CN212725406U

CN212725406U - Lamination device and cutting and stacking all-in-one machine

Info

Publication number: CN212725406U
Application number: CN202022001291.XU
Authority: CN
Inventors: 成爱军; 孙涛涛
Original assignee: Shenzhen Shunyuan Automation Technology Co ltd
Current assignee: Shenzhen Shunyuan Automation Technology Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-03-16
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a lamination device and cutting and stacking integrated machine, in the lamination device, a first picking and placing mechanical arm transfers two first pole pieces of a first material taking position to the upper part of a diaphragm at a combination position simultaneously, and positions to the upper surface of the diaphragm at the combination position respectively in sequence, a second picking and placing mechanical arm transfers two second pole pieces of a second material taking position to the lower part of the diaphragm at the combination position simultaneously, and positions to the lower surface of the diaphragm at the combination position respectively in sequence, and the first pole piece, the second pole piece and the diaphragm between the two which are positioned in sequence form a front combination unit and a rear combination unit respectively; the first clamping and transferring mechanism transfers the former combination to the lamination table, the second clamping and transferring mechanism transfers the latter combination to the upper side of the former combination unit, and meanwhile, a diaphragm positioned between the former combination unit and the latter combination unit is laminated between the former combination unit and the latter combination unit. Compared with a mode of only stacking one pole piece at a time, the lamination device can improve the lamination efficiency of the lamination battery core.

Description

Lamination device and cutting and stacking all-in-one machine

Technical Field

The application relates to the technical field of laminated battery cell production equipment, in particular to a laminating device and a cutting and stacking integrated machine.

Background

At present, most production equipment for lithium battery cells adopts a Z-shaped lamination mode for production, as shown in fig. 1(a), a layer of diaphragm is laid on a lamination table, and a negative plate is stacked on the diaphragm. As shown in fig. 1(b), a layer of diaphragm is laminated on the upper surface of the negative electrode plate by moving the lamination table to the left or moving the diaphragm swing rod to the right, and then a layer of positive electrode plate is laminated on the layer of diaphragm. As shown in fig. 1(c), a layer of separator is laminated on the upper surface of the positive electrode plate by moving the lamination table to the right or moving the separator swing rod to the left, and then a negative electrode plate is laminated on the layer of separator. And reciprocating in such a way to form the laminated battery cell. The equipment can only stack one layer of pole piece at a time, and the stacking efficiency is low, so that the production efficiency of the finished laminated battery cell is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a lamination device and cuts and fold all-in-one, and the lamination device can form two combination units in the position of combination through getting and putting the manipulator and come and go in getting material position and combination position at every turn to save and respectively get the manipulator and come and go in respectively getting the time between material position and the combination position, improve lamination efficiency a bit, further improve the production efficiency of finished product electricity core.

According to a first aspect of the present application, there is provided a lamination device comprising:

the membrane unwinding mechanism is used for unwinding the membrane; the diaphragm is sequentially provided with a combination position and a lamination position along the unreeling path;

a lamination station disposed at the lamination station;

the first taking and placing mechanical arm is used for simultaneously transferring the two first pole pieces at the first material taking position to the upper part of the diaphragm at the combination position and respectively and sequentially positioning the two first pole pieces to the upper surface of the diaphragm at the combination position;

the second picking and placing mechanical arm is used for simultaneously transferring two second pole pieces of a second picking position to the lower part of the diaphragm at the combination position and respectively and sequentially positioning the two second pole pieces to the lower surface of the diaphragm at the combination position; the first pole piece, the second pole piece and the diaphragm between the first pole piece and the second pole piece which are sequentially positioned at the combination position respectively form a front combination unit and a rear combination unit at the combination position in sequence;

the first clamping and transferring mechanism is used for clamping the front combined unit and transferring the front combined unit to the laminating table;

and the second clamping and transferring mechanism is used for clamping the rear combination unit and transferring the rear combination unit to the front combination unit on the laminating table.

Furthermore, two first clamping and transferring mechanisms are arranged and are respectively positioned on two sides of the diaphragm in the width direction; each of the first clamp transfer mechanisms includes: the first clamping jaw assembly, the first X-axis moving assembly and the first Y-axis moving assembly; the first clamping jaw assembly is mounted on the first Y-axis moving assembly, and the first Y-axis moving assembly is mounted on the first X-axis moving assembly; the first X-axis moving assembly is used for driving the first Y-axis moving assembly to move to the combination position; the first Y-axis moving assembly is used for driving the first clamping jaw assembly to move towards the side edge of the diaphragm in the width direction or reset; the first clamping jaw assembly is used for clamping the side edge of the combined unit in the width direction or releasing the combined unit; after the first clamping jaw assembly clamps the combined unit, the first X-axis moving assembly is further used for driving the first Y-axis moving assembly to move from the combined position to the position above the lamination table at the lamination position or reset;

the two second clamping and transferring mechanisms are respectively positioned on two sides of the diaphragm in the width direction; each of the second grip transfer mechanisms includes: a second jaw assembly, a second X-axis movement assembly, and a second Y-axis movement assembly; the second clamping jaw assembly is mounted on the second Y-axis moving assembly, and the second Y-axis moving assembly is mounted on the second X-axis moving assembly; the second X-axis moving assembly is used for driving the second Y-axis moving assembly to move to the combination position; the second Y-axis moving assembly is used for driving the second clamping jaw assembly to move towards the side edge of the diaphragm in the width direction or reset; the second clamping jaw assembly is used for clamping the side edge of the combined unit in the width direction or releasing the combined unit; after the second clamping jaw assembly clamps the combined unit, the second X-axis moving assembly is further used for driving the second Y-axis moving assembly to move from the combined position to the position above the lamination table at the lamination position or reset.

Furthermore, the two first clamping and transferring mechanisms are respectively close to two sides of the diaphragm in the width direction, the two second clamping and transferring mechanisms are respectively far away from two sides of the diaphragm in the width direction, and the second clamping and transferring mechanisms are positioned at the outer sides of the first clamping and transferring mechanisms;

each of the first clamp transfer mechanisms further includes: the first Z-axis moving assembly is arranged on the first Y-axis moving assembly, and the first clamping jaw assembly is arranged on the first Z-axis moving assembly; the first Z-axis moving assembly is used for driving the first clamping jaw assembly to move downwards to avoid the second clamping jaw assembly when the first X-axis moving assembly drives the first Y-axis moving assembly to reset;

and/or the presence of a gas in the gas,

each of the second clamping and transferring mechanisms further includes: the second Z-axis moving assembly is arranged on the second Y-axis moving assembly, and the second clamping jaw assembly is arranged on the second Z-axis moving assembly; and the second Z-axis moving assembly is used for driving the second clamping jaw assembly to move upwards to avoid the first clamping jaw assembly when the second X-axis moving assembly drives the second Y-axis moving assembly to reset.

Further, the first pick-and-place manipulator comprises: the first lifting driving mechanism is arranged on the first vacuum sucker; the two first lifting driving mechanisms are arranged on the first picking and placing manipulator body, the two first vacuum chucks correspond to the two first lifting driving mechanisms one by one, and the first vacuum chucks are arranged on the first lifting driving mechanisms; the first picking and placing manipulator body is used for reciprocating between a first picking position and a combination position, the first vacuum chuck is used for adsorbing the first pole piece at the first picking position, or the first pole piece is released at the combination position, the first lifting driving mechanism is used for driving the first vacuum chuck to descend at the first picking position so as to adsorb the first pole piece and ascend so as to be separated from the first picking position, or driving the first vacuum chuck to descend at the combination position so as to release the first pole piece and ascend so as to be separated from the combination position;

the second is got and is put the manipulator and includes: the second picking and placing mechanical hand body, the two second vacuum chucks and the two second lifting driving mechanisms are arranged on the second picking and placing mechanical hand body; the two second lifting driving mechanisms are arranged on the second picking and placing manipulator body, the two second vacuum chucks correspond to the two second lifting driving mechanisms one by one, and the second vacuum chucks are arranged on the second lifting driving mechanisms; the second is got and is put manipulator body and be used for getting the reciprocating motion between material level and the combination position at the second, second vacuum chuck is used for getting the material level absorption at the second pole piece, perhaps, releases at the combination position the second pole piece, second lift actuating mechanism is used for getting the material level drive at the second vacuum chuck descends, in order to adsorb the second pole piece rises, in order to break away from the material level is got to the second, perhaps, drives at the combination position the second vacuum chuck rises, in order to release the second pole piece descends, in order to break away from the combination position.

Further, the lamination device further includes: the first CCD camera is used for photographing a first pole piece adsorbed on the first vacuum chuck at the first material taking position, and the second CCD camera is used for photographing a second pole piece adsorbed on the second vacuum chuck at the second material taking position.

Furthermore, a diaphragm pressing assembly is further arranged on the lamination table and arranged on the side edge of the lamination table in the material feeding direction and used for pressing two sides of the diaphragm in the width direction.

Further, a lamination table lifting driving assembly is further arranged below the lamination table and used for driving the lamination table to ascend or descend so as to keep the lamination table at the same height all the time.

Further, the laminating mechanism used for compressing the combined unit is further arranged above the laminating table, and the laminating mechanism comprises: the pressing plate is arranged above the lamination table and arranged on the pressing plate lifting driving mechanism, the pressing plate lifting driving mechanism is used for driving the pressing plate to move towards the lamination table so as to press the combined unit, and the pressing plate is driven to move away from the lamination table so as to release the combined unit.

Further, the width of the front combination unit is equal to the width of the rear combination unit, and is equal to the length of the diaphragm between the front combination unit and the rear combination unit.

According to the second aspect of the present application, the present application further provides a cutting and folding all-in-one machine, including two the lamination device further includes:

the first pole piece manufacturing mechanism is used for manufacturing and outputting a first pole piece;

the second pole piece manufacturing mechanism is used for manufacturing and outputting a second pole piece;

the first pole piece shunting mechanism is used for conveying the first pole piece to the output end of the second pole piece manufacturing mechanism;

and the second pole piece shunting mechanism is used for conveying the second pole piece to the output end of the first pole piece manufacturing mechanism.

According to the laminating device and the cutting and stacking integrated machine, the laminating device can form two combined units at the combined position by the taking and placing mechanical arm to and fro between the taking position and the combined position every time, so that the time of the taking and placing mechanical arm to and fro between the taking position and the combined position is saved. And then the two combined units are stacked on the stacking platform in a Z-shaped stacking mode, so that the stacking efficiency of the stacked battery cell is improved and the production efficiency of the finished battery cell is further improved compared with the mode that only one pole piece is stacked at a time.

Drawings

FIG. 1 is a schematic view of a prior art Z-shaped lamination;

FIG. 2 is a perspective view of a lamination device provided herein;

FIG. 3 is a schematic structural diagram of a combination unit of the present application;

FIG. 4 is a front view of the first and second clamp movement mechanisms provided herein;

FIG. 5 is a top view of FIG. 4;

fig. 6 is a schematic structural diagram of a first robot provided in the present application;

fig. 7 is a schematic structural diagram of a second robot provided in the present application;

FIG. 8 is a schematic structural diagram of a lamination station provided herein;

FIG. 9 is a first schematic diagram illustrating the operation of the lamination device provided herein;

FIG. 10 is a second schematic diagram of the operation of the lamination device provided herein;

fig. 11 is a first schematic structural diagram of the cutting and stacking all-in-one machine provided in the present application;

fig. 12 is a second structural schematic diagram of the cutting and folding all-in-one machine provided by the present application.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

The first embodiment,

Referring to fig. 2, the present embodiment provides a lamination device 100, and the lamination device 100 mainly includes: the device comprises a membrane unreeling mechanism 10, a lamination table 20, a first picking and placing mechanical arm 30, a second picking and placing mechanical arm 40, a first clamping moving mechanism 50 and a second clamping moving mechanism 60.

The membrane unwinding mechanism 10 is configured to unwind the membrane 70 by means of an unwinding discharge manner, as shown in fig. 9, the membrane 70 is sequentially provided with a combining position and a lamination position on an unwinding path thereof, the lamination table 20 is provided at the lamination position, and the membrane 70 is unwound onto the lamination table 20. The first picking and placing manipulator 30 is used for simultaneously transferring the two first pole pieces at the first picking position to the upper side of the diaphragm at the combination position and respectively and sequentially positioning the two first pole pieces to the upper surface of the diaphragm 70 at the combination position, in other words, the first picking and placing manipulator 30 simultaneously adsorbs and fixes the two first pole pieces at the first picking position and transfers the two first pole pieces from the first picking position to the upper side of the combination position, which means that when transferring to the upper side of the combination position, one of the first pole pieces is just at the combination position, namely, is right opposite to the diaphragm at the combination position. In this embodiment, the first material taking position is stored with at least two first pole pieces. The second picking and placing manipulator 40 is used for simultaneously transferring two second pole pieces at the second picking position to the lower side of the diaphragm at the combination position and respectively and sequentially positioning the two second pole pieces to the lower surface of the diaphragm 70 at the combination position, in other words, the second picking and placing manipulator 40 simultaneously adsorbs and fixes two second pole pieces at the second picking position and transfers the two second pole pieces from the second picking position to the lower side of the combination position, which means that when transferring to the lower side of the combination position, one of the second pole pieces is just at the combination position, namely, is right opposite to the diaphragm at the combination position. In this embodiment, the second material taking position is at least stored with two second pole pieces. In this embodiment, the polarities of the first pole piece and the second pole piece are opposite. The first pole piece, the second pole piece and the diaphragm between the first pole piece and the second pole piece which are sequentially positioned at the combination position respectively form a front combination unit and a rear combination unit at the combination position in sequence.

The first clamping and transferring mechanism 50 is for clamping both side edges of the preceding combining unit in the width direction of the diaphragm 70 and transferring to the lamination stage 20. The second clamping and transferring mechanism 60 is used for clamping both side edges of the latter combining unit in the width direction of the diaphragm 70 and transferring to the former combining unit which has been stacked on the stacking table. In the stacking process, the separators located between the front assembled unit and the rear assembled unit are stacked therebetween, thereby performing zigzag stacking.

In this embodiment, to ensure the regularity of the laminated battery core, the width of the front combination unit is equal to the width of the rear combination unit, and the width of the diaphragm that is equal to the width of the diaphragm stacked between the front combination unit and the rear combination unit should be equal.

As shown in fig. 3, fig. 3 illustrates a process of sequentially forming a previous combination unit and a next combination unit at a combination site. In the following embodiments, for the sake of illustration, two first pole pieces are defined as a first pole piece 101 and a second first pole piece 101 ', respectively, and two second pole pieces are defined as a first second pole piece 102 and a second pole piece 102', respectively.

As described above, the first pole piece 101 is positioned to the upper surface of the diaphragm 70 at the combination position by the first pick-and-place robot 30, the first second pole piece 102 is positioned to the lower surface of the diaphragm 70 at the combination position by the second pick-and-place robot, the first pole piece 101, the first second pole piece 102 and the diaphragm 70 therebetween form the previous combination unit C at the combination position, and the previous combination unit C is clamped and transferred to the lamination table 20 at the lamination position by the first clamping and transferring mechanism 50. During the transfer of the previous combined unit C by the first grip transfer mechanism 50, the subsequent diaphragm 70 is also simultaneously moved forward. Then, the first pick-and-place manipulator 30 positions the second first pole piece 101' on the upper surface of the diaphragm 70 at the combination position, a second pole piece 102' is positioned by a second pick-and-place robot 40 to the lower surface of the diaphragm 70 at the combining position, in the assembled position, the second first pole piece 101 ', the second pole piece 102 ', and the diaphragm 70 (forward diaphragm) therebetween form a rear assembled unit C ', in a zigzag lamination manner, the latter combined unit C' is transferred to the previously stacked combined unit C on the lamination stage 20 by the second grip transfer mechanism 60, meanwhile, the diaphragm 70 between the front combination unit C and the rear combination unit C ' is connected, and for the sake of clearer description, the diaphragm connected between the front combination unit C and the rear combination unit C ' is defined as a connection diaphragm 70 ', and the connection diaphragm 70 ' is simultaneously laminated between the front combination unit C and the rear combination unit C '. The connecting portion diaphragm 70 'is a diaphragm carried by the front combination unit C after moving forward, and a width of the connecting portion diaphragm 70' (a length of the connecting portion diaphragm 70 'in an unwinding direction of the diaphragm) is equal to the width of the front combination unit C and the rear combination unit C'. In the stacking process, the previous combining unit C is stacked to the stacking table 20, the next combining unit C ' is stacked to the upper surface of the previous combining unit C, and the connecting portion diaphragm 70 ' connected between the previous combining unit C and the next combining unit C ' is stacked therebetween.

As in the above-described embodiment, the previous combined unit C is transferred onto the lamination stage 20 while holding both sides thereof in the width direction of the separator 70 by the first holding and transferring mechanism 50. The rear assembled unit C ' is transferred to the stacked front assembled unit C on the lamination stage while holding both sides thereof in the width direction of the diaphragm 70 by the second holding and transferring mechanism 60, and the connecting portion diaphragm 70 ' between the front assembled unit C and the rear assembled unit C ' is laminated therebetween. As described above, the first pick-and-place manipulator 30 continuously transfers the two first pole pieces from the first pick-and-place position to the upper surface of the diaphragm 70 at the combination position, the second pick-and-place manipulator 40 continuously transfers the two second pole pieces from the second pick-and-place position to the lower surface of the diaphragm 70 at the combination position, the other front combination unit C and the other rear combination unit C ' are sequentially formed at the combination position, the other front combination unit C is transferred to the upper side of the rear combination unit C ' by the first clamping and transferring mechanism 50, the other rear combination unit C ' is transferred to the upper side of the other front combination unit C by the second clamping and transferring mechanism 60, and the other diaphragm connecting part 70 ' between the other front combination unit C and the other rear combination unit C ' is laminated on the two (the other front combination unit C and the other rear combination unit C The latter combination units C') are stacked in a reciprocating and circulating manner until the combination units are stacked to a preset number of layers to form finished product battery cores.

In the present application, the widths of the front combination unit C, the rear combination unit C 'and the connection diaphragm 70' are the same, and the widths of the other front combination unit C, the other rear combination unit C 'and the other connection diaphragm 70' are the same and are all equal to the width of the finished laminated battery core.

According to the lamination device, two first pole pieces are simultaneously transferred to the upper part of a diaphragm at a combination position through a first picking and placing mechanical arm 30 and are respectively and sequentially positioned on the upper surface of the diaphragm 70 at the combination position, two second pole pieces are simultaneously transferred to the lower part of the diaphragm at the combination position through a second picking and placing mechanical arm 40 and are respectively and sequentially positioned on the lower surface of the diaphragm 70 at the combination position, so that two combination units are sequentially formed at the combination position, and the two combination units are stacked on a lamination table in a Z-shaped lamination mode. The lamination device can save the time that each picking and placing mechanical arm moves back and forth between each picking and placing position and the combination position, and compared with the mode that only one pole piece is stacked at a time, the lamination device improves the lamination efficiency of the lamination battery cell and further improves the production efficiency of finished product battery cells.

With continued reference to fig. 2, the membrane unwinding mechanism 10 mainly includes: the frame body 11 to and along the unreeling direction of diaphragm 70 install in proper order on this frame body 11 blowing roller 12, a plurality of roller 13, tension assembly 14, the subassembly 15 and draw the subassembly 16 of rectifying, the diaphragm 70 wears to take in proper order on blowing roller 12, a plurality of roller 13, tension assembly 14, the subassembly 15 and draw the subassembly 16 of rectifying, blowing roller 12 specifically adopts the inflatable shaft, installs diaphragm coil stock 71 on this blowing roller 12. The tension assembly 14 is used to keep the unwinding diaphragm 70 in tension at all times, and thus in a tensioned, flat condition. The deflection correcting assembly 15 is used to correct the deflection of the diaphragm 70 in the width direction thereof so as to prevent the subsequent lamination quality from being affected. The pulling assembly 16 is used to pull the diaphragm 70 to unwind the diaphragm.

As shown in fig. 4 and 5, the Y-axis direction in fig. 4 and 5 is the width direction of the diaphragm 70, i.e., the Y-axis is perpendicular to the long side of the diaphragm 70, the Z-axis direction in fig. 4 is the direction perpendicular to the diaphragm 70, and the X-axis direction in fig. 5 is the length direction of the diaphragm 70, i.e., the X-axis is parallel to the long side of the diaphragm 70. In the present application, two first clamping and transferring mechanisms 50 are provided, and the two first clamping and transferring mechanisms 50 have the same structure and can respectively clamp two sides of the previous combined unit C along the width direction of the diaphragm 70. Two second clamping and transferring mechanisms 60 are also provided, and the two second clamping and transferring mechanisms 60 have the same structure and can respectively clamp two sides of the rear combined unit C' along the width direction of the diaphragm 70. The two first clamping and transferring mechanisms 50 are respectively close to the side edges of the diaphragm 70 in the width direction, the two second clamping and transferring mechanisms 60 are far away from the side edges of the diaphragm 70 in the width direction, and the second clamping and transferring mechanisms 60 are positioned at the outer sides of the first clamping and transferring mechanisms 50.

Each of the first grip transfer mechanisms 50 includes: a first clamping jaw assembly 51, a first X-axis moving assembly 52 and a first Y-axis moving assembly 53, wherein the first clamping jaw assembly 51 is arranged on the first Y-axis moving assembly 53, and the first Y-axis moving assembly 53 is arranged on the first X-axis moving assembly 52. The first X-axis moving assembly 52 may output a reciprocating motion in the X-axis direction (as shown in fig. 9), and the first Y-axis moving assembly 53 may output a reciprocating motion in the Y-axis direction (as shown in fig. 4). The first X-axis moving assembly 52 is used for driving the first Y-axis moving assembly 53 to move from the initial position to the combining position, the first Y-axis moving assembly 53 is used for driving the first clamping jaw assembly 51 to move towards the width-direction side edge of the diaphragm 70, or reset, and the first clamping jaw assembly 51 is used for clamping the width-direction side edge of the previous combining unit C, or releasing the previous combining unit C. After the first jaw assembly 51 clamps the previous combining unit C, the first X-axis moving assembly 52 is further used for driving the first Y-axis moving assembly 53 to move from the combining position to above the lamination table 20 at the lamination position, or to reset.

Specifically, the first clamping jaw assembly 51 adopts a telescopic driving cylinder to drive two clamping jaws to extend out for clamping, and drive two clamping jaws to retract for releasing to clamp or release the previous combined unit C. The first X-axis moving assembly 52 is moved from the initial position to the combination position in the X-axis direction as shown in fig. 9, and thus the first jaw assembly 51 is moved to the combination position therewith. In the combination position, the first Y-axis moving assembly 53 drives the first clamping jaw assembly 51 to move toward the side of the previous combination unit C, so that the side of the previous combination unit C is located in the two clamping jaws of the first clamping jaw assembly 51, and the telescopic driving cylinder of the first clamping jaw assembly 51 drives the two clamping jaws to extend out to clamp the side of the previous combination unit C. Thereafter, as shown in fig. 10, the first X-axis moving assembly 52 drives the first Y-axis moving assembly 53 to move from the combining position to the lamination position, i.e., to above the lamination table 20. At the lamination station, the telescopic drive cylinder of the first jaw assembly 51 drives the two jaws to retract to release the previous combining unit C so that the previous combining unit C is stacked on the lamination station 20. The process of retracting the two jaws of the first jaw assembly 51 is the resetting of the first jaw assembly 51, and thereafter, the first X-axis moving assembly 52 drives the first Y-axis moving assembly 53 to move in the X-axis direction from the lamination displacement to the initial position resetting, in preparation for the transfer of the next preceding combined unit C.

In the above embodiment, the membrane unwinding mechanism 20 synchronously unwinds the membrane 70 during the transfer of the previous combining unit C to the lamination station 20, and the coupling membrane 70' moves to the side of the lamination station 20 by the driving of the previous combining unit C as shown in fig. 10.

Each of the second grip transfer mechanisms 60 includes: a second jaw assembly 61, a second X-axis moving assembly 62, and a second Y-axis moving assembly 63, the second X-axis moving assembly 62 for outputting a reciprocating motion in the X-axis direction, the second Y-axis moving assembly 63 for outputting a reciprocating motion in the Y-axis direction. The second jaw assembly 61 is mounted on a second Y-axis moving assembly 63, and the second Y-axis moving assembly 63 is mounted on a second X-axis moving assembly 62. The second X-axis moving assembly 62 is used to drive the second Y-axis moving assembly 63 to move to the position of the next combined unit C ', the second Y-axis moving assembly 63 is used to drive the second jaw assembly 61 to move towards the side edge of the diaphragm 70 in the width direction, or reset, and the second jaw assembly 61 is used to clamp the side edge of the next combined unit C ' in the width direction, or release the next combined unit C '. The second X-axis moving assembly 62 is also used to drive the second Y-axis moving assembly 63 to move above the lamination table 20, or to reset, after the second jaw assembly 61 grips the rear combining unit C'.

Specifically, the second clamping jaw assembly 61 also adopts a telescopic driving cylinder to drive the two clamping jaws to extend out so as to clamp, drive the two clamping jaws to retract so as to clamp or release the rear combined unit C'. The second X-axis moving assembly 62 is moved from the initial position to the combination position in the X-axis direction as shown in fig. 9, and the second jaw assembly 61 is then moved to the combination position. In the combination position, the second Y-axis moving assembly 63 drives the second jaw assembly 61 to move toward the side of the next combination unit C ', so that the side of the next combination unit C ' is located in the two jaws of the second jaw assembly 61, and the telescopic driving cylinder of the second jaw assembly 61 drives the two jaws to extend out to clamp the side of the next combination unit C '. Then, as shown in fig. 10, the second X-axis moving assembly 62 drives the second Y-axis moving assembly 63 to move above the lamination table 20, that is, the second X-axis moving assembly 62 drives the second Y-axis moving assembly 63 to move from the combining position to the lamination position along the X-axis direction, where the lamination position is the position of the lamination table 20. In the laminating position, the telescopic driving cylinder of the second jaw assembly 61 drives the two jaws to retract to release the rear combined unit C 'so that the rear combined unit C' is stacked on the front combined unit C. The process of retracting the two jaws of the second jaw assembly 61 is the resetting of the second jaw assembly 61, and thereafter, the second X-axis moving assembly 62 drives the second Y-axis moving assembly 63 to move in the X-axis direction from the lamination displacement to the initial position resetting, in preparation for the next transfer of the following combining unit C'.

In the above embodiment, the membrane unwinding mechanism 20 also synchronously unwinds the membrane 70 during the process of transferring the subsequent combination unit C 'to the previous combination unit C, and the connection part membrane 70' is laminated between the previous combination unit C and the subsequent combination unit C 'by the driving of the subsequent combination unit C'.

In the subsequent process, the first grip transfer mechanism 50 transfers the next preceding assembled unit C to the succeeding assembled unit C ', the second grip transfer mechanism 60 transfers the next succeeding assembled unit C' to the next preceding assembled unit C, and the next connecting portion diaphragm 70 'is also laminated between the next preceding assembled unit C and the next succeeding assembled unit C'. And repeating the steps until the laminated battery cell is stacked to the set number of layers, and finishing the manufacture of the laminated battery cell.

In the stacking process, the upper and lower positions of the first pole piece and the second pole piece in each combined unit relative to the diaphragm are moderately kept unchanged.

It should be noted that, as shown in fig. 9, fig. 9 shows an initial state of the stacking apparatus 100 in which the first previous combined unit C is stacked, in which the front end of the diaphragm 70 is unwound from the lamination stage 20, and a pole piece 103 is further stacked on the upper surface of the diaphragm 70 unwound from the lamination stage 20, and the polarity of the pole piece 103 is opposite to that of the second pole piece.

In this embodiment, to avoid the second jaw assembly 61 from blocking the first jaw assembly 51 from returning to the initial position from the lamination station during the resetting of the first X-axis moving assembly 52, each of the first clamp transfer mechanisms 50 provided herein further includes: a first Z-axis moving assembly 54, wherein the first Z-axis moving assembly 54 is disposed on the first Y-axis moving assembly 53, and the first clamping jaw assembly 51 is disposed on the first Z-axis moving assembly 54. The first Z-axis moving assembly 54 can output reciprocating movement along the Z-axis direction, and specifically, the first Z-axis moving assembly 54 is used for driving the first jaw assembly 51 to move downwards during the resetting process that the first X-axis moving assembly 52 drives the first Y-axis moving assembly 53 to move from the lamination position to the initial position along the X-axis direction, so that the first jaw assembly 51 avoids the second jaw assembly 61. When in the initial position, the first Z-axis moving assembly 54 drives the first jaw assembly 51 to move upward for resetting.

In another embodiment, the second jaw assembly 62 may be driven upward to avoid the first jaw assembly 51. Specifically, each of the second clamping and transferring mechanisms 61 provided by the present application further includes: a second Z-axis moving assembly 64, wherein the second Z-axis moving assembly 64 is disposed on the second Y-axis moving assembly 62, and the aforementioned second jaw assembly 61 is disposed on the second Z-axis moving assembly 64. The second Z-axis moving assembly 64 can output reciprocating movement along the Z-axis direction, and specifically, the second Z-axis moving assembly 64 is used for driving the second jaw assembly 61 to move upwards during the resetting process that the second X-axis moving assembly 62 drives the second Y-axis moving assembly 63 to move from the lamination position to the initial position along the X-axis direction, so that the second jaw assembly 61 avoids the first jaw assembly 51. When in the initial position, the second Z-axis moving assembly 64 drives the second jaw assembly 61 to move downward again.

In yet another embodiment, the first jaw assembly 51 may be moved downwardly while the second jaw assembly 61 is moved upwardly.

Of course, in other embodiments, the first jaw assembly 51 is always at a lower elevation than the second jaw assembly 61, thus eliminating the need for a Z-axis moving assembly.

Referring to fig. 6, the first pick-and-place robot 30 includes: the first picking and placing mechanical hand body 31 is a four-shaft picking and placing mechanical hand, and the first picking and placing mechanical hand body 31 is used for reciprocating between a first picking position and a combination position. The first lifting driving mechanism 33 is disposed on the first pick-and-place manipulator body 31, the two first vacuum chucks 32 correspond to the two first lifting driving mechanisms 33 one by one, and the two first vacuum chucks 32 are disposed on the first lifting driving mechanisms 33 respectively. The first vacuum chuck 32 is used for adsorbing the first pole piece at the first material taking position, or releasing the first pole piece at the combination position. The first lifting driving mechanism 33 is used for driving the first vacuum chuck 32 to descend at the first material taking position to adsorb the first pole piece and ascend to be separated from the first material taking position, or the first lifting driving mechanism 33 is used for driving the first vacuum chuck 32 to descend at the combination position to release the first pole piece and ascend to be separated from the combination position. When the first jaw assembly 51 grips the previous combined unit, the first vacuum chuck 32 releases the first pole piece.

The lamination device 100 provided herein further includes: and the first CCD camera is used for photographing the first pole piece adsorbed on the first vacuum chuck 32 at the first material taking position and judging the position of the first pole piece relative to the combination position in an image processing mode. If the position of the first pole piece at the combination position deviates from the combination position, the first pick-and-place robot body 31 adjusts the position of the first pole piece in the X, Y, R direction so that the first pole piece faces the combination position and faces the diaphragm at the combination position.

Referring to fig. 7, the second pick-and-place robot 40 includes: the second pick-and-place manipulator body 41, the two second vacuum chucks 42, and the two second lifting/lowering driving mechanisms 43 are also the same, the second pick-and-place manipulator body 41 is also a four-axis pick-and-place manipulator, and the second pick-and-place manipulator body 41 is used for reciprocating between a second pick-and-place position and a combination position. The second lifting driving mechanism 43 is disposed on the first pick-and-place manipulator body 41, the two second vacuum chucks 42 are also in one-to-one correspondence with the two second lifting driving mechanisms 43, the two second vacuum chucks 42 are disposed on the second lifting driving mechanism 43 respectively, and the second vacuum chucks 42 are configured to adsorb a second pole piece at the second pick-up position, or release the second pole piece at the combining position. The second lifting driving mechanism 43 is used for driving the first vacuum chuck 42 to descend at the second material taking position to adsorb the first pole piece, or to ascend to separate from the second material taking position, or the second lifting driving mechanism 43 is used for driving the second vacuum chuck 42 to ascend at the combined position to release the second pole piece, and to descend to separate from the combined position. When the second jaw assembly 61 grips the rear assembled unit, the second vacuum chuck 42 releases the second pole piece.

The lamination device 100 provided herein further includes: and the second CCD camera is used for photographing the second pole piece adsorbed on the second vacuum chuck 42 at the second material taking position and judging the position of the first pole piece relative to the combination position in an image processing mode. If the position of the second pole piece at the combination position deviates from the combination position, the second pick-and-place robot body 41 adjusts the position of the second pole piece in the direction X, Y, R so that the second pole piece is aligned with the combination position and with the diaphragm at the combination position.

Referring to fig. 8, the lamination table 20 is further provided with a diaphragm pressing assembly 21, the diaphragm pressing assembly 21 is specifically provided on a side edge of the lamination table 20 in the feeding direction, and specifically, the diaphragm pressing assembly 21 is provided with two diaphragm pressing assemblies, two diaphragm pressing assemblies are respectively located at two ends of the side edge of the lamination table 20 in the feeding direction, so that two sides of the diaphragm 70 unreeled onto the lamination table 20 in the initial state in the width direction can be pressed.

A lamination table lifting driving assembly 22 is further disposed below the lamination table 20, and the lamination table lifting driving assembly 22 may be a cylinder, a cylinder or a motor, and is used for driving the lamination table 20 to ascend or descend so as to maintain the same height of the lamination table 20 at all times.

In other embodiments, the lamination table elevation drive assembly 22 may also allow the membrane pressing assembly 21 to avoid the first jaw assembly 51 of the first clamp transfer mechanism 50 moving above the lamination table 20 and avoid the second jaw assembly of the second clamp transfer mechanism 60 moving above the lamination table 20, or the lamination table elevation drive assembly 22 may be used to drive the lamination table elevation 20 to reset after the jaw assemblies of both clamp transfer mechanisms are reset.

It should be noted that the lamination table lifting drive assembly 22 in this embodiment can keep the lamination table 20 at the same height at all times.

Above the lamination table 20, a pressing mechanism 23 for pressing the combined units is also provided, that is, when one combined unit is stacked on the lamination table 20, it is pressed by the pressing mechanism 23.

Specifically, the pressing mechanism 23 includes: a pressing plate 231 and a pressing plate lifting driving mechanism 232, wherein the pressing plate 231 is positioned above the lamination table 20, the pressing plate 231 is arranged on the pressing plate lifting driving mechanism 232, the pressing plate lifting driving mechanism 232 is used for driving the pressing plate 231 to move towards the lamination table 20 so as to press the combined unit, and the pressing plate 231 is driven to move away from the lamination table 20 so as to release the combined unit. Of course, after the pressing plate 231 is moved in a direction away from the lamination stage 20, the jaw assembly of the grip transfer mechanism can be avoided.

In this embodiment, two first pick-and-place manipulators 30 may be provided, after one of the first pick-and-place manipulators 30 transfers two first pole pieces to the upper surface of the diaphragm 70, and after the front combination unit and the rear combination unit are both stacked on the lamination table 20, the other first pick-and-place manipulator 30 transfers two first pole pieces to the upper surface of the diaphragm 20, so that the first pole pieces can be continuously transferred, and the production efficiency is improved.

Similarly, two second pick-and-place manipulators 40 may be provided, and after one of the second pick-and-place manipulators 40 transfers two second diodes to the lower surface of the diaphragm 70, and after the front combination unit and the rear combination unit are stacked on the lamination table 20, the other second pick-and-place manipulator 40 transfers two second diodes to the lower surface of the diaphragm, so that the second diodes can be continuously transferred, and the production efficiency can be improved.

Example II,

The embodiment provides a cutting and stacking all-in-one machine 200, which includes the stacking device 100 described in the first embodiment, and reference may be made to the description in the first embodiment for the structure and function of the stacking device 100, which is not described herein again.

Referring to fig. 11 and 12, the cutting and folding all-in-one machine 200 provided in the present embodiment further includes: a first pole piece manufacturing mechanism 201, a second pole piece manufacturing mechanism 202, a first pole piece shunting mechanism 203, and a second pole piece shunting mechanism 204.

The first pole piece manufacturing mechanism 201 is used for manufacturing and outputting a first pole piece.

Specifically, the first pole piece manufacturing mechanism 201 includes: the device comprises a first unreeling assembly 2011 for unreeling a first pole piece coil, a first defect detection assembly 2012 for detecting defects (such as foil leakage, dark spots, bright spots and the like) of the first pole piece coil, a first traction assembly 2013 for drawing the first pole piece coil, a first cutting assembly 2014 for cutting the first pole piece coil at a fixed length to form a first pole piece, a first belt conveying assembly 2015 for conveying the first pole piece, a first size detection assembly 2016 for detecting the size of the first pole piece, and a first removing assembly 2017 for removing bad first pole pieces. Of course, the first rejecting assembly 2017 can reject the first pole piece with an unsatisfactory size and a defect.

And a second pole piece manufacturing mechanism 202 for manufacturing and outputting a second pole piece.

Specifically, the second pole piece manufacturing mechanism 202 includes: the second unwinding assembly 2021 is used for unwinding a second pole piece coil, the second defect detection assembly 2022 is used for detecting defects (such as foil leakage, dark spots, bright spots and the like) of the second pole piece coil, the second traction assembly 2023 is used for drawing the second pole piece coil, the second cutting assembly 2024 is used for cutting the second pole piece coil in a fixed length mode to form a second pole piece, the second belt conveying assembly 2025 is used for conveying the second pole piece, the second size detection assembly 2026 is used for detecting the size of the second pole piece, and the second removing assembly 2027 is used for removing bad second pole pieces. Of course, the second rejecting assembly 2017 can also reject the second pole piece with an unsatisfactory size and a defect.

The first pole piece shunting mechanism 203 is configured to convey the first pole piece manufactured by the first pole piece manufacturing mechanism 201 to an output end of the second pole piece manufacturing mechanism 202, that is, to convey the first pole piece to a first material taking position corresponding to one of the lamination devices. In other words, one of the lamination devices 100 is disposed at the output end of the first pole piece shunting mechanism 203 and the second pole piece manufacturing mechanism 202, so that the lamination device 100 can be provided with the first pole piece and the second pole piece.

The first pole piece shunting mechanism 203 and the second belt conveying assembly 2025 both adopt a belt conveying mode, after a first pole piece is shunted, the first picking and placing mechanical arm 30 corresponding to one of the lamination devices 100 directly adsorbs the first pole piece from the output end of the first pole piece shunting mechanism 203, and meanwhile, the second picking and placing mechanical arm 40 corresponding to one of the lamination devices 100 directly adsorbs a second pole piece from the second belt conveying assembly 2025.

The second pole piece shunting mechanism 204 is configured to convey the second pole piece manufactured by the second pole piece manufacturing mechanism 202 to an output end of the first pole piece manufacturing mechanism 201, that is, to convey the second pole piece to a second material taking position corresponding to another lamination device 100. In other words, another lamination device 100 is disposed at the output end of the second pole piece shunting mechanism 204 and the first pole piece manufacturing mechanism 202, so that the lamination device 100 can be provided with a first pole piece and a second pole piece.

The second pole piece shunting mechanism 204 and the first belt conveying assembly 2015 are also in a belt conveying manner, after the first pole piece is shunted, the first picking and placing manipulator 30 corresponding to the other lamination device 100 directly adsorbs the first pole piece from the output end of the first belt conveying assembly 2015, and meanwhile, the second picking and placing manipulator 40 corresponding to the other lamination device 100 directly adsorbs the second pole piece from the second pole piece shunting mechanism 204.

With continued reference to fig. 12, the present slit-and-fold machine further comprises, in cooperation with each lamination device 200: the tail winding mechanism 104 is used for winding one or more layers of diaphragms around a laminated battery cell formed on the lamination table, the rubberizing assembly 105 is used for rubberizing the periphery of the laminated battery cell wound with the diaphragms, and the hot pressing assembly 106 is used for hot pressing the rubberized laminated battery cell to form a finished battery cell.

In summary, in the lamination device and the cutting and stacking all-in-one machine provided in this embodiment, the first picking and placing mechanical arm sequentially transfers and positions the two first pole pieces to the upper surface of the diaphragm at the combining position each time, and the second picking and placing mechanical arm sequentially transfers and positions the two second pole pieces to the lower surface of the diaphragm at the combining position each time, so that two combining units are formed at the combining position, and then the two combining units are stacked on the lamination table in a Z-shaped lamination manner. The lamination device can save the time that each picking and placing mechanical arm moves back and forth between each picking and placing position and the combination position, and compared with the mode that only one pole piece is stacked at a time, the lamination device improves the lamination efficiency of the lamination battery cell and further improves the production efficiency of finished product battery cells.

The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.

Claims

1. A lamination assembly, comprising:

a lamination station disposed at the lamination station;

2. The lamination assembly according to claim 1,

the two first clamping and transferring mechanisms are respectively positioned on two sides of the diaphragm in the width direction; each of the first clamp transfer mechanisms includes: the first clamping jaw assembly, the first X-axis moving assembly and the first Y-axis moving assembly; the first clamping jaw assembly is mounted on the first Y-axis moving assembly, and the first Y-axis moving assembly is mounted on the first X-axis moving assembly; the first X-axis moving assembly is used for driving the first Y-axis moving assembly to move to the combination position; the first Y-axis moving assembly is used for driving the first clamping jaw assembly to move towards the side edge of the diaphragm in the width direction or reset; the first clamping jaw assembly is used for clamping the side edge of the combined unit in the width direction or releasing the combined unit; after the first clamping jaw assembly clamps the combined unit, the first X-axis moving assembly is further used for driving the first Y-axis moving assembly to move from the combined position to the position above the lamination table at the lamination position or reset;

3. The laminating apparatus according to claim 2, wherein two of said first grip transfer mechanisms are located near each of both widthwise sides of said separator, two of said second grip transfer mechanisms are located away from each of both widthwise sides of said separator, and said second grip transfer mechanisms are located outside said first grip transfer mechanisms;

and/or the presence of a gas in the gas,

4. The lamination assembly according to claim 1,

the first pick-and-place manipulator comprises: the first lifting driving mechanism is arranged on the first vacuum sucker; the two first lifting driving mechanisms are arranged on the first picking and placing manipulator body, the two first vacuum chucks correspond to the two first lifting driving mechanisms one by one, and the first vacuum chucks are arranged on the first lifting driving mechanisms; the first picking and placing manipulator body is used for reciprocating between a first picking position and a combination position, the first vacuum chuck is used for adsorbing the first pole piece at the first picking position, or the first pole piece is released at the combination position, the first lifting driving mechanism is used for driving the first vacuum chuck to descend at the first picking position so as to adsorb the first pole piece and ascend so as to be separated from the first picking position, or driving the first vacuum chuck to descend at the combination position so as to release the first pole piece and ascend so as to be separated from the combination position;

5. The lamination assembly according to claim 4,

the lamination device further includes: the first CCD camera is used for photographing a first pole piece adsorbed on the first vacuum chuck at the first material taking position, and the second CCD camera is used for photographing a second pole piece adsorbed on the second vacuum chuck at the second material taking position.

6. The lamination assembly according to claim 1,

the lamination table is also provided with a diaphragm pressing assembly, and the diaphragm pressing assembly is arranged on the side edge of the lamination table in the incoming material direction and used for pressing two sides of the diaphragm in the width direction.

7. The lamination assembly according to claim 6,

and a lamination table lifting driving assembly is further arranged below the lamination table and used for driving the lamination table to ascend or descend so as to keep the lamination table at the same height all the time.

8. The laminating apparatus according to claim 1, wherein a pressing mechanism for pressing the combined unit is further provided above the laminating table, the pressing mechanism comprising: the pressing plate is arranged above the lamination table and arranged on the pressing plate lifting driving mechanism, the pressing plate lifting driving mechanism is used for driving the pressing plate to move towards the lamination table so as to press the combined unit, and the pressing plate is driven to move away from the lamination table so as to release the combined unit.

9. The lamination device according to claim 1, wherein the width of the front assembly unit is equal to the width of the rear assembly unit and equal to the length of the diaphragm between the front assembly unit and the rear assembly unit.

10. A machine for cutting and folding comprising two lamination devices according to any one of claims 1 to 9, and further comprising: