CN114583285B - High-speed duplex position lamination machine of lithium cell - Google Patents

High-speed duplex position lamination machine of lithium cell Download PDF

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Publication number
CN114583285B
CN114583285B CN202210289720.9A CN202210289720A CN114583285B CN 114583285 B CN114583285 B CN 114583285B CN 202210289720 A CN202210289720 A CN 202210289720A CN 114583285 B CN114583285 B CN 114583285B
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China
Prior art keywords
manipulator
station
stacking
negative electrode
positive electrode
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CN114583285A (en
Inventor
邱国诚
郭昌荣
胡健康
高成
李智伟
康涛
王平
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Dongguan Dezhun Precision Equipment Co ltd
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Dongguan Dezhun Precision Equipment Co ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a lithium battery high-speed double-station lamination machine, which comprises a first station and a second station which are symmetrically arranged left and right; the first station and the second station comprise a diaphragm unreeling mechanism, a negative electrode trough, a negative electrode standby sheet manipulator, a negative electrode positioning table, a lamination manipulator, a positive electrode positioning table, a positive electrode standby sheet manipulator, a positive electrode trough and a lamination table blanking manipulator; the lamination manipulator is provided with a negative electrode feeding part and a positive electrode feeding part, the negative electrode feeding part is connected with a negative electrode positioning table and a lamination table, and the positive electrode feeding part is connected with the positive electrode positioning table and the lamination table; and a rubberizing blanking station is arranged between the first station and the second station. The lamination manipulator can directly take corresponding lamination to stack, so that the step of correction in the stacking process is omitted, the stacking efficiency is high, and in the stacking process of the lamination manipulator, the negative pole standby manipulator and the positive pole standby manipulator can start the standby work of the next pole piece, and the stacking efficiency is further improved.

Description

High-speed duplex position lamination machine of lithium cell
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a lithium battery high-speed double-station lamination machine.
Background
The lithium battery has a lamination process for laminating the battery pole pieces in the production and manufacturing process, wherein the lamination process of the lithium battery refers to that the positive pole piece and the negative pole piece are overlapped at intervals through a diaphragm to form a battery cell.
The traditional lithium battery lamination machine is usually a single-station lamination machine, only one battery cell is produced at a time after the lamination and blanking mechanism is matched, the occupied space of equipment is large, and the production efficiency is low; later, a double-station lamination machine exists, a lamination table is adopted to move, a negative pole piece is conveyed to the lamination table through a manipulator, a negative pole pressing claw compresses the pole piece, a servo motor drives the lamination table to pull a diaphragm to be positioned at a positive pole lamination position, the manipulator conveys the positive pole piece to the lamination table, the positive pole pressing claw compresses the pole piece to reciprocate and alternately operate, the lamination table pulls the diaphragm to move, when the lamination table operates at a high speed, the diaphragm is easy to wrinkle, so that the lamination quality is influenced, and because of the influence of linear speed and acceleration on the service life of a linear slide rail, the mode reaches the bottleneck of efficiency, and the lamination efficiency is difficult to improve; aiming at the situation, a double-station lamination machine disclosed in Chinese patent ZL 201920615025.0 is adopted, the positive pole piece and the negative pole piece are driven by two manipulators to feed through the diaphragm to finish the stacking of the pole pieces; although the problem that the diaphragm is easy to wrinkle is solved, the pole pieces are corrected, positioned and stacked through the lamination table, the pole piece stacking time is long, the waiting time of the feeding manipulator and the discharging manipulator is long, and the lamination efficiency is low.
Therefore, a new solution is needed to solve the above problems.
Disclosure of Invention
In view of the above, the present invention aims at the defects existing in the prior art, and it is a main object of the present invention to provide a lithium battery high-speed double-station lamination machine, which is provided with a negative electrode standby manipulator and a positive electrode standby manipulator, the corresponding electrode sheets are placed on a corresponding positioning table to correct the positions of the electrode sheets, the lamination manipulator is provided with a negative electrode feeding part and a positive electrode feeding part to stack the negative electrode sheets and the positive electrode sheets respectively, the standby sheets and the stacking of the electrode sheets are completed by two different manipulators, the lamination manipulator can directly take the corresponding lamination to stack, the step of correction in the stacking process is omitted, the stacking efficiency is high, and in the stacking process of the lamination manipulator, the negative electrode standby manipulator and the positive electrode standby manipulator can start the standby sheets of the next electrode sheet to work, and the stacking efficiency is further improved; and the diaphragm is actively unreeled, so that wrinkling of the diaphragm is avoided, and the product quality is improved.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a lithium battery high-speed double-station lamination machine comprises a first station and a second station which are symmetrically arranged left and right; the first station and the second station comprise a diaphragm unreeling mechanism, a negative electrode trough, a negative electrode standby sheet manipulator, a negative electrode positioning table, a lamination manipulator, a positive electrode positioning table, a positive electrode standby sheet manipulator, a positive electrode trough and a lamination table blanking manipulator; the diaphragm unreeling mechanism is located above the lamination table, the diaphragm unreeling mechanism is provided with a diaphragm cutting manipulator, the diaphragm unreels the diaphragm actively, wrinkling of the diaphragm is avoided, product quality is improved, the negative electrode standby manipulator is connected with the negative electrode trough and the negative electrode positioning table, the positive electrode standby manipulator is connected with the positive electrode trough and the positive electrode positioning table, the lamination manipulator is provided with a negative electrode feeding part and a positive electrode feeding part, the negative electrode feeding part is connected with the negative electrode positioning table and the lamination table, the positive electrode feeding part is connected with the positive electrode positioning table and the lamination table, corresponding lamination can be directly taken by the lamination manipulator for stacking, the step needing correction in the stacking process is omitted, stacking efficiency is high, and in the stacking process of the lamination manipulator, the negative electrode standby manipulator and the positive electrode standby manipulator can start the standby work of the next pole piece, and stacking efficiency is further improved;
the utility model discloses a rubberizing blanking station, including first station and second station, first station and second station are both to share a rubberizing blanking station, improve rubberizing blanking station's utilization ratio, rubberizing blanking station is including electric core rotary motion manipulator, rotatory rubberizing tool, left rubberizing mechanism, right rubberizing mechanism and product unloading manipulator, lamination platform unloading manipulator links up rotatory rubberizing tool through electric core rotary motion manipulator, left rubberizing mechanism, right rubberizing mechanism correspond rotatory rubberizing tool setting, product unloading manipulator sets up in the output side of rotatory rubberizing tool.
As a preferable scheme, the lamination manipulator comprises a lamination frame, the lamination frame is provided with a first mounting plate and a second mounting plate which are arranged at intervals, the negative electrode feeding part comprises a first swing rod group, a first taking and placing piece arranged on the first swing rod group and a first driving device for driving the first swing rod group to swing, and the positive electrode feeding part comprises a second swing rod group, a second taking and placing piece arranged on the second swing rod group and a second driving device for driving the second swing rod group to swing; the first swing rod group is including two first swing rods and the first connecting rod of connecting two first swing rods, and two first swing rods set up respectively on first mounting panel and second mounting panel, first getting is put the piece and is set up on first connecting rod, the second swing rod group is including two second swing rods and the second connecting rod of connecting two second swing rods, and two second swing rods set up respectively on first mounting panel and second mounting panel, the second is got and is put the piece and set up in the second connecting rod, realizes piling up the pole piece swing, and it has further shortened the stroke of lamination manipulator, has improved stacking efficiency.
As a preferable scheme, the outer sides of the first mounting plate and the second mounting plate are respectively provided with an arc-shaped guide groove corresponding to the first swing rod and the second swing rod, and correspondingly, the first swing rod and the second swing rod are respectively provided with a guide sliding block matched with the arc-shaped guide grooves, and the guide sliding blocks are matched in the arc-shaped guide grooves.
As a preferable scheme, the first connecting rod and the second connecting rod are respectively provided with a balance rod group corresponding to the first swing rod and the second swing rod.
As a preferable scheme, the negative electrode trough, the negative electrode positioning table, the lamination table, the positive electrode positioning table and the positive electrode trough are sequentially arranged from front to back.
As a preferable scheme, the electric core rotary moving manipulator, the rotary rubberizing jig and the product blanking manipulator are sequentially arranged from back to front.
As a preferable scheme, the negative electrode spare sheet manipulator is arranged beside the negative electrode positioning table, the lamination manipulator is arranged corresponding to the lamination table, and the positive electrode spare sheet manipulator is arranged beside the positive electrode positioning table.
As a preferable scheme, the lamination table blanking manipulator is arranged on a mounting frame, and the mounting frame is provided with a first transverse driving device which drives the lamination table blanking manipulator to transversely move.
As a preferable scheme, the negative electrode positioning table and the positive electrode positioning table are respectively provided with a detection device and a positioning device for correcting the pole piece.
As a preferable scheme, the rotary rubberizing jig comprises a second transverse driving device, a rotating device and a jig, wherein the second transverse driving device drives the jig to transversely move, and the rotating device drives the jig to rotate.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
the stacking machine is mainly characterized in that a negative electrode sheet preparation manipulator and a positive electrode sheet preparation manipulator are arranged to place corresponding pole pieces on corresponding positioning tables for pole piece position correction, the stacking machine is provided with a negative electrode feeding part and a positive electrode feeding part for stacking the negative electrode pole pieces and the positive electrode pole pieces respectively, the sheet preparation and stacking of the pole pieces are completed through two different manipulators, the stacking machine can directly take corresponding laminations for stacking, the step of correction in the stacking process is omitted, the stacking efficiency is high, and in the stacking process of the stacking machine, the negative electrode sheet preparation manipulator and the positive electrode sheet preparation manipulator can start the sheet preparation work of the next pole piece, so that the stacking efficiency is further improved; the diaphragm is actively unreeled, so that wrinkling of the diaphragm is avoided, and the product quality is improved;
secondly, through the arrangement of the first swing rod group and the second swing rod group, the swing type stacking of the pole pieces is realized, and compared with the traditional lifting type stacking, the stroke of the lamination manipulator is further shortened, and the stacking efficiency is improved;
the battery cell rotary moving manipulator, the rotary rubberizing jig and the product blanking manipulator are sequentially arranged from back to front; compact structure, reasonable layout, reduced space occupied by the equipment and convenient management.
In order to more clearly illustrate the structural features and efficacy of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 2 is a top view of a preferred embodiment of the present invention;
FIG. 3 is a partially assembled schematic perspective view of a preferred embodiment of the present invention (without the second station);
FIG. 4 is a partially assembled schematic perspective view (without the second station) of another view of the preferred embodiment of the present invention;
FIG. 5 is a schematic perspective view of a first station according to a preferred embodiment of the present invention;
fig. 6 is a schematic perspective view of a lamination robot in accordance with a preferred embodiment of the invention.
The attached drawings are used for identifying and describing:
10. first station 11, diaphragm unreeling mechanism
111. Diaphragm cutting manipulator 12 and negative electrode trough
13. Negative electrode spare sheet mechanical arm 14 and negative electrode positioning table
15. Lamination table 16 and lamination manipulator
161. Negative electrode upper portion 1611, first swing link group
1612. First pick-and-place member 1613 and first driving device
1614. First swing rod 1615 and first connecting rod
162. Positive electrode feeding part 1621, second swing rod group
1622. Second pick-and-place component 1623 and second driving device
1624. Second swing rod 1625 and second connecting rod
163. Lamination support 1631, first mounting plate
1632. Second mounting plate 164, balance bar set
101. Arc-shaped guide groove
17. Positive electrode positioning table 18 and positive electrode sheet preparation manipulator
19. Positive pole silo 110, lamination platform unloading manipulator
20. Second station 30, rubberizing unloading station
31. Cell rotary mobile manipulator 32 and rotary rubberizing jig
33. Left rubberizing mechanism 34 and right rubberizing mechanism
35. Product blanking manipulator
40. Detection device 50, mounting rack
51. First transverse driving device 60 and support frame
61. Third transverse driving means 70, positioning means.
Detailed Description
Referring to fig. 1 to 6, a specific structure of a preferred embodiment of the present invention is shown, which includes a first station 10 and a second station 20 symmetrically arranged left and right, a rubberizing and blanking station 30 is disposed between the first station 10 and the second station 20, and the first station 10 and the second station 20 share one rubberizing and blanking station 30, so as to improve the utilization rate of the rubberizing and blanking station 30.
The first station 10 and the second station 20 comprise a diaphragm unreeling mechanism 11, a negative electrode trough 12, a negative electrode sheet preparation manipulator 13, a negative electrode positioning table 14, a lamination table 15, a lamination manipulator 16, a positive electrode positioning table 17, a positive electrode sheet preparation manipulator 18, a positive electrode trough 19 and a lamination table blanking manipulator 110;
the diaphragm unreeling mechanism 11 is located above the lamination table 15, the diaphragm unreeling mechanism 11 is provided with a diaphragm cutting manipulator 111, the diaphragm unreels the diaphragm actively, the phenomenon that the diaphragm is wrinkled is avoided, the product quality is improved, positive and negative plates on the lamination table 15 are alternately stacked and separated by the diaphragm, therefore, one piece of pole piece is put, the diaphragm can travel a stroke, and the pole piece is wrapped.
The negative electrode material groove 12, the negative electrode positioning table 14, the lamination table 15, the positive electrode positioning table 17 and the positive electrode material groove 19 are sequentially arranged from front to back, wherein the positions of the negative electrode material groove 12 and the negative electrode positioning table 14 can be exchanged with the positions of the positive electrode positioning table 17 and the positive electrode material groove 19, namely, the negative electrode feeding and the positive electrode feeding only need to be arranged at two sides of the 1 lamination table 15, and the method is not limited to the method; the negative electrode standby sheet manipulator 13 is arranged beside the negative electrode positioning table 14, the negative electrode standby sheet manipulator 13 is connected with the negative electrode trough 12 and the negative electrode positioning table 14, the positive electrode standby sheet manipulator 18 is arranged beside the positive electrode positioning table 17, the positive electrode standby sheet manipulator 18 is connected with the positive electrode trough 19 and the positive electrode positioning table 17, specifically, the negative electrode positioning table 14 and the positive electrode positioning table 17 are respectively provided with the detection device 40 and the positioning device 70 for correcting the pole pieces, and when the negative electrode standby sheet manipulator 13 and the positive electrode standby sheet manipulator 18 put the corresponding pole pieces on the corresponding positioning tables, the detection device 40 feeds back the position detection structure to the positioning device 70, and the positioning device 70 adjusts the position of the pole pieces on the positioning table so that the lamination manipulator 16 takes materials.
The lamination manipulator 16 is arranged corresponding to the lamination table 15, the lamination manipulator 16 is provided with a negative electrode feeding part 161 and a positive electrode feeding part 162, the negative electrode feeding part 161 is connected with the negative electrode positioning table 14 and the lamination table 15, the positive electrode feeding part 162 is connected with the positive electrode positioning table 17 and the lamination table 15, the lamination manipulator 16 can directly take corresponding laminations to stack, the step of correction in the stacking process is omitted, the stacking efficiency is high, and in the stacking process of the lamination manipulator 16, the negative electrode standby manipulator 13 and the positive electrode standby manipulator 18 can start the standby work of the next pole piece, so that the stacking efficiency is further improved;
specifically, the lamination manipulator 16 includes a lamination frame 163, the lamination frame 163 includes a first mounting plate 1631 and a second mounting plate 1632 that are arranged at intervals, the negative electrode feeding portion 161 includes a first swing rod group 1611, a first pick-and-place member 1612 disposed on the first swing rod group 1611, a first driving device 1613 that drives the first swing rod group 1611 to swing, and the positive electrode feeding portion 162 includes a second swing rod group 1621, a second pick-and-place member 1622 disposed on the second swing rod group 1621, and a second driving device 1623 that drives the second swing rod group 1621 to swing; the first swing rod group 1611 includes two first swing rods 1614 and a first link 1615 connected to the two first swing rods 1614, the two first swing rods 1614 are respectively disposed on the first mounting plate 1631 and the second mounting plate 1632, the first pick-and-place device 1612 is disposed on the first link 1615, the second swing rod group 1621 includes two second swing rods 1624 and a second link 1625 connected to the two second swing rods 1624, the two second swing rods 1624 are respectively disposed on the first mounting plate 1631 and the second mounting plate 1632, and the second pick-and-place device 1622 is disposed on the second link 1625; the swing type stacking of the pole pieces is realized, the stroke of the lamination manipulator 16 is further shortened, and the stacking efficiency is improved;
further, the first swing rod group 1611 and the second swing rod group 1621 are symmetrically arranged in a left-right direction, the first mounting plate 1631 and the second mounting plate 1632 are symmetrically arranged in a front-back direction, which is easy to produce and manufacture, and the symmetrical assembly ensures that the actions of the negative electrode feeding part 161 and the positive electrode feeding part 162 of the lamination manipulator 16 are uniform, thereby improving the precision of lamination; the outer sides of the first mounting plate 1631 and the second mounting plate 1632 are respectively provided with an arc-shaped guide groove 101 corresponding to the first swing rod 1614 and the second swing rod 1624, and correspondingly, the first swing rod 1614 and the second swing rod 1624 are respectively provided with a guide sliding block (not shown) matched with the arc-shaped guide groove 101, and the guide sliding blocks are matched in the arc-shaped guide grooves 101; the movement stability of the first swing rod 1614 and the second swing rod 1624 is improved, and the error is reduced; preferably, the first link 1615 and the second link 1625 are provided with a balance bar set 164 corresponding to the first swing link 1614 and the second swing link 1624.
The lamination table blanking manipulator 110 is disposed on a mounting rack 50, in this embodiment, the mounting rack 50 is located beside the positive positioning table 17 and the positive trough 19, so that during the blanking process of the lamination table blanking manipulator 110, the negative pole piece can start lamination; the mounting frame 50 is provided with a first transverse driving device 51, and the first transverse driving device 51 drives the lamination table blanking manipulator 110 to transversely move.
The rubberizing and blanking station 30 comprises a battery core rotary moving manipulator 31, a rotary rubberizing jig 32, a left rubberizing mechanism 33, a right rubberizing mechanism 34 and a product blanking manipulator 35, wherein the lamination table blanking manipulator 110 is connected with the rotary rubberizing jig 32 through the battery core rotary moving manipulator 31, the left rubberizing mechanism 33 and the right rubberizing mechanism 34 are arranged corresponding to the rotary rubberizing jig 32, and the product blanking manipulator 35 is arranged on the output side of the rotary rubberizing jig 32;
specifically, the electrical core rotary moving manipulator 31, the rotary rubberizing jig 32 and the product blanking manipulator 35 are sequentially arranged from back to front, so that the space is reasonably utilized, the whole structure of the device is compact, the layout is reasonable, the space occupied by the device is reduced, and the management is convenient; further, the rotary rubberizing jig 32 includes a second transverse driving device, a rotating device and a jig, wherein the second transverse driving device drives the jig to move transversely, and the rotating device drives the jig to rotate;
preferably, as shown in fig. 4, the diaphragm unreeling mechanism 11 is disposed at the top of a supporting frame 60, so that the diaphragm unreeling mechanism 11 is located above the lamination table 15, a third transverse driving device 61 is disposed on the supporting frame 60 of one station, the product blanking manipulator 35 is disposed on the third transverse driving device 61, and the third transverse driving device 61 drives the product blanking manipulator 35 to move for taking and discharging.
The working procedure of this embodiment is described in detail as follows:
lamination process: firstly, the negative electrode sheet preparation manipulator 13 transfers the negative electrode sheet from the negative electrode material tank 12 to the negative electrode positioning table 14 for correction positioning, and meanwhile, the positive electrode sheet preparation manipulator 18 transfers the positive electrode sheet from the positive electrode material tank 19 to the positive electrode positioning table 17 for correction positioning; then, the negative electrode feeding part 161 of the lamination manipulator 16 firstly takes the negative electrode plate from the negative electrode positioning table 14 and places the negative electrode plate on the lamination table 15, the positive electrode feeding part 162 of the lamination manipulator 16 takes the positive electrode plate from the positive electrode positioning table 17 and places the positive electrode plate on the negative electrode plate, and single lamination is completed, in the process, the negative electrode plate and the positive electrode plate are separated by the diaphragm, so that a piece of plate is placed, the diaphragm will travel a stroke, and the pole plate is wrapped; then, the lamination table blanking manipulator 110 moves to a lamination table 15 blanking position to take out the battery cell; then, the diaphragm cutting robot 111 cuts off the diaphragm, and finally, the lamination stage blanking robot 110 moves to a blanking position.
And (3) rubberizing: firstly, the battery cell rotating and moving manipulator 31 rotates to the discharging position of the first station 10 to take down the laminated battery cells from the lamination table discharging manipulator 110, and then the battery cells are transferred to the rotating rubberizing jig 32, and at the moment, the lamination table 15 of the first station 10 laminates new battery cells; then, the cell rotating and moving manipulator 31 rotates to the discharging position of the second station 20 to take down the laminated cell from the lamination table discharging manipulator 110, and then the laminated cell is transferred to the rotating rubberizing jig 32, and at this time, the lamination table 15 of the second station 20 laminates a new cell; then, the left rubberizing mechanism 33 and the right rubberizing mechanism 34 rubberize at the same time, and rubberize the battery core with the laminated structure; after the rubberizing is finished, the rotary rubberizing jig 32 moves to the material taking position of the product blanking manipulator 35, and finally, the product blanking manipulator 35 takes away the electrical core finished rubberizing for blanking; and (5) reciprocating circulation.
The design focus of the invention is that:
the stacking machine is mainly characterized in that a negative electrode sheet preparation manipulator and a positive electrode sheet preparation manipulator are arranged to place corresponding pole pieces on corresponding positioning tables for pole piece position correction, the stacking machine is provided with a negative electrode feeding part and a positive electrode feeding part for stacking the negative electrode pole pieces and the positive electrode pole pieces respectively, the sheet preparation and stacking of the pole pieces are completed through two different manipulators, the stacking machine can directly take corresponding laminations for stacking, the step of correction in the stacking process is omitted, the stacking efficiency is high, and in the stacking process of the stacking machine, the negative electrode sheet preparation manipulator and the positive electrode sheet preparation manipulator can start the sheet preparation work of the next pole piece, so that the stacking efficiency is further improved; the diaphragm is actively unreeled, so that wrinkling of the diaphragm is avoided, and the product quality is improved;
secondly, through the arrangement of the first swing rod group and the second swing rod group, the swing type stacking of the pole pieces is realized, and compared with the traditional lifting type stacking, the stroke of the lamination manipulator is further shortened, and the stacking efficiency is improved;
the battery cell rotary moving manipulator, the rotary rubberizing jig and the product blanking manipulator are sequentially arranged from back to front; compact structure, reasonable layout, reduced space occupied by the equipment and convenient management.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present invention are still within the scope of the technical solutions of the present invention.

Claims (10)

1.一种锂电池高速双工位叠片机，其特征在于：包括左右对称布置的第一工位和第二工位；所述第一工位和第二工位均包括有隔膜放卷机构、负极料槽、负极备片机械手、负极定位台、叠片台、叠片机械手、正极定位台、正极备片机械手、正极料槽、叠片台下料机械手；所述隔膜放卷机构位于叠片台的上方，所述隔膜放卷机构具有切隔膜机械手，所述隔膜放卷机构将隔膜进行主动放卷，所述负极备片机械手衔接负极料槽和负极定位台，所述正极备片机械手衔接正极料槽和正极定位台，所述叠片机械手具有负极上料部和正极上料部，所述负极上料部衔接负极定位台和叠片台，所述正极上料部衔接正极定位台和叠片台；1. A high-speed double-station stacking machine for lithium batteries, characterized in that: it comprises a first station and a second station arranged symmetrically on the left and right; the first station and the second station both comprise a diaphragm unwinding mechanism, a negative electrode material trough, a negative electrode preparation manipulator, a negative electrode positioning platform, a stacking platform, a stacking manipulator, a positive electrode positioning platform, a positive electrode preparation manipulator, a positive electrode material trough, and a stacking platform unloading manipulator; the diaphragm unwinding mechanism is located above the stacking platform, the diaphragm unwinding mechanism has a diaphragm cutting manipulator, the diaphragm unwinding mechanism actively unwinds the diaphragm, the negative electrode preparation manipulator connects the negative electrode material trough and the negative electrode positioning platform, the positive electrode preparation manipulator connects the positive electrode material trough and the positive electrode positioning platform, the stacking manipulator has a negative electrode loading part and a positive electrode loading part, the negative electrode loading part connects the negative electrode positioning platform and the stacking platform, and the positive electrode loading part connects the positive electrode positioning platform and the stacking platform; 所述第一工位和第二工位之间设置有贴胶下料工位，所述贴胶下料工位包括有电芯旋转移动机械手、旋转贴胶治具、左贴胶机构、右贴胶机构和产品下料机械手，所述叠片台下料机械手通过电芯旋转移动机械手衔接旋转贴胶治具，所述左贴胶机构、右贴胶机构对应旋转贴胶治具设置，所述产品下料机械手设置于旋转贴胶治具的输出侧。A glue-sticking and unloading station is arranged between the first station and the second station, and the glue-sticking and unloading station includes a battery cell rotating and moving manipulator, a rotating glue-sticking jig, a left glue-sticking mechanism, a right glue-sticking mechanism and a product unloading manipulator. The stacking table unloading manipulator is connected to the rotating glue-sticking jig through the battery cell rotating and moving manipulator, the left glue-sticking mechanism and the right glue-sticking mechanism are arranged corresponding to the rotating glue-sticking jig, and the product unloading manipulator is arranged on the output side of the rotating glue-sticking jig. 2.根据权利要求1所述的一种锂电池高速双工位叠片机，其特征在于：所述叠片机械手包括有叠片架，所述叠片架具有间距布置的第一安装板和第二安装板，所述负极上料部包括有第一摆杆组、设置于第一摆杆组的第一取放件、驱动第一摆杆组摆动的第一驱动装置，所述正极上料部包括有第二摆杆组、设置于第二摆杆组的第二取放件、驱动第二摆杆组摆动的第二驱动装置；所述第一摆杆组包括有两个第一摆杆和连接两个第一摆杆的第一连杆，两个第一摆杆分别设置于第一安装板和第二安装板上，所述第一取放件设置于第一连杆上，所述第二摆杆组包括有两个第二摆杆和连接两个第二摆杆的第二连杆，两个第二摆杆分别设置于第一安装板和第二安装板上，所述第二取放件设置于第二连杆上。2. A high-speed double-station stacking machine for lithium batteries according to claim 1, characterized in that: the stacking robot includes a stacking rack, the stacking rack has a first mounting plate and a second mounting plate arranged at a spacing, the negative electrode feeding part includes a first swing arm group, a first pick-up and placement member arranged on the first swing arm group, and a first driving device that drives the first swing arm group to swing, the positive electrode feeding part includes a second swing arm group, a second pick-up and placement member arranged on the second swing arm group, and a second driving device that drives the second swing arm group to swing; the first swing arm group includes two first swing arms and a first connecting rod connecting the two first swing arms, the two first swing arms are respectively arranged on the first mounting plate and the second mounting plate, the first picking and placing member is arranged on the first connecting rod, the second swing arm group includes two second swing arms and a second connecting rod connecting the two second swing arms, the two second swing arms are respectively arranged on the first mounting plate and the second mounting plate, and the second picking and placing member is arranged on the second connecting rod. 3.根据权利要求2所述的一种锂电池高速双工位叠片机，其特征在于：所述第一安装板、第二安装板的外侧均对应第一摆杆、第二摆杆设置有弧形导槽，相应的，所述第一摆杆、第二摆杆均具有与弧形导槽相适配的导滑块，所述导滑块适配于弧形导槽中。3. A high-speed double-station stacking machine for lithium batteries according to claim 2, characterized in that arc guide grooves are provided on the outer sides of the first mounting plate and the second mounting plate corresponding to the first swing arm and the second swing arm, and correspondingly, the first swing arm and the second swing arm have guide slide blocks adapted to the arc guide grooves, and the guide slide blocks are adapted to the arc guide grooves. 4.根据权利要求2或3所述的一种锂电池高速双工位叠片机，其特征在于：所述第一连杆、第二连杆上均对应第一摆杆、第二摆杆设置有平衡杆组。4. A high-speed double-station stacking machine for lithium batteries according to claim 2 or 3, characterized in that: a balance bar group is provided on the first connecting rod and the second connecting rod corresponding to the first swing arm and the second swing arm. 5.根据权利要求1或2所述的一种锂电池高速双工位叠片机，其特征在于：所述负极料槽、负极定位台、叠片台、正极定位台、正极料槽自前往后依次布置。5. A high-speed double-station stacking machine for lithium batteries according to claim 1 or 2, characterized in that the negative electrode material trough, negative electrode positioning platform, stacking platform, positive electrode positioning platform, and positive electrode material trough are arranged in sequence from front to back. 6.根据权利要求5所述的一种锂电池高速双工位叠片机，其特征在于：所述电芯旋转移动机械手、旋转贴胶治具和产品下料机械手自后往前依次布置。6. A high-speed double-station stacking machine for lithium batteries according to claim 5, characterized in that the battery cell rotating moving manipulator, the rotating glue sticking fixture and the product unloading manipulator are arranged in sequence from back to front. 7.根据权利要求6所述的一种锂电池高速双工位叠片机，其特征在于：所述负极备片机械手设置于负极定位台的侧旁，所述叠片机械手对应叠片台设置，所述正极备片机械手设置于正极定位台的侧旁。7. A high-speed double-station lithium battery stacking machine according to claim 6, characterized in that: the negative electrode preparation robot is arranged on the side of the negative electrode positioning platform, the stacking robot is arranged corresponding to the stacking platform, and the positive electrode preparation robot is arranged on the side of the positive electrode positioning platform. 8.根据权利要求1所述的一种锂电池高速双工位叠片机，其特征在于：所述叠片台下料机械手设置于一安装架上，所述安装架设置有第一横向驱动装置，所述第一横向驱动装置驱动叠片台下料机械手横向移动。8. A high-speed double-station stacking machine for lithium batteries according to claim 1, characterized in that: the stacking table unloading robot is arranged on a mounting frame, and the mounting frame is provided with a first transverse driving device, and the first transverse driving device drives the stacking table unloading robot to move transversely. 9.根据权利要求1所述的一种锂电池高速双工位叠片机，其特征在于：所述负极定位台、正极定位台均具有检测装置和用于矫正极片的定位装置。9. A high-speed double-station stacking machine for lithium batteries according to claim 1, characterized in that the negative electrode positioning platform and the positive electrode positioning platform are both equipped with a detection device and a positioning device for correcting the electrode sheet. 10.根据权利要求1所述的一种锂电池高速双工位叠片机，其特征在于：所述旋转贴胶治具包括有第二横向驱动装置、旋转装置、治具，所述第二横向驱动装置带动治具横向移动，所述旋转装置带动治具旋转。10. A high-speed double-station stacking machine for lithium batteries according to claim 1, characterized in that: the rotating glue sticking jig includes a second transverse driving device, a rotating device, and a jig, the second transverse driving device drives the jig to move transversely, and the rotating device drives the jig to rotate.
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CN115036581A (en) * 2022-06-30 2022-09-09 三一技术装备有限公司 Battery cell device, battery cell laminating method and battery cell production line
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CN116742095B (en) * 2023-08-16 2023-12-08 惠州绿保科技有限公司 Double-station continuous stacking device and stacking method for hydrogen fuel cell stack
CN119495831B (en) * 2024-11-20 2025-12-05 广东茜恩智能装备有限公司 A lithium battery cell L-shaped dual-station stacking machine

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