A battery cell adhesive tape attachment device

Abstract

The present invention provides a battery cell tape application device, which enables the tape to be accurately applied to connect two battery cells and ensures that the tape will not be contaminated. A slide seat with an X-axis movable guide is arranged on the mounting base, and the tape application seat is supported on the slide seat through a column. The front end surface of the tape application seat is provided with a first connecting plate that moves in the Y-axis direction, and the front end surface of the first connecting plate is provided with a second connecting plate that moves vertically in the Z-axis direction. A rotating motor is arranged on the second connecting plate, and the output shaft of the rotating motor is fixedly connected to the center of a regular N-gon bottom plate, wherein N is a natural number greater than or equal to 3. A suction structure is arranged on the exposed surface of each side of the regular N-gon bottom plate, and the suction structure includes an exposed suction plate, a suction cavity, and a suction frame. An exposed pipe joint is arranged on the outer side of the suction frame, and each of the suction structures is also connected to a corresponding guide connecting frame.

Description

Technical Field

[0001] The invention relates to the technical field of battery cell assembly, and in particular to a battery cell adhesive tape attachment device. Background Art

[0002] During the manufacturing process of battery cells, two adjacent battery cells need to be attached by means of tape. In the prior art, the tape attaching device for battery cells has inaccurate positioning of the tape and the battery cells during use, and the tape is easily contaminated. Summary of the invention

[0003] In view of the above problems, the present invention provides a battery cell adhesive tape application device, which enables the adhesive tape to accurately apply and connect two battery cells and ensures that the adhesive tape will not be contaminated.

[0004] A tape attaching device for a battery cell, characterized in that: it includes a mounting base, a slide seat guided for movement in the X-axis direction is arranged on the mounting base, the tape attaching seat is supported by the slide seat through a column, a front end surface arranged on the tape attaching seat is provided with a first connecting plate for movement in the Y-axis direction, a front end surface of the first connecting plate is provided with a second connecting plate for vertical movement in the Z-axis direction, a rotating motor is arranged on the second connecting plate, an output shaft of the rotating motor is fixedly connected to the center of a regular N-gon bottom plate, wherein N is a natural number greater than or equal to 3, a suction structure is arranged on the exposed surface of each side of the regular N-gon bottom plate, the suction structure includes an exposed suction plate, a suction cavity, and a suction frame, an exposed pipe joint is arranged on the outer side of the suction frame, each of the suction structures is also connected to a corresponding guide connecting frame, the guide connecting frame is arranged away from or close to the center of the regular N-gon bottom plate, and the movement direction of the guide connecting frame is perpendicular to the corresponding suction The holding plates are arranged, the guide connecting frame is connected to the corresponding parts of the holding frame through linear compression springs and guide columns on both sides, the guide connecting frame is connected to the upper convex guide positioning studs located on the corresponding sides of the regular N-gon bottom plate through at least two parallel guide connecting long slots on the inner side, and a gap is left between adjacent holding plates, a tape cutting knife is fixedly installed on one side of the first connecting plate, the blade of the tape cutting knife is arranged toward the gap groove between two adjacent holding plates, and the blade of the tape cutting knife is used to cut the tape, and a Z-axis vertical driving cylinder is also arranged on the first connecting plate, and the piston end of the Z-axis vertical driving cylinder is arranged toward the driving guide structure of the second connecting plate. Under normal use, the Z-axis vertical driving cylinder drives the second connecting plate Z-axis to move up and down periodically; the second connecting plate is fixedly connected to a tape conveying device, and the tape conveying device continuously supplies the tape to the corresponding position of the holding plate that has been attached.

[0005] The further feature is that: the adhesive tape conveying device comprises a connecting arm, a transition roller, a loading tape roller, and a guide structure, one end of the connecting arm is fixedly connected to the second connecting plate, the other end of the connecting arm is provided with a loading tape roller, the rolled adhesive tape is positioned and installed on the loading tape roller, a transition roller is provided at a position close to the loading tape roller in the length direction of the tape arm, the transition roller is used to expose the adhesive surface of the adhesive tape to the outer surface, the guide structure is arranged at the position of the transition roller in the tape removal direction, and the non-adhesive surface of the adhesive tape is guided to the position of the corresponding suction plate on the regular N-gon bottom plate through the guide structure;

[0006] The regular N-gon bottom plate is specifically a regular five-gon deformed bottom plate, and the length of the holding plate outside each side is set corresponding to the side length of the tape required by the design;

[0007] The tape attaching seat is provided with a locking screw at the upper end corresponding to the first connecting plate, and the locking screw is used to fix the Y-axial position of the first connecting plate adjusted to the right position in the Y-axial direction;

[0008] The tape cutting knife comprises a knife seat, a knife body, and a knife body driving cylinder. One end of the knife seat is fixedly connected to a side position of the first connecting plate away from the connecting arm. The knife seat is fixedly mounted with the knife body driving cylinder. The piston end of the knife body driving cylinder is fixedly connected with the knife body. The blade of the knife body is arranged in a gap groove between two adjacent holding plates on one side when the holding plates at the bottom are arranged horizontally. When the rotating motor is in the working state, the knife body and the outer peripheral surface of the regular N-gon bottom plate have a movable distance to ensure that there will be no misoperation.

[0009] The slide is supported on two parallel X-axis rails, and the slide is externally connected to an X-axis driving structure;

[0010] Three parallel guiding connecting long slots are arranged on the inner connecting plate of the guiding connecting frame, and the long slots are clamped on the guiding positioning studs at the corresponding positions. The connection between the guiding connecting frame and the suction frame also includes an externally protruding guide column and a second connecting long slot. The corresponding position of the suction frame is provided with the externally protruding guide column, and the externally protruding connecting block of the guiding connecting frame is provided with a corresponding second connecting long slot. The externally protruding guide column is embedded in the second connecting long slot, ensuring that the suction frame and the guiding connecting frame move in a straight line under the action of the linear compression spring without crushing the battery cells.

[0011] After adopting the structure of the present invention, the cell tape pasting device is arranged on one side of the cell positioning device. Since a slide seat with an X-axis movable guide and a first connecting plate movable in the Y-axis direction are provided, the entire cell tape pasting device can be accurately adjusted and positioned relative to the XY dimensions of the cell. The suction plate of each edge on the positive N-deformed bottom plate is driven by a rotating motor to suck the corresponding tape, and then the tape cutting knife is used to cut the tape of the adjacent edge, so that the horizontal edge at the bottom rotated into place is an independent tape. The bottom horizontal tape is pasted between the two cell sheets by driving the Z-axis vertical driving cylinder to complete the tape pasting of the cell sheets. Afterwards, the Z-axis vertical driving cylinder drives the second connecting plate to reset vertically, the rotating motor continues to rotate, the cell positioning device supplies the corresponding cell to be bonded, and the equipment works continuously. The tape will not be touched additionally during the whole process, so that the tape can be accurately pasted and connected to the two cell sheets, and it is ensured that the tape will not be contaminated. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the main view structure of the present invention;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of a regular pentagonal base plate and its attachments according to a specific embodiment of the present invention;

[0014] Figure 3 It is a schematic diagram of the connection structure between the suction and holding structure and the guide connection frame of the present invention;

[0015] Figure 4 for Figure 3 A side view structural schematic diagram of

[0016] Figure 5 for Figure 4 Schematic diagram of the AA cross-sectional structure;

[0017] The names corresponding to the serial numbers in the figure are as follows:

[0018] Mounting base 1, slide 2, tape attaching seat 3, column 4, first connecting plate 5, second connecting plate 6, driving guide structure 61, rotating motor 7, output shaft 71, regular N-gon bottom plate 8, suction structure 9, suction plate 91, suction cavity 92, suction frame 93, pipe joint 94, guide connecting frame 10, long slot hole 101, inner connecting plate 102, outer convex connecting block 103, linear compression spring 11, guide column 12, guide positioning stud 13, gap 14, gap groove 141, tape cutting knife 15, blade 151, knife seat 152, knife body 153, knife body driving cylinder 154, tape 16, Z-axis vertical driving cylinder 17, tape conveying device 18, connecting arm 181, transition roller 182, loading belt roller 183, guide structure 184, locking screw 19, X-axis track 20, X-axis driving structure 21, external protruding guide column 22, second connecting long slot hole 23, battery cell positioning device 24. DETAILED DESCRIPTION

[0019] A battery cell adhesive tape attachment device, see Figure 1-Figure 5 : It includes a mounting base 1, on which a slide 2 guided for X-axis movement is arranged, a tape attaching seat 3 is supported on the slide 2 through a column 4, a front end surface of the tape attaching seat 3 is provided with a first connecting plate 5 for Y-axis movement, a front end surface of the first connecting plate 5 is provided with a second connecting plate 6 for Z-axis vertical movement, a rotating motor 7 is arranged on the second connecting plate 6, an output shaft 71 of the rotating motor 7 is fixedly connected to the center of a regular N-gon bottom plate 8, wherein N is a natural number greater than or equal to 3, a suction structure 9 is arranged on the exposed surface of each side of the regular N-gon bottom plate 8, the suction structure 9 includes an exposed suction plate 91, a suction cavity 92, and a suction frame 93, an exposed pipe joint 94 is arranged on the outer side of the suction frame 93, and each suction structure 9 is also connected to a corresponding guide connecting frame 10, the guide connecting frame 10 is arranged away from or close to the center of the regular N-gon bottom plate 8, and the movement direction of the guide connecting frame 10 is vertical Arranged perpendicular to the corresponding suction plates 91, the guide connecting frame 10 is connected to the corresponding part of the suction frame 93 through the linear compression springs 11 and the guide columns 12 on both sides, and the guide connecting frame 10 is connected to the upper convex guide positioning studs 13 located on the corresponding sides of the regular N-gon bottom plate 8 through at least two parallel guide connecting long slots 101 on the inner side, and a gap 14 is left between adjacent suction plates 91. A tape cutting knife 15 is fixedly installed on one side of the first connecting plate 5, and the blade 151 of the tape cutting knife 15 is arranged toward the gap groove 141 between two adjacent suction plates. The blade 151 of the tape cutting knife 15 is used to cut the tape 16. A Z-axis vertical driving cylinder 17 is also arranged on the first connecting plate 5, and the piston end of the Z-axis vertical driving cylinder 17 is arranged toward the driving guide structure 61 of the second connecting plate 6. Under normal use, the Z-axis vertical driving cylinder 17 drives the second connecting plate 6 to move up and down in a Z-axis periodic manner;

[0020] The second connecting plate 6 is fixedly connected with a tape conveying device 18, and the tape conveying device 18 continuously supplies the tape 16 to the corresponding position of the suction plate 91 that has been pasted.

[0021] The adhesive tape conveying device 18 includes a connecting arm 181, a transition roller 182, a loading belt roller 183, and a guide structure 184. One end of the connecting arm 181 is fixedly connected to the second connecting plate 6, and the other end of the connecting arm 181 is provided with a loading belt roller 183. The rolled adhesive tape 16 is positioned and installed on the loading belt roller 183. A transition roller 182 is provided at a position close to the loading belt roller 183 in the length direction of the material belt arm 181. The transition roller 182 is used to expose the adhesive surface of the adhesive tape 16 to the outer surface. The guide structure 184 is arranged at the position of the transition roller 182 in the adhesive tape removal direction. The non-adhesive surface of the adhesive tape 16 is guided to the position of the corresponding suction plate 91 on the regular N-gon bottom plate 8 through the guide structure 184.

[0022] In a specific embodiment, the regular N-gon bottom plate 8 is specifically a regular five-gon deformed bottom plate, and the length of the suction plate 91 on the outside of each side corresponds to the side length of the tape required by the design;

[0023] The tape attachment seat 3 is provided with a locking screw 19 corresponding to the upper end of the first connecting plate 5, and the locking screw 19 is used to fix the Y-axial position of the first connecting plate 5 adjusted to the right position in the Y-axial direction;

[0024] The tape cutting knife 15 includes a knife seat 152, a knife body 153, and a knife body driving cylinder 154. One end of the knife seat 152 is fixedly connected to a side position of the first connecting plate 5 away from the connecting arm 181. The knife seat 152 is fixedly mounted with a knife body driving cylinder 154. The piston end of the knife body driving cylinder 154 is fixedly connected with the knife body 153. The blade 151 of the knife body 153 is arranged toward the gap groove 141 between two adjacent holding plates 91 on one side when the holding plate 91 at the bottom is arranged horizontally. When the rotating motor 7 is in the working state, the knife body 153 and the outer peripheral surface of the regular N-gon bottom plate 8 have a movable distance to ensure that there will be no misoperation.

[0025] The slide 2 is supported on two parallel X-axis rails 20, and the slide 2 is externally connected to an X-axis driving structure 21;

[0026] Three parallel guiding connecting long slots 101 are arranged on the inner connecting plate 102 of the guiding connecting frame 10, and the long slots 101 are snapped into the guiding positioning studs 13 at the corresponding positions. The connection between the guiding connecting frame 10 and the suction frame 93 also includes an outer protruding guide column 22 and a second connecting long slot 23. The suction frame 93 is provided with an outer protruding guide column 22 at the corresponding position, and the outer protruding connecting block 103 of the guiding connecting frame 10 is provided with a corresponding second connecting long slot 23. The outer protruding guide column 22 is embedded in the second connecting long slot 23, ensuring that the suction frame 93 and the guiding connecting frame 10 move in a straight line under the action of the linear compression spring 11 without crushing the battery cells.

[0027] Its working principle is as follows: the cell tape pasting device is arranged on one side of the cell positioning device 24. Since a slide seat with an X-axis movable guide and a first connecting plate that moves in the Y-axis direction are provided, the entire cell tape pasting device can be accurately adjusted and positioned relative to the XY dimensions of the cell. The suction plate of each edge on the positive N-deformed bottom plate is driven by a rotating motor to suck the corresponding tape, and then the tape cutting knife is used to cut the tape of the adjacent edge, so that the horizontal edge at the bottom that is rotated into place is an independent tape. The Z-axis vertical driving cylinder is driven to paste the bottom horizontal tape between the two cell sheets to complete the tape pasting of the cell sheets. After that, the Z-axis vertical driving cylinder drives the second connecting plate to reset vertically, and the rotating motor continues to rotate. The cell positioning device supplies the corresponding cell that needs to be bonded, and the equipment works continuously. The tape will not be touched additionally during the whole process, so that the tape can be accurately pasted and connected to the two cell sheets, and it is ensured that the tape will not be contaminated.

[0028] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0029] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A battery cell adhesive tape attachment device, characterized in that: It includes a mounting base, on which a slide seat guided for X-axis movement is arranged, the tape applying seat is supported on the slide seat through a column, the front end surface of the tape applying seat is provided with a first connecting plate for Y-axis movement, the front end surface of the first connecting plate is provided with a second connecting plate for Z-axis vertical movement, a rotating motor is arranged on the second connecting plate, the center of the regular pentagonal bottom plate is fixedly connected to the output shaft of the rotating motor, a suction structure is arranged on the exposed surface of each side of the regular pentagonal bottom plate, the suction structure includes an exposed suction plate, a suction cavity, and a suction frame, the outer side of the suction frame is provided with an exposed pipe joint, each of the suction structures is also connected to a corresponding guide connecting frame, and the guide connecting frame faces the regular pentagonal bottom plate. The guide connecting frame is arranged away from or close to the center of the plate, the movement direction of the guide connecting frame is perpendicular to the corresponding holding plate arrangement, the guide connecting frame is connected to the corresponding part of the holding frame through the linear compression springs and guide columns on both sides, the guide connecting frame is connected to the upper convex guide positioning stud located on the corresponding side of the regular pentagonal bottom plate through at least two parallel guide connecting long slots on the inner side, the connection between the guide connecting frame and the holding frame also includes an outer convex guide column and a second connecting long slot, the corresponding position of the holding frame is provided with an outer convex guide column, the outer convex connection block of the guide connecting frame is provided with a corresponding second connecting long slot, and the outer convex guide column is embedded in the second connecting long slot, ensuring that the holding frame and the guide connecting frame move in a straight line under the action of the linear compression spring without crushing the battery sheet; There is a gap between the adjacent suction plates, a tape cutting knife is fixedly installed on one side of the first connecting plate, the blade of the tape cutting knife is arranged toward the gap groove between two adjacent suction plates, and the blade of the tape cutting knife is used to cut the tape, and a Z-axis vertical driving cylinder is also arranged on the first connecting plate, and the piston end of the Z-axis vertical driving cylinder is arranged toward the driving guide structure of the second connecting plate. Under normal use, the Z-axis vertical driving cylinder drives the second connecting plate to move up and down in a Z-axis cycle; the second connecting plate is fixedly connected to a tape conveying device, and the tape conveying device continuously supplies the tape to the corresponding position of the suction plate that has been attached; The adhesive tape conveying device comprises a connecting arm, a transition roller, a loading tape roller, and a guide structure, wherein one end of the connecting arm is fixedly connected to the second connecting plate, and the other end of the connecting arm is provided with a loading tape roller, and the rolled adhesive tape is positioned and installed on the loading tape roller, and a transition roller is provided at a position close to the loading tape roller in the length direction of the connecting arm, and the transition roller is used to expose the adhesive surface of the adhesive tape to the outer surface, and the guide structure is arranged at the position of the adhesive tape removal direction of the transition roller, and the non-adhesive surface of the adhesive tape is guided to the position of the corresponding suction plate on the regular pentagonal bottom plate through the guide structure; The length of the suction plate outside each side of the regular pentagonal bottom plate is set to correspond to the side length of the adhesive tape required by the design.

2. The battery cell adhesive tape attaching device according to claim 1, characterized in that: The tape attaching seat is provided with a locking screw at the upper end corresponding to the first connecting plate, and the locking screw is used to fix the Y-axial position of the first connecting plate adjusted to the right position.

3. The battery cell adhesive tape attaching device according to claim 1, characterized in that: The tape cutting knife includes a knife seat, a knife body, and a knife body driving cylinder. One end of the knife seat is fixedly connected to a side position of the first connecting plate away from the connecting arm, the knife seat is fixedly equipped with the knife body driving cylinder, and the piston end of the knife body driving cylinder is fixedly connected to the knife body. The blade of the knife body is arranged in a gap groove between two adjacent holding plates on one side when the holding plate at the bottom is arranged horizontally. When the rotating motor is in working state, a movable distance is left between the knife body and the outer peripheral surface of the regular pentagonal bottom plate.

4. The battery cell adhesive tape attaching device according to claim 1, characterized in that: The slide is supported on two parallel X-axis rails, and the slide is externally connected to an X-axis driving structure.

5. The battery cell adhesive tape attaching device according to claim 1, characterized in that: The inner connecting plate of the guide connecting frame is provided with three parallel guide connecting long slot holes, and the long slot holes are clamped to the guide positioning studs at corresponding positions.

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