CN214298569U

CN214298569U - Rubberizing device and electric core utmost point ear welding system

Info

Publication number: CN214298569U
Application number: CN202023033102.3U
Authority: CN
Inventors: 冉昌林; 蔡汉钢; 王高鹏; 李鹏; 付小冬
Original assignee: Wuhan Yifi Laser Corp Ltd
Current assignee: Wuhan Yifi Laser Corp Ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-28
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to the technical field of battery production, and discloses a rubberizing device and an electric core tab welding system, wherein the rubberizing device comprises a rubber belt feeding mechanism, a pressing mechanism, a belt traction mechanism, an adsorption mechanism and a cutting mechanism; the pressing mechanism is arranged between the adhesive tape feeding mechanism and the tape pulling mechanism and comprises a pressing plate and a top block which are oppositely arranged and adjustable in distance; the traction mechanism comprises a traction clamping jaw, and the position of the traction clamping jaw relative to the pressing mechanism is adjustable; the adsorption mechanism is connected with the adsorption displacement structure and is used for adsorbing and fixing the adhesive tape; the cutting mechanism is arranged between the tape-pulling clamping jaw and the pressing mechanism. The utility model provides a pair of rubberizing device and electric core utmost point ear welding system sets up hold-down mechanism and inject the sticky tape that needs length, carries out better fixed to the sticky tape, and realizes the absorption of sticky tape fixed through adsorption structure, and this rubberizing device can be better realizes the fixed of sticky tape, can realize automatic rubberizing operation, is favorable to improving production efficiency.

Description

Rubberizing device and electric core utmost point ear welding system

Technical Field

The utility model relates to a battery production technical field especially relates to a rubberizing device and electric core utmost point ear welding system.

Background

In today where energy competition is becoming more intense, it has become a common consensus to find products that replace petroleum energy. The rapid development of the battery industry is a trend, which has a wide application in industrial production, life and other aspects, and city electric buses are quietly started. The battery core is an important component unit of the battery, and in the manufacturing and assembling process of the battery, the tab of the battery core is mechanically connected with the cover plate in a welding mode so as to realize the function of current conduction. The welding process of the battery cover plate and the battery core lug is quite important. Whether the battery cover plate and the battery core tab are welded firmly and reliably can directly influence the service life of the battery.

In the prior art, after a battery core tab and a cover plate are welded, glue needs to be pasted at the tab position. Most of the existing adhesive tape sticking mechanisms have the problems of low automation level and low efficiency caused by the fact that an adhesive tape is not easy to control.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rubberizing device and electric core utmost point ear welding system for solve current rubberizing mechanism and mostly exist because the difficult automation level that leads to of control of sticky tape is lower, the lower problem of efficiency.

The utility model provides a rubberizing device, which comprises a rubber belt feeding mechanism, a pressing mechanism, a belt traction mechanism, an adsorption mechanism and a cutting mechanism; the pressing mechanism is arranged between the adhesive tape feeding mechanism and the tape drawing mechanism and comprises a pressing plate and a top block which are oppositely arranged and adjustable in distance, and the pressing mechanism is used for allowing an adhesive tape to pass through; the traction mechanism comprises a traction clamping jaw, and the position of the traction clamping jaw relative to the pressing mechanism is adjustable and is used for drawing the free end of the adhesive tape; the adsorption mechanism is connected with the adsorption displacement structure and is used for adsorbing and fixing the adhesive tape; the cutting mechanism is arranged between the tape pulling clamping jaw and the pressing mechanism.

According to the utility model provides a pair of rubberizing device, adsorption apparatus constructs including two sucking discs that the interval set up side by side, and interval between two sucking discs and the interval between two utmost point ears of electric core suit.

According to the utility model provides a pair of rubberizing device, adsorb the displacement structure and include the first displacement subassembly that extends to electric core utmost point ear corresponding department from leading and taking clamping jaw corresponding department, first displacement subassembly is equipped with spacing subassembly respectively in leading and taking clamping jaw corresponding department and electric core utmost point ear corresponding department.

According to the utility model provides a pair of rubberizing device, it connects in tractive displacement structure to lead the area clamping jaw, it follows to lead the area displacement structure lead the area mechanism with hold-down mechanism place direction sets up.

According to the utility model provides a pair of rubberizing device, the kicking block is connected in the displacement structure that compresses tightly that sets up along vertical direction.

According to the utility model provides a pair of rubberizing device, sticky tape feed mechanism includes fixing bearing, fixing bearing is used for supplying the sticky tape roll sleeve to establish fixedly, fixing bearing with be equipped with a plurality of tensioning piece between the hold-down mechanism, tensioning piece is used for supporting the tensioning sticky tape.

According to the utility model provides a pair of rubberizing device, sticky tape feed mechanism is fixed in and supports backplate, a plurality of including at least one activity tensioning piece in the tensioning piece, the sticky tape passes from the top of activity tensioning piece, passes from the bottom of other tensioning pieces, it is equipped with the spout along vertical direction on the backplate to support, activity tensioning piece with spout sliding connection, just activity tensioning piece passes the spout is connected in the one end of rope, it is fixed with the fixed pulley at the one side top that sets up the rope to support the backplate, the other end of rope passes the balancing weight is connected to the fixed pulley.

According to the utility model provides a pair of rubberizing device, it is in to support the backplate the side of fixing bearing's side and at least one tensioning piece is equipped with laser sensor.

According to the utility model provides a pair of rubberizing device, cutting mechanism includes cutting blade, cutting blade links to each other with cutting displacement structure, cutting displacement structure sets up along the width direction of sticky tape.

The utility model also provides an electricity core utmost point ear welding system, including above-mentioned rubberizing device.

The utility model provides a pair of rubberizing device and electric core utmost point ear welding system sets up hold-down mechanism between tape-pulling mechanism and sticky tape feed mechanism, can inject the sticky tape that needs length between tape-pulling mechanism and hold-down mechanism, carries out better fixed to the sticky tape, and through adsorption structure, can realize that the absorption of sticky tape is fixed and shift the rubberizing, and this rubberizing device can be better realize the fixed of sticky tape, can realize automatic rubberizing operation, is favorable to improving production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an overall schematic view of a rubberizing apparatus provided by the present invention;

fig. 2 is a schematic front view of the tape dispenser of the present invention;

fig. 3 is a schematic view of the arrangement of the cutting mechanism provided by the present invention;

fig. 4 is a schematic side view of the rubberizing device provided by the present invention.

Reference numerals:

1. an adhesive tape roll; 2. an adhesive tape; 3. a limiting component; 101. a support backing plate; 102. a movable tensioning member; 103. a fixed pulley; 104. a chute; 105. fixing the bearing; 106. a balancing weight; 107. a laser sensor; 201. pressing a plate; 202. a top block; 301. a leasing jaw; 302. a traction belt displacement structure; 401. a suction cup; 402. a first displacement assembly; 403. a support frame; 404. a second displacement assembly; 405. a connecting plate; 501. cutting the displacement structure; 502. a blade.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The rubberizing device and the cell tab welding system of the present invention are described below with reference to fig. 1 to 4.

Referring to fig. 1, the embodiment provides a tape sticking device, which includes a tape feeding mechanism, a pressing mechanism, a tape pulling mechanism, an adsorbing mechanism, and a cutting mechanism. The pressing mechanism is arranged between the adhesive tape feeding mechanism and the tape pulling mechanism and comprises a pressing plate 201 and a top block 202 which are oppositely arranged and adjustable in distance, and the pressing mechanism is used for allowing an adhesive tape to pass through. The traction mechanism comprises a traction clamping jaw 301, and the position of the traction clamping jaw 301 relative to the pressing mechanism is adjustable and is used for drawing the free end of the adhesive tape. The adhesive tape feeding mechanism is used for fixing the adhesive tape roll 1. The free end of the adhesive tape 2 at the adhesive tape feeding mechanism firstly passes through the space between the pressing plate 201 and the top block 202, then the free end of the adhesive tape 2 is clamped by the traction clamping jaw 301, and the length of the adhesive tape between the traction clamping jaw 301 and the pressing mechanism is adjusted through the movement of the traction clamping jaw 301. The pressing mechanism is used for loosening the pressing plate 201 and the top block 202 when the tape pulling clamping jaw 301 pulls the adhesive tape 2 to move so as to facilitate smooth movement of the adhesive tape 2; and is used to compress the pressure plate 201 and the top block 202 to compress the securing tape as the pulling jaw 301 is pulled into position. The tape-pulling clamping jaw 301 is pulled to the position, namely the tape-pulling clamping jaw 301 moves away from the pressing mechanism until the length of the adhesive tape between the tape-pulling clamping jaw 301 and the pressing mechanism reaches the preset length.

The adsorption mechanism is connected with the adsorption displacement structure and used for adsorbing and fixing the adhesive tape. The adsorption displacement structure is used for driving the adsorption structure to move. The adsorption mechanism can be fixed above the space between the traction mechanism and the pressing mechanism through an adsorption displacement structure. And the traction mechanism and the pressing mechanism and the battery cell clamp are both positioned in the displacement range of the adsorption displacement structure. The battery cell clamp is used for fixedly placing a battery cell to be glued. The cutting mechanism is disposed between the leash gripper 301 and the hold-down mechanism. The adsorption mechanism is used for adsorbing and fixing the adhesive tape between the traction mechanism and the pressing mechanism after the traction mechanism pulls the adhesive tape 2 in place. The cutting mechanism is used for cutting the adhesive tape 2 after the adhesive tape between the traction mechanism and the pressing mechanism is adsorbed and fixed by the adsorption mechanism so as to break the adhesive tape 2. The adsorption mechanism is also used for moving the cut adhesive tape to the cell clamp under the drive of the adsorption displacement structure after the cutting mechanism cuts off the adhesive tape 2, and loosening the adhesive tape after pressing the adhesive tape to the lug part of the cell. And finishing the rubberizing.

The embodiment provides a pair of rubberizing device sets up hold-down mechanism between tape-pulling mechanism and sticky tape feed mechanism, can inject the sticky tape that needs length between tape-pulling mechanism and hold-down mechanism, carries out better fixed to the sticky tape, and through adsorption structure, can realize that the absorption of sticky tape is fixed and shift the rubberizing, and this rubberizing device can be better realize the fixed of sticky tape, can realize automatic rubberizing operation, is favorable to improving production efficiency.

On the basis of the above embodiment, further, the adsorption mechanism includes two suckers 401 arranged side by side at intervals, and the distance between the two suckers 401 is adapted to the distance between the two tabs of the battery core. I.e. the spacing between the two suction cups 401 may be the same as the spacing between the two tabs. Therefore, the two suckers 401 can press the adhesive tape on the lug position, and the firmness of gluing the lug position is favorably realized.

The two suckers 401 are connected with the adsorption displacement structure in an adjustable mode. When the types of the battery cells fixedly placed by the battery cell clamp are different, the distance between the two suckers 401 can be flexibly adjusted to adapt to the lug distances of the battery cells of different types.

On the basis of the above embodiment, further, the adsorption displacement structure includes a first displacement assembly 402 extending from a position corresponding to the tape-pulling clamping jaw 301 to a position corresponding to the battery core tab, and the first displacement assembly 402 is provided with a limiting assembly 3 at the position corresponding to the tape-pulling clamping jaw 301 and the position corresponding to the battery core tab respectively. Namely, the adsorption mechanism can be initially and correspondingly positioned above the tape pulling clamping jaw 301, and after the tape pulling clamping jaw 301 pulls the adhesive tape in place, the adsorption mechanism descends to adsorb and fix the adhesive tape; after the adhesive tape is cut off, the adsorption mechanism can move to the position above the lug of the battery cell along the first displacement assembly 402, namely the position above the battery cell clamp corresponding to the position needing adhesive tape pasting; and then the adsorption mechanism can be descended to attach the adhesive tape to the lug position of the battery core. Spacing subassembly 3 is used for carrying out spacing fixed along the stroke that first displacement subassembly 402 removed to adsorption apparatus structure, ensures that adsorption apparatus structure can accurately stop and lead the clamping jaw 301 to correspond the department and electric core utmost point ear position to correspond the department for first displacement subassembly 402 is more accurate to adsorption apparatus structure's location, more is favorable to realizing automatic rubberizing.

Further, the limiting component 3 may be a fixed limiting form such as a stopper, or an elastic limiting form such as a buffer, and is not limited specifically. Further, the first displacement assembly 402 may be fixed above the leash mechanism and the hold-down mechanism by a support bracket 403. The first displacement assembly 402 may include two parallel guide rails, and the suction mechanism may be slidably connected to the guide rails through the connection plate 405. And the connection plate 405 is connected with a driving member at least one guide rail for driving the connection plate 405 and the adsorption mechanism to move along the guide rail. The driving member may be a sliding table structure or a driving cylinder, etc., and is not limited to provide linear movement.

Further, referring to fig. 2, the adsorption displacement structure further includes a second displacement assembly 404; the direction of movement of the second displacement assembly 404 is perpendicular to the direction of movement of the first displacement assembly 402. The first displacement assembly 402 can be connected to the suction mechanism by two connecting plates 405 disposed at an opposite interval, and the two connecting plates 405 are fixedly connected to each other. The upper connecting plate 405 is slidably connected to the first displacement assembly 402. The second displacement assembly 404 includes a guide rail disposed on the lower connecting plate 405 and a driving member, and the suction mechanism is connected to the guide rail in a sliding manner and is also connected to the driving member. The guide of the second displacement assembly 404 is oriented perpendicular to the guide of the first displacement assembly 402.

Further, the suction mechanism is connected to the second displacement assembly 404 through a vertical displacement assembly. Specifically, the vertical displacement assembly is coupled to the second displacement assembly 404 and the suction mechanism is coupled to the vertical displacement assembly. Thereby realizing displacement movement of the adsorption mechanism in three spatial directions. The vertical displacement assembly can also comprise a guide rail and a driving piece, and the guide rail can be arranged along the vertical direction; the adsorption mechanism is connected with the guide rail in a sliding manner and is connected with the driving piece. The driving member may be a cylinder or the like. Further, the two suction cups 401 of the suction mechanism may be connected to the same driving member, or may be connected to two driving members, which is not limited.

On the basis of the above embodiment, further, referring to fig. 1 and 2, the tow jaw 301 is connected to the tow displacement structure 302, and the tow displacement structure 302 is arranged along the direction of the tow mechanism and the hold-down mechanism. That is, the tow displacement structure 302 moves the tow jaws 301 toward or away from the hold-down mechanism. The direction of the traction mechanism and the pressing mechanism is the straight line direction of the traction mechanism and the pressing mechanism. The tape pulling clamping jaw 301 can move along the tape pulling displacement structure 302 towards the pressing mechanism to clamp the free end of the adhesive tape; and then moved away from the hold-down mechanism to pull the length of the tape. The pressing mechanism is used for loosening when the tape drawing clamping jaws 301 clamp the adhesive tape to draw and move; after the pulling jaw 301 is pulled into position, the pulling jaw 301 is compressed before the free end of the adhesive tape is gripped again.

Further, the tape displacement structure 302 may be a sliding platform structure or an air cylinder, etc. for providing a linear movement, which is not limited in particular. And the traction belt displacement structure 302 is respectively provided with a limiting component 3 at the corresponding position of the pressing mechanism and the corresponding position of the traction in place, and the limiting components are used for limiting and fixing the moving stroke of the traction clamping jaw.

Referring to fig. 3, the tape-pulling clamping jaw 301 includes a tape-pulling cylinder and two upper and lower jaw bodies connected to the tape-pulling cylinder, wherein a roller is disposed on the lower jaw body. The traction cylinder can be a clamping jaw cylinder and can drive the two jaw bodies to move towards or away from each other so as to realize clamping or loosening. The roller is provided on the surface of the lower claw body facing the upper claw body, and the axial direction of the roller may be set in the width direction of the adhesive tape 2. The roller is rotatably connected to the lower claw body. The roller can correspondingly reduce the friction force between the roller and the adhesive tape, and the roller can be arranged to facilitate the adhesive tape to be separated from the tape-pulling clamping jaw 301 after the adhesive tape is cut off.

Further, the upper surface of the top block 202 is provided with ribs. The top block 202 is located below the platen 201. The rib is arranged on the upper surface of the top block 202, and is in contact with the adhesive tape, so that the contact area with the adhesive tape can be correspondingly reduced, the friction force between the adhesive tape and the rib is reduced, and the adhesive tape is convenient to separate.

On the basis of the above embodiment, further, the top block 202 is connected to a compression displacement structure disposed in the vertical direction. The top block 202 can be driven to move up and down through the pressing displacement structure so as to be close to the top plate or far away from the top plate, and the pressing or loosening of the adhesive tape is realized. The compression displacement structure can be a cylinder or the like.

On the basis of the above embodiment, further, referring to fig. 1 and fig. 2, the tape feeding mechanism includes a fixed bearing 105, and the fixed bearing 105 is used for fixing the tape roll 1. The adhesive tape roll 1 is sleeved on the fixed bearing 105 and can rotate freely. Thereby the free end of the adhesive tape can be pulled to realize the feeding of the adhesive tape. A plurality of tensioning members are arranged between the fixed bearing 105 and the pressing mechanism, and the tensioning members are used for supporting and tensioning the adhesive tape.

On the basis of the above embodiment, further, referring to fig. 1 and 2, the tape feeding mechanism is fixed to the supporting back plate 101. The plurality of tension members includes at least one movable tension member 102, and the adhesive tape passes through the top of the movable tension member 102 and through the bottom of the other tension members. A sliding groove 104 is arranged on the supporting back plate 101 along the vertical direction, the movable tensioning member 102 is connected with the sliding groove 104 in a sliding manner, and the movable tensioning member 102 penetrates through the sliding groove 104 and is connected to one end of the rope. Referring to fig. 4, a fixed pulley 103 is fixed on the top of one side of the supporting back plate 101 where the rope is arranged, and the other end of the rope passes through the fixed pulley 103 and is connected with a counterweight 106.

The tensioning member can be a rotating shaft structure, namely, when the adhesive tape is pulled to move, the tensioning member can rotate so as to reduce friction and facilitate smooth pulling and moving of the adhesive tape. The weight 106 pulls the movable tensioning member 102 upward to tension the adhesive tape via the cord. By adjusting the weight of the weight 106, the degree of tension of the tape can be adjusted.

On the basis of the above embodiment, further, referring to fig. 2, the supporting back plate 101 is provided with laser sensors 107 at the side of the fixed bearing 105 and at the side of the at least one tension member. The laser sensor 107 may be a distance sensor. The laser sensor 107 located at the side of the fixed bearing 105 can monitor the distance from the tape roll 1 in real time, thereby detecting the remaining amount of the tape roll 1.

The laser sensor 107 can be arranged on the side of the movable tension member 102, and the laser sensor 107 can also be arranged on the side of other tension members. The laser sensor 107 located at the side of the movable tension member 102 can monitor the position of the movable tension member 102 in the chute 104 to monitor and determine the tension of the adhesive tape. Initially, a more suitable preset position of the movable tensioning member 102 can be determined, when the laser sensor 107 monitors that the actual position of the movable tensioning member 102 is higher than the preset position, it indicates that the counterweight 106 is heavy, so that the tensioning degree of the adhesive tape is larger, and at this time, the counterweight 106 can be adjusted to lower the position of the movable tensioning member 102, so that the adhesive tape is in a more suitable tensioning degree; when the laser sensor 107 monitors that the actual position of the movable tensioning member 102 is higher than the preset position, the situation that the adhesive tape is used up may also be the case, that is, the movable tensioning member 102 has no adhesive tape, so that the movable tensioning member 102 is not constrained by the adhesive tape and can move upwards, and at this time, the replacement of the adhesive tape roll 1 can be reminded.

When the laser sensor 107 monitors that the actual position of the movable tensioning member 102 is lower than the preset position, it indicates that the tensioning degree of the adhesive tape does not reach the preset degree, and at this time, the position of the movable tensioning member 102 lifted by the adjustable balancing weight 106 makes the adhesive tape in a more suitable tensioning degree. When the laser sensor 107 detects that the actual position of the movable tension member 102 deviates from the preset position, an alarm prompt may be given.

Further, the laser sensor 107 at the other tensioning member, i.e. the non-movable tensioning member 102, can also be a distance sensor, which can be used to monitor the distance between the other tensioning member and the adhesive tape, so as to determine and monitor the tensioning condition of the adhesive tape. Through setting up laser sensor 107, can judge the monitoring to the tensioning condition of sticky tape, be favorable to guaranteeing the steady smooth feed of sticky tape 2, improve production efficiency.

Further, a laser sensor is provided near the tension member of the pressing mechanism. The laser sensor may be an infrared sensor disposed towards the tape location. Can be used for monitoring whether the output end of the adhesive tape feeding mechanism has the adhesive tape. Ensuring smooth conveying of the adhesive tape.

On the basis of the above embodiment, further, referring to fig. 3, the cutting mechanism includes a cutting blade 502, the cutting blade 502 is connected to a cutting displacement structure 501, and the cutting displacement structure 501 is disposed along the width direction of the adhesive tape. The cutting displacement structure 501 drives the cutting blade 502 to move along the width direction of the adhesive tape 2 to cut the adhesive tape. The cutting displacement structure 501 may be a cylinder or the like.

The cutting mechanism is arranged close to the pressing mechanism.

On the basis of the foregoing embodiments, further, the present embodiment provides a cell tab welding system, which includes the adhesive tape sticking device according to any one of the foregoing embodiments. This electric core utmost point ear welding system still includes conveying mechanism, is equipped with electric core utmost point ear welding station and rubberizing station along conveying mechanism in proper order, and the rubberizing device is established in rubberizing station department. And the conveying mechanism is provided with a battery cell clamp for fixing the battery cell and the cover plate. And the battery cell lug welding station is used for welding the battery cell lug and the cover plate. The rubberizing device is used for rubberizing at electric core utmost point ear position after electric core utmost point ear welding.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A rubberizing device is characterized by comprising a rubber belt feeding mechanism, a pressing mechanism, a belt pulling mechanism, an adsorption mechanism and a cutting mechanism; the pressing mechanism is arranged between the adhesive tape feeding mechanism and the tape drawing mechanism and comprises a pressing plate and a top block which are oppositely arranged and adjustable in distance, and the pressing mechanism is used for allowing an adhesive tape to pass through; the traction mechanism comprises a traction clamping jaw, and the position of the traction clamping jaw relative to the pressing mechanism is adjustable and is used for drawing the free end of the adhesive tape; the adsorption mechanism is connected with the adsorption displacement structure and is used for adsorbing and fixing the adhesive tape; the cutting mechanism is arranged between the tape pulling clamping jaw and the pressing mechanism.

2. The rubberizing device according to claim 1, wherein the suction mechanism comprises two suckers arranged side by side at intervals, and a distance between the two suckers is adapted to a distance between two tabs of the battery cell.

3. The rubberizing device according to claim 1, wherein the adsorption displacement structure comprises a first displacement assembly extending from a position corresponding to the drawing clamping jaw to a position corresponding to the cell tab, and the first displacement assembly is provided with a limiting assembly at the position corresponding to the drawing clamping jaw and the position corresponding to the cell tab respectively.

4. The rubberizing device according to any one of claims 1 to 3, wherein said tape holding jaws are connected to tape displacement structures arranged along a direction in which said tape holding means and said pressing means are located.

5. The rubberizing device according to any one of claims 1 to 3, wherein said top block is connected to a compression displacement structure arranged in a vertical direction.

6. The tape dispenser according to any one of claims 1 to 3, wherein the tape feeding mechanism comprises a fixed bearing for fixing the tape roll, and a plurality of tensioning members are disposed between the fixed bearing and the pressing mechanism for supporting and tensioning the tape.

7. The rubberizing device according to claim 6, wherein the tape feeding mechanism is fixed to the supporting back plate, the plurality of the tensioning members include at least one movable tensioning member, the tape passes through the top of the movable tensioning member and the bottom of the other tensioning members, a sliding groove is formed in the supporting back plate along a vertical direction, the movable tensioning member is slidably connected to the sliding groove, the movable tensioning member passes through the sliding groove and is connected to one end of the rope, the supporting back plate is fixed with a fixed pulley at the top of a side where the rope is arranged, and the other end of the rope passes through the fixed pulley and is connected to the counter weight.

8. The rubberizing device according to claim 7, wherein said supporting back plate is provided with laser sensors at the side of said fixed bearing and at the side of at least one tensioning member.

9. The taping device according to any one of claims 1 to 3, wherein the cutting mechanism comprises a cutting blade connected to a cutting displacement structure provided along a width direction of the tape.

10. A cell tab welding system, characterized by comprising the rubberizing device according to any one of claims 1 to 9.