Gluing device

Abstract

The utility model relates to the technical field of battery production, and provides a rubberizing device which comprises two groups of rubberizing components and a moving part, wherein the two groups of rubberizing components are respectively used for rubberizing adhesive tapes on two sides of a tab; the adhesive tape pasting assembly comprises an unwinding mechanism used for providing an adhesive tape, an adhesive tape pulling mechanism used for pulling the adhesive tape in the direction away from the tab, a cutting mechanism used for cutting the adhesive tape, and an adhesive tape pasting mechanism capable of picking up the cut adhesive tape and pasting the adhesive tape to the tab; each adhesive tape sticking mechanism is arranged on the moving part and can move along with the moving part in the first direction so as to transfer the picked adhesive tape to the tab for sticking; in the first direction, the cutting positions of the cutting mechanisms are the same. According to the rubberizing device disclosed by the utility model, the debugging difficulty is reduced, and the debugging efficiency is favorably improved; meanwhile, the two rubberizing mechanisms are arranged on the same moving part, so that the moving stability and consistency between the two rubberizing mechanisms can be improved, the equipment structure can be simplified, and the production cost can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery production technical field, especially relate to a pasting device. BACKGROUND

[0002] The both sides of the tab on the battery cell need to be pasted with adhesive tape to fix and protect the tab. Specifically, the adhesive tape is pasted on the tab and the battery cell as shown in the figure, the length L2 of the two adhesive tapes pasted on the battery cell is equal, and the distance L1 of the end of the adhesive tape pasted on the tab from the farthest end of the tab is equal. The distance L3 and L4 of the tab from the edges of the battery cell usually need to be adjusted according to actual needs, so the lengths of the two adhesive tapes are not the same. Figure 1

[0003] The conventional pasting process of the battery cell production is as follows: the adhesive tape is pulled out from the adhesive tape roll, cut to the required length, then the cut adhesive tape is picked up by a picking device and moved to the tab along the direction of pulling out the adhesive tape for pasting, and the pasting operation on both sides of the tab is carried out simultaneously. Based on the above working process, because the lengths of the adhesive tapes on both sides of the tab are different, the distances moved when moving the two adhesive tapes are different, so two independent moving mechanisms need to be set up, which increases the debugging complexity of the pasting equipment and is not conducive to improving the debugging efficiency. SUMMARY

[0004] Therefore, the utility model aims at providing a pasting device to improve the debugging efficiency.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0006] A pasting device comprises two groups of pasting assemblies for pasting adhesive tapes on both sides of the tab respectively, and a moving part.

[0007] The pasting assembly comprises a unwinding mechanism for providing the adhesive tape, a pulling mechanism for pulling the adhesive tape away from the tab, a cutting mechanism for cutting the adhesive tape, and a pasting mechanism capable of picking up the cut adhesive tape and pasting the adhesive tape on the tab.

[0008] Each pasting mechanism is arranged on the moving part and can move along a first direction with the moving part to move the picked adhesive tape to the tab for pasting.

[0009] In the first direction, the cutting positions of each cutting mechanism are the same.

[0010] Further, the pasting mechanism comprises a mounting part capable of being driven to move on the moving part along a second direction, and a first picking part and a second picking part capable of moving with the mounting part.​

[0011] The first pickup part and the second pickup part jointly pick up the adhesive tape; through movement of the mounting part, the first pickup part can extrude and bond a part of the adhesive tape on the battery cell, and the second pickup part can extrude and bond another part of the adhesive tape on the tab.

[0012] Further, the first pickup part is arranged on the mounting part in sliding mode along the second direction, and a first elastic member is arranged between the first pickup part and the mounting part;

[0013] When the first pickup part extrudes and bonds the adhesive tape on the battery cell, the adhesive tape applying mechanism continues to approach the tab, and in the process that the second pickup part extrudes and bonds the adhesive tape on the tab, the first elastic member stores energy; the adhesive tape applying mechanism moves away from the tab, and in the process that the first pickup part is separated from the adhesive tape, the first elastic member releases energy.

[0014] Further, the first pickup part has a first guide rod, one end of the first guide rod is arranged in sliding mode along the second direction and is screwed with a first nut;

[0015] The first elastic member adopts a first spring arranged in a sleeving mode on the first guide rod and is arranged in compression between the mounting part and the first pickup part.

[0016] Further, the second pickup part can slide on the mounting part along the first direction, and a second elastic member is arranged between the second pickup part and the mounting part;

[0017] When the second pickup part moves away from the mounting part, the second elastic member stores energy; when the second pickup part approaches the mounting part, the second elastic member releases energy.

[0018] Further, the second pickup part has a second guide rod, one end of the second guide rod is arranged in sliding mode along the first direction and is screwed with a second nut;

[0019] The second elastic member adopts a second spring arranged in a sleeving mode on the second guide rod and is arranged in compression between the mounting part and the second pickup part.

[0020] Further, the first pickup part and / or the second pickup part adopts a negative pressure suction head to hold the adhesive tape.

[0021] Further, one end of the second pickup part, which is close to the first pickup part on one side of the adhesive tape, is rotationally connected with a bearing, and the bearing is used to roll and bond the adhesive tape on the tab.

[0022] Further, the cutting mechanism includes a pressing part and a cutting knife;

[0023] The pressing part can releasably hold the adhesive tape, and the cutting knife is arranged between the pressing part and the adhesive tape pulling mechanism and can cut the adhesive tape.

[0024] Further, the adhesive tape pulling mechanism comprises a telescopic part and a clamping part.

[0025] The telescopic part has a telescopic end capable of moving along the first direction, and the clamping part is arranged on the telescopic end and used for clamping the adhesive tape.

[0026] Further, the telescopic part adopts a pneumatic cylinder.

[0027] The cylinder body of the pneumatic cylinder is fixed on a fixed mounting base opposite to the unwinding mechanism, and the telescopic end is arranged on a piston rod of the pneumatic cylinder.

[0028] Compared with the prior art, the utility model has the following advantages:

[0029] The adhesive tape pulling mechanism of the two adhesive tape assembly groups is arranged on the moving part, so that the two adhesive tape assembly groups can move synchronously, and the two adhesive tapes can be moved to the corresponding positions of the battery cells at the same time. When debugging, only one moving part needs to be debugged to complete the adjustment of the transferring step, so that the debugging difficulty is reduced, and the debugging efficiency is improved. Meanwhile, the two adhesive tape pulling mechanisms are arranged on the same moving part, so that the moving stability and consistency between the two adhesive tape pulling mechanisms are improved, the equipment structure is simplified, and the production cost is reduced.

[0030] Secondly, the first pickup part and the second pickup part capable of following movement are arranged on the mounting part, so that the adhesive tape can be extruded and adhered to the battery cell and the tab when the mounting part moves, and the adhesive process is fast and efficient. The first pickup part is slidably arranged on the mounting part and is provided with the first elastic member, so that the second pickup part can extrude and adhere the adhesive tape to the tab, the first pickup part can keep applying pressure to the adhesive tape on the battery cell without overpressure damage to the adhesive tape or the battery cell. The first guide rod can guide the movement of the first pickup part, the first nut and the first spring cooperate with the first guide rod to facilitate the installation of the first pickup part and can adjust the initial pressure of the first spring on the adhesive tape on the battery cell.

[0031] Furthermore, sliding the second pickup unit along the first direction onto the mounting part increases its degree of freedom in that direction. When the second pickup unit is subjected to the pressure of the tab, it can adaptively adjust its position in the first direction, reducing stress concentration on the tab and preventing tearing, thus improving the adhesive bonding yield. The second guide rod guides the movement of the second pickup unit. The second nut and second spring, working in conjunction with the first guide rod, facilitate the installation of the second pickup unit and allow adjustment of the second spring's force, thereby altering the displacement of the second pickup unit when compressed by the tab, protecting the tab from tearing and further improving the adhesive bonding yield.

[0032] Furthermore, the first and / or second pickup units utilize negative pressure suction heads to hold the tape, allowing for flexible pickup and release operations without damaging the tabs. The tape adheres tightly, minimizing air bubbles and wrinkles after application. A bearing is incorporated into the second pickup unit, ensuring even better tape adhesion to the tabs during rolling, effectively reducing wrinkles and air bubbles after application. It also minimizes friction with the tape, reducing the risk of damage. A clamping unit and a cutting blade are included; the clamping unit, in conjunction with the tape-pulling mechanism, secures the tape for easy cutting.

[0033] Furthermore, the tape-pulling mechanism is designed as a combination of a telescopic section and a clamping section. The clamping section can hold the end of the tape, and the tape is pulled out by the movement of the telescopic section, resulting in a simple and reliable structure. The telescopic section uses a cylinder, and the stroke of the cylinder is the length of the tape pulled out, which is also the final cut length of the tape. After adjusting the position of the battery cell's tabs in the thickness direction of the battery cell, only the stroke of the corresponding cylinder needs to be adjusted, simplifying the equipment debugging process and improving debugging efficiency. Attached Figure Description

[0034] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0035] Figure 1 A schematic diagram of the structure after tape is applied to the electrode tabs;

[0036] Figure 2 This is a schematic diagram of the overall structure of the adhesive applicator cutting tape according to an embodiment of the present invention;

[0037] Figure 3 This is a schematic diagram of the overall structure of the adhesive applicator described in this embodiment of the invention during adhesive application;

[0038] Figure 4 for Figure 3 A magnified view of part A in the middle.

[0039] Reference signs:

[0040] 1, unwinding mechanism;

[0041] 2, pulling mechanism;

[0042] 201, telescopic part; 202, clamping part;

[0043] 3, cutting mechanism;

[0044] 301, pressing part; 302, cutting knife;

[0045] 4, rubberizing mechanism;

[0046] 401, mounting part; 402, first picking part; 403, second picking part; 4031, bearing; 404, first spring; 405, first guide rod; 406, first nut; 407, second spring; 408, second guide rod; 409, second nut; 410, first air cylinder; 411, limiting ring;

[0047] 5, moving part;

[0048] 6, guide rail;

[0049] 7, adhesive tape;

[0050] 8, battery cell;

[0051] 9, tab. DETAILED DESCRIPTION

[0052] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0053] In the following description, specific details are set forth in order to provide a thorough understanding of embodiments of the application. However, persons skilled in the art will understand that the application can be practiced without these specific details. In other instances, well-known structures have not been described in detail in order not to unnecessarily obscure aspects of the application.

[0054] In the description of the present application, it should be noted that if the terms indicating the orientation or position relationship such as "up", "down", "inner", "outer" appear, they are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application. In addition, if the terms "first", "second", etc. appear, they are also used for description purposes only and cannot be understood as indicating or implying relative importance.

[0055] Further, in the description of the present application, unless specifically defined otherwise, the terms "mounting", "connected", "connection", "connecting member" should be interpreted broadly. For example, it can be fixedly connected, or detachably connected, or integrally connected; it can be mechanically connected, or electrically connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood in combination with the specific circumstances.

[0056] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0057] The present application relates to a kind of pasting glue device, to facilitate improve debugging efficiency.

[0058] Overall structure, referring to Figures 2 to 4 It shows that a kind of pasting glue device in the present application, including two groups of pasting glue components for pasting adhesive tape 7 on the both sides of tab 9 respectively, and moving part 5.Pasting glue component includes unwinding mechanism 1 for providing adhesive tape 7, pull glue mechanism 2 for pulling adhesive tape 7 to the direction away from tab 9, cutting mechanism 3 for cutting adhesive tape 7, and pasting glue mechanism 4 capable of picking up the cut adhesive tape 7 and pasting adhesive tape 7 to tab 9.

[0059] Each pasting glue mechanism 4 is arranged on moving part 5, and can move along with moving part 5 in first direction, to move and deliver the picked adhesive tape 7 to tab 9 for pasting.In first direction, the cutting position of each cutting mechanism 3 is same.

[0060] As above, the pasting glue device of the present application, by arranging the pasting glue mechanism 4 of two groups of pasting glue components on moving part 5, can make two groups of pasting glue components move synchronously, move two adhesive tapes 7 to the position corresponding to battery cell 8 at the same time, only need to adjust one moving part 5 during debugging to complete the adjustment of moving and delivering step, reduce the difficulty of debugging, facilitate to improve debugging efficiency;At the same time, arranging two pasting glue mechanisms 4 on the same moving part 5 can also improve the moving stability and consistency between two pasting glue mechanisms 4, and also can simplify equipment structure, reduce production cost.

[0061] Based on the above overall introduction, still referring to Figures 2 to 4As shown, in particular, the two sets of adhesive application assemblies are symmetrically arranged, and a guide rail 6 is arranged on the outer side of each set of adhesive application assemblies. The moving part 5 is slidingly connected to the two guide rails 6 and can be driven to move along the guide rails 6. The specific driving mode may, for example, be a cylinder driving mode, an electric push rod driving mode, or the like. The adhesive tape 7 is usually arranged in a roll. The unwinding mechanism 1 of the present embodiment is used to mount the roll of adhesive tape 7 and lead out the free end of the adhesive tape 7. The adhesive tape 7 is extended in a first direction away from the direction of the tab 9 through a plurality of guide rollers, so that the position of the cutting mechanism 3 cutting the adhesive tape 7 is taken as a reference for the transfer of the adhesive tape 7.

[0062] The adhesive application mechanism 4 includes a mounting part 401 that can be driven to move on the moving part 5 in a second direction, and a first pickup part 402 and a second pickup part 403 that can move with the mounting part 401. The first pickup part 402 and the second pickup part 403 jointly pick up the adhesive tape 7. Through the movement of the mounting part 401, the first pickup part 402 can extrude and adhere a portion of the adhesive tape 7 to the battery cell 8, and the second pickup part 403 can extrude and adhere another portion of the adhesive tape 7 to the tab 9. The first pickup part 402 and the second pickup part 403 are arranged to follow the movement of the mounting part 401, so that when the mounting part 401 moves, the adhesive tape 7 can be extruded and adhered to the battery cell 8 and the tab 9, making the adhesive application process fast and efficient. The second direction of the present embodiment is arranged perpendicular to the first direction. The moving part 5 is provided with a first cylinder 410, and the piston rod of the first cylinder 410 is connected to the mounting part 401. The mounting part 401 moves in the second direction through the driving of the first cylinder 410.

[0063] Secondly, in order to improve the extrusion effect of the first pickup part 402 on the adhesive tape 7, the first pickup part 402 is slidingly arranged on the mounting part 401 in the second direction, and a first elastic member is arranged between the first pickup part 402 and the mounting part 401. When the first pickup part 402 extrudes and adheres the adhesive tape 7 to the battery cell 8, the adhesive application mechanism 4 continues to move closer to the tab 9 until the second pickup part 403 extrudes and adheres the adhesive tape 7 to the tab 9. During this process, the first elastic member stores energy. When the adhesive application mechanism 4 moves away from the tab 9 until the first pickup part 402 is separated from the adhesive tape 7, the first elastic member releases energy. By slidingly arranging the first pickup part 402 on the mounting part 401 and arranging the first elastic member, the first pickup part 402 can maintain pressure on the adhesive tape 7 on the battery cell 8 during the process of extruding and adhering the adhesive tape 7 to the tab 9 without overpressing and damaging the adhesive tape 7 or the battery cell 8.

[0064] Specifically, regarding the specific setting mode of the first pickup part 402, the first pickup part 402 of the embodiment has a first guide rod 405, one end of the first guide rod 405 slidingly penetrates the mounting part 401 along the second direction and is screwed with a first nut 406. The first elastic member adopts a first spring 404 sleeved on the first guide rod 405 and is compressed and arranged between the mounting part 401 and the first pickup part 402. The first guide rod 405 can guide the movement of the first pickup part 402. The first nut 406 and the first spring 404 cooperate with the first guide rod 405 to facilitate the installation of the first pickup part 402 and can adjust the initial pressure of the first spring 404 to press the adhesive tape 7 on the battery cell 8.

[0065] In addition, in order to protect the tab 9, the second pickup part 403 can slide on the mounting part 401 along the first direction, and a second elastic member is arranged between the second pickup part 403 and the mounting part 401. When the second pickup part 403 moves away from the mounting part 401, the second elastic member stores energy. When the second pickup part 403 moves close to the mounting part 401, the second elastic member releases energy. By sliding the second pickup part 403 on the mounting part 401 along the first direction, the second pickup part 403 can increase the degree of freedom in the first direction, and can adaptively adjust the position in the first direction when the second pickup part 403 is pressed by the tab 9, reducing the stress concentration of the tab 9 in the first direction, so that the tab 9 is not easy to tear under stress, and the yield rate of the adhesive tape is improved.

[0066] Specifically, regarding the specific setting mode of the second pickup part 403, the second pickup part 403 of the embodiment has a second guide rod 408, one end of the second guide rod 408 slidingly penetrates the mounting part 401 along the first direction and is screwed with a second nut 409. The second elastic member adopts a second spring 407 sleeved on the second guide rod 408 and is compressed and arranged between the mounting part 401 and the second pickup part 403.

[0067] As set forth above, the second guide rod 408 can guide the movement of the second pickup part 403 and improve the stability of the movement of the second pickup part 403. The second nut 409 and the second spring 407 cooperate with the first guide rod 405 to facilitate the installation of the second pickup part 403, and the compression amount of the second spring 407 can be changed by screwing the nut to adjust the elastic force of the second spring 407, and then the displacement of the second pickup part 403 when pressed by the tab 9 is changed, so that the tab 9 is not easy to be torn, and the yield rate of the adhesive tape is improved.

[0068] In the embodiment, the combination of the second guide rod 408, the second spring 407 and the second nut 409 is provided with two groups on the mounting portion 401, and the two second guide rods 408 are arranged in parallel with each other, which can improve the stability of the second pickup portion 403 when sliding relative to the mounting portion 401, and the jamming condition is less likely to occur. In order to facilitate the adjustment of the initial distance between the first pickup portion 402 and the second pickup portion 403, a limiting ring 411 can be arranged between the mounting portion 401 and the second pickup portion 403, the limiting ring 411 is sleeved on the second guide rod 408, and by using limiting rings 411 with different lengths, the distance between the first pickup portion 402 and the second pickup portion 403 can be changed.

[0069] Preferably, in order to improve the convenience of picking up the adhesive tape 7, the first pickup portion 402 and / or the second pickup portion 403 uses a negative pressure suction head to hold the adhesive tape 7. The first pickup portion 402 and / or the second pickup portion 403 uses a negative pressure suction head to hold the adhesive tape 7, and the suction and release operation is flexible and fast, which can improve the work efficiency. The negative pressure suction head does not contact the tab 9, and there is no risk of damaging the tab 9 due to contact. The negative pressure suction head holds the adhesive tape 7, and the negative pressure suction head is closely attached to the adhesive tape 7. The adhesive tape 7 after being pasted is not easy to have bubbles and wrinkles, which improves the pasting effect of the adhesive tape 7. In the embodiment, the first pickup portion 402 and the second pickup portion 403 adopt the form of negative pressure suction head to hold the adhesive tape 7. The negative pressure suction head has a negative pressure cavity, one side of the adhesive tape 7 held by the negative pressure suction head is provided with a plurality of suction holes communicating with the negative pressure cavity, and the negative pressure cavity communicates with a negative pressure device, so that the negative pressure suction head can adsorb the adhesive tape 7 through the suction holes.

[0070] Furthermore, based on the purpose of improving the pasting effect of the adhesive tape 7, the second pickup portion 403 of the embodiment is rotatably connected with a bearing 4031 on one side of the adhesive tape 7 close to one end of the first pickup portion 402, and the bearing 4031 is used for rolling and pressing the adhesive tape 7 on the tab 9. The central axis of the bearing 4031 is arranged in parallel with the tab 9 and perpendicular to the first direction. The bearing 4031 is arranged on the second pickup portion 403, so that when the second pickup portion 403 rolls and presses the adhesive tape 7, the edge portion of the second pickup portion 403 rolls and presses the adhesive tape 7 through the outer ring of the bearing 4031, which can make the adhesive tape 7 more closely attached to the tab 9, effectively reducing the problems of wrinkles and hollow bubbles of the adhesive tape 7 after being pasted. At the same time, the bearing 4031 can also reduce the friction between the second pickup portion 403 and the adhesive tape 7, and the adhesive tape 7 is not easy to be damaged.

[0071] For the specific structure of the cutting mechanism 3, the cutting mechanism 3 of the embodiment includes a pressing part 301 and a cutting knife 302. The pressing part 301 can releasably hold the adhesive tape 7, and the cutting knife 302 is arranged between the pressing part 301 and the tape pulling mechanism 2 and can move the adhesive tape 7. The pressing part 301 and the cutting knife 302 are arranged, and the pressing part 301 cooperates with the tape pulling mechanism 2 to fix the adhesive tape 7, so that the cutting knife 302 cuts the adhesive tape 7. Specifically, the positions of the cutting knives 302 in the first direction in the two groups of tape sticking assemblies are the same, and the cutting positions of the two adhesive tapes 7 are the same, serving as a reference for subsequent transfer of the adhesive tape 7. The moving mode of the cutting knife 302 may, for example, adopt a cylinder drive, and the piston rod of the cylinder pushes the cutting knife 302 to cut the adhesive tape 7. The adhesive tape 7 passes through the pressing part 301, which includes a frame and a movable pressing block. The adhesive tape 7 is pressed on the frame by the movement of the pressing block, and the adhesive tape 7 is fixed at two points to be cut by the cutting knife 302.

[0072] For the specific form of the tape pulling mechanism 2, the tape pulling mechanism 2 of the embodiment includes a telescopic part 201 and a clamping part 202. The telescopic part 201 has a telescopic end capable of moving in the first direction. The clamping part 202 is arranged on the telescopic end and is used to clamp the adhesive tape 7. The tape pulling mechanism 2 is arranged in the combination of the telescopic part 201 and the clamping part 202, the clamping part 202 can clamp the end of the adhesive tape 7, and the adhesive tape 7 is pulled out by the movement of the telescopic end, which is simple and reliable in structure. The clamping part 202 has two clamping jaws that can approach or move away from each other to clamp and release the adhesive tape 7.

[0073] Preferably, the telescopic part 201 adopts a cylinder. The cylinder body is fixed on a mounting base fixed at a position opposite to the unwinding mechanism 1, the telescopic end is arranged on the piston rod of the cylinder, and the clamping part 202 is connected to the piston rod. The telescopic part 201 adopts a cylinder, and the stroke of the cylinder is the length of the pulled-out adhesive tape 7, that is, the length of the finally cut adhesive tape 7. After the position adjustment of the tab 9 of the battery cell 8 in the thickness direction of the battery cell 8, only the stroke of the corresponding cylinder needs to be adjusted, which simplifies the operation method of equipment debugging and can improve the debugging efficiency.

[0074] In the specific implementation process, the working process of the adhesive attaching device is as follows: the adhesive pulling mechanism 2 pulls out the adhesive tape 7, the pressing part 301 presses the adhesive tape 7, the mounting part 401 moves to the first pickup part 402 and the second pickup part 403 to hold the adhesive tape 7, the cutting knife 302 cuts the adhesive tape 7, the first air cylinder 410 drives the adhesive attaching mechanism 4 to retract, then the moving part 5 moves to the battery cell 8, the first air cylinder 410 is elongated to make the adhesive attaching mechanism 4 close to the battery cell 8, in the process of closing, the first pickup part 402 first extrudes and adheres the adhesive tape 7 on the battery cell 8, then the second pickup part 403 continues to move with the mounting part 401, the bearing 4031 can roll and adhere the adhesive tape 7 along the tab 9, finally, the two second pickup parts 403 extrude the adhesive tape 7 on the tab 9 together, and the adhesive attaching work of the tab 9 is completed.

[0075] The adhesive attaching device of the embodiment can make the two adhesive attaching assemblies move synchronously, move the two adhesive tapes 7 to the positions corresponding to the battery cell 8 at the same time, and only need to adjust one moving part 5 to complete the adjustment of the conveying step during debugging, so that the adjustment difficulty is reduced and the debugging efficiency is improved. Meanwhile, the two adhesive attaching mechanisms 4 are arranged on the same moving part 5, so that the moving stability and consistency between the two adhesive attaching mechanisms 4 are improved, the equipment structure is simplified, and the production cost is reduced. Meanwhile, the movable arrangement of the second pickup part 403 and the arrangement of the bearing 4031 can effectively reduce the wrinkles and the hollow bubbles of the adhesive tape 7 after adhering.

[0076] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1.A tape sticking device, characterized in that: two sets of tape sticking assemblies for sticking adhesive tapes on both sides of a tab respectively, and a moving part are comprised; the tape sticking assembly comprises a unwinding mechanism for providing the adhesive tape, a pulling mechanism for pulling the adhesive tape away from the tab, a cutting mechanism for cutting the adhesive tape, and a sticking mechanism capable of picking up the cut adhesive tape and sticking the adhesive tape on the tab; each of the sticking mechanisms is arranged on the moving part and is capable of moving along a first direction with the moving part to move the picked adhesive tape to the tab for sticking; the cutting positions of each of the cutting mechanisms are the same in the first direction. 2.The tape sticking device according to claim 1, characterized in that: the sticking mechanism comprises a mounting part capable of being driven to move along a second direction on the moving part, and a first picking part and a second picking part capable of moving with the mounting part; the first picking part and the second picking part jointly pick up the adhesive tape; through the movement of the mounting part, the first picking part is capable of pressing and bonding one part of the adhesive tape on a battery cell, and the second picking part is capable of pressing and bonding another part of the adhesive tape on the tab. 3.The tape sticking device according to claim 2, characterized in that: the first picking part is slidingly arranged on the mounting part along the second direction, and a first elastic member is arranged between the first picking part and the mounting part; when the first picking part presses and bonds the adhesive tape on the battery cell, the sticking mechanism continues to move close to the tab, and in the process that the second picking part presses and bonds the adhesive tape on the tab, the first elastic member is energized; in the process that the sticking mechanism moves away from the tab until the first picking part is separated from the adhesive tape, the first elastic member is released. 4.The tape sticking device according to claim 3, characterized in that: the first picking part has a first guide rod, one end of the first guide rod slidingly penetrates through the mounting part along the second direction and is screwed with a first nut; the first elastic member adopts a first spring sleeved on the first guide rod and is compressed between the mounting part and the first picking part. 5.The tape sticking device according to claim 2, characterized in that: the second picking part is capable of sliding on the mounting part along the first direction, and a second elastic member is arranged between the second picking part and the mounting part; when the second picking part moves away from the mounting part, the second elastic member is energized; when the second picking part moves close to the mounting part, the second elastic member is released. 6.The tape sticking device according to claim 5, characterized in that: the second picking part has a second guide rod, one end of the second guide rod slidingly penetrates through the mounting part along the first direction and is screwed with a second nut; the second elastic member adopts a second spring sleeved on the second guide rod and is compressed between the mounting part and the second picking part. 7.The tape sticking device according to claim 2, characterized in that: the first picking part and / or the second picking part adopts a negative pressure suction head to hold the adhesive tape; and / or, ​ ​ ​ ​ ​ ​ ​ ​ The second picking part picks up one end of the adhesive tape close to the first picking part, and a bearing is rotatably connected to the end, which is used to roll and bond the adhesive tape on the tab. 8.The adhesive tape applying device according to claim 1, characterized in that: The cutting mechanism comprises a pressing part and a cutting knife; The pressing part can releasably hold the adhesive tape, and the cutting knife is arranged between the pressing part and the adhesive tape pulling mechanism and can move to cut the adhesive tape. 9.The adhesive tape applying device according to any one of claims 1 to 8, characterized in that: The adhesive tape pulling mechanism comprises a telescopic part and a clamping part; The telescopic part has a telescopic end capable of moving in the first direction, and the clamping part is arranged on the telescopic end and used to clamp the adhesive tape. 10.The adhesive tape applying device according to claim 9, characterized in that: The telescopic part is a pneumatic cylinder; A cylinder body of the pneumatic cylinder is fixed on a fixed mounting base opposite to the unwinding mechanism, and the telescopic end is arranged on a piston rod of the pneumatic cylinder.

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