CN219906341U - A connect area structure and evaporation plating lithium supplementing all-in-one for mending lithium - Google Patents
A connect area structure and evaporation plating lithium supplementing all-in-one for mending lithium Download PDFInfo
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- CN219906341U CN219906341U CN202321332697.3U CN202321332697U CN219906341U CN 219906341 U CN219906341 U CN 219906341U CN 202321332697 U CN202321332697 U CN 202321332697U CN 219906341 U CN219906341 U CN 219906341U
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- lithium
- carrier film
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- pole piece
- tape
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 159
- 230000001502 supplementing effect Effects 0.000 title claims abstract description 50
- 238000001704 evaporation Methods 0.000 title claims abstract description 44
- 230000008020 evaporation Effects 0.000 title claims abstract description 44
- 238000007747 plating Methods 0.000 title claims description 32
- 239000003292 glue Substances 0.000 claims abstract description 30
- 238000002360 preparation method Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 192
- 238000012937 correction Methods 0.000 claims description 40
- 238000010030 laminating Methods 0.000 claims description 24
- 238000005520 cutting process Methods 0.000 claims description 22
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 10
- 239000013589 supplement Substances 0.000 claims description 9
- 238000007740 vapor deposition Methods 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 230000009469 supplementation Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000013459 approach Methods 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000006138 lithiation reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides a strip connecting structure for lithium supplementing and an evaporation lithium supplementing integrated machine. The utility model relates to two oppositely arranged platforms of a tape connecting structure for supplementing lithium, which are provided with a first driving part for driving the two platforms to approach or separate from each other, a glue preparation unit and a glue pasting unit matched with the glue preparation unit, wherein the glue preparation unit is used for providing glue pasting pieces, and when the two platforms approach or separate from each other, the glue pasting unit can grasp the glue pasting pieces and bond tape on the two platforms together through the glue pasting pieces. The tape connecting structure for lithium supplementing can improve the tape connecting mode and further improve the production efficiency.
Description
Technical Field
The utility model relates to the technical field of pole piece lithium plating, in particular to a strip connecting structure for supplementing lithium. In addition, the utility model also relates to an evaporation and lithium supplementing integrated machine.
Background
In the first charging process of the lithium ion battery, the organic electrolyte is reduced and decomposed on the surface of the negative electrode, so that lithium from the positive electrode is permanently consumed, and the capacity and energy density of the lithium ion battery are reduced. To solve this problem, batteries are supplemented with a certain amount of active lithium, a "prelithiation" technique follows. The pre-lithiation technology comprises negative electrode lithium supplement and positive electrode lithium supplement, and the existing lithium supplement technology comprises calendaring type lithium supplement, lithium-rich positive electrode formation lithium supplement, vacuum winding evaporation plating lithium supplement and the like.
The vacuum winding evaporation lithium supplementing method is characterized in that lithium is adhered to a coiled tape of a carrier film coil by utilizing a vacuum coating process, a coating film is formed on the surface of a negative electrode plate, the carrier film coil, the electrode plate coil or the lithium coiled tape is required to be disconnected when the carrier film coil, the electrode plate coil or the lithium coiled tape is replaced, and the existing equipment is very troublesome when a new carrier film coil, a new electrode plate coil or a new lithium coiled tape is reconnected, and even the production efficiency is influenced.
Disclosure of Invention
In view of the above, the present utility model is directed to a tape splicing structure for lithium supplementing, so as to improve the splicing manner of the tape and further improve the production efficiency.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a connect area structure for mending lithium, includes two relatively setting up platforms, drives two the platform and is close to each other or first drive division that keeps away from, prepares the gluey unit, and with the rubberizing unit of being fit for of the rubberizing unit; the glue preparation unit can grasp glue stickers, and when two platforms are close to or far away from each other, the glue stickers can be grasped by the glue stickers, and the coiled tapes on the two platforms are adhered together through the glue stickers.
Further, the tape connecting structure for lithium supplementing further comprises a telescopic part, a cutting part connected with the telescopic part, and a tape between two platforms can be cut off when the telescopic part stretches.
Further, two the platforms are all provided with second drive portions, the second drive portions are connected with pressing blocks, and the second drive portions drive the pressing blocks to resist the broken coiled tape.
Further, the rubberizing unit comprises a rotating part, a rotating bracket connected with the rotating part, and a plurality of vacuum chucks rotating along with the rotating bracket, wherein the vacuum chucks are used for adsorbing the rubberizing pieces.
Compared with the prior art, the utility model has the following advantages:
according to the tape connecting structure for lithium supplementing, when the tape is replaced, one platform is close to the other platform, the rubberizing unit can transfer the rubberizing piece provided by the rubberizing unit, the disconnected tape between the two platforms is adhered by the rubberizing piece, and the tape can be conveniently connected, so that the production efficiency is improved.
Secondly, when the extension of the extension portion, the cutting portion connected with the extension portion can cut off the coiled tape between the two platforms, and the coiled tape disconnected on the two platforms is pressed through the pressing block, so that the coiled tape disconnected on the two platforms is conveniently connected, or when the coiled tape is replaced, the beginning of a new coiled tape is pressed on one of the platforms, and then the new coiled tape is connected with the coiled tape on the remaining platform, so that the coiled tape is conveniently adhered, and the production efficiency is improved.
The utility model also relates to an evaporation and lithium supplementing integrated machine, which is provided with the above band-connecting structure for lithium supplementing, has the technical advantages of the band-connecting structure for lithium supplementing, and can improve the production efficiency of the evaporation and lithium supplementing integrated machine.
Further, the evaporation and lithium supplementing integrated machine comprises a box body, a pole piece unreeling box, a plurality of carrier film unreeling boxes, a plurality of lithium belt unreeling boxes, a covering unit and an evaporation unit, wherein the pole piece unreeling box, the carrier film unreeling box and at least one part of the lithium belt unreeling box are provided with the belt connecting structure for supplementing lithium;
the pole piece unreeling box is used for paying out pole piece coiled tapes, the carrier film unreeling box is used for paying out carrier film coiled tapes, the lithium tape unreeling box is used for paying out lithium tape coiled tapes, and the number of the lithium tape unreeling boxes corresponds to the number of the carrier film unreeling boxes one by one;
the evaporation unit is used for volatilizing the lithium strip coil to the side surface of the carrier film coil facing the pole piece coil, and when the carrier film coil and the pole piece coil pass through the laminating unit, a plurality of carrier film coils are attached to two sides of the pole piece coil, and the laminating unit extrudes the carrier film coil facing the pole piece coil.
Further, the evaporation and lithium supplementing integrated machine further comprises a lithium plating roller arranged on one side of the carrier film winding, wherein one side surface of the carrier film winding is in butt joint with the corresponding surface of the lithium plating roller, the other side surface of the carrier film winding faces towards the corresponding evaporation unit, and a cooling medium is arranged in the middle of the lithium plating roller.
Further, the evaporation lithium supplementing integrated machine further comprises a pole piece winding box and a plurality of carrier film winding boxes which are arranged in the box body, wherein at least one of the pole piece winding boxes and the carrier film winding boxes is provided with the above-mentioned tape connecting structure for lithium supplementing;
the number of the carrier film winding boxes is in one-to-one correspondence with the number of the carrier film unwinding boxes, the pole piece winding boxes are used for collecting pole piece winding belts extruded by the laminating units, and the carrier film winding boxes are used for collecting carrier film winding belts extruded by the laminating units.
Further, the laminating unit comprises two extrusion rollers which are arranged oppositely, and the carrier film winding and the pole piece winding pass through a gap between the two extrusion rollers and can be extruded by the two extrusion rollers.
Further, the evaporation lithium supplementing integrated machine further comprises correction pair rollers which are arranged on two sides of the covering unit in a multicomponent manner, each correction pair roller is provided with a first correction roller and a second correction roller which are oppositely arranged, and each correction pair roller is flush with the covering unit; the carrier film winding and the pole piece winding sequentially pass through a gap between two correction rollers of the correction pair roller at one side, a gap between two extrusion rollers of the covering unit and a gap between two correction rollers of the correction pair roller at the other side.
According to the evaporation and lithium supplementing integrated machine, the pole piece unreeling box, the carrier film unreeling box and the lithium strip unreeling box are arranged in the box body, the pole piece winding, the carrier film winding and the lithium strip winding can be independently replaced, the influence on gas components in the box body is small, the gas loss in a sealed space of the box body can be reduced, the evaporation unit is arranged on one side of the carrier film winding, the lithium strip winding can be volatilized onto the side face of the carrier film winding directly, the lithium plating effect on the carrier film is improved, the carrier film winding is extruded at the two sides of the pole piece winding through the covering unit, lithium on the carrier film winding is transferred onto the pole piece winding, the lithium supplementing effect on the lithium strip winding is improved, and the production quality and the production efficiency are improved.
Furthermore, the lithium plating roller is arranged, so that the carrier film winding is abutted against the lithium plating roller, and the temperature of the lithium plating roller is reduced through a cooling medium in the middle of the lithium plating roller, so that the temperature of the carrier film winding is reduced, gaseous lithium is quickly attached to the carrier film winding, and the lithium plating efficiency of the carrier film winding is improved.
In addition, still set up pole piece rolling case and carrier film rolling case in the box, attached on pole piece rolling area through covering and closing the unit and being extruded the back at the carrier film winding, collect the pole piece winding through the pole piece rolling case, the carrier film winding is collected to the carrier film rolling case to collect the lapping, thereby make carrier film winding can used repeatedly, and the pole piece winding can be preserved well, guarantees the production quality of pole piece winding.
Finally, the laminating unit comprises a first extruding roller and a second extruding roller which are oppositely arranged, the carrier film winding and the pole piece winding simultaneously pass through a gap between the first extruding roller and the second extruding roller, lithium on the carrier film winding belt can be transferred to the pole piece, so that lithium is supplemented to the pole piece, correction rollers are arranged on two sides of the laminating unit, before the carrier film winding and the pole piece winding enter the laminating unit, the carrier film winding and the pole piece winding are corrected to a position parallel to a gap between the first extruding roller and the second extruding roller through the correction rollers, the carrier film winding and the pole piece winding can be better extruded through the laminating unit, and after the carrier film winding and the pole piece winding pass through the laminating unit, the carrier film winding can be better collected through the correction rollers, and the pole piece winding can be better collected through the correction rollers.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model, wherein the words of front and back, top and bottom, etc. are used to indicate relative position and are not intended to limit the utility model unduly. In the drawings:
fig. 1 is a schematic structural diagram of a ribbon structure for lithium supplementation according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a connection structure of a pressing block, a telescopic part and a second driving part on a platform of a belt connecting structure for lithium supplementing according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an evaporation and lithium-supplementing integrated machine according to a second embodiment of the present utility model;
fig. 4 is a working state diagram of two platforms at a carrier film unreeling box of a vapor deposition and lithium supplementing integrated machine according to a second embodiment of the present utility model;
fig. 5 is a schematic diagram of a structure of separation of two platforms at a carrier film unreeling box of a vapor deposition and lithium supplementing integrated machine according to a second embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a lithium tape winding and evaporation unit of an evaporation and lithium supplementing integrated machine according to a second embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a correction pair roller and a covering unit of a lithium evaporation and supplementing integrated machine according to a second embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a carrier film tape splicing of a vapor deposition and lithium supplementing integrated machine according to a second embodiment of the present utility model;
reference numerals illustrate:
1. a platform; 2. a first driving section; 3. a glue preparation unit; 4. a glue paste piece; 5. a telescopic part; 6. a cutting section; 7. a second driving section; 8. briquetting; 9. a rotating part; 10. a vacuum chuck; 11. a case; 12. a pole piece unreeling box; 13. a carrier film unreeling box; 14. a lithium belt unreeling box; 15. an evaporation unit; 16. winding a pole piece; 17. a carrier film web; 18. lithium tape winding; 19. a lithium plating roller; 20. a pole piece winding box; 21. a carrier film winding box; 22. a squeeze roll; 23. correction rollers; 24. a slide rail; 25. an isolation door; 26. changing the rolling door; 27. an auxiliary roller; 28. a roller; 29. support legs; 30. and a roll diameter detection sensor.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that, if terms indicating an azimuth or a positional relationship such as "upper", "lower", "inner", "back", etc., are presented, they are based on the azimuth or the positional relationship shown in the drawings, only for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; if the terms "first," "second," etc. are used herein, they are used for descriptive purposes only and not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
The embodiment relates to a tape connecting structure for lithium supplementing, which can improve the tape connecting mode, thereby improving the production efficiency; an exemplary configuration of which is shown in fig. 1-8.
In whole, this a connect area structure for mending lithium includes two relative platform 1 that set up, drives two platform 1 and is close to each other or first drive division 2 that keep away from, prepares the gluey unit 3 to and the rubberizing unit of preparing gluey unit 3 adaptation.
Wherein, be equipped with gluey unit 3 and be used for providing gluey piece 4, first drive portion 2 is preferably cylinder or electric putter, the telescopic link of first drive portion 2 is connected with one of them platform 1, another platform 1 is motionless to when driving two platforms 1 and being close to each other, gluey unit shifts gluey piece 4 to two platform 1 departments, and glue the winding on two platforms 1 together through gluey piece 4, thereby when changing the winding or breaking the winding, utilize gluey unit and glue piece 4 that is provided through being equipped with gluey unit 3 to connect the winding of breaking on two platforms 1. The approach between the two platforms 1 is numerous, preferably a sliding manner, i.e. a sliding rail 24 is fixedly mounted on one of the platforms 1, and the other platform 1 is slidably mounted on the sliding rail 24, so that one of the platforms 1 is slidably close to the other platform 1.
In this embodiment, a connect area structure for mending lithium still includes telescopic portion 5, with the cutting portion 6 that telescopic portion 5 is connected can cut off two when telescopic portion 5 stretches out and draws back the winding between the platform 1, wherein, telescopic portion 5 is preferably cylinder or electric putter, cutting portion 6 is preferably the cutting knife, the link of cutting knife is connected with the telescopic link of telescopic portion 5, the cutting edge of cutting knife holds towards the winding between two platforms 1, when telescopic portion 5 stretches out, cutting portion 6 upwards stretches out along telescopic portion 5, with the cutting edge of cutting portion 6 and the winding butt between two platforms 1 to cut off the winding between two platforms 1.
In addition, be equipped with second drive portion 7 on two platforms 1, second drive portion 7 is preferably cylinder or electric putter, connect briquetting 8 on second drive portion 7, second drive portion 7 can drive briquetting 8 to push down disconnected winding, so set up, when changing the winding, can slide briquetting 8 down and push down the winding on one of them platform 1, immediately after the change is accomplished, roll up the beginning department of new winding through briquetting 8 on another platform 1, make one of them platform 1 be close to another platform 1 again, finally utilize adhesive piece 4 to bond the winding between two platforms 1, of course, when cutting the winding between two platforms 1 with cutting part 6, also utilize the slider to push down the winding between two platforms 1, reuse cutting part 6 separates the winding, when continuing, utilize adhesive piece 4 to bond disconnected winding on two platforms 1, after the bonding is accomplished, carry the winding of releasing through first drive part 2, so that can normally work.
In this embodiment, the rubberizing unit comprises a rotating part 9, a rotating bracket connected with the rotating part 9, and a plurality of vacuum chucks 10 rotating along with the rotating bracket, wherein the vacuum chucks 10 are used for adsorbing the rubberizing pieces 4. Wherein, rotating part 9 is the motor preferentially, the runing rest follows the output shaft rotation of motor, again fix a plurality of vacuum chuck 10 on the runing rest, and a plurality of vacuum chuck 10 set up along the output shaft circumference of motor, when rotating part 9 carries one of them vacuum chuck 10 to be rotated to be equipped with gluey unit 3 department through the runing rest, vacuum chuck 10 starts the gluey piece 4 of rubberizing unit cutting department and adsorbs, rethread rotating part 9 carries vacuum chuck 10 to rotate to between two platforms 1, loosen gluey piece 4, make gluey piece 4 contact with the winding of disconnection, for improving the bonding effect between gluey piece 4 and the winding of disconnection, can apply the malleation to vacuum chuck 10, vacuum chuck 10 can push the gluey piece 4 to the winding of disconnection, thereby bond the winding.
The working process of the ribbon structure for lithium supplement of this embodiment is as follows:
when the tape between the two platforms 1 needs to be disconnected, firstly, the first driving part 2 drives the pressing blocks 8 to move downwards, the pressing blocks 8 on the two platforms 1 are pressed on the corresponding platforms 1, the telescopic part 5 carries the cutting part 6 to stretch, the cutting edge of the cutting part 6 moves towards the tape between the two platforms 1, so that the tape between the two platforms 1 is cut off, then, when the tape needs to be reconnected, one of the platforms 1 is close to the other platform 1, the rotating part 9 carries the vacuum chuck 10 to rotate to the position of the glue preparation unit 3, the vacuum chuck 10 adsorbs one glue piece 4, then rotates to the position above the two platforms 1, positive pressure is applied to the vacuum chuck 10, and the vacuum chuck 10 pushes the glue piece 4 to be connected between the disconnected tapes of the two platforms 1 and is bonded, so that the tape can work normally.
When the coiled tape needs to be replaced again, the tail end of the coiled tape is pressed on one of the platforms 1 through the pressing block 8, after the new coiled tape is replaced, the head end of the new coiled tape is pressed on the other platform 1, one of the platforms 1 is close to the other platform 1, and the adhesive piece 4 is adhered between the disconnected coiled tapes on the two platforms 1 through the vacuum chuck 10.
Example two
This embodiment designs a evaporation plating lithium-supplementing all-in-one, and this evaporation plating lithium-supplementing all-in-one adopts the structure of taking the area that is used for the benefit of lithium of embodiment one, can possess the technical advantage that is used for the structure of taking the benefit of lithium in embodiment one to improve the production efficiency of evaporation plating lithium-supplementing all-in-one.
In this embodiment, the evaporation and lithium supplementing integrated machine includes a box 11, a sealed space is provided in the box 11, a pole piece unreeling box 12, a plurality of carrier film unreeling boxes 13, a plurality of lithium strip unreeling boxes 14, a covering unit, and an evaporation unit 15 which are arranged in the box 11, and at least one of the pole piece unreeling box 12, the carrier film unreeling box 13, and the lithium strip unreeling box 14 is provided with the tape splicing structure for lithium supplementing of the first embodiment. The pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14 are independently arranged in the box body 11, one platform 1 in the tape receiving structure for supplementing lithium is positioned in the pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14, the sliding rail 24 between the first driving part 2 and the two platforms 1 is fixed on the inner wall of the box body 11, the glue preparation unit 3 can be fixed in the box body 11, and the isolating door 25 is arranged on each pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14, when being used for changing piece winding, carrier film winding 17 and lithium tape winding 18, one of them platform 1 slides into box 11 through the division door 25 in, can reduce the influence to the air circumstance in the box 11, can set up on box 11 and trade rolling door 26, all correspond a trade rolling door 26 on every pole piece unreel case 12, carrier film unreel case 13 and the lithium tape unreel case 14, with pole piece unreel case 12, carrier film unreel case 13 and lithium tape unreel case 14 and the external intercommunication of box 11 through trade rolling door 26 to be convenient for change pole piece winding 16, carrier film winding 17 and lithium tape winding 18.
The pole piece unreeling box 12 is used for paying out the pole piece coiled tape 16, the carrier film unreeling box 13 is used for paying out the carrier film coiled tape 17, the lithium tape unreeling box 14 is used for paying out the lithium tape coiled tape 18, and the quantity of the lithium tape unreeling boxes 14 corresponds to the quantity of the carrier film unreeling boxes 13 one by one.
Based on the above arrangement, the inside of each of the pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14 is provided with the roller 28 rotatably connected with the box 11, so that the pole piece roll tape 16, the carrier film roll tape 17 and the lithium tape roll tape 18 can rotate in the pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14, the driving force of the roller 28 can be driven by a motor, and the isolating door 25 for enabling the pole piece roll tape 16, the carrier film roll tape 17 and the lithium tape roll tape 18 to enter the box 11 is also opened on each of the pole piece unreeling box 12, the carrier film unreeling box 13 and the lithium tape unreeling box 14, so that the pole piece roll tape 16, the carrier film roll tape 17 and the lithium tape roll tape 18 can enter the box 11.
In a specific implementation, the evaporation unit 15 is used for volatilizing the lithium strip coil 18 to the side surface of the carrier film coil 17 facing the pole piece coil 16, and when the carrier film coil 17 and the pole piece coil 16 pass through the laminating unit, the plurality of carrier film coils 17 are attached to two sides of the pole piece coil 16, and the laminating unit extrudes the carrier film coil 17 towards the pole piece coil 16. The evaporation unit 15 may adopt an evaporation crucible with the publication number CN218580036U and an evaporation system, in this case, the laminating unit may provide a pulling force for the carrier film winding 17 and the pole piece winding 16, so that the carrier film winding 17 and the pole piece winding 16 may be normally unwound, and through the laminating unit, two auxiliary rollers 27 are disposed in the case 11, which are close to the auxiliary rollers 27 of the lithium tape unwinding case 14, and the lithium tape winding 18 passes through a gap between the two auxiliary rollers 27 and abuts against the auxiliary rollers 27, and the two auxiliary rollers 27 may provide power for the lithium tape winding 18, and pull the lithium tape winding 18 to the evaporation unit 15.
In this embodiment, the evaporation and lithium supplementing integrated machine further includes a lithium plating roller 19 disposed at one side of the carrier film winding 17, wherein one side surface of the carrier film winding 17 is abutted to the corresponding surface of the lithium plating roller 19, the other side surface of the carrier film winding 17 faces the corresponding evaporation unit 15, and a cooling medium is disposed in the middle of the lithium plating roller 19. The middle part of the lithium plating roller 19 is of a hollow structure, the cooling medium is preferably cooling oil, the temperature of the lithium plating roller 19 can be reduced, and since the cooling oil always needs to flow during operation, a small through hole is formed in the lithium plating roller 19 of the box 11, and the cooling oil is introduced into the lithium plating roller 19 through a pipeline, so that the cooling oil can be cooled circularly, and certainly the through hole does not influence the rotation of the lithium plating roller 19.
In this embodiment, the evaporation and lithium supplementing integrated machine further comprises a pole piece winding box 20 and a plurality of carrier film winding boxes 21 which are arranged in the box body 11, and at least one of the pole piece winding box 20 and the carrier film winding boxes is provided with the tape connecting structure for lithium supplementing of the first embodiment. Wherein, each pole piece rolling box 20, carrier film rolling box 21 are all equipped with the above-mentioned roll-changing door 26 and isolation door 25 to conveniently change the pole piece winding 16 and the carrier film winding 17 of collecting, carrier film winding 17 can reuse, and all be equipped with the above-mentioned roller 28 by motor drive in each pole piece rolling box 20 and carrier film rolling box 21, in order to provide power to roller 28, can wind carrier film winding 17 and pole piece winding 16 into carrier film rolling box 21 and pole piece rolling box 20.
In specific implementation, the number of the carrier film winding boxes 21 corresponds to the number of the carrier film unwinding boxes 13 one by one, the pole piece winding boxes 20 are used for collecting pole piece winding belts 16 extruded by the laminating units, and the carrier film winding boxes 21 are used for collecting carrier film winding belts 17 extruded by the laminating units.
The laminating unit comprises two oppositely arranged squeeze rollers 22, the carrier film winding 17 and the pole piece winding 16 penetrate through gaps between the two squeeze rollers 22 and can be squeezed by the two squeeze rollers 22 to squeeze the carrier film winding 17 at two sides of the pole piece winding 16, so that two side surfaces of the pole piece winding 16 can be fully contacted with lithium on the carrier film winding 17 and lithium is transferred to the carrier film winding 17, the pole piece winding 16 is supplemented with lithium, the gaps between the two squeeze rollers 22 can be smaller than the thickness of the carrier film winding 17 and the pole piece winding 16 after being attached together, the carrier film winding 17 is squeezed towards the pole piece winding 16 by the two squeeze rollers 22, and of course, a motor can be arranged, the motor is fixedly connected with one of the squeeze rollers 22 or the two squeeze rollers 22, and the output rod of the motor drives the squeeze rollers 22 to rotate.
In addition, the evaporation lithium supplementing integrated machine further comprises two groups of correction pair rollers with two correction rollers 23, the two groups of correction pair rollers are flush with the laminating unit, and the carrier film winding 17 and the pole piece winding 16 sequentially pass through a gap between the two correction rollers 23 of one side correction pair roller, a gap between the two extrusion rollers 22 of the laminating unit and a gap between the two correction rollers 23 of the other side correction pair roller. So arranged, the two sets of correction pairs of rollers correct the horizontal position of the pole piece roll 16 and the carrier film roll 17 before the pole piece roll 16 and the carrier film roll 17 enter the gap between the two correction rollers 23 of the pair of rollers through one side of the correction pairs, and after the correction pairs of rollers 23 pass through the gap between the two correction rollers 23 of the pair of rollers through the other side of the correction pairs, so that the pole piece roll 16 and the carrier film roll 17 enter and leave the gap between the two correction rollers 23 conveniently.
In the present embodiment, the bottom of the case 11 is provided with support legs 29 for supporting the case 11, and a plurality of auxiliary rollers 27 for assisting the movement of the pole piece tape 16, the carrier film tape 17, and the lithium tape roll 18 within the case 11 are rotatably provided within the case 11.
In addition, evaporation plating and lithium supplementing integrated machine further comprises a control board, and the components such as the first driving part 2, the telescopic part 5, the second driving part 7, the isolation door 25, the rotating part 9, the glue preparation unit 3, the motor for driving the roller 28 to rotate and the like can be connected with the control board in a signal mode, and work among the components can be uniformly allocated by the control board, so that automatic production can be realized.
In addition, in each of the pole piece unwinding case 12, the pole piece winding case 20, the carrier film unwinding case 13, the carrier film winding case 21 and the lithium tape unwinding case 14, a winding diameter detection sensor 30 is installed, and the winding diameter detection sensor 30 is signal-connectable to the above-described control board, and is capable of detecting winding diameters of the pole piece winding 16, the carrier film winding 17 and the lithium tape winding 18, and when the pole piece winding 16, the carrier film winding 17 and the lithium tape winding 18 are about to run out, the production of the equipment can be controlled to stop.
The working process of the evaporation and lithium supplementing integrated machine of this embodiment is as follows:
in this description, the replacement of the carrier film winding 17 is described by taking the case where the second driving part 7 carries the pressing block 8 to press the winding on the two platforms 1 onto the platforms 1, then the telescopic part 5 carries the cutting part 6 to move upwards, the winding between the two platforms 1 is cut off by the cutting part 6, the platform 1 near the carrier film unwinding box 13 is pushed into the carrier film unwinding box 13 by the first driving part 2, the carrier film unwinding box 13 is isolated from the box 11 by the isolating door 25, when the inner air pressure of the replacement coil approaches to the atmospheric pressure, the winding replacing door 26 is opened again, the carrier film winding 17 which is used up or is about to run out is taken down, the new carrier film winding 17 is inserted onto the roller 28 of the carrier film unwinding box 13, the starting end of the new carrier film winding 17 is dragged onto the platform 1 inside the carrier film unwinding box 13, finally the winding replacing door 26 is closed, the air component in the sealing space in the box 11 is reset according to the specification, after the air component in the sealing space conforms to the specification, the replacing door 26 is opened, the carrier film unwinding box 1 is wound into the sealing unit 1 again, the carrier film winding 1 is wound up by the two platforms 1 is separated from the sealing unit, and the carrier film winding 17 is wound up by the vacuum unit, and the carrier film is normally wound down, and the carrier film winding is adhered to the carrier film winding 1 is wound on the carrier film winding unit, and the carrier film is wound. Of course, the replacement process of the pole piece tape 16 and the lithium tape 18 is the same as the replacement process of the carrier film tape 17.
After the replacement of the pole piece winding 16, the carrier film winding 17 and the lithium strip winding 18 is completed, the pole piece winding 16 and the carrier film winding 17 are wound around the auxiliary roller 27, the carrier film winding 17 is abutted against the lithium plating roller 19, the lithium strip winding 18 is volatilized into gas through the evaporation unit 15 and attached to the side surface of the carrier film winding 17, the gaseous lithium is quickly solidified through a cooling medium, the pole piece winding 16 and the two carrier film winding 17 attached with lithium pass through a gap between the two correction rollers 23 together, the positions of the pole piece winding 16 and the carrier film winding 17 are corrected, the pole piece winding 16 and the carrier film winding 17 pass through a gap between the two extrusion rollers 22, the lithium on the carrier film winding 17 is attached to the pole piece winding 16 through extrusion of the extrusion rollers 22, then the pole piece winding 16 and the carrier film winding 17 pass through a gap between the other group of the two correction rollers 23, the pole piece winding 16 is wound on the roller 28 of the pole piece winding box 20, the pole piece winding 16 for supplementing lithium is collected, and the carrier film winding 17 is wound in the carrier film winding box 21, so that the carrier film winding 17 can be reused.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. A connect area structure for mending lithium, its characterized in that:
the device comprises two oppositely arranged platforms, a first driving part for driving the two platforms to be close to or far away from each other, a glue preparation unit and a glue sticking unit matched with the glue preparation unit;
the glue preparation unit is used for providing glue stickers, and when two platforms are close to or far away from each other, the glue stickers can be grabbed by the glue stickers, and the coiled tapes on the two platforms are adhered together through the glue stickers.
2. The ribbon structure for lithium supplement according to claim 1, characterized in that:
the device also comprises a telescopic part, a cutting part connected with the telescopic part, and a winding belt between the two platforms can be cut off when the telescopic part stretches.
3. The ribbon structure for lithium supplement according to claim 2, characterized in that:
the two platforms are respectively provided with a second driving part, the second driving parts are connected with pressing blocks, and the second driving parts drive the pressing blocks to press the disconnected coiled tape.
4. A tape structure for lithium supplementation according to any one of claims 1 to 3, wherein:
the rubberizing unit comprises a rotating part, a rotating bracket connected with the rotating part and a plurality of vacuum chucks rotating along with the rotating bracket, wherein the vacuum chucks are used for adsorbing the rubberizing pieces.
5. The utility model provides a lithium all-in-one is mended in evaporation plating which characterized in that:
the evaporation and lithium supplementing integrated machine is provided with the strip connecting structure for lithium supplementing according to any one of claims 1-4.
6. The vapor deposition and lithium supplementing integrated machine according to claim 5, wherein:
the evaporation and lithium supplementing integrated machine comprises a box body, a pole piece unreeling box, a plurality of carrier film unreeling boxes, a plurality of lithium belt unreeling boxes, a covering unit and an evaporation unit, wherein the pole piece unreeling box, the carrier film unreeling box and at least one of the lithium belt unreeling boxes are provided with the belt connecting structure for lithium supplementing according to any one of claims 1-4;
the pole piece unreeling box is used for paying out pole piece coiled tapes, the carrier film unreeling box is used for paying out carrier film coiled tapes, the lithium tape unreeling box is used for paying out lithium tape coiled tapes, and the number of the lithium tape unreeling boxes corresponds to the number of the carrier film unreeling boxes one by one;
when the carrier film winding and the pole piece winding pass through the laminating unit, a plurality of carrier film windings are attached to two sides of the pole piece winding, and the laminating unit extrudes the carrier film winding towards the pole piece winding.
7. The vapor deposition and lithium supplementing integrated machine according to claim 6, wherein:
the lithium plating device is characterized by further comprising a lithium plating roller arranged on one side of the carrier film winding, wherein one side surface of the carrier film winding is abutted against the corresponding surface of the lithium plating roller, the other side surface of the carrier film winding faces towards the corresponding evaporation unit, and a cooling medium is arranged in the middle of the lithium plating roller.
8. The vapor deposition and lithium supplementing integrated machine according to claim 6, wherein:
the lithium ion battery pack also comprises a pole piece winding box and a plurality of carrier film winding boxes which are arranged in the box body, wherein at least one of the pole piece winding box and the carrier film winding box is provided with the tape connecting structure for lithium ion battery pack according to any one of claims 1-4;
the number of the carrier film winding boxes is in one-to-one correspondence with the number of the carrier film unwinding boxes, the pole piece winding boxes are used for collecting pole piece winding belts extruded by the laminating units, and the carrier film winding boxes are used for collecting carrier film winding belts extruded by the laminating units.
9. The vapor deposition and lithium supplementing integrated machine according to any one of claims 6 to 8, wherein:
the laminating unit comprises two extrusion rollers which are oppositely arranged, and the carrier film coiled tape and the pole piece coiled tape can be extruded by the two extrusion rollers after passing through a gap between the two extrusion rollers.
10. The vapor deposition and lithium supplementing integrated machine according to claim 9, wherein:
the correction pair rollers are arranged on two sides of the covering unit in a multicomponent manner, each correction pair roller is provided with a first correction roller and a second correction roller which are oppositely arranged, and each correction pair roller is flush with the covering unit;
the carrier film winding and the pole piece winding sequentially pass through a gap between two correction rollers of the correction pair roller at one side, a gap between two extrusion rollers of the covering unit, and a gap between two correction rollers of the correction pair roller at the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321332697.3U CN219906341U (en) | 2023-05-29 | 2023-05-29 | A connect area structure and evaporation plating lithium supplementing all-in-one for mending lithium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321332697.3U CN219906341U (en) | 2023-05-29 | 2023-05-29 | A connect area structure and evaporation plating lithium supplementing all-in-one for mending lithium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219906341U true CN219906341U (en) | 2023-10-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321332697.3U Active CN219906341U (en) | 2023-05-29 | 2023-05-29 | A connect area structure and evaporation plating lithium supplementing all-in-one for mending lithium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219906341U (en) |
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2023
- 2023-05-29 CN CN202321332697.3U patent/CN219906341U/en active Active
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