CN118040085A - Cylindrical battery core winding machine - Google Patents
Cylindrical battery core winding machine Download PDFInfo
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- CN118040085A CN118040085A CN202410260620.2A CN202410260620A CN118040085A CN 118040085 A CN118040085 A CN 118040085A CN 202410260620 A CN202410260620 A CN 202410260620A CN 118040085 A CN118040085 A CN 118040085A
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- 238000004804 winding Methods 0.000 title claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 128
- 238000007599 discharging Methods 0.000 claims abstract description 48
- 230000002950 deficient Effects 0.000 claims abstract description 47
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 12
- 230000006872 improvement Effects 0.000 description 9
- 239000000758 substrate Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
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- 210000000078 claw Anatomy 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- 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
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- 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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Abstract
The invention discloses a cylindrical battery core winding machine which comprises a winding module, a feeding module and a discharging module, wherein the feeding module comprises an inner side belt path module and an outer side belt path module, the inner side belt path module and the outer side belt path module are respectively used for feeding a group of base materials, the base materials comprise a positive plate, a negative plate and a diaphragm, the winding module is used for winding the two groups of base materials into two battery cores, the discharging module is used for discharging the battery cores and rejecting defective products, the feeding module comprises a pole piece unreeling mechanism, a diaphragm unreeling mechanism, a tension control mechanism, an automatic deviation correcting mechanism and a feeding manipulator, and the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are provided with an inner station and an outer station to form the inner side belt path module and the outer side belt path module. The invention can realize the simultaneous winding of the double battery cores for one time without mutual interference, realize one-out-of-two functions, improve the production efficiency, remove defective products before winding and improve the production yield.
Description
Technical Field
The invention relates to the technical field of battery manufacturing, in particular to a cylindrical battery core winding machine.
Background
Along with the rapid development of the lithium battery industry, the requirements of battery manufacturers on the production efficiency of lithium battery equipment are higher and higher, wherein the battery cells are integrally formed by winding a positive plate, a negative plate and a diaphragm, and in the process of producing the battery cells by using an automatic lithium battery winding machine, the common winding equipment usually only has one battery cell after single winding is finished, the production efficiency is lower, and the production yield is greatly reduced due to the fact that the traditional process mechanism is complex and the synchronous coordination capability is general.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the cylindrical battery core winding machine which can realize the simultaneous winding of double battery cores for one time without mutual interference, realize one-out-two functions, improve the production efficiency, remove defective products before winding and improve the production yield.
The technical scheme adopted for solving the technical problems is as follows:
The cylindrical battery cell winding machine comprises a winding module, a feeding module and a discharging module, wherein the feeding module comprises an inner side belt path module and an outer side belt path module, the inner side belt path module and the outer side belt path module are respectively used for feeding a group of base materials, the base materials comprise positive plates, negative plates and diaphragms, the winding module is used for winding the two groups of base materials into two battery cells, and the discharging module is used for discharging the battery cells and rejecting defective products;
The feeding module comprises a pole piece unreeling mechanism, a diaphragm unreeling mechanism, a tension control mechanism, an automatic deviation correcting mechanism and a feeding manipulator, wherein the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are respectively provided with two groups and are symmetrically arranged on the left side and the right side of the winding module, and the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are respectively provided with a front station and a rear station to form an inner side belt path module and an outer side belt path module;
The automatic deviation correcting mechanism comprises a feeding clamping assembly, the feeding clamping assembly comprises a feeding rubber roller, a feeding smooth roller, a first feeding driving piece and a second feeding driving piece, the first feeding driving piece is used for driving the feeding rubber roller to be close to or far away from the feeding smooth roller, the second feeding driving piece is used for driving the feeding smooth roller to rotate, the feeding rubber roller is used for clamping and conveying a pole piece when being close to the feeding smooth roller, the feeding manipulator comprises a feeding clamp assembly and a cutter assembly, the feeding clamp assembly comprises two clamping plates and clamping driving pieces used for the two clamping plates to be close to or far away from each other, the two clamping plates are used for clamping the pole piece when being close to each other so as to stop pole piece travelling, and the cutter assembly is used for cutting off the pole piece;
the winding module comprises a winding needle and a winding driving piece for driving the winding needle to rotate, wherein the winding needle is provided with an inner winding position and an outer winding position along the length direction of the winding needle, and the inner winding position and the outer winding position are respectively used for winding two groups of base materials;
The discharging module comprises a discharging mechanism, a battery cell conveying belt and a defective product removing mechanism, wherein the discharging mechanism is used for conveying the wound battery cells from the winding module to the battery cell conveying belt, and the defective product removing mechanism is used for detecting defective product battery cells on the battery cell conveying belt and removing the defective product battery cells from the battery cell conveying belt.
As a further improvement of the technical scheme, the automatic deviation rectifying mechanism further comprises an unreeling deviation rectifying assembly, a process deviation rectifying assembly, a pre-reeling deviation rectifying assembly, a feeding head deviation rectifying assembly and a CCD alignment degree feedback assembly, and the pre-reeling deviation rectifying assembly is used for adjusting the position of the pole piece when the pole piece is fed into the reeling position.
As a further improvement of the technical scheme, the correcting assembly before rolling comprises a mounting plate, a supporting plate, a correcting sensor, a first correcting driving piece and a second correcting driving piece, wherein the supporting plate is connected to the mounting plate in a sliding mode, the first correcting driving piece is used for driving the supporting plate to slide on the mounting plate, the feeding clamping assembly and the second correcting driving piece are mounted on the supporting plate, and the second correcting driving piece is used for driving two ends of the feeding rubber roller to move independently or simultaneously.
As a further improvement of the technical scheme, the feeding manipulator comprises a manipulator seat plate and a linear guide rail, the feeding clamp assembly is arranged on the linear guide rail through a clamp base, the clamp base can slide relative to the manipulator seat plate through the linear guide rail, the manipulator seat plate is provided with a clamp transmission mechanism, and the clamp transmission mechanism is used for driving the clamp base to slide on the manipulator seat plate.
As a further improvement of the technical scheme, the feeding clamp assembly comprises a sheet feeding connecting bracket and two sheet feeding unidirectional rubber covered rollers rotationally connected to the sheet feeding connecting bracket, wherein a sheet is positioned between the two sheet feeding unidirectional rubber covered rollers for sheet feeding, and the sheet sequentially passes between the two sheet feeding unidirectional rubber covered rollers and between the two clamping plates when the sheet is in tape feeding.
As a further improvement of the technical scheme, the two clamping plates of the feeding clamp assembly are divided into a first clamping plate and a second clamping plate, the first clamping plate is fixed on the sheet feeding connecting support, the second clamping plate is connected to the sheet feeding connecting support in a sliding manner, and the clamping driving piece is arranged on the sheet feeding connecting support and drives the second clamping plate to be close to or far away from the first clamping plate.
As a further improvement of the technical scheme, the cutter assembly is arranged on the linear guide rail through a cutter base, the cutter base can slide relatively with the manipulator seat board through the linear guide rail, the manipulator seat board is provided with a cutter transmission mechanism, and the cutter transmission mechanism is used for driving the cutter base to slide on the manipulator seat board.
As a further improvement of the technical scheme, the cutter assembly comprises a guillotine cutter, a pressing component and a protection plate, wherein the pressing component is used for pressing the pole piece so that the guillotine cutter cuts off the pole piece, and the protection plate is located above the winding module.
As a further improvement of the technical scheme, the cutter assembly further comprises a negative pressure dust collection component, and a dust collection port of the negative pressure dust collection component is opposite to the position of the guillotine cutter for cutting off the pole piece and is used for sucking dust generated when the pole piece is cut off.
As a further improvement of the technical scheme, the discharging mechanism comprises a linear discharging assembly and a rotary discharging assembly, the linear discharging assembly comprises a linear module and a first clamping jaw bottom plate arranged at the movable end of the linear module, a first discharging clamp and a first clamping jaw cylinder for driving the first discharging clamp to open and close are arranged on the first clamping jaw bottom plate, when the first discharging clamp is closed, a wound battery cell on the winding needle is clamped, and the linear module drives the first clamping jaw bottom plate to move so as to take the battery cell from the winding needle and move the battery cell to a discharging position; the rotary blanking assembly comprises a rotary module and a second clamping jaw bottom plate arranged at the movable end of the rotary module, a second blanking clamp and a second clamping jaw cylinder for driving the second blanking clamp to open and close are arranged on the second clamping jaw bottom plate, a battery cell positioned at a blanking level is clamped when the second blanking clamp is closed, and the rotary module drives the second clamping jaw bottom plate to rotate and is used for moving the battery cell to a receiving level on a battery cell conveying belt.
The beneficial effects of the invention are as follows:
The winder is provided with the inner and outer double-belt paths for synchronous winding, and is matched with the defective product removing mechanism of the blanking module, so that the production efficiency of single-time battery cell winding is improved, and the defective rate of battery cells produced by the winder is reduced.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is an assembled schematic view of a cylindrical cell winder of the present invention;
FIG. 2 is a schematic diagram of a combination of a feeding robot, a winding module and a discharging mechanism according to the present invention;
FIG. 3 is a schematic view of a right hand feed robot of the present invention;
FIG. 4 is an exploded view of the right hand feed robot of the present invention;
FIG. 5 is a schematic view of a feed clip assembly of the present invention;
FIG. 6 is a schematic diagram of a combination of a pre-roll deskew assembly and a feed clamp assembly according to the present invention;
FIG. 7 is a schematic diagram of a combination of a winding module and a blanking module according to the present invention;
FIG. 8 is a schematic view of a discharge mechanism of the present invention;
FIG. 9 is a schematic view of a linear blanking assembly of the present invention;
FIG. 10 is a schematic view of a rotary blanking assembly of the present invention.
Reference numerals: 1. a winder substrate; 2. an inner positive plate unreeling mechanism; 3. an unwinding mechanism for the outer positive plate; 4. an inner negative plate unreeling mechanism; 5. an unwinding mechanism for the outer negative plate; 6. an inner diaphragm unreeling mechanism; 7. an outside diaphragm unreeling mechanism; 8. a tension control mechanism for the inner positive plate; 9. a tension control mechanism for the outer positive plate; 10. a tension control mechanism for the inner negative plate; 11. a tension control mechanism for the outer negative plate; 12. the left side is rolled up the front deviation correcting component; 13. the right side is rolled up the front deviation correcting component; 14. a first process correction assembly on the right; 15. a CCD alignment feedback assembly; 16. left feeding manipulator; 17. a right feeding manipulator; 18. a winding module; 19. a discharging mechanism; 20. a cell conveyor belt; 21. a reject assembly; 22. a short circuit detection assembly; 23. a first process correction component on the left;
121. A mounting plate; 122. correcting the linear guide rail; 123. a support plate; 124. a first deviation correcting driving piece; 125. the second deviation correcting driving piece; 126. a feeding rubber roller; 127. feeding smooth rolls; 128. a second feeding driving member;
171. A robot base plate; 172. a feed clip assembly; 1721. the sheet feeding connecting bracket; 1722. a sheet feeding unidirectional rubber covered roller; 1723. a first cleat base; 1724. a second clamping plate seat; 1725. a clamping plate cylinder; 1726. a cylinder mounting plate; 173. a cutter assembly; 1731. a guillotine cutter; 1732. a pressing member; 1733. a negative pressure dust collection component; 1734. a cutter sensor; 1735. a cutter cam; 174. a material clamp transmission mechanism; 175. a cutter transmission mechanism; 176. a feeding linear guide rail; 177. a clip base; 178. a cutter base; 179. a charge clamp camshaft assembly;
191. a linear blanking assembly; 1911. a linear module; 1912. a first jaw base plate; 1913. adjusting the block; 1914. a first jaw cylinder; 1915. a first blanking clip;
192. Rotating the blanking assembly; 1921. a fixing plate; 1922. a servo motor; 1923. a rotation shaft; 1924. a second jaw base plate; 1925. a second jaw cylinder; 1926. a second blanking clip;
100. A pole piece is arranged on the inner side; 200. a pole piece with a road on the outer side; 300. and a battery cell.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all the connection/connection relations referred in the patent are not directly connected by single-finger members, but rather refer to a better connection structure which can be formed by adding or reducing connection auxiliary parts according to specific implementation conditions, for example, screw connection, bolt connection, pin connection, key connection, bonding, mortise-tenon connection, welding, riveting and the like can be selected as required for fixed connection/fixed installation, and for detachable connection, for example, screw connection, bolt connection, threaded connection, buckle connection, mortise-tenon connection, magic tape connection and the like can be selected as required. The technical features in the invention can be interactively combined on the premise of no contradiction and conflict.
Referring to fig. 1, a cylindrical battery core winder comprises a winder substrate 1, a winding module 18, a feeding module and a discharging module, wherein the winding module 18, the feeding module and the discharging module are installed on the winder substrate 1, the feeding module comprises an inner side belt path module and an outer side belt path module, the inner side belt path module and the outer side belt path module are respectively used for feeding a group of base materials, the base materials comprise a positive plate, a negative plate and a diaphragm, the winding module 18 winds two groups of base materials into two battery cores, and the discharging module is used for discharging the battery cores after winding is completed and removing defective battery cores in the battery cores.
Specifically, the feeding module comprises a pole piece unreeling mechanism, a diaphragm unreeling mechanism, a tension control mechanism, an automatic deviation correcting mechanism and a feeding manipulator, wherein the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are provided with two groups and are symmetrically arranged on the left side and the right side of the winding module 18.
In order to facilitate distinguishing, the pole piece unreeling mechanism comprises an inner positive pole piece unreeling mechanism 2, an outer positive pole piece unreeling mechanism 3, an inner negative pole piece unreeling mechanism 4 and an outer negative pole piece unreeling mechanism 5, wherein the inner positive pole piece unreeling mechanism 2 and the outer positive pole piece unreeling mechanism 3 are positioned on the left side, and the inner negative pole piece unreeling mechanism 4 and the outer negative pole piece unreeling mechanism 5 are positioned on the right side; the diaphragm unreeling mechanism comprises an inner diaphragm unreeling mechanism 6 and an outer diaphragm unreeling mechanism 7; the tension control mechanism comprises an inner positive plate tension control mechanism 8, an outer positive plate tension control mechanism 9, an inner negative plate tension control mechanism 10 and an outer negative plate tension control mechanism 11 which are respectively used for tension control of an outer belt path and an inner belt path, and the automatic deviation correcting mechanism comprises an inner automatic deviation correcting mechanism and an outer automatic deviation correcting mechanism which are respectively used for deviation correction of the outer belt path and the inner belt path; the feeding manipulator comprises a left feeding manipulator 16 and a right feeding manipulator 17, which are respectively used for feeding the left two groups of positive plates and feeding the right two groups of negative plates, and the left feeding manipulator 16 and the right feeding manipulator 17 are respectively provided with two stations (an inner station and an outer station) for feeding the inner belt pole piece 100 and the outer belt pole piece 200.
The inner side belt path module is formed by the inner side positive plate unreeling mechanism 2, the inner side positive plate tension control mechanism 8, the inner side negative plate unreeling mechanism 4, the inner side negative plate tension control mechanism 10, the inner side diaphragm unreeling mechanism 6, the inner side automatic deviation correcting mechanism, the inner station of the left side feeding mechanical arm 16 and the inner station of the right side feeding mechanical arm 17 and used for feeding the inner side belt path base materials; the outer belt path module is formed by the outer positive plate unreeling mechanism 3, the outer positive plate tension control mechanism 9, the outer negative plate unreeling mechanism 5, the outer negative plate tension control mechanism 11, the outer diaphragm unreeling mechanism 7, the outer automatic deviation correcting mechanism, the outer station of the left feeding manipulator 16 and the outer station of the right feeding manipulator 17 and is used for feeding the outer belt path base materials.
The automatic deviation rectifying mechanism comprises an unreeling deviation rectifying assembly, a process deviation rectifying assembly (comprising a left first process deviation rectifying assembly 23 and a right first process deviation rectifying assembly 14), a pre-reeling deviation rectifying assembly (comprising a left pre-reeling deviation rectifying assembly and a right pre-reeling deviation rectifying assembly 13), a feeding head deviation rectifying assembly and a CCD alignment feedback assembly 15, wherein each deviation rectifying assembly is of the prior art, and is not described in detail herein. The pre-winding deviation correcting assembly is used for adjusting the angle and the position of the feeding rubber roller 126 and the feeding smooth roller 127 in the feeding clamping assembly, namely, the position when the pole piece is fed into the winding position.
Specifically, referring to fig. 6, the feeding clamping assembly includes a rubber roller support, and a feeding rubber roller 126, a feeding smooth roller 127, a first feeding driving member and a second feeding driving member 128 which are mounted on the rubber roller support, where the first feeding driving member is used to drive the feeding rubber roller to approach or depart from the feeding smooth roller, so that the feeding rubber roller and the feeding smooth roller can clamp or loosen the pole piece, the second feeding driving member 128 adopts a servo motor, a main shaft of the servo motor is coaxially connected with the feeding smooth roller 127, so as to drive the feeding smooth roller 127 to rotate, and when the feeding rubber roller 126 and the feeding smooth roller 127 can clamp the pole piece, the feeding smooth roller 127 rotates to provide a power to realize the conveying of the pole piece.
The correcting assembly before rolling comprises a mounting plate 121, a supporting plate 123, a correcting sensor, a first correcting driving piece 124 and a second correcting driving piece 125, wherein the supporting plate 123 is slidably connected to the mounting plate 121 through a correcting linear guide rail 122, the first correcting driving piece 124 can adopt an air cylinder or an electric cylinder, and the first correcting driving piece 124 is fixed on the mounting plate 121 and used for driving the supporting plate 123 to slide on the mounting plate 121. The rubber roll support in the feeding clamping assembly is fixedly arranged on the supporting plate 123, and the second deviation rectifying driving piece 125 is fixedly connected with the supporting plate 123 through the rubber roll support, so that when the first deviation rectifying driving piece 124 drives the supporting plate 123 to slide on the mounting plate 121, the integral height of the feeding rubber roll 126 and the feeding smooth roll 127 can be adjusted, and the deviation rectifying effect is realized. In addition, the second deviation rectifying driving member 125 is configured to drive two ends of the feeding rubber roll 126 to move separately or simultaneously, that is, the second deviation rectifying driving member 125 may drive one end of the feeding rubber roll 126 to move toward or away from the feeding smooth roll 127, so as to adjust parallelism of the feeding rubber roll 126 and the feeding smooth roll 127, to implement a deviation rectifying function, and the second deviation rectifying driving member 125 may drive two ends of the feeding rubber roll 126 to move simultaneously, so as to adjust a distance between the feeding rubber roll 126 and the feeding smooth roll 127, that is, in this embodiment, the second deviation rectifying driving member 125 is used as the first feeding driving member, and a specific structure and a deviation rectifying action of the second deviation rectifying driving member are not described in detail herein.
In this embodiment, referring to fig. 2,3 and 4, the feeding manipulator includes a manipulator seat plate 171, a feeding linear guide 176, a clip base 177, a feeding clip assembly 172, a clip cam shaft assembly 179, a cutter base 178 and a cutter assembly 173, wherein the feeding clip assembly 172 is mounted on the feeding linear guide 176 through the clip base 177, and the clip base 177 is slidable relative to the manipulator seat plate 171 through the feeding linear guide 176, the manipulator seat plate 171 is mounted with a clip transmission mechanism 174, and the clip transmission mechanism 174 is used for driving the clip base 177 to slide on the manipulator seat plate 171, so as to drive the feeding clip assembly 172 to move; cutter subassembly 173 passes through cutter base 178 and installs on pay-off linear guide 176, and cutter base 178 can slide relatively through pay-off linear guide 176 and manipulator bedplate 171, manipulator bedplate 171 installs cutter drive mechanism 175, cutter drive mechanism 175 is used for driving cutter base 178 and slides on manipulator bedplate 171, and then drives cutter subassembly 173 and remove. In this embodiment, the feeding mechanism 174 and the cutter driving mechanism 175 are both a combination of a servo motor 1922 and a screw driving, and the specific driving method is the prior art and will not be described in detail.
Specifically, referring to fig. 5, the feeding clamp assembly 172 includes two clamping plates (including a first clamping plate and a second clamping plate), a clamping driving member, a feeding connecting bracket 1721 and two feeding unidirectional rubber covered rollers 1722, the first clamping plate is fixed on the feeding connecting bracket 1721 through a first clamping plate seat 1723, the second clamping plate is slidably connected on the feeding connecting bracket 1721 through a second clamping plate seat 1724, the clamping driving member is mounted on the feeding connecting bracket 1721 and drives the second clamping plate to approach or depart from the first clamping plate, the clamping driving member includes a clamping plate cylinder 1725, the clamping plate cylinder 1725 is connected with the feeding connecting bracket 1721 through a cylinder mounting plate 1726, and the clamping plate cylinder 1725 is convenient for stopping the pole piece tape when driving the second clamping plate to approach the first clamping plate to clamp the pole piece. The two unidirectional rubber covered rollers 1722 are rotatably connected to the connection bracket 1721, the pole piece is located between the two unidirectional rubber covered rollers 1722 to feed the pole piece, and the pole piece passes through the two unidirectional rubber covered rollers 1722 and the two clamping plates in sequence when being taken.
In this embodiment, referring to fig. 4, the cutter assembly 173 includes a guillotine cutter 1731, a cutter cam 1735, a cutter sensor 1734, a compressing unit 1732, and a protection plate, wherein the compressing unit 1732 is mounted at the front end of the guillotine cutter 1731, so as to compress the pole piece so that the guillotine cutter 1731 cuts off the pole piece, and the protection plate is located above the winding module 18, so as to prevent dust generated by cutting off the pole piece from entering the winding module 18 to affect the winding quality of the battery cell. Further, the cutter assembly 173 further includes a negative pressure dust suction component 1733, the dust suction port of the negative pressure dust suction component 1733 is opposite to the position of the guillotine cutter 1731 for cutting off the pole piece, so as to suck dust generated when the pole piece is cut off, and improve the production quality of the battery cell.
In this embodiment, the winding module 18 includes a winding needle and a winding driving member for driving the winding needle to rotate, the winding needle has an inner winding position and an outer winding position along a length direction thereof, and the inner winding position and the outer winding position are respectively used for winding two groups of substrates, so as to realize one-out-two functions (producing two electric cores at a time), and improve production efficiency. The winding module 18 may be referred to the winding device disclosed in the prior art CN 220172187U.
In this embodiment, referring to fig. 2 and 7, the blanking module includes a discharging mechanism 19, a battery cell conveyor belt 20, and a defective product removing mechanism, where the discharging mechanism 19 is used to convey the wound battery cell from the winding module 18 to the battery cell conveyor belt 20, and the defective product removing mechanism is capable of detecting a defective product battery cell on the battery cell conveyor belt 20 and removing the defective product battery cell from the battery cell conveyor belt 20. Similarly, the discharging mechanism 19, the battery cell conveying belt 20 and the defective product removing mechanism are respectively provided with an inner station and an outer station corresponding to the two battery cells of the inner belt path and the outer belt path, so that the discharging of the two battery cells is realized.
Specifically, referring to fig. 8 and 9, the discharging mechanism 19 includes a linear discharging assembly 191 and a rotary discharging assembly 192, the linear discharging assembly 191 includes a linear module 1911 and a first clamping jaw bottom plate 1912 mounted at a movable end of the linear module 1911, a first discharging clamp 1915 and a first clamping jaw cylinder 1914 driving the first discharging clamp 1915 to open and close are disposed on the first clamping jaw bottom plate 1912, when the first discharging clamp 1915 closes, the wound battery core on the winding needle is clamped, and the linear module 1911 drives the first clamping jaw bottom plate 1912 to move so as to take the battery core from the winding needle to a discharging position. Further, the first clamping jaw cylinder 1914 is connected to the first clamping jaw bottom plate 1912 through an adjusting block 1913, and the positions of the two first blanking clamps 1915 located at the inner and outer stations can be adjusted through the adjusting block 1913 to adapt to the positions of the two electric cores on the winding module 18.
Referring to fig. 10, the rotary blanking assembly 192 includes a rotary module, a fixed plate 1921 and a second clamping jaw bottom plate 1924, a second blanking clamp 1926 and a second clamping jaw cylinder 1925 for driving the second blanking clamp 1926 to open and close are disposed on the second clamping jaw bottom plate 1924, when the second blanking clamp 1926 is closed, a battery cell located at a blanking position is clamped, the rotary module includes a servo motor 1922 and a rotary shaft 1923, the rotary shaft 1923 is connected with the fixed plate 1921, the second clamping jaw bottom plate 1924 is fixedly mounted on the fixed plate 1921, therefore, when the servo motor 1922 drives the rotary shaft 1923 to rotate, the second clamping jaw bottom plate 1924 is driven to rotate, and the second blanking clamp 1926 releases the battery cell and places the battery cell on a receiving position on the battery cell conveying belt 20 to convey the battery cell.
Referring to fig. 7, the defective product removing mechanism includes a detecting component and a defective product removing component 21, the detecting component adopts CCD to perform online dislocation detection, detects the same circle alignment degree of the bare cell in real time during the winding process, stores corresponding data, pictures, data curves and corresponding bare cell bar codes in real time, and sends various information during the winding process to the PLC to process, thereby realizing closed-loop control, and the defective product removing component 21 is controlled by the PLC, thereby realizing that the defective product is pushed up to a defective cell box beside from the cell conveyor belt 20.
Further, the defective product removing mechanism further comprises a short circuit testing component 22, the high-voltage short circuit testing and checking defective products are given to the PLC for processing, and the defective product removing component 21 automatically removes defective product battery cells, so that the battery cells cannot be damaged in the process.
In the invention, the defective product rejection principle is as follows:
When defective products appear in the inner belt path or the outer belt path of the positive plate or the negative plate, the feeding rubber roller and the feeding smooth roller of the side belt path where the defective products are positioned clamp the plate, and meanwhile, the first clamping plate and the second clamping plate of the side belt path are loosened to open and release the plate of the side belt path where the defective products are positioned, so that the plate of the side belt path where the defective products are positioned can be normally conveyed to be matched with the battery cell to finish winding;
meanwhile, the side belt path of the good product is completely opposite to the defective product, a feeding rubber roller and a feeding light roller of the side belt path of the good product loosen the pole pieces, a first clamping plate and a second clamping plate of the side belt path clamp the pole pieces, so that the pole pieces of the side belt path of the good product still keep a straightened state, when the feeding mechanical arm retreats, the unwinding shaft of the pole piece unwinding mechanism of the side belt path of the good product rotates in the reverse direction, the pole pieces of the side belt path of the good product are retracted, winding action is not performed, and waste of the pole pieces of the good product is avoided; meanwhile, the belt path on the side where the diaphragm is positioned is not stopped, and the diaphragm is still continuously transported and continuously matched with the winding procedure of the battery core;
When the battery core is about to complete winding (when a defective product exists, the battery core is wound, the defective product side electrodeless sheet only has a diaphragm, the defective product is provided with a defective pole piece to complete defective battery core winding), the cutter assembly 173 of the side belt path is used for cutting off subsequent materials for winding to form the battery core, the linear blanking assembly 191 is used for clamping and transplanting the battery core with the two sides, the blanking rotating assembly manipulator is used for carrying out the next rotary transplanting operation, the battery core conveying belt 20 is used for conveying the battery core, and then the defective product battery core and the empty coiled diaphragm are conveyed to the defective product blanking position for collection through the defective product rejecting assembly 21, and specifically, the defective product rejecting assembly 21 comprises a gas claw, a screw rod module and a waste box, and the gas claw clamps the defective battery core and conveys the defective battery core to the waste box through the screw rod module.
While the preferred embodiment of the present application has been described in detail, the present application is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present application, and the equivalent modifications or substitutions are included in the scope of the present application as defined in the appended claims.
Claims (10)
1. The utility model provides a cylinder electricity core winder which characterized in that: the feeding module comprises an inner side belt path module and an outer side belt path module, wherein the inner side belt path module and the outer side belt path module are respectively used for feeding a group of base materials, the base materials comprise positive plates, negative plates and diaphragms, the winding module is used for winding the two groups of base materials into two electric cores, and the discharging module is used for discharging the electric cores and rejecting defective products;
The feeding module comprises a pole piece unreeling mechanism, a diaphragm unreeling mechanism, a tension control mechanism, an automatic deviation correcting mechanism and a feeding manipulator, wherein the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are respectively provided with two groups and are symmetrically arranged on the left side and the right side of the winding module, and the pole piece unreeling mechanism, the diaphragm unreeling mechanism, the tension control mechanism, the automatic deviation correcting mechanism and the feeding manipulator are respectively provided with a front station and a rear station to form an inner side belt path module and an outer side belt path module;
the automatic deviation correcting mechanism comprises a feeding clamping assembly, wherein the feeding clamping assembly comprises a feeding rubber roller, a feeding smooth roller, a first feeding driving piece and a second feeding driving piece, the first feeding driving piece is used for driving the feeding rubber roller to be close to or far away from the feeding smooth roller, the second feeding driving piece is used for driving the feeding smooth roller to rotate, and the feeding rubber roller is used for clamping and conveying a pole piece when being close to the feeding smooth roller; the feeding manipulator comprises a feeding clamp assembly and a cutter assembly, wherein the feeding clamp assembly comprises two clamping plates and a clamping driving piece used for enabling the two clamping plates to approach or separate, the two clamping plates are used for clamping the pole piece when approaching so as to stop pole piece tape feeding, and the cutter assembly is used for cutting off the pole piece;
the winding module comprises a winding needle and a winding driving piece for driving the winding needle to rotate, wherein the winding needle is provided with an inner winding position and an outer winding position along the length direction of the winding needle, and the inner winding position and the outer winding position are respectively used for winding two groups of base materials;
The discharging module comprises a discharging mechanism, a battery cell conveying belt and a defective product removing mechanism, wherein the discharging mechanism is used for conveying the wound battery cells from the winding module to the battery cell conveying belt, and the defective product removing mechanism is used for detecting defective product battery cells on the battery cell conveying belt and removing the defective product battery cells from the battery cell conveying belt.
2. A cylindrical cell winder as claimed in claim 1, wherein: the automatic deviation rectifying mechanism further comprises a deviation rectifying assembly before winding, and the deviation rectifying assembly before winding is used for adjusting the position of the pole piece when the pole piece is sent to the winding position.
3. A cylindrical cell winder as claimed in claim 2, wherein: the correcting assembly comprises a mounting plate, a support plate, a correcting sensor, a first correcting driving piece and a second correcting driving piece, wherein the support plate is slidably connected to the mounting plate, the first correcting driving piece is used for driving the support plate to slide on the mounting plate, the feeding clamping assembly and the second correcting driving piece are mounted on the support plate, and the second correcting driving piece is used for driving two ends of the feeding rubber roller to move independently or simultaneously.
4. A cylindrical cell winder as claimed in claim 1, wherein: the feeding manipulator comprises a manipulator seat plate and a linear guide rail, wherein the feeding clamp assembly is arranged on the linear guide rail through a clamp base, the clamp base can slide relative to the manipulator seat plate through the linear guide rail, the manipulator seat plate is provided with a material clamp transmission mechanism, and the material clamp transmission mechanism is used for driving the clamp base to slide on the manipulator seat plate.
5. The cylindrical cell winder of claim 4, wherein: the feeding clamp assembly comprises a sheet feeding connecting support, two sheet feeding unidirectional rubber covered rollers and two groups of clamps, wherein the two sheet feeding unidirectional rubber covered rollers are rotatably connected to the sheet feeding connecting support, the two groups of clamps comprise two clamping plates, the clamping plates are respectively used for clamping inner belt road pole pieces and outer belt road pole pieces, the pole pieces are positioned between the two sheet feeding unidirectional rubber covered rollers to feed sheets, and the pole pieces pass through the two sheet feeding unidirectional rubber covered rollers and the two clamping plates in sequence when being in tape feeding.
6. The cylindrical cell winder of claim 5, wherein: two splint of pay-off clip subassembly divide into first splint and second splint, first splint are fixed in and send on the piece linking bridge, second splint sliding connection is on sending the piece linking bridge, press from both sides the material driving piece and install on sending the piece linking bridge and drive second splint and be close to or keep away from first splint.
7. The cylindrical cell winder of claim 4, wherein: the cutter assembly is arranged on the linear guide rail through a cutter base, the cutter base can slide relative to the manipulator seat board through the linear guide rail, the manipulator seat board is provided with a cutter transmission mechanism, and the cutter transmission mechanism is used for driving the cutter base to slide on the manipulator seat board.
8. The cylindrical cell winder of claim 7, wherein: the cutter assembly comprises a guillotine cutter, a pressing part and a protection plate, wherein the pressing part is used for pressing the pole piece so that the guillotine cutter cuts off the pole piece, and the protection plate is located above the winding module.
9. The cylindrical cell winder of claim 8, wherein: the cutter assembly further comprises a negative pressure dust collection component, and a dust collection port of the negative pressure dust collection component is opposite to the position where the guillotine cutter cuts off the pole piece and is used for absorbing dust generated when the pole piece is cut off.
10. A cylindrical cell winder according to any of claims 1-9 wherein: the discharging mechanism comprises a linear discharging assembly and a rotary discharging assembly, the linear discharging assembly comprises a linear module and a first clamping jaw bottom plate arranged at the movable end of the linear module, a first discharging clamp and a first clamping jaw cylinder for driving the first discharging clamp to open and close are arranged on the first clamping jaw bottom plate, when the first discharging clamp is closed, a wound battery cell on the winding needle is clamped, and the linear module drives the first clamping jaw bottom plate to move so as to take the battery cell from the winding needle and move the battery cell to a discharging position; the rotary blanking assembly comprises a rotary module and a second clamping jaw bottom plate arranged at the movable end of the rotary module, a second blanking clamp and a second clamping jaw cylinder for driving the second blanking clamp to open and close are arranged on the second clamping jaw bottom plate, a battery cell positioned at a blanking level is clamped when the second blanking clamp is closed, and the rotary module drives the second clamping jaw bottom plate to rotate and is used for moving the battery cell to a receiving level on a battery cell conveying belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410260620.2A CN118040085A (en) | 2024-03-07 | 2024-03-07 | Cylindrical battery core winding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410260620.2A CN118040085A (en) | 2024-03-07 | 2024-03-07 | Cylindrical battery core winding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118040085A true CN118040085A (en) | 2024-05-14 |
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ID=90991058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410260620.2A Pending CN118040085A (en) | 2024-03-07 | 2024-03-07 | Cylindrical battery core winding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118040085A (en) |
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2024
- 2024-03-07 CN CN202410260620.2A patent/CN118040085A/en active Pending
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