CN223408208U - Blue film pasting equipment and battery manufacturing equipment - Google Patents

Abstract

The application relates to a blue film pasting device and battery manufacturing equipment, and belongs to the technical field of battery manufacturing. The blue film pasting device comprises a clamping jaw mechanism, a film pasting mechanism and a film pasting mechanism, wherein the clamping jaw mechanism is used for overturning a battery cell from a first posture to a second posture, the film pasting mechanism is used for pasting a blue film on the surface of the battery cell, when the battery cell is in the first posture, the film pasting mechanism is configured to paste the blue film on the first surface of the battery cell, and when the battery cell is in the second posture, the film pasting mechanism is configured to paste the blue film on the second surface of the battery cell. The device for pasting the blue film can realize automation to realize pasting of the blue film on the surface of the battery cell, not only improves the film pasting efficiency, but also has higher film pasting quality. The application also provides battery manufacturing equipment comprising the blue film pasting device.

Description

Blue film sticking device and battery manufacturing equipment

Technical Field

The application relates to the technical field of battery manufacturing, in particular to a blue film pasting device and battery manufacturing equipment.

Background

With the rapid development of new energy fields, lithium batteries are widely applied to various industries, and higher requirements are put on the manufacturing process level and safety performance of the lithium batteries. The battery cell needs to pass through a plurality of flowing processes in the production process, and the surface of the battery cell is easy to scratch, damage, fold and other defects, so that the appearance of a product is affected, and certain potential safety hazards exist. Therefore, a layer of blue film is generally applied on the surface of the battery cell, so that the stability and the safety of the battery cell in the production process are improved.

However, the automation level of the existing blue film pasting process is poor, the film pasting efficiency is low, and the film pasting quality is poor.

Disclosure of utility model

Therefore, the application provides the blue film pasting device and the battery manufacturing equipment, which can realize the automatic realization of the blue film pasting on the surface of the battery core, not only improve the film pasting efficiency, but also have higher film pasting quality.

The blue film pasting device comprises a clamping jaw mechanism, a film pasting mechanism and a film pasting mechanism, wherein the clamping jaw mechanism is used for overturning a battery cell from a first posture to a second posture, the film pasting mechanism is used for pasting a blue film on the surface of the battery cell, when the battery cell is in the first posture, the film pasting mechanism is configured to paste the blue film on the first surface of the battery cell, and when the battery cell is in the second posture, the film pasting mechanism is configured to paste the blue film on the second surface of the battery cell.

According to the blue film pasting device disclosed by the embodiment of the application, the blue film is pasted on the surface of the battery core, the film pasting mechanism pastes the film on the first surface, and after the clamping jaw mechanism overturns the battery core, the film pasting mechanism pastes the film on the second surface, so that the blue film pasting operation on the surface of the battery core is realized fully automatically, and the film pasting efficiency and the film pasting quality are higher.

Optionally, the blue film pasting device comprises a film pasting station and a transfer station, the film pasting mechanism is used for pasting a blue film on the surface of the battery core at the film pasting station, the clamping jaw mechanism is used for overturning the battery core at the transfer station, and the blue film pasting device further comprises a battery core transfer mechanism used for carrying the battery core to move between the film pasting station and the transfer station.

Optionally, the clamping jaw mechanism comprises a clamping jaw assembly, a clamping mechanism and a clamping mechanism, wherein the clamping jaw assembly is used for clamping the battery cell and overturning the battery cell;

The first driving assembly is used for driving the clamping jaw assembly to move along a first direction so as to enable the clamping jaw assembly to move to the transfer station with the battery and to leave the transfer station with the battery.

Optionally, the battery cell transfer mechanism comprises a battery cell positioning platform and a second driving assembly, wherein the battery cell positioning platform is used for fixing a battery cell, and the second driving assembly is used for driving the battery cell positioning platform to move along a second direction.

Optionally, the blue film pasting device further comprises a visual identification mechanism which is arranged at the film pasting station and used for detecting the position of the battery cell, wherein the battery cell positioning platform comprises an adsorption plate which is used for bearing the battery cell and vacuum adsorbing the battery cell, and a light-emitting element which is arranged at the lower side of the adsorption plate and used for carrying out visual detection light supplementing for the visual identification mechanism.

Optionally, the film pasting mechanism comprises a film pasting module, a transverse moving driving assembly and a lifting driving assembly, wherein the transverse moving driving assembly is used for driving the film pasting module to move along a first sub-direction of a first direction so as to paste a blue film on the surface of the battery core, and the lifting driving assembly is used for driving the film pasting module to move along a vertical direction.

Optionally, the film pasting mechanism comprises a connecting bracket, a base plate, a film pasting module and a lifting driving assembly, wherein the connecting bracket is arranged at the execution end of the lifting driving assembly;

and the swinging driving piece is arranged on the connecting bracket and used for driving the substrate to rotate relative to the connecting bracket.

Optionally, the film sticking module comprises an unreeling mechanism, a first film sticking roller and a guide piece, wherein the unreeling mechanism is arranged on the substrate and used for unreeling the blue film, the first film sticking roller and the guide piece are arranged on the substrate in sequence along the first sub-direction and used for guiding the blue film to be stuck on the surface of the battery cell, and the first film sticking roller is configured to roll the blue film on the surface of the battery cell after the guide piece.

Optionally, the film sticking module further comprises a movable roller assembly, wherein the movable roller assembly comprises a roller body driving piece and a second film sticking roller, the roller body driving piece is arranged on the substrate and used for driving the second film sticking roller to extend or retract, the second film sticking roller is used for extending to press the blue film roller on the surface of the battery cell, and the second film sticking roller is arranged on one side, far away from the guide piece, of the first film sticking roller.

Optionally, the film sticking module further comprises a cutting assembly, wherein the cutting assembly is arranged on the substrate and used for cutting the blue film, the cutting assembly is arranged on one side, close to the first film sticking roller, of the second film sticking roller, and after the cutting assembly cuts the blue film, the blue film is pressed on the surface of the battery core by the second film sticking roller.

Optionally, the film pasting mechanism further comprises a frame, a pair of pressing assemblies and a pressing assembly, wherein the pressing assemblies are arranged on the frame, the pressing assemblies are oppositely arranged along the first direction and used for pressing the edges of the battery cells, and the pressing assemblies are configured to avoid the second film pasting roller so as to allow the second film pasting roller to press the blue film to the edges of the battery cells.

The battery manufacturing equipment of the second aspect of the embodiment of the application comprises a lamination device, the blue film pasting device and the hot pressing device, wherein the lamination device is used for laminating the positive electrode plate, the diaphragm and the negative electrode plate to form the battery cell, the blue film pasting device is used for pasting the blue film on the surface of the battery cell, and the hot pressing device is used for carrying out hot pressing treatment on the battery cell.

Due to the characteristics of the blue film pasting device of the first aspect of the embodiment of the application, the battery manufacturing equipment of the second aspect of the embodiment of the application reduces the risks of scratch and damage of the battery core in the production process of the battery core, thereby improving the qualification rate of the battery core.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first view angle of a blue film pasting device according to an embodiment of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a partial enlarged view at B in FIG. 1;

fig. 4 is a schematic structural diagram of a battery core transfer mechanism of the blue film pasting device according to the embodiment of the application;

Fig. 5 is a schematic structural diagram of a second view angle of the blue film pasting device according to the embodiment of the application;

fig. 6 is a schematic structural diagram of a film sticking mechanism of a blue film sticking device according to an embodiment of the present application;

FIG. 7 is an enlarged view of a portion of FIG. 6 at C;

FIG. 8 is a partial enlarged view at D in FIG. 6;

Fig. 9 is a schematic diagram of positions of a film laminating station and a transfer station of the blue film laminating device according to the embodiment of the application;

Fig. 10 is a schematic structural diagram of a battery cell corresponding to the blue film pasting device provided by the embodiment of the application;

fig. 11 is a schematic diagram of a battery manufacturing apparatus according to an embodiment of the present application.

Icon 100-blue film sticking device; 110-a jaw mechanism; 111-first driving component, 112-clamping jaw component, 1121-lateral clamping jaw, 1122-forward clamping jaw, 120-battery core transfer mechanism, 121-second driving component, 122-battery core positioning platform, 1221-adsorption plate, 1222-light-emitting element, 1223-backlight plate, 1224-adsorption hole, 1225-avoidance groove, 1226-moving plate, 130-film pasting mechanism, 131-rack, 132-traversing driving component, 133-lifting driving component, 134-connecting bracket, 135-substrate, 136-film pasting module, 1361-unreeling mechanism, 1362-first film pasting roller, 1363-guiding component, 1364-cutting component, 1365-movable roller component, 1366-cutter, 1367-cutting driving component, 1368-second film pasting roller, 1369-roller driving component, 137-swing driving component, 138-compressing component, 1-compressing driving component, 1382-compressing component, 1391-rotating shaft, 1392-blowing component, 1393-scanning component, 140-visual identification mechanism, 140-first film pasting component, 1363-guiding component, 1364-cutting component, 1364-second film pasting component, 1364-cutting component, 1369-second film pasting component, 1366-cutting device, 1367-second film pasting component, 1368-second film pasting component, 1369-second film pasting component, and first material, and the first material and second material pasting device.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

As shown in fig. 1 and 10, the blue film pasting device 100 according to some embodiments of the present application includes a clamping jaw mechanism 110 and a film pasting mechanism 130, wherein the clamping jaw mechanism 110 is used for overturning the battery cell 300 from the first posture to the second posture, and the film pasting mechanism 130 is used for pasting the blue film 400 on the surface of the battery cell 300. The film attachment mechanism 130 is configured to attach the blue film 400 to the first surface 310 of the cell 300 when the cell 300 is in the first posture, and the film attachment mechanism 130 is configured to attach the blue film 400 to the second surface 320 of the cell 300 when the cell 300 is in the second posture.

The first surface 310 faces the actuation end of the film laminating mechanism 130 when the battery 300 is in the first posture, and the second surface 320 faces the actuation end of the film laminating mechanism 130 when the battery 300 is in the second posture.

As shown in fig. 10, in some embodiments of the present application, the first surface 310 and the second surface 320 are two surfaces of the cell 300 in the thickness direction, the clamping jaw mechanism 110 turns the cell 300 180 ° to turn the first posture of the cell 300 to the second posture, and in other embodiments, the first surface 310 and the second surface 320 may be two adjacent surfaces of the cell 300, respectively, and the clamping jaw mechanism 110 turns the cell 300 by a corresponding angle to turn the first posture of the cell 300 to the second posture.

The execution end of the film pasting mechanism 130 refers to a portion of the film pasting mechanism 130 for pasting the blue film 400 on the surface of the battery cell 300, namely a film pasting module 136 described below.

By using the blue film pasting device 100 of the embodiment of the application to paste the blue film 400 on the surface of the battery cell 300, the film pasting mechanism 130 pastes the film on the first surface 310, and after the clamping jaw mechanism 110 turns over the battery cell 300, the film pasting mechanism 130 pastes the film on the second surface 320, thereby realizing full automation to realize the blue film pasting operation on the surface of the battery cell, and having higher film pasting efficiency and film pasting quality.

The following describes in detail the specific configuration of the blue film sticking apparatus 100 according to the embodiment of the present application.

As shown in fig. 1 and 9, in some embodiments of the present application, the blue film pasting device 100 includes a film pasting station 151 and a transfer station 152, the film pasting mechanism 130 is used for pasting the blue film 400 on the surface of the battery cell 300 at the film pasting station 151, and the clamping jaw mechanism 110 is used for turning over the battery cell 300 at the transfer station 152. The bluing device 100 further includes a die transfer mechanism 120 for moving the die 300 between the film laminating station 151 and the transfer station 152.

Through this arrangement, the battery cell 300 moves between the film laminating station 151 and the transfer station 152, and the battery cell 300 performs a turnover operation at the transfer station 152 and performs a blue film laminating process at the film laminating station 151, so that a sufficient installation space is provided for the film laminating mechanism 130 at the film laminating station 151.

In other embodiments, the transfer station 152 may not be provided, and the clamping jaw mechanism 110 and the film pasting mechanism 130 are both disposed at the film pasting station 151, so that the clamping jaw mechanism 110 directly turns over the battery cell 300 at the film pasting station 151.

As shown in fig. 1, in some embodiments of the present application, the clamping jaw mechanism 110 includes a first driving component 111 and a clamping jaw component 112, the first driving component 111 is used for driving the clamping jaw component 112 to move along a first direction X so as to enable the clamping jaw component 112 to move to the transfer station 152 with the battery cell 300 and to carry the battery cell 300 away from the transfer station 152, and the clamping jaw component 112 is used for clamping the battery cell 300 and overturning the battery cell 300.

The first driving component 111 is a common linear driving module, and will not be further described herein.

The jaw assembly 112 may be configured in a variety of ways to flip the battery cell 300 without interfering with the position of the battery cell transfer mechanism 120. As one example, the jaw assembly 112 moves in the first direction X to be offset from the cell transfer mechanism 120 to have sufficient space to flip the cells 300, and as another example, the jaw assembly 112 moves in the vertical direction Z to be offset from the cell transfer mechanism 120 to have sufficient space to flip the cells 300.

As shown in fig. 9, the bluing film device 100 further includes a loading and unloading station 153, the transferring station 152 and the loading and unloading station 153 are disposed at intervals along the first direction X, and the first driving assembly 111 drives the clamping jaw assembly 112 to circulate between the transferring station 152 and the loading and unloading station 153. The clamping jaw assembly 112 grabs the non-film-pasted battery cell 300 from the feeding and discharging station 153, transfers the battery cell 300 to the battery cell transfer mechanism 120 at the transfer station 152, grabs the battery cell 300 with the film pasting once from the battery cell transfer mechanism 120 to overturn and transfer the battery cell 300 to the battery cell transfer mechanism 120, grabs the battery cell 300 with the film pasting done from the battery cell transfer mechanism 120 to transfer the battery cell 300 to the feeding and discharging station 153, and the battery cell 300 flows to the next process.

Through this kind of setting form, the electric core 300 removes between transfer station 152 and last unloading station 153, and the electric core 300 is in transfer station 152 upset action, and last unloading station 153 is docked with other processes to provide sufficient activity space for electric core upset action at transfer station 152.

In other embodiments, the loading and unloading station 153 may be omitted, and the battery cells 300 without the film may be directly loaded into the transfer station 152, and the battery cells after the film is attached with the blue film may be unloaded from the transfer station 152 and flow to the next process.

As shown in fig. 1, in some embodiments of the present application, the cell transfer mechanism 120 includes a second driving assembly 121 and a cell positioning platform 122, the second driving assembly 121 is used to drive the cell positioning platform 122 to move along the second direction Y, and the cell positioning platform 122 is used to fix the cell 300.

As another example, the first direction X and the second direction Y may be two directions inclined to each other, and specifically defined flexibly according to the movement track of the battery cell 300.

The first driving component 111 is a common linear driving module, and will not be further described herein.

The cell positioning platform 122 is used for carrying the cell 300 and fixing the position of the cell 300, so that the first surface 310 or the second surface 320 of the cell 300 is disposed upwards, so that the film pasting mechanism 130 performs the blue film pasting process.

With this arrangement, the cell positioning platform 122 is docked with the clamping jaw mechanism 110 at the transfer station 152, and the position of the cell 300 is carried and fixed at the film laminating station 151, so that the film laminating mechanism 130 can perform the blue film laminating process on the cell 300.

As shown in fig. 3, 4 and 5, in some embodiments of the present application, the blue film pasting device 100 further includes a visual recognition mechanism 140 disposed at the film pasting station 151 for detecting the position of the battery cell 300, the battery cell positioning platform 122 includes an adsorption plate 1221 and a light emitting element 1222, the adsorption plate 1221 is used for carrying the battery cell 300 and vacuum-adsorbing the battery cell 300, and the light emitting element 1222 is disposed at the lower side of the adsorption plate 1221 for performing visual detection and light filling for the visual recognition mechanism 140.

The visual recognition mechanism 140 is a CCD camera or other visual detection device, and photographs and detects the battery cell 300 from the upper side of the battery cell positioning platform 122 to determine whether the battery cell 300 reaches the film sticking station 151 in a correct posture.

The battery cell positioning platform 122 is provided with a UVW deviation rectifying mechanism for adjusting in cooperation with the detection result of the visual recognition mechanism 140 to ensure that the battery cell 300 is positioned at the film pasting station 151 in a correct posture, and when the visual recognition mechanism 140 detects that the posture and the position of the battery cell 300 are qualified, the film pasting mechanism 130 is configured to start to execute film pasting action according to the detection result of the visual recognition mechanism 140.

The adsorption plate 1221 is provided with a plurality of adsorption holes 1224, and the adsorption holes 1224 are used for vacuum adsorption of the battery cells 300 to fix the positions of the battery cells 300.

The actuating end of the second driving assembly 121 is connected to the moving plate 1226, and the adsorbing plate 1221 and the light emitting element 1222 are both mounted on the moving plate 1226, and are driven by the moving plate 1226 to move synchronously along the second direction Y. The underside of each suction plate 1221 is provided with one light emitting element 1222, and the suction plate 1221 and the corresponding light emitting element 1222 are configured as one suction assembly.

With the arrangement, the detection precision of the visual recognition mechanism 140 can be improved, and the position precision of the battery cell 300 at the film pasting station 151 can be improved, so that the film pasting quality can be improved.

As shown in fig. 4, further, the cell positioning platform 122 further includes a backlight board 1223, the backlight board 1223 is also mounted on the moving board 1226, the adsorption components are provided in plurality, the backlight board 1223 is disposed at the centers of the plurality of adsorption components, so that the portion, close to the edge, of the cell positioning platform 122 can supplement light through the light emitting element 1222, and the portion, close to the center, does not provide the light emitting element 1222, thereby reducing the number of the light emitting elements 1222 while guaranteeing the light supplementing function. As an example, two adsorption assemblies are provided, the two adsorption assemblies are disposed at intervals along the length direction (i.e., the first direction X) of the cell positioning platform 122, the backlight plate 1223 is disposed between the two adsorption assemblies, and the backlight plate 1223 and the two adsorption plates 1221 together bear the cell 300.

As shown in fig. 2 and 4, further, an avoidance groove 1225 is formed between the adsorption plate 1221 and the backlight plate 1223, the clamping jaw assembly 112 includes a lateral clamping jaw 1121 and a forward clamping jaw 1122, the lateral clamping jaw 1121 clamps the battery cell 300 along the length direction of the battery cell 300, the forward clamping jaw 1122 clamps the battery cell 300 along the thickness direction of the battery cell 300, and when the battery cell 300 is placed on the battery cell positioning platform 122, the length direction of the battery cell 300 extends along the first direction X, and the thickness direction extends along the vertical direction Z. When the jaw assembly 112 holds the cell 300 in place on the cell positioning platform 122, the forward jaw 1122 extends into the relief groove 1225. With this arrangement, the jaw assembly 112 can be allowed to reliably place the battery cell 300 on the cell positioning platform 122.

The film pasting mechanism 130 is disposed at the film pasting station 151, and is used for pasting blue film on the surface of the battery cell 300.

As shown in fig. 5 and 6, in some embodiments of the present application, the film pasting mechanism 130 includes a traverse driving assembly 132, a lifting driving assembly 133 and a film pasting module 136, wherein the traverse driving assembly 132 is used for driving the film pasting module 136 to move along a first sub-direction X1 of the first direction X so as to paste the blue film 400 on the surface of the battery cell 300, and the lifting driving assembly 133 is used for driving the film pasting module 136 to move along a vertical direction Z.

It can be appreciated that the film sticking module 136 moves unidirectionally along the first sub-direction X1 to perform the film sticking operation, and moves unidirectionally along the second sub-direction X2 to reset to be used for performing the next film sticking operation. Along the first sub-direction X, the film-attaching module 136 moves from the film-attaching start position to the film-attaching end position.

The lifting driving assembly 133 can drive the film sticking module 136 to switch between different height positions to be close to the battery cell 300 or far from the battery cell 300 along the vertical direction Z, for example, the film sticking module 136 is provided with a film sticking height position along the vertical direction Z, and the like.

The longitudinal direction of the battery cell 300 extends along the first direction X, and the blue film 400 is attached to the battery cell 300 along the longitudinal direction of the battery cell 300, so that the risk of generating bubbles and wrinkles can be reduced.

The film pasting mechanism 130 comprises a frame 131, a transverse moving driving assembly 132 is arranged on the frame 131, a lifting driving assembly 133 is arranged at the executing end of the transverse moving driving assembly 132, and a film pasting module 136 is arranged at the executing end of the lifting driving assembly 133.

Through the arrangement mode, the film sticking module 136 can be reliably driven to displace in the first direction X and the vertical direction Z so as to accurately execute all actions in the film sticking process.

As shown in fig. 6 and 8, in some embodiments of the present application, the film attachment mechanism 130 includes a connection bracket 134, a base plate 135, and a swing drive 137. The connection bracket 134 is disposed at an execution end of the lifting driving assembly 133, the substrate 135 is rotatably connected with the connection bracket 134, the film pasting module 136 is mounted on the substrate 135, and the swinging driving member 137 is disposed on the connection bracket 134 and is used for driving the substrate 135 to rotate relative to the connection bracket 134.

The substrate 135 and the connection bracket 134 are rotatably connected by the rotation shaft 1391, the substrate 135 and the connection bracket 134 are stacked in the second direction Y, and the axial direction of the rotation shaft 1391 extends in the second direction Y.

The film die set 136 swings about the rotation shaft 1391 to switch between a plurality of angular positions, for example, the film die set 136 has a film-sticking angular position, a cutting angular position, and the like, under the driving of the swing driver 137.

With this arrangement, the film sticking module 136 can be driven to swing around the rotation shaft 1391, so as to accurately perform each action in the film sticking process.

As shown in fig. 8, in some embodiments of the application, the film die set 136 includes an unwind mechanism 1361, a first film roll 1362, and a guide 1363, the unwind mechanism 1361, the first film roll 1362, and the guide 1363 being mounted to the substrate 135. The unreeling mechanism 1361 is used for unreeling the blue film 400, and along the first sub-direction X1, the first film-attaching roller 1362 and the guiding piece 1363 are sequentially arranged, the guiding piece 1363 is used for guiding the blue film 400 to be attached to the surface of the battery cell 300, and the first film-attaching roller 1362 is configured to roll the blue film 400 on the surface of the battery cell 300 after the guiding piece 1363.

It can be appreciated that the battery cell 300 is sequentially provided with an initial side 330 and a cut side 340 along the first sub-direction X1, and the film pasting module 136 moves along the first sub-direction X1 from the initial side 330 to the cut side 340 to paste the blue film 400 on the first surface 310 or the second surface 320 of the battery cell 300.

The upper surface of the guide 1363 is inclined with respect to the surface (i.e., XY plane) of the battery cell 300 for guiding the running of the blue film 400, and the end of the guide 1363 abuts against the blue film 400 to guide the transport of the blue film 400 in the first direction X to the battery cell 300 at a constant position and angle.

Further, the lower surface of the guide 1363 is provided with a blowing member 1392 for blowing air toward the end of the guide 1363 to assist in blowing out the blue film 400, reducing the risk of wrinkling of the blue film 400.

Through the arrangement mode, the blue film 400 can be adhered to the surface of the battery cell 300 at a preset angle, the film adhering quality is improved, the blue film 400 is fed in a roll material mode, and compared with a film adhering mode fed in a sheet material mode, the tension of the blue film 400 can be maintained in the film adhering process, and the risk of generating bubbles between the blue film 400 and the battery cell 300 is reduced.

As shown in fig. 8, in some embodiments of the application, the film-attaching module 136 further includes a movable roller assembly 1365 including a roller body driver 1369 and a second film-attaching roller 1368, the roller body driver 1369 is mounted on the substrate 135 for driving the second film-attaching roller 1368 to extend or retract, the second film-attaching roller 1368 is used to extend to roll the blue film 400 on the surface of the battery 300, and the second film-attaching roller 1368 is disposed on the side of the first film-attaching roller 1362 away from the guide 1363.

It will be appreciated that the blue film 400 is provided with a first cutting head 420 at the initial side 330 of the battery 300, and a second cutting head 430 is formed after cutting the cut side 340 of the battery 300, and the first cutting head 420 and the second cutting head 430 need to be pressed against the surface of the battery 300 in addition to the attaching action of the main body portion 410.

By providing the second film sticking roller 1368, the first broken head 420 can be rolled out when the film sticking action starts, and the second rolling can be performed after the first film sticking roller 1362 in the process of sticking the main body part 410, so that bubbles are further removed, and the film sticking quality is improved.

As shown in fig. 8, in some embodiments of the present application, the film sticking module 136 further includes a cutting assembly 1364 mounted on the substrate 135 for cutting the blue film 400, the cutting assembly 1364 is disposed on one side of the second film sticking roller 1368 near the first film sticking roller 1362, and after the cutting assembly 1364 cuts the blue film 400, the second film sticking roller 1368 rolls the blue film 400 on the surface of the battery 300.

It will be appreciated that the cutting assembly 1364 cuts the blue film 400 at the cutting side 340 of the battery cell 300 to form the second cut end 430, the film die set 136 continues to move along the first sub-direction X1, and the second cut end 430 is pressed against the surface of the battery cell 300 by the second film roll 1368.

The cutting assembly 1364 includes a cutter 1366 and a cutting drive 1367, the cutting drive 1367 being mounted to the substrate 135 for driving the cutter 1366 to extend or retract, the cutter 1366 extending to cut the blue film 400.

By the arrangement, the blue film 400 can be cut to form the second cutting head 430, and then the second cutting head 430 is rolled, so that the cutter 1366 is prevented from scratching the surface of the battery cell 300.

As shown in fig. 7, in some embodiments of the present application, the film pasting mechanism 130 further includes a pair of pressing assemblies 138 disposed on the frame 131, the pair of pressing assemblies 138 are disposed opposite to each other along the first direction X, the pressing assemblies 138 are used for pressing the edge of the battery cell 300, and the pressing assemblies 138 are configured to avoid the second film pasting roller 1368 so as to allow the second film pasting roller 1368 to roll the blue film 400 on the edge of the battery cell 300.

As shown in fig. 10, the edge of the cell 300 refers to the portion of the first surface 310 near the initial side 330 or the cut side 340, or the portion of the second surface 320 near the initial side 330 or the cut side 340,

The pressing assembly 138 includes a pressing driving member 1381 and a pressing member 1382, wherein the pressing driving member 1381 is mounted on the frame 131 for driving the pressing member 1382 to move in the first direction X and the vertical direction Z.

Through this kind of setting form, at the in-process of roll-in blue film 400's main part 410, compress tightly the subassembly 138 and compress tightly electric core 300 in electric core location platform 122, can improve pad pasting quality and pad pasting precision, when carrying out the action of pasting of first broken end 420 and second broken end 430, dodge second pad pasting roller 1368 to ensure that second pad pasting roller 1368 pastes first broken end 420 and second broken end 430 and covers the surface at electric core 300.

As shown in fig. 11, the battery manufacturing apparatus 200 of some embodiments of the present application includes a lamination device 210, a hot press device 220, and a bluing device 100. The lamination device 210 is used for laminating the positive electrode plate, the diaphragm and the negative electrode plate to form the battery cell 300, the blue film pasting device 100 is used for pasting the blue film 400 on the surface of the battery cell 300, and the hot pressing device 220 is used for carrying out hot pressing treatment on the battery cell 300.

Due to the characteristics of the bluing device 100 of the embodiment of the application, the battery manufacturing equipment 200 reduces the risks of scratch and damage of the battery cells in the production process of the battery cells, thereby improving the qualification rate of the battery cells.

In some embodiments of the present application, the bluing device 100 is disposed upstream of the hot press device 220.

With this arrangement, the bluing process is performed in advance, and after the lamination forming the battery cell 300, the bluing process is performed, and then the hot press process is performed. The transfer times of the battery cell 300 before the blue film is pasted are reduced, so that the risks of scratch and damage of the surface of the battery cell 300 are reduced.

In other embodiments of the present application, the bluing device 100 is disposed downstream of the hot press device 220.

With this arrangement, the blue film pasting step is carried out in the subsequent assembly step, and the battery 300 is subjected to heat pressing treatment, and then the blue film 400 is pasted on the surface of the battery 300.

As shown in fig. 1 to 11, the working principle of the blue film sticking apparatus 100 according to the embodiment of the present application is as follows:

the clamping jaw assembly 112 grabs a non-film-pasted battery cell 300, the battery cell 300 is carried to the transfer station 152 under the drive of the first driving assembly 111, the battery cell 300 is placed on the battery cell positioning platform 122, the battery cell positioning platform 122 adsorbs the battery cell 300 in vacuum, and the battery cell 300 is carried to the film pasting station 151 under the drive of the second driving assembly 121;

The visual recognition mechanism 140 detects the position of the battery cell 300, the battery cell positioning platform 122 is matched with the battery cell positioning platform and rectifies the deviation until the battery cell 300 is positioned at the film pasting station 151 in a correct posture, the pair of pressing assemblies 138 descend along the vertical direction Z, and the two ends of the battery cell 300 are respectively pressed from the initial side 330 and the cutting side 340;

The first surface 310 of the battery cell 300 is upward, and the film pasting module 136 moves to a blue film pasting starting position corresponding to the initial side 330 of the battery cell 300 under the drive of the transverse moving driving assembly 132;

the film sticking module 136 descends to the film sticking height position under the driving of the lifting driving assembly 133;

the blowing piece 1392 blows the broken ends of the blue film 400, so that the broken ends of the blue film 400 face the battery cell 300 at a preset angle;

Under the driving of the swing driving piece 137, the film pasting module 136 swings to a film pasting angle position, so that the blue film 400 is pasted on the first surface 310 of the battery cell 300;

Under the driving of the traversing driving component 132, the film pasting module 136 moves a distance along the first sub-direction X1 from the beginning position of pasting blue film, when the first film pasting roller 1362 rolls to the main body part 410 of the blue film 400, the pressing component 138 on the same side retracts to avoid, and the second film pasting roller 1368 extends out and rolls to the edge of the first broken end 420;

under the driving of the traverse driving assembly 132, the film sticking module 136 continues to move along the first sub-direction X1, the second film sticking roller 1368 rolls the first broken end 420 first to press the first broken end 420 against the first surface 310 of the battery cell 300, and then rolls the main body portion 410 for the second time along with the first film sticking roller 1362 to remove the air bubbles between the blue film and the battery cell;

The code scanning component 1393 scans the two-dimensional code on the blue film 400 to prepare for next film pasting;

When the second film roll 1368 rolls to the portion of the main body portion 410 of the blue film 400 near the cutting side 340, the film attaching module 136 swings upward to a cutting angle position under the driving of the swing driving member 137, and the cutting assembly 1364 extends to cut the blue film 400 to form a second cutting head 430;

The pressing assemblies 138 on the same side retract to avoid, the film pasting module 136 continues to move to the film pasting end position along the first sub-direction X1 under the drive of the transverse moving driving assembly 132, and the second film pasting roller 1368 continues to roll the second broken end 430 until the second broken end 430 is completely tightly attached to the first surface 310 of the battery cell 300, so that the film pasting operation of the first surface 310 is completed;

The battery cell positioning platform 122 moves to the transfer station 152 with the battery cell 300, the clamping jaw assembly 112 turns over the battery cell 300, and then the battery cell 300 is placed on the battery cell positioning platform 122, and at the moment, the second surface 320 of the battery cell 300 is upwards arranged;

Repeating the previous steps to complete the film-attaching operation of the second surface 320;

The battery cell 300 after film pasting is transferred to the transfer station 152 by the battery cell positioning platform 122, and the clamping jaw assembly 112 grabs the battery cell 300 and performs blanking treatment.

The blue film pasting device 100 of the embodiment of the application is used for pasting the blue film 400 on the surface of the battery cell 300, the film pasting module 136 carries the blue film 400 in a coil form to carry out film pasting operation, the tension of the blue film is maintained in the film pasting process, the risk of generating bubbles is reduced, rolling treatment can be carried out on the first broken end 420 and the second broken end 430, the risk of peeling and falling off of the edge of the blue film 400 is reduced, and the whole process can realize full-automatic operation, so that the film pasting quality and the film pasting efficiency are higher.

It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (12)

1. A bluing device (100), comprising:

A clamping jaw mechanism (110) for turning the battery cell (300) from a first posture to a second posture;

The film pasting mechanism (130) is used for pasting a blue film on the surface of the battery cell (300);

When the battery cell (300) is in the first posture, the film attaching mechanism (130) is configured to attach a blue film to the first surface (310) of the battery cell;

The film attachment mechanism (130) is configured to attach a blue film to the second surface (320) of the battery cell (300) when the battery cell (300) is in the second posture.

2. The device (100) according to claim 1, wherein the device (100) comprises a film laminating station (151) and a transfer station (152), the film laminating mechanism (130) is configured to laminate a blue film to a surface of a battery cell (300) at the film laminating station (151), and the clamping jaw mechanism (110) is configured to flip the battery cell at the transfer station (152), and the device (100) further comprises:

and the battery core transfer mechanism (120) is used for carrying the battery core (300) to move between the film pasting station (151) and the transfer station (152).

3. The bluing device (100) according to claim 2, wherein the jaw mechanism (110) comprises:

The clamping jaw assembly (112) is used for clamping the battery cell (300) and overturning the battery cell (300);

The first driving assembly (111) is used for driving the clamping jaw assembly (112) to move along a first direction so as to enable the clamping jaw assembly (112) to move to the transfer station (152) with the battery cell (300) and enable the battery cell (300) to leave the transfer station (152).

4. The bluing device (100) according to claim 2, wherein the cell transfer mechanism (120) includes:

the battery cell positioning platform (122) is used for fixing the battery cell (300);

And the second driving assembly (121) is used for driving the battery cell positioning platform (122) to move along a second direction.

5. The bluing device (100) according to claim 4, wherein the bluing device (100) further comprises:

The visual identification mechanism (140) is arranged at the film pasting station (151) and used for detecting the position of the battery cell (300);

The cell positioning platform (122) comprises:

The adsorption plate (1221) is used for bearing the battery cell (300) and vacuum adsorbing the battery cell (300);

And a light emitting element (1222) provided below the suction plate (1221) for visually inspecting and supplementing light to the visual recognition mechanism (140).

6. The bluing device (100) according to claim 1, wherein the film attaching mechanism (130) comprises:

A film-sticking module (136);

The transverse movement driving assembly (132) is used for driving the film pasting module (136) to move along a first sub-direction of a first direction so as to paste the blue film on the surface of the battery cell (300);

And the lifting driving assembly (133) is used for driving the film sticking module (136) to move along the vertical direction.

7. The bluing device (100) according to claim 6, wherein the film attaching mechanism (130) comprises:

The connecting bracket (134) is arranged at the execution end of the lifting driving assembly (133);

A base plate (135) rotatably connected with the connecting bracket (134), wherein the film sticking module (136) is mounted on the base plate;

And the swing driving piece (137) is arranged on the connecting bracket (134) and is used for driving the base plate (135) to rotate relative to the connecting bracket (134).

8. The bluing device (100) of claim 7, wherein the film die set (136) comprises:

an unreeling mechanism (1361) mounted on the substrate (135) for unreeling the blue film;

First pad pasting roller (1362) and guide (1363), install in base plate (135), along first sub-direction, first pad pasting roller (1362) with guide (1363) set gradually, guide (1363) are used for guiding the blue membrane to paste and cover in the surface of electric core (300), first pad pasting roller (1362) is configured to be followed guide (1363) the surface that will blue membrane roll-in electric core (300).

9. The bluing device (100) of claim 8, wherein the film die set (136) further comprises:

the movable roller assembly (1365) comprises a roller body driving piece (1369) and a second film pasting roller (1368), the roller body driving piece (1369) is installed on the base plate (135) and is used for driving the second film pasting roller (1368) to extend or retract, and the second film pasting roller (1368) is used for extending to roll the blue film on the surface of the battery cell (300);

the second film-sticking roller (1368) is arranged on one side of the first film-sticking roller (1362) far away from the guide piece (1363).

10. The bluing device (100) of claim 9, wherein the film die set (136) further comprises:

a cutting assembly (1364) mounted to the substrate (135) for cutting the blue film;

The cutting assembly (1364) is arranged on one side, close to the first film sticking roller (1362), of the second film sticking roller (1368), and after the cutting assembly (1364) cuts the blue film, the second film sticking roller (1368) presses the blue film on the surface of the battery cell (300) in a rolling mode.

11. The bluing device (100) according to claim 9, wherein the film attaching mechanism (130) further comprises:

A frame (131);

The pressing assemblies (138) are arranged on the rack (131), the pressing assemblies (138) are oppositely arranged along the first direction, and the pressing assemblies (138) are used for pressing the edges of the battery cells (300);

The compression assembly (138) is configured to bypass the second film roll (1368) to allow the second film roll (1368) to roll blue film to the edge of the cell (300).

12. A battery manufacturing apparatus (200), characterized by comprising:

lamination means (210) for laminating the positive electrode sheet, the separator and the negative electrode sheet to form a cell (300);

The blue film pasting device (100) according to any one of claims 1 to 11, which is used for pasting a blue film on the surface of an electric core (300);

And a hot press device (220) for performing hot press treatment on the battery cell (300).