CN116093446B - Power battery encapsulation device and encapsulation method - Google Patents

Power battery encapsulation device and encapsulation method Download PDF

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Publication number
CN116093446B
CN116093446B CN202310376194.4A CN202310376194A CN116093446B CN 116093446 B CN116093446 B CN 116093446B CN 202310376194 A CN202310376194 A CN 202310376194A CN 116093446 B CN116093446 B CN 116093446B
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CN
China
Prior art keywords
shaft
adhesive tape
rubber coating
conveying
battery
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Active
Application number
CN202310376194.4A
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Chinese (zh)
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CN116093446A (en
Inventor
付明华
刘小川
崔双
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Huizhou Chengtai Automation Technology Co Ltd
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Huizhou Chengtai Automation Technology Co Ltd
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Priority to CN202310376194.4A priority Critical patent/CN116093446B/en
Publication of CN116093446A publication Critical patent/CN116093446A/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593Spacers; Insulating plates
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The application provides a power battery encapsulation device and an encapsulation method, wherein the device comprises a conveying belt, a feeding assembly and an adhesive tape supply assembly which are arranged on a frame; the feeding assembly comprises a clamp and a rotating motor for driving the clamp to rotate, the clamp is rotatably arranged at the tail end of the moving mechanism, and the moving mechanism can drive the clamp to lift and transversely move; the adhesive tape supply assembly comprises a material tray, a conveying roller set and an adhesive tape coating wheel, wherein an adhesive tape is wound on the material tray, the adhesive tape coating wheel is positioned above the clamp, a negative pressure cavity is arranged in the adhesive tape coating wheel, a plurality of adsorption ports communicated with the negative pressure cavity are formed in the circumferential side of the adhesive tape coating wheel, and the outer end of the adhesive tape is adsorbed on the surface of the adhesive tape coating wheel after bypassing the conveying roller set; be equipped with the cutting off assembly that is used for cutting off the sticky tape in the frame, the device combines the controller to carry out the preprogramming in advance, can realize the automatic unloading of going up of battery, the automatic supply of sticky tape and decide, the automatic rubber coating of battery, degree of automation is high, and the uniformity of rubber coating is good, can improve rubber coating efficiency and rubber coating quality.

Description

Power battery encapsulation device and encapsulation method
Technical Field
The application relates to the technical field of lithium battery production and processing, in particular to a power battery encapsulation device and an encapsulation method.
Background
The power battery is a power source that provides a source of power for the tool. Among them, cylindrical lithium batteries are widely used in power cells because of standardized external dimensions, very mature production equipment and processing processes. In the production and processing process of the cylindrical battery, the tab is generally kept at a certain length, and in order to make the surface of the battery tab have insulativity and prevent the battery tab from being in contact with the battery shell and other external objects to form short circuit or conducting, the end part of the cylindrical battery needs to be subjected to a paper wrapping process, namely, the tab part wrapped at the end part of the battery is attached with the adhesive paper with insulativity.
At present, the power battery production line is not fully automated, the paper wrapping procedure needs manual operation, the manual operation mode has high cost and low efficiency, consistency of the wrapping of each battery can not be guaranteed, the pasting quality of the gummed paper is uneven, and the quality of the battery can not be guaranteed.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a power battery encapsulation device and an encapsulation method, so as to improve encapsulation efficiency and encapsulation quality.
The application aims to provide a power battery encapsulation device, which comprises a conveying belt, a feeding assembly and an adhesive tape supply assembly, wherein the conveying belt, the feeding assembly and the adhesive tape supply assembly are arranged on a rack, and batteries are conveyed on the conveying belt in a horizontal state perpendicular to the conveying direction;
the feeding assembly comprises a clamp and a rotating motor for driving the clamp to rotate, the clamp is rotatably arranged at the tail end of the moving mechanism, and the moving mechanism can drive the clamp to lift and transversely move;
the rubber belt supply assembly comprises a material tray, a conveying roller set and a rubber coating wheel, wherein a rubber belt is wound on the material tray, the rubber coating wheel is positioned above the clamp, a negative pressure cavity is arranged in the rubber coating wheel, the negative pressure cavity is provided with a negative pressure interface, a plurality of adsorption ports communicated with the negative pressure cavity are arranged on the peripheral side of the rubber coating wheel, the outer end of the rubber belt is adsorbed on the surface of the rubber coating wheel after bypassing the conveying roller set, and a rubber coating motor is arranged on the frame and is connected with the rubber coating wheel for transmission;
and a cutting assembly for cutting off the adhesive tape is arranged above the rubber coating wheel on the frame.
In the preferred technical scheme of the application, the clamp comprises two end clamping plates which are coaxially arranged, the two end clamping plates are symmetrically arranged on two sides of the conveying belt, the end clamping plates are rotatably arranged at the tail ends of the moving mechanism, the end clamping plates are arranged in one-to-one correspondence with the moving mechanism, and one end clamping plate is connected with a rotary motor for transmission.
In a preferred technical scheme of the application, the moving mechanism comprises a transverse moving seat and a lifting seat, wherein the transverse moving seat is slidably arranged on a frame, the lifting seat is slidably arranged on the transverse moving seat, a lifting cylinder is arranged on the transverse moving seat, the lifting seat is connected with the lifting cylinder, the rotating motor is arranged on the lifting seat, a shaft lever is arranged at the outer end of the end clamping plate, the shaft lever and the end clamping plate are coaxially arranged, the shaft lever is arranged on the lifting seat through a bearing seat, and a driving piece for driving the transverse moving seat to move is arranged on the frame.
In the preferred technical scheme of the application, the driving piece is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft and a driving motor, the track cam shaft is arranged on the frame, the driving motor is connected with the track cam shaft for transmission, a driving arm and a rocker arm are axially arranged on the rotating shaft at intervals, the tail end of the rocker arm is hinged with the transverse moving seat, a driven rod is arranged at the tail end of the driving arm, and the tail end of the driven rod is attached to a cam surface on the track cam shaft.
In the preferred technical scheme of the application, the frame is provided with the transverse sliding rail, the transverse sliding rail is provided with the transverse sliding block, the transverse sliding block is fixedly arranged on the transverse sliding seat, the transverse sliding seat is provided with the vertical sliding rail, the vertical sliding rail is provided with the vertical sliding block, and the vertical sliding block is fixedly arranged on the lifting seat.
In the preferred technical scheme of the application, the cutting assembly comprises a laser head and a transverse moving cylinder, wherein the light emitting end of the laser head faces the peripheral side surface of the rubber coating wheel, the laser head is arranged at the tail end of the transverse moving cylinder, and the laser head is in sliding fit with the frame.
In the preferred technical scheme of the application, the conveying roller set comprises a belt conveying motor, a driving roller and a plurality of driven rollers, wherein the belt conveying motor is connected with the driving roller for transmission, the outer surface of the driven roller, which is wound by the adhesive surface of the adhesive tape, is provided with a toothed surface part, and the non-adhesive surface of the adhesive tape is in adsorption fit with the rubber coating wheel.
In a preferred technical scheme of the application, the driving roller comprises a first shaft, a second shaft and a third shaft, wherein the first shaft is connected with the power supply device for transmission, the second shaft and the third shaft are symmetrically arranged below the first shaft, the first shaft is meshed with the second shaft and the third shaft through gears for transmission, conveying tooth parts are arranged on the second shaft and the third shaft along axes in a staggered manner, the conveying tooth parts on the second shaft and the third shaft are mutually matched to form a conveying part, and the adhesive tape bypasses the conveying part.
In the preferred technical scheme of the application, a plurality of transport blocks for supporting batteries are arranged on the conveyor belt at intervals, transverse grooves for placing the batteries are formed in the transport blocks, and the end parts of the transverse grooves penetrate through the side walls of the transport blocks.
The second object of the present application is to provide a method for encapsulating a power battery, which is realized based on the above-mentioned power battery encapsulation device, and comprises the following steps:
s1: the conveyor belt conveys the batteries to an encapsulation station;
s2: the clamp driven by the moving mechanism moves to the battery position and clamps the battery;
s3: the moving mechanism drives the battery to ascend, so that the end part of the battery needing to be encapsulated is attached to the encapsulation wheel;
s4: the adhesive tape on the rubber coating wheel is cut off by the action of the cutting component;
s5: the rotary motor drives the clamp to drive the battery to rotate, and the rubber coating motor drives the rubber coating wheel to reversely rotate, so that the cut section of adhesive tape on the rubber coating wheel is stuck and wrapped at the end part of the battery.
The beneficial effects of the application are as follows:
the conveying belt is used for conveying the batteries, the moving mechanism is matched with the clamp for realizing rubber coating feeding and discharging of the batteries, the rubber belt supply assembly is used for supplying the rubber belt, the cutting assembly is used for cutting off the rubber belt, the rotating motor is used for driving the clamp to drive the batteries to rotate, the rubber coating motor is used for driving the rubber coating wheel to reversely rotate, and the rubber belt can be adhered and wound on the end part of the batteries; the device is combined with the controller to perform pre-programming, so that automatic feeding and discharging of the battery, automatic supply and cutting of the adhesive tape and automatic encapsulation of the battery can be realized, the degree of automation is high, the encapsulation consistency is good, and the encapsulation efficiency and encapsulation quality can be improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the device.
FIG. 2 is a schematic view of the tape supply assembly and the severing assembly.
Fig. 3 is a schematic view of the structure of the battery attached to the glue wheel.
Reference numerals:
1. a frame; 2. a conveyor belt; 3. a transport block; 4. a battery; 5. a feeding assembly; 501. an end clamp plate; 502. a shaft lever; 503. a lifting seat; 504. a traversing seat; 505. a rotating shaft; 506. a rocker arm; 507. a driving arm; 508. a driven rod; 509. a lifting cylinder; 6. an adhesive tape supply assembly; 601. a material tray; 602. a first shaft; 603. a second shaft; 604. a third shaft; 605. a conveying tooth portion; 606. driven roller; 607. a rubber coating wheel; 608. encapsulating the motor; 609. a tape feed motor; 7. cutting off the assembly; 701. a traversing cylinder; 702. a laser head; 703. a transverse rail; 704. a transverse moving block; 8. and (3) adhesive tape.
Detailed Description
Preferred embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.
It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as information, and similarly, the information may also be referred to as first information, without departing from the scope of the application. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Example 1
The power battery is a power source that provides a source of power for the tool. Among them, cylindrical lithium batteries are widely used in power cells because of standardized external dimensions, very mature production equipment and processing processes. In the production and processing process of the cylindrical battery, the tab is generally kept at a certain length, and in order to make the surface of the battery tab have insulativity and prevent the battery tab from being in contact with the battery shell and other external objects to form short circuit or conducting, the end part of the cylindrical battery needs to be subjected to a paper wrapping process, namely, the tab part wrapped at the end part of the battery is attached with the adhesive paper with insulativity.
At present, the power battery production line is not fully automated, the paper wrapping procedure needs manual operation, the manual operation mode has high cost and low efficiency, consistency of the wrapping of each battery can not be guaranteed, the pasting quality of the gummed paper is uneven, and the quality of the battery can not be guaranteed.
To solve the above problems, the present embodiment provides a power battery encapsulation device to improve encapsulation efficiency and encapsulation quality.
As shown in fig. 1-3, the power battery encapsulation device comprises a conveying belt 2, a feeding assembly 5 and an adhesive tape supply assembly 6, wherein the conveying belt 2 is arranged on a frame 1, batteries 4 are conveyed on the conveying belt 2 in a horizontal state perpendicular to a conveying direction, the conveying belt 2 is used for conveying the batteries 4, the feeding assembly 5 is used for conveying the batteries 4 on the conveying belt 2 to an encapsulation position, and the adhesive tape supply assembly 6 is used for supplying adhesive tape 8 and encapsulating the ends of the batteries 4 together with the feeding assembly 5.
In this embodiment, the feeding assembly 5 includes a clamp and a rotating motor for driving the clamp to rotate, the clamp is rotatably mounted at the tail end of the moving mechanism, the moving mechanism can drive the clamp to lift and move transversely, the clamp can move transversely to the conveyor belt 2 to clamp the battery 4 through the moving mechanism, and the battery 4 can be clamped to enable the battery 4 to rise to the adhesive tape supply assembly 6 for encapsulation.
In this embodiment, the tape supply assembly 6 includes a tray 601, a conveying roller set, and a rubber coating wheel 607, where an adhesive tape 8 is wound on the tray 601, the rubber coating wheel 607 is located above the fixture, a negative pressure cavity is provided in the rubber coating wheel 607, the negative pressure cavity is provided with a negative pressure interface, the negative pressure interface is connected with a negative pressure generating device, an adsorption port communicating with the negative pressure cavity is provided at the peripheral side of the rubber coating wheel 607, the outer end of the adhesive tape 8 bypasses the conveying roller set and is adsorbed on the surface of the rubber coating wheel 607, a rubber coating motor 608 is installed on the frame 1, and the rubber coating motor 608 is connected with the rubber coating wheel 607 for transmission; the adhesive tape 8 on the tray 601 is conveyed to the rubber coating wheel 607 after being conveyed by the conveying roller set, the rubber coating wheel 607 adsorbs the non-adhesive surface of the adhesive tape 8 through the adsorption port on the periphery side, so that the adhesive tape 8 is fixed, the adhesive surface of the adhesive tape 8 faces outwards, the battery 4 is attached to the rubber coating wheel 607 by the feeding assembly 5 after the battery 4 is conveyed, the adhesive tape 8 is attached to the battery 4, at the moment, the rotating motor drives the clamp to rotate with the battery 4, the rubber coating motor 608 drives the rubber coating wheel 607 to reversely rotate, and the adhesive tape 8 on the rubber coating wheel 607 can be attached and wound at the end part of the battery 4 due to the fact that the adhesive force is larger than the adsorption force, so that the rubber coating is completed.
In this embodiment, a cutting assembly 7 for cutting the adhesive tape 8 is disposed above the wrapping wheel 607 on the frame 1, and the cutting assembly 7 can cut the adhesive tape 8 into sections, and the sections of the adhesive tape 8 will be wrapped at the end of the battery 4.
For example, in practical application, for stably conveying the batteries 4, a plurality of transport blocks 3 for supporting the batteries 4 are installed on the conveyor belt 2 at intervals, transverse grooves for placing the batteries 4 are formed in the transport blocks 3, and the end parts of the transverse grooves penetrate through the side walls of the transport blocks 3.
In this embodiment, the fixture includes two end clamping plates 501 coaxially arranged, the two end clamping plates 501 are symmetrically arranged on two sides of the conveying belt 2, the end clamping plates 501 can cooperate together to clamp the end of the battery 4, the end clamping plates 501 are rotatably mounted at the tail end of the moving mechanism, the end clamping plates 501 are arranged in one-to-one correspondence with the moving mechanism, one of the end clamping plates 501 is connected with a rotating motor for transmission, and the moving mechanisms on two sides synchronously act.
In this embodiment, the moving mechanism includes a traverse motion seat 504 and a lifting seat 503, the traverse motion seat 504 is slidably mounted on the frame 1, the lifting seat 503 is slidably mounted on the traverse motion seat 504, a lifting cylinder 509 is mounted on the traverse motion seat 504, the lifting seat 503 is connected with the lifting cylinder 509, the rotating motor is mounted on the lifting seat 503, a shaft lever 502 is mounted at the outer end of the end clamping plate 501, the shaft lever 502 and the end clamping plate 501 are coaxially arranged, the shaft lever 502 is mounted on the lifting seat 503 through a bearing seat, and a driving member for driving the traverse motion seat 504 to move is mounted on the frame 1.
In practical application, the driving member is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft 505 and a driving motor, the track cam shaft is installed on the frame 1, the driving motor is connected with the track cam shaft for transmission, a driving arm 507 and a rocker arm 506 are installed on the rotating shaft 505 along an axial interval, the tail end of the rocker arm 506 is hinged with the traversing seat 504, a follower rod 508 is installed at the tail end of the driving arm 507, the tail end of the follower rod 508 is attached to a cam surface on the track cam shaft, and the cam surface drives the rotating shaft 505 to rotate through the follower rod 508 through rotation of the track cam shaft, so that the rocker arm 506 on the rotating shaft 505 drives the traversing seat 504 to traverse.
For example, in practical application, for the stable sliding of the component, the frame 1 is provided with a transverse sliding rail, the transverse sliding rail is provided with a transverse sliding block, the transverse sliding block is fixedly installed on the transverse sliding seat 504, the transverse sliding seat 504 is provided with a vertical sliding rail, the vertical sliding rail is provided with a vertical sliding block, and the vertical sliding block is fixedly installed on the lifting seat 503.
In this embodiment, the cutting assembly 7 includes a laser head 702 and a traversing cylinder 701, the light-emitting end of the laser head 702 faces the side face of the periphery of the glue coating wheel 607, the laser head 702 is mounted at the tail end of the traversing cylinder 701, the laser head 702 is in sliding fit with the frame 1, and the laser head 702 is driven to traverse by the extension and retraction of the traversing cylinder 701, so that the cutting of the adhesive tape 8 is realized. For example, in practical application, in order to enable the laser head 702 to stably slide, the transverse rail 703 is installed on the rack 1, a traverse block 704 is slidably disposed on the transverse rail 703, and the laser head 702 is installed on the traverse block 704.
In this embodiment, the conveying roller set includes a belt feeding motor 609, a driving roller, and a plurality of driven rollers 606, the belt feeding motor 609 is connected with the driving roller for transmission, wherein the outer surface of the driven roller 606 around which the adhesive surface of the adhesive tape 8 bypasses is provided with a tooth surface, the contact area can be reduced by matching the tooth surface with the adhesive surface of the adhesive tape 8, the adhesive tape 8 is prevented from adhering to the driven roller 606, and the non-adhesive surface of the adhesive tape 8 is adhered to the encapsulation wheel 607.
In this embodiment, the driving roller includes a first shaft 602, a second shaft 603, and a third shaft 604, where the first shaft 602 is connected with the power feeding unit 609 for transmission, the second shaft 603 and the third shaft 604 are symmetrically disposed below the first shaft 602, the first shaft 602 is meshed with the second shaft 603 and the third shaft 604 via gears for transmission, conveying teeth 605 are disposed on the second shaft 603 and the third shaft 604 along axes in a staggered manner, the conveying teeth 605 on the second shaft 603 and the third shaft 604 are mutually matched to form a conveying part, the adhesive tape 8 bypasses the conveying part, the conveying teeth 605 can reduce the contact area, and the adhesive tape 8 is prevented from being stuck on the shafts. When the tape is fed, the first shaft 602 is driven to rotate by the power feeding device 609, the first shaft 602 drives the second shaft 603 and the third shaft 604 to rotate together, and at this time, the conveying tooth 605 drives the tape 8 to move so as to supply the tape 8.
In this embodiment, to achieve automation, the apparatus further includes a controller, and the conveyor belt 2, the moving mechanism, the cutting assembly 7, the rotating motor, the encapsulation motor 608, and the belt feeding motor 609 are all connected to the controller of the apparatus, so as to achieve automation operation of encapsulation of the battery 4 according to pre-programming of the controller.
Example 2
This embodiment only describes the differences from embodiment 1, and the remaining technical features are the same as those of the above-described embodiment. Further, an encapsulation method is provided, which is realized based on the power battery encapsulation device of example 1.
The method specifically comprises the following steps:
s1: the conveyor belt 2 sends the batteries 4 to an encapsulation station;
s2: the clamp driven by the moving mechanism moves to the position of the battery 4 and clamps the battery 4;
s3: the moving mechanism drives the battery 4 to ascend, so that the end part of the battery 4 needing to be encapsulated is attached to the encapsulating wheel 607;
s4: the cutting assembly 7 acts to cut off the adhesive tape 8 on the adhesive coating wheel 607;
s5: the rotary motor drives the clamp to drive the battery 4 to rotate, and the rubber coating motor 608 drives the rubber coating wheel 607 to rotate reversely, so that the cut section of adhesive tape 8 on the rubber coating wheel 607 is stuck and wound on the end part of the battery 4.
In this embodiment, the conveyor belt 2 is provided with a first sensor beside the encapsulation station, and a second sensor is provided beside the lower end of the encapsulation wheel 607 on the frame 1, where the first sensor, the second sensor, the conveyor belt 2, the moving mechanism, the cutting assembly 7, the rotating motor, the encapsulation motor 608, and the belt feeding motor 609 are all connected with the controller of the apparatus, so as to realize automatic control according to pre-programming.
In this embodiment, in step S1, after the conveyor belt 2 sends the battery 4 to the encapsulation station, the first sensor is triggered, and the first sensor feeds back an electrical signal to the controller, and the controller controls the moving mechanism to perform a corresponding action.
In this embodiment, after the battery 4 is attached to the encapsulation wheel 607 in step S3, the second sensor is triggered, and the second sensor feeds back an electrical signal to the controller, and the controller controls the tape 8 to be cut off first, and then controls the rotating motor and the encapsulation motor 608 to perform corresponding actions.
In this embodiment, after the encapsulation of the battery 4 is completed in step S5, the controller controls the moving mechanism to drive the battery 4 to descend, and place the battery 4 on the conveyor belt 2, at this time, the first sensor is triggered, the first sensor feeds back an electrical signal to the controller, the controller controls the clamp to release the battery 4, then the controller controls the moving mechanism to reset, and then the controller controls the conveyor belt 2 to output the encapsulated battery 4.
The method realizes automatic feeding and discharging of the battery 4, automatic supply and cutting of the adhesive tape 8 and automatic encapsulation of the battery 4, has high automation degree and good encapsulation consistency, and can improve encapsulation efficiency and encapsulation quality.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "horizontal direction, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (7)

1. A method of encapsulation, characterized by:
encapsulating by using a power battery encapsulation device;
the power battery encapsulation device comprises a conveying belt, a feeding assembly and an adhesive tape supply assembly which are arranged on the frame, and the battery is conveyed on the conveying belt in a horizontal state perpendicular to the conveying direction;
the feeding assembly comprises a clamp and a rotating motor for driving the clamp to rotate, the clamp is rotatably arranged at the tail end of the moving mechanism, and the moving mechanism can drive the clamp to lift and transversely move;
the rubber belt supply assembly comprises a material tray, a conveying roller set and a rubber coating wheel, wherein a rubber belt is wound on the material tray, the rubber coating wheel is positioned above the clamp, a negative pressure cavity is arranged in the rubber coating wheel, the negative pressure cavity is provided with a negative pressure interface, a plurality of adsorption ports communicated with the negative pressure cavity are arranged on the peripheral side of the rubber coating wheel, the outer end of the rubber belt is adsorbed on the surface of the rubber coating wheel after bypassing the conveying roller set, and a rubber coating motor is arranged on the frame and is connected with the rubber coating wheel for transmission;
a cutting assembly for cutting off the adhesive tape is arranged above the rubber coating wheel on the frame;
the clamp comprises two end clamping plates which are coaxially arranged, the two end clamping plates are symmetrically arranged on two sides of the conveying belt, the end clamping plates are rotatably arranged at the tail end of the moving mechanism, the end clamping plates are arranged in one-to-one correspondence with the moving mechanism, and one end clamping plate is connected with the rotating motor for transmission;
the conveying roller set comprises a belt conveying motor, a driving roller and a plurality of driven rollers, wherein the belt conveying motor is connected with the driving roller for transmission, the outer surface of the driven roller, which is wound by the adhesive surface of the adhesive tape, is provided with a toothed surface, and the non-adhesive surface of the adhesive tape is attached to the rubber coating wheel in an adsorption manner;
the encapsulation method comprises the following steps:
s1: the conveyor belt conveys the batteries to an encapsulation station;
s2: the clamp driven by the moving mechanism moves to the battery position and clamps the battery;
s3: the moving mechanism drives the battery to ascend, so that the end part of the battery needing to be encapsulated is attached to the encapsulation wheel;
s4: the adhesive tape on the rubber coating wheel is cut off by the action of the cutting component;
s5: the rotary motor drives the clamp to drive the battery to rotate, and the rubber coating motor drives the rubber coating wheel to reversely rotate, so that the cut section of adhesive tape on the rubber coating wheel is adhered and wrapped on the battery.
2. The encapsulation process of claim 1, wherein: the moving mechanism comprises a transverse moving seat and a lifting seat, wherein the transverse moving seat is slidably mounted on a frame, the lifting seat is slidably mounted on the transverse moving seat, a lifting cylinder is mounted on the transverse moving seat, the lifting cylinder is connected with the lifting seat, a rotating motor is mounted on the lifting seat, a shaft lever is mounted at the outer end of the end clamping plate, the shaft lever and the end clamping plate are coaxially arranged, the shaft lever is mounted on the lifting seat through a bearing seat, and a driving piece for driving the transverse moving seat to move is mounted on the frame.
3. The encapsulation process of claim 2, wherein: the driving piece is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft and a driving motor which are arranged on the frame, the driving motor is connected with the track cam shaft for transmission, a driving arm and a rocker arm are arranged on the rotating shaft along the axial direction at intervals, the tail end of the rocker arm is hinged with the transverse moving seat, a driven rod is arranged at the tail end of the driving arm, and the tail end of the driven rod is attached to a cam surface on the track cam shaft.
4. The encapsulation process of claim 2, wherein: the lifting device comprises a frame, a transverse sliding rail is arranged on the frame, a transverse sliding block is arranged on the transverse sliding rail, the transverse sliding block is fixedly arranged on a transverse sliding seat, a vertical sliding rail is arranged on the transverse sliding seat, a vertical sliding block is arranged on the vertical sliding rail, and the vertical sliding block is fixedly arranged on a lifting seat.
5. The encapsulation process of claim 1, wherein: the cutting assembly comprises a laser head and a transverse moving cylinder, wherein the light-emitting end of the laser head faces the circumferential side surface of the rubber coating wheel, the laser head is mounted at the tail end of the transverse moving cylinder, and the laser head is in sliding fit with the frame.
6. The encapsulation process of claim 1, wherein: the driving roller comprises a first shaft, a second shaft and a third shaft, the first shaft is connected with a power supply device for transmission, the second shaft and the third shaft are symmetrically arranged below the first shaft, the first shaft is meshed with the second shaft and the third shaft through gears for transmission, conveying tooth parts are arranged on the second shaft and the third shaft along axes in a staggered mode, the conveying tooth parts on the second shaft and the third shaft are mutually matched to form a conveying part, and the adhesive tape bypasses the conveying part.
7. The encapsulation process of claim 1, wherein: the conveying belt is provided with a plurality of conveying blocks at intervals, the conveying blocks are provided with transverse grooves for accommodating batteries, and the end parts of the transverse grooves penetrate through the side walls of the conveying blocks.
CN202310376194.4A 2023-04-11 2023-04-11 Power battery encapsulation device and encapsulation method Active CN116093446B (en)

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CN214254501U (en) * 2021-02-03 2021-09-21 东莞市典名智能装备科技有限公司 Cylinder lithium ion power battery utmost point ear rubber coating equipment
CN218472036U (en) * 2022-08-19 2023-02-10 惠州金源精密自动化设备有限公司 Battery roll core rubberizing mechanism

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200244344Y1 (en) * 2001-05-23 2001-10-29 주식회사 코캄엔지니어링 Packing apparatus for automated manufacturing system of lithium secondary cell
KR20040056414A (en) * 2002-12-23 2004-07-01 주식회사 에스엠시 Battery Cell insulating tape Automatic Adhesion Machine
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CN218472036U (en) * 2022-08-19 2023-02-10 惠州金源精密自动化设备有限公司 Battery roll core rubberizing mechanism

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