be provided with second cam follower, and second cam follower card is gone into in the follow-up spout of follow-up slider.

In the structure, a fixing plate is fixedly arranged in the upper support, a first linear bearing is mounted on the fixing plate, and the first guide rod penetrates through the first linear bearing.

In the above structure, the gear assembly is composed of a first gear, a second gear, a third gear and a fourth gear;

the first gear is arranged at the top end of the second rotating shaft, a fixed block is arranged in the upper support, a third rotating shaft is rotatably arranged on the fixed block, the second gear and the third gear are respectively and fixedly arranged at the bottom end and the top end of the third rotating shaft, and the first gear is meshed with the second gear;

the fourth gear is fixed with the synchronous pulley and is meshed with the third gear.

In the above structure, a first bearing seat is fixedly installed on the lower base, a first ball bearing is arranged in the first bearing seat, a linear bearing seat is fixedly arranged on an inner ring of the first ball bearing, a second linear bearing is arranged in the linear bearing seat, and the first rotating shaft penetrates through the second linear bearing;

the inner part of the upper support is fixedly provided with a second bearing seat, a second ball bearing is arranged in the second bearing seat, the lower end of the first gear is fixedly arranged on an inner ring of the second ball bearing, a third linear bearing is fixedly arranged in the first gear, and the second rotating shaft penetrates through the third linear bearing.

The utility model has the advantages that: when the first swing arm carries out pole piece feeding, the second swing arm can rotate to a designated position to absorb a pole piece, and when the second swing arm rotates to the designated position to absorb the pole piece, the first swing arm realizes pole piece feeding, so that uninterrupted pole piece feeding can be realized, and the feeding efficiency is greatly improved; and the structure of the feeding structure is simple, and the overall size of the equipment is reduced.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of a lithium battery pole piece supply system of the present invention.

Fig. 2 is the internal structure schematic diagram of the lithium battery pole piece supply system of the present invention.

Fig. 3 is a schematic diagram of a first side structure of a lithium battery pole piece supply system of the present invention.

Fig. 4 is a schematic diagram of a second side structure of a lithium battery pole piece supply system of the present invention.

Fig. 5 is a schematic cross-sectional view taken along line a-a in fig. 4.

Fig. 6 is a schematic diagram of a second three-dimensional structure of a lithium battery pole piece supply system of the present invention.

Fig. 7 is a schematic view of the connection structure of the first rotating shaft and the second rotating shaft of the lithium battery pole piece supply system of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 to 7, the utility model discloses a lithium battery pole piece supply system realizes supplying with of pole piece through this lithium battery pole piece supply system, realizes shifting positive pole piece, negative pole piece, and the lamination equipment of deuterogamying then can realize piling up of positive pole piece and negative pole piece.

In this embodiment, the lithium battery pole piece supply system includes an upper support 101, a lower base 102, a first swing arm 103, a second swing arm 104, a third swing arm 105, a fourth swing arm 106, a power mechanism 107, a translation driving mechanism 108, and a lifting rotation driving mechanism, where the upper support 101 is located above the lower base 102, one end of each of the first swing arm 103, the second swing arm 104, the third swing arm 105, and the fourth swing arm 106 is located between the upper support 101 and the lower base 102, and the other end of each of the first swing arm 103, the second swing arm 104, the third swing arm 105, and the fourth swing arm 106 is provided with a negative pressure adsorption panel for adsorbing a battery pole piece; the first swing arm 103 and the second swing arm 104 are arranged at the front ends of the upper support 101 and the lower base 102 in a vertical manner, and the third swing arm 105 and the fourth swing arm 106 are respectively positioned at two sides of the upper support 101 and the lower base 102; the power mechanism 107 and the lifting and rotating driving mechanism are both arranged inside the lower base 102, the lifting and rotating driving mechanism includes a first rotating shaft 1101, the first swing arm 103 and the second swing arm 104 are vertically and fixedly mounted on the first rotating shaft 1101, and the power mechanism 107 is configured to drive the first rotating shaft 1101 to rotate and lift, so that the first swing arm 103 and the second swing arm 104 can rotate around the first rotating shaft 1101 under the driving of the power mechanism 107, and can also lift in the vertical direction.

Further, the translation driving mechanism 108 is arranged inside the upper support 101, one end of the third swing arm 105 and one end of the fourth swing arm 106 are arranged on the translation driving mechanism 108, and the translation driving mechanism 108 is used for driving the third swing arm 105 and the fourth swing arm 106 to translate; the translation driving mechanism 108 includes a first guide rod 1081, a top end of the first guide rod 1081 extends into the upper support 101, and the first guide rod 1081 is used for driving the third swing arm 105 and the fourth swing arm 106 to perform a lifting motion under the driving of the power mechanism 107. Therefore, the third swing arm 105 and the fourth swing arm 106 can be driven to reciprocate and move up and down in the vertical direction by the cooperation of the power mechanism 107 and the translation driving mechanism 108.

In the above embodiment, as shown in fig. 1 and fig. 2, the third swing arm 105 and the fourth swing arm 106 are respectively located at the front end and the rear end of the translation driving mechanism 108, and when the translation driving mechanism 108 drives the third swing arm 105 to move forward, the fourth swing arm 106 moves backward, and when the translation driving mechanism 108 drives the third swing arm 105 to move backward, the fourth swing arm 106 moves forward; when feeding the battery pole pieces, two sides of the upper base 101 and the lower base 102 are respectively provided with a production line for conveying the battery pole pieces, generally a positive pole piece production line and a negative pole piece production line, the third swing arm 105 and the fourth swing arm 106 transfer the battery pole pieces to an appointed position through translational motion and lifting motion, and then the first swing arm 103 and the second swing arm 104 feed the battery pole pieces at the appointed position into the lamination equipment. Due to the structural design, the same device can simultaneously realize feeding of the positive plate and the negative plate without mutual interference, after the third swing arm 105 or the fourth swing arm 106 transfers the battery plate to a designated position, the position can be calibrated, and then the first swing arm 103 or the second swing arm 104 is used for feeding, so that the accuracy of the position of the battery plate before feeding is ensured; in addition, when the first swing arm 103 carries out pole piece feeding, the second swing arm 104 can rotate to a designated position to absorb a pole piece, and when the second swing arm 104 rotates to the designated position to absorb the pole piece, the second swing arm 104 realizes pole piece feeding, so that uninterrupted pole piece feeding can be realized, and the feeding efficiency is greatly improved; and the structure of the feeding structure is simple, and the overall size of the equipment is reduced.

As shown in fig. 3, the power mechanism 107 includes a servo motor 1071, a first synchronous belt 1072 and a driving cam 1073, an output wheel is installed at the top end of a motor shaft of the servo motor 1071, a coaxial follower wheel is fixedly installed at one side of the driving cam 1073, and the first synchronous belt 1072 is sleeved between the output wheel and the follower wheel and drives the driving cam 1073 to rotate through the rotation of the servo motor 1071. Further, as shown in fig. 2 and 3, the lifting and rotating driving mechanism includes a first cam follower 1102, a first link 1103 and a first groove connecting block 1104, the plurality of first cam followers 1102 are fixedly arranged on an outer wall surface of the first rotating shaft 1101 at intervals, the driving cam 1073 is provided with a plurality of inclined inner grooves adapted to each first cam follower 1102, so as to drive different first cam followers 1102 to be adapted to the corresponding inclined inner grooves by rotation of the driving cam 1073, so as to drive the first rotating shaft 1101 to rotate, in this embodiment, three first cam followers 1102 are fixed on the outer wall surface of the first rotating shaft 1101 at intervals, and meanwhile, the driving cam 1073 is provided with three inclined inner grooves adapted to each first cam follower 1102, when the driving cam 1073 rotates, because the inclined inner grooves have a certain included angle with a vertical surface, the first cam follower 1102 is driven to deflect, thereby rotating the first rotating shaft 1101, and in this embodiment, the rotating angle of the first rotating shaft 1101 is 90 °. Further, as shown in fig. 3, the first groove connection block 1104 is fixed to the bottom end of the first rotation shaft 1101, a groove which is annular is formed in the first groove connection block 1104, one end of the first connection rod 1103 is rotatably installed on the lower base 102, a convex pillar is arranged at the other end of the first connection rod 1103, the convex pillar is clamped into the groove of the first groove connection block 1104, and the middle of the first connection rod 1103 is rotatably installed on the side wall of the driving cam 1073, so that the first connection rod 1103 can be driven when the driving cam 1073 rotates, and the first rotation shaft 1101 is vertically moved by matching the first connection rod 1103 with the first groove connection block 1104, and therefore, the first rotation shaft 1101 can be driven to rotate and move up and down by driving of the servo motor 1071. In this embodiment, the lower end of the first rotating shaft 1101 is slidably mounted in the lower base 102, and the first swing arm 103 and the second swing arm 104 are fixed to the middle of the first rotating shaft 1101 through a swing arm connecting block.

As shown in fig. 2 to 6, for the translational driving mechanism 108, the present invention provides a specific embodiment, the translational driving mechanism 108 includes a second rotating shaft 1082, a gear assembly, a synchronous pulley 1083, an idle pulley 1084, a translational synchronous belt 1085, a guide rail connecting block 1086 and a translational guide rail 1087, the second rotating shaft 1082 is fixedly connected to the top end of the first rotating shaft 1101, and the second rotating shaft 1082 can be driven by the first rotating shaft 1101 to simultaneously realize rotation and lifting movement; the synchronous pulley 1083 and the idler pulley 1084 are both rotatably mounted inside the upper support 101, the second rotating shaft 1082 drives the synchronous pulley 1083 to rotate through transmission of the gear assembly, the translational synchronous belt 1085 is wound between the synchronous pulley 1083 and the idler pulley 1084, in this embodiment, two idler pulleys 1084 are provided, and when the translational synchronous belt 1085 is wound between the idler pulley 1084 and the synchronous pulley 1083, the synchronous belts on two opposite sides are in a parallel state; moreover, the synchronous belts on the two sides are connected with a guide rail connecting block 1086, the translation guide rail 1087 is fixed inside the upper support 101, the guide rail connecting block 1086 is slidably arranged on the translation guide rail 1087, and when the translation synchronous belt 1085 rotates, the guide rail connecting block 1086 is driven to translate on the translation guide rail 1087; the third swing arm 105 and the fourth swing arm 106 are both connected with a swing arm connecting block 1088, the swing arm connecting blocks 1088 are connected with the guide rail connecting blocks 1086, and the third swing arm 105 and the fourth swing arm 106 are driven by the guide rail connecting blocks 1086 to translate along the direction of the translation guide rail 1087.

In addition, in order to drive the third swing arm 105 and the fourth swing arm 106 to realize the lifting movement, on the basis of the above embodiment, as shown in fig. 4, 5 and 6, the translation driving mechanism 108 further includes a second link 1089, a second groove connecting block 1090, a follower slider 1091 and a vertical guide rail 1092, the second groove connecting block 1090 is fixed at the bottom end of the first guide rod 1081, a ring-shaped groove is formed on the second groove connecting block 1090, one end of the second link 1089 is rotatably mounted on the lower base 102, a convex pillar is arranged at the other end of the second link 1089, the convex pillar is clamped in the groove of the second groove connecting block 1090, and the middle part of the second link 1089 is rotatably mounted on the side wall of the driving cam 1073; vertical guide rail 1092 fix on guide rail connecting block 1086 along vertical direction, and swing arm connecting block 1088 slides and sets up on vertical guide rail 1092, follow-up slider 1091 fixed mounting on the top of second connecting rod 1089, be provided with the follow-up spout along the horizontal direction on the follow-up slider 1091, swing arm connecting block 1088 on fixedly be provided with second cam follower 1093, and second cam follower 1093 card is gone into in the follow-up spout of follow-up slider 1091. In addition, a fixing plate 1011 is fixedly disposed inside the upper support 101, a first linear bearing 1012 is mounted on the fixing plate 1011, and the first guide rod 1081 passes through the first linear bearing 1012.

Through such a structure, when the driving cam 1073 rotates, the second connecting rod 1089 and the second groove connecting block 1090 are matched to drive the first guide rod 1081 to slide up and down in the first linear bearing 1012 so as to drive the follow-up sliding block 1091 to slide up and down together, and the follow-up sliding groove and the second cam follower 1093 are matched to drive the swing arm connecting block 1088 to move up and down, so that the lifting movement of the third swing arm 105 and the fourth swing arm 106 is realized. Therefore, the third swing arm 105 and the fourth swing arm 106 have both the translational motion and the lifting motion.

As shown in fig. 7, in the above embodiment, the present invention provides a specific embodiment of the gear assembly, which is composed of a first gear 1094, a second gear 1095, a third gear 1096 and a fourth gear 1097; the first gear 1094 is mounted at the top end of the second rotating shaft 1082, a fixed block 1098 is arranged inside the upper support 101, a third rotating shaft 1099 is rotatably mounted on the fixed block 1098, the second gear 1095 and the third gear 1096 are respectively and fixedly mounted at the bottom end and the top end of the third rotating shaft 1099, and the first gear 1094 is meshed with the second gear 1095; the fourth gear 1097 is fixed to the timing pulley 1083, and the fourth gear 1097 is engaged with the third gear 1096; therefore, the second shaft 1082 can drive the first gear 1094 to rotate, and the fourth gear 1097 can be driven to rotate by the meshing of the first gear 1094 and the second gear 1095 and the meshing of the third gear 1096 and the fourth gear 1097, so as to drive the synchronous pulley 1083 to rotate.

Further, as shown in fig. 7, for the mounting structure of the first rotating shaft 1101 and the second rotating shaft 1082, the present invention provides an embodiment, a first bearing seat 1021 is fixedly mounted on the lower base 102, a first ball bearing 1022 is disposed inside the first bearing seat 1021, a linear bearing seat 1023 is fixedly disposed on an inner ring of the first ball bearing 1022, a second linear bearing 1024 is disposed inside the linear bearing seat 1023, and the first rotating shaft 1101 passes through the second linear bearing 1024; a lock nut is disposed above the first ball bearing 1022, and an end cap is fixedly disposed above the lock nut, so that the first rotating shaft 1101 can rotate and move up and down with respect to the lower base 102. The inner portion of the upper support 101 is fixedly provided with a second bearing seat 1025, the second bearing seat 1025 is fixed on the fixing plate 1011, the inner portion of the second bearing seat 1025 is provided with a second ball bearing 1026, the lower end of the first gear 1094 is fixedly arranged on the inner ring of the second ball bearing 1026, the inner portion of the first gear 1094 is fixedly provided with a third linear bearing 1027, the second rotating shaft 1082 passes through the third linear bearing 1027, when the second rotating shaft 1082 rotates, the first gear 1094 can be driven to rotate together, when the second rotating shaft 1082 moves up and down, due to the existence of the third linear bearing 1027, the first gear 1094 can not move up and down together with the second rotating shaft 1082, and by the design of the structure, the second rotating shaft 1082 can drive the synchronous pulley 1083 to rotate.

Through foretell structure, set up one respectively in the both sides of the device and be used for transmitting the pole piece assembly line, through third swing arm 105 and fourth swing arm 106, shift positive plate and negative pole piece from the assembly line to the location platform respectively on, rethread first swing arm 103 and second swing arm 104's cooperation, shift positive plate or negative pole piece on the location platform to the lamination equipment in, realize the lamination operation, when third swing arm 105 or fourth swing arm 106 shift the pole piece to the location platform on, can rectify the position of pole piece through the location platform, in order to guarantee that the pole piece is in the last step's of putting into the lamination equipment process, realize the calibration to the pole piece position, the position of pole piece is more accurate when making the lamination operation. In addition, because the utility model discloses in, the power of first swing arm 103, second swing arm 104, third swing arm 105 and fourth swing arm 106 all derives from servo motor 1071, through drive cam 1073, realizes the drive of different swing arms, and holistic cooperation degree is high, can not appear the power source and differ and lead to the problem that the cooperation appears between the different swing arms; moreover, in the overall structure, the plurality of swing arms are driven by one servo motor 1071, so that the overall structure is smaller and more compact, and the overall size of the equipment is reduced.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A lithium battery pole piece supply system is characterized in that: the device comprises an upper support, a lower base, a first swing arm, a second swing arm, a third swing arm, a fourth swing arm, a power mechanism, a translation driving mechanism and a lifting and rotating driving mechanism;

2. The lithium battery pole piece supply system of claim 1, wherein: the power mechanism comprises a servo motor, a first synchronous belt and a driving cam, an output wheel is installed at the top end of a motor shaft of the servo motor, a following wheel with the same axle center is fixedly installed on one side of the driving cam, and the first synchronous belt is sleeved between the output wheel and the following wheel.

3. The lithium battery pole piece supply system of claim 2, wherein: the lifting rotation driving mechanism comprises a first cam follower, a first connecting rod and a first groove connecting block;

4. The lithium battery pole piece supply system of claim 3, wherein: the translation driving mechanism comprises a second rotating shaft, a gear assembly, a synchronous belt wheel, an idler wheel, a translation synchronous belt, a guide rail connecting block and a translation guide rail;

5. The lithium battery pole piece supply system of claim 4, wherein: the translation driving mechanism further comprises a second connecting rod, a second groove connecting block, a follow-up sliding block and a vertical guide rail;

6. The lithium battery pole piece supply system of claim 5, wherein: the inner part of the upper support is fixedly provided with a fixing plate, a first linear bearing is installed on the fixing plate, and the first guide rod penetrates through the first linear bearing.

7. The lithium battery pole piece supply system of claim 4, wherein: the gear assembly consists of a first gear, a second gear, a third gear and a fourth gear;

8. The lithium battery pole piece supply system of claim 7, wherein: a first bearing seat is fixedly installed on the lower base, a first ball bearing is arranged in the first bearing seat, a linear bearing seat is fixedly arranged on an inner ring of the first ball bearing, a second linear bearing is arranged in the linear bearing seat, and the first rotating shaft penetrates through the second linear bearing;