Film wrapping device, battery production apparatus and battery production line

Abstract

The present application relates to the technical field of battery production, and in particular relates to a film wrapping device, a battery production apparatus and a battery production line. The film wrapping device is configured to wrap a film around a bare battery cell. The film wrapping device comprises a mounting frame, a film extraction assembly and an adhesive tape applying assembly, wherein the film extraction assembly is arranged on the mounting frame and comprises a driving member and a first suction cup; the first suction cup is connected to the driving member; the first suction cup is configured to suction a buffer film; the driving member is configured to drive the first suction cup to move to a position above the bare battery cell; the adhesive tape applying assembly is arranged on the mounting frame and comprises an adhesive tape feeding structure and an adhesive tape applying structure; the adhesive tape feeding structure is configured to provide an adhesive tape of a predetermined length; the adhesive tape applying structure comprises an adhesive tape applying suction cup and a power member; and the power member is configured to drive the adhesive tape applying suction cup to move to a position above the bare battery cell. Two procedures, i.e., placing the buffer film and applying an adhesive tape, can be achieved by means of one apparatus, without the need to transfer the bare battery cell, thereby improving the efficiency of providing the buffer film on a large face of the bare battery cell and applying the adhesive tape.

Description

Film coating device, battery production equipment and battery production line

[0001] Cross-reference to Related Applications

[0002] This application claims priority to Chinese Patent Application No. 202421129087.8, filed May 22, 2024, entitled “Film coating device, battery production equipment and battery production line,” the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] The present application relates to the technical field of battery production, in particular to a film coating device, battery production equipment and battery production line. BACKGROUND

[0004] The background information provided in this section is only for the purpose of enhancing the understanding of the present disclosure, and does not necessarily constitute prior art.

[0005] In the production process of a battery, a buffer film needs to be placed on the large face of a bare battery cell, and the buffer film is attached to the bare battery cell using adhesive tape.

[0006] Generally, two devices are needed to achieve this. One device places the buffer film on the large face of the bare battery cell, and then the bare battery cell with the buffer film is transported to the next device to complete the adhesive attaching process, which is relatively inefficient.

[0007] SUMMARY

[0008] In view of the above problems, the present application provides a film coating device, battery production equipment and battery production line, which solves the problem of low efficiency in placing a buffer film on the large face of a bare battery cell and attaching adhesive in the prior art.

[0009] A first aspect of the present application provides a film coating device for coating a bare battery cell, the film coating device comprising:

[0010] a mounting frame;

[0011] a film taking assembly, the film taking assembly being disposed on the mounting frame, and the film taking assembly comprising a driving member and a first suction cup, the first suction cup being connected to the driving member, wherein the first suction cup is configured to adsorb a buffer film, and the driving member is configured to drive the first suction cup to move above a bare battery cell; and

[0012] an adhesive attaching assembly, the adhesive attaching assembly being disposed on the mounting frame, and the adhesive attaching assembly comprising an adhesive feeding structure and an adhesive attaching structure, the adhesive feeding structure being configured to provide adhesive tape of a predetermined length, and the adhesive attaching structure comprising an adhesive attaching suction cup and a driving member, the driving member being configured to drive the adhesive attaching suction cup to move above the bare battery cell.

[0013] The film coating device of the embodiment of the present application is provided with a film taking assembly and a rubber sticking assembly arranged on the mounting frame. The film taking assembly can move the buffer film above the bare battery cell through the driving member and the first suction disc. The rubber sticking assembly can provide a predetermined length of the rubber and move the rubber above the bare battery cell through the suction disc assembly and the power member, and stick the buffer film and the bare battery cell together. The two processes of placing the buffer film and sticking the rubber can be realized by one device, and the bare battery cell does not need to be transferred, and the efficiency of placing the buffer film and sticking the rubber on the large surface of the bare battery cell is improved.

[0014] In some embodiments of the present application, the driving member includes a rotary motion member connected with the first suction disc, for driving the first suction disc to perform rotary motion and / or vertical motion.

[0015] The embodiment of the present application is provided with a rotary motion member connected with the first suction disc. The rotary motion member is used to drive the first suction disc to perform rotary motion and / or vertical motion, so that the angle of the first suction disc and / or the height of the first suction disc can be adjusted, thereby facilitating the adsorption of the buffer film and realizing the taking of the buffer film.

[0016] In some embodiments of the present application, the driving member further includes a first translation member for driving the rotary motion member to move in the horizontal direction.

[0017] The embodiment of the present application is provided with a first translation member for driving the rotary motion member to move in the horizontal direction, so that the position of the first suction disc can be adjusted, and the buffer film adsorbed by the first suction disc can be moved above the bare battery cell.

[0018] In some embodiments of the present application, the mounting frame includes a first component, a second component and a connecting frame. The first component and the second component are oppositely arranged, and the two ends of the connecting frame are respectively connected with the first component and the second component. The rubber feeding structure is connected with the first component, the rubber sticking structure is connected with the connecting frame, and the driving member is connected with the connecting frame.

[0019] The embodiment of the present application is provided with a first component, a second component and a connecting frame. The first component and the second component are oppositely arranged, and the two ends of the connecting frame are respectively connected with the first component and the second component. The rubber feeding structure is connected with the first component, the rubber sticking structure is connected with the connecting frame, and the driving member is connected with the connecting frame. Therefore, the balanced arrangement of the film coating device can be realized, and the rubber sticking structure and the first suction disc can be conveniently moved above the bare battery cell.

[0020] In some embodiments of the present application, the film coating device further includes a stock bin assembly and a first base. The stock bin assembly includes a plurality of stock bin warehouses for placing the buffer film. The plurality of stock bin warehouses are rotatably arranged on the first base, and the first base is connected with the second component.

[0021] The embodiment of the present application sets the hopper assembly and the first base, wherein the hopper assembly includes a plurality of hopper warehouses for placing buffer films, and the plurality of hopper warehouses are rotatably arranged on the first base, and the first base is connected with the second part, so that the uninterrupted feeding effect can be realized through the rotation of the hopper warehouse.

[0022] In some embodiments of the present application, the glue feeding structure includes a glue feeding wheel, a glue pressing part, a glue pulling part and a cutter part, the glue feeding wheel is rotatably arranged on the first part and is used for mounting and conveying the glue paper, the glue pressing part is arranged on the first part and is located on the downstream side of the glue feeding wheel and is configured to clamp the glue paper, the glue pulling part is arranged on the first part and is located on the downstream side of the glue pressing part and is configured to pull the glue paper to a predetermined length, and the cutter part is used to cut the part of the glue paper between the glue pressing part and the glue pulling part.

[0023] The embodiment of the present application sets the glue feeding wheel, the glue pressing part, the glue pulling part and the cutter part, wherein the glue feeding wheel is rotatably arranged on the first part and is used for mounting and conveying the glue paper, the glue pressing part is arranged on the first part and is located on the downstream side of the glue feeding wheel and is configured to clamp the glue paper, the glue pulling part is arranged on the first part and is located on the downstream side of the glue pressing part and is configured to pull the glue paper to a predetermined length, and the cutter part is used to cut the part of the glue paper between the glue pressing part and the glue pulling part, so that the glue feeding structure can be provided with the glue paper of the predetermined length.

[0024] In some embodiments of the present application, the number of cutter parts is at least two, and the at least two cutter parts are arranged at intervals along the moving direction of the glue paper.

[0025] The embodiment of the present application sets the number of cutter parts to be at least two, and the at least two cutter parts are arranged at intervals along the moving direction of the glue paper, so that the preparation of multiple glue papers can be realized at one time, and the efficiency of glue feeding is improved.

[0026] In some embodiments of the present application, the power part includes a first power part, and the first power part is used to drive the glue sticking suction cup to generate vertical movement, wherein the glue sticking suction cup is arranged above the cutter part.

[0027] The embodiment of the present application sets the first power part, wherein the first power part is used to drive the glue sticking suction cup to generate vertical movement, and the glue sticking suction cup is arranged above the cutter part, so that the height of the glue sticking suction cup can be adjusted through the first power part, thereby better absorbing the glue paper.

[0028] In some embodiments of the present application, the power part further includes a second power part, and the second power part is arranged on the connecting frame and is used to drive the glue sticking suction cup to move along the length direction of the connecting frame.

[0029] The second power member is arranged on the connecting frame and is used to drive the rubberizing suction disc to move along the length direction of the connecting frame, so that the rubberizing suction disc can be transported above the bare battery cell to realize the conveying of the rubber paper.

[0030] In some embodiments of the present application, the film coating device further comprises a mounting seat connected to the bottom of the first part in the vertical direction.

[0031] In some embodiments of the present application, the film coating device further comprises a mounting seat connected to the bottom of the first part in the vertical direction.

[0032] The second aspect of the present application provides a battery production equipment comprising the film coating device mentioned in the above embodiments, and the film coating device is used for coating the bare battery cell.

[0033] The third aspect of the present application provides a battery production line comprising the battery production equipment mentioned in the above embodiments.

[0034] The above description is only a summary of the technical solutions of the present application. In order to enable one skilled in the art to better understand the technical means of the present application, the content of the specification can be implemented, and in order to make the above and other purposes, characteristics and advantages of the present application more obvious and easy to understand, the following specific embodiments of the present application are described. BRIEF DESCRIPTION OF DRAWINGS

[0035] Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of the preferred embodiments and are not meant to limit the present application. Moreover, the same reference numerals in the accompanying drawings indicate the same or similar components. In the drawings:

[0036] FIG. 1 is a structural schematic view of a film coating device provided by some embodiments of the present application (including a buffer film and a bare battery cell);

[0037] FIG. 2 is a partially enlarged structural schematic view of the film coating device shown in FIG. 1 at A;

[0038] FIG. 3 is a partially enlarged structural schematic view of the film coating device shown in FIG. 1 at B;

[0039] FIG. 4 is a three-dimensional structural schematic view of the film coating device shown in FIG. 1 from a second perspective;

[0040] FIG. 5 is a partially enlarged structural schematic view of the film coating device shown in FIG. 4 at C;

[0041] FIG. 6 is a partially enlarged structural schematic view of the film coating device shown in FIG. 4 at D;

[0042] Fig. 7 is a partial enlarged structural schematic view of the packaging film device shown in Fig. 4 at E.

[0043] The reference signs are as follows: 100, packaging film device; 10, mounting frame; 11, first component; 12, second component; 13, connecting frame; 14, reinforcing frame; 20, film taking assembly; 21, first suction disc; 22, rotary moving part; 23, first translation part; 30, rubber sticking assembly; 31, rubber feeding structure; 311, feeding wheel; 312, transition wheel; 313, rubber pressing part; 314, rubber pulling part; 315, cutter part; 32, rubber sticking structure; 321, rubber sticking suction disc; 322, first power part; 323, second power part; 40, hopper assembly; 41, hopper warehouse; 42, first base; 50, mounting seat; 60, bolt; 200, bare battery cell; 300, buffer film; 400, tray. DETAILED DESCRIPTION

[0044] The embodiments of the technical scheme of the present application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, and cannot limit the protection scope of the present application.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application; the terms "comprising" and "having," and any variations thereof, as used herein are intended to cover a non-exclusive inclusion.

[0046] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0047] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearance of the phrase in various places in the specification does not necessarily all refer to the same embodiment, nor is it necessarily independent or alternative embodiments to other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0048] In the description of the embodiments of the present application, the term "and / or" is merely an association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character " / " in this paper generally represents that the front and rear associated objects are an "or" relationship.

[0049] In the description of the embodiments of the present application, the term "a plurality of" refers to two or more (including two), and similarly, "a plurality of groups" refers to two or more groups (including two groups), and "a plurality of pieces" refers to two or more pieces (including two pieces).

[0050] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0051] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0052] At present, from the development of market situation, the application of battery is more and more extensive. The battery is not only applied to the energy storage power supply system of hydropower, thermal power, wind power and solar power station, but also widely used in electric bicycles, electric motorcycles, electric vehicles and other electric vehicles, as well as military equipment, aerospace and other fields. With the continuous expansion of the application field of battery, the demand of its market is also increasing.

[0053] The battery related to the embodiments of the present application can be used in electric equipment such as vehicles, ships or aircraft, etc. The battery composed of the battery monomer, battery pack and the like related to the present application can be used.

[0054] The power consumption equipment using the battery as the power supply in the embodiments of the present application can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, an electric vehicle, an electric automobile, a ship, a spacecraft, and the like. The electric toy can include a fixed or mobile electric toy, such as a game machine, an electric automobile toy, an electric ship toy, an electric aircraft toy, and the like. The spacecraft can include an airplane, a rocket, a space shuttle, a spacecraft, and the like.

[0055] It should be understood that the technical solutions described in the embodiments of the present application are not only limited to the above-described battery and power consumption equipment, but can also be applied to all batteries including a box body and power consumption equipment using the battery.

[0056] In the production process of the battery, it is necessary to set a buffer film on a large surface of a bare cell and attach the buffer film to the bare cell by using adhesive paper.

[0057] Generally, two devices are needed to achieve this, one device places the buffer film on the large surface of the bare cell, and then the bare cell with the buffer film is conveyed to the next device to complete the adhesive attaching process, which is low in efficiency.

[0058] To solve this problem, the embodiments of the present application provide a film coating device. The film coating device includes a mounting frame, a film taking assembly, and an adhesive attaching assembly. The film taking assembly is arranged on the mounting frame and includes a driving member and a first suction cup. The first suction cup is connected with the driving member, wherein the first suction cup is used to adsorb the buffer film, and the driving member is used to drive the first suction cup to move above the bare cell. The adhesive attaching assembly is arranged on the mounting frame and includes an adhesive feeding structure and an adhesive attaching structure. The adhesive feeding structure is used to provide adhesive paper of a predetermined length. The adhesive attaching structure includes an adhesive attaching suction cup and a power member. The power member is used to drive the adhesive attaching suction cup to move above the bare cell. In the embodiments of the present application, the film taking assembly and the adhesive attaching assembly are arranged on the mounting frame. The film taking assembly can move the buffer film to above the bare cell by the driving member and the first suction cup. The adhesive attaching assembly can provide adhesive paper of a predetermined length, move the adhesive paper to above the bare cell by the suction cup assembly and the power member, and attach the buffer film to the bare cell. The two processes of placing the buffer film and attaching the adhesive can be achieved by one device, and the bare cell does not need to be transferred, thereby improving the efficiency of setting the buffer film on the large surface of the bare cell and attaching the adhesive.

[0059] The film coating device in the embodiments of the present application can be used in the production process of the battery or other products that need to be attached with a film.

[0060] The structure in the embodiments of the present application will be described in detail below with reference to the drawings.

[0061] The first aspect of the present application provides a film coating device 100, as shown in FIGS. 1-7, for coating a bare battery cell 200, the film coating device 100 comprising a mounting frame 10, a film taking assembly 20 and a glue sticking assembly 30, the film taking assembly 20 being arranged on the mounting frame 10, and the film taking assembly 20 comprising a driving member and a first suction cup 21, the first suction cup 21 being connected with the driving member, wherein the first suction cup 21 is used for adsorbing a buffer film 300, and the driving member is used for driving the first suction cup 21 to move above the bare battery cell 200; the glue sticking assembly 30 is arranged on the mounting frame 10, and the glue sticking assembly 30 comprises a glue feeding structure 31 and a glue sticking structure 32, the glue feeding structure 31 being used for providing a predetermined length of glue paper; the glue sticking structure 32 comprises a glue sticking suction cup 321 and a power member, the power member being used for driving the glue sticking suction cup 321 to move above the bare battery cell 200.

[0062] It should be noted that the predetermined length of glue paper refers to a specific length of glue paper, for example, 10 mm or 15 mm, etc., and the length of the glue paper can be determined as needed. The glue paper here is used to fix the buffer film 300 on the bare battery cell 200.

[0063] It should be added that the bare battery cell 200 here is placed on a tray 400, and the tray 400 with the bare battery cell 200 placed thereon can be moved to a designated station, i.e., a station for placing the buffer film 300 and sticking glue, by a conveying line.

[0064] In addition, the driving member is used for driving the first suction cup 21 to move above the bare battery cell 200, and the power member is used for driving the glue sticking suction cup 321 to move above the bare battery cell 200, which can move from two directions to the direction in which the tray 400 is located, as shown in FIG. 1, the first suction cup 21 moves from right to left along the X-X direction, and the glue sticking suction cup 321 moves from left to right along the X-X direction, in order to prevent the first suction cup 21 from affecting the use of the glue sticking suction cup 321, the first suction cup 21 can be reset after placing the buffer film 300, and then the glue sticking function can be realized by the glue sticking suction cup 321.

[0065] The film coating device 100 of the embodiment of the present application, by arranging the film taking assembly 20 and the glue sticking assembly 30 on the mounting frame 10, wherein the film taking assembly 20 can move the buffer film 300 above the bare battery cell 200 through the driving member and the first suction cup 21, and the glue sticking assembly 30 can provide a predetermined length of glue paper, and move the glue paper above the bare battery cell 200 through the glue sticking suction cup 321 and the power member, and stick the buffer film 300 and the bare battery cell 200 together, the two processes of placing the buffer film 300 and sticking glue can be realized by one device, and the bare battery cell 200 does not need to be transferred, thereby improving the efficiency of placing the buffer film 300 and sticking glue on the large surface of the bare battery cell 200.

[0066] Optionally, the driving member comprises a rotating movement member 22 connected with the first suction disc 21, for driving the first suction disc 21 to perform rotating movement and / or vertical movement.

[0067] It should be noted that the rotating movement member 22 here is a Z-axis movement rotating structure, which refers to a structure performing rotating movement around the Z-axis in a three-dimensional coordinate system, and generally comprises a motor, a transmission device and a workbench, etc., and the transmission device can adopt gear transmission, belt transmission or linear guide rail, so as to adjust the height of the first suction disc 21 and the angle of the first suction disc 21.

[0068] Specifically, the height of the first suction disc 21 can be adjusted by a linear motor, and the rotation of the first suction disc 21 can be realized by a rotating motor, which are common structures and will not be described here.

[0069] The embodiment of the present application sets the rotating movement member 22 connected with the first suction disc 21, wherein the rotating movement member 22 is used to drive the first suction disc 21 to perform rotating movement and / or vertical movement, so that the angle of the first suction disc 21 and / or the height of the first suction disc 21 can be adjusted, thereby facilitating the adsorption of the buffer film 300 and realizing the taking of the buffer film 300.

[0070] Optionally, the driving member further comprises a first translation member 23, which is used to drive the rotating movement member 22 to move horizontally. Specifically, the first translation member 23 can drive the rotating movement member 22 to move integrally, so that the position of the first suction disc 21 in the X-X direction can be adjusted, and the first suction disc 21 can be moved above the bare battery cell 200.

[0071] The embodiment of the present application sets the first translation member 23, wherein the first translation member 23 is used to drive the rotating movement member 22 to move horizontally, so that the position of the first suction disc 21 can be adjusted, and the buffer film 300 adsorbed by the first suction disc 21 can be moved above the bare battery cell 200.

[0072] The structure of the mounting frame 10 will be described below, wherein the mounting frame 10 comprises a first component 11, a second component 12 and a connecting frame 13, the first component 11 and the second component 12 are oppositely arranged, and the two ends of the connecting frame 13 are connected with the first component 11 and the second component 12 respectively; the glue feeding structure 31 is connected with the first component 11, the glue sticking structure 32 is connected with the connecting frame 13, and the driving member is connected with the connecting frame 13.

[0073] It should be noted that the first component 11 here can be a plate structure, a columnar structure or a frame structure, and in FIG. 1, the first component 11 is a frame structure. The second component 12 is located on the right side in FIG. 1, and the second component 12 is a columnar structure, and the connecting frame 13 is a plate structure or a columnar structure, which can realize the connection between the first component 11 and the second component 12, so that the packaging device 100 has better balance.

[0074] In addition, in order to make the packaging device 100 have better balance, the glue feeding structure 31 and the film taking assembly 20 can be respectively arranged close to the first component 11 and the second component 12, so that the packaging device 100 has better balance along the X-X direction.

[0075] The embodiment of the present application can realize the balanced arrangement of the packaging device 100, and facilitate the movement of the glue sticking structure 32 and the first suction cup 21 to the upper side of the bare battery core 200.

[0076] Optionally, as shown in FIG. 4, the packaging device 100 further comprises a hopper assembly 40 and a first base 42, the hopper assembly 40 comprises a plurality of hopper warehouses 41, and the hopper warehouses 41 are used for placing buffer films 300; the plurality of hopper warehouses 41 are rotatably arranged on the first base 42, and the first base 42 is connected with the second component 12.

[0077] It should be noted that in order to realize the rotation of the hopper assembly 40, a motor can be arranged, and the rotation of the motor can be realized, or manual operation can be used to realize the rotation of the hopper assembly 40, wherein the rotation of the hopper assembly 40 can be clockwise or counterclockwise.

[0078] In FIG. 4, the number of hopper warehouses 41 is two, and the two hopper warehouses 41 are diagonally arranged, so that the switching of the hopper warehouses 41 can be realized by rotating the hopper assembly 40 by 180 degrees, thereby realizing uninterrupted feeding.

[0079] It should be noted that the suction cup is a device that uses negative pressure principle to generate adsorption force, and the release of the object can be realized by releasing the suction cup. The working mode of the suction cup is a common structure, and the specific structure of the suction cup will not be introduced here.

[0080] The embodiment of the present application sets the hopper assembly 40 and the first base 42, wherein the hopper assembly 40 includes a plurality of hopper warehouses 41 for placing the buffer film 300, and the plurality of hopper warehouses 41 are rotatably arranged on the first base 42, and the first base 42 is connected with the second part 12, so that the effect of uninterrupted feeding can be realized through the rotation of the hopper warehouse 41.

[0081] Optionally, as shown in FIGS. 4 and 5, the glue feeding structure 31 includes a glue feeding wheel 311, a glue pressing part 313, a glue pulling part 314 and a cutter part 315. The glue feeding wheel 311 is rotatably arranged on the first part 11 and is used for mounting and conveying the glue paper. The glue pressing part 313 is arranged on the first part 11 and is located at the downstream side of the glue feeding wheel 311 and is configured to clamp the glue paper. The glue pulling part 314 is arranged on the first part 11 and is located at the downstream side of the glue pressing part 313 and is configured to pull the glue paper to a predetermined length. The cutter part 315 is used to cut off the part of the glue paper between the glue pressing part 313 and the glue pulling part 314.

[0082] It should be noted that the cutter of the cutter part 315 can be driven to move upward or retract downward by a structure such as a pneumatic cylinder. The glue paper cut off by the cutter falls above the cutter part 315 and can be adsorbed by the glue sticking assembly 30 and then transported to a designated position.

[0083] It can be understood that the glue feeding wheel 311 here can rotate, and the roll of glue paper can be placed on the glue feeding wheel 311. The glue pressing part 313 here can clamp the glue paper, so that the cutter part 315 can smoothly cut off the glue paper.

[0084] The embodiment of the present application sets the glue feeding wheel 311, the glue pressing part 313, the glue pulling part 314 and the cutter part 315, wherein the glue feeding wheel 311 is rotatably arranged on the first part 11 and is used for mounting and conveying the glue paper; the glue pressing part 313 is arranged on the first part 11 and is located at the downstream side of the glue feeding wheel 311 and is configured to clamp the glue paper; the glue pulling part 314 is arranged on the first part 11 and is located at the downstream side of the glue pressing part 313 and is configured to pull the glue paper to a predetermined length; and the cutter part 315 is used to cut off the part of the glue paper between the glue pressing part 313 and the glue pulling part 314, so that the glue feeding structure 31 can be provided with the glue paper of a predetermined length.

[0085] Optionally, the glue feeding structure 31 further includes a plurality of transition wheels 312, wherein the transition wheels 312 are arranged between the glue feeding wheel 311 and the glue pressing part 313 and can realize tensioning of the glue paper.

[0086] Optionally, as shown in FIG. 5, in order to provide two pieces of adhesive tape of predetermined length at the same time, the number of cutter members 315 is at least two, and the at least two cutter members 315 are arranged at intervals along the moving direction of the adhesive tape, wherein one piece of adhesive tape is between the two cutter members 315, and the other piece of adhesive tape is between the adhesive tape pulling member 314 and the adjacent cutter member 315, so that the simultaneous cutting of the adhesive tape can be realized by the two cutter members 315, and the efficiency of the adhesive tape preparation is improved.

[0087] It should be noted that the number of the adhesive tape sticking suction cups 321 can also be two, and the simultaneous adsorption of two pieces of adhesive tape is realized, so that the efficiency of the adhesive tape sticking is improved.

[0088] The embodiment of the present application can realize the preparation of multiple pieces of adhesive tape at one time by arranging the number of cutter members 315 to be at least two, and arranging the at least two cutter members 315 at intervals along the moving direction of the adhesive tape, so that the efficiency of the adhesive tape feeding is improved.

[0089] Optionally, as shown in FIG. 6, the power member includes a first power member 322, the first power member 322 is used to drive the adhesive tape sticking suction cup 321 to generate vertical movement, and the adhesive tape sticking suction cup 321 is arranged above the cutter member 315.

[0090] It should be noted that the first power member 322 can be a linear motor, which can drive the adhesive tape sticking suction cup 321 to move along the vertical direction, so as to approach the adhesive tape above the cutter member 315 and realize the adsorption of the adhesive tape.

[0091] Of course, when it is necessary to adjust the angle of the adhesive tape sticking suction cup 321, a driving component can also be arranged to realize the rotation of the adhesive tape sticking suction cup 321.

[0092] The embodiment of the present application can realize the adjustment of the height of the adhesive tape sticking suction cup 321 by arranging the first power member 322, wherein the first power member 322 is used to drive the adhesive tape sticking suction cup 321 to generate vertical movement, and the adhesive tape sticking suction cup 321 is arranged above the cutter member 315, so that the adsorption of the adhesive tape is better.

[0093] Optionally, as shown in FIG. 6, the power member further includes a second power member 323, the second power member 323 is arranged on the connecting frame 13, and is used to drive the adhesive tape sticking suction cup 321 to move along the length direction of the connecting frame 13.

[0094] The second power member 323 can be a linear motor, wherein the length direction of the connecting frame 13 is the X-X direction in FIG. 4, so that the horizontal movement of the position of the adhesive tape sticking suction cup 321 is realized.

[0095] The second power member 323 is arranged on the connecting frame 13 and is used to drive the rubberizing suction disc 321 to move along the length direction of the connecting frame 13, so that the rubberizing suction disc 321 can be transported to the upper side of the bare battery cell 200, and the rubber paper can be transported.

[0096] Optionally, the film coating device 100 further comprises a mounting seat 50, which is connected with the bottom of the first part 11 in the vertical direction. The mounting seat 50 and the first base 42 are both located at the bottom of the film coating device 100, so that the film coating device 100 can be fixed.

[0097] It can be understood that the mounting seat 50 and the first base 42 can be fixed on the ground or other workbench by using bolts 60, so that the film coating device 100 can be stably installed. The number of the bolts 60 is multiple.

[0098] The mounting seat 50 is arranged and connected with the bottom of the first part 11 in the vertical direction, so that the film coating device 100 can be stably fixed.

[0099] It should be noted that the first suction disc 21 is moved to the upper side of the bare battery cell 200, and the buffer film 300 can be placed on the bare battery cell 200 by moving the first suction disc 21 downward or moving the tray 400 upward. Correspondingly, when the rubberizing suction disc 321 is moved to the upper side of the bare battery cell 200, the buffer film 300 can be connected to the bare battery cell 200 by moving the rubberizing suction disc 321 downward or moving the tray 400 upward.

[0100] Optionally, the mounting frame 10 further comprises a reinforcing frame 14, which is connected with the first part 11 and the connecting frame 13, so that the strength and stability of the mounting frame 10 can be increased.

[0101] It should be emphasized that the buffer film 300 in the stock bin assembly 40 is not in a surrounding closed space, that is, the cylindrical closed structure in FIG. 1 does not exist. The virtual part is added here to represent the rotating path of the stock bin assembly 40, which does not exist in actual application and does not affect the taking out of the buffer film 300.

[0102] In addition, the rubber paper has adhesion on one side, and the components in contact with the adhesive side of the rubber paper are provided with an anti-adhesion surface, so that the rubber paper will not be stuck.

[0103] The second aspect of the present application provides a battery production equipment, which comprises the film coating device 100 mentioned in the above embodiments, and the film coating device 100 is used for coating the bare battery cell 200.

[0104] The battery production device further comprises a feeding device, a cell conveying device, and a discharging device, and the like, wherein the cell conveying device is provided with the tray 400, the bare cells 200 placed on the tray 400 can be moved, and the tray 400 is moved to a work station for placing the buffer film 300 and the adhesive.

[0105] The flow involved in the embodiment of the application will be introduced below.

[0106] The feeding device places the bare cells 200 on the tray 400;

[0107] The cell conveying device conveys the tray 400 to a work station for placing the buffer film 300 and the adhesive;

[0108] The first suction cup 21 sucks the buffer film 300 from the warehouse 41, the rotating moving part 22 adjusts the height and rotation angle of the first suction cup 21, then the buffer film 300 is moved to the upper side of the bare cell 200 along the X-X direction through the first translation part 23, and the buffer film 300 is placed on the upper surface of the bare cell 200;

[0109] The adhesive sending structure 31 cuts the adhesive paper with a predetermined length, the adhesive pasting structure 32 takes out the adhesive paper and moves to the upper side of the bare cell 200, and the buffer film 300 is connected with the bare cell 200;

[0110] The discharging device transfers the bare cell 200 with the film to the next process, the tray 400 is reset, and the operation is repeated again.

[0111] The third aspect of the application provides a battery production line comprising the battery production device mentioned in the above embodiment.

[0112] The battery production line is provided with a winding device, a welding device, and a detection device, and the like, so that the flow production of the battery can be realized.

[0113] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the specific embodiments of the application can be implemented according to the content of the description, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described.

[0114] The first aspect of the present application provides a film coating device 100 for coating a bare battery cell 200, the film coating device 100 comprising a mounting frame 10, a film taking assembly 20 and a film pasting assembly 30, the film taking assembly 20 being arranged on the mounting frame 10 and comprising a driving member and a first suction disc 21 connected with the driving member, wherein the first suction disc 21 is configured to adsorb a buffer film 300 and the driving member is configured to drive the first suction disc 21 to move above the bare battery cell 200; the film pasting assembly 30 being arranged on the mounting frame 10 and comprising a film feeding structure 31 and a film pasting structure 32, the film feeding structure 31 being configured to provide a predetermined length of adhesive paper; the film pasting structure 32 comprising a film pasting suction disc 321 and a power member, the power member being configured to drive the film pasting suction disc 321 to move above the bare battery cell 200. Further, the driving member comprises a rotary motion member 22 connected with the first suction disc 21 and configured to drive the first suction disc 21 to perform rotary motion and / or vertical motion. Further, the driving member further comprises a first translation member 23 configured to drive the rotary motion member 22 to move along a horizontal direction. Further, the mounting frame 10 comprises a first part 11, a second part 12 and a connecting frame 13, the first part 11 and the second part 12 being oppositely arranged, and the two ends of the connecting frame 13 being connected with the first part 11 and the second part 12 respectively; the film feeding structure 31 being connected with the first part 11, the film pasting structure 32 being connected with the connecting frame 13, and the driving member being connected with the connecting frame 13. Further, the film coating device 100 further comprises a stock bin assembly 40 and a first base 42, the stock bin assembly 40 comprising a plurality of stock bin storages 41 configured to store the buffer film 300; the plurality of stock bin storages 41 being rotatably arranged on the first base 42, and the first base 42 being connected with the second part 12. Further, the film feeding structure 31 comprises a film feeding wheel 311, a film pressing member 313, a film pulling member 314 and a cutter member 315, the film feeding wheel 311 being rotatably arranged on the first part 11 and configured to mount and transport the adhesive paper; the film pressing member 313 being arranged on the first part 11 and located at a downstream side of the film feeding wheel 311 and configured to clamp the adhesive paper; the film pulling member 314 being arranged on the first part 11 and located at a downstream side of the film pressing member 313 and configured to pull the adhesive paper to a predetermined length; and the cutter member 315 being configured to cut the adhesive paper between the film pressing member 313 and the film pulling member 314. Further, the number of the cutter member 315 is at least two, and the at least two cutter members 315 are arranged at intervals along the moving direction of the adhesive paper. Further, the power member comprises a first power member 322 configured to drive the film pasting suction disc 321 to perform vertical motion, wherein the film pasting suction disc 321 is arranged above the cutter member 315. Further, the power member further comprises a second power member 323 arranged on the connecting frame 13 and configured to drive the film pasting suction disc 321 to move along the length direction of the connecting frame 13.Further, the film-wrapping device 100 further comprises a mounting seat 50, which is connected with the bottom of the first part 11 along the vertical direction.

[0115] The above merely provides the preferred embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or replacements within the technical scope disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0116] .

Claims

1. An encapsulation device for encapsulating a bare cell, wherein, The film coating device comprises: a mounting frame; a film taking assembly arranged on the mounting frame, the film taking assembly comprising a driving member and a first suction disc connected with the driving member, wherein the first suction disc is used for adsorbing buffer film, and the driving member is used for driving the first suction disc to move above the bare battery cell; and a rubber pasting assembly arranged on the mounting frame, the rubber pasting assembly comprising a rubber feeding structure and a rubber pasting structure, the rubber feeding structure being used for providing rubber paper with a predetermined length, and the rubber pasting structure comprising a rubber pasting suction disc and a power member, the power member being used for driving the rubber pasting suction disc to move above the bare battery cell.

2. The encasement of claim 1, wherein, The driving member comprises: a rotary moving member connected with the first suction disc, used for driving the first suction disc to perform rotary movement and / or vertical movement.

3. The encasement of claim 1 or 2, wherein, The driving member further comprises: a first translation member used for driving the rotary moving member to move in a horizontal direction.

4. The encasement of any one of claims 1 to 3, wherein, The mounting frame comprises a first part, a second part and a connecting frame, the first part and the second part being oppositely arranged, and two ends of the connecting frame being connected with the first part and the second part respectively; the rubber feeding structure is connected with the first part, the rubber pasting structure is connected with the connecting frame, and the driving member is connected with the connecting frame.

5. The encasement of any one of claims 1 to 4, wherein, The film coating device further comprises: a hopper assembly comprising a plurality of hopper warehouses, the hopper warehouses being used for placing buffer film; and a first base, the plurality of hopper warehouses being rotatably arranged on the first base, and the first base being connected with the second part.

6. The encasement of claim 4, wherein, The rubber feeding structure comprises: a rubber feeding wheel rotatably arranged on the first part and used for installing and feeding rubber paper; a rubber pressing member arranged on the first part and located on a downstream side of the rubber feeding wheel, and configured to clamp the rubber paper; a rubber pulling member arranged on the first part and located on a downstream side of the rubber pressing member, and configured to pull the rubber paper to the predetermined length; and a cutter member used for cutting a part of the rubber paper between the rubber pressing member and the rubber pulling member. The number of the cutter members is at least two, and the at least two cutter members are arranged at intervals along a moving direction of the rubber paper.

7. The encasement of claim 6, wherein, The power member comprises a first power member used for driving the rubber pasting suction disc to perform vertical movement, wherein the rubber pasting suction disc is arranged above the cutter member.

8. The encasement of claim 7, wherein, The power member further comprises a second power member arranged on the connecting frame, used for driving the rubber pasting suction disc to move along a length direction of the connecting frame.

9. The encasement of claim 8, wherein, The film coating device further comprises a mounting seat connected with a bottom of the first part in a vertical direction.

10. The encasement of any of claims 5 to 9, wherein, The film coating device is used for coating a bare battery cell.

11. A battery production apparatus, wherein, The battery production equipment comprises the film coating device.

12. A battery production line, wherein, The battery production equipment comprises the film coating device.

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