CN112635846A - Cross cutting lamination all-in-one - Google Patents

Cross cutting lamination all-in-one Download PDF

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Publication number
CN112635846A
CN112635846A CN202011641068.XA CN202011641068A CN112635846A CN 112635846 A CN112635846 A CN 112635846A CN 202011641068 A CN202011641068 A CN 202011641068A CN 112635846 A CN112635846 A CN 112635846A
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CN
China
Prior art keywords
assembly
positive plate
positive
unit
plate
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Pending
Application number
CN202011641068.XA
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Chinese (zh)
Inventor
李剑
宗勇
刘云
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Shenzhen Chengjie Intelligent Equipment Co Ltd
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Shenzhen Chengjie Intelligent Equipment Co Ltd
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Application filed by Shenzhen Chengjie Intelligent Equipment Co Ltd filed Critical Shenzhen Chengjie Intelligent Equipment Co Ltd
Priority to CN202011641068.XA priority Critical patent/CN112635846A/en
Publication of CN112635846A publication Critical patent/CN112635846A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

The invention relates to a die cutting and laminating integrated machine which comprises a machine table, a positive plate cutting device, a positive plate conveying device, a negative plate cutting device, a negative plate conveying device, a positive plate detecting device and a laminating device, wherein the latter six devices are arranged on the machine table; the positive plate conveying device is used for containing the positive plates obtained by cutting by the positive plate cutting device and transferring the positive plates to the laminating device; the negative plate conveying device is used for receiving the negative plates cut by the negative plate cutting device and transferring the negative plates to the laminating device; the positive plate detection device is used for detecting the quality of the positive plate and transferring the defective products in the positive plate to a positive plate defective product storage area; and the lamination device is used for laminating the diaphragm, the positive plate and the negative plate together to form the battery core. After the positive and negative plates are cut, the positive and negative plates can be transferred to the laminating device through the corresponding conveying device to be subjected to battery cell stacking operation, so that the production efficiency can be improved.

Description

Cross cutting lamination all-in-one
Technical Field
The invention belongs to the field of battery production equipment, and particularly relates to a die cutting and laminating all-in-one machine.
Background
The cell is an important component of a lithium battery, and the laminated cell is one of the main types of the cell. The production of the laminated battery core needs to be carried out through the production procedures of pole piece cutting, battery core overlapping and the like, in the production process, after the pole piece is cut by a die cutting machine, the cut pole piece needs to be transferred to a laminating machine, and then the laminating machine is used for carrying out the overlapping work of the battery core.
At present, the work of transferring the pole piece to the laminating machine is mainly completed manually, so that the production efficiency of the battery cell is low.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: to among the prior art, shift to the work of lamination machine with the pole piece and mainly accomplish through the manual work, lead to the lower problem of production efficiency of electric core, provide a cross cutting lamination all-in-one.
In order to solve the technical problem, an embodiment of the invention provides a die-cutting and laminating all-in-one machine, which comprises a machine table, a positive plate cutting device, a positive plate conveying device, a negative plate cutting device, a negative plate conveying device and a laminating device, wherein the positive plate cutting device, the positive plate conveying device, the negative plate cutting device, the negative plate conveying device and the laminating device are all arranged on the machine table; the positive plate cutting device is used for cutting the positive material belt to obtain a positive plate; the positive plate conveying device is arranged at the output end of the positive plate cutting device, is used for containing the positive plates obtained by cutting by the positive plate cutting device and is used for transferring the positive plates to the laminating device; the negative electrode piece cutting device is used for cutting the negative electrode material belt to obtain a negative electrode piece; the negative electrode piece conveying device is arranged at the output end of the negative electrode piece cutting device, is used for containing the negative electrode pieces obtained by cutting by the negative electrode piece cutting device and is used for transferring the negative electrode pieces to the lamination device; the positive plate detection device is used for detecting the quality of the positive plate on the positive plate conveying device and transferring defective products in the positive plate to a positive plate defective product storage area; the lamination device is used for laminating the diaphragm, the positive plate on the positive plate conveying device and the negative plate on the negative plate conveying device together to form the battery core.
After the die-cutting and laminating all-in-one machine provided by the embodiment of the invention cuts the positive plate and the negative plate to obtain the positive plate and the negative plate, the positive plate and the negative plate can be transferred to the laminating device through the corresponding conveying devices, so that the laminating device can superpose each pole piece and the diaphragm into the battery cell, namely, the die-cutting and laminating all-in-one machine can automatically complete the cutting and transportation of the pole pieces and the superposition production work of the battery cell, thereby reducing the labor intensity and improving the production efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a die-cutting lamination all-in-one machine provided by an embodiment of the invention;
fig. 2 is a schematic structural diagram of a positive plate receiving unit of the die-cutting lamination all-in-one machine provided by the invention;
fig. 3 is a schematic diagram of a material taking module in a positive plate receiving unit of the die-cutting lamination all-in-one machine provided by the invention;
fig. 4 is a schematic structural diagram of the discharging component and the positive plate cutting component of the die-cutting and laminating all-in-one machine provided by the invention;
FIG. 5 is a schematic structural diagram of a discharging component of the die-cutting lamination all-in-one machine provided by the invention;
FIG. 6 is an enlarged view of area A of FIG. 1;
FIG. 7 is a schematic structural diagram of a lamination device of the die-cutting lamination all-in-one machine provided by the invention;
fig. 8 is a schematic structural view of a moving blade assembly in a lamination device of the die-cutting lamination all-in-one machine according to an embodiment of the invention;
fig. 9 is a schematic structural diagram of a cell fixing unit in a lamination device of the die-cutting lamination all-in-one machine according to an embodiment of the invention;
fig. 10 is a schematic structural diagram of a rubberizing unit in a lamination device of the die-cutting lamination all-in-one machine according to an embodiment of the invention.
The reference numerals in the specification are as follows:
100. die cutting and laminating all-in-one machine; 1. a machine platform; 2. a positive plate cutting device; 3. a positive plate conveying device; 4. a negative plate cutting device; 5. a lamination device; 11. a lamination support platform; 12. a laminated support frame; 21. a positive sheet roller assembly; 21a, a first positive plate material roller unit; 21b, a second positive plate material roller unit; 21c, a first positive plate receiving unit; 201. a first clamp arm; 202. a second clamp arm; 203. a first driving member; 204. a first connecting arm; 205. a third clamp arm; 206. a fourth clamp arm; 207. a second driving member; 208. a second connecting arm; 209. a third connecting arm; 211. mounting a plate; 212. installing a shaft; 213. a force application module; 214. a cutter module; 215. a material taking module; 216. a first moving part; 217. a second moving part; 2171. a first cylinder; 2172. a second cylinder; 22. a positive plate deviation rectifying assembly; 221. a first force application part; 222. a second force application part; 223. a first clamping portion; 224. a second clamping portion; 23. a positive plate discharging assembly; 231. placing a material bracket; 232. a drive roll; 233. a driven roller; 234. a discharging driving unit; 235. a driven roller driving unit; 236. a pinch roller; 237. a pinch roller drive unit; 24. cutting the positive plate into groups; 241. a shaping unit; 242. a cutting unit; 243. a fixing plate; 244. a support plate; 245. an upper cutting die mechanism; 246. a lower die cutting mechanism; 247. a die cutting driving module; 248. a first shaping driving unit 249 and a second shaping driving unit; 25. a tension control assembly; 31. a first transfer assembly; 32 a second transfer assembly; 33. a third transfer assembly; 51. the membrane unreeling assembly; 52. a lamination assembly; 53. a lamination assembly; 54a, a positive plate temporary storage assembly; 54b a negative plate temporary storage component; 55. the positive plate detection homing component; 56. a cell transfer assembly; 57. a rubberizing component; 571. a battery cell fixing unit; 5711. fixing a bracket; 5712. fixing the mounting rack; 5713. a first fixed driving module; 5714. a second fixed driving module; 5715. a third fixed driving module; 5716. a fourth fixed driving module; 5717. a first stationary jaw; 5718. a second stationary jaw; 572. a rubberizing unit; 5721. rubberizing a support; 5722. a first rubberizing driving module; 5723. a second rubberizing driving module; 5724. a third adhesive driving module; 5725. a fourth rubberizing driving module; 5726. mounting a shaft by using an adhesive tape; 5727. a cutter module; 5728. a mechanical clamp module; 5729. and (6) sticking a rubber plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, in an embodiment, the die-cutting and laminating all-in-one machine 100 includes a machine table 1, a positive plate cutting device 2, a positive plate conveying device 3, a negative plate cutting device 4, a negative plate conveying device and a laminating device 5, wherein the positive plate cutting device 2, the positive plate conveying device 3, the negative plate cutting device 4, the negative plate conveying device and the laminating device 5 are all disposed on the machine table 1. The positive plate cutting device 2 is used for cutting the positive material belt to obtain a positive plate, and the positive plate conveying device 3 is arranged at the output end of the positive plate cutting device 2 and used for containing the positive plate obtained by cutting through the positive plate cutting device 2 and transferring the positive plate to the laminating device 5; the negative electrode piece cutting device 4 is used for cutting the negative electrode material belt to obtain negative electrode pieces, and the negative electrode piece conveying device is arranged at the output end of the negative electrode piece cutting device 4 and is used for containing the negative electrode pieces obtained by cutting through the negative electrode piece cutting device 4 and transferring the negative electrode pieces to the stacking device 5; the lamination device 5 is used for laminating the diaphragm, the positive plate on the positive plate conveying device 3 and the negative plate on the negative plate conveying device together to form a battery core. The die-cutting lamination all-in-one machine 100 provided by the embodiment can transfer the positive plate and the negative plate to the lamination device through the corresponding conveying device after the positive plate and the negative plate are cut, so that the lamination device 5 can superpose each pole piece and the diaphragm into the battery cell, namely, the cutting and transportation of the pole pieces and the superposition production work of the battery cell can be automatically completed through the die-cutting lamination all-in-one machine, thereby reducing the labor intensity and improving the production efficiency.
Machine table 1
In an embodiment, the machine table 1 includes a positive plate cutting support assembly for supporting the positive plate cutting device 2, a positive plate conveying support assembly for supporting the positive plate conveying device 3, a negative plate cutting support assembly for supporting the negative plate cutting device 4, a negative plate conveying support assembly for supporting the negative plate conveying device, and a lamination support assembly for supporting the lamination device 5, and each support assembly may be integrally provided, or one or more of the support assemblies may also be provided independently of other support assemblies.
Positive plate cutting device 2
As shown in fig. 1, in an embodiment, the positive plate cutting device 2 includes a positive plate roller assembly 21, a positive plate deviation rectifying assembly 22, a positive plate discharging assembly 23 and a positive plate cutting assembly 24; the positive plate roller assembly 21, the positive plate deviation rectifying assembly 22, the positive plate discharging assembly 23 and the positive plate cutting assembly 24 are all arranged on the positive plate cutting support assembly. The positive plate discharging assembly 23 is used for discharging a positive plate material roll arranged on the positive plate material roll assembly 21; the positive plate deviation rectifying assembly 22 is positioned between the positive plate roller assembly 21 and the positive plate discharging assembly 23 and is used for supporting and rectifying a positive plate material belt; the positive plate cutting assembly 24 can cut the positive plate material belt discharged from the positive plate material roll on the positive plate material roll assembly 21 to obtain the positive plate.
Positive electrode sheet roller assembly 21
As shown in fig. 1, in an embodiment, the positive electrode sheet roll assembly 21 includes a first positive electrode sheet roll unit 21a, a second positive electrode sheet roll unit 21b and a positive electrode sheet receiving unit 21c, wherein the first positive electrode sheet roll unit 21a, the second positive electrode sheet roll unit 21b and the positive electrode sheet receiving unit 21c are all mounted on the positive electrode sheet support assembly. In the production process, the first positive plate material roller unit 21a and the second positive plate material roller unit 21b can be provided with positive plate material rolls, and the positive plate material discharging assembly 23 can respectively discharge the positive plate material rolls arranged on the two material roller units. The positive plate receiving unit 21c can utilize the adhesive tape to connect the positive plate material belt discharged from the positive plate material roll (defined as a first material roll) on the first positive plate material roll unit 21a with the positive plate material belt discharged from the positive plate material roll (defined as a second material roll) on the second positive plate material roll unit 21b, so that the positive plate discharging assembly 23 can automatically discharge the second material roll after the first material roll is discharged, thereby saving time and improving the production efficiency.
When the device is actually used, the positive plate material roll can be installed on the two material roll units, then the positive plate material roll assembly is used for discharging the first material roll, and the second material roll is used as a standby material roll. When the unwinding of the first material roll is finished, the positive plate receiving unit 21c may connect the tail end of the first material roll and the front end of the second material roll together by using an adhesive tape. Wherein, on material area length direction, the material area has front end and tail end, and the material area is convoluteed to roll up the material back tail end and is located and roll up inside the material, and the front end is located and rolls up the material outside, when unreeling, unreels the subassembly and rotates in order to drive whole material book to the front end application of force, and then realizes rolling up the material and carry out the blowing.
As shown in fig. 2, in an embodiment, the positive plate receiving unit 21c includes a mounting plate 211, a mounting shaft 212, a force application module 213, a cutter module 214, and a material taking module 215; the mounting plate 211 is arranged on the positive plate cutting support assembly, and the mounting shaft 212, the force application module 213, the cutter module 214 and the material taking module 215 are all arranged on the mounting plate 211. The force application module 213 is used for applying force to the front end of the adhesive tape roll mounted on the mounting shaft 212, so as to discharge the adhesive tape roll; after the force application module 213 drives the adhesive tape roll to discharge, the cutter module 214 may cut the adhesive tape to obtain an adhesive tape section (i.e., a section of adhesive tape), and the material taking module 215 may grab the adhesive tape section and may bond the tail end of the first material roll and the front end of the second material roll together by using the grabbed adhesive tape section.
As shown in fig. 2, in an embodiment, the force application module 213 includes a first force application portion 221, a second force application portion 222, a first clamping portion 223, and a second clamping portion 224. The first urging portion 221 and the second urging portion 222 are provided on the mounting plate 211 at intervals in the Y-axis direction, and the first urging portion 221 is closer to the mounting shaft 212 than the second urging portion 222 in the Y-axis direction; the first clamping portion 223 is provided on the first biasing portion 221, and the second clamping portion 224 is provided on the second biasing portion 222, so that the first clamping portion 223 and the second clamping portion 224 are also provided at intervals in the Y-axis direction. The first clamping portion 223 and the second clamping portion 224 can clamp the front end of the tape roll, the first force application portion 221 can drive the first clamping portion 223 to move along the X-axis direction, and the second force application portion 222 can drive the second clamping portion 224 to move along the Y-axis direction.
In the production process, the positive plate receiving unit 21c can work according to the following steps: the first clamping portion 223 can clamp the front end of the adhesive tape roll first, then the first force application portion 221 drives the first clamping portion 223 to move along the positive direction of the Y axis to be close to the second clamping portion 224, at this time, the front end of the adhesive tape roll is also close to the second clamping portion 224, and the process can realize discharging of the adhesive tape roll; then, the front end of the adhesive tape roll is clamped by the second clamping portion 224, and at the moment, the first clamping portion 223 is released without applying force to the adhesive tape; then, the second driving part may drive the second clamping part 224 to move along the positive direction of the Y axis to be away from the first clamping part 223, and further drive the front end of the adhesive tape roll to continue to move along the positive direction of the Y axis to increase the discharging length of the adhesive tape roll, when the second clamping part 224 drives the front end of the adhesive tape roll to move along the positive direction of the Y axis, the first driving part may drive the first clamping part 223 to move back to the initial position along the negative direction of the Y axis, and when the first clamping part 223 returns to the initial position, the adhesive tape may be clamped again, at this time, the material taking module 215 may approach the adhesive tape discharged from the discharging and grasp the adhesive tape, wherein the material taking module 215 grasps the portion of the adhesive tape located between the first clamping part 223 and the second clamping part 224; then, the cutter module 214 approaches the first clamping portion 223 to cut the adhesive tape; then, the second clamping portion 224 releases the adhesive tape; finally, the take-off module 215 may transfer the captured length of tape to the junction of the trailing end of the first roll and the leading end of the second roll and apply the length of tape to the junction of the first roll and the second roll. It can be understood that the front end of the first material roll and the rear end of the second material roll can be bonded together by the operation after the second material roll is completely unreeled.
It will be appreciated that after the tape is cut by the cutter module 214, a portion of the front end of the newly formed roll of tape is exposed to the first clamping portion 223, so as to facilitate the second clamping portion 224 to clamp the tape when next approaching the second clamping portion 224.
As shown in fig. 2, in an embodiment, the first clamping portion 223 includes a first clamping arm 201, a second clamping arm 202 and a first driving member 203, wherein the first clamping arm 201 is fixed on the first force application portion 221, and the second clamping arm 202 is rotatably mounted on the first force application portion 221; the first driving member 203 is installed on the first force application portion 221 and connected to the second clamping arm 202, and the first driving member 203 can drive the second clamping arm 202 to rotate, so that the second clamping arm 202 is close to the first clamping arm 201, and the first clamping arm 201 and the second clamping arm 202 can clamp the adhesive tape.
In one embodiment, the first force application portion 221 and the first driver 203 are both air cylinders, and the first clamp arm 201 and the first driver 203 may be mounted on a piston rod of the first force application portion 221 through a connecting plate or the like; the second clamping arm 202 is rotatably mounted on the cylinder body of the first driving member 203 so as to be rotatable relative to the first force application part 221; the piston rods of the second clamp arm 202 and the first driver 203 are also connected in a rotating manner, wherein the rotating direction of the second clamp arm 202 relative to the first driver 203 is the same as the rotating direction of the second clamp arm 202 relative to the first force application part 221, and the rotating directions of the two rotations are parallel to the Y-axis direction. After the second clamping arm 202 is mounted on the cylinder of the first driving member 203, a lever structure is formed, and the piston rod of the first driving member 203 drives one end of the second clamping arm 202 to apply a force, so that the other end of the second clamping arm 202 can be close to or far away from the first clamping arm 201.
Specifically, as shown in fig. 2, the first clamping portion 223 further includes a first connecting arm 204, one end of the first connecting arm 204 is fixed on the cylinder of the first driving member 203, the other end of the first connecting arm 204 is fixed with a first rotating shaft, and the second clamping arm 202 is rotatably mounted on the first rotating shaft. In an embodiment, the second clamping arm 202 includes a body and a protrusion disposed on the body, the body has a first end and a second end disposed opposite to each other, the protrusion is disposed between the first end and the second end, the protrusion is provided with a through hole, and the first rotating shaft passes through the through hole to realize the rotational connection between the second clamping arm 202 and the first rotating shaft. In addition, the first end of the body is rotatably connected with the piston rod of the first driving member 203, and the second end of the body is used for being matched with the first clamping arm 201 to clamp the adhesive tape. In an actual product, both the first clamping arm 201 and the body can be configured to be a plate-shaped structure.
As shown in fig. 2, in an embodiment, the second clamping portion 224 includes a third clamping arm 205, a fourth clamping arm 206, and a second driving member 207, wherein the second driving member 207 can drive the third clamping arm 205 to move toward the fourth clamping arm 206, so that the third clamping arm 205 and the fourth clamping arm 206 can clamp the adhesive tape.
In an embodiment, the second driving element 207 is an air cylinder, a cylinder body of the second driving element 207 is mounted on the second driving portion, the second clamping portion 224 further includes a second connecting arm 208 and a third connecting arm 209, a first end of the second connecting arm 208 is fixed on the cylinder body of the first driving element 203, and a second end of the second connecting arm 208 is connected to the third clamping arm 205. In addition, the second end of the second connecting arm 208 is also rotatably connected to the middle portion of the third connecting arm 209, the first end of the third connecting arm 209 is rotatably connected to the piston rod of the first driving member 203, and the second end of the third connecting arm 209 is connected to the fourth clamping arm 206. A lever structure is formed between the third connecting arm 209 and the second connecting arm 208, and when the piston rod of the second driving member 207 moves, the second end of the third connecting arm 209 can drive the fourth clamping arm 206 to approach or separate from the third clamping arm 205, so that the third clamping arm 205 and the fourth clamping arm 206 can clamp or release the adhesive tape. In the present embodiment, the direction in which the third connecting arm 209 rotates with respect to the second connecting arm 208 is parallel to the Y-axis direction.
In one embodiment, as shown in fig. 2, the third and fourth clamp arms 205 and 206 are cylindrical structures, and both axes are parallel to the Y-axis direction. In addition, in the present embodiment, the third clamping arm 205 is pivotally connected to the second end of the second connecting arm 208, and the fourth clamping arm 206 is pivotally connected to the second end of the third connecting arm 209.
In an embodiment, the positive plate receiving unit 21c further includes a receiving platform, the first material roll is covered on the receiving platform when the material is fed, when the tail end of the first material roll moves to the receiving platform, the front end of the second material roll can be pulled to the receiving platform through a manual or mechanical arm, and then the positive plate receiving unit 21c can perform the above operation to connect the tail end of the first material roll and the front end of the second material roll together.
In addition, as shown in fig. 2 and 3, in an embodiment, the material taking module 215 includes a first moving portion 216, a second moving portion 217, and a vacuum suction member 218, wherein the first moving portion 216 is mounted on the mounting plate, the second moving portion 217 is mounted on the first moving portion 216, and the vacuum suction member 218 is mounted on the second moving portion 217. The first moving unit 216 can drive the second moving unit 217 and the vacuum suction member 218 to move in synchronization along the X axis, the second moving unit 217 can drive the vacuum suction member 218 to move in the Z axis direction, and the vacuum suction member 218 is in contact with the negative pressure device.
Initially, the first moving portion 216, the second moving portion 217, and the vacuum suction member 218 are located above the second clamping portion 224 and the first clamping portion 223. When receiving the material, the second moving portion 217 moves the vacuum absorbing member 218 along the negative Z-axis direction (i.e., moves downward) to approach the second clamping portion 224, so that the vacuum absorbing member 218 interferes with the material strip between the first clamping portion 223 and the second clamping portion 224; then the negative pressure device works to make the vacuum suction hole on the vacuum suction piece 218 absorb the adhesive tape; after the adhesive tape is cut, the second moving part 217 drives the vacuum suction member 218 to move in the positive direction of the Z axis so as to be away from the second clamping part 224; then the first moving part 216 drives the vacuum absorbing member 218 to move along the positive direction of the X axis so as to be close to the joint of the tail end of the first material roll and the front end of the second material roll; then the second moving part 217 drives the vacuum suction member 218 to move in the Z-axis negative direction to approach and finally abut against the joint of the tail end of the first roll and the front end of the second roll, so that the adhesive tape is bonded to the tail end of the first roll and the front end of the second roll respectively; at this time, the negative pressure device stops working, the second moving portion 217 drives the vacuum absorbing member 218 to move forward and backward along the Z axis to the initial height, and then the first moving portion 216 drives the vacuum absorbing member 218 to move to the initial position along the X axis negative direction, so that the material taking module completes the bonding operation of one material belt.
As shown in fig. 3, in an embodiment, the second moving portion 217 includes two cylinders, which are defined as a first cylinder 2171 and a second cylinder 2172, respectively, wherein a cylinder body of the first cylinder 2171 is fixed on the first moving portion 216, a cylinder body of the second moving portion 217 is fixed on a piston rod of the first cylinder 2171, and a vacuum suction member 218 is fixed on a piston rod of the second cylinder 2172. The production design of the second moving portion 217 can be made simpler by using two air cylinders, and the working stroke of the second moving portion 217 can be increased by using two air cylinders. Further, the first moving portion 216 also employs an air cylinder (defined as a third air cylinder), a cylinder body of the third air cylinder is fixed to the mounting plate, and a cylinder body of the first air cylinder 2171 is fixed to a piston rod of the third air cylinder.
In an embodiment, the first material roller unit includes a first material roller and a first material roller driving module, wherein the first material roller driving module is disposed on the machine platform 1, the first material roller is disposed on the first material roller driving module, the positive plate material roll is mounted on the first material roller, and the first material roller driving module is configured to drive the first material roller to rotate, so as to drive the positive plate material roller to rotate, so as to realize discharging of the positive plate material roller. At this time, the first material roller driving module is equivalent to an auxiliary driving module, so that the positive plate discharging assembly 23 is more convenient to discharge. The first material roller driving module is a motor driving module, the motor driving module includes a motor, a speed reducer and other components, and the connection mode of the motor driving module may be a conventional connection mode, and the embodiment is not described herein.
In an embodiment, the second material roller unit may be arranged in the same manner as the first material roller unit so as to assist in discharging the positive sheet material roll, and this embodiment is not described herein too much.
Positive plate deviation rectifying assembly 22
As shown in fig. 1, in an embodiment, the positive electrode sheet discharging assembly 23 discharges the positive electrode sheet material roll mounted on the positive electrode sheet material roll in the X-axis direction, that is, the positive electrode sheet discharging assembly 23 and the positive electrode sheet material roll assembly 21 are arranged in the X-axis direction, wherein the direction from the positive electrode sheet discharging assembly 23 to the positive electrode sheet material roll assembly 21 is the positive X-axis direction. The positive plate deviation rectifying assembly 22 comprises a deviation rectifying roller and a deviation rectifying driving unit, wherein the deviation rectifying driving unit is arranged on the positive plate cutting supporting assembly, the deviation rectifying roller is rotatably arranged on the deviation rectifying driving unit, and the deviation rectifying roller can support a positive plate material belt when the positive plate material roll arranged on the positive plate material roller is discharged by the positive plate discharging assembly 23. Meanwhile, the deviation correcting driving unit can also drive the deviation correcting roller to move along the Y-axis direction, and further can apply force to the positive plate material belt in the Y-axis direction, so that the positive plate material belt can be corrected when moving along the Y-axis direction. The deviation rectifying mode is as follows: when the positive plate material belt moves towards the positive Y-axis direction, the deviation rectifying driving unit drives the deviation rectifying roller to move along the negative Y-axis direction so as to enable the positive plate material belt to return to a proper position; when the positive plate material belt moves towards the Y-axis negative direction, the deviation rectifying driving unit drives the deviation rectifying roller to move along the Y-axis positive direction, so that the positive plate material belt returns to a proper position.
In one embodiment, the deviation correcting driving unit is a motor driving unit, the motor driving unit comprises a motor and a screw rod mechanism connected with the motor, wherein the motor is fixed on the positive plate cutting support assembly, a main shaft of the motor is connected with a screw rod of the screw rod mechanism, the deviation correcting roller is installed on a nut of the screw rod mechanism, an axis of the screw rod is parallel to the Y axis, and when the motor drives the screw rod to rotate, the deviation correcting roller can be driven to move along the Y axis direction.
Positive plate discharging assembly 23
As shown in fig. 4, in an embodiment, the positive electrode sheet discharging assembly 23 includes a discharging bracket 231, a driving roller 232, a driven roller 233 and a discharging driving unit 234, wherein the discharging bracket 231 is mounted on the machine table 1, and the driving roller 232, the driven roller 233 and the discharging driving unit 234 are mounted on the discharging bracket 231; the driving roller 232 and the driven roller 233 are arranged at intervals along the Z-axis direction, and both the axis of the driving roller 232 and the axis of the driven roller 233 are parallel to the Y-axis direction; the discharging driving unit 234 is connected to the driving roller 232 and is configured to drive the driving roller 232 to rotate, so as to drive the positive electrode sheet material strip located between the driving roller 232 and the driven roller 233 to move along the X-axis direction. In an embodiment, the driving unit of the driving roller 232 is a motor driving unit, and the motor driving unit may include a motor, a speed reducer, and other components, and the structural design of the driving unit is similar to the existing design and will not be described herein.
As shown in fig. 4, in an embodiment, the positive plate discharging assembly 23 further includes a driven roller driving unit 235, the driven roller driving unit 235 is disposed on the discharging bracket 231, the driven roller 233 is mounted on the driven roller driving unit 235, and the driven roller 233 can be driven by the driven roller driving unit 235 to move along the Z-axis direction, so that the driven roller 233 can be close to or away from the driving roller 232, and further the distance between the two can be adjusted, so that the two can not only clamp the positive plate discharging assembly 23 to drive it to move along the X-axis direction, but also can avoid the two from clamping the positive plate material belt.
In one embodiment, the driven roller driving unit 235 is an air cylinder driving unit, that is, the cylinder body of an air cylinder in the air cylinder driving unit is fixed on the discharging bracket 231, and the piston rod of the air cylinder in the air cylinder driving unit is connected with the driven roller 233, so that the air cylinder has the characteristics of a spring by properly setting the air pressure in the air cylinder, and the driven roller 233 further applies proper pressure to the positive plate material strip.
As shown in fig. 4, in an embodiment, the positive plate discharging assembly 23 further includes a pressing wheel 236, the pressing wheel 236 is installed on the discharging support 231 and is located on a side of the driving roller 232 away from the shaping unit, the positive plate material tape transmitted from between the driving roller 232 and the driven roller 233 can be lightly pressed by the pressing wheel 236, the positive plate material tape is prevented from tilting, and the cutting unit is favorable for cutting the positive plate material roll. In addition, the positive electrode sheet discharging assembly 23 further comprises a pinch roller driving unit 237, the pinch roller driving unit 237 is mounted on the discharging support 231, the pinch roller 236 is mounted on the pinch roller driving unit 237, and the pinch roller driving unit 237 can extend out to apply force to the pinch roller 236, so that the pinch roller 236 is abutted to the positive electrode sheet material belt. In one embodiment, the pinch roller driving unit 237 is an air cylinder driving unit, which operates in a similar manner to the driven roller driving unit 235, and the description of the embodiment is not repeated here.
Positive plate cutting assembly 24
As shown in fig. 5, in an embodiment, the positive electrode sheet cutting assembly 24 includes a shaping unit 241 and a cutting unit 242, the shaping unit 241 and the cutting unit 242 are both disposed on the positive electrode sheet cutting support assembly, the shaping unit 241 is located between the positive electrode sheet roller assembly 21 and the positive electrode sheet discharging assembly 23, and the positive electrode sheet discharging assembly 23 is located between the shaping unit 241 and the cutting unit 242, that is, the positive electrode sheet material strip discharged from the positive electrode sheet roller assembly 21 passes through the shaping unit 241 and the positive electrode sheet discharging assembly 23, and then is conveyed to the cutting unit 242.
In an embodiment, the shaping unit 241 is configured to cut the positive electrode sheet material strip to form a positive electrode sheet group formed by sequentially connecting a plurality of positive electrode sheets on the positive electrode sheet material strip, and then the positive electrode sheet discharging assembly 23 continues to drive the positive electrode sheet material strip to move toward the cutting unit 242. The cutting unit 242 is configured to cut the positive electrode sheet group to separate the positive electrode sheets, and after the positive electrode sheets are shaped and cut by the shaping unit 241, the positive electrode sheets are not separated, and the cutting unit 242 operates to separate the positive electrode sheets.
As shown in fig. 5, in an embodiment, the shaping unit 241 includes a fixing plate 243, a support plate 244, an upper die cutting mechanism 245, a lower die cutting mechanism 246, and a die cutting drive module 247, wherein the fixing plate 243 is mounted on the positive electrode sheet cutting support assembly; the supporting plate 244 and the lower die cutting mechanism 246 are both mounted on the fixing plate 243, and are located on one side of the fixing plate 243 far away from the machine table 1, and are arranged at intervals; the die cutting driving module 247 is mounted on the supporting plate 244, and the upper die cutting mechanism 245 is mounted on the die cutting driving module 247 and positioned above the lower die cutting mechanism 246. The die cutting driving module 247 is configured to drive the upper die cutting mechanism 245 to move in the Z-axis direction to move closer to or away from the lower die cutting mechanism 246, wherein when the upper die cutting mechanism 245 is close to the lower die cutting mechanism 246, the upper die cutting mechanism can cooperate with the lower die cutting mechanism 246 to cut the strip of positive electrode sheets therebetween, so as to form a positive electrode sheet group formed by sequentially connecting a plurality of positive electrode sheets on the strip of positive electrode sheets.
As shown in fig. 5, in an embodiment, the shaping unit 241 further includes a first shaping driving portion 248 and a second shaping driving portion 249, the first shaping driving portion 248 is disposed on the positive electrode tab cutting support assembly, the second shaping driving portion 249 is disposed on the first shaping driving portion 248, the fixing plate 243 is fixed on the second shaping driving portion 249, and the support plate 244, the upper die cutting mechanism 245, the lower die cutting mechanism 246, and the die cutting driving module 247 are disposed on a side of the fixing plate 243 away from the second shaping driving portion 249. The first shaping driving part 248 is used for driving the second shaping driving part 249, the fixing plate 243, the supporting plate 244, the upper die cutting mechanism 245, the lower die cutting mechanism 246 and the die cutting driving module 247 to synchronously move along the X-axis direction, and the second shaping driving part 249 is used for driving the fixing plate 243, the supporting plate 244, the upper die cutting mechanism 245, the lower die cutting mechanism 246 and the die cutting driving module 247 to synchronously move along the Y-axis direction.
In actual production, the positional relationship between the upper die cutting mechanism 245 and the positive electrode tab discharging assembly 23 can be adjusted by adjusting the first shaping driving part 248. The positions of the upper die mechanism 245 and the lower die mechanism 246 in the Y-axis direction can be adjusted by adjusting the second shaping driver 249, so that the relative positions between the positive electrode sheet material strip and the upper die mechanism 245 can be adjusted, and the positive electrode sheet material strip passes through the proper position between the upper die mechanism 245 and the lower die mechanism 246.
In one embodiment, the first shaping driving part 248 is a manual driving part, and includes a rotating wheel and a screw rod mechanism, wherein a screw rod of the screw rod mechanism is rotatably mounted on the first shaping driving part 248 through a bearing, a bearing seat, and other parts, the fixing plate 243 is mounted on a nut of the screw rod mechanism, the rotating wheel is connected to the screw rod, and the rotating wheel is manually rotated to rotate the screw rod, so that the nut drives the fixing plate 243, the supporting plate 244, the upper die cutting mechanism 245, the lower die cutting mechanism 246, the die cutting driving module 247, and the like to move along the X-axis direction. The second shaping driving unit 249 is a motor driving unit, which may include a motor, a speed reducer, and other components, and has the same structural design as the motor driving unit.
In one embodiment, the cutter module 242 includes a cutter support, an upper cutter mechanism, a lower cutter mechanism, and a cutter drive. The cutter support is arranged on the machine table 1, and the upper cutter mechanism, the lower cutter mechanism and the cutter driving part are all arranged on the cutter support; the upper cutter mechanism and the lower cutter mechanism are arranged at intervals along the Z-axis direction; the cutter driving part is connected with the upper cutter mechanism and used for driving the upper cutter mechanism to move along the Z-axis direction so as to be close to or far away from the lower cutter mechanism. When the upper cutter mechanism moves along the Z-axis negative direction, the upper cutter mechanism can be close to the lower cutter mechanism so as to cut the positive plate material belt passing between the upper cutter mechanism and the lower cutter mechanism. In addition, in an embodiment, the cutter driving portion is a motor driving portion, and the motor driving portion and the motor driving unit may be configured in the same structure, and a repeated description of this embodiment is not repeated here.
Tension control assembly 25
As shown in fig. 1, in an embodiment, the positive electrode sheet cutting device 2 further includes a tension control assembly 25, and the positive electrode sheet material belt can be tensioned by the tension control assembly 25. In one embodiment, tension control assembly 25 is disposed between positive tab roll assembly 21 and positive tab de-skew assembly 22.
In one embodiment, the tension control assembly 25 includes a first tension roller, a second tension roller, a dancer roller, and a tension drive unit. The first tension roller and the second tension roller are arranged on the machine table 1 at intervals along the Y axis, and the first tension roller is positioned above the second tension roller; the tension driving unit is arranged on the machine table 1, the swing roller is arranged on the tension driving unit through the connecting rod, the swing roller is arranged at one end of the connecting rod, the tension driving unit is connected to the other end of the connecting rod, the swing roller can swing when the tension driving unit rotates, the rotation direction of the tension driving unit is perpendicular to the axis of the swing roller, and the axes of the first tension roller, the second tension roller and the swing roller are parallel.
During the use, first tension roller is walked around in proper order to positive plate material area, swing roller and second tension roller, wherein, first tension roller and second tension roller all can be along X axle positive direction to positive plate material area application of force, the swing roller is located between first tension roller and the second tension roller, and can be along X axle negative direction to positive plate material area application of force, when driving the swing roller swing through tension drive unit like this, alright make positive plate material area tensioning, promptly through the adjustment to swing roller swing angle, alright realize the adjustment to the tension in positive plate material area.
It is understood that, in other embodiments, to adjust the tension of the positive pole piece material strip, other arrangements may be adopted, for example, the first tension roller and the second tension roller may also be arranged at intervals along the X-axis direction, in this case, both the first tension roller and the second tension roller may apply force to the positive pole piece material strip along the positive Z-axis direction, and the swing roller is located between the first tension roller and the second tension roller, and may apply force to the positive pole piece material strip along the negative Z-axis direction.
In one embodiment, the positive electrode cutting device 2 further comprises an auxiliary power assembly, which is disposed between the positive electrode discharging assembly 23 and the positive electrode sheet rolling assembly 21, and is used for applying a force to the positive electrode sheet material strip to move the positive electrode sheet material strip along the negative X-axis direction. Wherein, the auxiliary power subassembly includes auxiliary stand, first auxiliary roller, second auxiliary roller and auxiliary drive unit, auxiliary stand installs on board 1, first auxiliary roller, second auxiliary roller and auxiliary drive unit are all installed on auxiliary stand, first auxiliary roller and second auxiliary roller set up along Z axle direction interval, auxiliary drive unit meets with first auxiliary roller, rotate with first auxiliary roller of drive, and then apply the power of X axle negative direction to the positive plate material area that passes through between first auxiliary roller and the second auxiliary roller.
Negative pole piece cutting device 4
The negative electrode sheet cutting device 4 and the positive electrode sheet cutting device 2 are arranged in the same way, and the embodiment is not repeatedly described.
Positive plate conveying device 3 and positive plate detection device 6
As shown in fig. 1, in an embodiment, the die-cutting lamination all-in-one machine 100 further comprises a positive plate detection device 6 and a negative plate detection device; the positive plate detection device 6 is used for detecting the quality of the positive plates on the positive plate conveying device 3 and transferring the positive plates detected and identified as defective products in the positive plates to a defective product storage area of the positive plates so as to prevent the defective products in the positive plates from being superposed in the battery cell; the negative plate detection device is used for detecting the quality of the negative plates on the negative plate conveying device, and transferring the negative plates detected and identified as defective products in the negative plates to the negative plate defective product storage area so as to prevent the defective products in the negative plates from being superposed in the battery core.
As shown in fig. 7, in an embodiment, the positive electrode tab detecting device 6 includes a size detecting element 61, a front appearance detecting element 62, and a back appearance detecting element 63, and the size detecting element 61, the front appearance detecting element 62, and the back appearance detecting element 63 are all disposed on the machine platform 1.
The positive plate conveying device 3 comprises a first conveying assembly 31, a second conveying assembly 32 and a third conveying assembly 33, wherein the second conveying assembly 32 is located at the output end of the first conveying assembly 31 and used for containing the positive plates conveyed out of the first conveying assembly 31, and the third conveying assembly 33 is located at the output end of the second conveying assembly 32 and used for containing the positive plates conveyed out of the second conveying assembly 32.
The size detection component 61 is located above the first transmission component 31 and is used for shooting the positive plate located on the first transmission component 31, so that the processing unit can judge the size of the positive plate, wherein the processing unit can be a processor installed on the machine platform 1 in the die-cutting lamination all-in-one machine 100 or a background server in remote communication connection with the die-cutting lamination all-in-one machine 100. The back appearance detection assembly 63 is positioned below the second conveying assembly 32 and is used for shooting the back of the positive plate, so that the processing unit can judge the front quality of the positive plate; the front appearance detection assembly 62 is located above the third conveying assembly 33 and is used for shooting the front surface of the positive plate, so that the processing unit judges the front quality of the positive plate.
In the actual production process, the electrode plate on the first conveying assembly 31 is positioned above the first conveying assembly 31, and the front surface of the positive electrode plate is in contact with the first conveying assembly 31; the electrode plate on the second conveying assembly 32 is positioned below the second conveying assembly 32, and the back surface of the positive electrode plate is in contact with the second conveying assembly 32; the electrode sheet on the third conveyor assembly 33 is positioned above the third conveyor assembly 33, and the front surface of the positive electrode sheet is in contact with the third conveyor assembly 33.
Wherein, be equipped with the vacuum adsorption unit on the second transport module 32 to the back of the positive plate of absorption avoids positive plate to drop from second transport module 32. Specifically, in an embodiment, the second conveying assembly 32 includes a conveying belt mechanism, a vacuum suction port is provided on a belt of the conveying belt, and the belt is connected to a negative pressure device, so that the belt of the second conveying assembly 32 can absorb the positive pole piece. In addition, in some embodiments, the first conveying assembly 31 and the third conveying assembly 33 are also in a conveyor belt structure, the first conveying assembly 31 and the third conveying assembly 33 are both used for supporting and placing the surfaces of the positive electrode plates in a flush manner (i.e., the two surfaces are defined as a first surface and a second surface, and the first surface and the second surface are flush, which means that the two surfaces are at the same height relative to the ground), the feeding end of the second conveying assembly 32, which is located on the surface (defined as a third surface) for adsorbing the positive electrode plates, is located above the first surface, and the discharging end is located above the second surface.
In one embodiment, the dimension detecting assembly 61 includes a first driving unit, a pressing plate, a light source (defined as a first light source 611) and a camera (a first camera 612), wherein the first driving unit, the first light source 611 and the first camera 612 are all installed on the machine table 1, and the pressing plate is installed on the first driving unit; the first driving unit is used for driving the pressing plate to move along the Z-axis direction so as to abut against the positive plate placed on the positive plate conveying device 3; the pressing plate is a transparent plate, so that light emitted by the first light source 611 can be projected onto the positive plate located between the pressing plate and the positive plate conveying device 3 (i.e. between the pressing plate and the first conveying assembly 31); the first camera 612 is used to photograph the positive plate between the platen and the first transfer assembly.
In this embodiment, the positive plate can be avoided tilting through the conflict pressure testing of clamp plate for the detection to positive plate size is more accurate, and setting up through first light source 611 simultaneously can make first camera 612 have better imaging, and then improves the precision to positive plate size detection.
As shown in fig. 7, in an embodiment, the back appearance detecting assembly 63 includes a second light source 631 and a second camera 632, wherein the second light source 631 is configured to project light to the positive electrode plate on the second conveying assembly 32, so as to improve the shooting effect of the second camera 632, and further improve the accuracy of detecting the back appearance of the positive electrode plate.
As shown in fig. 7, in an embodiment, the front appearance detecting assembly 62 includes a third light source 621 and a third camera 622, and the third light source 621 is used for projecting light to the positive plate on the third conveying assembly 33 to improve the shooting effect of the third camera 622, so as to improve the accuracy of the front appearance detection of the positive plate. In one embodiment, each of the cameras may be a CCD camera.
As shown in fig. 7, in an embodiment, the positive electrode tab detecting device 6 further includes a first dust removing assembly 64, the first dust removing assembly 64 is disposed between the size detecting assembly 61 and the cutting unit 242, the first dust removing assembly 64 is opposite to the first conveying assembly 31 and is disposed above the first conveying assembly 31, and the first dust removing assembly is used for removing dust and other foreign matters on the positive electrode tabs placed on the first conveying assembly 31. The first dust removing assembly 64 may be a vacuum absorption assembly to remove dust and other impurities on the positive electrode sheet by vacuum absorption.
As shown in fig. 7, in one embodiment, the positive electrode tab detecting device 6 further includes a second dust removing assembly 65, the second dust removing assembly 65 is disposed between the size detecting assembly 61 and the back surface appearance detecting assembly 63, the second dust removing assembly 65 is opposite to the second conveying assembly 32 and is disposed below the second conveying assembly 32, and the second dust removing assembly 65 is used for removing dust and other foreign matters on the positive electrode tabs placed on the second conveying assembly 32. The second dust removing assembly 65 may be a vacuum adsorption assembly to remove impurities such as dust on the positive electrode sheet by vacuum adsorption.
As shown in fig. 7, in one embodiment, the positive electrode tab detecting device 6 further includes a third dust removing assembly 66, the third dust removing assembly 66 is disposed between the back surface appearance detecting assembly 63 and the front surface appearance detecting assembly 62, the third dust removing assembly 66 is opposite to the third conveying assembly 33 and disposed above the third conveying assembly 33, and the third dust removing assembly 66 is used for removing dust and other foreign matters on the positive electrode tabs placed on the third conveying assembly 33. The third dust removing assembly 66 may be a vacuum adsorption assembly, so as to remove impurities such as dust on the positive electrode sheet by vacuum adsorption.
As shown in fig. 7, in an embodiment, the positive electrode tab detecting device 6 further includes a manipulator assembly 67, the manipulator assembly 67 is disposed between the front appearance detecting assembly 62 and the lamination device 5, the manipulator assembly 67 is used for transferring defective products in the positive electrode tabs on the conveying device to a defective product placing area, and the manipulator assembly 67 is used for transferring good products in the positive electrode tabs on the conveying device to the lamination device 5. In addition, during actual production, the defective product storage area can be a tray placed on the machine table 1.
In one embodiment, the manipulator assembly 67 includes a pick-and-place unit and a grabbing unit, wherein the pick-and-place unit is disposed on the positive plate cutting support assembly, and the grabbing unit is disposed on the pick-and-place unit. The pick-and-place unit is used for driving the grabbing unit to move along the Z-axis direction so as to enable the grabbing unit to be close to the third conveying assembly 33 of the conveying device, and therefore the grabbing unit can grab the positive plates on the third assembly. In one embodiment, the pick-and-place unit is a cylinder driving unit, and the grabbing unit is a vacuum adsorption unit.
In an embodiment, the manipulator assembly 67 further includes a rotating unit, the rotating unit is disposed on the positive plate cutting support assembly, the picking and placing units are disposed on the rotating unit, the number of the picking and placing units and the number of the grabbing units are both greater than or equal to two, the picking and placing units and the grabbing units are in one-to-one correspondence, each picking and placing unit is provided with one grabbing unit, one picking and placing unit and the grabbing unit disposed thereon can be regarded as one grabbing module, and each grabbing module is disposed around the rotating unit. The rotating unit may be a motor driving unit, and is configured to drive the grabbing modules to rotate, so that each grabbing module can grab the positive plate on the third conveying assembly 33. In addition, in the actual product, each grabbing module is evenly arranged around the rotation axis of the rotating unit.
It will be appreciated that in the above embodiment, the robot assembly 67 moves the good positive electrode sheets from the conveyor to the stacking device instead of a part of the conveyor, and the robot assembly 67 may be considered as a part of the conveyor. In other embodiments, the robot assembly may simply remove the defective positive plates from the conveyor, and the defective positive plates are directly conveyed to the lamination device by the conveyor (e.g., the third conveyor assembly).
Negative plate detection device
The negative plate detection device and the positive plate detection device are arranged in the same manner, and the description of the embodiment is not repeated.
Lamination device 5
As shown in fig. 6, in an embodiment, the lamination device 5 includes a membrane unwinding assembly 51, a lamination assembly 52, and a displacement assembly 53, wherein the displacement assembly 53 is used for alternately stacking the positive electrode plate and the negative electrode plate on the lamination assembly 52 in sequence along the Z-axis direction; the membrane unwinding assembly 51 is used for discharging the materials onto the laminated assembly 52, so that the membranes are superposed on the laminated assembly 52; the moving sheet assembly 53 and the separator unwinding assembly 51 may be alternately operated such that both sides of the positive electrode sheet placed on the laminated sheet assembly 52 and both sides of the negative electrode sheet are covered with the separators.
As shown in fig. 6, the lamination support assembly comprises a lamination support platform 11 and a lamination support bracket 12, wherein the lamination assembly 52 and the lamination support are both mounted on the lamination support platform 11 in a spaced arrangement; the membrane unwinding assembly 51 and the displacement assembly 53 are mounted on the lamination support frame 12 such that they are spaced apart from the lamination support platform 11.
Membrane unwinding assembly 51
In one embodiment, the membrane unwinding assembly 51 includes a membrane discharging unit and a discharging power unit, the discharging power unit is disposed on the laminated sheet support frame 12, the membrane discharging unit is disposed on the discharging power unit, and the discharging power unit is configured to drive the membrane discharging unit to move back and forth along the Y-axis direction, so that the membranes discharged by the membrane discharging unit are stacked on the laminated sheet assembly 52 along a zigzag manner. After the diaphragm discharging unit moves to the maximum stroke along the positive direction of the Y axis each time and moves to the maximum stroke along the negative direction of the Y axis each time, the moving sheet assembly 53 places a pole piece on the diaphragm according to the positive pole piece and the negative pole piece in a sequential and alternate mode. In the battery core formed by stacking in this way, two adjacent pole pieces are respectively a positive pole piece and a negative pole piece, the two adjacent pole pieces are separated by a diaphragm, and in addition, both sides of any one pole piece in the Z-axis direction (i.e. in the stacking direction of the pole pieces of the battery core) are covered by the diaphragm.
In an embodiment, the membrane blowing unit has first membrane installation axle and second membrane installation axle, and these two epaxial membrane material of installing can install respectively and roll up, can roll up another epaxial membrane material to carry out the blowing like this when the membrane material of one of them epaxial installation is rolled up and is unreeled and finish to can improve production efficiency.
In an embodiment, the membrane unwinding assembly 51 further includes a membrane splicing unit, and the membrane splicing unit is disposed on the lamination support frame 12 and is used for connecting two membrane material belts mounted on the shafts together, so that after one membrane material roll is unwound, the other membrane material roll mounted on the shaft can be discharged without stopping the machine.
In one embodiment, the membrane tape splicing unit comprises a first membrane tape pressing module, a second membrane tape pressing module, a first membrane cutter module, a second membrane cutter module and a third membrane cutter module. The first diaphragm belt pressing module can apply force to the diaphragm material belt, and the diaphragm material belt is pressed on the second diaphragm belt pressing module in a propping manner; the first diaphragm cutter module, the second diaphragm cutter module and the third diaphragm cutter module can cut the diaphragm material belt, wherein the first diaphragm cutter module is located between the second diaphragm belt pressing module and the second diaphragm mounting shaft, and the second diaphragm cutter module and the third diaphragm cutter module are located on one side, away from the first diaphragm, of the second diaphragm belt pressing module and cut the module.
In an embodiment, the first diaphragm mounting shaft and the second diaphragm mounting shaft are arranged at intervals along the Z-axis direction, and the first diaphragm mounting shaft is positioned above the second diaphragm mounting shaft; the first diaphragm strip pressing module and the second diaphragm strip pressing module are arranged along the Z-axis direction, and the first diaphragm strip pressing module is positioned above the second diaphragm strip pressing module; the second diaphragm cutter module and the third diaphragm cutter module are arranged at intervals along the Z-axis direction, and the second diaphragm cutter module is positioned above the third diaphragm cutter module; the two areas (the first area) where the mounting shafts are located and the two areas (defined as the second area) where the belt pressing modules are located are arranged at intervals along the Y-axis direction, and the area (defined as the third area) where the first diaphragm cutter module is located between the first area and the second area; the region in which the second diaphragm cutter module and the third diaphragm cutter module are located (defined as a fourth region) is located on the side of the second region remote from the third region.
Assuming that the membrane material roll on the first membrane installation shaft is a first material roll, and the membrane material roll on the second membrane installation shaft is a second material roll, in the production process, the membrane material belts discharged by the first material roll and the second material roll pass through the space between the two film pressing modules, assuming that the first material roll is discharged first, when the first material roll is discharged, an operator can pull the front end of the second material roll down between the two film pressing modules, at the moment, the membrane material belt of the second material roll is positioned below the membrane material belt of the first material roll, and meanwhile, a double-sided adhesive tape can be manually pasted on the membrane material belt of the second material roll; then, controlling the action of the first diaphragm film pressing module to press the diaphragm material belts unreeled from the first material roll and the diaphragm material belts unreeled from the second material roll on the second diaphragm film pressing module, and bonding the material belts of the two material rolls together through a double-sided adhesive tape; the first membrane cutter module may then cut the first roll of web between the first area and the second area and the third membrane cutter module cuts the second roll of membrane web between the second area and the fourth area. The reason for providing the first diaphragm cutter module is mainly because: during actual production, the membrane material belt is wound on a material disc to form a material coil, the material disc is installed on a first membrane installation shaft or a second membrane installation shaft, when material coil discharging is completed, the tail end of the material belt is still fixed on the corresponding installation shaft through the material disc, and therefore the part, located between the first area and the second area, of the membrane material belt needs to be cut off during tape splicing so that the material coil can be taken off and installed on the installation shaft again through the material disc.
When the second material roll is completely unreeled, an operator pulls the front end of the first material roll between the two film pressing modules, after the two material rolls are extruded and connected together, the first diaphragm cutter module cuts off the part, located between the first area and the second area, of the material strip discharged by the second material roll, and the second diaphragm cutter module cuts off the part, located between the second area and the fourth area, of the second material roll.
Lamination assembly 52
In one embodiment, the lamination assembly 52 includes a mounting base plate disposed on the lamination support platform 11, a lamination table, a first lifting unit, a second lifting unit, a first pressing plate, and a second pressing plate, the first pressing plate being disposed on the first lifting unit, the second pressing plate being disposed on the second lifting unit. The lamination table is used for bearing the pole piece and the diaphragm; the first lifting unit is used for driving the first pressing plate element to move along the Z-axis direction to be close to or far away from the lamination table, so that the first pressing plate can press the pole piece and the diaphragm placed on the lamination table; the second lifting unit is used for driving the second pressing plate to move along the Z-axis direction so as to be close to or far away from the lamination table, so that the second pressing plate can press the pole piece and the diaphragm which are placed on the lamination table, wherein the first pressing plate and the second pressing plate are arranged at intervals in the X-axis direction and are respectively positioned on two sides of the lamination table.
In an embodiment, the lamination assembly 52 further includes a longitudinal driving unit disposed on the mounting base plate, and the first lifting unit and the second lifting unit are disposed on the longitudinal driving unit, and the longitudinal driving unit can drive the first lifting unit and the second lifting unit to move relatively or back to back along the X-axis direction. When the first lifting unit and the second lifting unit move back to back, the first pressing plate and the second pressing plate are far away from the lamination table, and interference caused by operations of placing a pole piece on the lamination table or placing a diaphragm on the lamination table and the like can be avoided; when the first lifting unit and the second lifting unit move oppositely, the first pressing plate and the second pressing plate can move above the lamination platform, and when the first lifting unit and the second lifting unit act, the first pressing plate and the second pressing plate can press on the lamination platform.
In one embodiment, the longitudinal driving unit includes a motor, a screw rod, bearings, a bearing seat, and two nuts (defined as a first nut and a second nut), wherein the bearing seat is fixed on the mounting base plate, two bearings are respectively mounted at two ends of the screw rod, and then the screw rod is mounted on the fixing base through the cooperation of the bearings and the bearing seat. The motor is connected with one end of the screw rod and used for driving the screw rod to rotate. The axis of the screw rod is parallel to the X-axis direction, and the screw rod is provided with a first section of thread section and a second section of thread section in the axial direction of the screw rod, and the thread spiral directions of the two thread sections are opposite. The first nut is matched with the first threaded section, the second nut is matched with the second threaded section, the first lifting unit is arranged on the first nut, and the second lifting unit is arranged on the second nut. When the motor rotates forwards, the two nuts can move relatively to approach each other, so that the first pressing plate and the second pressing plate are driven to approach each other; when the motor reverses, the two nuts can move back to each other to be away from each other, and then the first pressing plate and the second pressing plate are driven to be away from each other.
In an actual product, the first lifting unit, the second lifting unit, the first pressing plate, the second pressing plate and the longitudinal driving unit form a pressing module, in an embodiment, two pressing modules are provided, and the two pressing modules are spaced along the Y-axis direction, that is, the lamination assembly 52 has two first pressing plates and two second pressing plates, and these four pressing plates can form a rectangular pressing fixing space.
During production, a layer of diaphragm (a first layer of diaphragm, at this time, it is assumed that the discharge unit is located at the maximum stroke in the negative direction of the Y axis) may be discharged on the lamination table, and then a pole piece is placed on the first layer of diaphragm (the pole piece is the first layer of pole piece) by using the moving piece assembly 53; then, two ends of the first layer of pole piece are pressed and fixed on the lamination table by using the four pressing plates, the first layer of diaphragm is also pressed and fixed on the lamination table at the moment, then the discharging power unit drives the discharging unit to move along the positive direction of the Y axis, and the diaphragm in the fixed space cannot move, so that the diaphragm covers the four pressing plates when the discharging unit moves along the positive direction of the Y axis, and the second layer of diaphragm is formed at the moment; subsequently, the first pressing plate and the second pressing plate move back to be away from the lamination table, and then the other pole piece is placed on the second layer of diaphragm by using the moving piece assembly 53 to form a second layer of pole piece; then, driving the first pressing plate and the second pressing plate to ascend to proper positions, driving the first pressing plate and the second pressing plate to move relatively, enabling the four pressing plates to move above the lamination table again, and then driving the four pressing plates to move downwards again so as to press the second layer of pole piece, the second layer of diaphragm, the first layer of pole piece and the first layer of diaphragm on the lamination table; and then, the discharging power unit drives the discharging unit to move along the Y-axis negative direction so as to form a third layer of diaphragm on the laminating table, and the steps are repeated until the number of layers of the pole pieces and the diaphragm meets the requirement, and the diaphragm is cut off by a corresponding cutter so as to obtain the battery cell, wherein the battery cell at the moment can be called as a primary battery cell.
In one embodiment, lamination assembly 52 further includes a vertical drive unit disposed on the mounting base plate and the lamination table is disposed on the vertical drive unit for driving the lamination table to move in the Z-axis direction. During the lamination process, the total thickness of the pole piece and the diaphragm on the lamination table is gradually increased, which may affect the normal operation of the first pressing plate and the second pressing plate, so that after a period of lamination on the lamination table, the vertical driving unit drives the lamination table to move along the Z-axis negative direction to increase the distance between the lamination table and the first pressing plate (and the second pressing plate).
In an embodiment, the lamination assembly 52 further includes a transverse driving unit, the transverse driving unit is disposed on the lamination supporting platform 11, the mounting base plate is disposed on the transverse driving unit, and the transverse driving unit is configured to drive the longitudinal driving unit, the vertical driving unit, the first lifting unit, the second lifting unit, the lamination table, the first pressing plate and the second pressing plate to move along the Y-axis direction, so as to adjust a position relationship between the lamination assembly 52 and the membrane unwinding assembly 51 in the Y-axis direction relative to the machine table 1, so that the membrane unwinding assembly 51 can unwind the membrane to a proper position on the lamination table.
Moving blade assembly 53
The sheet moving assembly 53 comprises a first sheet moving driving unit 531, a second sheet moving driving unit 532 and a first sheet sucking unit 533, wherein the first sheet moving driving unit 531 is arranged on the laminated sheet support frame 12, the second sheet moving driving unit 532 is arranged on the first sheet moving driving unit 531, and the first sheet sucking unit 533 is arranged on the second sheet moving driving unit 532; the first sheet moving driving unit 531 is used for driving the second sheet moving driving unit 532 and the first sheet sucking unit 533 to move along the Y-axis direction, the second sheet moving driving unit 532 is used for driving the first sheet sucking unit 533 to move along the Z-axis direction, and the first sheet sucking unit 533 is connected with the negative pressure device to grab the pole sheet.
The lamination device 5 is provided with a positive plate temporary storage assembly 54a, and the manipulator assembly can place a positive plate in good product on the positive plate temporary storage assembly 54 a. First sheet moving driving unit 531 can drive first sheet sucking unit 533 to move to the top of positive sheet temporary storage assembly 54a along the Y-axis negative direction, then second sheet moving driving unit 532 drives first sheet sucking unit 533 to move along the Z-axis negative direction so that first sheet sucking unit 533 can abut against the positive sheet placed on positive sheet temporary storage assembly 54a, and then the negative pressure device works to make first sheet sucking unit 533 grab the positive sheet. Then, the second film-moving driving unit 532 drives the first film-sucking unit 533 to ascend to a proper position, then the first film-moving driving unit 531 drives the first film-sucking unit 533 to move to the position above the lamination table along the positive direction of the Y axis, and then the second film-moving driving unit 532 drives the first film-sucking unit 533 to move to a proper position along the negative direction of the Z axis; then, the negative pressure device stops working, so that the first suction sheet unit 533 can place the positive electrode sheet on the lamination table; then, the second sheet moving driving unit 532 drives the first suction unit 533 to move to a proper position in the positive Z-axis direction, and finally, the first sheet moving driving unit 531 drives the first suction unit 533 to move to an initial position in the negative Y-axis direction. As can be appreciated, the initial position of first suction pad unit 533 is located between the lamination table and positive electrode sheet temporary storage assembly 54 a.
Correspondingly, the lamination device 5 is also provided with a similar design so as to place the negative electrode sheets on the lamination table. Specifically, as shown in fig. xx, the sheet moving assembly 53 includes a third sheet moving driving unit 534, a fourth sheet moving driving unit 535, and a second sheet sucking unit 536, wherein the third sheet moving driving unit 534 is disposed on the lamination support frame 12, the fourth sheet moving driving unit 535 is disposed on the third sheet moving driving unit 534, and the second sheet sucking unit 536 is disposed on the fourth sheet moving driving unit; the third sheet-moving driving unit 534 is used for driving the fourth sheet-moving driving unit 535 and the second sheet-sucking unit 536 to move along the Y-axis direction, the fourth sheet-moving driving unit 535 is used for driving the second sheet-sucking unit 536 to move along the Z-axis direction, and the second sheet-sucking unit 536 is connected with a negative pressure device to grab the pole piece.
The lamination device 5 is provided with a negative plate temporary storage assembly 54b, and the manipulator assembly of the negative plate cutting device 4 can place the negative plates in good quality on the negative plate temporary storage assembly 54 b. The temporary storage assemblies 54a and 54b of the positive electrode plates are disposed at two sides of the lamination assembly 52 at intervals along the Y-axis direction, and during actual production, the working modes of the third plate moving driving unit 534, the fourth plate moving driving unit 535, and the second plate sucking unit 536 may refer to the working modes of the first plate moving driving unit 531, the second plate driving unit, and the first plate unit, which is not described herein.
In one embodiment, two first suction units 533 are provided, and the two first suction units 533 are spaced apart from each other in the Y-axis direction on the second sheet moving driving unit 532. In operation, the two first suction units 533 can respectively grab a positive plate from the positive plate temporary storage assembly 54a, and then move to the lamination assembly 52, so that the number of times that the first suction units 533 move from the lamination assembly 52 to the positive plate temporary storage assembly 54a can be reduced, and the production efficiency can be improved. Similarly, the second suction pad unit 536 may be designed similarly to improve productivity. In addition, in some embodiments, the number of the first suction sheet unit 533 and the second suction sheet unit 536 may be set to be plural, where the space allows, so as to further improve the production efficiency.
Positive plate detection homing assembly 55
As shown in fig. 7, in one embodiment, the lamination device 5 further includes a positive plate detection homing assembly 55, and the positive plate detection homing assembly 55 includes a first detection driving module, a second detection driving module, a third detection driving module, a support stage, and a camera (defined as a fourth camera). The first detection driving module is arranged on the lamination supporting platform 11, the second detection driving module is arranged on the first detection driving module, the third detection driving module is arranged on the second detection driving module, the supporting platform is arranged on the third detection driving module, and the fourth camera is arranged on the lamination supporting frame 12. The first detection driving module is used for driving the second detection driving module, the third detection driving module and the supporting table to move along the X-axis direction; the second detection driving module is used for driving the third detection driving module and the supporting table to move along the Y-axis direction; the third detection driving module is used for supporting the inclination of the platform; the fourth camera can be a CCD camera, and is used for shooting and imaging the positive plate placed on the supporting table, so that the processing unit can judge whether the positive plate on the supporting table is inclined or not, whether the position is proper or not and whether the quality is qualified or not, wherein whether the position for detecting the positive plate is proper or not is mainly to detect whether the position of the positive plate relative to the supporting table in the X-axis direction and the Y-axis direction is proper or not, and whether the quality for detecting the positive plate is qualified or not is mainly to detect whether the four corners of the positive plate have bad problems such as tilting and dog-ear angles.
During operation, the moving sheet assembly 53 firstly places the grabbed positive plate on the supporting table so as to detect whether the positive plate is inclined and whether the quality is proper. If the quality is deemed to be inappropriate, the tab moving assembly 53 will move the positive tab to the positive tab waste collection assembly. If the position is determined to be not appropriate, the position of the positive plate is adjusted to be appropriate through the first detection driving module and the second detection driving module. If the pole piece is determined to incline, the positive pole piece is taken away by the piece moving assembly 53, then the third detection driving module is controlled to work according to the detected inclination angle of the positive pole piece, so that the supporting table inclines towards the same direction by the same angle, then the piece moving assembly 53 places the positive pole piece taken away previously on the inclined supporting table again, then the third detection driving module drives the supporting table to reset, further drives the positive pole piece to deflect and incline so that the positive pole piece is corrected, and finally the piece moving assembly 53 moves the corrected positive pole piece to the lamination assembly 52 for lamination operation.
In one embodiment, the positive plate scrap collecting assembly includes a collecting support fixed on the lamination support platform 11, a first collecting driving unit mounted on the collecting support, a second collecting driving unit mounted on the first collecting driving unit, and a collecting box mounted on the second collecting driving unit. The first collection driving unit is used for driving the second collection driving unit and the collection box to synchronously move along the Z-axis direction, and the second collection driving unit is used for driving the collection box to move along the X-axis direction.
In one embodiment, the positive electrode scrap collecting assembly and the positive electrode detecting and returning assembly 55 are arranged at intervals along the X-axis direction, and the positive electrode detecting and returning assembly 55 is closer to the moving plate assembly 53 than the positive electrode collecting assembly. That is, the direction from the positive plate scrap collecting assembly to the positive plate detection homing assembly 55 is the positive X-axis direction.
When the positive plate on the positive plate detection returning assembly 55 is judged to be waste, the moving plate assembly 53 will grab the positive plate from the positive plate detection returning assembly 55. At this time, the first collecting driving unit drives the collecting box to ascend to a proper position along the positive direction of the Z axis, then the second collecting driving unit drives the collecting box to move to the lower side of the sheet moving assembly 53 along the positive direction of the X axis, and at this time, the sheet moving assembly 53 prevents the grabbed positive plate from being used in the waste material box.
Negative plate detection homing assembly
In an embodiment, the lamination device 5 further has a negative plate detection homing assembly, wherein the negative plate detection homing assembly can be arranged in the same manner as the positive plate detection homing assembly 55, and the description of the embodiment is not repeated here.
As shown in fig. 6, in an embodiment, the lamination device 5 further includes a cell transfer assembly 56 and a cell rubberizing assembly 57, where the cell transfer assembly 56 is configured to transfer the stacked cells on the lamination table to the cell rubberizing assembly 57, so that the cell rubberizing assembly 57 can rubberize the cells to prevent the stacked separators, positive plates, and negative plates from scattering.
Battery cell transfer assembly 56
In an embodiment, the cell transfer assembly 56 includes a first transfer driving unit, a second transfer driving unit, a third transfer driving unit, a fourth transfer driving unit, a fifth transfer driving unit, and a clamping jaw unit, wherein the first transfer driving unit is disposed on the lamination support frame 12, the second transfer driving unit is disposed on the first transfer driving unit, the third transfer driving unit is disposed on the second transfer driving unit, the fourth transfer driving unit is disposed on the third transfer driving unit, the fifth transfer driving unit is disposed on the fourth transfer driving unit, and the clamping jaw unit is disposed on the fifth transfer driving unit. The first transfer driving unit is used for driving the second transfer driving unit, the third transfer driving unit, the fourth transfer driving unit, the fifth transfer driving unit and the clamping jaw unit to synchronously move along the X-axis direction; the second moving driving unit is used for driving the third transfer driving unit, the fourth transfer driving unit, the fifth transfer driving unit and the clamping jaw unit to synchronously move along the Y-axis direction; the third moving driving unit is used for driving the fourth moving driving unit, the fifth transferring driving unit and the clamping jaw unit to synchronously move along the Z axis; the fourth transfer driving unit is used for driving the fifth transfer driving unit and the clamping jaw unit to synchronously rotate, wherein the rotating direction is vertical to the Z axis; and the fifth mobile driving unit is used for driving the clamping jaw unit to act so as to clamp or release the battery holding core.
The operation of the cell transfer assembly 56 is generally as follows: after the battery cells are stacked, the first transfer driving unit drives the clamping jaw unit to move to a proper position along the positive direction of the X axis, then the second transfer driving unit drives the clamping jaw unit to move to a proper position along the negative direction of the Y axis, then the fifth transfer driving unit drives the clamping jaw unit to act so as to clamp the battery cells placed on the lamination table, then the second transfer driving unit drives the clamping jaw unit to move to an initial position along the positive direction of the Y axis, and then the third transfer driving unit drives the clamping jaw unit to ascend to a proper position; then, the fourth transfer driving unit drives the clamping jaw unit to rotate, so as to move the battery cell to the battery cell rubberizing assembly 57; then, the fifth transfer driving unit drives the clamping jaw unit to act so as to place the battery cell on the battery cell rubberizing assembly 57; then, the fourth transfer driving component drives the clamping jaw unit to rotate to the initial position; then, the first transfer driving component drives the clamping jaw unit to move to the initial position along the X-axis negative direction; then, the third transfer drive unit drives the gripper unit to move to the initial position in the Z-axis negative direction.
In one embodiment, the gripper unit comprises a first transfer gripper and a second transfer gripper, wherein the fifth transfer drive unit has a drive section and a movable section, the drive section being fixed to the fourth transfer drive unit, the first transfer gripper being fixed to the drive section, and the second transfer gripper being fixed to the movable section. The drive division can drive the movable part and move and then drive the second and transfer splint and be close to or keep away from first transfer splint along Y axle direction for first transfer splint and second transfer splint can the centre gripping or loosen electric core. In addition, in one embodiment, the second transfer nip is located below the first transfer nip. In one embodiment, the fifth transfer driving unit is a cylinder unit, a cylinder body of a cylinder in the cylinder unit is a driving portion, and a piston of the cylinder is a movable portion. In addition, the transfer driving modules and the transfer driving units can adopt one or any combination of motor driving, cylinder driving, electromagnet driving and the like according to actual needs.
In order to avoid interference generated when the clamping jaw unit clamps the battery cell, in an embodiment, an avoiding notch is formed in the lamination table, and the clamping jaw unit clamps the battery cell from the avoiding notch. In one embodiment, the lamination station includes a plurality of sub-platforms spaced apart along the X-axis, and the gap between two adjacent sub-platforms is visible as a portion of the relief notch. Correspondingly, the second transfer clamping plate is of a toothed structure, each tooth can be placed in a gap between the sub-platforms, and therefore the second fish catching clamping plate can clamp and fix the battery cell with the first transfer clamping plate when moving to the first transfer clamping plate.
Battery core rubberizing assembly 57
As shown in fig. 1, in an embodiment, the cell adhesive coating assembly 57 includes a cell fixing unit 571 and an adhesive coating unit 572, where the cell fixing unit 571 and the adhesive coating unit 572 are both disposed on the lamination supporting platform 11, the cell fixing unit 571 is configured to store and fix the cell transferred by the cell transferring assembly 56, and the adhesive coating unit 572 is configured to apply adhesive to the cell fixed on the cell fixing unit 571.
As shown in fig. 9, in an embodiment, the cell fixing unit 571 includes a fixing bracket 5711, a fixing mounting bracket 5712, a first fixing driving module 5713, a second fixing driving module 5174, a third fixing driving module 5715, a fourth fixing driving module 5716, a first fixing clamping plate 5717, and a second fixing clamping plate 5718. A fixed bracket 5711 fixedly installed on the lamination support platform 11, and a first fixed driving module 5713 provided on the fixed bracket 5711 so as to be spaced apart from the lamination support platform 11; the second fixed drive module 5174 is arranged on the first fixed drive module 5713, the fixed mounting frame 5712 is arranged on the second fixed drive module 5174, the third fixed drive module 5715 and the fourth fixed drive module 5716 are both arranged on the fixed mounting frame 5712, the first fixed clamp plate 5717 is arranged on the third fixed drive module 5715, and the second fixed clamp plate 5718 is arranged on the fourth fixed drive module 5716.
The first fixed driving module 5713 is used for driving the fixed mounting frame 5712, the second fixed driving module 5174, the third fixed driving module 5715, the fourth fixed driving module 5716, the first fixed clamping plate 5717 and the second fixed clamping plate 5718 to synchronously move along the Y-axis direction; the second fixed driving module 5174 is used for driving the fixed mounting frame 5712, the third fixed driving module 5715, the fourth fixed driving module 5716, the first fixed clamping plate 5717 and the second fixed clamping plate 5718 to synchronously rotate, wherein the rotation direction is vertical to the Z axis; the third fixing driving module 5715 is configured to drive the first fixing clamp plate 5717 to move along the Z-axis direction so as to be close to the second fixing clamp plate 5718, so that the first fixing clamp plate 5717 and the second fixing clamp plate 5718 can clamp and fix the battery cell; the fourth fixing driving module 5716 is configured to drive the second fixing clamp plate 5718 to move along the Z-axis direction so as to be close to the first fixing clamp plate 5717, so that the first fixing clamp plate 5717 and the second fixing clamp plate 5718 can clamp and fix the battery cell. The fixed driving modules can adopt one or any combination of motor driving, cylinder driving, electromagnetic driving and the like according to actual needs.
When the cells need to be rubberized, the first fixing driving module 5713 drives the first fixing clamping plate 5717 and the second fixing clamping plate 5718 to move along the Y-axis negative direction so as to be close to the cell transferring assembly 56; then, the third and fourth fixed driving modules 5715 and 5716 drive the first and second fixed clamping plates 5717 and 5718 to move away from each other, so that the clamping jaw unit of the cell transfer assembly 56 can place the cell between the first and second fixed clamping plates 5717 and 5718; then, the third fixing driving module 5715 and the fourth fixing driving module 5716 drive the first fixing clamp plate 5717 and the second fixing clamp plate 5718 to move relatively so as to clamp and fix the battery cell, wherein when the battery cell is clamped by the first fixing clamp plate 5717 and the second fixing clamp plate 5718, the stacking direction of the battery cell is parallel to the Z-axis direction; the tape sticking unit 572 may pull a tape from a first surface of the cell to a second surface of the cell, so that the tape is stuck and contacted with the first surface, a side surface, and the second surface of the cell, respectively, where the first surface and the second surface are opposite to each other, the first surface is a surface of the cell for contacting with the first fixing splint 5717, the second surface is a surface of the cell for contacting with the second fixing splint 5718, and a direction from the first surface to the second surface is parallel to a stacking direction of each pole piece in the cell; after the rubberizing unit 572 finishes rubberizing one side of electric core, the electric core that the fixed drive module 5174 drive of second was fixed between first fixed plate and second solid fixed splint 5718 rotates certain angle, make the opposite side of electric core aim at rubberizing unit 572, rubberizing unit 572 can carry out the rubberizing operation to the electric core again this moment, then rubberizing unit 572 is each time after the rubberizing is accomplished, second fixed drive module 5174 can drive electric core and shift certain angle, make rubberizing unit 572 rubberize other surfaces of electric core, this operation is repeated and is carried out until the rubberizing to electric core satisfies the predetermined requirement.
As shown in fig. 10, in an embodiment, the rubberizing unit 572 includes a rubberizing supporting member 5721, a first rubberizing driving module 5722, a second rubberizing driving module 5723, a third rubberizing driving module 5724, a fourth rubberizing driving module 5725, a tape mounting shaft 5726, a cutter module 5727, and a mechanical clamping module 5728. Wherein, rubberizing support piece 5721 sets up on lamination supporting platform 11, first rubberizing drive module 5722 sets up on rubberizing support piece 5721, second rubberizing drive module 5723 sets up on first rubberizing drive module 5722, third rubberizing drive module 5724, fourth rubberizing drive module 5725, sticky tape installation axle 5726 and mechanical clamp module 5728 all set up on second rubberizing drive module 5723, cutter module 5727 sets up on fourth rubberizing drive module 5725.
In an actual product, the rubberizing unit 572 further has a rubberizing plate 5729, the rubberizing plate 5729 is disposed on the second rubberizing driving module 5723, and the third rubberizing driving module 5724, the fourth rubberizing driving module 5725, the tape mounting shaft 5726, the cutter module 5727, and the mechanical clamping module 5728 are disposed on the rubberizing plate 5729.
The first rubberizing driving module 5722 is used for driving the second rubberizing driving module 5723, the third rubberizing driving module 5724, the fourth rubberizing driving module 5725, the adhesive tape mounting shaft 5726, the cutter module 5727 and the mechanical clamping module 5728 to synchronously move along the Z-axis direction; the second rubberizing driving module 5723 is used for driving the third rubberizing driving module 5724, the fourth rubberizing driving module 5725, the adhesive tape mounting shaft 5726, the cutter module 5727 and the mechanical clamping module 5728 to synchronously move along the X-axis direction; the adhesive tape roll is arranged on the adhesive tape mounting shaft 5726; the third adhesive tape sticking driving module 5724 is used for discharging an adhesive tape roll; the front end of the discharged adhesive tape is clamped by the mechanical clamping module 5728, so that the adhesive tape can be adhered to the battery cell; the fourth rubberizing driving module 5725 is used for driving the cutter module 5727 to move along the X axis so as to cut off the adhesive tape.
During gluing, the second gluing driving module 5723 moves the mechanical clamp module 5728 in the negative X-axis direction to approach the cell, so that the adhesive tape is glued on the upper surface of the cell (wherein the mechanical clamp module 5728 can clamp and fix the front end of the adhesive tape when not gluing, and can release the adhesive tape when gluing); then the second rubberizing driving module 5723 drives the mechanical clamping module 5728 to move a certain distance along the positive direction of the X axis so that the adhesive tape can be attached to the edge position of the upper surface of the battery cell; then, the first rubberizing driving module 5722 drives the mechanical clamping module 5728 to move to a proper position along the Z-axis negative direction, so that the adhesive tape is attached to the lower edge of the side surface of the cell from the upper edge of the side surface; then, the second taping drive module 5723 drives the mechanical clamp module 5728 to move to a proper position along the negative X-axis direction, so that the tape is attached to a proper length on the lower surface; then, the fourth rubberizing driving module 5725 drives the cutter module 5727 to move along the negative direction of the X axis to cut off the adhesive tape; then the fourth gluing module drives the cutter module 5727 to move to the initial position along the positive direction of the X axis, and the second gluing module drives the mechanical clamp module 5728 to move to the initial position along the positive direction of the X axis; the first rubberizing drive module 5722 then drives the mechanical gripper module 5728 to move in the positive Z-axis direction to an initial position.
As shown in fig. 10, in an embodiment, the third paste driving module 5724 includes a first paste applying portion 572a, a second paste applying portion 572b, a first supporting rod 572c, and a second supporting rod 572 d; the first rubberizing urging portion 572a, the second rubberizing urging portion 572b, the first support lever 572c, and the second support lever 572d are provided on the rubberizing plate 5729. The first support bar 572c and the second support bar 572d are arranged at intervals, the discharged adhesive tape firstly bypasses the first support bar 572c and then bypasses the second support bar 572d, and the first adhesive tape force application member is used for applying force to the adhesive tape between the first support bar 572c and the second support bar 572d so as to discharge the adhesive tape roll; the second adhesive applying portion 572b may apply a force to the adhesive tape so that the adhesive tape is pressed against the second supporting bar 572d before the first adhesive applying portion 572a applies a force to the adhesive tape. Thus, when the first adhesive applying force applying portion 572a applies force to the adhesive tape, on the tape roll discharging path, the adhesive tape on the side of the second support bar 572d away from the first support bar 572c does not move between the two support bars, and the adhesive tape on the side of the first support bar 572c away from the second support bar 572d moves between the two support bars to discharge the adhesive tape roll, so that the two force applying portions can be stopped from being driven to apply force to the adhesive tape when the cell is adhered.
As shown in fig. 10, in an embodiment, the first support bar 572c and the second support bar 572d are disposed at intervals along the X-axis direction, the first rubberizing force applying portion 572a and the second rubberizing force applying portion 572b may both apply force to the tape between the two support bars from top to bottom, and the first rubberizing force applying portion 572a and the second rubberizing force applying portion 572b may both be disposed above the two support bars; in production, the adhesive tape may pass under the first support bar 572c and pass over the second support bar 572 d.
In one embodiment, each of the first and second adhesive applying portions 572a and 572b includes a cylinder, and when the cylinder is operated, the adhesive tape is applied with a force by a piston rod of the cylinder. In addition, the first rubberizing urging portion 572a further includes a pressing piece 572e, the pressing piece 572e is mounted on the piston rod, and when the ventilation of the air cylinder of the first rubberizing urging portion 572a is stopped, the pressing piece 572e can tighten the tape between the two support rods under the action of its own weight.
In an embodiment, the above-mentioned membrane unwinding assembly 51, the lamination assembly 52, the moving assembly 53, the positive plate detection homing assembly 55, the negative plate detection homing assembly, and the cell transfer assembly 56 can be regarded as a lamination module 5 a. In this embodiment, the lamination modules 5a are provided in two, and the two lamination modules are arranged at intervals along the X-axis direction, and the cells stacked by the two lamination modules can be subjected to the rubberizing operation by using the same cell rubberizing assembly 57.
In one embodiment, the positive plate temporary storage assembly 54a is a conveyor assembly, which can drive the positive plates placed thereon to move along the X-axis direction, so as to transfer the positive plates to two lamination modules respectively. In addition, the cathode plate temporary storage assembly 54b is a conveyor belt assembly, and the conveyor belt assembly can drive the cathode plates placed thereon to move along the X-axis direction, so as to transfer the cathode plates to the two lamination modules respectively.
It can be understood that the setting manner in the above embodiments may also be replaced according to actual requirements, for example:
in other embodiments, the motor drive and the cylinder drive can be interchanged according to actual requirements, and the motor drive and the cylinder drive can be replaced by adopting hydraulic drive, electromagnetic drive and other drive modes.
In other embodiments, the screw mechanism in the above embodiments may be replaced with a mechanism that can convert a rotational motion into a linear motion, such as a rack and pinion mechanism.
In other embodiments, the arrangement orientation in the above embodiments may also be adjusted according to actual conditions, as long as each component can normally operate.
In other embodiments, the positive electrode sheet cutting device may not be provided with the positive electrode sheet roller assembly and the positive electrode sheet discharging assembly, that is, the discharging device for the positive electrode sheet may not belong to the die-cutting and laminating all-in-one machine. Similarly, the device for discharging the membrane by the lamination device does not belong to the die-cutting lamination all-in-one machine.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A die cutting and laminating integrated machine is characterized by comprising a machine table, a positive plate cutting device, a positive plate conveying device, a negative plate cutting device, a negative plate conveying device and a laminating device, wherein the positive plate cutting device, the positive plate conveying device, the negative plate cutting device, the negative plate conveying device, the positive plate detecting device and the laminating device are all arranged on the machine table;
the positive plate cutting device is used for cutting the positive material belt to obtain a positive plate;
the positive plate conveying device is arranged at the output end of the positive plate cutting device and is used for containing the positive plates obtained by cutting by the positive plate cutting device and transferring the contained positive plates to the laminating device;
the negative electrode piece cutting device is used for cutting the negative electrode material belt to obtain a negative electrode piece;
the negative electrode piece conveying device is arranged at the output end of the negative electrode piece cutting device and is used for containing the negative electrode pieces obtained by cutting by the negative electrode piece cutting device and transferring the contained negative electrode pieces to the laminating device;
the lamination device is used for stacking the diaphragm, the positive plate and the negative plate together to form the battery core.
2. The die-cutting and laminating all-in-one machine as claimed in claim 1, wherein the positive plate cutting device comprises a positive plate roller assembly, a positive plate deviation rectifying assembly, a positive plate discharging assembly and a positive plate cutting assembly; the positive plate roller assembly, the positive plate deviation rectifying assembly, the positive plate discharging assembly and the positive plate cutting assembly are all arranged on the machine table;
the positive plate discharging assembly is used for discharging a positive plate material roll arranged on the positive plate material roll assembly; the positive plate deviation rectifying assembly is positioned between the positive plate stock roller assembly and the positive plate discharging assembly and is used for rectifying deviation of the positive plate material belt; the cutting assembly can cut the positive plate material belt discharged from the positive plate material roll on the positive plate material roll assembly to obtain the positive plate.
3. The die-cutting and laminating all-in-one machine according to claim 2, wherein the positive plate roll assembly comprises a first positive plate roll unit, a second positive plate roll unit and a positive plate receiving unit, and the first positive plate roll unit, the second positive plate roll unit and the positive plate receiving unit are all arranged on the machine table;
the first positive electrode material roller unit is used for mounting a positive electrode sheet material roll, and the positive electrode sheet discharging assembly can discharge the positive electrode sheet material roll mounted on the first positive electrode material roller unit;
the second positive electrode material roller unit is used for mounting a positive electrode sheet material roll, and the positive electrode sheet discharging assembly can discharge the positive electrode sheet material roll mounted on the second positive electrode material roller unit;
the positive plate receiving unit can utilize an adhesive tape to connect a positive plate material belt discharged by a positive plate material roll on the first positive plate material roller unit and a positive plate material belt discharged by a positive plate material roll on the second positive plate material roller unit together, so that the positive plate discharging assembly can discharge the positive plate material roll on the other one after the positive plate material roll on one of the first positive plate material roller unit and the second positive plate material roller unit is discharged.
4. The die-cutting and laminating all-in-one machine according to claim 3, wherein the positive plate receiving unit comprises a mounting plate, a mounting shaft, a force application module, a cutter module and a material taking module; the mounting plate is arranged on the machine table, and the mounting shaft, the force application module, the cutter module and the material taking module are all arranged on the mounting plate;
the force application module is used for applying force to the front end of the adhesive tape roll arranged on the mounting shaft so as to discharge the adhesive tape roll;
the cutter module is used for cutting off the adhesive tape to obtain an adhesive tape section; the material taking module is used for grabbing adhesive tape sections and connecting the positive material tape discharged by the positive material roll on the first positive material roll unit with the positive material tape discharged by the positive material roll on the second positive material roll unit by using the grabbed adhesive tape sections;
the force application module includes: the clamping device comprises a first force application part, a second force application part, a first clamping part and a second clamping part; the first force application part and the second force application part are arranged on the mounting plate at intervals along the Y-axis direction, the first clamping part is arranged on the first force application part, and the second clamping part is arranged on the second force application part;
the first clamping part is used for clamping the front end of the adhesive tape roll, and the first force application part is used for driving the first clamping part to move along the Y-axis direction so as to enable the front end of the adhesive tape roll to be close to the second clamping part, so that the second clamping part can clamp the front end of the adhesive tape roll;
the second force application part is used for driving the second clamping part to move along the Y-axis direction so as to be far away from the first clamping part.
5. The die-cutting and laminating all-in-one machine as claimed in claim 2, wherein the positive plate cutting assembly comprises a shaping unit and a cutting unit, the shaping unit and the cutting unit are both arranged on the machine table, the shaping unit is located between the positive plate roller assembly and the positive plate discharging assembly, and the positive plate discharging assembly is located between the shaping unit and the cutting unit;
the shaping unit is used for cutting the positive plate material belt so as to enable the positive plate material belt to form a positive plate group formed by sequentially connecting a plurality of positive plates;
the cutting unit is used for cutting the positive plate group so as to separate the positive plates.
6. The die-cutting and laminating all-in-one machine as claimed in claim 2, wherein the deviation correcting assembly comprises a deviation correcting driving unit and a deviation correcting roller, the deviation correcting driving unit is arranged on the machine table, the deviation correcting roller is rotatably arranged on the deviation correcting driving unit, and the deviation correcting roller is used for supporting the positive plate material belt discharged by the positive plate discharging assembly; the positive plate discharging assembly can be installed in a driving mode, positive plate material rolls on the positive plate material roller are discharged along the X-axis direction, the deviation rectifying driving unit can drive the deviation rectifying roller to move along the Y-axis direction so as to rectify a deviation of the positive plate material belt and prevent the positive plate material belt from moving in the Y-axis direction.
7. The die-cutting lamination all-in-one machine according to claim 1, further comprising a positive plate detection device and a negative plate detection device; the positive plate detection device is used for detecting the quality of the positive plate on the positive plate conveying device and transferring the positive plate detected as a defective product to a positive plate defective product storage area; the negative plate detection device is used for detecting the quality of the negative plates on the negative plate conveying device and transferring the negative plates detected as defective products to a negative plate defective product storage area;
the positive plate detection device comprises a size detection assembly, the size detection assembly comprises a first driving unit, a pressing plate, a light source and a camera, the first driving unit, the light source and the camera are all installed on the machine table, and the pressing plate is installed on the first driving unit; the first driving unit is used for driving the pressing plate to move along the Z-axis direction so as to abut against one side, away from the positive plate conveying device, of a positive plate placed on the positive plate conveying device; the pressing plate is a transparent plate, so that light rays emitted by the light source can be projected onto the positive plate positioned between the pressing plate and the positive plate conveying device; the camera is used for shooting the positive plate positioned between the pressing plate and the positive plate conveying device.
8. The die-cutting lamination all-in-one machine according to claim 7, wherein the positive plate detection device further comprises a front appearance detection assembly and a back appearance detection assembly, and the front appearance detection assembly and the back appearance detection assembly are arranged on the machine table;
the positive plate conveying device comprises a first conveying assembly, a second conveying assembly and a third conveying assembly, wherein the second conveying assembly is located at the output end of the first conveying assembly and used for bearing the positive plates conveyed out of the first conveying assembly, and the third conveying assembly is located at the output end of the second conveying assembly and used for bearing the positive plates conveyed out of the second conveying assembly;
the electrode plate on the first conveying assembly is positioned above the first conveying assembly, and the front surface of the positive electrode plate is in contact with the first conveying assembly; the electrode plate on the second conveying assembly is positioned below the second conveying assembly, and the back surface of the positive electrode plate is in contact with the second conveying assembly; the electrode plate on the third conveying assembly is positioned above the third conveying assembly, and the front surface of the positive electrode plate is in contact with the third conveying assembly; the second conveying assembly is provided with a vacuum adsorption unit for adsorbing the positive plate, so that the positive plate is prevented from falling off from the second conveying assembly;
the size detection assembly is positioned above the first conveying assembly and used for shooting the positive plate positioned on the first conveying assembly, so that the processing unit can judge the size of the positive plate;
the back appearance detection assembly is positioned below the second conveying assembly and used for shooting the back of the positive plate, so that the processing unit can judge the front quality of the positive plate;
the front appearance detection assembly is positioned above the third conveying assembly and used for shooting the front of the positive plate, so that the processing unit judges the front quality of the positive plate.
9. The die-cutting lamination all-in-one machine according to claim 1, wherein the lamination device comprises a membrane unwinding assembly, a lamination assembly, a sheet moving assembly and a cell rubberizing assembly, and the membrane unwinding assembly, the lamination assembly and the sheet moving assembly are all arranged on the machine table;
the moving sheet assembly is used for alternately superposing the positive electrode sheet and the negative electrode sheet on the laminated sheet assembly in sequence along the Z-axis direction;
the membrane unwinding assembly is used for discharging materials onto the laminated assembly, so that the membrane is superposed on the laminated assembly; the moving sheet assembly and the diaphragm unreeling assembly can work alternately, so that two sides of a positive plate and two sides of a negative plate which are placed on the laminated sheet assembly are covered by diaphragms;
the battery core rubberizing assembly is used for rubberizing the battery core to enable the adhesive tape to extend from the first surface to the second surface of the battery core, wherein the first surface and the second surface of the battery core are opposite to each other, and the direction from the first surface to the second surface is parallel to the overlapping direction of each pole piece in the battery core.
10. The die-cutting and laminating all-in-one machine according to claim 9, wherein the cell rubberizing assembly comprises a cell fixing unit and a rubberizing unit, wherein the cell fixing unit and the rubberizing unit are both arranged on the machine table, the cell fixing unit is used for fixing the cell transferred by the cell transferring assembly, and the rubberizing unit is used for rubberizing the cell fixed on the cell fixing unit;
the rubberizing unit comprises a rubberizing supporting piece, a first rubberizing driving module, a second rubberizing driving module, a third rubberizing driving module, a fourth rubberizing driving module, a rubber belt mounting shaft, a cutter module and a mechanical clamp module; the machine table comprises a machine table, a first rubberizing driving module, a second rubberizing driving module, a third rubberizing driving module, a fourth rubberizing driving module, a tape mounting shaft and a mechanical clamping module, wherein the rubberizing supporting piece is arranged on the machine table, the first rubberizing driving module is arranged on the rubberizing supporting piece, the second rubberizing driving module is arranged on the first rubberizing driving module, the third rubberizing driving module, the fourth rubberizing driving module, the tape mounting shaft and the mechanical clamping module are all arranged on the second rubberizing driving module, and the cutter module is arranged on the fourth rubberizing driving module;
the first rubberizing driving module is used for driving the second rubberizing driving module, the third rubberizing driving module, the fourth rubberizing driving module, the adhesive tape mounting shaft, the cutter module and the mechanical clamp module to synchronously move along the Z-axis direction; the second rubberizing driving module is used for driving the third rubberizing driving module, the fourth rubberizing driving module, the adhesive tape mounting shaft, the cutter module and the mechanical clamp module to synchronously move along the X-axis direction; the third adhesive tape sticking driving module is used for discharging an adhesive tape roll arranged on the adhesive tape mounting shaft; the mechanical clamping module is used for clamping the front end of the adhesive tape so that the adhesive tape can be pasted on the battery cell; the fourth adhesive tape sticking driving module is used for driving the cutter module to move along the X axis so as to cut off the adhesive tape;
the third rubberizing driving module comprises a first rubberizing force application part, a second rubberizing force application part, a first supporting rod and a second supporting rod; the first supporting rod and the second supporting rod are used for supporting an adhesive tape, and are arranged at intervals along the X-axis direction; the first adhesive tape applying element is used for applying force to the adhesive tape positioned between the first supporting rod and the second supporting rod so as to discharge an adhesive tape roll; the second adhesive tape applying part can apply force to the adhesive tape so as to press the adhesive tape on the second supporting rod.
CN202011641068.XA 2020-12-31 2020-12-31 Cross cutting lamination all-in-one Pending CN112635846A (en)

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