Glue sticking mechanism and glue sticking method

Abstract

The present invention relates to a gluing mechanism and a gluing method, wherein the gluing mechanism is used to apply adhesive tape to the terminal end of a battery cell, and includes a gluing assembly, the gluing assembly includes a gluing roller, the gluing roller can abut against the terminal end of the battery cell and press the end of the tape onto the terminal end of the battery cell, and the gluing roller can move along the surface of the battery cell. The gluing mechanism provided by the present application, the gluing roller on the gluing assembly can approach and abut the terminal end of the battery cell, and at the same time press the end of the tape onto the terminal end of the battery cell, and then when the battery cell rotates, the gluing roller can move along the surface of the battery cell, so as to press the tape to wrap around the battery cell and stick the terminal end of the battery cell. The gluing mechanism provided by the present application directly applies glue by applying pressure to the terminal end of the battery cell with a gluing roller, which can meet the gluing requirements of the terminal ends of various models of battery cells. At the same time, the end of the tape can be rolled onto the battery cell to prevent the head of the battery cell from tilting, and the gluing process is simpler and faster.

Description

Technical Field

[0001] The present invention relates to the technical field of battery production equipment, and in particular to a gluing mechanism and a gluing method. Background Art

[0002] After the battery cell is wound, it is necessary to apply tape to the terminal end of the battery cell to prevent the battery cell from loosening. Most existing gluing devices are suitable for applying tape to small batteries, but for large batteries, the tape required is very long, which exceeds the supply range of existing gluing devices. At the same time, the existing gluing device needs to transfer the tape to the gluing roller first, and then the gluing roller swings to abut against the battery cell to attach the tape to the terminal end of the battery cell. The gluing process is complicated, occupies a large space, has high costs, and has low gluing efficiency. Summary of the invention

[0003] Based on this, a gluing mechanism and a gluing method are provided to address the problem that existing equipment cannot meet the requirements of gluing the terminal ends of large-scale battery cells, and the existing gluing process requires the tape to be transferred to a gluing roller in advance, which makes the gluing process complicated.

[0004] A glue sticking mechanism is used for sticking adhesive tape to the terminal end of a battery cell, comprising a glue sticking assembly, wherein the glue sticking assembly comprises a glue sticking roller, the glue sticking roller can abut against the terminal end of the battery cell and press the end of the adhesive tape onto the terminal end of the battery cell, and the glue sticking roller can move along the surface of the battery cell.

[0005] Furthermore, the glue application assembly further includes a glue application roller bracket, the glue application roller is arranged on the glue application roller bracket, and the glue application roller bracket drives the glue application roller to move along the surface of the battery cell.

[0006] Furthermore, the glue sticking assembly also includes a glue sticking fixing seat, the glue sticking fixing seat is connected to the glue sticking roller bracket, and the glue sticking roller bracket rotates around the glue sticking fixing seat and drives the glue sticking roller to move.

[0007] Furthermore, the glue-applying fixing seat and the glue-applying roller bracket are connected via an elastic body.

[0008] Furthermore, a limiting surface is arranged on the glue-applying fixing seat, and the glue-applying roller bracket can abut against the limiting surface when rotating.

[0009] Furthermore, the limiting surface includes a first limiting surface and a second limiting surface, and the rubber-applying roller bracket includes a plurality of limiting blocks, and when the rubber-applying roller bracket rotates, the plurality of limiting blocks respectively abut against the first limiting surface and the second limiting surface.

[0010] Furthermore, it also includes a glue pressing component, which is used to clamp the end of the tape.

[0011] Furthermore, the adhesive pressing assembly comprises a pressing block and a supporting rod, and the pressing block moves close to the supporting rod and clamps the end of the adhesive tape.

[0012] Furthermore, one side of the pressing block abutting against the supporting rod is serrated.

[0013] Furthermore, it also includes a translation component, which connects the glue-applying component and the glue-pressing component, and drives the glue-applying component and the glue-pressing component to move closer to or away from the battery cell.

[0014] The gluing mechanism provided by the present application has a gluing roller on the gluing assembly that can approach and abut the terminal end of the battery cell, and at the same time press the end of the tape against the terminal end of the battery cell. Then, when the battery cell rotates, the gluing roller can move along the surface of the battery cell, so that the pressed tape is wrapped around the battery cell and sticks the terminal end of the battery cell. The gluing mechanism provided by the present application directly glues by applying pressure to the terminal end of the battery cell with a gluing roller, which can meet the gluing requirements of the terminal ends of various types of battery cells. At the same time, the end of the tape can be rolled on the battery cell to prevent the head of the battery cell from tilting, and the gluing process is simpler and faster.

[0015] Furthermore, a method for applying adhesive tape to the terminal end of a battery cell is provided. The method for applying adhesive tape to the terminal end of a battery cell is based on the above-mentioned adhesive application mechanism and comprises the following steps:

[0016] Driving the glue pressing assembly to clamp the end of the adhesive tape, the glue pressing assembly includes a pressing block and a support rod;

[0017] The translation component drives the glue pressing component and the glue sticking component to move toward the terminal end of the battery cell;

[0018] Driving the glue roller on the glue sticking assembly 1 to abut against the terminal end of the battery cell and pressing the end of the adhesive tape against the terminal end of the battery cell;

[0019] driving the pressing block away from the support rod and releasing the end of the tape;

[0020] The battery core is rotated to drive the end of the adhesive tape to rotate, and the adhesive roller rolls the adhesive tape onto the battery core.

[0021] The glue sticking method provided in the present application can realize not only the glue sticking of small battery cells, but also the glue sticking of large battery cells, and has strong compatibility and a wide range of applications; the end of the tape can be rolled onto the battery cell, and the glue sticking is relatively secure; in addition, the tape can be directly attached to the battery cell, and the tape can be cut to an appropriate length according to the set length, which occupies little space, has a simple glue sticking process, is low in cost, and has a high glue sticking efficiency.

[0022] The various specific structures of the present application and their functions and effects will be further described in detail below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A top view of a glue sticking mechanism according to an embodiment of the present application;

[0024] Figure 2 A bottom view of a glue sticking mechanism according to an embodiment of the present application;

[0025] Figure 3 This is a front view of a glue sticking mechanism according to an embodiment of the present application;

[0026] Figure 4 It is a partial enlarged view of 1-1 in the glue sticking mechanism of one embodiment of the present application;

[0027] Figure 5 This is a flow chart of a glue laminating method according to an embodiment of the present application. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be further described clearly and completely below in conjunction with the accompanying drawings. However, it should be noted that the following embodiments are only some preferred embodiments in the present application and do not involve all embodiments covered by the technical solutions of the present application.

[0029] It should be noted that, in the description of this application, when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0031] Figure 1 The figure shows a top view of a glue sticking mechanism according to an embodiment of the present application. Figure 2 The figure shows a bottom view of a glue sticking mechanism according to an embodiment of the present application. Figure 3 The front view of the adhesive bonding mechanism of one embodiment of the present application is shown. Figures 1 to 3As shown, the glue mechanism includes a glue sticking assembly 1, a translation assembly 2 and a glue pressing assembly 3. The translation assembly 2 is connected to the glue sticking assembly 1 and the glue pressing assembly 3, and is used to drive the glue sticking assembly 1 and the glue pressing assembly 3 to approach or move away from the battery cell on the winding needle mechanism 5. Among them, the glue sticking assembly 1 includes a glue sticking roller 11, a first cylinder 12, a first cylinder fixing seat 13, a first slide plate 14, a first slider 15, a first slide rail 16, a glue sticking fixing seat 17, a spring bracket 18 and a glue sticking roller bracket 19. A glue sticking fixing seat 17 is provided on the side of the first slide plate 14 close to the winding needle mechanism 5. The glue sticking fixing seat 17 is connected to the glue sticking roller bracket 19 through an elastic body, and the elastic body includes a spring 181. Specifically, the spring bracket 18 is provided on both sides of the first slide plate 14, and the glue sticking roller bracket 19 and the spring bracket 18 are connected through a spring 181. The translation assembly 2 includes a second cylinder 21, a slide seat 22, a second driving block 23, a second slider 24 and a second slide rail 25. The glue pressing assembly 3 includes a pressing block 31 , a support rod 32 , a third cylinder 33 , a third cylinder fixing seat 34 , a guide rod 35 , a third driving block 36 and a support rod mounting seat 37 .

[0032] The second cylinder 21 and the second slide rail 25 of the translation assembly 2 are arranged on the mounting plate 4, the output end of the second cylinder 21 is connected to the second driving block 23, the second driving block 23 is connected to the slide 22, the slide 22 can move along the first direction AA under the drive of the second cylinder 21, and at the same time, the slide 22 is connected to the second slide rail 25 through the second slider 24, so as to ensure the stability of the slide 22 moving along the first direction AA, so that the slide 22 can approach or move away from the battery cell of the needle winding mechanism 5. The first direction described in this embodiment refers to the direction in which the gluing mechanism approaches the battery cell, that is, the first direction AA in the figure, and when the gluing mechanism moves in the opposite direction of the first direction AA, the gluing mechanism moves away from the battery cell. In the absence of special instructions, the movement along the first direction AA described below refers to the movement in the direction of approaching the battery cell, but it should be noted that the present application is not limited to movement in one direction AA, and designers can select a suitable moving direction of the gluing mechanism according to specific design requirements and space layout needs.

[0033] In order to reasonably utilize the space for structural layout, the technical solution provided by the present application is that the glue pressing component 3 is located downstream of the glue sticking component 1 along the conveying direction of the tape. Figure 3The glue pressing assembly 3 is connected to the slide 22 of the translation assembly 2, and the movement of the slide 22 drives the glue pressing assembly 3 to move along the first direction AA. The third cylinder 33 of the glue pressing assembly 3 is connected to the third cylinder fixing seat 34, and the third cylinder fixing seat 34 is connected to one side of the slide 22. The output end of the third cylinder 33 is connected to the third driving block 36, and the third driving block 36 is connected to one end of the guide rod 35. The guide rod 35 passes through the slide 22 and can move along the slide 22. The third cylinder 33, the third cylinder fixing seat 34 and the third driving block 36 are all arranged on one side of the slide 22 ( Figure 3 The left side of the slide 22 ( Figure 3 A pressing block 31 and a support rod 32 are provided (on the right side in the figure), and the pressing block 31 is connected to the other end of the guide rod 35. Therefore, when the third cylinder 33 drives the third driving block 36 to reciprocate along the first direction AA, it can drive the guide rod 35, and then drive the pressing block 31 to move along the first direction AA. The support rod 32 is connected to the slide 22 through the support rod mounting seat 37. Therefore, when the pressing block 31 moves along the first direction AA, it can approach or move away from the support rod 32. The support rod 32 is arranged perpendicular to the mounting plate 4, and in the embodiment provided by the present application, the tape is also perpendicular to the mounting plate 4. The pressing block 31 and the support rod 32 are arranged opposite to each other, and the end of the tape extends between the two. Therefore, when the pressing block 31 approaches or moves away from the support rod 32, the end of the tape can be clamped or released.

[0034] Furthermore, in the embodiment provided by the present application, the pressing block 31 is in the shape of a flat plate, and the side where the pressing block 31 abuts against the support rod 32 is in the shape of a sawtooth. The pressing block 31 with this structure can not only abut against the support rod 32 to clamp the end of the tape, but can also cooperate with other mechanisms, such as the conveying mechanism at the end of the tape. The output end of the conveying mechanism is designed as a sawtooth structure that cooperates with the pressing block 31. The engagement between the sawtooths makes the pressing block 31 and the output end of the conveying mechanism more tightly combined, so as to accurately receive the end of the tape and transfer the end of the tape to the gluing mechanism provided in the embodiment of the present application. Since the specific structure of the conveying mechanism does not involve the protection scope of the present application, it will not be elaborated on in detail. Designers in this field can design a pressing block 31 with a suitable structure according to actual needs.

[0035] The glue assembly 1 is also connected to the slide 22 of the translation assembly 2. Specifically, a first slide rail 16 is arranged above the slide 22, a first slider 15 is arranged on the first slide rail 16 and can move along the first slide rail 16, a first slide plate 14 is arranged on the first slider 15, a first cylinder 12 of the glue assembly 1 is connected to a first cylinder fixing seat 13, the first cylinder fixing seat 13 is connected to the slide 22, a driving end of the first cylinder 12 is connected to the first slide plate 14, so when the first cylinder 12 moves, it can drive the first slide plate 14 to move along the first direction AA. The first slide plate 14 is connected to the glue fixing seat 17, one end of the glue roller bracket 19 is rotatably connected to the glue fixing seat 17, the other end of the glue roller bracket 19 is connected to the glue roller 11, and the glue roller 11 can rotate around the glue roller bracket 19, and the rotation center NN of the glue roller 11 is perpendicular to the mounting plate 4.

[0036] It should be noted that the function of the translation component 2 is to drive the gluing component 1 and the pressing component 3 to move closer to or away from the battery cell. Therefore, as long as the above requirements can be met, the driving direction of the translation component 2 may be different from the driving direction of the gluing component 1 and the pressing component 3. The designer can reasonably design the specific driving direction based on the gluing mechanism and the layout of the battery cell.

[0037] The first cylinder 12 can move the glue roller 11 to a position close to or away from the battery cell through the first slide plate 14. When the battery cell is in contact with the glue roller 11, the glue roller 11 is tangential to the battery cell. When the battery cell rotates, the glue roller 11 is subjected to a tangential force due to the friction between the two. At the same time, since the glue roller bracket 19 is rotatably connected to the glue fixing seat 17, the glue roller 11 can drive the glue roller bracket 19 to swing while rotating. In addition, the first slide plate 14 is perpendicular to the mounting plate 4 and spring brackets 18 are respectively provided at both ends. The two ends of the glue roller bracket 19 are connected to the spring bracket 18 through springs 181. In the absence of external force, the glue roller bracket 19 can be restored to the position as shown in the figure. Figure 3 Position shown.

[0038] Figure 4The figure shows a partial enlarged view of 1-1 in a gluing mechanism of an embodiment of the present application, wherein the gluing fixing seat 17 is connected to the gluing roller bracket 19, and the gluing roller bracket 19 can rotate around the rotation axis 191. Further, in order to limit the rotation angle of the gluing roller bracket 19 and prevent the gluing roller 11 from failing due to excessive rotation angle, a limiting surface is provided on one end surface of the gluing fixing seat 17, and the limiting surface includes a first limiting surface 171 and a second limiting surface 172, and the first limiting surface 171 and the second limiting surface 172 can be two connected surfaces or two unconnected surfaces, and the first limiting surface 171 and the second limiting surface 172 are respectively perpendicular to the mounting plate 4, and the second limiting surface 172 is perpendicular to the first direction AA, and the first limiting surface 171 is inclined to the side away from the gluing roller bracket 19. One side of the gluing roller bracket 19 includes a plurality of limiting blocks, and preferably, the limiting blocks include two limiting blocks, which are arranged on the end surface of the gluing roller bracket 19 opposite to the limiting surface and arranged in the up-down direction. When the rubber roller bracket 19 rotates around the rubber fixing seat 17, the two limit blocks can respectively abut against the first limit surface 171 and the second limit surface 172, thereby limiting the rotation angle of the rubber roller bracket 19. Specifically, when the rubber roller bracket 19 rotates toward the first limit surface 171, the first limit block 192 can preferentially touch and abut against the first limit surface 171, thereby limiting the further rotation of the rubber roller bracket 19; conversely, when the rubber roller bracket 19 rotates toward the second limit surface 172, the second limit block 193 can preferentially touch and abut against the second limit surface 172, thereby limiting the further rotation of the rubber roller bracket 19.

[0039] The end of the tape is clamped by the glue pressing assembly 3 and extends to a certain length, so that the glue roller 11 can touch the end of the tape. The translation assembly 2 drives the glue pressing assembly 1 and the glue pressing assembly 3 to move close to the battery cell. The first cylinder 12 drives the glue roller 11 to move closer to the battery cell. At this time, the glue roller 11 can press the end of the tape to the terminal end of the battery cell. When pressing the end of the tape, the glue roller 11 rotates around the rotation axis 191 ( Figure 1 The adhesive roller 11 is rotated counterclockwise in the middle of the battery cell to roll along the surface of the battery cell to press the end of the adhesive tape against the battery cell. After pressing the end of the adhesive tape, the adhesive pressing assembly 3 is released, and the end of the adhesive tape drives the adhesive tape to automatically wrap around the battery cell as the battery cell rotates. At the same time, since the adhesive roller 11 remains in contact with the battery cell, the adhesive tape can be pressed by the adhesive roller 11 when winding, thereby pressing the end of the battery cell tightly.

[0040] The gluing mechanism provided by the present application has a gluing roller on the gluing assembly that can approach and abut the terminal end of the battery cell, and at the same time press the end of the tape against the terminal end of the battery cell. Then, when the battery cell rotates, the gluing roller can move along the surface of the battery cell, so that the pressed tape is wrapped around the battery cell and sticks the terminal end of the battery cell. The gluing mechanism provided by the present application directly glues by applying pressure to the terminal end of the battery cell with a gluing roller, which can meet the gluing requirements of the terminal ends of various types of battery cells. At the same time, the end of the tape can be rolled on the battery cell to prevent the head of the battery cell from tilting, and the gluing process is simpler and faster.

[0041] Figure 5 The flowchart of the adhesive laminating method according to one embodiment of the present application is shown, and includes the following steps:

[0042] S111: driving the glue pressing assembly to clamp the end of the adhesive tape, wherein the glue pressing assembly includes a pressing block and a support rod;

[0043] S112: The translation component drives the glue pressing component and the glue sticking component to move toward the terminal end of the battery cell;

[0044] S113: driving the adhesive roller on the adhesive assembly to abut against the terminal end of the battery cell and press the end of the adhesive tape against the terminal end of the battery cell;

[0045] S114: driving the pressing block away from the supporting rod and releasing the end of the adhesive tape;

[0046] S115: rotating the battery cell and driving the end of the adhesive tape to rotate, and the adhesive roller rolls the adhesive tape onto the battery cell.

[0047] The glue sticking method for battery cell terminals provided in the present application first drives the pressing block 31 on the glue pressing assembly 3 to move toward the support rod 32, thereby pressing the end of the tape onto the support rod 32; the translation assembly 2 drives the glue pressing assembly 3 and the glue sticking assembly 1 to move toward the battery cell; the glue sticking assembly 1 is further driven to approach the battery cell, so that the glue sticking roller 11 presses the end of the tape onto the terminal end of the battery cell. When pressing the end of the tape, since the glue sticking roller bracket 19 can rotate relative to the glue sticking fixed seat 17 and stretch the spring 181, the glue sticking roller 11 rolls along the surface of the battery cell for a distance, thereby rolling the end of the tape onto the battery cell. At this time, the glue pressing assembly 3 drives the pressing block 31 away from the support rod 32 to loosen the end of the tape, and the winding needle mechanism 9 drives the battery cell to rotate to cooperate with the glue sticking roller 11 to roll the tape onto the outer surface of the battery cell. Finally, the translation assembly 2 drives the glue pressing assembly 3 and the glue sticking assembly 1 away from the battery cell.

[0048] It should be noted that the glue sticking mechanism and glue sticking method provided in the present application can cooperate with the glue cutting mechanism to complete the glue sticking, that is, when the end of the tape is pressed against the terminal end of the battery cell, the tape is cut by the glue cutting mechanism, and then the battery cell is driven to rotate by the needle rolling mechanism 9, and the tape is rolled onto the outer surface of the battery cell in cooperation with the glue sticking roller 11. However, since the glue cutting mechanism does not involve the technical solution provided in the present application, it will not be elaborated on here.

[0049] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0050] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A gluing mechanism for gluing tape to the terminal end of a battery cell, characterized in that: The adhesive tape assembly includes an adhesive tape roller, the adhesive tape roller can abut against the terminal end of the battery cell and press the end of the adhesive tape against the terminal end of the battery cell, and the adhesive tape roller can move along the surface of the battery cell; The glue application assembly also includes a glue application roller bracket and a glue application fixing seat, the glue application roller is arranged on the glue application roller bracket, the glue application fixing seat is connected to the glue application roller bracket, the glue application roller bracket rotates around the glue application fixing seat and drives the glue application roller to move along the surface of the battery cell, rolling the end of the tape onto the battery cell.

2. The glue sticking mechanism according to claim 1, characterized in that: The glue sticking fixing seat and the glue sticking roller bracket are connected via an elastic body.

3. The glue sticking mechanism according to claim 1, characterized in that: A limiting surface is arranged on the glue fixing seat, and the glue roller bracket can abut against the limiting surface when rotating.

4. The glue sticking mechanism according to claim 3, characterized in that: The limiting surface includes a first limiting surface and a second limiting surface, and the rubber-applying roller bracket includes a plurality of limiting blocks. When the rubber-applying roller bracket rotates, the plurality of limiting blocks respectively abut against the first limiting surface and the second limiting surface.

5. The glue sticking mechanism according to claim 1, characterized in that: It also includes a glue pressing component, which is used to clamp the end of the adhesive tape.

6. The glue sticking mechanism according to claim 5, characterized in that: The adhesive pressing assembly comprises a pressing block and a supporting rod, wherein the pressing block moves close to the supporting rod and clamps the end of the adhesive tape.

7. The adhesive laminating mechanism according to claim 6, characterized in that: The side of the pressing block abutting against the supporting rod is serrated.

8. The glue sticking mechanism according to claim 5, characterized in that: It also includes a translation component, which connects the glue-applying component and the glue-pressing component, and drives the glue-applying component and the glue-pressing component to move closer to or away from the battery core.

9. The glue sticking mechanism according to claim 8, characterized in that: The translation assembly comprises a sliding seat, and the glue application assembly and the glue pressing assembly are connected to the sliding seat of the translation assembly.

10. A method for applying adhesive tape to the terminal end of a battery cell, the method for applying adhesive tape is based on the adhesive application mechanism according to any one of claims 1 to 9, characterized in that: The following steps are involved: Driving the glue pressing assembly to clamp the end of the adhesive tape, the glue pressing assembly includes a pressing block and a support rod; The translation component drives the glue pressing component and the glue sticking component to move toward the terminal end of the battery cell; Driving the glue roller on the glue sticking assembly to abut against the terminal end of the battery cell and pressing the end of the adhesive tape against the terminal end of the battery cell; driving the pressing block away from the support rod and releasing the end of the tape; The battery core is rotated to drive the end of the adhesive tape to rotate, and the adhesive roller rolls the adhesive tape onto the battery core.

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