CN111162321A - Composite pole piece conveying device and composite pole piece conveying system - Google Patents

Composite pole piece conveying device and composite pole piece conveying system Download PDF

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Publication number
CN111162321A
CN111162321A CN202010120442.5A CN202010120442A CN111162321A CN 111162321 A CN111162321 A CN 111162321A CN 202010120442 A CN202010120442 A CN 202010120442A CN 111162321 A CN111162321 A CN 111162321A
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CN
China
Prior art keywords
pole piece
composite pole
frame body
roller assembly
pressing roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010120442.5A
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Chinese (zh)
Inventor
郑耿杰
李攀攀
阳如坤
陈飞
魏宏生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Geesun Intelligent Technology Co Ltd
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Shenzhen Geesun Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen Geesun Intelligent Technology Co Ltd filed Critical Shenzhen Geesun Intelligent Technology Co Ltd
Priority to CN202010120442.5A priority Critical patent/CN111162321A/en
Publication of CN111162321A publication Critical patent/CN111162321A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G13/00—Roller-ways
    • B65G13/02—Roller-ways having driven rollers
    • B65G13/06—Roller driving means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/005—Devices for making primary cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M6/00—Primary cells; Manufacture thereof
    • H01M6/14—Cells with non-aqueous electrolyte
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention provides a composite pole piece conveying device and a composite pole piece conveying system, and relates to the technical field of lithium battery manufacturing. Compared with the prior art, the composite pole piece conveying device provided by the invention has the advantages that the hot pressing roller assembly replaces a MYLAR film to clamp and convey the composite pole piece, a MYLAR film can be avoided, meanwhile, extra equipment is not required to be arranged for compounding, and the overall occupied space and the operation cost are reduced.

Description

Composite pole piece conveying device and composite pole piece conveying system
Technical Field
The invention relates to the technical field of lithium battery manufacturing, in particular to a composite pole piece conveying device and a composite pole piece conveying system.
Background
At present, when a pole piece and a diaphragm are compounded, a MYLAR film is adopted for clamping and transporting, so that the pole piece is protected and the pole piece is prevented from moving. The MYLAR film consumption is large due to the large lamination output, the material cost is increased, and meanwhile, the production time is occupied by material replacement.
In the prior art, the MYLAR film is difficult to replace for thermal compounding in other ways due to the fact that a proper carrier cannot be found. Adopt MYLAR membrane to compound simultaneously and can additionally set up a lot of corresponding equipment, increased holistic occupation space undoubtedly, the structure is complicated simultaneously, has increased and has traded the material time of stopping, and MYLAR membrane self is also not very as consumptive material expense in addition, has increased the running cost.
In view of this, it is very important to design and manufacture a composite pole piece conveying device that can avoid using a MYLAR film, and does not need to additionally provide redundant equipment for compounding, thereby reducing the overall occupied space and operation cost.
Disclosure of Invention
The invention aims to provide a composite pole piece conveying device, which can avoid MYLAR films, does not need extra equipment for compounding, and reduces the overall occupied space and operation cost.
The invention also aims to provide the composite pole piece conveying device which is good in composite effect, small in occupied space and low in cost.
The invention is realized by adopting the following technical scheme.
In one aspect, the invention provides a composite pole piece conveying device, which comprises a first frame body and a second frame body which are oppositely arranged, wherein a first hot-pressing roller assembly is arranged on the first frame body, a second hot-pressing roller assembly is arranged on the second frame body, a pressing channel for a composite pole piece to pass through is formed between the first hot-pressing roller assembly and the second hot-pressing roller assembly, and the first hot-pressing roller assembly and the second hot-pressing roller assembly are used for respectively pressing the upper side and the lower side of the composite pole piece.
Furthermore, the first hot-pressing roller assembly comprises a plurality of first press-fit rollers, the plurality of first press-fit rollers are rotatably arranged on the first frame body, and the plurality of first press-fit rollers are arranged in parallel to each other and are used for press-fitting the upper side surfaces of the composite pole pieces.
Further, the first hot-pressing roller assembly further comprises a plurality of first heaters, and the plurality of first heaters are arranged on the first frame body, are staggered with the plurality of first laminating rollers, and are used for heating the upper side surface of the composite pole piece.
Furthermore, the second hot-pressing roller assembly comprises a plurality of second press-fit rollers, the plurality of second press-fit rollers are rotatably arranged on the second frame body, the plurality of second press-fit rollers are arranged in parallel to each other and form the press-fit channel together with the plurality of first press-fit rollers, and the plurality of second press-fit rollers are used for press-fitting the lower side surface of the composite pole piece.
Further, the second hot-pressing roller assembly further comprises a plurality of second heaters, and the plurality of second heaters are arranged on the second frame body and staggered with the plurality of second laminating rollers and used for heating the lower side surface of the composite pole piece.
Furthermore, the first press-fit rollers and the second press-fit rollers are arranged in a one-to-one correspondence manner, and the first press-fit rollers and the second press-fit rollers are non-contact magnetic gears.
Furthermore, the composite pole piece conveying device also comprises a roller driving assembly, wherein the roller driving assembly is arranged on the first frame body, is in transmission connection with the first hot pressing roller assembly and is used for driving the first hot pressing roller assembly to move; or the roller driving assembly is arranged on the second frame body, is in transmission connection with the second hot pressing roller assembly and is used for driving the second hot pressing roller assembly to move.
Further, the composite pole piece conveying device further comprises a frame driving mechanism, wherein the frame driving mechanism is connected with the first frame body and used for driving the first frame body to be close to or far away from the second frame body so as to adjust the width of the pressing channel.
Furthermore, a first feeding roller is further arranged at one end, close to the feeding port of the pressing channel, of the first frame body, a second feeding roller is further arranged at one end, close to the feeding port of the pressing channel, of the second frame body, and the first feeding roller and the second feeding roller are oppositely arranged and form a feeding channel communicated with the pressing channel.
A composite pole piece conveying system comprises a heating driving roller assembly and a composite pole piece conveying device, wherein the composite pole piece conveying device comprises a first frame body and a second frame body which are arranged oppositely, a first hot pressing roller assembly is arranged on the first frame body, a second hot pressing roller assembly is arranged on the second frame body, a pressing channel for composite pole pieces to pass through is formed between the first hot pressing roller assembly and the second hot pressing roller assembly, and the first hot pressing roller assembly and the second hot pressing roller assembly are used for being respectively pressed on the upper side and the lower side of the composite pole piece. A heating driven roller assembly is disposed on a discharge side of the nip channel.
The invention has the following beneficial effects:
according to the composite pole piece conveying device provided by the invention, the first hot pressing roller assembly is arranged on the first frame body, the second hot pressing roller assembly is arranged on the second frame body, and the first frame body and the second frame body are oppositely arranged, so that a pressing channel for the composite pole piece to pass through is formed between the first hot pressing roller assembly and the second hot pressing roller assembly, and meanwhile, the first hot pressing roller assembly and the second hot pressing roller assembly are respectively pressed on the upper side and the lower side of the composite pole piece, so that the composite pole piece is clamped, and the components of the composite pole piece are ensured not to relatively move. Compared with the prior art, the composite pole piece conveying device provided by the invention has the advantages that the hot pressing roller assembly replaces a MYLAR film to clamp and convey the composite pole piece, a MYLAR film can be avoided, meanwhile, extra equipment is not required to be arranged for compounding, and the overall occupied space and the operation cost are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic overall structural diagram of a composite pole piece conveying device according to a first embodiment of the present invention;
fig. 2 is a schematic view of an installation structure of the first frame and the second frame in fig. 1;
FIG. 3 is a schematic view of an installation structure of the first and second stitching rollers of FIG. 2;
fig. 4 is a schematic structural diagram of a composite pole piece conveying system according to a second embodiment of the present invention.
Icon: 100-a composite pole piece conveying device; 110-a first frame; 111-a first feed roll; 120-a first hot press roll assembly; 121-a first stitching roller; 123-a first heater; 130-a second frame; 131-a second feed roll; 140-a second hot-press roll assembly; 141-a second stitching roller; 143-a second heater; 150-a gantry drive mechanism; 151-opening and closing cylinder; 153-a drive mount; 170-roller drive assembly; 200-heating drives through the roller assembly.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships conventionally put on the products of the present invention when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the invention are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.
First embodiment
Referring to fig. 1, the present embodiment provides a composite pole piece conveying device 100, and the composite pole piece is clamped and conveyed by a hot-pressing roller assembly instead of a MYLAR film, so that a MYLAR film can be avoided, and meanwhile, no extra equipment is required to be additionally provided for compounding, thereby reducing the overall occupied space and the operation cost.
The composite pole piece conveying device 100 provided by this embodiment includes a first frame body 110, a second frame body 130, a frame driving mechanism 150 and a roller driving assembly 170, wherein the first frame body 110 and the second frame body 130 are oppositely disposed, a first hot-pressing roller assembly 120 is disposed on the first frame body 110, a second hot-pressing roller assembly 140 is disposed on the second frame body 130, a pressing channel for the composite pole piece to pass through is formed between the first hot-pressing roller assembly 120 and the second hot-pressing roller assembly 140, and the first hot-pressing roller assembly 120 and the second hot-pressing roller assembly 140 are respectively pressed on the upper side and the lower side of the composite pole piece. The roller driving assembly 170 is disposed on the first frame body 110 and is in transmission connection with the first hot pressing roller assembly 120, and is used for driving the first hot pressing roller assembly 120 to move; or the roller driving assembly 170 is disposed on the second frame body 130 and is in transmission connection with the second hot pressing roller assembly 140 for driving the second hot pressing roller assembly 140 to move. The frame driving mechanism 150 is connected to the first frame 110 and is used for driving the first frame 110 to approach or depart from the second frame 130 so as to adjust the width of the pressing channel.
In this embodiment, the second frame 130 is fixedly disposed on a mounting frame, and the frame driving mechanism 150 is disposed on the mounting frame and is in transmission connection with the first frame 110, so as to drive the first frame 110 to approach or be away from the second frame 130. Wherein the first frame body 110 is disposed above the second frame body 130, the first hot pressing roller assembly 120 is disposed at a lower side of the first frame body 110, and the second hot pressing roller assembly 140 is disposed at an upper side of the second frame body 130, so that a nip passage can be formed between the first hot pressing roller assembly 120 and the second hot pressing roller assembly 140.
In this embodiment, the width of the stitching channel increases or narrows with the movement of the first frame body 110, specifically, when the first frame body 110 is close to the second frame body 130 to a limit position, the width of the stitching channel should be slightly smaller than the thickness of the composite pole piece, so as to stitch the composite pole piece through the stitching channel, and when the first hot-pressing roller assembly 120 or the second hot-pressing roller assembly 140 needs to be cleaned or repaired, the frame driving mechanism 150 drives the first frame body 110 to be away from the second frame body 130, so that the first hot-pressing roller assembly 120 and the second hot-pressing roller assembly 140 are respectively exposed, thereby facilitating the cleaning and the repair.
It should be noted that the composite pole piece mentioned in this embodiment is a lamination product of a conventional pole piece and a membrane, and generally includes two pole pieces and a membrane sandwiched therebetween, but of course, other lamination modes may also be used, and are not limited herein. The lamination is carried to next process after carrying out the pressfitting through pressfitting passageway.
Frame actuating mechanism 150 is including opening and shutting cylinder 151 and drive mounting bracket 153, and drive mounting bracket 153 is fixed to be set up on outside support body, and opening and shutting cylinder 151 sets up on drive mounting bracket 153, and the piston rod of opening and shutting cylinder 151 is connected with first support body 110, and under the drive of opening and shutting cylinder 151, vertical direction motion can be followed to first support body 110 to the realization is close to or keeps away from second support body 130.
In this embodiment, the upper side of the first frame body 110 is further provided with a guide rod, the driving mounting frame 153 is disposed directly above the first frame body 110, a guide hole for the guide rod to pass through is formed in the driving mounting frame 153, and the guide rod moves in the vertical direction under the guiding effect of the guide hole, so that the first frame body 110 can accurately move in the vertical direction.
Of course, the opening and closing cylinder 151 may be replaced by other driving members, such as an electric push rod or a hydraulic cylinder, and is not limited in detail herein. However, any driving member capable of driving the first frame 110 to move is within the scope of the present invention.
In this embodiment, a first feeding roller 111 is further disposed at one end of the first frame body 110 close to the feeding port of the pressing channel, a second feeding roller 131 is further disposed at one end of the second frame body 130 close to the feeding port of the pressing channel, and the first feeding roller 111 and the second feeding roller 131 are oppositely disposed and form a feeding channel communicated with the pressing channel. Through the arrangement of the first feeding roller 111 and the second feeding roller 131, the composite pole piece is ensured to be in an aligned state before lamination through a section of guiding and deviation rectifying feeding channel before being fed into the lamination channel.
With reference to fig. 2 and fig. 3, the first hot-pressing roller assembly 120 includes a plurality of first stitching rollers 121 and a plurality of first heaters 123, the plurality of first stitching rollers 121 are rotatably disposed on the first frame 110, and the plurality of first stitching rollers 121 are disposed in parallel to each other for stitching on the upper surface of the composite pole piece. The plurality of first heaters 123 are disposed on the first frame 110 and staggered with the plurality of first stitching rollers 121, so as to heat the upper surface of the composite pole piece.
In this embodiment, each two adjacent first press-fit rollers 121 are provided with one first heater 123 therebetween, the first heater 123 can transfer part of heat to the first press-fit rollers 121 in a heat conduction manner, and then the first press-fit rollers 121 transfer part of heat to the upper surface of the composite pole piece in a heat conduction manner, and meanwhile, the first heater 123 can also directly transfer part of heat to the upper surface of the composite pole piece in a convection heat transfer manner, so that the components of the composite pole piece are more favorably pressed into a whole through the heating effect of the first heater 123, and a heat recombination function is realized.
The second hot pressing roller assembly 140 includes a plurality of second stitching rollers 141 and a plurality of second heaters 143, the plurality of second stitching rollers 141 are rotatably disposed on the second frame 130, the plurality of second stitching rollers 141 are disposed in parallel to each other and form a stitching channel together with the plurality of first stitching rollers 121, and the plurality of second stitching rollers 141 are configured to be stitched on the lower side surface of the composite pole piece. The plurality of second heaters 143 are disposed on the second frame 130 and staggered with the plurality of second stitching rollers 141, for heating the lower surface of the composite pole piece.
In this embodiment, each two adjacent second stitching rollers 141 are provided with one second heater 143 therebetween, the second heaters 143 can transfer part of the heat to the second stitching rollers 141 in a heat conduction manner, and then the second stitching rollers 141 transfer the heat to the lower surface of the composite pole piece in a heat conduction manner, and meanwhile, the second heaters 143 can also directly transfer part of the heat to the lower surface of the composite pole piece in a convection heat transfer manner, so that the components of the composite pole piece are more beneficial to being pressed into a whole through the heating effect of the second heaters 143, and the thermal composite function is realized.
It should be noted that the heating principle of the first heater 123 and the second heater 143 in this embodiment is the same as that of the conventional thermal compound heater, and will not be described in detail here.
In other preferred embodiments of the present invention, only the heater is disposed between the first pressing rollers 121 or between the second pressing rollers 141, which can achieve the single-side heating function of the composite pole piece, and when the heating power reaches the predetermined target, the thermal composite function can be well achieved.
In this embodiment, the plurality of first stitching rollers 121 and the plurality of second stitching rollers 141 are respectively disposed along the horizontal direction, the plurality of first stitching rollers 121 and the plurality of second stitching rollers 141 are disposed in a one-to-one correspondence, and the first stitching rollers 121 and the plurality of second stitching rollers 141 are all non-contact magnetic gears. Specifically, the first nip roller 121 and the second nip roller 141 do not directly contact each other, but perform a mutual transmission function by magnetism. The magnetic gear is basically a transmission device without the traditional gear tooth type, and the purpose of transmission is achieved by utilizing the attraction and the repulsion of magnetic coupling force. Power is transmitted through the non-contact magnetic gear, and the characteristics that the non-contact magnetic gear has ultralow dust emission amount and does not need lubricating grease are utilized, so that the phenomenon that some impurities are adhered to the surface of the pole piece to influence the quality of the battery cell is avoided.
In this embodiment, the center distance between two adjacent first stitching rollers 121 and the center distance between two adjacent second stitching rollers 141 are both smaller than the minimum size of the pole piece, so that the state that the pole pieces are not stitched can be avoided. The laminating surfaces of the first laminating roller 121 and the second laminating roller 141 are both treated by teflon to protect the pole pieces and the diaphragm.
It should be noted that, because the first stitching roller 121 and the second stitching roller 141 can realize mutual transmission when transporting the composite pole piece, and the rotation directions of the first stitching roller 121 and the second stitching roller 141 are opposite, in this embodiment, only power needs to be provided to the first stitching roller 121 or the second stitching roller 141, specifically, the roller driving assembly 170 is in transmission connection with the second stitching roller 141 in this embodiment, so that the second stitching roller 141 is a driving roller, and the first stitching roller 121 is a driven roller, thereby realizing the transportation of the composite pole piece.
The roller driving assembly 170 includes a plurality of independent servo motors disposed on the second frame 130, the plurality of servo motors correspond to the plurality of second laminating rollers 141 one by one, each servo motor is disposed under the corresponding second laminating roller 141, and the second laminating rollers 141 can be independently controlled to rotate along the direction of driving the composite pole piece to be conveyed. Of course, here, a plurality of servo motors may also be disposed on the first frame body 110 and be in transmission connection with the plurality of first stitching rollers 121.
In summary, the working principle of the composite pole piece conveying device 100 provided in this embodiment is as follows, the composite pole piece enters the pressing channel through the feeding channel, the pressing channel is composed of a plurality of corresponding first pressing rollers 121 and second pressing rollers 141, and the pressing force between the first pressing rollers 121 and the second pressing rollers can be adjusted along with the lifting of the first frame 110 and is controlled by the opening and closing cylinder 151. Meanwhile, the first laminating rollers 121 and the second laminating rollers 141 are heated by the heaters, and the components of the composite pole piece can be tightly attached by the laminating effect of the first laminating rollers 121 and the second laminating rollers 141 and the heating function of the heaters, so that the next process is carried out. Compared with the prior art, the composite pole piece conveying device 100 provided by the embodiment clamps and conveys the composite pole piece by replacing the MYLAR film through the hot pressing roller assembly, can avoid using the MYLAR film, does not need to additionally arrange redundant equipment to compound, and reduces the overall occupied space and the operation cost.
Second embodiment
Referring to fig. 4, a composite pole piece conveying system comprises a heating driven roller assembly 200 and a composite pole piece conveying device 100, wherein the basic structure and principle of the composite pole piece conveying device 100 and the technical effects thereof are the same as those of the first embodiment, and for the sake of brief description, reference is made to the corresponding contents of the first embodiment for parts not mentioned in this embodiment.
The composite pole piece conveying device 100 comprises a first frame body 110 and a second frame body 130 which are oppositely arranged, wherein a first hot-pressing roller assembly 120 is arranged on the first frame body 110, a second hot-pressing roller assembly 140 is arranged on the second frame body 130, a press-fit channel for the composite pole piece to pass through is formed between the first hot-pressing roller assembly 120 and the second hot-pressing roller assembly 140, and the first hot-pressing roller assembly 120 and the second hot-pressing roller assembly 140 are respectively pressed on the upper side and the lower side of the composite pole piece. A heated driven roller assembly 200 is disposed on the outfeed side of the nip channel.
In this embodiment, the composite pole piece is pressed by the first pressing roller 121 and the second pressing roller 141, and then enters the heating roller assembly to be pressed again, and the pressing force of the pressing is greater than the clamping force of the front upper and lower steel rollers.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The composite pole piece conveying device is characterized by comprising a first frame body and a second frame body which are oppositely arranged, wherein a first hot pressing roller assembly is arranged on the first frame body, a second hot pressing roller assembly is arranged on the second frame body, a pressing channel for composite pole pieces to pass through is formed between the first hot pressing roller assembly and the second hot pressing roller assembly, and the first hot pressing roller assembly and the second hot pressing roller assembly are respectively pressed on the upper side and the lower side of the composite pole pieces.
2. The composite pole piece conveying device according to claim 1, wherein the first hot pressing roller assembly comprises a plurality of first pressing rollers, the plurality of first pressing rollers are rotatably disposed on the first frame body, and the plurality of first pressing rollers are disposed in parallel to each other for pressing on the upper side surface of the composite pole piece.
3. The composite pole piece conveying device according to claim 2, wherein the first hot-pressing roller assembly further comprises a plurality of first heaters, and the plurality of first heaters are arranged on the first frame body and staggered with the plurality of first stitching rollers for heating the upper side surface of the composite pole piece.
4. The composite pole piece conveying device according to claim 2, wherein the second hot pressing roller assembly includes a plurality of second stitching rollers rotatably disposed on the second frame body, the plurality of second stitching rollers are disposed in parallel to each other and form the stitching channel together with the plurality of first stitching rollers, and the plurality of second stitching rollers are configured to be stitched on the lower side surface of the composite pole piece.
5. The composite pole piece conveying device according to claim 4, wherein the second hot-pressing roller assembly further comprises a plurality of second heaters, and the plurality of second heaters are arranged on the second frame body and staggered with the plurality of second stitching rollers for heating the lower side surface of the composite pole piece.
6. The composite pole piece conveying device according to claim 4, wherein a plurality of the first stitching rollers and a plurality of the second stitching rollers are arranged in a one-to-one correspondence manner, and the first stitching rollers and the second stitching rollers are all non-contact magnetic gears.
7. The composite pole piece conveying device according to claim 1, further comprising a roller driving assembly disposed on the first frame body and in transmission connection with the first hot pressing roller assembly for driving the first hot pressing roller assembly to move; or the roller driving assembly is arranged on the second frame body, is in transmission connection with the second hot pressing roller assembly and is used for driving the second hot pressing roller assembly to move.
8. The composite pole piece conveying device according to claim 1, further comprising a frame driving mechanism connected to the first frame body for driving the first frame body to approach or depart from the second frame body so as to adjust the width of the pressing channel.
9. The composite pole piece conveying device according to claim 1, wherein a first feeding roller is further disposed at one end of the first frame body close to the feeding port of the pressing channel, a second feeding roller is further disposed at one end of the second frame body close to the feeding port of the pressing channel, and the first feeding roller and the second feeding roller are disposed opposite to each other and form a feeding channel communicated with the pressing channel.
10. A composite pole piece transport system comprising a heat driven roller assembly and a composite pole piece transport apparatus as claimed in any one of claims 1 to 9, the heat driven roller assembly being disposed on the discharge side of the stitching channel.
CN202010120442.5A 2020-02-26 2020-02-26 Composite pole piece conveying device and composite pole piece conveying system Pending CN111162321A (en)

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CN202010120442.5A CN111162321A (en) 2020-02-26 2020-02-26 Composite pole piece conveying device and composite pole piece conveying system

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Application Number Priority Date Filing Date Title
CN202010120442.5A CN111162321A (en) 2020-02-26 2020-02-26 Composite pole piece conveying device and composite pole piece conveying system

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CN111162321A true CN111162321A (en) 2020-05-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111942809A (en) * 2020-08-13 2020-11-17 重庆长江电工工业集团有限公司 Plate lifting and conveying device and method
CN112864441A (en) * 2021-01-11 2021-05-28 深圳市格林晟科技有限公司 Discharging mechanism and lamination device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111942809A (en) * 2020-08-13 2020-11-17 重庆长江电工工业集团有限公司 Plate lifting and conveying device and method
CN112864441A (en) * 2021-01-11 2021-05-28 深圳市格林晟科技有限公司 Discharging mechanism and lamination device
CN112864441B (en) * 2021-01-11 2023-05-16 深圳市格林晟科技股份有限公司 Discharging mechanism and lamination device

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