Automatic lamination stacking machine for lithium ion battery processing

Abstract

The invention discloses an automatic lamination stacking machine for lithium ion battery processing, and relates to the technical field of lithium ion battery processing, the automatic lamination stacking machine comprises a base and a separation assembly, a back plate is fixed on the top surface of the rear part of the base, an unwinding module is arranged in the middle of the back plate, and stacking assemblies are symmetrically arranged on the top surface of the front end of the base; transfer assemblies are arranged in the two ends of the back plate. When an electric cylinder lifts a pneumatic suction cup, a compression spring pushes a driving plate to compress an air bag, air stored in the air bag is pressed into an air injection plate through a second one-way valve and a connecting base to form purging airflow, and an ion generator ensures that the airflow is rich in ions and can effectively neutralize electrostatic charges accumulated due to friction and the like of a pole piece; the electrostatic adsorption force is eliminated from the source, meanwhile, the physical impact force generated by the airflow can blow off the next pole piece which is possibly slightly adhered due to vacuum or static electricity, and the uniqueness of each grabbing can be greatly ensured through the synergistic effect of electrostatic elimination and physical separation.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of lithium ion battery processing, in particular to an automatic lamination machine for lithium ion battery processing. BACKGROUND

[0002] The lithium ion battery is a kind of secondary battery, and the core working principle thereof depends on the movement of lithium ions between the positive electrode and the negative electrode. When charged, the lithium ions are deintercalated from the positive electrode, pass through the electrolyte and are intercalated into the negative electrode; when discharged, the lithium ions move in the opposite direction. Unlike the lithium metal battery, the lithium ion battery does not contain metallic lithium, and can be repeatedly charged and discharged, has the characteristics of high energy density and long cycle life. The automatic lamination machine is a core equipment for the production of square lithium battery cells, which stacks the positive and negative electrode sheets and the separator alternately through a "Z" type lamination process to form a cell structure.

[0003] At present, the automatic lamination machine for lithium ion battery processing is usually composed of a material pile, a manipulator and a lamination table. The manipulator picks up the electrode sheet from the material pile and places the electrode sheet alternately on the lamination table to form a positive, negative and separator layout. However, in the actual material picking process, since the electrode sheet is light, when the manipulator adsorbs a single electrode sheet from the material pile, the bottom of the electrode sheet may be adhered to another electrode sheet due to static electricity, resulting in the overlapping of single electrode sheets, and further affecting the quality of the cell. SUMMARY

[0004] The purpose of the present application is to provide an automatic lamination machine for lithium ion battery processing to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: An automatic lamination machine for lithium ion battery processing, comprising a base and a separation assembly, a back plate is fixed on the top surface of the rear part of the base, and a unwinding module is arranged in the middle part of the back plate, a stacking assembly is symmetrically arranged on the top surface of the front end of the base, a transfer assembly is arranged in the inside of both ends of the back plate, the separation assembly is arranged at the lower part of the transfer assembly, the separation assembly comprises a compression spring, the lower part of the transfer assembly is sleeved with the compression spring, the bottom of the compression spring abuts against a driving plate, a support arm is arranged on the top surface of the middle part of the driving plate, the bottom of one end of the support arm abuts against a support plate, an air bag is fixed on the bottom of the driving plate, a first one-way valve is arranged on the top of the driving plate, the upper end of the first one-way valve is threadedly connected with a filter cover, an ion generator is fixedly penetrated through the middle part of the driving plate, second one-way valves are connected at both ends of the lower part of the air bag, the second one-way valves are connected with a connecting seat through pipelines, and a jet plate is rotatably connected with one end of the connecting seat.

[0006] Further, a linear module is arranged on the top central part of the base, a lamination table is arranged in the middle part of the linear module, and pneumatic clamps are arranged at the four corners of the lamination table.

[0007] Further, the stacking assembly comprises a support, the top of the base is symmetrically provided with a support at both ends, the top of the support is fixed with a support table, and the top of the support table is provided with a limiting rod.

[0008] Further, the transfer assembly comprises a pneumatic cylinder, the inside of both ends of the back plate is provided with a pneumatic cylinder, and the output end of the pneumatic cylinder is connected with a translation seat, the top of the translation seat is fixed with an electric cylinder, the output end of the electric cylinder is connected with a lifting frame, the bottom of the lifting frame is symmetrically provided with a guide rod, and the bottom of the guide rod is fixed with a pneumatic suction cup.

[0009] Further, the connecting seat is fixedly connected with the pneumatic suction cup, the connecting seat is hollow, and the air bag is connected with the inside of the air jet plate through the second one-way valve and the connecting seat.

[0010] Further, the two sides of the pneumatic suction cup are provided with an avoiding assembly, the two sides of the pneumatic suction cup are symmetrically provided with a fixed lug, the inside of the fixed lug is slidably connected with a sliding rod, one end of the fixed lug is provided with a sliding column at the top, the outside of the sliding column is sleeved with a driving sleeve, the outside of the driving sleeve is provided with a guide groove, the other end of the sliding rod is provided with a pulley seat, one side of the pulley seat is provided with a guide block, the other side of the pulley seat is abutted with a return spring, and the return spring is abutted with the fixed lug.

[0011] Further, the guide groove is inclinedly distributed along the outside of the driving sleeve, and the driving sleeve is fixedly connected with the air jet plate.

[0012] Further, the guide block is a right trapezoid, and the guide block is fixedly connected with the limiting rod.

[0013] Further, the bottom of the support plate is connected with a step-up assembly, the bottom of the support plate is provided with a connecting rod, the middle outside of the connecting rod is provided with a supporting spring, the supporting spring is abutted with the support table, one end of the top of the support table is fixed with a support sleeve, the support sleeve is slidably connected with the connecting rod, the bottom of the connecting rod is fixed with a first gear rack, one side of the first gear rack is engaged with a first gear shaft, one end of the first gear shaft is fixed with a one-way bearing, and the one-way bearing is rotatably connected with the support.

[0014] Further, the output end of the one-way bearing is connected with an end tooth rod, one end of the end tooth rod is embedded with a second gear shaft, one side of the second gear shaft is engaged with a second gear rack, the top of the second gear rack is fixed with a supporting plate, one side of the inside of the support is abutted with a positioning spring, one end of the positioning spring is abutted with a first side tooth disc, the first side tooth disc is slidably connected with the second gear shaft, one side of the first side tooth disc is embedded with a second side tooth disc, and the second side tooth disc is fixedly connected with the support. Advantages

[0015] 1、The application drives the compression spring to push the driving plate to compress the air bag, and the air stored in the air bag is pressed into the air jet plate through the second one-way valve and the connecting seat to form a sweeping air flow. The ion generator ensures that the air flow is rich in ions, which can effectively neutralize the static electricity accumulated on the pole piece due to friction and other reasons, and eliminate the static adsorption force from the root. At the same time, the physical impact force generated by the air flow can blow off the next pole piece that may be slightly adhered due to vacuum or static electricity. The synergistic effect of "static elimination" and "physical separation" greatly ensures the uniqueness of each grabbing, effectively prevents the problem of double or multiple pieces of adhesion, and guarantees the precision and quality of the battery stack from the source.

[0016] 2、The application can contact the inclined surface of the guide block through the pulley seat when the pneumatic suction cup moves to the stacking assembly to take the material. The pulley seat drives the sliding rod to move linearly, and the sliding column on the sliding rod slides in the guide groove of the driving sleeve to convert linear motion into rotary motion, and finally accurately drives the air jet plate to rotate downward, so that the air jet hole accurately aims at the separation area at the bottom of the pole piece. When the pneumatic suction cup carries the pole piece away, the pulley seat and the guide block are separated, and the reset spring pushes the pulley seat and the sliding rod to reset. The driving sleeve and the air jet plate are brought back to the horizontal state through the guide groove. This automatic mechanism of "working in place and withdrawing and resetting" ensures that the air jet plate can be lifted in time to avoid collision or interference due to the low position of the air jet plate in the subsequent process of transferring and placing the pole piece to the stacking table, and guarantees the smooth progress of the stacking process.

[0017] 3、The application can store energy through the compression of the supporting spring when the supporting arm is pressed down to take the material. After the pole piece is taken away, the rebound force will drive the supporting arm to automatically rise a small distance through the transmission chain, accurately compensating for the height of the stacking material reduced by taking away one pole piece. This makes the travel distance of the pneumatic suction cup remain unchanged every time, without the need for additional travel adjustment of the electric cylinder, greatly shortening the material taking period and ensuring the stability of the rhythm in high-speed production. In addition, the meshing of the first side tooth disc and the second side tooth disc under the action of the positioning spring constitutes a torque-sensitive self-locking mechanism, which ensures the stability of the support and also facilitates separation and adjustment for feeding the inside of the stacking assembly. BRIEF DESCRIPTION OF DRAWINGS

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

[0019] Figure 1 It is the overall structure schematic diagram of the automatic stacking machine for lithium ion battery processing in the embodiment of the present application. Figure 2 Figure is the structure diagram of the transfer assembly of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application; Figure 3 Figure is the structure diagram of the separation assembly of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application; Figure 4 Figure is the structure diagram of the air jet plate of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application; Figure 5 Figure is the structure diagram of the avoidance assembly of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application; Figure 6 Figure is the structure diagram of the ascending assembly of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application; Figure 7 Figure is the structure diagram of the first side tooth disc of the automatic lamination machine for lithium ion battery processing in the embodiment of the present application.

[0020] In the figure: 1, base; 2, back plate; 3, unwinding module; 4, linear module; 5, lamination table; 6, pneumatic clamp; 7, stacking assembly; 701, support; 702, support table; 703, limiting rod; 8, transfer assembly; 801, air cylinder; 802, translation seat; 803, electric cylinder; 804, lifting frame; 805, guide rod; 806, pneumatic suction cup; 9, separation assembly; 901, compression spring; 902, driving plate; 903, support arm; 904, support plate; 905, air bag; 906, first one-way valve; 907, filter cover; 908, ion generator; 909, second one-way valve; 910, connecting seat; 911, air jet plate; 10, avoidance assembly; 1001, fixing lug; 1002, sliding rod; 1003, sliding column; 1004, driving sleeve; 1005, guide groove; 1006, pulley seat; 1007, guide block; 1008, return spring; 11, ascending assembly; 1101, connecting rod; 1102, support spring; 1103, support sleeve; 1104, first rack; 1105, first gear shaft; 1106, one-way bearing; 1107, end tooth rod; 1108, second gear shaft; 1109, second rack; 1110, support plate; 1111, positioning spring; 1112, first side tooth disc; 1113, second side tooth disc. DETAILED DESCRIPTION

[0021] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application; the use of the terms "including," "comprising," "having" and "with" in the specification and claims herein are used to mean "including but not limited to" or "comprising but not limited to" or "having but not limited to" or "with but not limited to," and are not used to mean "consisting only of" or "consisting only of."

[0023] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0024] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The occurrence of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a separate or alternative embodiment to the other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with each other.

[0025] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0026] Please refer to Figures 1 to 4 The automatic lamination machine for processing lithium ion batteries provided by the present application comprises a base 1 and a separation assembly 9, a back plate 2 is fixed to the top surface of the rear part of the base 1, and a unwinding module 3 is arranged in the middle part of the back plate 2, a linear module 4 is arranged at the top center of the base 1, a lamination table 5 is arranged in the middle part of the linear module 4, pneumatic clamps 6 are arranged at the four corners of the lamination table 5, a stacking assembly 7 is symmetrically arranged at the top front end of the base 1, a transfer assembly 8 is arranged inside the two ends of the back plate 2, and the separation assembly 9 is arranged at the lower part of the transfer assembly 8.

[0027] The stacking assembly 7 comprises a support 701, the supports 701 are symmetrically arranged at the two ends of the top of the base 1, limit rods 703 are arranged at the top of the supports 701, and supporting tables 702 are fixed to the top of the limit rods 703.

[0028] The conveying assembly 8 comprises a cylinder 801, the cylinder 801 is internally arranged at both ends of the back plate 2, and the output end of the cylinder 801 is connected with a translation seat 802, the top center of the translation seat 802 is fixedly connected with an electric cylinder 803, the output end of the electric cylinder 803 is connected with a lifting frame 804, the bottom of the lifting frame 804 is symmetrically provided with a guide rod 805, and the bottom of the guide rod 805 is fixedly connected with a pneumatic suction cup 806.

[0029] The separating assembly 9 comprises a compression spring 901, the compression spring 901 is externally sleeved at the lower portion of the conveying assembly 8, the bottom of the compression spring 901 abuts against a driving plate 902, the middle portion of the driving plate 902 is provided with a supporting arm 903, one end of the supporting arm 903 abuts against a supporting plate 904 at the bottom, the bottom of the driving plate 902 is fixedly connected with an air bag 905, the top of the driving plate 902 is provided with a first check valve 906, the upper end of the first check valve 906 is threadedly connected with a filter cover 907, the middle portion of the driving plate 902 is fixedly connected with an ion generator 908, the lower portion of the air bag 905 is connected with a second check valve 909, the second check valve 909 is connected with a connecting seat 910 through a pipeline, one end of the connecting seat 910 is rotatably connected with a jet plate 911, the connecting seat 910 is fixedly connected with the pneumatic suction cup 806, the connecting seat 910 is hollow, and the air bag 905 is connected with the inside of the jet plate 911 through the second check valve 909 and the connecting seat 910.

[0030] When the cylinder 801 drives the translation seat 802 to move to the upper portion of the supporting table 702, the electric cylinder 803 drives the pneumatic suction cup 806 to move to the pole piece in the limiting rod 703, in this process, the supporting plate 904 limits the downward movement distance of the supporting arm 903, thereby increasing the distance between the driving plate 902 and the pneumatic suction cup 806, the air bag 905 forms negative pressure in the inside due to stretching, and the outside air is filtered by the filter cover 907 and is supplemented into the air bag 905 through the first check valve 906, then the pneumatic suction cup 806 continues to drop by a specified height and adsorbs the pole piece, and then the pneumatic suction cup 806 is driven to move upward by the electric cylinder 803, so that the pole piece is taken out from the limiting rod 703; In this process, the compression spring 901 will push the drive plate 902 to compress the air bag 905 under the limit of the lifting frame 804, the air inside the air bag 905 will enter the inside of the air jet plate 911 through the second one-way valve 909 and the connecting seat 910, and blow to the bottom of the single pole piece, so as to blow off the adhered pole piece, at the same time, the ion generator 908 makes the air inside the air bag 905 carry positive and negative ions, so as to eliminate static electricity when blowing to the pole piece, further improve the effect when separating, and the blowing process is carried out in the middle and upper part of the limiting rod 703, so that the limiting rod 703 can also limit and guide the adhered pole piece to avoid falling outside the limiting rod 703, so that after grabbing the pole piece, ion wind can be blown out automatically, which helps to separate the pole pieces that may be adhered due to static electricity or vacuum, ensures that only one piece is sucked each time, further improves the product quality, and the whole separating action and piece taking process are seamlessly integrated and driven by the up-down movement of the same electric cylinder 803, without additional control elements or steps. The automatic triggering mechanism of pure mechanical linkage ensures the timeliness and consistency of the separating action, improves the beat efficiency, avoids the missing separation phenomenon caused by forgetting or misoperation, and has high reliability.

[0031] In addition, it should be noted that the positive and negative ions in the air bag 905 will be neutralized, but since the ions stay in the air bag 905 for a short time, and the system continuously generates and delivers new ions, the finally sprayed gas still contains sufficient concentration of effective positive and negative ions, which is sufficient to complete the task of static electricity elimination.

[0032] Please refer to Figure 5 The two sides of the pneumatic suction cup 806 are provided with an avoiding assembly 10, and the avoiding assembly 10 comprises a fixed lug 1001, the two sides of the pneumatic suction cup 806 are symmetrically provided with the fixed lug 1001, the inside of the fixed lug 1001 is slidably connected with a sliding rod 1002, one end of the top of the fixed lug 1001 is provided with a sliding column 1003, the outside of the sliding column 1003 is sleeved with a driving sleeve 1004, the outside of the driving sleeve 1004 is provided with a guide groove 1005, the guide groove 1005 is inclinedly distributed along the outside of the driving sleeve 1004, the driving sleeve 1004 is fixedly connected with the air jet plate 911, the other end of the sliding rod 1002 is provided with a pulley seat 1006, one side of the pulley seat 1006 is provided with a guide block 1007, the other side of the pulley seat 1006 abuts against a return spring 1008, the return spring 1008 abuts against the fixed lug 1001, the guide block 1007 is a right trapezoid, and the guide block 1007 is fixedly connected with the limiting rod 703.

[0033] It can be understood that in the process of moving the pneumatic suction cup 806 to the stacking assembly 7, the pulley seat 1006 will also be in contact with the inclined surface of the guide block 1007, so that under the guidance of the guide block 1007, the pulley seat 1006 drives the sliding rod 1002 to move to the driving sleeve 1004. In this process, the fixed lug 1001 will limit the rotation of the sliding rod 1002, so that the sliding column 1003 pushes the driving sleeve 1004 to rotate through the guide groove 1005, thereby driving the jet plate 911 to rotate downward, so that its jet hole is aligned with the lower part of the single pole piece. The design of the guide block 1007 aligned with the side of the limiting rod 703 effectively locks the angle of the jet plate 911 during sliding, ensuring the stability and consistency of the jet flow direction, providing a key guarantee for efficient separation of adhered pole pieces. After jet separation, as the pulley seat 1006 moves up and separates from the guide block 1007, the return spring 1008 will push the pulley seat 1006 under the limiting of the fixed lug 1001, thereby driving the sliding rod 1002 to reset. At this time, the sliding column 1003 will drive the driving sleeve 1004 to rotate back to reset again through the guide groove 1005. At this time, the jet plate 911 will rotate upward to be flat, thereby avoiding the interference of the placement operation of the pole piece after moving the pole piece to the laminating table 5, because the lower end of the jet plate 911 is lower than the bottom of the pole piece, ensuring the normal operation of the laminating process. The entire angle adjustment and reset process is completely realized by the passive response of the mechanical components, without the need for additional sensors, drivers or control programs. This design structure is simple, reliable and responsive, has good durability and low maintenance cost, and is very suitable for high-speed and high-repetition automatic production line environment, effectively improving the overall operation efficiency and reliability of the equipment.

[0034] Please refer to Figure 6 and Figure 7The bottom of the support plate 904 is connected with the ascending assembly 11, the ascending assembly 11 comprises the connecting rod 1101, the bottom of the support plate 904 is provided with the connecting rod 1101, the middle outer side of the connecting rod 1101 is provided with the supporting spring 1102, the supporting spring 1102 abuts with the supporting table 702, one end of the top of the supporting table 702 is fixedly provided with the supporting sleeve 1103, the supporting sleeve 1103 is slidably connected with the connecting rod 1101, the bottom of the connecting rod 1101 is fixedly provided with the first gear rack 1104, one side of the first gear rack 1104 is engaged with the first gear shaft 1105, one end of the first gear shaft 1105 is fixedly provided with the one-way bearing 1106, the one-way bearing 1106 is rotatably connected with the support base 701, the output end of the one-way bearing 1106 is connected with the end gear bar 1107, one end of the end gear bar 1107 is embedded with the second gear shaft 1108, one side of the second gear shaft 1108 is engaged with the second gear rack 1109, the top of the second gear rack 1109 is fixedly provided with the supporting plate 1110, the inner side of the support base 701 abuts with the positioning spring 1111, one end of the positioning spring 1111 abuts with the first side tooth disc 1112, the first side tooth disc 1112 is slidably connected with the second gear shaft 1108, one side of the first side tooth disc 1112 is embedded with the second side tooth disc 1113, and the second side tooth disc 1113 is fixedly connected with the support base 701.

[0035] It should be noted that, since the elastic force of the compression spring 901 is greater than the elastic force of the supporting spring 1102, when the supporting plate 904 is pressed by the supporting arm 903, the supporting spring 1102 will first contract, and then the supporting sleeve 1103 will limit the supporting plate 904 from continuing to move downward, in the process, the first rack 1104 will drive the first gear shaft 1105 to rotate, at this time, since the one-way bearing 1106 is idling, the transmission chain is disconnected, and then, when a single pole piece is taken out and the compression spring 901 is reset, at this time, as the lifting frame 804 moves up, the supporting spring 1102 will drive the first rack 1104 to move up, thereby driving the supporting plate 1110 to move up a small distance through the first gear shaft 1105, the one-way bearing 1106, the end tooth rod 1107, the second gear shaft 1108 and the second rack 1109, accurately compensating for the reduced stack height due to the removal of a single pole piece, which makes the pneumatic suction cup 806 always maintain the same stroke when taking material each time, without the need for additional stroke adjustment of the electric cylinder 803, greatly shortening the material taking period and ensuring the stability of the beat in high-speed production, in addition, the positioning spring 1111 will push the first side tooth disc 1112 and the second side tooth disc 1113 to be in close contact, and since the positioning spring 1111 has a large elastic force, therefore, when the second gear shaft 1108 is subjected to a large torque, the first side tooth disc 1112 will only be pressed against the positioning spring 1111 under the action of the component force of the inclined surface of the tooth part, thereby driving the second gear shaft 1108 to rotate, and the pole piece as a whole is light and cannot drive the second gear shaft 1108 to rotate, thereby ensuring the stability of the supporting plate 1110 when supporting, and when placing the stacked pole pieces, only the handle of the second gear shaft 1108 needs to be pulled with force to separate the first side tooth disc 1112 and the second side tooth disc 1113, and at the same time, the second gear shaft 1108 and the end tooth rod 1107 are also separated, at this time, the second gear shaft 1108 can be quickly rotated to change the height of the supporting plate 1110, thereby improving the convenience of placing the material.

[0036] In summary, when using the automatic lamination machine for lithium ion battery processing, first, the pneumatic clamp 6 can clamp the separator discharged from the unwinding module 3, the linear module 4 drives the lamination table 5 to move to the rear of one of the stack assemblies 7, then the cylinder 801 drives the translation seat 802 to move above the supporting table 702, and the electric cylinder 803 drives the pneumatic suction cup 806 to move to the pole piece in the limiting rod 703, in the process, since the elastic force of the compression spring 901 is greater than the elastic force of the supporting spring 1102, when the supporting plate 904 is pressed by the supporting arm 903, the supporting spring 1102 will first contract, and then the supporting sleeve 1103 will limit the supporting plate 904 from continuing to move downward, in the process, the first rack 1104 will drive the first gear shaft 1105 to rotate, at this time, since the one-way bearing 1106 is idling, the transmission chain of the lifting assembly 11 is disconnected; Secondly, the pneumatic suction cup 806 will drive the pulley seat 1006 to contact the inclined surface of the guide block 1007, so that the pulley seat 1006 drives the sliding rod 1002 to move under the guidance of the guide block 1007, in the process, the fixed lug 1001 will limit the rotation of the sliding rod 1002, so that the slide column 1003 drives the driving sleeve 1004 to rotate through the guide groove 1005, and then drives the air jet plate 911 to rotate downward, so that the air jet hole is aligned with the lower part of the single sheet, and through the design of the guide block 1007 and the side alignment of the limiting rod 703, the angle of the air jet plate 911 is effectively locked during sliding, which ensures the stability and consistency of the air jet direction, and provides a key guarantee for efficient separation of adhered sheets, and in the process of pressing down, the support plate 904 will limit the downward distance of the supporting arm 903, so as to increase the distance between the driving plate 902 and the pneumatic suction cup 806, and the air bag 905 will form negative pressure inside due to stretching, and the external air will be filtered by the filter cover 907 and supplemented into the air bag 905 through the first one-way valve 906; Then, the pneumatic suction cup 806 continues to drop by a specified height and adsorbs the sheet, and then drives the pneumatic suction cup 806 to move upward through the electric cylinder 803, so as to take out the sheet from the limiting rod 703, in the process, the compression spring 901 will push the driving plate 902 to compress the air bag 905 under the limiting of the lifting frame 804, the air in the air bag 905 will enter the air jet plate 911 through the second one-way valve 909 and the connecting seat 910, and blow to the bottom of the single sheet, so as to blow off the adhered sheet, at the same time, the ion generator 908 is used to make the air in the air bag 905 carry positive and negative ions, so as to eliminate static electricity when blowing to the sheet, further improve the effect during separation, and the blowing process is carried out in the middle and upper part of the limiting rod 703, so that the limiting rod 703 can also limit and guide the adhered sheet, avoid falling outside the limiting rod 703, and when the pulley seat 1006 moves upward and separates from the guide block 1007, the reset spring 1008 will push the pulley seat 1006 under the limiting of the fixed lug 1001, so as to drive the sliding rod 1002 to reset, at this time, the slide column 1003 will drive the driving sleeve 1004 to rotate back to reset through the guide groove 1005, and the air jet plate 911 will rotate upward to be flat, so as to avoid interfering with the placement operation of the sheet after moving the sheet to the laminating table 5, and ensure the normal operation of the laminating process; Then, when the single pole piece is taken out and the compression spring 901 is reset, at this time, as the lifting frame 804 moves up, the supporting spring 1102 drives the first rack 1104 to move up, thereby driving the supporting plate 1110 to move up a small distance through the first gear shaft 1105, the one-way bearing 1106, the end tooth rod 1107, the second gear shaft 1108, and the second rack 1109, accurately compensating for the reduced stack height due to the removal of a single pole piece. In addition, the positioning spring 1111 pushes the first side tooth disc 1112 and the second side tooth disc 1113 tightly, and the positioning spring 1111 has a large elastic force, so that when the second gear shaft 1108 is subjected to a large torque, the first side tooth disc 1112 will only be pressed against the positioning spring 1111 under the action of the component force of the inclined surface of its tooth part, thereby driving the second gear shaft 1108 to rotate. The pole piece as a whole is light and cannot drive the second gear shaft 1108 to rotate, thereby ensuring the stability of the supporting plate 1110 when supporting. When the pole piece is moved to the stacking table 5 by the transfer assembly 8, it is clamped again by the pneumatic clamp 6 and moved to the transfer assembly 8 on the other side, and the above operation is repeated again to realize the "Z" shaped stacking process. Finally, when the pole piece is used up and needs to be placed in the stack, you only need to pull the handle of the second gear shaft 1108 with force to separate the first side tooth disc 1112 and the second side tooth disc 1113, and also to separate the second gear shaft 1108 and the end tooth rod 1107. At this time, the second gear shaft 1108 can be quickly rotated to change the height of the supporting plate 1110, thereby improving the convenience of discharging.

[0037] In this paper, specific examples are used to illustrate the principles and embodiments of the application. The above examples are only used to help understand the method and its core idea. The above description is only the preferred embodiment of the application. It should be noted that due to the limitation of language expression, there are infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principles of the application. The above technical features can be combined in an appropriate way, or the improved, decorated, changed or combined application can be directly applied to other occasions without improvement. The scope of protection of the application should be regarded.

Claims

1. An automatic stacking machine for lithium-ion battery processing, characterized in that, The device includes a base and a separation assembly. A back plate is fixed to the rear top surface of the base, and an unwinding module is installed in the middle of the back plate. A stacking assembly is symmetrically installed on the front top surface of the base. Transfer assemblies are installed inside both ends of the back plate. The separation assembly is located below the transfer assembly and includes a compression spring. A compression spring is sleeved on the lower outer side of the transfer assembly, and the bottom of the compression spring abuts against a drive plate. A support arm is installed on the middle top surface of the drive plate, and the bottom of one end of the support arm abuts against a support plate. An airbag is fixed to the bottom of the drive plate, and a first one-way valve is installed on the top of the drive plate. A filter cover is threaded to the upper end of the first one-way valve. An ion generator is fixed through the middle of the drive plate. A second one-way valve is connected to both ends of the lower part of the airbag, and the second one-way valve is connected to a connecting seat through a pipe. A jet plate is rotatably connected to one end of the connecting seat.

2. The automatic stacking machine for lithium-ion battery processing according to claim 1, characterized in that, A linear module is provided at the top center of the base, and a stacking platform is placed in the middle of the linear module. Pneumatic clamps are provided at the four corners of the stacking platform.

3. The automatic stacking machine for lithium-ion battery processing according to claim 2, characterized in that, The stacking assembly includes supports, with supports symmetrically arranged at both ends of the top of the base, and a support platform fixed to the top of the supports, with a limit rod installed on the top of the support platform.

4. The automatic stacking machine for lithium-ion battery processing according to claim 3, characterized in that, The transfer assembly includes cylinders. Cylinders are installed inside both ends of the back plate, and the output end of the cylinder is connected to a translation seat. An electric cylinder is fixed at the top center of the translation seat, and the output end of the electric cylinder is connected to a lifting frame. Guide rods are symmetrically arranged at the bottom of the lifting frame, and pneumatic suction cups are fixed at the bottom of the guide rods.

5. The automatic stacking machine for lithium-ion battery processing according to claim 4, characterized in that, The connecting seat is fixedly connected to the pneumatic suction cup, and the connecting seat is hollow. The airbag is connected to the interior of the jet plate through the second one-way valve and the connecting seat.

6. The automatic stacking machine for lithium-ion battery processing according to claim 4, characterized in that, The pneumatic suction cup is provided with clearance components on both sides, and the clearance components include fixed ears. Fixed ears are symmetrically arranged on both sides of the pneumatic suction cup, and a slide rod is slidably connected inside the fixed ear. A slide column is provided at the top of one end of the fixed ear, and a drive sleeve is sleeved on the outside of the slide column. A guide groove is opened on the outside of the drive sleeve. A pulley seat is provided at the other end of the slide rod, and a guide block is provided on one side of the pulley seat. A return spring abuts against the other side of the pulley seat, and the return spring abuts against the fixed ear.

7. The automatic stacking machine for lithium-ion battery processing according to claim 6, characterized in that, The guide grooves are inclined along the outer side of the drive sleeve, and the drive sleeve is fixedly connected to the jet plate.

8. The automatic stacking machine for lithium-ion battery processing according to claim 7, characterized in that, The guide block is in the shape of a right trapezoid and is fixedly connected to the limiting rod.

9. The automatic stacking machine for lithium-ion battery processing according to claim 1, characterized in that, The bottom of the support plate is connected to a lifting assembly, which includes a connecting rod. The bottom of the support plate is equipped with the connecting rod, and a support spring is installed on the outer side of the middle part of the connecting rod. The support spring abuts against the support platform, and a sleeve is fixed at one end of the top of the support platform. The sleeve is slidably connected to the connecting rod. The bottom of the connecting rod is fixed with a first rack, and a first gear shaft meshes with one side of the first rack. A one-way bearing is fixed at one end of the first gear shaft, and the one-way bearing is rotatably connected to the support.

10. The automatic stacking machine for lithium-ion battery processing according to claim 9, characterized in that, The output end of the one-way bearing is connected to an end rack, and one end of the end rack is fitted with a second gear shaft. A second rack is meshed on one side of the second gear shaft, and a support plate is fixed to the top of the second rack. A positioning spring abuts against one side of the inside of the support, and one end of the positioning spring abuts against a first side gear plate. The first side gear plate is slidably connected to the second gear shaft. A second side gear plate is fitted into one side of the first side gear plate, and the second side gear plate is fixedly connected to the support.

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