CN110808417A - Lithium battery lamination machine, transposition lamination device and lamination method thereof - Google Patents

Lithium battery lamination machine, transposition lamination device and lamination method thereof Download PDF

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Publication number
CN110808417A
CN110808417A CN201911010936.1A CN201911010936A CN110808417A CN 110808417 A CN110808417 A CN 110808417A CN 201911010936 A CN201911010936 A CN 201911010936A CN 110808417 A CN110808417 A CN 110808417A
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China
Prior art keywords
lamination
station
diaphragm
blanking
drive
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CN201911010936.1A
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Chinese (zh)
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CN110808417B (en
Inventor
温在东
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温在东
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Priority to CN201911010936.1A priority Critical patent/CN110808417B/en
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Publication of CN110808417A publication Critical patent/CN110808417A/en
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Publication of CN110808417B publication Critical patent/CN110808417B/en

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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0583Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The invention belongs to the technical field of lithium battery production equipment, and particularly relates to a lithium battery laminating machine, a transposition laminating device and a laminating method thereof, wherein the transposition laminating device comprises a fixing mechanism, a transplanting mechanism and a forming mechanism; a lamination station and a blanking station are respectively arranged on two sides of the fixing mechanism; the transfer mechanism comprises at least two groups of driving components and connecting components, and the driving components are used for driving the two groups of connecting components to alternately move to the lamination station and the blanking station; the forming mechanism comprises a lamination table, positioning assemblies, a diaphragm conveying assembly and cutting assemblies, wherein the lamination table, the positioning assemblies, the diaphragm conveying assembly and the cutting assemblies are arranged on the connecting assembly, the lamination table is used for loading and stacking formed pole pieces and diaphragms, the number of the positioning assemblies is four, and the output ends of the four positioning assemblies are respectively aligned with four corners of the upper end of the lamination table. The invention has the beneficial effects that: can carry out new lamination operation at the unloading in-process, greatly improve the machine and utilize the rate, and then improve production efficiency effectively.

Description

Lithium battery lamination machine, transposition lamination device and lamination method thereof

Technical Field

The invention belongs to the technical field of lithium battery production equipment, and particularly relates to a lithium battery laminating machine, a transposition laminating device and a laminating method thereof.

Background

The lamination machine is one of key devices for producing the square lithium battery; a conventional lamination machine generally consists of ten mechanisms: the device comprises a material discharging mechanism, an anode material box, a cathode material box, an anode secondary positioning mechanism, a cathode secondary positioning mechanism, an anode feeding mechanism, a cathode feeding mechanism, a laminating table, a rubberizing mechanism and a material discharging mechanism; the working principle of the lamination machine is that positive and negative pole pieces are loaded into a material box, a manipulator moves left and right, the pole pieces are picked up in the positive and negative pole material boxes, and the positive and negative pole pieces are alternately placed on a lamination table after secondary positioning; the diaphragm is actively unreeled, and the lamination table drives the diaphragm to reciprocate left and right to form Z-shaped lap winding. After lamination is finished, cutting is carried out according to the set length, and manual rubberizing is automatically sent out.

The lamination process of a lamination platform is that the lamination is carried out in the back and forth movement between a station I and a station II, when an electric core lamination is finished, the next electric core lamination can be carried out after blanking is carried out on the electric core lamination, the blanking process is mainly finished by a mechanical arm, the mechanical arm clamps the formed lamination and moves to the outer side of the lamination platform, the time required by the whole blanking process is about 20-30 s, the next lamination can be carried out only after 20-30 s of waiting is carried out after each lamination is finished, the utilization rate of a machine is seriously influenced, and the production efficiency is low.

Disclosure of Invention

The invention aims to provide a lithium battery laminating machine, a transposition laminating device and a laminating method thereof, and aims to solve the technical problems that the machine utilization rate of the laminating machine in the prior art is low and the production efficiency is influenced.

In order to achieve the above object, an embodiment of the present invention provides a transposition lamination apparatus, which includes a fixing mechanism, a transplanting mechanism, and a forming mechanism; a lamination station and a blanking station are respectively arranged on two sides of the fixing mechanism; the transfer mechanism comprises at least two groups of driving assemblies and at least two groups of connecting assemblies, and the driving assemblies are used for driving the two groups of connecting assemblies to alternately move to the lamination station and the blanking station; forming mechanism is including locating lamination platform on the coupling assembling, the locating component who is used for compressing tightly pole piece and diaphragm, be used for carrying the diaphragm extremely the epaxial diaphragm conveyor components of lamination to and be used for cutting the cutting assembly of diaphragm, the lamination platform is used for loading and piles up fashioned pole piece and diaphragm, locating component's quantity is four groups, four groups locating component's output aligns respectively four angles of the upper end of lamination platform.

Optionally, the fixing mechanism includes a cylinder and two rotating plates, the two rotating plates are respectively rotatably connected to two ends of an inner cavity of the cylinder, first through grooves and second through grooves are respectively formed in opposite side walls of the cylinder, and an output end of the driving assembly is connected between the two rotating plates.

Optionally, drive assembly includes the pivot and is used for the drive the rotatory driving motor of pivot, the both ends of pivot respectively with the rotor plate rotates to be connected just the pivot is located on the axis of barrel, two coupling assembling all locates in the pivot.

Optionally, drive assembly includes pivot and driving motor, the both ends of pivot respectively with rotor plate fixed connection just the pivot with on the axis of barrel, driving motor passes through drive mechanism and one the rotor plate drive connection, two coupling assembling all locates in the pivot.

Optionally, the lamination station with the unloading station is the longitudinal symmetry setting, the pivot is followed the length direction of barrel sets up, coupling assembling includes pars contractilis and backup pad, the backup pad is fixed to be located in the pivot, the pars contractilis located in the backup pad, the lamination platform is located the output of pars contractilis, the pars contractilis is used for the drive the lamination platform removes, makes the lamination platform passes first wear the groove or the second wears the groove and removes to on lamination station or the unloading station.

Optionally, the lamination station with the unloading station is bilateral symmetry and locates fixed establishment's both sides, this transposition lamination device still include rotary mechanism, rotary mechanism is located the lamination station with between the unloading station, coupling assembling's quantity is two, two coupling assembling locates symmetrically rotary mechanism's output, coupling assembling's free end can extend to the lamination station or on the unloading station, the lamination platform is located on the coupling assembling, drive assembly's output with the drive is connected with the drive rotary mechanism's the rotatory in order to drive two of output coupling assembling removes.

Optionally, the positioning assembly includes a pressing sheet, a linear module and a lifter, the lifter is arranged at an output end of the linear module, the pressing sheet is arranged at an output end of the lifter, the linear module is used for driving the lifter to be close to the lamination table, and the lifter is used for driving the pressing sheet to move towards the lamination table so that the pressing sheet compresses and stacks the pole pieces on the lamination table.

One or more technical solutions of the transposition and lamination device provided by the embodiment of the invention have at least one of the following technical effects: after lamination is completed, the driving assembly drives the position exchange of the two connecting assemblies respectively positioned at the lamination station and the blanking station, so that the positions of the two lamination tables are exchanged, and the formed lamination is moved from the lamination station to the blanking station; compared with the prior art that a single lamination table is adopted for lamination operation in the lamination mechanism, a large amount of time is spent for blanking between two adjacent lamination processes, the utilization rate of a machine is low, and the production efficiency is low.

In order to achieve the above object, an embodiment of the present invention further provides a lithium battery lamination machine, which includes a positive plate conveying device, a negative plate conveying device, a blanking device, and the above transposition lamination device, where output ends of the positive plate conveying device and the negative plate conveying device are respectively connected to the transposition lamination device, and the blanking device is used to perform blanking operation on a bare cell output by the transposition lamination device.

One or more technical solutions of the lithium battery lamination machine provided by the embodiment of the present invention have at least one of the following technical effects: because the lithium battery lamination machine adopts the transposition lamination device, the working principle of the transposition disk device is as follows: after lamination is completed, the driving assembly drives the position exchange of the two connecting assemblies respectively positioned at the lamination station and the blanking station, so that the positions of the two lamination tables are exchanged, and the formed lamination is moved from the lamination station to the blanking station; compared with the prior art that a single lamination table is adopted for lamination operation in the lamination mechanism, a large amount of time is spent for blanking between two adjacent lamination processes, the utilization rate of a machine is low, and the production efficiency is low.

In order to achieve the above object, an embodiment of the present invention further provides a lamination method for a lithium battery lamination machine, including the following steps:

s100: the positive pole lamination conveying device places the positive pole pieces on the lamination table, and the two pressing pieces on the right side act simultaneously to press the positive pole pieces tightly; the diaphragm conveying assembly moves from right to left to drive the diaphragm to cover the positive plate placed on the laminating table; the negative electrode lamination conveying device places the negative electrode plates on the diaphragm, the two pressing plates on the left side act simultaneously to press the negative electrode plates tightly, and the diaphragm conveying assembly moves from left to right to drive the diaphragm to cover the negative electrode plates;

the step S100 is continuously and circularly executed for a plurality of times until the lamination is stacked to the set lamination layer number, and then the step S is stopped;

s200: the cutting assembly cuts the diaphragm;

s300: the driving assembly drives two groups of connecting assemblies which are respectively positioned at the lamination station and the blanking station to move, so that the positions of lamination tables positioned at the lamination station and the blanking station are exchanged;

s400: the blanking device carries out blanking operation on the formed lamination of the lamination table moved to the blanking station; and the positive plate conveying device, the negative plate conveying device and the diaphragm conveying assembly perform lamination operation on a lamination table moved to the lamination station.

One or more technical solutions of the lamination method of the lithium battery lamination machine provided by the embodiment of the invention have at least one of the following technical effects: compared with the prior art that a single lamination table is adopted for lamination operation in the lamination mechanism, a large amount of time is spent for blanking between two adjacent lamination processes, the utilization rate of a machine is low, and the production efficiency is low.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a front cross-sectional view of an indexing lamination device according to an embodiment of the present invention.

Fig. 2 is a top cross-sectional view of an indexing lamination assembly according to an embodiment of the present invention.

Fig. 3 is a flowchart of a lamination method of a lithium battery lamination machine according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-fixing mechanism 20-transferring mechanism 30-forming mechanism

21-drive assembly 22-connecting assembly 31-lamination table

32-positioning assembly 33-diaphragm conveying assembly 13-cylinder

14-rotating the plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate embodiments of the invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

Example one

In an embodiment of the present invention, as shown in fig. 1-2, a transposition stacking device is provided, which is described in the description of the transposition stacking device and applied to a lithium battery stacking machine, the lithium battery stacking machine includes a positive plate conveying device, a negative plate conveying device, a blanking device and the transposition stacking device, and output ends of the positive plate conveying device and the negative plate conveying device are respectively connected to the transposition stacking device; the positive plate conveying device is used for conveying positive plates to the transposition laminating device, the negative plate conveying device is used for conveying negative plates to the transposition laminating device, and the blanking device is used for carrying out blanking operation on bare cells output by the transposition laminating device

The transposition lamination device comprises a fixing mechanism 10, a transferring mechanism 20 and a forming mechanism 30; a lamination station (not marked in the drawing) and a blanking station (not marked in the drawing) are respectively arranged on two sides of the fixing mechanism 10; the transfer mechanism 20 comprises driving assemblies 21 and connecting assemblies 22, the number of the connecting assemblies 22 is at least two, and the driving assemblies 21 are used for driving the two groups of the connecting assemblies 22 to alternately move to the lamination station and the blanking station; forming mechanism 30 is including locating lamination platform 31 on coupling assembling 22, the locating component 32 that is used for compressing tightly pole piece and diaphragm, be used for carrying the diaphragm extremely diaphragm conveying component 33 on lamination platform 31 to and the cutting means (the reference numeral is not marked) that is used for cutting the diaphragm, lamination platform 31 is used for loading and piles up fashioned pole piece and diaphragm, locating component 32 is used for spacing the piling up diaphragm and the pole piece on lamination platform 31, in this embodiment, coupling assembling 22's quantity is two sets of.

Specifically, the positive lamination conveying device places the positive plate on the lamination table 31, and the two right pressing plates act simultaneously to press the positive plate; the diaphragm conveying assembly 33 moves from right to left to drive a diaphragm to cover the positive plate placed on the laminating table 31; the negative electrode lamination conveying device places the negative electrode plates on the diaphragm, the two pressing plates on the left side act simultaneously to press the negative electrode plates tightly, the diaphragm conveying assembly 33 moves from left to right to drive the diaphragm to cover the negative electrode plates, and the step is continuously and circularly executed for multiple times until the negative electrode plates are stacked to the set lamination number; the cutting assembly cuts the diaphragm; the driving assembly 21 drives two groups of connecting assemblies 22 respectively positioned at the lamination station and the blanking station to move, so that the positions of lamination tables 31 positioned at the lamination station and the blanking station are exchanged; the blanking device carries out blanking operation on the formed lamination of the lamination table 31 moved to the blanking station; the positive plate conveying device, the negative plate conveying device and the diaphragm conveying assembly 33 perform lamination operation on the lamination table 31 moved to the lamination station; compared with the prior art that a single lamination table 31 is adopted for lamination operation in the lamination mechanism, a large amount of time is spent for blanking between two adjacent lamination processes, the utilization rate of a machine is low, and the production efficiency is low.

In this embodiment, as shown in fig. 1 to 2, the fixing mechanism 10 includes a cylinder 13 and two rotating plates 14, the number of the rotating plates 14 is two, the two rotating plates 14 are respectively rotatably connected to two ends of an inner cavity of the cylinder 13, opposite side walls of the cylinder 13 are respectively provided with a first through groove (not marked in the drawing) and a second through groove (not marked in the drawing), and an output end of the driving assembly 21 is connected between the two rotating plates 14; in particular, the cylinder 13 and the rotating plate 14 provide an advantageous installation environment for the driving assembly 21, so that the structure of the whole indexing and stacking device becomes simpler and the installation is convenient.

In this embodiment, as shown in fig. 1-2, the driving assembly 21 includes a rotating shaft (not marked), and a driving motor (not marked) for driving the rotating shaft to rotate, two ends of the rotating shaft are respectively rotatably connected to the rotating plate 14 and the rotating shaft is located on the axis of the cylinder 13, and the two connecting assemblies 22 are both disposed on the rotating shaft; specifically, driving motor drive pivot is rotatory, drives coupling assembling 22 and removes, adopts the structure of motor and pivot can improve rotatory stability, further optimizes the structure moreover, improves the utilization ratio in space.

In this embodiment, as shown in fig. 1 to 2, the stacking station and the blanking station are disposed in a vertically symmetrical manner, the rotating shaft is disposed along a length direction of the cylinder 13, the connecting assembly 22 includes a telescopic portion (not marked in the drawing) and a support plate (not marked in the drawing), the support plate is fixedly disposed on the rotating shaft, the telescopic portion is disposed on the support plate, the stacking station 31 is disposed at an output end of the telescopic portion, the telescopic portion is configured to drive the stacking station 31 to move, so that the stacking station 31 passes through the first through groove and moves to the stacking station, or the stacking station 31 passes through the second through groove and moves to the blanking station, the telescopic portion includes a telescopic member and a transmission mechanism, and the telescopic member may be a thin cylinder; specifically, adopt the design of wearing the groove, when needs lamination or unloading, extensible member drive lamination platform 31 moves to the outside of wearing the groove, and when the position of needs exchange lamination platform 31, extensible member drive lamination platform 31 moves to the barrel 13 inboard, and this structure is favorable to improving the utilization ratio in space, improve equipment's practicality.

In the present embodiment, as shown in fig. 1 to 2, the number of the positioning assemblies 32 is four, and the four positioning assemblies 32 are respectively disposed at four corners of the upper end of the lamination stage 31; specifically, adopt a plurality of locating component 32 positioning effect that can improve, prevent the pole piece off normal, improve product quality.

In this embodiment, as shown in fig. 1-2, the positioning assembly 32 includes a pressing sheet, a linear module (not labeled), and a lifter (not labeled), the lifter is disposed at an output end of the linear module, the pressing sheet is disposed at an output end of the lifter, the linear module is configured to drive the lifter to approach the lamination table, the lifter is configured to drive the pressing sheet to move toward the lamination table so that the pressing sheet presses the pole pieces stacked on the lamination table, and the lifter in this embodiment is a thin cylinder; specifically, two liang of correspondences of four locating component 32, when needs compress tightly the pole piece, sharp module drive riser removes to one side of lamination platform, and two sets of preforming compress tightly positive plate through the riser drive, and after the diaphragm covers, sharp module and riser reset, adopt this structure can be simple effectual several location of realization, improve production efficiency.

As shown in fig. 3, an embodiment of the present invention provides a lamination method for a lithium battery lamination machine, including the following steps:

s100: the positive lamination conveying device places the positive plate on the lamination table 31, and the two pressing plates on the right side act simultaneously to press the positive plate tightly; the diaphragm conveying assembly 33 moves from right to left to drive a diaphragm to cover the positive plate placed on the laminating table 31; the negative electrode lamination conveying device places the negative electrode plates on the diaphragm, the two pressing plates on the left side act simultaneously to press the negative electrode plates tightly, and the diaphragm conveying assembly 33 moves from left to right to drive the diaphragm to cover the negative electrode plates;

the step S100 is continuously and circularly executed for a plurality of times until the lamination is stacked to the set lamination layer number, and then the step S is stopped;

s200: the cutting assembly cuts the diaphragm;

s300: the driving assembly 21 drives two groups of connecting assemblies 22 respectively positioned at the lamination station and the blanking station to move, so that the positions of lamination tables 31 positioned at the lamination station and the blanking station are exchanged;

s400: the blanking device carries out blanking operation on the formed lamination of the lamination table 31 moved to the blanking station; the positive electrode plate conveying device, the negative electrode plate conveying device and the diaphragm conveying assembly 33 perform lamination operation on the lamination table 31 moved to the lamination station.

Specifically, compared with the prior art in which a single lamination table 31 is adopted for lamination operation in the lamination mechanism, a large amount of time is spent between two adjacent lamination processes for blanking, and the technical problem of low utilization rate of a machine and low production efficiency exists.

Example two

The driving assembly 21 comprises a rotating shaft and a driving motor, two ends of the rotating shaft are respectively fixedly connected with the rotating plate 14 and the rotating shaft is arranged on the axis of the cylinder 13, the driving motor is in driving connection with one rotating plate 14 through a transmission mechanism, and the two connecting assemblies 22 are arranged on the rotating shaft; specifically, the motor drives the rotating plate 14 to rotate, so that the rotating shaft rotates and drives the connecting assembly 22 to move, the rotating plate 14 and the rotating shaft in the structure can be in an integral shape, the manufacturing is convenient, and the manufacturing efficiency of the equipment is improved.

The rest of the embodiment is the same as the first embodiment, and thus, the description thereof is omitted.

EXAMPLE III

The lamination station and the blanking station are arranged on two sides of the fixing mechanism 10 in a bilateral symmetry manner, the transposition lamination device further comprises a rotating mechanism (not marked by a reference numeral), the rotating mechanism is positioned between the lamination station and the blanking station, the number of the connecting assemblies 22 is two, the two connecting assemblies 22 are symmetrically arranged at the output end of the rotating mechanism, the free end of each connecting assembly 22 can extend to the lamination station or the blanking station, the lamination table is arranged on the connecting assembly 22, and the output end of the driving assembly is in driving connection with the rotating mechanism to drive the output end of the rotating mechanism to rotate so as to drive the two connecting assemblies 22 to move; the connecting assembly 22 is plate-shaped; specifically, drive assembly 21 drive rotary mechanism's output is rotatory in order to drive coupling assembling 22 and remove, makes lamination platform 31 can move to the lamination station or on the unloading station, and then realizes the position exchange of two lamination platforms 31, and this structure can make the naked electric core atress direction of accomplishing the lamination maintain unchangeably, improves the quality of product.

The rest of the embodiment is the same as the first embodiment, and thus, the description thereof is omitted.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. An indexing lamination device, comprising:
the device comprises a fixing mechanism, a stacking station and a blanking station, wherein the two sides of the fixing mechanism are respectively provided with the stacking station and the blanking station;
the transfer mechanism comprises at least two groups of connecting assemblies, and the driving assemblies are used for driving every two groups of connecting assemblies to alternately move to the lamination station and the blanking station;
forming mechanism, including locating lamination platform on the coupling assembling, the locating component who is used for compressing tightly pole piece and diaphragm, be used for carrying the diaphragm extremely the diaphragm conveying component on the lamination platform and the cutting element who is used for cutting the diaphragm, the lamination platform is used for loading and piles up fashioned pole piece and diaphragm, locating component's quantity is four groups, four groups locating component's output aligns respectively four angles of the upper end of lamination platform.
2. A transposed lamination device as claimed in claim 1, wherein: the fixing mechanism comprises a cylinder and two rotating plates, the two rotating plates are respectively connected to two ends of an inner cavity of the cylinder in a rotating mode, a first penetrating groove and a second penetrating groove are formed in opposite side walls of the cylinder respectively, and an output end of the driving assembly is connected between the two rotating plates.
3. A transposed lamination device according to claim 2, wherein: the drive assembly comprises a rotating shaft and a drive motor used for driving the rotating shaft to rotate, two ends of the rotating shaft are respectively connected with the rotating plate in a rotating mode, the rotating shaft is located on the axis of the barrel, and the connecting assemblies are arranged on the rotating shaft.
4. A transposed lamination device according to claim 2, wherein: the drive assembly comprises a rotating shaft and a drive motor, the two ends of the rotating shaft are respectively fixedly connected with the two rotating plates, the rotating shaft is connected with the axis of the barrel body, the drive motor is in driving connection with one of the rotating plates through a transmission mechanism, and the connecting assemblies are arranged on the rotating shaft.
5. An indexing lamination device according to claim 3 or 4, wherein: the lamination station with the unloading station is the longitudinal symmetry setting, the pivot is followed the length direction of barrel sets up, coupling assembling includes pars contractilis and backup pad, the backup pad is fixed to be located in the pivot, the pars contractilis is located in the backup pad, the lamination platform is located the output of pars contractilis, the pars contractilis is used for the drive the lamination platform removes, so that the lamination platform passes first wear the groove or the second wears the groove and removes extremely the lamination station or on the unloading station.
6. A transposed lamination device as claimed in claim 1, wherein: lamination station with the unloading station is bilateral symmetry and locates fixed establishment's both sides, this transposition lamination device still include rotary mechanism, rotary mechanism is located the lamination station with between the unloading station, coupling assembling's quantity is two, two coupling assembling locates symmetrically rotary mechanism's output, coupling assembling's free end can extend to the lamination station or on the unloading station, the lamination platform is located coupling assembling is last, drive assembly's output with the drive is connected with the drive rotary mechanism's output is rotatory in order to drive two coupling assembling removes.
7. A transposed lamination device as claimed in claim 1, wherein: the positioning assembly comprises a pressing sheet, a linear module and a lifter, the lifter is arranged at the output end of the linear module, the pressing sheet is arranged at the output end of the lifter, the linear module is used for driving the lifter to be close to the lamination table, and the lifter is used for driving the pressing sheet to move in the direction of the lamination table so as to enable the pressing sheet to be pressed and stacked on pole pieces on the lamination table.
8. A lithium battery lamination machine which is characterized in that: the transposition and lamination device comprises a positive plate conveying device, a negative plate conveying device, a blanking device and the transposition and lamination device according to any one of claims 1 to 7, wherein the output ends of the positive plate conveying device and the negative plate conveying device are respectively connected with the transposition and lamination device, and the blanking device is used for carrying out blanking operation on a bare cell output by the transposition and lamination device.
9. A lamination method of a lithium battery lamination machine, which is performed by the lithium battery lamination machine of claim 8, and comprises the following steps:
s100: the positive pole lamination conveying device places the positive pole pieces on the lamination table, and the two pressing pieces on the right side act simultaneously to press the positive pole pieces tightly; the diaphragm conveying assembly moves from right to left to drive the diaphragm to cover the positive plate placed on the laminating table; the negative electrode lamination conveying device places the negative electrode plates on the diaphragm, the two pressing plates on the left side act simultaneously to press the negative electrode plates tightly, and the diaphragm conveying assembly moves from left to right to drive the diaphragm to cover the negative electrode plates;
the step S100 is continuously and circularly executed for a plurality of times until the lamination is stacked to the set lamination layer number, and then the step S is stopped;
s200: the cutting assembly cuts the diaphragm;
s300: the driving assembly drives two groups of connecting assemblies which are respectively positioned at the lamination station and the blanking station to move, so that the positions of lamination tables positioned at the lamination station and the blanking station are exchanged;
s400: and the blanking device performs blanking operation on the formed lamination of the lamination table moved to the blanking station.
CN201911010936.1A 2019-10-23 Lithium battery lamination machine, transposition lamination device and lamination method thereof CN110808417B (en)

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Application Number Priority Date Filing Date Title
CN201911010936.1A CN110808417B (en) 2019-10-23 Lithium battery lamination machine, transposition lamination device and lamination method thereof

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Application Number Priority Date Filing Date Title
CN201911010936.1A CN110808417B (en) 2019-10-23 Lithium battery lamination machine, transposition lamination device and lamination method thereof

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CN110808417A true CN110808417A (en) 2020-02-18
CN110808417B CN110808417B (en) 2021-02-02

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CN104362384A (en) * 2014-11-25 2015-02-18 深圳市吉阳自动化科技有限公司 Double-station laminating device and double-station laminating method
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CN109768316A (en) * 2019-01-26 2019-05-17 温在东 Laminated cell structure and suitable for its through lamination, the production method of rubberizing
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