Laminating equipment capable of laminating multiple sheets at one time

Abstract

The utility model discloses lamination equipment capable of laminating multiple pieces once, which comprises a rack, a positive plate die cutting device, a negative plate die cutting device, a lamination device, a diaphragm unwinding device and a diaphragm pulling device, wherein the positive plate die cutting device and the negative plate die cutting device are oppositely arranged front and back; the positive plate die cutting device comprises a positive plate unwinding mechanism, a positive plate V-angle punching mechanism, a positive plate cutting mechanism, a positive plate detection mechanism and a positive plate conveying line which are sequentially arranged at the top end of the rack from left to right; the negative pole piece die cutting device comprises a negative pole piece unwinding mechanism, a negative pole piece V-angle punching mechanism, a negative pole piece cutting mechanism, a negative pole piece detection mechanism and a negative pole piece conveying line which are sequentially arranged at the top end of the rack from left to right; the battery cell cutting machine further comprises a positive plate pre-positioning device, a negative plate pre-positioning device, a carrying device, a battery cell cutting device and a discharging manipulator. According to the utility model, the production efficiency is improved, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery production, specifically relates to a laminating equipment of once laminating multiple sheets. BACKGROUND

[0002] The existing laminating equipment in the process of producing lithium battery cell generally is, S1, first through the membrane pulling device of laminating equipment the membrane that through the membrane unwinding device of laminating equipment is unwound is laid on laminating table, S2, then through the membrane cutting device of laminating equipment the membrane is cut, S3, then through the negative sheet mechanical hand of laminating equipment one negative sheet on the negative sheet conveying line of laminating equipment is handled to the membrane of laminating table, S4, then through the membrane pulling device the membrane that through the membrane unwinding device is unwound is laid on the negative sheet, then through the membrane cutting device the membrane is cut, S5, then through the positive sheet mechanical hand of laminating equipment one positive sheet on the positive sheet conveying line is handled to the membrane above the negative sheet, S6, then through the membrane pulling device the membrane that through the membrane unwinding device is unwound is laid on the positive sheet, S7, repeat the process of S2-S6, so the cell can be obtained. This kind of laminating equipment can only produce one single cell at a time, reduces the production efficiency, increases the production cost. SUMMARY

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a laminating equipment of once laminating multiple sheets, improves the production efficiency and reduces the production cost.

[0004] The technical scheme adopted by the utility model to solve the technical problem is:

[0005] The application relates to a kind of one time stacks laminating equipment, including rack, positive sheet die cutting device, with the positive sheet die cutting device is front and rear opposite arrangement negative sheet die cutting device, laminating device, diaphragm unwinding device and pull diaphragm device, the positive sheet die cutting device includes from left to right sequentially arranged in the rack top end for the positive sheet material band is unwound positive sheet unwinding mechanism, for the two sides of positive sheet material band is V angle punching positive sheet V angle punching mechanism, for the positive sheet material band is cut into positive sheet positive sheet cutting mechanism, for the size detection and surface defect detection of positive sheet positive sheet detection mechanism, for conveying positive sheet positive sheet conveying line, the negative sheet die cutting device includes from left to right sequentially arranged in the rack top end for the negative sheet material band is unwound negative sheet unwinding mechanism, for the two sides of negative sheet material band is V angle punched negative sheet V angle punching mechanism, for the negative sheet material band is cut into negative sheet negative sheet cutting mechanism, for the size detection and surface defect detection of negative sheet negative sheet detection mechanism, for conveying negative sheet negative sheet conveying line, the laminating device includes laminating table, the diaphragm unwinding device is used for unwinding diaphragm, the pull diaphragm device is used for clamping and driving diaphragm to move backward, to lay diaphragm on the laminating table, to lay diaphragm on multiple negative sheets of laminating table and to lay diaphragm on multiple positive sheets of laminating table, the diaphragm unwinding device and pull diaphragm device are located in the front of laminating device and above laminating device, further include: positive sheet pre-positioning device, slidingly arranged in the top end of the rack, for the deviation positioning of multiple positive sheets, negative sheet pre-positioning device, slidingly arranged in the top end of the rack and with the positive sheet pre-positioning device is front and rear opposite arrangement, for the deviation positioning of multiple negative sheets, the laminating device is located between the positive sheet pre-positioning device and negative sheet pre-positioning device, handling device, arranged in the top end of the rack and between the positive sheet conveying line and negative sheet conveying line, for multiple positive sheets on the positive sheet conveying line is handled to the positive sheet pre-positioning device, for multiple negative sheets on the negative sheet conveying line is handled to the negative sheet pre-positioning device, for multiple positive sheets on the positive sheet pre-positioning device is handled to the diaphragm of laminating table and for multiple negative sheets on the negative sheet pre-positioning device is handled to the diaphragm of laminating table, the laminating device, positive sheet pre-positioning device, negative sheet pre-positioning device are located in the handling device, cell slitting device, arranged in the top end of the rack and right of laminating device and positive sheet pre-positioning device, for the whole cell is slitted into multiple single cells, blanking manipulator, arranged in the top end of the rack and between laminating device and cell slitting device, for the whole cell on the laminating table is handled to the cell slitting device.The lamination device further comprises a lamination translation linear module arranged at the top end of the rack, a lamination mounting plate arranged at the top end of the lamination translation linear module, and a first hot cutting mechanism arranged at the top end of the lamination mounting plate, wherein the lamination table is arranged at the top end of the lamination mounting plate, the first hot cutting mechanism is located in front of the lamination table, and the first hot cutting mechanism is used for cutting the diaphragm.

[0006] The utility model discloses beneficial effect is: the utility model discloses through setting up positive pole piece unwinding mechanism, positive pole piece V angle punching mechanism, positive pole piece cutting mechanism, positive pole piece detection mechanism, positive pole piece conveying line, negative pole piece unwinding mechanism, negative pole piece V angle punching mechanism, negative pole piece cutting mechanism, negative pole piece detection mechanism, negative pole piece conveying line, diaphragm unwinding device, draw diaphragm device, laminating device, positive pole piece preposition device, negative pole piece preposition device, handling device, electric core slitting device and unloading manipulator, can produce multiple single electric core once, improve production efficiency, reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0007] The utility model is further explained in connection with the drawings and examples.

[0008] Figure 1 It is a kind of laminating equipment's overhead schematic view of once stacking multiple sheets provided in an embodiment of the utility model;

[0009] Figure 2 It is Figure 1 The structure schematic view of positive pole piece V angle punching mechanism of laminating equipment shown in;

[0010] Figure 3 It is Figure 2 The structure schematic view of punching lift drive mechanism of positive pole piece V angle punching mechanism shown in;

[0011] Figure 4 It is Figure 1 The structure schematic view of laminating device of laminating equipment shown in;

[0012] Figure 5 It is Figure 4 The explosion schematic view of laminating device shown in;

[0013] Figure 6 It is Figure 4 The structure schematic view of laminating table of laminating device shown in after laminating base is removed;

[0014] Figure 7 It is Figure 4 The structure schematic view of laminating table, first hot cutting mechanism and second hot cutting mechanism of laminating device shown in;

[0015] Figure 8 It is Figure 1Structure diagram of positive sheet pre-positioning device of the shown sheet stacking equipment;

[0016] Figure 9 is Figure 1 Structure diagram of carrying device of the shown sheet stacking equipment;

[0017] Figure 10 is Figure 9 Structure diagram of negative sheet outer suction disc manipulator of the shown carrying device;

[0018] Figure 11 is Figure 9 Structure diagram of negative sheet inner suction disc manipulator of the shown carrying device;

[0019] Figure 12 is Figure 1 Structure diagram of battery cell slitting device of the shown sheet stacking equipment;

[0020] Figure 13 is Figure 12 Structure diagram of slitting clamp of the shown battery cell slitting device;

[0021] Figure 14 is Figure 12 Structure diagram of slitting mechanism of the shown battery cell slitting device;

[0022] Figure 15 is Figure 14 Explosive diagram of the shown slitting mechanism;

[0023] Figure 16 is Figure 1 Structure diagram of discharging manipulator of the shown sheet stacking equipment;

[0024] Figure 17 is Figure 16 Structure diagram of the shown discharging manipulator after removing discharging base, discharging translation linear module and discharging lifting linear module. DETAILED DESCRIPTION

[0025] The concept, specific structure and generated technical effects of the present application will be described clearly and completely in combination with the embodiments and drawings, so as to fully understand the purpose, features and effects of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application. In addition, all the coupling / connection relations involved in the patent do not mean that the components are directly connected, but means that a better coupling structure can be formed by adding or reducing coupling auxiliary components according to the specific implementation situation. The various technical features in the present application can be combined interactively without mutual contradiction and conflict.

[0026] Referring to Figure 1 The utility model provides an equipment of one time folding of folding piece, including frame, positive sheet die cutting device 10, with positive sheet die cutting device 10 is opposite and is set up negative sheet die cutting device 20, folding device 30, diaphragm unwinding device 40, draw diaphragm device 50, positive sheet preposition device 60a, negative sheet preposition device 60b, handling device 70, electric core slitting device 80 and unloading manipulator 90.

[0027] The positive electrode sheet die-cutting device 10 comprises, from left to right, a positive electrode sheet unwinding mechanism 11 for unwinding the positive electrode sheet material belt, a positive electrode sheet V-angle die-cutting mechanism 12 for V-angle die-cutting the two sides of the positive electrode sheet material belt, a positive electrode sheet cutting mechanism 13 for cutting the positive electrode sheet material belt into positive electrode sheets, a positive electrode sheet detection mechanism 14 for size detection and surface defect detection of the positive electrode sheets, and a positive electrode sheet conveying line 15 for conveying the positive electrode sheets. The negative electrode sheet die-cutting device 20 comprises, from left to right, a negative electrode sheet unwinding mechanism 21 for unwinding the negative electrode sheet material belt, a negative electrode sheet V-angle die-cutting mechanism 22 for V-angle die-cutting the two sides of the negative electrode sheet material belt, a negative electrode sheet cutting mechanism 23 for cutting the negative electrode sheet material belt into negative electrode sheets, a negative electrode sheet detection mechanism 24 for size detection and surface defect detection of the negative electrode sheets, and a negative electrode sheet conveying line 25 for conveying the negative electrode sheets. The laminating device 30 comprises a laminating translation linear module (not shown in the figure) arranged at the top end of the frame, a laminating mounting plate (not shown in the figure) arranged at the top end of the laminating translation linear module, and a laminating table 31 arranged at the top end of the laminating mounting plate. The laminating translation linear module is used to drive the laminating mounting plate to move left and right, thereby driving the laminating table 31 to move left and right. The separator unwinding device 40 is used to unwind the separator. The separator pulling device 50 is used to clamp and move the separator backward, so as to lay the separator on the laminating table 31, lay the separator on the multiple negative electrode sheets on the laminating table 31, and lay the separator on the multiple positive electrode sheets on the laminating table 31. The positive electrode sheet pre-positioning device 60a is slidably arranged at the top end of the frame and is arranged opposite to the negative electrode sheet pre-positioning device 60b. The positive electrode sheet pre-positioning device 60a is used to position the multiple positive electrode sheets. The negative electrode sheet pre-positioning device 60b is slidably arranged at the top end of the frame and is arranged opposite to the positive electrode sheet pre-positioning device 60a. The negative electrode sheet pre-positioning device 60b is used to position the multiple negative electrode sheets. The laminating device 30 is located between the positive electrode sheet pre-positioning device 60a and the negative electrode sheet pre-positioning device 60b. The carrying device 70 is arranged at the top end of the frame and is located between the positive electrode sheet conveying line 15 and the negative electrode sheet conveying line 25. The carrying device 70 is used to carry the multiple positive electrode sheets on the positive electrode sheet conveying line 15 to the positive electrode sheet pre-positioning device 60a, carry the multiple negative electrode sheets on the negative electrode sheet conveying line 25 to the negative electrode sheet pre-positioning device 60b, carry the multiple positive electrode sheets on the positive electrode sheet pre-positioning device 60a to the separator on the laminating table 31, and carry the multiple negative electrode sheets on the negative electrode sheet pre-positioning device 60b to the separator on the laminating table 31. The laminating device 30, the positive electrode sheet pre-positioning device 60a, and the negative electrode sheet pre-positioning device 60b are all located in the carrying device 70. The separator unwinding device 40 is arranged at the top end of the carrying device 70, and the separator pulling device 50 is arranged in the carrying device 70. The carrying device 70 is used to drive the separator pulling device 50 to move forward and backward. The separator unwinding device 40 and the separator pulling device 50 are both located in front of the laminating device 30 and above the laminating device 30.The cell slitting device 80 is arranged at the top end of the rack and located right of the laminated sheet device 30 and the positive sheet pre-positioning device 60a, and is used to slit the whole cell into multiple single cells. The unloading manipulator 90 is arranged at the top end of the rack and located between the laminated sheet device 30 and the cell slitting device 80, and is used to carry the whole cell on the laminated sheet table 31 to the cell slitting device 80.

[0028] The positive sheet unwinding mechanism 11, the positive sheet cutting mechanism 13, the positive sheet detection mechanism 14, the positive sheet conveying line 15, the negative sheet unwinding mechanism 21, the negative sheet cutting mechanism 23, the negative sheet detection mechanism 24, the negative sheet conveying line 25, the diaphragm unwinding device 40 and the diaphragm pulling device 50 are all existing structures, and will not be described here.

[0029] In combination Figure 2 and Figure 3As shown, the positive plate V-angle cutting mechanism 12 and the negative plate V-angle cutting mechanism 22 each include a cutting mounting frame 121 arranged at the top end of the frame, a cutting die located in the cutting mounting frame 121, and a cutting lifting driving mechanism. The cutting die includes a cutting upper die plate 122 and a cutting lower die plate 123 arranged oppositely. The cutting lower die plate 123 is arranged at the bottom of the cutting mounting frame 121, and the four corners of the cutting lower die plate 123 are connected with the four corners of the cutting upper die plate 122 by four extension rods 1221 respectively. The front side and the rear side of the bottom end of the cutting upper die plate 122 are respectively provided with two V-shaped cutters, and the top end of the cutting lower die plate 123 is provided with two V-shaped grooves corresponding to the two V-shaped cutters respectively, and the two V-shaped cutters are used to cooperate with the two V-shaped grooves respectively. The cutting lifting driving mechanism includes a cutting motor 1241, a cutting speed reducer 1242, a cutting synchronous belt assembly, a cutting rotating shaft 127, and a cutting connecting rod 129. The top end of the cutting mounting frame 121 is provided with a cutting mounting seat 126, the cutting motor 1241 is arranged on the cutting speed reducer 1242, the output end of the cutting motor 1241 is connected with the input end of the cutting speed reducer 1242, the cutting speed reducer 1242 is located at the rear of the cutting mounting seat 126 and is arranged at one end of the cutting mounting seat 126, and the cutting synchronous belt assembly is located at the right of the cutting mounting seat 126. The cutting mounting seat 126 is provided with through holes penetrating through both sides thereof, one end of the cutting rotating shaft 127 is connected with the output end of the cutting speed reducer 1242 through the cutting synchronous belt assembly, the other end of the cutting rotating shaft 127 is rotatably arranged in the through hole of the cutting mounting frame 126 through a cutting bearing and is connected with a roller bearing follower 128, the roller bearing follower 128 is located at the left of the cutting mounting seat 126, the center of the roller bearing follower 128 is located at one side of the axis of the cutting rotating shaft 127, i.e. the roller bearing follower 128 is arranged eccentrically relative to the cutting rotating shaft 127. The roller bearing follower 128 cooperates with the rectangular hole 12621 of the cutting connecting plate 1262. The cutting mounting seat 126 is slidably provided with a cutting mounting plate 1261 located at the left of the cutting mounting seat 126, the cutting connecting plate 1262 is arranged at the side of the cutting mounting plate 1261 close to the cutting mounting seat 126, one end of the cutting connecting rod 129 is arranged at the bottom end of the cutting mounting plate 1261, and the other end of the cutting connecting rod 129 passes through the through hole 1211 at the top end of the cutting mounting frame 121 and is connected with the top end of the cutting upper die plate 122 through a cutting block 1291.

[0030] The punching synchronous belt assembly comprises a punching driving wheel 1251, a punching driven wheel 1252 and a punching synchronous belt 1253 sleeved on the outer periphery of the punching driving wheel 1251 and the punching driven wheel 1252, the punching driving wheel 1251 is sleeved on the outer periphery of the output end of the punching speed reducer 1242, and the punching driven wheel 1252 is sleeved on the outer periphery of one end of the punching rotating shaft 127. The punching motor 1241 is used to drive the punching driving wheel 1251 to rotate through the punching speed reducer 1242, and under the action of the punching driven wheel 1252 and the punching synchronous belt 1253, the punching rotating shaft 127 can be driven to rotate, and then the roller bearing follower 128 can be driven to rotate, the rotation of the roller bearing follower 128 can drive the punching connecting plate 1262 and the punching mounting plate 1261 to move up and down relative to the punching mounting seat 126, so that the punching connecting rod 129 can be driven to move up and down, and then the punching upper die plate 122 and the two V-shaped cutters can be driven to move up and down.

[0031] In actual application, the positive electrode sheet material belt can be unwound through the positive electrode sheet unwinding mechanism 11, and the unwound positive electrode sheet material belt can pass between the punching upper die plate 122 and the punching lower die plate 123 of the positive electrode sheet V-angle punching mechanism 12. The punching motor 1241 of the positive electrode sheet V-angle punching mechanism 12 drives the punching upper die plate 122 and the two V-shaped cutters to move downward every certain period of time, so that the two V-shaped cutters can punch V-angles on the two sides of the positive electrode sheet material belt respectively. Then the positive electrode sheet material belt enters the positive electrode sheet cutting mechanism 13, which can cut the positive electrode sheet material belt into positive electrode sheets. The positive electrode sheets enter the positive electrode sheet detection mechanism 14, which can detect the size and surface defects of the positive electrode sheets. The unqualified positive electrode sheets are removed to the positive electrode sheet NG material box through the positive electrode sheet detection mechanism 14, and the qualified positive electrode sheets are conveyed to the positive electrode sheet conveying line 15 through the positive electrode sheet detection mechanism 14, and then the positive electrode sheets are conveyed through the positive electrode sheet conveying line 15. At the same time, the negative electrode sheet material belt is unwound through the negative electrode sheet unwinding mechanism 21, and the unwound negative electrode sheet material belt can pass between the punching upper die plate 122 and the punching lower die plate 123 of the negative electrode sheet V-angle punching mechanism 22. The punching motor 1241 of the negative electrode sheet V-angle punching mechanism 22 drives the punching upper die plate 122 and the two V-shaped cutters to move downward every certain period of time, so that the two V-shaped cutters can punch V-angles on the two sides of the negative electrode sheet material belt respectively. Then the negative electrode sheet material belt enters the negative electrode sheet cutting mechanism 23, which can cut the negative electrode sheet material belt into negative electrode sheets. The negative electrode sheets enter the negative electrode sheet detection mechanism 24, which can detect the size and surface defects of the negative electrode sheets. The unqualified negative electrode sheets are removed to the negative electrode sheet NG material box through the negative electrode sheet detection mechanism 24, and the qualified negative electrode sheets are conveyed to the negative electrode sheet conveying line 25 through the negative electrode sheet detection mechanism 24, and then the negative electrode sheets are conveyed through the negative electrode sheet conveying line 25.

[0032] In combination Figures 4 to 7 As shown in the drawings, the lamination table 31 comprises a lamination base 311 arranged at the top end of the lamination mounting plate, two lamination supporting plates 312 arranged side by side in front and back, a lamination bottom plate 313, and two filling assemblies. The two lamination supporting plates 312 are connected to each other. The bottom end of the lamination supporting plate 312 is provided with two lamination supporting plates 314 arranged in front and back at intervals, both of which are arranged at the top end of the lamination bottom plate 313. The bottom end of the lamination bottom plate 313 is provided with two lamination connecting plates 315 connected to the lamination connecting columns at the top end of the lamination base 311. The lamination supporting plate 312 is provided with a plurality of through holes penetrating through the top end and the bottom end thereof, and the plurality of through holes are arranged in sequence at intervals from left to right, and the plurality of through holes are respectively corresponding to the plurality of lower clamping jaws 982 of the blanking manipulator 90.

[0033] The two filling assemblies are respectively corresponding to the two lamination supporting plates 312. The filling assembly comprises a plurality of filling blocks 316, a filling mounting plate 317, and two filling cylinders 318. The plurality of filling blocks 316 are one-to-one corresponding to the plurality of through holes of the corresponding lamination supporting plate 312, and the filling block 317 is matched with the corresponding through hole. In the process of lamination, the filling block 317 and the corresponding through hole are matched, so that the diaphragm, the negative electrode sheet and the positive electrode sheet can be supported by the filling block 317 and the lamination supporting plate 312, and the stability is good. The top end of the lamination supporting plate 314 is provided with a plurality of avoiding grooves 3141 corresponding to the plurality of through holes respectively, and the plurality of avoiding grooves 3141 are respectively communicated with the corresponding through holes, and the avoiding groove 3141 plays an avoiding role for the downward movement of the corresponding filling block 317. The filling mounting plate 317 is located between the two lamination supporting plates 314 of the corresponding lamination supporting plate 312 and between the lamination bottom plate 313 and the corresponding lamination supporting plate 312, and the bottom end of the plurality of filling blocks 316 is respectively connected to the top end of the filling mounting plate 317. The two filling cylinders 318 are respectively arranged at the bottom end of the lamination bottom plate 313, the output end of the filling cylinder 318 penetrates through the through hole of the lamination bottom plate 313 and is connected to the bottom end of the filling mounting plate 317, and the two filling cylinders 318 are used to drive the filling mounting plate 317 to move up and down, so as to drive the plurality of filling blocks 316 to move up and down. Through the downward movement of the plurality of filling blocks 316, the plurality of filling blocks 316 can be separated from the corresponding through hole, and at this time the plurality of lower clamping jaws 982 of the blanking manipulator 90 can be respectively inserted into the plurality of through holes of the two lamination supporting plates 312.

[0034] The lamination device 30 further comprises two first pressing knife mechanisms 35 and two second pressing knife mechanisms 36 arranged at the top end of the lamination mounting plate. The left and right movement of the lamination mounting plate can drive the left and right movement of the two first pressing knife mechanisms 35 and the two second pressing knife mechanisms 36. The two first pressing knife mechanisms 35 are arranged in left and right opposition, and the two second pressing knife mechanisms 36 are arranged in left and right opposition. The left second pressing knife mechanism 36 corresponds to the left first pressing knife mechanism 35, and the right second pressing knife mechanism 36 corresponds to the right first pressing knife mechanism 35. The two second pressing knife mechanisms 36 are respectively used to press the two sides of the diaphragm on the lamination table 31, and the two first pressing knife mechanisms 35 are respectively used to press the end of the first negative plate away from the center of the lamination table 31, the end of the last negative plate away from the center of the lamination table 31, and the end of the first positive plate away from the center of the lamination table 31, and the end of the last positive plate away from the center of the lamination table 31.

[0035] The first pressing knife mechanism 35 comprises a first pressing knife seat 351 arranged at the top end of the lamination mounting plate, a first left and right movement assembly arranged on the first pressing knife seat 351, a first pressing knife base 352 slidingly arranged at the top end of the first pressing knife seat 351, a plurality of first pressing knife cylinders 353 arranged at the top end of the first pressing knife base 352, and a plurality of first pressing knives 358. In the embodiment, the first pressing knife cylinder 353 is four, and the number of the first pressing knife 358 corresponds to the number of the first pressing knife cylinder 353. The first pressing knife seat 351 is located below the lamination bottom plate 313, and the lamination base 311 is located between the first pressing knife seats 351 of the two first pressing knife mechanisms 35. The plurality of first pressing knife cylinders 353 are sequentially and spaced arranged at the top end of the first pressing knife base 352 from front to back, and the two lamination supporting plates 312 are located between the plurality of first pressing knife cylinders 353 of the two first pressing knife mechanisms 35. The plurality of first pressing knives 358 correspond to the plurality of first pressing knife cylinders 353 respectively and are arranged at the top end of the corresponding first pressing knife cylinder 353, and the first pressing knife 358 is located above the lamination table 31. The first left and right movement assembly adopts a structure of motor + screw nut + synchronous belt structure, and is used to drive the left and right movement of the first pressing knife base 352, the plurality of first pressing knife cylinders 353 and the plurality of first pressing knives 358. The first pressing knife cylinder 353 is used to drive the corresponding first pressing knife 358 to move up and down.

[0036] The second presser mechanism 36 comprises a second presser seat 361 arranged at the top end of the laminated mounting plate, a second left-right moving assembly arranged on the second presser seat 361, a second presser base 362, a plurality of second presser cylinders 363 and a plurality of second pressers 368. The number of the second presser cylinders 363 and the second pressers 368 corresponds to the number of the first presser cylinders 353, and is also four respectively. The first presser seat 351 of the first presser mechanism 35 is located between the second presser seat 361 of the corresponding second presser mechanism 36 and the laminated base 311. The plurality of second presser cylinders 363 are sequentially and spacedly arranged at the top end of the second presser base 362 from front to back, and each second presser cylinder 363 is located between the adjacent two first presser cylinders 353 of the corresponding first presser mechanism 35. The plurality of second pressers 368 correspond to the plurality of second presser cylinders 363 respectively and are arranged at the top end of the corresponding second presser cylinder 363 respectively, and each second presser 368 is located between the adjacent two first pressers 358 respectively. The structure of the second left-right moving assembly is the same as that of the first left-right moving assembly. The second left-right moving assembly is used to drive the second presser base 362, the plurality of second presser cylinders 363 and the plurality of second pressers 368 to move left and right, and the second presser cylinder 363 is used to drive the corresponding second presser 368 to move up and down.

[0037] The lamination device 30 further comprises a first hot cutting mechanism 38 and a second hot cutting mechanism 39 arranged at the top end of the lamination mounting plate. The left and right movement of the lamination mounting plate can drive the first hot cutting mechanism 38 and the second hot cutting mechanism 39 to move left and right. The first hot cutting mechanism 38 and the second hot cutting mechanism 39 are arranged in front of and behind each other, the first hot cutting mechanism 38 is located in front of the lamination table 31, and the second hot cutting mechanism 39 is located behind the lamination table 31. The first hot cutting mechanism 38 is used to cut the diaphragm and to edge the front side of the whole battery cell, and the second hot cutting mechanism 39 is used to edge the rear side of the whole battery cell. The first hot cutting mechanism 38 and the second hot cutting mechanism 39 each comprise two hot cutting bases 38a arranged left and right, two hot cutting mounting plates 381 arranged left and right, two hot cutting support plates 382 arranged left and right, two hot cutting lifting cylinders 383, a diaphragm hot cutting wire 384, and a hot cutting tension cylinder 387. The two hot cutting bases 38a are arranged at the top end of the lamination mounting plate. The two hot cutting mounting plates 381 are arranged at the top end of the two hot cutting bases 38a respectively, and the two hot cutting support plates 382 are slidingly arranged at the side of the two hot cutting mounting plates 381 close to the lamination table 31, and the two hot cutting support plates 382 partially protrude from the end of the two hot cutting mounting plates 381 close to the center of the lamination table 31. The two hot cutting lifting cylinders 383 are arranged at the side of the two hot cutting mounting plates 381 close to the lamination table 31, and the output ends of the two hot cutting lifting cylinders 383 are connected to the top end of the two hot cutting support plates 382 respectively, and the two hot cutting lifting cylinders 383 are used to drive the two hot cutting support plates 382 to move up and down. The diaphragm hot cutting wire 384 is located below the top end of the lamination table 31, one end of the diaphragm hot cutting wire 384 is provided with a first hot cutting block 385, and the other end of the diaphragm hot cutting wire 384 is provided with a second hot cutting block 386. The lamination table 31 is located between the first hot cutting block 385 and the second hot cutting block 386. The first hot cutting block 385 is arranged at the side of one of the hot cutting support plates 382 close to the lamination table 31 through a hot cutting adapter plate 3821, the second hot cutting block 386 is connected to the output end of the hot cutting tension cylinder 387, the hot cutting tension cylinder 387 is arranged at the side of the other hot cutting support plate 382 close to the lamination table 31, and the hot cutting tension cylinder 387 is used to drive the second hot cutting block 386 to move left and right. The up and down movement of the two hot cutting support plates 382 can drive the hot cutting adapter plate 3821, the first hot cutting block 385, the second hot cutting block 386, the hot cutting tension cylinder 387, and the diaphragm hot cutting wire 384 to move up and down. One end and the other end of the diaphragm hot cutting wire 384 are respectively used to be electrically connected with the control system, so that the diaphragm hot cutting wire 384 can be powered through the control system, the diaphragm hot cutting wire 384 generates heat after being powered, and the diaphragm hot cutting wire 384 is used to cut the diaphragm and to edge the edge of the diaphragm.The left and right movement of the second hot cutting block 386 can drive the other end of the diaphragm hot cutting wire 384 to move left and right, so that the diaphragm hot cutting wire 384 can be tensioned, and when the diaphragm is cut by the diaphragm hot cutting wire 384, the uneven cut can be avoided, and the quality of the overall battery is improved.

[0038] In the embodiment, the first hot cutting block 385 of the first hot cutting mechanism 38 is arranged on the side of the left hot cutting support plate 382 close to the laminated plate table 31 through the hot cutting adapter plate 3821, the hot cutting tensioning cylinder 387 of the first hot cutting mechanism 38 is arranged on the side of the right hot cutting support plate 382 close to the laminated plate table 31, the first hot cutting mounting block 385 of the second hot cutting mechanism 39 is arranged on the side of the right hot cutting support plate 382 close to the laminated plate table 31 through the hot cutting adapter plate 3821, and the hot cutting tensioning cylinder 387 of the second hot cutting mechanism 39 is arranged on the side of the left hot cutting support plate 382 close to the laminated plate table 31.

[0039] In actual application, S1, the diaphragm is first unwound by the diaphragm unwinding device 40, and the unwound diaphragm is clamped by the diaphragm pulling device 50, and then the diaphragm pulling device 50 is driven to move backward by the two multi-motor linear motors 72, so that the diaphragm can be moved backward by the diaphragm pulling device 50 to be laid on the two laminated plate supporting plates 312 and the plurality of filling blocks 316 of the laminated plate table 31, thereby forming the first layer of diaphragm of the overall battery. S2, then the second left and right moving assemblies of the two second knife pressing mechanisms 36 respectively drive the corresponding plurality of second knives 368 to move towards the laminated plate table 31, until the second knives 368 of the two second knife pressing mechanisms 36 are respectively located above the two sides of the first layer of diaphragm, and then the corresponding second knives 368 are driven downward by the second knife pressing cylinders 363, so that the two sides of the first layer of diaphragm can be pressed by the plurality of second knives 368 of the two second knife pressing mechanisms 36. S3, then the diaphragm hot cutting wire 384 is driven upward by the two hot cutting lifting cylinders 383 of the first hot cutting mechanism 38, so that the first layer of diaphragm can be cut by the diaphragm hot cutting wire 384, and then the diaphragm hot cutting wire 384 is driven downward to the initial position by the two hot cutting lifting cylinders 383, and then the first layer of diaphragm is released by the diaphragm pulling device 50 and the diaphragm pulling device 50 is driven forward to the initial position by the two multi-motor linear motors 72.

[0040] S4, then the plurality of negative electrode sheets, for example, four negative electrode sheets, on the negative electrode sheet pre-positioning device 60a are sucked by the carrying device 70 and placed on the first layer of separators of the stacking table 31, the plurality of negative electrode sheets are arranged in sequence from left to right with an interval, the first negative electrode sheet and the last negative electrode sheet are not covered on both sides of the first layer of separators. Then the first left and right moving assemblies of the two first pressing knife mechanisms 35 drive the corresponding plurality of first pressing knives 358 to move towards the stacking table 31 in sequence until the plurality of first pressing knives 358 of the two first pressing knife mechanisms 35 are respectively located above the end of the first negative electrode sheet away from the center of the stacking table 31 and above the end of the last negative electrode sheet away from the center of the stacking table 31, then the first pressing knife cylinders 353 drive the corresponding first pressing knives 358 to move downwards, so that the plurality of first pressing knives 358 of the two first pressing knife mechanisms 35 can respectively press the end of the first negative electrode sheet away from the center of the stacking table 31 and the end of the last negative electrode sheet away from the center of the stacking table 31. At the same time, the second pressing knife cylinders 363 of the two second pressing knife mechanisms 36 drive the corresponding second pressing knives 368 to move upwards respectively, so that the plurality of second pressing knives 368 of the two second pressing knife mechanisms 36 are separated from both sides of the first layer of separators, then the second left and right moving assemblies of the two second pressing knife mechanisms 36 drive the corresponding plurality of second pressing knives 368 to move away from the stacking table 31 respectively to the initial position, so that the plurality of second pressing knives 368 of the two second pressing knife mechanisms 36 are respectively removed from the first negative electrode sheet and the first layer of separators, and removed from the last negative electrode sheet and the first layer of separators.

[0041] S5, the unwound diaphragm is clamped by the pulling diaphragm device 50, and then the pulling diaphragm device 50 is driven to move backward by the two multi-motor linear motors 72, so that the diaphragm can be moved backward by the pulling diaphragm device 50 to lay on the plurality of negative plates on the laminating table 31, thereby forming the second layer of diaphragm of the overall battery. S6, then the two second pressure knife mechanisms 36 press the two sides of the second layer of diaphragm respectively, the action of this step is the same as that of step S2, at the same time, the first pressure knife cylinder 353 of the two first pressure knife mechanisms 35 respectively drives the corresponding first pressure knife 358 to move upward, so that the plurality of first pressure knives 358 of the two first pressure knife mechanisms 35 are respectively separated from the end of the first negative plate away from the center of the laminating table 31, the end of the last negative plate away from the center of the laminating table 31, and then the first left-right moving assembly of the two first pressure knife mechanisms 35 respectively drives the corresponding plurality of first pressure knives 358 to move away from the laminating table 31 to the initial position, so that the plurality of first pressure knives 358 of the two first pressure knife mechanisms 35 are respectively removed from the first negative plate and the second layer of diaphragm, and from the last negative plate and the second layer of diaphragm. S7, the action of this step is the same as that of step S3. S8, then the carrying device 70 sucks the plurality of positive plates on the positive plate positioning device 60b, for example, four positive plates, and places the plurality of positive plates on the second layer of diaphragm of the laminating table 31, the plurality of positive plates are arranged in sequence from left to right, and each positive plate corresponds to a negative plate. Then the two first pressure knife mechanisms 35 press the end of the first positive plate away from the center of the laminating table 31 and the end of the last positive plate away from the center of the laminating table 31 respectively, the action of this step is the same as that of step S4. S9, the unwound diaphragm is clamped by the pulling diaphragm device 50, and then the pulling diaphragm device 50 is driven to move backward by the two multi-motor linear motors 72, so that the diaphragm can be moved backward by the pulling diaphragm device 50 to lay on the plurality of positive plates on the laminating table 31, thereby forming the third layer of diaphragm of the overall battery. S10, then the two second pressure knife mechanisms 36 press the two sides of the third layer of diaphragm respectively, the action of this step is the same as that of step S2, at the same time, the first pressure knife cylinder 353 of the two first pressure knife mechanisms 35 respectively drives the corresponding first pressure knife 358 to move upward, so that the plurality of first pressure knives 358 of the two first pressure knife mechanisms 35 are respectively separated from the end of the first positive plate away from the center of the laminating table 31, the end of the last positive plate away from the center of the laminating table 31, and then the first left-right moving assembly of the two first pressure knife mechanisms 35 respectively drives the corresponding plurality of first pressure knives 358 to move away from the laminating table 31 to the initial position, so that the plurality of first pressure knives 358 of the two first pressure knife mechanisms 35 are respectively removed from the first negative plate and the second layer of diaphragm, and from the last negative plate and the second layer of diaphragm.S10, repeat the process of steps S4-S9 until the last layer of the separator is laid on the last layer of the plurality of positive electrode sheets, so as to obtain the whole battery cell. S11, the first hot cutting mechanism 38, the second hot cutting mechanism 39, and the two hot cutting lifting cylinders 383 of the first hot cutting mechanism 38 and the second hot cutting mechanism 39 drive the separator hot cutting wire 384 to move upwards. During the upward movement of the separator hot cutting wire 384 of the first hot cutting mechanism 38 and the second hot cutting mechanism 39, the separator hot cutting wire 384 of the first hot cutting mechanism 38 and the second hot cutting mechanism 39 can be used to hem the front side edge and the rear side edge of all the separators of the whole battery cell, so as to make the front side edge and the rear side edge of all the separators adhere together, so as to realize the edge sealing of the front side and the rear side of the whole battery cell. Then the two hot cutting lifting cylinders 383 of the first hot cutting mechanism 38 and the second hot cutting mechanism 39 drive the separator hot cutting wire 384 to move downwards to the initial position.

[0042] In combination Figure 8 As shown, the positive electrode sheet pre-positioning device 60a and the negative electrode sheet pre-positioning device 60b each include a plurality of pre-positioning bases 61, a plurality of alignment robots 62, and a plurality of positioning platforms 63. The plurality of pre-positioning bases 61 are arranged in sequence from left to right and are connected to each other. The plurality of pre-positioning bases 61 are each slidingly arranged at the top end of the rack. The plurality of alignment robots 62 correspond one-to-one to the plurality of pre-positioning bases 61 and are respectively arranged at the top end of the corresponding pre-positioning base 61. The plurality of positioning platforms 63 correspond one-to-one to the plurality of alignment robots 62 and are respectively arranged at the top end of the corresponding alignment robot 62. The alignment robot 62 is used to drive the corresponding positioning platform 63 to rotate. In this embodiment, the pre-positioning base 61 is four, and the number of alignment robots 62 and positioning platforms 63 corresponds to the number of pre-positioning bases 61, which are also four.

[0043] In combination Figures 9 to 11As shown, the carrying device 70 includes two carrying installation tables 71 arranged opposite to each other, a positive plate outer suction cup manipulator 73, a positive plate inner suction cup manipulator 74, a negative plate outer suction cup manipulator 75 and a negative plate inner suction cup manipulator 76. The carrying installation table 71 is arranged at the top end of the rack through a carrying base 711, and the number of the carrying base 711 can be arranged according to actual conditions. The side close to each other of the two carrying installation tables 71 is respectively provided with two multi-motor linear motors 72. The negative plate outer suction cup manipulator 75 and the positive plate outer suction cup manipulator 73 are arranged symmetrically in front and back and are respectively located above the negative plate conveying line 25 and the positive plate conveying line 15. The negative plate inner suction cup manipulator 76 and the positive plate inner suction cup manipulator 74 are arranged symmetrically in front and back and are located between the negative plate outer suction cup manipulator 75 and the positive plate outer suction cup manipulator 73. The two ends of the negative plate outer suction cup manipulator 75, the negative plate inner suction cup manipulator 76, the positive plate inner suction cup manipulator 74 and the positive plate outer suction cup manipulator 73 are respectively connected with the two multi-motor linear motors 72, and the two multi-motor linear motors 72 are used to drive the negative plate outer suction cup manipulator 75, the negative plate inner suction cup manipulator 76, the positive plate inner suction cup manipulator 74 and the positive plate outer suction cup manipulator 73 to move back and forth. The negative plate pre-positioning device 60b is located below the negative plate outer suction cup manipulator 75 and the negative plate inner suction cup manipulator 76, the positive plate pre-positioning device 60a is located below the positive plate inner suction cup manipulator 74 and the positive plate outer suction cup manipulator 73, and the laminating device 30 is located below the negative plate inner suction cup manipulator 76 and the positive plate inner suction cup manipulator 74. The separator unwinding device 40 is arranged at the top end of the two carrying installation tables 71 and is located above the negative plate outer suction cup manipulator 75 and the negative plate inner suction cup manipulator 76. The separator pulling device 50 is located between the negative plate inner suction cup manipulator 76 and the positive plate inner suction cup manipulator 74, and the two ends of the separator pulling device 50 are respectively connected with the two multi-motor linear motors 72, and the two multi-motor linear motors 72 are used to drive the separator pulling device 50 to move back and forth.

[0044] The negative electrode sheet outer suction disc mechanical hand 75 and the positive electrode sheet outer suction disc mechanical hand 73 each include two outer suction disc lifting linear modules 731, an outer suction disc translation linear module 732, and a plurality of outer suction disc assemblies arranged in sequence at intervals from left to right. The two outer suction disc lifting linear modules 731 are respectively connected with the two multi-mover linear motors 72. The two ends of the outer suction disc translation linear module 732 are respectively connected with the two outer suction disc lifting linear modules 731. The plurality of outer suction disc assemblies are arranged on the side of the outer suction disc translation linear module 732 away from the sheet device 30. The two multi-mover linear motors 72 are respectively used to drive the two outer suction disc lifting linear modules 731 to move back and forth, so as to drive the outer suction disc translation linear module 732 and the plurality of outer suction disc assemblies to move back and forth. The two outer suction disc lifting linear modules 731 are used to drive the outer suction disc translation linear module 732 to move up and down, so as to drive the plurality of outer suction disc assemblies to move up and down. The outer suction disc translation linear module 732 is used to drive the plurality of outer suction disc assemblies to move left and right. In the embodiment, the outer suction disc assembly is four. The outer suction disc assembly includes an outer suction disc base 733, an outer suction disc mounting seat 734, and a plurality of outer suction disc groups arranged in sequence from front to back. The number of outer suction disc groups can be set according to actual conditions. The outer suction disc base 733 is arranged on the side of the outer suction disc translation linear module 732 away from the sheet device 30. The outer suction disc mounting seat 734 is arranged at the bottom end of the outer suction disc base 733. The outer suction disc group includes an outer suction disc mounting plate 735 and outer suction discs 736 arranged in sequence at intervals left and right and penetrating through the outer suction disc mounting plate 735. The outer suction disc mounting plate 735 is arranged at the bottom end of the outer suction disc mounting seat 734. One end of the outer suction disc 736 is located below the outer suction disc mounting plate 735. The other end of the outer suction disc 736 is located above the outer suction disc mounting plate 735. The other end of the outer suction disc 736 of the plurality of outer suction disc groups of the negative electrode sheet outer suction disc mechanical hand 75 is used to be connected with the first vacuum pumping system. The other end of the outer suction disc 736 of the plurality of outer suction disc groups of the positive electrode sheet outer suction disc mechanical hand 73 is used to be connected with the second vacuum pumping system. The outer suction discs 736 of the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc mechanical hand 75 and the positive electrode sheet outer suction disc mechanical hand 73 are pumped by the first vacuum pumping system and the second vacuum pumping system, so that the plurality of, for example, four negative electrode sheets and the plurality of, for example, four positive electrode sheets can be respectively sucked by the outer suction discs 736 of the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc mechanical hand 75 and the positive electrode sheet outer suction disc mechanical hand 73. The outer suction discs 736 of the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc mechanical hand 75 and the positive electrode sheet outer suction disc mechanical hand 73 are stopped from being pumped by the first vacuum pumping system and the second vacuum pumping system, so that the plurality of, for example, four negative electrode sheets and the plurality of, for example, four positive electrode sheets can be respectively released by the outer suction discs 736 of the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc mechanical hand 75 and the positive electrode sheet outer suction disc mechanical hand 73.

[0045] The negative electrode sheet inner suction disc manipulator 74 and the positive electrode sheet inner suction disc manipulator 76 each include two inner suction disc lifting linear modules 741, an inner suction disc translation linear module 742, and a plurality of inner suction disc assemblies arranged in sequence and spaced apart from left to right. The two inner suction disc lifting linear modules 741 are respectively connected with the two multi-mover linear motors 72, the two ends of the inner suction disc translation linear module 742 are respectively connected with the two inner suction disc lifting linear modules 741, and the plurality of inner suction disc assemblies are arranged on the side of the inner suction disc translation linear module 742 away from the sheet device 30. The two multi-mover linear motors 72 are respectively used to drive the two inner suction disc lifting linear modules 741 to move back and forth, so as to drive the inner suction disc translation linear module 742 and the plurality of inner suction disc assemblies to move back and forth, the two inner suction disc lifting linear modules 741 are used to drive the inner suction disc translation linear module 742 to move up and down, so as to drive the plurality of inner suction disc assemblies to move up and down, and the inner suction disc translation linear module 742 is used to drive the plurality of inner suction disc assemblies to move left and right. In the present embodiment, the inner suction disc assembly is four. The inner suction disc assembly includes an inner suction disc base 743, an inner suction disc mounting seat 744, two inner suction disc cylinders 745 arranged in front and back, and an inner suction disc plate 746. The inner suction disc base 743 is arranged on the side of the inner suction disc translation linear module 742 away from the sheet device 30, and the inner suction disc mounting seat 744 is arranged at the bottom end of the inner suction disc base 743. The two inner suction disc cylinders 745 are respectively arranged at the two ends of the inner suction disc mounting seat 744, the inner suction disc plate 746 is located below the inner suction disc mounting seat 744, and the output ends of the two inner suction disc cylinders 745 are respectively connected with the top ends of the inner suction disc plate 746. The two inner suction disc cylinders 745 are used to drive the inner suction disc plate 746 to move up and down. The bottom end of the inner suction disc plate 746 is uniformly provided with a plurality of suction holes, the inside of the inner suction disc plate 746 is provided with an air channel, and the top end of the inner suction disc plate 746 is provided with a connector. The air channel is in communication with the plurality of suction holes and the connector, the connectors of the negative electrode sheet inner suction disc manipulator 76 and the positive electrode sheet inner suction disc manipulator 74 are respectively connected with the third vacuum pumping system and the fourth vacuum pumping system, the plurality of suction holes are respectively pumped by the third vacuum pumping system and the fourth vacuum pumping system through the corresponding connectors and air channels, so that the plurality of, for example, four negative electrode sheets and the plurality of, for example, four positive electrode sheets can be respectively sucked by the inner suction disc plates 746 of the plurality of inner suction disc assemblies of the negative electrode sheet inner suction disc manipulator 76 and the positive electrode sheet inner suction disc manipulator 74. The plurality of suction holes are stopped by the third vacuum pumping system and the fourth vacuum pumping system through the corresponding connectors and air channels, so that the plurality of, for example, four negative electrode sheets and the plurality of, for example, four positive electrode sheets can be released by the inner suction disc plates of the plurality of inner suction disc assemblies of the negative electrode sheet inner suction disc manipulator 76 and the positive electrode sheet inner suction disc manipulator 74.

[0046] In practical application, first, the two multi-motor linear motors 72 drive the negative electrode sheet outer suction disc manipulator 75 to move forward, so that the plurality of outer suction disc assemblies of the plurality of negative electrode sheet outer suction disc manipulators 75 are located above the negative electrode sheet conveying line 25. Then, the outer suction disc translation linear module 732 of the negative electrode sheet outer suction disc manipulator 75 drives the plurality of outer suction disc assemblies to move left and right, so as to adjust the left and right positions of the plurality of outer suction disc assemblies. Then, the two outer suction disc lifting linear modules 731 of the negative electrode sheet outer suction disc manipulator 75 drive the plurality of outer suction disc assemblies to move downward, so that the plurality of outer suction disc groups of the plurality of outer suction disc assemblies respectively suck the plurality of, for example, four negative electrode sheets on the negative electrode sheet conveying line 25. Then, the two outer suction disc lifting linear modules 731 of the negative electrode sheet outer suction disc manipulator 75 drive the plurality of outer suction disc assemblies to move upward to the initial position. Then, the two multi-motor linear motors 72 drive the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc manipulator 75 to move backward, so that the plurality of negative electrode sheets are respectively located above the plurality of positioning platforms 63 of the negative electrode sheet pre-positioning device 60b. Then, the two outer suction disc lifting linear modules 731 of the negative electrode sheet outer suction disc manipulator 75 drive the plurality of outer suction disc assemblies to move downward, so that the plurality of outer suction disc groups of the plurality of outer suction disc assemblies respectively place the plurality of negative electrode sheets on the plurality of positioning platforms 63 of the negative electrode sheet pre-positioning device 60b. Then, the two outer suction disc lifting linear modules 731 of the negative electrode sheet outer suction disc manipulator 75 drive the plurality of outer suction disc assemblies to move upward to the initial position, and then the two multi-motor linear motors 72 drive the plurality of outer suction disc assemblies of the negative electrode sheet outer suction disc manipulator 72 to move forward, so as to continue to suck the plurality of negative electrode sheets on the negative electrode sheet conveying line 25. After the plurality of negative electrode sheets are respectively placed on the plurality of positioning platforms 63 of the negative electrode sheet pre-positioning device 60b, the plurality of alignment robots 62 of the negative electrode sheet pre-positioning device 60b respectively drive the corresponding positioning platforms 63 to rotate, so as to realize the rectification positioning of the plurality of negative electrode sheets respectively, so as to ensure the accuracy of the positions of the plurality of negative electrode sheets. Then, the two multi-motor linear motors 72 drive the plurality of inner suction disc assemblies of the negative electrode sheet inner suction disc manipulator 76 to move forward, so that the plurality of inner suction disc assemblies are respectively located above the plurality of negative electrode sheets on the negative electrode sheet pre-positioning device 60b. Then, the inner suction disc translation linear module 742 of the negative electrode sheet inner suction disc manipulator 76 drives the plurality of inner suction disc assemblies to move left and right, so as to adjust the left and right positions of the plurality of inner suction disc assemblies. Then, the two inner suction disc lifting linear modules 741 of the negative electrode sheet inner suction disc manipulator 76 drive the plurality of inner suction disc assemblies to move downward to the predetermined position, and then the two inner suction disc cylinders 745 drive the corresponding inner suction disc plates 746 to move downward, so that the inner suction disc plates 746 of the plurality of inner suction disc assemblies respectively suck the corresponding negative electrode sheets, and then the two inner suction disc cylinders 745 drive the corresponding inner suction disc plates 746 to move upward to the initial position.Then the plurality of inner suction cup assemblies are driven by the two inner suction cup lifting linear modules 741 of the negative electrode sheet inner suction cup manipulator 76 to move upward to the initial position. Then the plurality of inner suction cup assemblies of the negative electrode sheet inner suction cup manipulator 76 are driven by the two multi-motor linear motors 72 to move backward, so that the plurality of inner suction cup assemblies are located above the laminating table 31 respectively. Then the plurality of inner suction cup assemblies are driven by the two inner suction cup lifting linear modules 741 of the negative electrode sheet inner suction cup manipulator 76 to move downward to the predetermined position, and then the corresponding inner suction cup plates 746 are driven by the two inner suction cup cylinders 745 to move downward, so as to place the plurality of negative electrode sheets on the diaphragm of the laminating table 31 through the inner suction cup plates 746 of the plurality of inner suction cup assemblies. Then the corresponding inner suction cup plates 746 are driven by the two inner suction cup cylinders 745 to move upward to the initial position, and then the plurality of inner suction cup assemblies of the negative electrode sheet inner suction cup manipulator 76 are driven by the two inner suction cup lifting linear modules 741 to move upward to the initial position. Then the plurality of inner suction cup assemblies of the negative electrode sheet inner suction cup manipulator 76 are driven by the two multi-motor linear motors 72 to move forward to the initial position.

[0047] The working principle of the positive electrode sheet outer suction cup manipulator 73 is the same as that of the negative electrode sheet outer suction cup manipulator 75, and the difference is only that the moving direction of the positive electrode sheet outer suction cup manipulator 73 driven by the two multi-motor linear motors 72 is opposite to that of the negative electrode sheet outer suction cup manipulator 75, and the plurality of outer suction cup assemblies of the positive electrode sheet outer suction cup manipulator 73 suck the plurality of positive electrode sheets on the positive electrode sheet conveying line 15 and place the plurality of positive electrode sheets on the plurality of positioning platforms 63 of the positive electrode sheet pre-positioning device 60a, so that the corresponding positioning platforms 63 are driven to rotate by the plurality of alignment robots 62 of the positive electrode sheet pre-positioning device 60a respectively, so that the plurality of positive electrode sheets can be respectively positioned and corrected to ensure the accuracy of the positions of the plurality of positive electrode sheets. The working principle of the positive electrode sheet inner suction cup manipulator 74 is the same as that of the negative electrode sheet inner suction cup manipulator 76, and the difference is only that the moving direction of the positive electrode sheet inner suction cup manipulator 74 driven by the two multi-motor linear motors 72 is opposite to that of the negative electrode sheet inner suction cup manipulator 76, and the plurality of inner suction cup assemblies of the positive electrode sheet inner suction cup manipulator 74 suck the plurality of positive electrode sheets on the positive electrode sheet pre-positioning device 60a and place the plurality of positive electrode sheets on the diaphragm of the laminating table 31.

[0048] In combination Figures 12 to 15As shown, the battery cell slitting device 80 comprises a slitting base 81, a base linear module 82 arranged at the top end of the rack, a plurality of slitting clamps 83, and a slitting mechanism 84. The slitting base 81 is arranged at the top end of the base linear module 82, and the base linear module 82 is used to drive the slitting base 81 to move left and right. The plurality of slitting clamps 83 are arranged in sequence from left to right at intervals. The slitting clamps 83 and the slitting mechanism 84 are both arranged at the top end of the slitting base 81, and the left and right movement of the slitting base 81 can drive the plurality of slitting clamps 83 and the slitting mechanism 84 to move left and right. The number of slitting clamps 83 corresponds to the number of outer suction disc assemblies and inner suction disc assemblies of the carrying device 70. The drawings of the present embodiment show a battery cell slitting device 80 with three slitting clamps 83.

[0049] The slitting clamp 83 comprises a clamp mounting plate 831 arranged at the top end of the slitting base 81, a lower pressing mounting seat 832, an upper pressing mounting seat 833, and two slitting lifting cylinders 834. The lower pressing mounting seat 832 is arranged at the top end of the clamp mounting plate 831, and the top end of the lower pressing mounting seat 832 is provided with a plurality of first air avoidance grooves 8321 arranged in sequence from front to back at intervals. The upper pressing mounting seat 833 is located above the lower pressing mounting seat 832 and opposite to the lower pressing mounting seat 832, and the bottom end of the upper pressing mounting seat 833 is provided with a plurality of second air avoidance grooves 8331 corresponding to the plurality of first air avoidance grooves 8321. The two slitting lifting cylinders 834 are arranged at the top end of the clamp mounting plate 831 respectively, and the lower pressing mounting seat 832 is located between the two slitting lifting cylinders 834. The output ends of the two slitting lifting cylinders 834 are connected to the two ends of the upper pressing mounting seat 833 respectively.

[0050] The slitting mechanism 84 comprises two slitting translation linear modules 841 arranged opposite to each other, two slitting lifting linear modules 842, a slitting mounting plate 843 and a plurality of slitting hot cutting wires 844. The two slitting translation linear modules 841 are arranged at the top end of the slitting base 81 respectively, the plurality of slitting clamps 83 are located between the two slitting translation linear modules 841, and the two slitting lifting linear modules 842 are arranged at the top end of the two slitting translation linear modules 812 respectively. The slitting mounting plate 843 is located above the plurality of slitting clamps 83. The two ends of the slitting mounting plate 843 are connected with the two slitting lifting linear modules 842 respectively, the plurality of slitting hot cutting wires 844 are located below the slitting mounting plate 843 and are arranged in sequence from left to right at intervals, the number of the slitting hot cutting wires 844 is one less than that of the slitting clamps 83, and each slitting hot cutting wire 844 is located between two adjacent slitting clamps 83. One end and the other end of the slitting hot cutting wire 844 are respectively provided with a first slitting block 8441 and a second slitting block 8442. One end and the other end of the slitting hot cutting wire 844 are respectively used for electrical connection with the control system, so that the slitting hot cutting wire 844 can be powered through the control system, and the slitting hot cutting wire 844 generates heat after being powered on. In the embodiment, the negative electrode sheets and the positive electrode sheets on the sheet stacking table 31 are four respectively, so that the electrode sheets of the whole battery cell and the gaps between the electrode sheets are three. In actual application, each slitting hot cutting wire 844 corresponds to a gap respectively, and the slitting hot cutting wire 844 is used for cutting the separator from the corresponding gap, so as to realize the slitting of the whole battery cell into a plurality of single battery cells. The first slitting block 8441 is arranged on one side of the first slitting pillar 845 and close to the bottom end of the first slitting pillar 845, the top end of the first slitting pillar 845 is provided with a first mounting block 8451, one side of the first mounting block 8451 is provided with a second mounting block 8452, the second mounting block 8452 is arranged at the bottom end of the slitting mounting plate 843, the second slitting block 8442 is arranged on one side of the second slitting pillar 846 and close to the bottom end of the second slitting pillar 846, one side of the second slitting pillar 846 is provided with a slitting sliding block 847 close to the top end of the second slitting pillar 846, the slitting sliding block 847 is slidingly arranged on one side of a slitting support plate 848, the top end of the slitting support plate 848 is provided with a third mounting block 8481, one side of the third mounting block 8481 is provided with a fourth mounting block 8482, and the fourth mounting block 8482 is arranged at the bottom end of the slitting mounting plate 843.One side of the slitting support plate 848 is provided with a slitting tension cylinder 849, the output end of the slitting tension cylinder 849 is connected with the slitting sliding block 847, the slitting tension cylinder 849 is located between the second slitting support column 846 and the plurality of slitting clamps 83, the slitting tension cylinder 849 is used to drive the slitting sliding block 847 to move towards or away from the center of the slitting hot cutting wire 844, that is, to move forward and backward, so that the second slitting support column 846 and the second slitting block 8442 can drive the other end of the slitting hot cutting wire 844 to move towards or away from the center of the slitting hot cutting wire 844, by driving the other end of the slitting hot cutting wire 844 to move away from the center of the slitting hot cutting wire 844, the slitting hot cutting wire 844 can be tensioned, so that when the separator of the whole battery is cut by the slitting hot cutting wire 844, the flatness of the cut of the separator can be guaranteed, and the quality of the single battery is guaranteed. The plurality of slitting clamps 83 are located between the first slitting support column 845 and the second slitting support column 846. The two slitting translation linear modules 841 are used to drive the two slitting lifting linear modules 842 to move left and right, so that the slitting mounting plate 843 and the plurality of slitting hot cutting wires 844 can move left and right, so that the left and right positions of the plurality of slitting hot cutting wires 844 can be adjusted, so that the width of the plurality of single batteries after slitting is consistent. The two slitting lifting linear modules 842 are used to drive the slitting mounting plate 843 to move up and down, so that the plurality of slitting hot cutting wires 844 can move up and down. In the embodiment, the first slitting block 8441 includes a first connecting block 84412 and a second connecting block 84411, one side of the first slitting support column 845 is provided with a first mounting groove, the first connecting block 84412 is arranged in the first mounting groove, and the second connecting block 84411 is arranged on one side of the first slitting support column 845, away from the side of the first connecting block 84412 away from the bottom of the first mounting groove. The second slitting block 8442 includes a third connecting block 84422 and a fourth connecting block 84421, one side of the second slitting support column 846 is provided with a second mounting groove, the third connecting block 84422 is arranged in the second mounting groove, and the fourth connecting block 84421 is arranged on one side of the second slitting support column 846, away from the side of the third connecting block 84422 away from the bottom of the second mounting groove.

[0051] In combination Figure 16 and Figure 17As shown, the discharging manipulator 90 comprises a discharging base 91 arranged at the top end of the frame, a discharging translation linear module 92, a discharging lifting linear module 93, a discharging motor 94, a discharging rotating shaft 95, a clamping cylinder 96, an upper clamping jaw group and a lower clamping jaw group. The discharging translation linear module 92 is arranged at the side of the discharging base 91 close to the battery cell cutting device 80. The discharging lifting linear module 93 is arranged at the side of the discharging translation linear module 92 close to the battery cell cutting device 80. One side of the discharging lifting linear module 93 is provided with a discharging mounting seat 921, and the side of the discharging mounting seat 921 away from the discharging lifting linear module 93 is provided with a discharging mounting plate 922. The discharging motor 94 is arranged at the top end of the discharging mounting plate 922 through a motor seat 941. The discharging rotating shaft 95 penetrates through the through hole of the discharging mounting plate 922, one end of the discharging rotating shaft 95 is connected with the output end of the discharging motor 94, the other end of the discharging rotating shaft 95 is connected with the top end of a discharging top plate 951, and the through hole of the discharging mounting plate 922 is provided with a discharging bearing which is sleeved on the outer periphery of the discharging rotating shaft 95 to provide rotational support for the discharging rotating shaft 95. The bottom end of the discharging top plate 951 is provided with a discharging side plate 952, and the clamping cylinder 96 is arranged at the side of the discharging side plate 952 away from the battery cell cutting device 80. The upper clamping jaw group and the lower clamping jaw group are arranged oppositely. The upper clamping jaw group and the lower clamping jaw group are located between the discharging side plate 952 and the battery cell cutting device 80 and below the discharging translation linear module 92. The upper clamping jaw group comprises an upper clamping jaw mounting seat 971 and a plurality of upper clamping jaws 972, and the upper clamping jaw mounting seat 971 is connected with the output end of the clamping cylinder 96. Specifically, the side of the upper clamping jaw mounting seat 971 close to the discharging side plate 952 is provided with an upper clamping jaw connecting block 9711, one end of the upper clamping jaw connecting block 9711 away from the upper clamping jaw mounting seat 971 penetrates through the through hole 9521 of the discharging side plate 952 and is connected with the output end of the clamping cylinder 96, and the plurality of upper clamping jaws 972 are sequentially and spacedly arranged at the side of the upper clamping jaw mounting seat 971 close to the battery cell cutting device 80. The lower clamping jaw group comprises a lower clamping jaw mounting seat 981 and a plurality of lower clamping jaws 982, and the lower clamping jaw mounting seat 981 is arranged at the side of the discharging side plate 952 close to the battery cell cutting device 80. The plurality of lower clamping jaws 982 are sequentially and spacedly arranged at the side of the lower clamping jaw mounting seat 981 close to the battery cell cutting device 80 and correspond to the plurality of upper clamping jaws 972 one by one. The second avoiding grooves 8331 of the plurality of cutting clamps 83 form second avoiding passages, and the first avoiding grooves 8321 of the plurality of cutting clamps 83 form first avoiding through holes. Each upper clamping jaw 972 corresponds to a second avoiding passage for avoiding the corresponding upper clamping jaw 972, and each lower clamping jaw 982 corresponds to a first avoiding through hole for avoiding the corresponding lower clamping jaw 982. The discharging translation linear module 92 is used for driving the discharging lifting linear module 93 to move forward and backward, so as to drive the discharging motor 94, the discharging rotating shaft 95, the clamping cylinder 96, the upper clamping jaw group and the lower clamping jaw group to move forward and backward.The blanking lifting linear module 93 is used to drive the blanking motor 94, the blanking rotating shaft 95, the clamping jaw cylinder 96, and the upper and lower clamping jaw groups to move up and down. The blanking motor 94 is used to drive the blanking rotating shaft 95 to rotate, so as to drive the clamping jaw cylinder 96, the upper clamping jaw group and the lower clamping jaw group to rotate.

[0052] In actual application, after the edge sealing of the front side and the rear side of the whole battery cell is completed by the first hot cutting mechanism 38 and the second hot cutting mechanism 39 respectively, the corresponding plurality of patching blocks 316 is first driven to move downward by the patching cylinder 38 of the two patching assemblies until the patching block 316 contacts the bottom of the corresponding avoiding groove 3141, at this time the patching block 316 is separated from the corresponding through hole. Then the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are driven to move forward to the position corresponding to the laminated plate table 31 by the blanking translation linear module 92, and then the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are driven to rotate 180 degrees by the blanking motor 94, so that the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are directed to the laminated plate table 31, and then the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are driven to move up and down by the blanking lifting linear module 93, so that the plurality of lower clamping jaws 982 correspond to the plurality of through holes of the two laminated plate supporting plates 312 respectively. Then the laminated plate table 31 is driven to move right by the laminated plate translation linear module, so that the plurality of lower clamping jaws 982 are inserted into the plurality of through holes of the laminated plate table 31 respectively, at this time the plurality of upper clamping jaws 972 are located above the whole battery cell on the laminated plate table 31. Then the plurality of upper clamping jaws 972 are driven to move downward by the clamping cylinder 96, so that the whole battery cell on the laminated plate table 31 can be clamped by the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982. Then the laminated plate table 31 is driven to move left to the initial position by the laminated plate translation linear module, so that the plurality of lower clamping jaws 982 are separated from the plurality of through holes of the laminated plate table 31. Then the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are driven to rotate 180 degrees by the blanking motor 94 to return to the initial position. Then the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are driven to move backward to the position corresponding to the battery cell slitting device 80 by the blanking translation linear module 92. Then the plurality of slitting hot cutting wires 844 are driven to move upward by the two slitting lifting linear modules 842, so that the plurality of slitting hot cutting wires 844 are located above the plurality of slitting clamps 83. Then the slitting base 81, the plurality of slitting clamps 83 and the slitting mechanism 84 are driven to move left by the base linear module 82, so that the whole battery cell is located at the top end of the lower pressing mounting seat 832, the plurality of upper clamping jaws 972 are inserted into the corresponding second avoiding passage respectively, and the plurality of lower clamping jaws 982 are inserted into the corresponding first avoiding passage respectively. Then the upper pressing mounting seat 833 is driven to move downward by the two slitting lifting cylinders 834, so as to press the whole battery cell on the top end of the lower pressing mounting seat 832, at this time each slitting hot cutting wire 844 corresponds to the pole piece and the gap between the pole pieces of the whole battery cell respectively. Then the plurality of upper clamping jaws 972 are driven to move upward by the clamping cylinder 96 to release the whole battery cell. Then the slitting base 81, the plurality of slitting clamps 83 and the slitting mechanism 84 are driven to move right to the initial position by the base linear module 82.Then the plurality of slitting hot cut wires 844 are driven to move downward to the initial position by two slitting lifting linear modules 842, in the process of moving downward of the slitting hot cut wires 844, the separator can be cut from the corresponding gap of the whole battery cell by the slitting hot cut wires 844, so as to realize the slitting of the whole battery cell into a plurality of, for example, four single battery cells, so as to obtain a plurality of single battery cells.

[0053] The utility model discloses a positive plate unwinding mechanism 11, positive plate V angle punching mechanism 12, positive plate cutting mechanism 13, positive plate detection mechanism 14, positive plate conveying line 15, negative plate unwinding mechanism 21, negative plate V angle punching mechanism 22, negative plate cutting mechanism 23, negative plate detection mechanism 24, negative plate conveying line 25, diaphragm unwinding device 40, draw diaphragm device 50, laminating device 30, positive plate preposition device 60a, negative plate preposition device 60b, handling device 70, battery cell slitting device 80 and unloading manipulator 90 are set up, and a plurality of single battery cells can be produced once, and the production efficiency is improved, and the production cost is reduced, and the positive plate preposition device 60a, negative plate preposition device 60b can be respectively used for rectifying and positioning multiple positive plates, multiple negative plates, so as to guarantee the accuracy of the position of multiple positive plates, multiple negative plates. Meanwhile, the whole battery cell is cut after unloading, compared with the mode that the plurality of single battery cells are unloaded after cutting on the laminating table 31, the unloading time of the battery cell on the laminating table 31 can be reduced. In addition, the first hot cutting mechanism 38 and the second hot cutting mechanism 39 are set up, the first hot cutting mechanism 38 can cut the separator and can edge seal the front side of the whole battery cell, the second hot cutting mechanism can edge seal the rear side of the whole battery cell, and the mode that the edge sealing is carried out first and then cutting is adopted, so that the both side edges of the separator of the whole battery cell do not appear the folding condition in the process of handling the whole battery cell to the battery cell slitting device 80 by the unloading manipulator 90, and the quality of the whole battery cell is improved.

[0054] The utility model also includes setting in the top of frame's pasting rubber mechanical arm 100, pasting rubber device 110, hot pressing material loading mechanical arm 120, hot pressing material unloading mechanical arm 140, hot pressing device 130, pasting two-dimensional code rubber device 150, transfer mechanical arm 160, testing arrangement 170 and unloading conveying line 180. Pasting rubber mechanical arm 100 is located in the right of material unloading mechanical arm 90, and pasting rubber device 110 is located in the front of material unloading mechanical arm 90 and pasting rubber mechanical arm 100. Pasting rubber device 110 is used for pasting rubber to the front side, rear side, left side, right side of single cell, and material unloading mechanical arm 90 is also used for carrying multiple single cells on the cell slitting device 80 to pasting rubber mechanical arm 100, and pasting rubber mechanical arm 100 is used for carrying multiple single cells on material unloading mechanical arm 90 to pasting rubber device 110 in turn. Hot pressing device 130 is located in the front of pasting rubber device 110, and hot pressing material loading mechanical arm 120 is located between pasting rubber device 110 and hot pressing device 130. Pasting two-dimensional code rubber device 150, testing arrangement 160 and unloading conveying line 170 are sequentially arranged from left to right and located in the front of hot pressing device 130, and hot pressing material unloading mechanical arm 140 is located in the left of hot pressing device 130 and pasting two-dimensional code rubber device 150. Transfer mechanical arm 160 is located between pasting two-dimensional code rubber device 150 and testing arrangement 170. Hot pressing device 130 is used for hot pressing to single cell, and hot pressing material loading mechanical arm 120 is used for carrying single cell on pasting rubber device 110 to hot pressing device 130. Pasting two-dimensional code rubber device 150 is used for pasting two-dimensional code rubber to single cell. Testing arrangement 160 is used for Hi-pot test and thickness test to single cell. Unloading conveying line 180 is used for conveying single cell to unloading station to realize the unloading of single cell. Hot pressing material unloading mechanical arm 140 is used for carrying single cell on hot pressing device 130 to pasting two-dimensional code rubber device 150. Transfer mechanical arm 160 is used for carrying single cell on pasting two-dimensional code rubber device 150 to testing arrangement 170 and is used for carrying single cell on testing arrangement 170 to unloading conveying line 180.

[0055] The utility model does not change the structure of pasting rubber mechanical arm 100, pasting rubber device 110, hot pressing material loading mechanical arm 120, hot pressing material unloading mechanical arm 140, hot pressing device 130, pasting two-dimensional code rubber device 150, transfer mechanical arm 160, testing arrangement 170 and unloading conveying line 180, and adopts the conventional structure. The number of hot pressing device 130 can be set according to actual conditions.

[0056] In actual application, after the whole battery cell is cut into a plurality of, for example, four single battery cells by the plurality of cutting hot wires 844 of the battery cell slitting device 80, the plurality of cutting hot wires 844 is driven to move upward by the two cutting lifting linear modules 842, so that the plurality of cutting hot wires 844 is located above the plurality of cutting clamps 83. Then the cutting base 81, the plurality of cutting clamps 83 and the cutting mechanism 84 are driven to move left by the base linear module 82, so that the plurality of upper clamping jaws 972 of the blanking manipulator 90 are respectively inserted into the corresponding second avoiding passages, the plurality of lower clamping jaws 982 are respectively inserted into the corresponding first avoiding passages, and the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982 are respectively located above and below the plurality of single battery cells, and then the plurality of upper clamping jaws 972 are driven to move downward by the clamping jaw cylinder 96, so that the plurality of single battery cells are clamped by the plurality of upper clamping jaws 972 and the plurality of lower clamping jaws 982. Then the upper pressing mounting seat 833 is driven to move upward to the initial position by the two cutting lifting cylinders 834 to release the plurality of single battery cells. Then the cutting base 81, the plurality of cutting clamps 83 and the cutting mechanism 84 are driven to move right to the initial position by the base linear module 82. Then the plurality of cutting hot wires 844 are driven to move downward to the initial position by the two cutting lifting linear modules 842. Then the plurality of upper clamping jaws 972, the plurality of lower clamping jaws 982 and the plurality of single battery cells are driven to move forward to the position of the gluing manipulator 110 by the blanking translation linear module 92. Then the plurality of single battery cells on the blanking manipulator 90 are sequentially carried to the gluing device 110 by the gluing manipulator 110, so that the front side, the rear side, the left side and the right side of the plurality of single battery cells are sequentially glued by the gluing device 110, and after the gluing of each single battery cell by the gluing device 110 is completed, the single battery cell on the gluing device 110 is carried to the hot pressing device 130 by the hot pressing upper feeding manipulator 120, so that the single battery cell is compacted by the hot pressing device 130. Then the single battery cell on the hot pressing device 130 is carried to the two-dimensional code gluing device 150 by the hot pressing lower feeding manipulator 140, so that the single battery cell is pasted with two-dimensional code glue by the two-dimensional code gluing device 150. Then the single battery cell on the two-dimensional code gluing device 150 is carried to the testing device 170 by the transfer manipulator 160, so that the single battery cell is subjected to Hi-pot test and thickness test by the testing device 170. Then the single battery cell on the testing device 170 is carried to the blanking conveying line 180 by the transfer manipulator 160, so that the single battery cell is conveyed to the blanking station by the blanking conveying line 180.

[0057] The utility model discloses a paste glue mechanical hand 100, paste glue device 110, hot pressing material loading mechanical hand 120, hot pressing material unloading mechanical hand 140, hot pressing device 130, paste two -dimensional code glue device 150, transfer mechanical hand 160, testing device 170 and unloading conveying line 180 are set up to the side of the monomer electric core after slitting paste glue, hot pressing, paste two -dimensional code glue, Hi -pot test and thickness test can be carried out on the same equipment, need not through different equipment, can reduce production time, improved production efficiency, reduced production cost.

[0058] The above is a specific description of the preferred embodiment of the utility model, but the utility model creation is not limited to the described embodiment, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A stacking device for stacking multiple sheets at once, comprising a frame, a positive electrode die-cutting device, a negative electrode die-cutting device arranged in a front-to-back configuration with respect to the positive electrode die-cutting device, a stacking device, a separator unwinding device, and a separator stretching device. The positive electrode die-cutting device includes, from left to right, a positive electrode unwinding mechanism for unwinding positive electrode strips, a positive electrode V-angle punching mechanism for punching V-angles on both sides of the positive electrode strip, a positive electrode cutting mechanism for cutting the positive electrode strip into positive electrode sheets, a positive electrode inspection mechanism for dimensional and surface defect detection of the positive electrode sheets, and a positive electrode conveying line for conveying the positive electrode sheets. The negative electrode die-cutting device includes, from left to right, a negative electrode unwinding mechanism for unwinding negative electrode strips. The device comprises a negative electrode unwinding mechanism, a negative electrode V-angle punching mechanism for punching V-angles on both sides of the negative electrode strip, a negative electrode cutting mechanism for cutting the negative electrode strip into negative electrode sheets, a negative electrode inspection mechanism for dimensional and surface defect inspection of the negative electrode sheets, and a negative electrode conveying line for conveying the negative electrode sheets. The stacking device includes a stacking table, a diaphragm unwinding device for unwinding the diaphragm, and a diaphragm pulling device for clamping and moving the diaphragm backward to lay the diaphragm on the stacking table, on multiple negative electrode sheets on the stacking table, and on multiple positive electrode sheets on the stacking table. Both the diaphragm unwinding device and the diaphragm pulling device are located in front of and above the stacking device. Also includes: A positive electrode pre-positioning device is slidably mounted on the top of the frame and is used to correct and position multiple positive electrode sheets. A negative electrode prepositioning device is slidably disposed at the top of the frame and is arranged in front of and behind the positive electrode prepositioning device for correcting and positioning multiple negative electrodes. The stacking device is located between the positive electrode prepositioning device and the negative electrode prepositioning device. A conveying device is disposed at the top of the frame and located between the positive electrode sheet conveying line and the negative electrode sheet conveying line. It is used to convey multiple positive electrode sheets on the positive electrode sheet conveying line to the positive electrode sheet pre-positioning device, to convey multiple negative electrode sheets on the negative electrode sheet conveying line to the negative electrode sheet pre-positioning device, to convey multiple positive electrode sheets on the positive electrode sheet pre-positioning device to the diaphragm of the stacking table, and to convey multiple negative electrode sheets on the negative electrode sheet pre-positioning device to the diaphragm of the stacking table. The stacking device, the positive electrode sheet pre-positioning device, and the negative electrode sheet pre-positioning device are all located within the conveying device. A cell slitting device is located at the top of the frame and to the right of the stacking device and the positive electrode prepositioning device, and is used to slit the whole cell into multiple individual cells. A material unloading robot is set at the top of the frame and located between the stacking device and the cell slitting device, and is used to transport the whole cells on the stacking table to the cell slitting device; The stacking device further includes a stacking translation linear module disposed at the top of the frame, a stacking mounting plate disposed at the top of the stacking translation linear module, and a first hot-cutting mechanism disposed at the top of the stacking mounting plate. The stacking stage is disposed at the top of the stacking mounting plate, and the first hot-cutting mechanism is located in front of the stacking stage. The first hot-cutting mechanism is used to cut the diaphragm.

2. The stacking device for multiple sheets at once according to claim 1, characterized in that, Both the positive electrode pre-positioning device and the negative electrode pre-positioning device include multiple pre-positioning bases, multiple alignment robots, and multiple positioning platforms. The multiple pre-positioning bases are arranged sequentially from left to right and connected to each other. The multiple pre-positioning bases are slidably mounted on the top of the frame. The multiple alignment robots correspond one-to-one with the multiple pre-positioning bases and are respectively mounted on the top of the corresponding pre-positioning bases. The multiple positioning platforms correspond one-to-one with the multiple alignment robots and are respectively mounted on the top of the corresponding alignment robots. The alignment robots are used to drive the corresponding positioning platforms to rotate.

3. The stacking device for multiple sheets at once according to claim 1, characterized in that, The transport device includes two transport mounting platforms arranged opposite each other, a positive electrode outer suction cup robot, a positive electrode inner suction cup robot, a negative electrode outer suction cup robot, and a negative electrode inner suction cup robot. The transport mounting platforms are mounted on the top of the frame via transport bases. Two multi-actuator linear motors are respectively installed on the side of the two transport mounting platforms that are close to each other. The negative electrode outer suction cup robot and the positive electrode outer suction cup robot are symmetrically arranged front-to-back and positioned above the negative electrode conveyor line and the positive electrode conveyor line, respectively. The negative electrode inner suction cup robot and the positive electrode inner suction cup robot are symmetrically arranged front-to-back and positioned between the negative electrode outer suction cup robot and the positive electrode outer suction cup robot, with the negative electrode outer suction cup robot, the negative electrode inner suction cup robot, and the positive electrode inner suction cup robot all positioned in a symmetrical manner. The two ends of the disc manipulator and the positive electrode outer suction cup manipulator are respectively connected to two multi-motion linear motors. The negative electrode pre-positioning device is located below the negative electrode outer suction cup manipulator and the negative electrode inner suction cup manipulator. The positive electrode pre-positioning device is located below the positive electrode inner suction cup manipulator and the positive electrode outer suction cup manipulator. The stacking device is located below the negative electrode inner suction cup manipulator and the positive electrode inner suction cup manipulator. The diaphragm unwinding device is set at the top of the two transport and installation platforms and is located above the negative electrode outer suction cup manipulator and the negative electrode inner suction cup manipulator. The diaphragm pulling device is located between the negative electrode inner suction cup manipulator and the positive electrode inner suction cup manipulator. The two ends of the diaphragm pulling device are respectively connected to two multi-motion linear motors.

4. The stacking device for multiple sheets at once according to claim 3, characterized in that, Both the negative electrode sheet external suction cup robot and the positive electrode sheet external suction cup robot include two external suction cup lifting linear modules, an external suction cup translation linear module, and multiple external suction cup components arranged at intervals from left to right. The two external suction cup lifting linear modules are respectively connected to two multi-motion linear motors. The two ends of the external suction cup translation linear module are respectively connected to the two external suction cup lifting linear modules. The multiple external suction cup components are all located on the side of the external suction cup translation linear module away from the stacking device. Both the negative electrode inner suction cup robot and the positive electrode inner suction cup robot include two inner suction cup lifting linear modules, an inner suction cup translation linear module, and multiple inner suction cup components arranged at intervals from left to right. The two inner suction cup lifting linear modules are respectively connected to two multi-motion linear motors. The two ends of the inner suction cup translation linear module are respectively connected to the two inner suction cup lifting linear modules. The multiple inner suction cup components are all located on the side of the inner suction cup translation linear module away from the stacking device.

5. The stacking device for multiple sheets at once according to claim 1, characterized in that, The stacking device also includes a second hot-cutting mechanism located behind the stacking table. The second hot-cutting mechanism is disposed at the top of the stacking mounting plate. The first hot-cutting mechanism and the second hot-cutting mechanism are respectively used to seal the front and rear sides of the whole cell. Both the first and second hot-cutting mechanisms include two hot-cutting bases arranged opposite each other, two hot-cutting mounting plates, two hot-cutting support plates, two hot-cutting lifting cylinders, a diaphragm hot-cutting wire, and a hot-cutting tensioning cylinder. The two hot-cutting bases are each located at the top of the stacking mounting plates, and the two hot-cutting mounting plates are respectively located at the top of the two hot-cutting bases. The two hot-cutting support plates are slidably disposed on the side of the two hot-cutting mounting plates near the stacking table. The two hot-cutting lifting cylinders are respectively located on the side of the two hot-cutting mounting plates near the stacking table, and their output ends are respectively connected to the top of the two hot-cutting support plates. One end and the other end of the diaphragm hot-cutting wire are respectively provided with a first hot-cutting block and a second hot-cutting block. The first hot-cutting block is located on the side of one of the hot-cutting support plates near the stacking table, and the second hot-cutting block is connected to the output end of the hot-cutting tensioning cylinder. The hot-cutting tensioning cylinder is located on the side of the other hot-cutting support plate near the stacking table. The diaphragm hot-cutting wire is located below the top of the stacking table.

6. The stacking device for multiple sheets at once according to claim 1, characterized in that, The cell slitting device includes a slitting base, a base linear module disposed at the top of the frame, multiple slitting clamps and a slitting mechanism. The slitting base is disposed at the top of the base linear module, and the multiple slitting clamps are arranged alternately from left to right. The slitting fixture includes a fixture mounting plate, a lower clamping mounting seat, an upper clamping mounting seat, and two slitting lifting cylinders, all mounted on the top of the slitting base. The lower clamping mounting seat is located on the top of the fixture mounting plate and has multiple first clearance slots at its top, spaced apart from front to back. The upper clamping mounting seat is located above and opposite the lower clamping mounting seat. The bottom of the upper clamping mounting seat has multiple second clearance slots, each corresponding to one of the first clearance slots. The two slitting lifting cylinders are respectively mounted on the top of the fixture mounting plate, with the lower clamping mounting seat located between the two slitting lifting cylinders. The output ends of the two slitting lifting cylinders are respectively connected to both ends of the upper clamping mounting seat. The slitting mechanism includes two slitting translation linear modules arranged opposite each other, two slitting lifting linear modules, a slitting mounting plate, and multiple slitting hot-cutting wires. The two slitting translation linear modules are respectively located at the top of the slitting base. Multiple slitting clamps are located between the two slitting translation linear modules. The two slitting lifting linear modules are respectively located at the top of the two slitting translation linear modules. The slitting mounting plate is located above the multiple slitting clamps, and its two ends are respectively connected to the two slitting lifting linear modules. Multiple slitting hot-cutting wires are located below the slitting mounting plate and are arranged alternately from left to right. The number of slitting hot-cutting wires is one less than the number of slitting clamps. Each slitting hot-cutting wire is located between two adjacent slitting clamps. A first slitting block and a second slitting block are respectively provided at one end and the other end. The first slitting block is located on one side of the first slitting support column and near the bottom end of the first slitting support column. The top end of the first slitting support column is located at the bottom end of the slitting mounting plate. The second slitting block is located on one side of the second slitting support column and near the bottom end of the second slitting support column. A slitting sliding block is provided on one side of the second slitting support column near the top end of the second slitting support column. The slitting sliding block is slidably disposed on one side of the slitting support plate. The top end of the slitting support plate is located at the bottom end of the slitting mounting plate. A slitting tension cylinder is provided on one side of the slitting support plate. The output end of the slitting tension cylinder is connected to the slitting sliding block. Multiple slitting clamps are located between the first slitting support column and the second slitting support column.

7. The stacking device for multiple sheets at once according to claim 6, characterized in that, The unloading robot includes an unloading base mounted on the top of the frame, an unloading translation linear module, an unloading lifting linear module, an unloading motor, an unloading rotating shaft, a gripper cylinder, an upper gripper assembly, and a lower gripper assembly. The unloading translation linear module is located on the side of the unloading base near the cell cutting device. The unloading lifting linear module is located on the side of the unloading translation linear module near the cell cutting device. An unloading mounting base is provided on one side of the unloading lifting linear module, and an unloading mounting plate is provided on the side of the unloading mounting base away from the unloading lifting linear module. The unloading motor is located at the top of the unloading mounting plate. The unloading rotating shaft passes through a through hole in the unloading mounting plate, with one end connected to the output end of the unloading motor and the other end connected to the top of the unloading top plate. An unloading side plate is provided at the bottom of the unloading top plate. The gripper cylinder is located on the side of the unloading side plate away from the cell cutting device. The upper gripper... The upper and lower gripper groups are arranged vertically opposite each other. The upper gripper group and the lower gripper group are located between the unloading side plate and the cell cutting device and below the unloading translation linear module. The upper gripper group includes an upper gripper mounting base and multiple upper grippers. The upper gripper mounting base is connected to the output end of the gripper cylinder. The multiple upper grippers are arranged sequentially from front to back on the side of the upper gripper mounting base near the cell cutting device. The lower gripper group includes a lower gripper mounting base and multiple lower grippers. The lower gripper mounting base is located on the side of the unloading side plate near the cell cutting device. The multiple lower grippers are arranged sequentially from front to back on the side of the lower gripper mounting base near the cell cutting device and correspond one-to-one with the multiple upper grippers. The first clearance grooves of the multiple cutting fixtures form a first clearance channel, and each lower gripper corresponds to one of the first clearance channels. The second clearance grooves of the multiple cutting fixtures form a second clearance channel, and each upper gripper corresponds to one of the second clearance channels.

8. The stacking device for multiple sheets at once according to claim 1, characterized in that, Both the positive electrode V-angle punching mechanism and the negative electrode V-angle punching mechanism include a punching mounting frame disposed at the top of the frame, a punching die located within the punching mounting frame, and a punching lifting drive mechanism. The punching die includes an upper punching template and a lower punching template arranged vertically opposite each other. The lower punching template is disposed at the bottom of the punching mounting frame. The lower punching template and the upper punching template are connected by a telescopic rod. Two V-shaped cutters are respectively provided on the front and rear sides of the bottom end of the upper punching template. The top of the lower punching template has two V-shaped grooves corresponding to the two V-shaped cutters, and the two V-shaped cutters are respectively used to cooperate with the two V-shaped grooves. The punching lifting drive mechanism includes a punching motor, a punching reducer, a punching synchronous belt assembly, a punching shaft, and a punching connecting rod. A punching mounting seat is disposed at the top of the punching mounting frame. The punching motor is disposed within the punching reducer... On the machine, the output end of the punching motor is connected to the input end of the punching reducer. The punching reducer is disposed at one end of the punching mounting base. One end of the punching shaft is connected to the output end of the punching reducer through the punching timing belt assembly. The other end of the punching shaft is rotatably disposed in the through hole of the punching mounting bracket and connected to a roller bearing follower. The center of the roller bearing follower is located on one side of the axis of the punching shaft. The roller bearing follower cooperates with the rectangular hole of the punching connecting plate. The punching mounting plate is slidably disposed on one side of the punching mounting base. The punching connecting plate is disposed on the side of the punching mounting plate near the punching mounting base. One end of the punching connecting rod is disposed at the bottom end of the punching mounting plate. The other end of the punching connecting rod passes through the through hole at the top of the punching mounting bracket and is connected to the top end of the upper punching template.

9. The stacking device for multiple sheets at once according to claim 7, characterized in that, The stacking platform includes a stacking base disposed at the top of the stacking mounting plate, two stacking support plates arranged side-by-side, a stacking bottom plate, and two alignment components. The two stacking support plates are connected to each other. The bottom end of each stacking support plate has two stacking support plates spaced apart from each other. Both stacking support plates are disposed at the top of the stacking bottom plate. The bottom end of the stacking bottom plate has two stacking connecting plates, which are respectively connected to stacking connecting posts at the top of the stacking base. Each stacking support plate has multiple through holes penetrating its top and bottom ends, spaced apart from left to right. These through holes correspond to multiple lower grippers of the unloading robot. The two alignment components correspond to the two stacking support plates respectively. The filling component includes multiple filling blocks, a filling mounting plate, and two filling cylinders. The multiple filling blocks correspond one-to-one with multiple through holes on the corresponding stacked plate. The filling blocks cooperate with the corresponding through holes. The top of the stacked plate has multiple clearance grooves corresponding to the multiple through holes. The multiple clearance grooves are connected to the corresponding through holes. The filling mounting plate is located between the two stacked plate supports of the corresponding stacked plate and between the stacked bottom plate and the corresponding stacked plate. The bottom ends of the multiple filling blocks are connected to the top ends of the filling mounting plate. The two filling cylinders are respectively located at the bottom ends of the stacked bottom plate. The output ends of the filling cylinders pass through the through holes of the stacked bottom plate and are connected to the bottom ends of the filling mounting plate.

10. The stacking device for multiple sheets at once according to claim 1, characterized in that, The system also includes an adhesive applicator, an adhesive applicator robot, a hot-press loading robot, a hot-press unloading robot, a hot-press device, a QR code adhesive applicator, a transfer robot, a testing device, and a feeding conveyor line, all mounted on the top of the frame. The adhesive applicator robot is located to the right of the unloading robot, and the adhesive applicator robot is located in front of both the unloading robot and the adhesive applicator robot. The adhesive applicator robot is used to apply adhesive to the front, rear, left, and right sides of individual battery cells. The unloading robot is also used to transport multiple individual battery cells from the battery cell cutting device to the adhesive applicator robot. The adhesive applicator robot is used to sequentially transport multiple individual battery cells from the unloading robot to the adhesive applicator robot. The hot-press device is located in front of the adhesive applicator robot, and the hot-press loading robot is located between the adhesive applicator robot and the hot-press device. The QR code adhesive applicator, testing device, and feeding conveyor line are arranged from left to right. The hot-press unloading robot is positioned in front of the hot-press device, and to the left of the hot-press device and the QR code adhesive applicator. The transfer robot is positioned between the QR code adhesive applicator and the testing device. The hot-press device is used to hot-press individual battery cells. The hot-press loading robot is used to transfer individual battery cells from the adhesive applicator to the hot-press device. The QR code adhesive applicator is used to apply QR code adhesive to individual battery cells. The testing device is used to perform Hi-pot testing and thickness testing on individual battery cells. The unloading conveyor line is used to transport individual battery cells to the unloading station. The hot-press unloading robot is used to transfer individual battery cells from the hot-press device to the QR code adhesive applicator. The transfer robot is used to transfer individual battery cells from the QR code adhesive applicator to the testing device and to transfer individual battery cells from the testing device to the unloading conveyor line.

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