Film coating device, battery production equipment and battery production line

Abstract

The utility model relates to the technical field of battery production, in particular to a film coating device, battery production equipment and a battery production line. The film wrapping device is used for wrapping the naked battery cell, the film wrapping device comprises a mounting frame, a film taking assembly and a rubberizing assembly, the film taking assembly is arranged on the mounting frame and comprises a driving part and a first suction cup, the first suction cup is connected with the driving part, the first suction cup is used for adsorbing a buffer film, and the rubberizing assembly is used for rubberizing the buffer film. The driving piece is used for driving the first suction cup to move to the position above the bare battery cell; the rubberizing assembly is arranged on the mounting frame, the rubberizing assembly comprises a rubberizing structure and a rubberizing structure, and the rubberizing structure is used for providing gummed paper with a preset length; the rubberizing structure comprises a rubberizing suction cup and a power piece, the power piece is used for driving the rubberizing suction cup to move to the position above the naked battery cell, the two working procedures of buffering film releasing and rubberizing can be achieved through one device, the naked battery cell does not need to be transferred, and the efficiency of arranging the buffering film on the large face of the naked battery cell and rubberizing is improved.

Description

Technical Field

[0001] The present application relates to the technical field of battery production, and in particular to a coating device, battery production equipment and a battery production line. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] During the production process of the battery, a buffer film needs to be provided on the large surface of the bare battery cell, and the buffer film needs to be attached to the bare battery cell using adhesive tape.

[0004] Normally, two devices are needed to achieve this. One device places the buffer film on the large surface of the bare battery cell, and then transfers the bare battery cell with the buffer film to the next device to complete the glue-sticking process, which is inefficient. Utility Model Content

[0005] In view of the above problems, the present application provides a coating device, battery production equipment and battery production line, which solve the problem of low efficiency of setting a buffer film and gluing on a large surface of a bare battery cell in the prior art.

[0006] The first aspect of the present application provides a coating device for coating a bare cell, the coating device comprising:

[0007] Mounting frame;

[0008] A film removal assembly is arranged on a mounting frame, and the film removal assembly includes a driving member and a first suction cup, the first suction cup is connected to the driving member, wherein the first suction cup is used to absorb the buffer film, and the driving member is used to drive the first suction cup to move above the bare battery cell; and

[0009] The glue sticking assembly is arranged on the mounting frame, and the glue sticking assembly includes a glue feeding structure and a glue sticking structure, the glue feeding structure is used to provide glue paper of a predetermined length; the glue sticking structure includes a glue sticking suction cup and a power part, and the power part is used to drive the glue sticking suction cup to move above the bare battery cell.

[0010] The coating device of the embodiment of the present application is provided with a film removal assembly and a glue sticking assembly located on a mounting frame, wherein the film removal assembly can move the buffer film to the top of the bare battery cell through a driving member and a first suction cup, and the glue sticking assembly can provide a predetermined length of cuticle, and move the adhesive paper to the top of the bare battery cell through a suction cup assembly and a power member, and stick the buffer film to the bare battery cell together. The two processes of placing the buffer film and sticking glue can be realized by one device without transferring the bare battery cell, thereby improving the efficiency of setting the buffer film and sticking glue on the large surface of the bare battery cell.

[0011] In some embodiments of the present application, the driving member includes a rotational moving member, which is connected to the first suction cup and is used to drive the first suction cup to rotate and / or move in a vertical direction.

[0012] In the embodiment of the present application, a rotating moving part connected to the first suction cup is provided, wherein the rotating moving part is used to drive the first suction cup to rotate and / or move in a vertical direction. Then, the angle of the first suction cup and / or the height of the first suction cup can be adjusted, thereby facilitating the adsorption of the buffer film and achieving material removal from the buffer film.

[0013] In some embodiments of the present application, the driving member further includes a first translation member, and the first translation member is used to drive the rotating member to move in a horizontal direction.

[0014] In the embodiment of the present application, a first translation member is provided, wherein the first translation member is used to drive the rotating member to move in a horizontal direction, so that the position of the first suction cup can be adjusted to facilitate moving the buffer film adsorbed by the first suction cup to the top of the bare battery cell.

[0015] 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 arranged opposite to each other, and the two ends of the connecting frame are respectively connected to the first component and the second component; the glue delivery structure is connected to the first component, the glue application structure is connected to the connecting frame, and the driving member is connected to the connecting frame.

[0016] The embodiment of the present application is provided with a first component, a second component and a connecting frame, wherein the first component and the second component are arranged relative to each other, and the two ends of the connecting frame are respectively connected to the first component and the second component; wherein the glue delivery structure is connected to the first component, the glue application structure is connected to the connecting frame, and the driving member is connected to the connecting frame, thereby achieving a balanced setting of the coating device and facilitating the glue application structure and the first suction cup to be moved to the top of the bare battery cell respectively.

[0017] In some embodiments of the present application, the coating device further includes a silo assembly and a first base, the silo assembly includes a plurality of silos for placing buffer films; the plurality of silos are rotatably disposed on the first base, and the first base is connected to the second component.

[0018] The embodiment of the present application is provided with a silo assembly and a first base, wherein the silo assembly includes a plurality of silos for placing buffer films, and the plurality of silos are rotatably provided on the first base, and the first base is connected to the second component, so that the effect of uninterrupted material supply can be achieved through the rotation of the silos.

[0019] In some embodiments of the present application, the glue feeding structure includes a feed wheel, a glue pressing paper piece, a glue pulling paper piece and a cutting piece. The feed wheel is rotatably disposed on the first component and is used to install and convey the glue paper; the glue pressing paper piece is disposed on the first component and is located on the downstream side of the feed wheel, and is configured to clamp the glue paper; the glue pulling paper piece is disposed on the first component and is located on the downstream side of the glue pressing paper piece, and is configured to pull the glue paper to a predetermined length; the cutting piece is used to cut off the portion of the glue paper located between the glue pressing paper piece and the glue pulling paper piece.

[0020] The embodiments of the present application are provided with a discharge wheel, a glue pressing piece, a glue pulling piece and a cutting piece, wherein the discharge wheel is rotatably provided on the first component and is used for installing and conveying the glue paper; the glue pressing piece is provided on the first component and is located on the downstream side of the discharge wheel, and is configured to clamp the glue paper; the glue pulling piece is provided on the first component and is located on the downstream side of the glue pressing piece, and is configured to pull the glue paper to a predetermined length; the cutting piece is used for cutting off the portion of the glue paper between the glue pressing piece and the glue pulling piece, and can provide glue paper of a predetermined length to the glue feeding structure.

[0021] In some embodiments of the present application, the number of the cutting blades is at least two, and the at least two cutting blades are arranged at intervals along the moving direction of the adhesive tape.

[0022] In the embodiment of the present application, by setting the number of cutting pieces to at least two, and at least two cutting pieces are arranged at intervals along the moving direction of the adhesive tape, it is possible to prepare a plurality of adhesive tapes at one time, thereby improving the efficiency of adhesive feeding.

[0023] In some embodiments of the present application, the power member includes a first power member, and the first power member is used to drive the glue suction cup to generate vertical movement, wherein the glue suction cup is arranged above the cutting member.

[0024] The embodiment of the present application sets a first power member, wherein the first power member is used to drive the glue suction cup to produce vertical movement, wherein the glue suction cup is set above the cutting member, and the height of the glue suction cup can be adjusted by the first power member to better adsorb the adhesive paper.

[0025] In some embodiments of the present application, the power member further includes a second power member, which is disposed on the connecting frame and is used to drive the glue suction cup to move along the length direction of the connecting frame.

[0026] The embodiment of the present application provides a second power member, wherein the second power member is provided on the connecting frame and is used to drive the glue suction cup to move along the length direction of the connecting frame, so that the glue suction cup can be transported to the top of the bare battery cell to realize the transportation of the adhesive paper.

[0027] In some embodiments of the present application, the film-wrapping device further includes a mounting seat, which is connected to the bottom of the first component along the vertical direction.

[0028] In the embodiment of the present application, a mounting seat is provided and the mounting seat is connected to the bottom of the first component along the vertical direction, so that the coating device can be stably fixed.

[0029] The second aspect of the present application proposes a battery production device, including the coating device mentioned in the above embodiment, which is used to coat bare batteries.

[0030] The third aspect of the present application proposes a battery production line, including the battery production equipment mentioned in the above embodiments.

[0031] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0033] Figure 1 A schematic diagram of the structure of a coating device provided in some embodiments of the present application (including a buffer film and a bare cell);

[0034] Figure 2 for Figure 1 A schematic diagram of the partial enlarged structure of the membrane encapsulation device at position A shown in FIG.

[0035] Figure 3 for Figure 1 A partial enlarged structural schematic diagram of the membrane encapsulation device at position B shown in FIG.

[0036] Figure 4 for Figure 1 A schematic diagram of the three-dimensional structure of the encapsulation device shown in the second viewing angle;

[0037] Figure 5 for Figure 4 A partial enlarged structural schematic diagram of the membrane encapsulation device at position C shown in FIG.

[0038] Figure 6 for Figure 4 A partial enlarged structural schematic diagram of the membrane encapsulation device at position D shown in FIG.

[0039] Figure 7 for Figure 4A schematic diagram of the partial enlarged structure of the membrane device at E shown in FIG.

[0040] The reference numerals are as follows:

[0041] 100. Encapsulation device;

[0042] 10. Mounting frame; 11. First component; 12. Second component; 13. Connecting frame; 14. Reinforcement frame;

[0043] 20. Take the membrane assembly; 21. First suction cup; 22. Rotary moving part; 23. First translation part;

[0044] 30. Glue sticking assembly; 31. Glue feeding structure; 311. Feeding wheel; 312. Transition wheel; 313. Glue pressing paper piece; 314. Glue pulling paper piece; 315. Cutter; 32. Glue sticking structure; 321. Glue sticking suction cup; 322. First power piece; 323. Second power piece;

[0045] 40. Silo assembly; 41. Silo; 42. First base;

[0046] 50. Mounting seat;

[0047] 60. Bolts;

[0048] 200, bare battery cells;

[0049] 300, buffer film;

[0050] 400. Pallet. DETAILED DESCRIPTION

[0051] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0052] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0053] 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 "multiple" is more than two, unless otherwise clearly and specifically defined.

[0054] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0055] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0056] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0057] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, which are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0058] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0059] At present, from the perspective of market development, the application of batteries is becoming more and more extensive. Batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields. With the continuous expansion of battery application areas, its market demand is also constantly expanding.

[0060] The battery involved in the embodiment of the present application can be used in, but not limited to, electric devices such as vehicles, ships or aircraft. The battery comprising the battery cell, battery pack, etc. involved in the present application can be used to form the electric device.

[0061] In the embodiments of the present application, the electric devices using batteries as power sources may be, but are not limited to, mobile phones, tablets, laptops, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0062] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the batteries and electrical equipment described above, but can also be applied to all batteries including a box and electrical equipment using the battery.

[0063] During the production process of the battery, a buffer film needs to be provided on the large surface of the bare battery cell, and the buffer film needs to be attached to the bare battery cell using adhesive tape.

[0064] Normally, two devices are needed to achieve this. One device places the buffer film on the large surface of the bare battery cell, and then transfers the bare battery cell with the buffer film to the next device to complete the glue-sticking process, which is inefficient.

[0065] In order to solve this problem, an embodiment of the present application proposes a film coating device, which includes a mounting frame, a film removal assembly and a glue sticking assembly. The film removal assembly is arranged on the mounting frame, and the film removal assembly includes a driving member and a first suction cup, and the first suction cup is connected to 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 battery cell; the glue sticking assembly is arranged on the mounting frame, and the glue sticking assembly includes a glue feeding structure and a glue sticking structure, and the glue feeding structure is used to provide a predetermined length of adhesive tape; the glue sticking structure includes a glue sticking suction cup and a power member, and the power member is used to drive the glue sticking suction cup to move above the bare battery cell. The embodiment of the present application is provided with a film removal assembly and a glue application assembly located on a mounting frame, wherein the film removal assembly can move the buffer film to the top of the bare battery cell through a driving member and a first suction cup, and the glue application assembly can provide a predetermined length of cuticle, and move the adhesive paper to the top of the bare battery cell through the suction cup assembly and the power member, and adhere the buffer film to the bare battery cell. The two processes of placing the buffer film and applying glue can be realized by one device without transferring the bare battery cell, thereby improving the efficiency of setting the buffer film and applying glue on the large surface of the bare battery cell.

[0066] The film coating device in the embodiment of the present application can be used in the production process of batteries, and can also be used on other products that need to be coated.

[0067] The structure in the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0068] The first aspect of the present application provides a film coating device 100, such as Figures 1 to 7 As shown, it is used to film a bare battery cell 200. The film coating device 100 includes a mounting frame 10, a film removal assembly 20 and a glue sticking assembly 30. The film removal assembly 20 is arranged on the mounting frame 10, and the film removal assembly 20 includes a driving member and a first suction cup 21, and the first suction cup 21 is connected to the driving member, wherein the first suction cup 21 is used to adsorb the buffer film 300, and the driving member is used to drive the first suction cup 21 to move to the top of the bare battery cell 200; the glue sticking assembly 30 is arranged on the mounting frame 10, and the glue sticking assembly 30 includes a glue feeding structure 31 and a glue sticking structure 32, the glue feeding structure 31 is used to provide a predetermined length of adhesive tape; the glue sticking structure 32 includes a glue sticking suction cup 321 and a power member, and the power member is used to drive the glue sticking suction cup 321 to move to the top of the bare battery cell 200.

[0069] It should be noted that the predetermined length of adhesive tape refers to adhesive tape of a specific length, such as 10 mm or 15 mm, etc. The length of the adhesive tape can be determined according to needs. The adhesive tape here is used to fix the buffer film 300 on the bare battery cell 200.

[0070] It should be added that the bare cells 200 are placed on a tray 400, and the tray 400 with the bare cells 200 can be moved to a designated station, that is, a station for placing the buffer film 300 and applying glue, through a conveyor line.

[0071] In addition, the driving member here is used to drive the first suction cup 21 to move to the top of the bare battery cell 200, and the power member is used to drive the adhesive suction cup 321 to move to the top of the bare battery cell 200, which can be moved from two directions to the direction where the tray 400 is located, referring to Figure 1 As shown, the first suction cup 21 moves from right to left along the XX direction, and the glue suction cup 321 moves from left to right along the XX direction. In order to ensure that the first suction cup 21 does not affect the use of the glue suction cup 321, the first suction cup 21 can be reset after placing the buffer film 300, and then the glue suction cup 321 can be used to achieve the glue effect.

[0072] The coating device 100 of the embodiment of the present application is provided with a film removal assembly 20 and a glue application assembly 30 located on the mounting frame 10, wherein the film removal assembly 20 can move the buffer film 300 to the top of the bare battery cell 200 through the driving member and the first suction cup 21, and the glue application assembly 30 can provide a predetermined length of cuticle, and move the adhesive paper to the top of the bare battery cell 200 through the suction cup assembly and the power member, and adhere the buffer film 300 to the bare battery cell 200. The two processes of placing the buffer film 300 and applying glue can be realized by one device without transferring the bare battery cell 200, thereby improving the efficiency of setting the buffer film 300 and applying glue on the large surface of the bare battery cell 200.

[0073] Optionally, the driving member includes a rotational moving member 22, which is connected to the first suction cup 21 and is used to drive the first suction cup 21 to rotate and / or move in a vertical direction.

[0074] It should be noted that the rotating moving part 22 here is a Z-axis moving rotating structure, which refers to a structure that rotates around the Z-axis in a three-dimensional coordinate system, and is usually composed of a motor, a transmission device, a workbench, etc. The transmission device can be in the form of gear transmission, belt transmission or linear guide rails, so that the height of the first suction cup 21 and the angle of the first suction cup 21 can be adjusted.

[0075] Specifically, the height of the first suction cup 21 can be adjusted by a linear motor, and the first suction cup 21 can be rotated by a rotary motor. These are common structures and will not be described in detail here.

[0076] In the embodiment of the present application, a rotating moving part 22 connected to the first suction cup 21 is provided, wherein the rotating moving part 22 is used to drive the first suction cup 21 to rotate and / or move in a vertical direction. The angle of the first suction cup 21 and / or the height of the first suction cup 21 can be adjusted, thereby facilitating the adsorption of the buffer film 300 and realizing the material removal of the buffer film 300.

[0077] Optionally, the driving member further includes a first translation member 23, and the first translation member 23 is used to drive the rotating member 22 to move in the horizontal direction. Specifically, the first translation member 23 can drive the rotating member 22 to move as a whole, so that the position of the first suction cup 21 along the XX direction can be adjusted, and the first suction cup 21 can be moved above the bare battery cell 200.

[0078] In the embodiment of the present application, by setting a first translation member 23, wherein the first translation member 23 is used to drive the rotating member 22 to move in the horizontal direction, the position of the first suction cup 21 can be adjusted to facilitate moving the buffer film 300 adsorbed by the first suction cup 21 to the top of the bare battery cell 200.

[0079] The structure of the mounting frame 10 will be described in detail below, wherein the mounting frame 10 includes a first component 11, a second component 12 and a connecting frame 13, the first component 11 and the second component 12 are arranged opposite to each other, and the two ends of the connecting frame 13 are respectively connected to the first component 11 and the second component 12; the glue feeding structure 31 is connected to the first component 11, the glue sticking structure 32 is connected to the connecting frame 13, and the driving member is connected to the connecting frame 13.

[0080] It should be noted that the first component 11 here can be a plate-like structure, a columnar structure or a frame structure. Figure 1 In the embodiment, the first component 11 is a frame structure. The second component 12 is located at Figure 1 On the right side of the figure, the second component 12 is a columnar structure, and the connecting frame 13 is a plate-like structure or a columnar structure, which can realize the connection between the first component 11 and the second component 12, so that the coating device 100 has a better balance.

[0081] In addition, in order to make the film coating device 100 have better balance, the glue feeding structure 31 and the film placing assembly can be respectively arranged close to the first component 11 and the second component 12, so that the film coating device 100 has better balance along the XX direction.

[0082] The embodiment of the present application is provided with a first component 11, a second component 12 and a connecting frame 13, wherein the first component 11 and the second component 12 are arranged relative to each other, and the two ends of the connecting frame 13 are respectively connected to the first component 11 and the second component 12; wherein the glue delivery structure 31 is connected to the first component 11, the glue sticking structure 32 is connected to the connecting frame 13, and the driving member is connected to the connecting frame 13, thereby realizing a balanced setting of the coating device 100 and facilitating the glue sticking structure 32 and the first suction cup 21 to be respectively moved to the top of the bare battery cell 200.

[0083] Alternatively, if Figure 4 As shown, the film coating device 100 also includes a silo assembly 40 and a first base 42 . The silo assembly 40 includes a plurality of silos 41 , which are used to place the buffer film 300 . The plurality of silos 41 are rotatably disposed on the first base 42 , and the first base 42 is connected to the second component 12 .

[0084] It should be noted that in order to realize the rotation of the silo assembly 40, a motor can be set up and realized by the rotation of the motor, or the rotation of the silo assembly 40 can be realized by manual operation, wherein the rotation of the silo assembly 40 can be clockwise or counterclockwise.

[0085] exist Figure 4In the embodiment, there are two material bins 41, and the two material bins 41 are placed diagonally, so that the material bin assembly 40 can be rotated 180 degrees to switch the material bins 41, thereby achieving uninterrupted material supply.

[0086] It should be noted that the suction cup is a device that uses the principle of negative pressure to generate adsorption force. The object can be released by relieving the pressure on the suction cup. The working method of the suction cup is a common structure, and the specific structure of the suction cup will not be introduced here.

[0087] The embodiment of the present application is provided with a silo assembly 40 and a first base 42, wherein the silo assembly 40 includes a plurality of silos 41, the silos 41 are used to place the buffer film 300, and the plurality of silos 41 are rotatably provided on the first base 42, and the first base 42 is connected to the second component 12, so that the effect of uninterrupted material supply can be achieved through the rotation of the silos 41.

[0088] Alternatively, if Figure 4 and Figure 5 As shown, the glue feeding structure 31 includes a feed wheel 311, a glue pressing paper piece 313, a glue pulling paper piece 314 and a cutting piece 315. The feed wheel 311 is rotatably arranged on the first component 11 and is used to install and convey the glue paper; the glue pressing paper piece 313 is arranged on the first component 11 and is located on the downstream side of the feed wheel 311, and is configured to clamp the glue paper; the glue pulling paper piece 314 is arranged on the first component 11 and is located on the downstream side of the glue pressing paper piece 313, and is configured to pull the glue paper to a predetermined length; the cutting piece 315 is used to cut off the portion of the glue paper located between the glue pressing paper piece 313 and the glue pulling paper piece 314.

[0089] It should be noted that the cutter of the cutter member 315 can be driven by a cylinder or other structure to move upward or extend downward, and the adhesive tape cut by the cutter falls on the top of the cutter member 315 and can be adsorbed by the adhesive assembly 30 and then transported to a designated location.

[0090] It is understandable that the unloading wheel 311 here can rotate, and the rolled adhesive tape can be placed on the unloading wheel 311. The adhesive tape pressing piece 313 here can form a clamp for the adhesive tape, so that the cutting piece can smoothly cut the adhesive tape.

[0091] The embodiment of the present application is provided with a discharge wheel 311, a glue pressing paper piece 313, a glue pulling paper piece 314 and a cutting piece 315, wherein the discharge wheel 311 is rotatably provided on the first component 11 and is used for installing and conveying the glue paper; the glue pressing paper piece 313 is provided on the first component 11 and is located on the downstream side of the discharge wheel 311, and is configured to clamp the glue paper; the glue pulling paper piece 314 is provided on the first component 11 and is located on the downstream side of the glue pressing paper piece 313, and is configured to pull the glue paper to a predetermined length; the cutting piece 315 is used to cut off the portion of the glue paper between the glue pressing paper piece 313 and the glue pulling paper piece 314, so that the glue feeding structure 31 can provide a predetermined length of glue paper.

[0092] Optionally, the glue feeding structure 31 further includes a transition wheel 312, wherein there are multiple transition wheels 312, and the transition wheel 312 is arranged between the unloading wheel 311 and the glue pressing paper piece 313, so as to achieve the tensioning of the glue paper.

[0093] Alternatively, if Figure 5 As shown, in order to provide two predetermined lengths of adhesive tape at the same time, the number of cutting pieces 315 is at least two, and at least two cutting pieces 315 are arranged at intervals along the moving direction of the adhesive tape, wherein one adhesive tape is the portion between the two cutting pieces 315, and the other adhesive tape is the portion between the adhesive tape pulling piece 314 and the adjacent cutting piece 315, so that the adhesive tape can be cut simultaneously by the two cutting pieces 315, thereby improving the efficiency of preparing the adhesive.

[0094] It should be noted that the number of the glue sticking suction cups 321 here can also be two, so as to achieve the simultaneous adsorption of two adhesive tapes, thereby facilitating improving the efficiency of glue sticking.

[0095] In the embodiment of the present application, by setting the number of the cutting pieces 315 to at least two, and at least two cutting pieces 315 are arranged at intervals along the moving direction of the adhesive tape, it is possible to prepare a plurality of adhesive tapes at one time, thereby improving the efficiency of adhesive feeding.

[0096] Alternatively, if Figure 6 As shown, the power member includes a first power member 322 , and the first power member 322 is used to drive the glue sucker 321 to generate vertical movement, wherein the glue sucker 321 is arranged above the cutting member 315 .

[0097] It should be noted that the first power member 322 here can be a linear motor, which can make the glue suction cup 321 move along the vertical direction, so as to approach the adhesive tape above the cutting member 315 to achieve the adsorption of the adhesive tape.

[0098] Of course, when the angle of the glue sucker 321 needs to be adjusted, a driving component may be additionally provided to realize the rotation of the glue sucker 321 .

[0099] In the embodiment of the present application, a first power member 322 is provided, wherein the first power member 322 is used to drive the glue suction cup 321 to produce vertical movement, wherein the glue suction cup 321 is provided above the cutting member 315, and the height of the glue suction cup 321 can be adjusted by the first power member 322, so as to better adsorb the adhesive tape.

[0100] Alternatively, if Figure 6 As shown, the power member further includes a second power member 323 , which is disposed on the connecting frame 13 and is used to drive the glue sucker 321 to move along the length direction of the connecting frame 13 .

[0101] The second power member 323 here can be a linear motor, wherein the length direction of the connecting frame 13 is Figure 4 XX direction in the middle, thereby realizing horizontal movement of the position of the glue suction cup 321.

[0102] In the embodiment of the present application, a second power member 323 is provided, wherein the second power member 323 is provided on the connecting frame 13 and is used to drive the glue suction cup 321 to move along the length direction of the connecting frame 13, so that the glue suction cup 321 can be transported to the top of the bare battery cell 200 to realize the transportation of the adhesive tape.

[0103] Optionally, the film coating device 100 further includes a mounting seat 50, which is connected to the bottom of the first component 11 along 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.

[0104] It is understandable that the mounting base 50 and the first base 42 can be fixed to the ground or other workbench by means of components such as bolts 60 to achieve stable installation of the coating device 100, wherein the number of the bolts 60 is plural.

[0105] In the embodiment of the present application, by providing a mounting seat 50 and connecting the mounting seat 50 to the bottom of the first component 11 along the vertical direction, the coating device 100 can be stably fixed.

[0106] It should be supplemented that, when the first suction cup 21 moves to the top of the bare battery cell 200, the buffer film 300 can be placed on the bare battery cell 200 by moving the first suction cup 21 downward or the tray 400 upward. Correspondingly, when the glue suction cup 321 moves to the top of the bare battery cell 200, the glue suction cup 321 can also move downward or the tray 400 moves upward to achieve connection between the buffer film 300 and the bare battery cell 200 through adhesive tape.

[0107] Optionally, the mounting frame 10 further includes a reinforcing frame 14 , wherein the reinforcing frame 14 is respectively connected to the first component 11 and the connecting frame 13 , so as to increase the strength and stability of the mounting frame 10 .

[0108] It should be emphasized that the buffer film 300 in the silo assembly 40 is not in a surrounding closed space. Figure 1 The cylindrical closed structure in the figure does not exist. It is a virtual part added here to indicate the rotation path of the silo assembly 40. It does not exist in actual application and will not affect the removal of the buffer film 300.

[0109] In addition, only one side of the adhesive tape is sticky, and the parts that the sticky side of the adhesive tape contacts are all provided with anti-sticking surfaces, so the adhesive tape will not get stuck due to adhesion.

[0110] The second aspect of the present application proposes a battery production device, including the coating device 100 mentioned in the above embodiment, and the coating device 100 is used to coat the bare battery cell 200.

[0111] The battery production equipment also includes loading equipment, battery cell conveying equipment and unloading equipment, among which a tray 400 is arranged on the battery cell conveying equipment, which can move the bare battery cells 200 placed on the tray 400 and move the tray 400 to the station for placing the buffer film 300 and the glue pasting.

[0112] The following is an introduction to the processes involved in the embodiments of the present application.

[0113] The loading device places the bare battery cells 200 on the tray 400;

[0114] The battery cell conveying equipment conveys the tray 400 to the station for placing the buffer film 300 and applying glue;

[0115] The first suction cup 21 sucks the buffer film 300 from the material warehouse 41, the rotating moving part 22 adjusts the height and the rotation angle of the first suction cup 21, and then the buffer film 300 is moved to the top of the bare battery cell 200 along the XX direction by the first translation part 23, and the buffer film 300 is placed on the upper surface of the bare battery cell 200;

[0116] The glue feeding structure 31 cuts out a predetermined length of glue paper, and the glue sticking structure 32 takes out the glue paper and moves to the top of the bare battery cell 200 to connect the buffer film 300 to the bare battery cell 200;

[0117] The unloading equipment transfers the film-affixed battery cells to the next process, and the tray 400 is reset and the operation is repeated.

[0118] The third aspect of the present application proposes a battery production line, including the battery production equipment mentioned in the above embodiments.

[0119] The battery production line is equipped with winding equipment, welding equipment and testing equipment, etc., which can realize the assembly line production of batteries.

[0120] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below.

[0121] The first aspect of the present application proposes a coating device 100 for coating a bare battery cell 200. The coating device 100 includes a mounting frame 10, a film removal assembly 20 and a glue application assembly 30. The film removal assembly 20 is arranged on the mounting frame 10, and the film removal assembly 20 includes a driving member and a first suction cup 21. The first suction cup 21 is connected to the driving member, wherein the first suction cup 21 is used to adsorb the buffer film 300, and the driving member is used to drive the first suction cup 21 to move above the bare battery cell 200; the glue application assembly 30 is arranged on the mounting frame 10, and the glue application assembly 30 includes a glue feeding structure 31 and a glue application structure 32, and the glue feeding structure 31 is used to provide a predetermined length of adhesive tape; the glue application structure 32 includes a glue application suction cup 321 and a power member, and the power member is used to drive the glue application suction cup 321 to move above the bare battery cell 200. Further, the driving member includes a rotating member 22, which is connected to the first suction cup 21 and is used to drive the first suction cup 21 to rotate and / or move in the vertical direction. Further, the driving member also includes a first translation member 23, which is used to drive the rotating member 22 to move in the horizontal direction. Further, the mounting frame 10 includes a first component 11, a second component 12 and a connecting frame 13, the first component 11 and the second component 12 are arranged opposite to each other, and the two ends of the connecting frame 13 are respectively connected to the first component 11 and the second component 12; the glue feeding structure 31 is connected to the first component 11, the glue sticking structure 32 is connected to the connecting frame 13, and the driving member is connected to the connecting frame 13. Further, the film coating device 100 also includes a silo assembly 40 and a first base 42, the silo assembly 40 includes a plurality of silos 41, the silos 41 are used to place the buffer film 300; the plurality of silos 41 are rotatably arranged on the first base 42, and the first base 42 is connected to the second component 12. Further, the adhesive feeding structure 31 includes a feeding wheel 311, a glue pressing piece 313, a glue pulling piece 314 and a cutting piece 315. The feeding wheel 311 is rotatably arranged on the first component 11 and is used to install and convey the adhesive paper; the glue pressing piece 313 is arranged on the first component 11 and is located at the downstream side of the feeding wheel 311, and is configured to clamp the adhesive paper; the glue pulling piece 314 is arranged on the first component 11 and is located at the downstream side of the glue pressing piece 313, and is configured to pull the adhesive paper to a predetermined length; the cutting piece 315 is used to cut off the portion of the adhesive paper located between the glue pressing piece 313 and the glue pulling piece 314. Further, the number of the cutting pieces 315 is at least two, and the at least two cutting pieces 315 are arranged at intervals along the moving direction of the adhesive paper. Further, the power member includes a first power member 322, which is used to drive the glue sucker 321 to move in the vertical direction, wherein the glue sucker 321 is arranged above the cutter member 315. Further, the power member includes a second power member 323, which is arranged on the connecting frame 13 and is used to drive the glue sucker 321 to move along the length direction of the connecting frame 13.Furthermore, the coating device 100 further includes a mounting seat 50 , and the mounting seat 50 is connected to the bottom of the first component 11 along the vertical direction.

[0122] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A coating device for coating a bare cell, characterized in that: The coating device comprises: Mounting frame; A film removal assembly, wherein the film removal assembly is disposed on the mounting frame and comprises a driving member and a first suction cup, wherein the first suction cup is connected to the driving member, wherein the first suction cup is used to absorb the buffer film, and the driving member is used to drive the first suction cup to move above the bare battery cell; and The glue sticking assembly is arranged on the mounting frame, and the glue sticking assembly includes a glue feeding structure and a glue sticking structure, the glue feeding structure is used to provide glue paper of a predetermined length; the glue sticking structure includes a glue sticking suction cup and a power member, and the power member is used to drive the glue sticking suction cup to move above the bare battery cell.

2. The coating device according to claim 1, characterized in that The driving member comprises: A rotating moving part, wherein the rotating moving part is connected to the first suction cup and is used to drive the first suction cup to rotate and / or move in a vertical direction.

3. The coating device according to claim 2, characterized in that The driving member also includes: A first translation member, wherein the first translation member is used to drive the rotation member to move in a horizontal direction.

4. The coating device according to claim 3, characterized in that The mounting frame includes a first component, a second component and a connecting frame, the first component and the second component are arranged opposite to each other, and two ends of the connecting frame are respectively connected to the first component and the second component; The glue feeding structure is connected to the first component, the glue applying structure is connected to the connecting frame, and the driving member is connected to the connecting frame.

5. The coating device according to claim 4, characterized in that The coating device also includes: A silo assembly, the silo assembly comprising a plurality of silos, the silos being used to place buffer films; and A first base, the plurality of material storage bins are rotatably disposed on the first base, and the first base is connected to the second component.

6. The coating device according to claim 4, characterized in that The glue feeding structure comprises: A discharge wheel, which is rotatably disposed on the first component and is used to install and transport the adhesive tape; A glue-pressed paper piece, which is disposed on the first component and is located on the downstream side of the unwinding wheel and is configured to clamp the glue-pressed paper; A glue-pulling paper piece, which is disposed on the first component and located at a downstream side of the glue-pressing paper piece and is configured to pull the glue paper to the predetermined length; and A cutter piece is used to cut off the portion of the adhesive paper between the adhesive pressing paper piece and the adhesive pulling paper piece.

7. The coating device according to claim 6, characterized in that The number of the cutting blades is at least two, and at least two of the cutting blades are arranged at intervals along the moving direction of the adhesive tape.

8. The coating device according to claim 7, characterized in that The power member includes a first power member, and the first power member is used to drive the glue sucker to generate vertical movement, wherein the glue sucker is arranged above the cutting member.

9. The coating device according to claim 8, characterized in that The power member further includes a second power member, which is disposed on the connecting frame and is used to drive the glue sticking suction cup to move along the length direction of the connecting frame.

10. The coating device according to any one of claims 5 to 9, characterized in that: The film coating device further comprises a mounting seat, and the mounting seat is connected to the bottom of the first component along the vertical direction.

11. A battery production device, characterized in that: It comprises a coating device as described in any one of claims 1 to 10, wherein the coating device is used to coat a bare battery cell.

12. A battery production line, characterized in that: Comprising the battery production equipment as claimed in claim 11.

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