CN215008307U - Battery manufacturing apparatus - Google Patents
Battery manufacturing apparatus Download PDFInfo
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- CN215008307U CN215008307U CN202120169667.XU CN202120169667U CN215008307U CN 215008307 U CN215008307 U CN 215008307U CN 202120169667 U CN202120169667 U CN 202120169667U CN 215008307 U CN215008307 U CN 215008307U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 196
- 238000003475 lamination Methods 0.000 claims abstract description 120
- 238000005520 cutting process Methods 0.000 claims abstract description 68
- 230000004888 barrier function Effects 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000007723 transport mechanism Effects 0.000 abstract description 18
- 238000001514 detection method Methods 0.000 description 27
- 239000012528 membrane Substances 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004804 winding 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 utility model provides a battery manufacturing equipment, in proper order from both ends to the middle part positive pole unwinding mechanism and the negative pole die cutting mechanism that the symmetry set up in the frame in proper order in the frame, positive pole die cutting mechanism and negative pole die cutting mechanism, positive pole transport mechanism and negative pole transport mechanism, the barrier film deviation correcting device on lamination platform and the lamination platform, because the tail end roller deviation correcting mechanism of the diaphragm deviation correcting device that sets up on the lamination platform installs on big board deviation correcting mechanism, when rectifying big board motion, drive barrier film unwinding device and tail end roller deviation correcting mechanism simultaneous movement, rectify when big board motion and be equivalent to all remove barrier film unwinding device and tail end roller deviation correcting mechanism, and the one-level is rectified, tail end roller deviation correcting mechanism further carries out the second grade to terminal barrier film and rectifies, the barrier film after accomplishing rectifying is used for the lamination, the electric core yield improves, the uniformity is higher.
Description
Technical Field
The utility model relates to a battery manufacture equipment field, in particular to battery manufacture equipment.
Background
The laminated battery is consistent with the working principle of a lithium ion battery for a traditional electric automobile, the laminated battery is internally composed of a positive electrode, a negative electrode, a diaphragm and electrolyte, and electricity is generated by utilizing the movement of lithium ions. The traditional laminated battery core manufacturing method comprises the following steps: the pole roll is made into pole pieces through a die cutting machine, the pole pieces are collected into a material box, and then the pole pieces are transferred to a laminating machine through a material box conveying line. After the material box is positioned, the lamination platform is grabbed by a pole piece feeding manipulator to manufacture a battery cell, and the battery cell is delivered to the next procedure after being pasted with glue. The disadvantages are that: the pole piece passes through the magazine and carries, firstly easily collides with, leads to the pole piece to produce burr, dust, secondly because the lamination platform removes the speed of carrying out the lamination extremely fast about, and the skew can take place in the middle of the lamination process diaphragm transfer process, all can influence the yield of electric core, and the uniformity is poor.
Thus, it is desirable to provide a battery manufacturing apparatus that enables the quality of the laminated cells to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery manufacturing equipment for the lamination yield improves.
According to a first aspect, an embodiment provides a battery manufacturing apparatus, which includes a frame, and an anode unwinding mechanism and a cathode unwinding mechanism, an anode die cutting mechanism and a cathode die cutting mechanism, an anode carrying mechanism and a cathode carrying mechanism, which are symmetrically arranged on the frame in sequence from two ends to the middle, and an isolation film deviation rectifying device on a lamination platform and a lamination platform;
the anode die cutting mechanism is used for cutting the anode roll into anode pieces, and the anode carrying mechanism is used for carrying the anode pieces to the lamination platform for lamination;
the cathode die cutting mechanism is used for cutting the cathode roll into cathode sheets, and the cathode carrying mechanism is used for carrying the cathode sheets to the lamination platform for lamination;
the isolating film deviation rectifying device detects and rectifies the position of an isolating film in the lamination process, and comprises a large plate deviation rectifying mechanism and a tail end roller deviation rectifying mechanism, wherein the deviation rectifying large plate is also provided with an isolating film unreeling device, and the deviation rectifying large plate moves to drive the isolating film to move so as to finish the reference deviation rectification;
the tail end roller deviation rectifying mechanism is installed on the large plate deviation rectifying mechanism, the deviation rectifying large plate moves while the tail end roller deviation rectifying mechanism moves, the isolation film is wound on the tail end deviation rectifying mechanism, and the tail end deviation rectifying mechanism rectifies the tail end isolation film.
In some embodiments, the device for rectifying the isolation film further comprises a rectifying sensor, the large plate rectifying mechanism and the tail end roller rectifying mechanism share the sensor, the rectifying sensor is used for detecting and acquiring a position deviation value of the isolation film and transmitting the acquired position deviation value to the large plate rectifying mechanism and the tail end roller rectifying mechanism at the same time, and the large plate rectifying mechanism and the tail end roller rectifying mechanism move according to the position deviation value to finish rectifying the isolation film.
In some embodiments, the anode die cutting mechanism comprises: the anode die-cutting device comprises an anode die-cutting support, and an anode pole piece forming device, an anode pole piece dust removing device and an anode pole piece discharging platform which are positioned on the anode die-cutting support, wherein the anode pole piece forming device is arranged behind the anode unreeling mechanism, and the anode pole piece discharging platform is used for adsorbing a formed anode pole piece;
the cathode die cutting mechanism comprises: the cathode die cutting support, and be located cathode sheet forming device, cathode sheet dust collector, cathode sheet ejection of compact platform on the cathode die cutting support, wherein, cathode sheet forming device establishes the rear of negative pole unwinding mechanism, cathode sheet ejection of compact platform is used for adsorbing the negative pole piece that the shaping was accomplished.
In some embodiments, there are two sets of lamination platforms, and two sets of anode carrying mechanisms and two sets of cathode carrying mechanisms are provided, where the two sets of lamination platforms are a first lamination platform and a second lamination platform, respectively, and the first lamination platform and the second lamination platform are arranged in parallel.
In some embodiments, the lamination platform has an anode position for placing an anode sheet and a cathode position for placing a cathode sheet, and moves back and forth from the cathode position to the anode position to drive the rectified diaphragm to cover the cathode and anode sheets.
In some embodiments, the lamination platform further comprises a pressing knife, the release film unreeling device releases a release film with a proper length matching the movement process of the lamination platform, and the pressing knife is used for pressing the cathode sheet or the anode sheet placed on the lamination platform and the corrected release film.
In some embodiments, the anode unwinding mechanism includes an anode tension control device and an anode plate deviation rectifying device; the cathode unwinding mechanism comprises a cathode tension control device and a cathode pole piece deviation rectifying device
According to the battery manufacturing equipment of the embodiment, the battery manufacturing equipment comprises an anode unreeling mechanism, a cathode unreeling mechanism, an anode die cutting mechanism, a cathode die cutting mechanism, an anode carrying mechanism and a cathode carrying mechanism which are sequentially and symmetrically arranged on a rack from two ends to the middle part, and further comprises a lamination platform and an isolating film deviation correcting device on the lamination platform, wherein the anode carrying mechanism carries anode sheets sliced by the anode die cutting mechanism onto the lamination platform for lamination, the cathode carrying mechanism carries cathode sheets sliced by the cathode die cutting mechanism onto the lamination platform for lamination, and the lamination platform is provided with a diaphragm deviation correcting device which comprises a large plate deviation correcting mechanism and a tail end roller deviation correcting mechanism, the tail end roller deviation correcting mechanism is arranged on the large plate deviation correcting mechanism, and when a deviation correcting large plate moves, the deviation correcting isolating film unreeling mechanism and the tail end roller deviation correcting mechanism are driven to move simultaneously, when the deviation rectifying large plate moves, the deviation rectifying mechanism is equivalent to one-stage deviation rectifying of the isolating membrane unwinding device, the deviation rectifying mechanism of the tail end roller is also subjected to reference deviation rectifying, the deviation rectifying mechanism of the tail end roller further performs two-stage deviation rectifying of the tail end isolating membrane, the isolating membrane after the deviation rectifying is completed is used for lamination of the lamination platform, the obtained cell yield is improved, and the consistency is higher.
Drawings
Fig. 1 is a schematic structural diagram of a battery manufacturing apparatus according to an embodiment of the present invention;
fig. 2 is a schematic top view of a battery manufacturing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lamination platform portion in a battery manufacturing apparatus according to an embodiment of the present invention.
Wherein, the frame 10, the anode unreeling mechanism 110, the anode die cutting mechanism 120, the anode carrying mechanism 130, the lamination platform 300, the first lamination platform 301, the second lamination platform 302, the cathode carrying mechanism 230, the cathode die cutting mechanism 220, the cathode unreeling mechanism 210, the anode sheet discharging platform 121, the cathode sheet discharging platform 221, the first anode sheet carrying mechanism 131, the first anode sheet primary carrying device 1311, the first anode sheet secondary carrying device 1312, the first anode sheet detection deviation rectifying platform 1313, the second anode sheet carrying mechanism 132, the second anode sheet primary carrying device 1321, the second anode sheet secondary carrying device 1322, the second anode sheet detection deviation rectifying platform 1323, the first cathode sheet carrying mechanism 231, the first cathode sheet primary carrying device 2311, the first cathode sheet secondary carrying device 2312, the first cathode sheet detection platform 2313, the second cathode sheet carrying mechanism 232, a second cathode sheet primary conveying device 2321, a second cathode sheet secondary conveying device 2322 and a second cathode sheet detection deviation rectifying platform 2323.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).
Analysis shows that in the process of transporting and transferring pole pieces, the battery manufacturing equipment in the prior art needs belt transmission and mechanical arm transportation, so that the pole pieces can be damaged in the multi-section transmission process, and the equipment efficiency is low due to the multi-section transmission.
In the battery manufacturing equipment provided by the embodiment of the utility model, the battery manufacturing equipment comprises an anode unreeling mechanism and a cathode die cutting mechanism, an anode die cutting mechanism and a cathode die cutting mechanism, an anode carrying mechanism and a cathode carrying mechanism which are sequentially and symmetrically arranged on a frame from two ends to the middle part, and also comprises a lamination platform and an isolating film deviation rectifying device on the lamination platform, wherein the anode carrying mechanism carries anode sheets sliced by the anode die cutting mechanism to the lamination platform for lamination, the cathode carrying mechanism carries cathode sheets sliced by the cathode die cutting mechanism to the lamination platform for lamination, as the lamination platform is provided with a diaphragm deviation rectifying device which comprises a large plate deviation rectifying mechanism and a tail end roller deviation rectifying mechanism, the tail end roller deviation rectifying mechanism is arranged on the large plate deviation rectifying mechanism, when a deviation rectifying large plate moves, the device comprises a tail end roller, a diaphragm unwinding device, a tail end roller deviation rectifying mechanism, a diaphragm winding platform, a tail end roller deviation rectifying mechanism, a tail end diaphragm and a tail end diaphragm.
Fig. 1 is a battery manufacturing apparatus provided by the present invention, please refer to fig. 1, the battery manufacturing apparatus includes: the cathode-type sheet metal laminating machine comprises a frame 10, and an anode unreeling mechanism 110, an anode die-cutting mechanism 120, at least one group of anode carrying mechanisms 130, at least one group of lamination platforms 300, at least one group of cathode carrying mechanisms 230, a cathode die-cutting mechanism 220 and a cathode unreeling mechanism 210 which are sequentially arranged from the head to the tail of the frame 10, wherein the anode unreeling mechanism 110 and the cathode unreeling mechanism 120 are symmetrically arranged, the anode die-cutting mechanism 120 and the cathode die-cutting mechanism 220 are symmetrically arranged, and the anode carrying mechanisms 130 and the cathode carrying mechanisms 230 are symmetrically arranged.
The anode unwinding mechanism 110 is used for placing an anode roll. The cathode unwinding mechanism 210 is used for placing cathode rolls.
Specifically, positive pole unwinding mechanism 110 includes positive pole unwinding device, positive pole tension controlling means, positive pole piece deviation correcting device, positive pole unwinding device sets up with the cooperation of positive pole tension controlling means, positive pole tension controlling means is used for control to place the tension of the positive pole book on the positive pole unwinding device, simultaneously, positive pole piece deviation correcting device detects and places the position of the positive pole book on the positive pole unwinding device to in time the adjustment prevents that the positive pole from rolling up the skew.
The cathode unwinding mechanism is completely the same as the structure of the anode unwinding mechanism 110, and specifically, the cathode unwinding mechanism 210 includes a cathode unwinding device, a cathode tension control device and a cathode sheet deviation correction device, the cathode unwinding device is matched with the cathode tension control device, the cathode tension control device is used for controlling the tension of a cathode roll on the cathode unwinding device, and meanwhile, the cathode sheet deviation correction device detects the position of the cathode roll on the cathode unwinding device, so that the cathode roll is adjusted in time and prevented from deviating.
The anode unwinding mechanism 110 and the cathode unwinding mechanism 210 are respectively disposed at the left and right sides of the frame 10, and are bilaterally symmetrical.
The anode die cutting mechanism 120 is disposed behind the anode unwinding mechanism 110, and is configured to cut an anode roll placed on the anode unwinding mechanism 110 into anode sheets. The anode die cutting mechanism 120 includes: anodal cross cutting support and be located positive pole piece forming device, positive pole piece dust collector and positive pole piece ejection of compact platform 121 on the positive pole cross cutting support, wherein, positive pole piece forming device establishes the rear of positive pole unwinding mechanism 110 is concrete, positive pole piece forming device establishes the rear portion of positive pole unwinding mechanism, the positive pole piece absorption that the shaping was accomplished is in on positive pole piece ejection of compact platform 121.
Correspondingly, the cathode die-cutting mechanism 220 is disposed behind the cathode unwinding mechanism 210, and the cathode die-cutting mechanism 220 is configured to cut the cathode roll placed on the cathode unwinding mechanism 210 into cathode sheets. The cathode die cutting mechanism comprises: the cathode die cutting support, and be located cathode sheet forming device, cathode sheet dust collector, cathode sheet ejection of compact platform 221 on the cathode die cutting support, wherein, cathode sheet forming device establishes the rear of cathode unwinding mechanism 210, it is specific, cathode sheet forming device sets up at the rear portion of cathode unwinding device, and the positive pole piece after the shaping is accomplished adsorbs on cathode sheet ejection of compact platform 221.
The anode die-cutting mechanism 120 and the cathode die-cutting mechanism 220 are respectively disposed at the left and right sides of the frame 10, and are bilaterally symmetrical.
In this embodiment, the anode carrying mechanism 130 includes an anode sheet primary carrying device, an anode sheet secondary carrying device, and an anode sheet detection and correction platform; the first-level anode sheet carrying device is used for carrying an anode sheet formed after the anode die cutting mechanism 120 to the anode sheet detection and correction platform to detect and correct the position of the anode sheet, and the second-level anode sheet carrying device is used for carrying the anode sheet from the anode sheet detection and correction platform to the lamination platform for lamination.
Because the anode carrying mechanism 130 and the cathode carrying mechanism 230 have the same structure, specifically, the cathode carrying mechanism 230 includes a cathode sheet primary carrying device, a cathode sheet secondary carrying device primary cathode sheet detection deviation rectifying platform; the cathode piece first-level carrying device is used for carrying cathode pieces formed after the cathode die cutting mechanism to the cathode piece detection deviation rectifying platform so as to detect and rectify the cathode pieces, and the cathode piece second-level carrying device is used for carrying the cathode pieces to the lamination platform from the cathode piece detection deviation rectifying platform so as to perform lamination.
The positive pole transport mechanism in this embodiment and negative pole transport mechanism are the two-stage transport, and wherein, the one-level handling device in positive pole transport mechanism and the negative pole transport mechanism contains one-level transport manipulator for accomplish the transport from ejection of compact platform to detecting positioning platform, and the second grade handling device in positive pole transport mechanism and the negative pole transport mechanism contains second grade transport manipulator for accomplish the transport from detecting positioning platform to the lamination platform, accomplish the rectifying of horizontal direction and vertical direction simultaneously. The positive pole transport mechanism in this embodiment adopts the manipulator transport and directly is used for the lamination with negative pole transport mechanism, has promoted handling efficiency, leads to the pole piece damage in the belt transmission process of avoiding simultaneously, for example leads to the pole piece to fall whitewashed or the fold scheduling problem.
In this embodiment, the positive pole piece second grade handling device is relative positive pole piece first grade handling device inverts the setting, negative pole piece second grade handling device is relative negative pole piece first grade handling device inverts the setting. The structure of the anode sheet primary carrying device, the structure of the anode sheet secondary carrying device, the structure of the cathode sheet primary carrying device or the structure of the cathode sheet secondary carrying device are the same. The anode sheet secondary conveying device and the cathode sheet secondary conveying device are arranged in an inverted mode so as to meet the requirements of position layout rationality in the process of clamping the anode sheets or the cathode sheets and laminating.
In this embodiment, this battery manufacturing equipment is equipped with two sets of lamination platforms, two sets of lamination platforms are first lamination platform 310 and second lamination platform 302 respectively, still correspond and are equipped with two sets of positive pole transport mechanism and two sets of negative pole transport mechanism, that is, each set of lamination platform corresponds a set of negative pole transport mechanism and a set of positive pole transport mechanism respectively, promptly, adopts the duplex position to carry out lamination work for lamination efficiency can match the production efficiency of cross cutting machine, avoids the productivity extravagant.
In this embodiment, the first lamination platform 301 and the first lamination platform 302 are arranged in parallel, and the distances from the anode die cutting mechanism 120 or the cathode die cutting mechanism corresponding to the first lamination platform are equal, so that the overall structure of the device is more compact, the time for the formed pole piece to reach the lamination platform is controllable, and the automation degree is higher.
In other embodiments, the lamination platform may have a plurality of lamination platforms, and the plurality of lamination platforms may also be arranged in parallel to improve lamination efficiency.
In this embodiment, the two anode carrying mechanisms corresponding to the two stacking platforms are a first anode strip carrying mechanism 131 and a second anode strip carrying mechanism 132, respectively, and the first anode strip carrying mechanism 131 is configured to carry the anode strips onto the first stacking platform 301 for stacking; the second anode strip handling mechanism 132 is configured to handle anode strips to the first lamination platform 302 for lamination.
Correspondingly, in this embodiment, the two sets of cathode conveying mechanisms are respectively the first cathode sheet conveying mechanism 231 and the second cathode sheet conveying mechanism 232; the first cathode sheet handling mechanism 231 is used for handling cathode sheets onto the first lamination platform 301 for lamination; the second cathode sheet handling mechanism 232 is used to handle cathode sheets onto the first lamination platform 302 for lamination.
In this embodiment, the first anode sheet conveying mechanism 131 includes: the first anode sheet primary conveying device 1311, the first anode sheet secondary conveying device 1312 and the first anode sheet detection and correction platform 132, the first anode sheet primary conveying device 1311 conveys the anode sheets coming out from the anode die-cutting mechanism 120120 to the first anode sheet detection and correction platform 1313 to detect and correct the anode sheets, and the first anode sheet secondary conveying device 1312 is used for conveying the anode sheets from the first anode sheet detection and correction platform 1313 to the first lamination platform 301 for lamination.
The second anode sheet conveying mechanism 132 includes: a first anode strip primary conveying device 1321, a second anode strip secondary conveying device 1322 and a second anode strip detection and correction platform 1323; the first anode sheet carrying device 1321 carries the anode sheets coming out from the anode die cutting mechanism 120120 to the second anode sheet detection and correction platform 1323 for detecting and correcting the anode sheets, and the second anode sheet carrying device 1322 is used for carrying the anode sheets from the second anode sheet detection and correction platform 1323 to the second lamination platform 302 for lamination.
The first cathode sheet conveying mechanism 231 includes: a first cathode sheet primary carrying device 2311, a first cathode sheet secondary carrying device 2312 and a first cathode sheet detection deviation rectifying platform 2313; the first cathode sheet primary carrying device 2311 carries the cathode sheets coming out of the cathode die-cutting mechanism 220 to the first cathode sheet detection deviation rectifying platform 2313 to detect and rectify the cathode sheets, and the first cathode sheet secondary carrying device 2312 is used for carrying the cathode sheets from the first cathode sheet detection deviation rectifying platform 2313 to the first lamination platform 301 for lamination.
The second cathode sheet conveying mechanism 232 includes: a second cathode sheet primary conveying device 2321, a second cathode sheet secondary conveying device 2322 and a second cathode sheet detection deviation rectifying platform 2323; the second cathode sheet primary conveying device 2321 conveys the cathode sheets coming out of the cathode die-cutting mechanism 220 to the second cathode sheet detection deviation rectifying platform 2323 to detect and rectify the cathode sheets, and the second cathode sheet secondary conveying device 2322 is used for conveying the cathode sheets from the second cathode sheet detection deviation rectifying platform 2323 to the second lamination platform 302 for lamination.
It should be noted that the anode sheet detection and correction platform (which may include the first anode sheet detection and correction platform 1313 and the second anode sheet correction platform 1323) and the cathode sheet detection and correction platform (which may include the first cathode sheet detection and correction platform 2313 and the second cathode sheet correction platform 2323) have the same structure, and both include 3 CCD cameras and a θ correction platform, which are used to complete the detection of the position and size of the electrode sheet. The whole theta correction platform is driven to rotate by the motor, so that the rectification of the pole piece theta can be completed.
In this embodiment, the lamination platform is provided with an anode position and a cathode position, the anode position is used for placing an anode sheet, the cathode sheet is used for placing a cathode sheet, and the lamination platform moves back and forth from the cathode position to the anode position to drive the isolation film to cover the cathode sheet and the anode sheet.
In this embodiment, the lamination platform further includes an isolation film unwinding device and a pressing knife, the isolation film unwinding device is used for placing an isolation film and releasing the isolation film matched with the appropriate length in the movement process of the lamination platform, and the pressing knife is used for pressing a cathode sheet or an anode sheet and the isolation film placed on the lamination platform. The position deviation of the cathode strip or the anode strip and the isolating film on the lamination platform is avoided, and the cathode strip or the anode strip and the isolating film are prevented from being separated from the surface of the platform when the lamination platform moves back and forth, so that the lamination quality is guaranteed.
In this embodiment, the lamination platform further includes an isolating membrane deviation correcting device and a battery cell CCD detecting device, the isolating membrane deviation correcting device detects and corrects the position of the isolating membrane in the lamination process, and the battery cell CCD detecting device is used for shooting the position of the cathode sheet or the anode sheet of each layer and the isolating membrane, and is used for completing the deviation correction of the cathode sheet or the anode sheet on the lamination platform in a matching manner.
In this embodiment, barrier film deviation correcting device is including big board mechanism and the tail end roller mechanism of rectifying, the tail end roller mechanism of rectifying is installed on big board mechanism of rectifying, big board mechanism of rectifying accomplishes the benchmark of barrier film and rectifies, tail end mechanism of rectifying rectifies to terminal barrier film, rectifies through big board and can accomplish the benchmark of barrier film and rectify, and tail end mechanism of rectifying accomplishes rectifying of terminal position's barrier film, and the two-stage mechanism of rectifying adopts same sensor, need not to carry out the benchmark debugging, improves the rate of accuracy of rectifying.
Referring to fig. 3, in the embodiment, the device for rectifying the position of the isolation film on the lamination platform 300 includes a mounting base 3100, a large plate rectifying component 3200, a rectifying large plate 3210, and a unwinding roller 3301, a tail end rectifying component 3310, an isolation film passing roller 3302, and a tail end roller 3303 mounted on the rectifying large plate 3210.
The mounting base 3100 is a support of an isolating membrane deviation correcting device in the embodiment, the large plate deviation correcting component 3200 is fixed on the mounting base 3100, the large plate deviation correcting component 3200 is connected with a deviation correcting large plate 3210, and the large plate deviation correcting component 3300 can drive the deviation correcting large plate 3210 to move.
In this embodiment, the large plate deviation rectifying assembly 3300 includes a power mechanism and a lead screw module, where the power mechanism can drive the lead screw module to move, and the lead screw module can drive the large plate deviation rectifying assembly 3210 to move.
In this embodiment, the large deviation correction plate 3210 is movably disposed on the mounting base 3100 through a rail.
In this embodiment, the guide rail is a slider guide rail, and the guide rail is fixed on the mounting base 3100 and is disposed along the axial direction of the unwinding roller 3301, so that the large deviation rectification plate 3210 disposed on the guide rail can move along the axial direction of the unwinding roller 3301, thereby rectifying the deviation of the separator roll placed on the unwinding roller 3301.
In this embodiment, the power mechanism may be a servo motor. In this embodiment, a servo motor drives the screw module to move, so as to drive the large deviation rectification plate 3210 to move.
Because the large deviation rectifying plate 3210 is provided with an unwinding roller 3301, a tail end deviation rectifying component 3310, an isolation film passing roller 3302 and a tail end roller 3303, when the large deviation rectifying plate 3210 moves, the unwinding roller 3301, the tail end deviation rectifying component 3310, the isolation film passing roller 3302 and the tail end roller 3303 thereon all move along with the movement.
The unwinding roller 3301 is used for placing the barrier film, the barrier film still passes through a plurality of barrier films before carrying out the lamination and crosses roller 3302, and the angle and the route between a plurality of barrier films cross roller 3302 can set up as required, and the barrier film passes roller 3302 around a plurality of barrier films and in order to ensure the barrier film angle and tension when the lamination, and last barrier film crosses the roller for tail end roller 3303, and tail end roller 3303 is mobilizable to be set up in rectify on the big board 3210, consequently, tail end roller 3303 can be along with rectifying the motion of big board 3210 and move, also can be relative rectify big board 3210 independent motion.
In this embodiment, the tail end deviation rectifying component 3310 is connected with the tail end roller 3303, the tail end deviation rectifying component 3310 can drive the tail end roller 3303 to move along the axial direction of the tail end roller 3303, and since the isolating film is wound on the tail end roller 3303, when the tail end roller 3303 moves, the isolating film can be driven to move, and then the deviation rectification of the isolating film can be completed.
In this embodiment, the tail end deviation rectifying component 3310 includes a power mechanism and a screw module, and the power mechanism drives the screw module to move, so as to drive the tail end roller 3303 to move on the deviation rectifying board 3210 along the axial direction of the tail end roller 3303.
In this embodiment, the power mechanism is a servo motor, and in this embodiment, there are two tail end rollers 3303 (respectively used for the cathode position and the anode position on the left and right sides of the lamination platform) for the tail end of the laminated isolation film, so that the left and right servo motors respectively drive the corresponding lead screw modules to move, thereby driving the tail end rollers 3303 at the corresponding positions to move.
Have frictional force between tail end roller 3303 and the barrier film, compare in a plurality of barrier films and cross the diameter thickness of roller 3302 and can be different, in this embodiment, power unit and lead screw module set up tail end roller 3303's top can more reasonable utilization position space, provide the position for other subassemblies and dodge, when satisfying the function, improve the holistic compactedness of device.
In this embodiment, the isolation device further includes a deviation sensor, and the deviation sensor is disposed on the mounting base 3100, and is configured to obtain a position deviation value of the isolation diaphragm. The deviation rectifying sensor does not move along with the movement of the deviation rectifying large plate, and the deviation rectifying sensor only measures the position deviation value of the isolating membrane at a certain fixed position, so that the position deviation value of the isolating membrane is obtained.
In this embodiment, when the deviation amount of the isolation film obtained by the deviation correction sensor is large, that is, when the deviation amount of the isolation film is large compared with the initial position deviation, for example, the deviation amount is within the preset large plate deviation value range, the large plate deviation correction component 3300 may be controlled to drive the deviation correction large plate 3210 to move, so that the primary deviation correction of the position of the isolation film may be realized. The deviation rectifying sensor continues to obtain the position deviation value of the isolation film, and when the deviation amount of the isolation film is small, that is, when the deviation amount of the isolation film is smaller than the initial position deviation, for example, the deviation amount is within the range of the preset tail end roller deviation value, the tail end deviation rectifying component 3310 can be controlled to drive the tail end roller 3303 to move, so that the two-stage deviation rectifying of the position of the isolation film can be realized.
The battery manufacturing equipment that provides in this embodiment, because positive pole transport mechanism and negative pole transport mechanism have all used two-stage handling device, make positive pole piece or negative pole piece directly transported to the lamination platform and carry out the lamination when accomplishing to detect and rectifying, the efficiency of having promoted the pole piece transport has avoided the problem that appears in the belt transfer process simultaneously, and be equipped with two sets of lamination platforms, each group lamination platform corresponds a set of negative pole transport mechanism and a set of positive pole transport mechanism respectively, can make lamination efficiency match the production efficiency of cross cutting machine, can not cause the productivity extravagant, the structure is compacter, degree of automation is higher.
It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.
Claims (7)
1. A battery manufacturing apparatus, characterized by comprising: the device comprises a frame, an anode unreeling mechanism and a cathode unreeling mechanism, an anode die cutting mechanism and a cathode die cutting mechanism, an anode carrying mechanism and a cathode carrying mechanism, and an isolating film deviation correcting device on a lamination platform and the lamination platform, wherein the anode unreeling mechanism and the cathode unreeling mechanism, the anode die cutting mechanism and the cathode die cutting mechanism, the anode carrying mechanism and the cathode carrying mechanism are symmetrically arranged on the frame in sequence from two ends to the middle;
the anode die cutting mechanism is used for cutting the anode roll into anode pieces, and the anode carrying mechanism is used for carrying the anode pieces to the lamination platform for lamination;
the cathode die cutting mechanism is used for cutting the cathode roll into cathode sheets, and the cathode carrying mechanism is used for carrying the cathode sheets to the lamination platform for lamination;
the isolating film deviation rectifying device detects and rectifies the position of an isolating film in the lamination process, and comprises a large plate deviation rectifying mechanism and a tail end roller deviation rectifying mechanism, wherein the deviation rectifying large plate is also provided with an isolating film unreeling device, and the deviation rectifying large plate moves to drive the isolating film to move so as to finish the reference deviation rectification;
the tail end roller deviation rectifying mechanism is installed on the large plate deviation rectifying mechanism, the deviation rectifying large plate moves while the tail end roller deviation rectifying mechanism moves, the isolation film is wound on the tail end deviation rectifying mechanism, and the tail end deviation rectifying mechanism rectifies the tail end isolation film.
2. The battery manufacturing apparatus according to claim 1, wherein the separator deviation correcting device further comprises a deviation correcting sensor, the large plate deviation correcting mechanism and the tail end roller deviation correcting mechanism share the sensor, the deviation correcting sensor is configured to detect and obtain a position deviation value of the separator, and transmit the obtained position deviation value to the large plate deviation correcting mechanism and the tail end roller deviation correcting mechanism at the same time, and the large plate deviation correcting mechanism and the tail end roller deviation correcting mechanism move according to the position deviation value to correct the separator.
3. The battery manufacturing apparatus of claim 1, wherein the anode die cutting mechanism comprises: the anode die-cutting device comprises an anode die-cutting support, and an anode pole piece forming device, an anode pole piece dust removing device and an anode pole piece discharging platform which are positioned on the anode die-cutting support, wherein the anode pole piece forming device is arranged behind the anode unreeling mechanism, and the anode pole piece discharging platform is used for adsorbing a formed anode pole piece;
the cathode die cutting mechanism comprises: the cathode die cutting support, and be located cathode sheet forming device, cathode sheet dust collector, cathode sheet ejection of compact platform on the cathode die cutting support, wherein, cathode sheet forming device establishes the rear of negative pole unwinding mechanism, cathode sheet ejection of compact platform is used for adsorbing the negative pole piece that the shaping was accomplished.
4. The battery manufacturing apparatus according to claim 1, wherein there are two sets of lamination platforms, and two sets of anode handling mechanisms and two sets of cathode handling mechanisms are provided, the two sets of lamination platforms being a first lamination platform and a second lamination platform, respectively, the first lamination platform being disposed in parallel with the second lamination platform.
5. The battery manufacturing apparatus of claim 1, wherein the lamination platform has an anode position for placing an anode sheet and a cathode position for placing a cathode sheet, and the lamination platform moves back and forth from the cathode position to the anode position to drive the rectified barrier film to cover the cathode and anode sheets.
6. The battery manufacturing apparatus according to claim 5, wherein the lamination stage further comprises a pressing blade, the separator unwinding device discharges a separator having a length suitable for the movement of the lamination stage, and the pressing blade is configured to press the cathode sheet or the anode sheet placed on the lamination stage and the rectified separator.
7. The battery manufacturing apparatus of claim 1, wherein the anode unwinding mechanism comprises an anode tension control device and an anode sheet deviation correction device; the cathode unreeling mechanism comprises a cathode tension control device and a cathode pole piece deviation correcting device.
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| CN202120169667.XU CN215008307U (en) | 2021-01-21 | 2021-01-21 | Battery manufacturing apparatus |
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| CN202120169667.XU CN215008307U (en) | 2021-01-21 | 2021-01-21 | Battery manufacturing apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115966750A (en) * | 2023-01-29 | 2023-04-14 | 深圳市誉辰智能装备股份有限公司 | Battery cell laminating machine |
| WO2024114552A3 (en) * | 2022-11-28 | 2024-08-02 | 深圳与行智能装备有限公司 | Lithium battery cutting and stacking device |
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2021
- 2021-01-21 CN CN202120169667.XU patent/CN215008307U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024114552A3 (en) * | 2022-11-28 | 2024-08-02 | 深圳与行智能装备有限公司 | Lithium battery cutting and stacking device |
| CN115966750A (en) * | 2023-01-29 | 2023-04-14 | 深圳市誉辰智能装备股份有限公司 | Battery cell laminating machine |
| CN115966750B (en) * | 2023-01-29 | 2023-11-14 | 深圳市誉辰智能装备股份有限公司 | Battery cell lamination machine |
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