A glue cutting and packaging system used in a battery cell production line

Abstract

The present invention relates to a glue-applying, cutting and packaging system used in a battery cell production line. It mainly includes a glue-applying device, a cutting device and a packaging device. The glue-applying device is used to apply tape to the battery cell pole ear. The glue-applying device is two, namely a first glue-applying device and a second glue-applying device. The first glue-applying device is arranged above the second glue-applying device. The first glue-applying device is used to apply tape to the upper surface of the battery cell pole ear, and the second glue-applying device is used to apply tape to the lower surface of the battery cell pole ear; the cutting device is used to cut the edge of the aluminum-plastic film used to package the stacked core, and the packaging device is used to seal the opening on the aluminum-plastic film. When the above system is in use, the glue-applying device, the cutting device and the packaging device can realize automatic glue-applying, automatic cutting and automatic packaging. It is beneficial to improve the production efficiency of the battery cell production line.

Description

Technical Field

[0001] The invention relates to the technical field of battery cell production, and in particular to a glue-sticking, cutting and packaging system used in a battery cell production line. Background Art

[0002] In the production process of battery cells, it is necessary to stick tape on the battery cell tabs, cut the edges of the aluminum-plastic film used to encapsulate the stacked cores, and seal the openings on the sides of the aluminum-plastic film. The automation level of the equipment used to achieve the above functions in traditional technologies is not high enough, which affects the production efficiency of the entire battery cell production line. Summary of the invention

[0003] Based on this, it is necessary to provide a glue cutting and packaging system for use in a battery cell production line to address the problem of low automation of related equipment in traditional technologies.

[0004] A glue-sticking, cutting and packaging system used in a battery cell production line, comprising:

[0005] A glue sticking device, the glue sticking device is used to stick a tape on the battery cell pole ear, the glue sticking device includes a tape unwinding mechanism, an intermediate conveying roller group, a tape reversing mechanism, a tape sticking mechanism, a tape cutting mechanism and a tape pulling mechanism, the tape unwinding mechanism is used to carry the rolled tape and convey the tape to the intermediate conveying roller group, the intermediate conveying roller group is used to convey the tape to the tape reversing mechanism, the tape reversing mechanism is used to change the conveying direction of the tape, the tape pulling mechanism is arranged on one side of the tape sticking mechanism, and is used to clamp the tape conveyed by the tape reversing mechanism and pull it to the tape sticking mechanism, the tape sticking mechanism is used to absorb and press the tape on the battery cell pole ear, and the tape cutting mechanism is used to cut the tape to form a tape segment dedicated to sticking on the battery cell pole ear;

[0006] There are two gluing devices, namely a first gluing device and a second gluing device, wherein the first gluing device is arranged above the second gluing device, the first gluing device is used to apply tape to the upper surface of the battery cell tab, and the second gluing device is used to apply tape to the lower surface of the battery cell tab;

[0007] A cutting device, the cutting device is used to cut the edge of the aluminum-plastic film used to encapsulate the stacked core, the cutting device includes a cutting frame, both ends of the cutting frame are respectively provided with channels for inserting the edge of the aluminum-plastic film, the channels are provided with a cutting knife assembly, the cutting knife assembly includes an upper cutting knife, an upper cutting knife driving assembly for driving the upper cutting knife to move up and down, a lower cutting knife, and a lower cutting knife driving assembly for driving the lower cutting knife to move up and down;

[0008] The packaging device is used to seal the opening on the aluminum-plastic film. The packaging device comprises an upper sealing knife, an upper sealing knife driving mechanism, a lower sealing knife and a lower sealing knife driving mechanism. The upper sealing knife and the lower sealing knife are used to squeeze and heat the opening of the aluminum-plastic film to seal the opening.

[0009] When the above system is in use, the gluing device, cutting device and packaging device can realize automatic gluing, automatic cutting and automatic packaging. It is beneficial to improve the production efficiency of the battery cell production line. At the same time, there are two gluing devices, which can apply tape to two surfaces at the same time. Moreover, the gluing device is provided with a tape reversing mechanism, which can change the direction of the tape, so that the tape is not transported in only one direction during the conveying process, so that the space resources can be fully utilized, and the structure of the gluing device is compact.

[0010] In one embodiment, the glue application device also includes a cache mechanism, which includes an upper mounting plate, a lower mounting plate, two spaced-apart columns located between the upper mounting plate and the lower mounting plate, and a laterally arranged support column located between the two columns, wherein a cache roller is arranged at one end of the support column, a counterweight block is arranged at the other end of the support column, and a tensioning roller is also arranged on the counterweight block.

[0011] In one embodiment, the belt reversing mechanism includes a reversing frame, an upper pressure roller is arranged on the reversing frame, a guide roller is arranged on one side of the upper pressure roller, a lower pressure roller is arranged below the upper pressure roller, and a driving arm is hinged on the reversing frame, one end of the driving arm is connected to the lower pressure roller, and the other end of the driving arm is connected to a spring installed on the reversing frame.

[0012] In one of the embodiments, the upper cutter is provided with a blowing assembly directed toward the aluminum-plastic film.

[0013] In one embodiment, the lower cutter drive assembly includes a lower cutter bracket for mounting the lower cutter, a rolling element mounted on the lower cutter bracket, a bracket cylinder for driving the lower cutter bracket to move up and down, a first slide rail, a first slider slidably matched with the first slide rail, a lifting block mounted on the first slider, and a lifting block drive assembly for driving the lifting block to move along the first slide rail, wherein the lifting block is provided with a stepped surface for matching with the rolling element.

[0014] In one embodiment, the upper sealing knife driving mechanism includes a first mounting block and a second mounting block, the first mounting block is connected to a first mounting block driving assembly for driving the first mounting block to move up and down, the upper surfaces of the two ends of the first mounting block are respectively provided with downward pressure cylinders, the piston rods of the downward pressure cylinders are connected to the second mounting block, the lower surfaces of the two ends of the first mounting block are respectively provided with balancing cylinders, the piston rods of the balancing cylinders are connected to the upper sealing knife installed on the second mounting block, and the upper sealing knife is hinged to the second mounting block.

[0015] In one embodiment, the lower sealing knife driving mechanism includes a lower sealing knife mounting frame, the lower sealing knife is mounted on the lower sealing knife mounting frame, a rolling member is provided on the lower sealing knife mounting frame, and also includes a cam cooperating with the rolling member and a cam driving assembly for driving the cam to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of a glue sticking device of a glue sticking, cutting and packaging system applied on a battery cell production line according to an embodiment of the present invention.

[0017] Figure 2 Schematic diagram of a tape anti-rolling mechanism of a glue laminating device according to an embodiment of the present invention.

[0018] Figure 3 It is a schematic diagram of an intermediate conveying roller group of a glue laminating device according to an embodiment of the present invention.

[0019] Figure 4 It is a schematic diagram of a buffer mechanism of a glue laminating device according to an embodiment of the present invention.

[0020] Figure 5 It is a schematic diagram of a tape reversing mechanism of a glue laminating device according to an embodiment of the present invention.

[0021] Figure 6 It is a schematic diagram of a tape applying mechanism and a tape cutting mechanism of a glue applying device according to an embodiment of the present invention.

[0022] Figure 7 It is a schematic diagram of a tape pulling mechanism of a tape reversing mechanism of a glue laminating device according to an embodiment of the present invention.

[0023] Figure 8 It is a schematic diagram of a cutting device of a glue-cutting and packaging system applied on a battery cell production line according to an embodiment of the present invention.

[0024] Fig. 9 Schematic diagram of an upper cutter driving assembly of a cutting device according to an embodiment of the present invention.

[0025] Fig.10 Schematic diagram of an upper cutter of a cutting device according to an embodiment of the present invention.

[0026] Fig.11 A schematic diagram of a lower cutter driving assembly of a cutting device according to an embodiment of the present invention.

[0027] Fig.12 It is a schematic diagram of a packaging device of a glue-cutting packaging system applied to a battery cell production line according to an embodiment of the present invention.

[0028] Fig.13 Schematic diagram of an upper air knife and a driving assembly thereof of a packaging device according to an embodiment of the present invention.

[0029] Fig.14 Schematic diagram of the lower air knife of the packaging device according to an embodiment of the present invention.

[0030] Fig.15 Schematic diagram of a lower air knife driving assembly of a packaging device according to an embodiment of the present invention.

[0031] in:

[0032] 100, adhesive tape attaching device 110, adhesive tape unwinding mechanism 111, turntable

[0033] 112, tape roll positioning assembly 120, intermediate conveying roller assembly 121, conveying roller

[0034] 122, pressing roller group 130, belt reversing mechanism 131, upper pressing roller

[0035] 132, lower pressure roller 133, driving arm 134, spring

[0036] 135, guide roller 140, adhesive tape attaching mechanism 150, adhesive tape pulling mechanism

[0037] 160, cache mechanism 161, upper mounting plate 162, lower mounting plate

[0038] 163, column 164, buffer roller 165, counterweight

[0039] 166, tension roller 141, vacuum suction head 142, vacuum suction head driving assembly

[0040] 170, tape cutting mechanism 151, clamping claw cylinder 152, support frame

[0041] 153, first servo motor 154, second slide block 155, second slide rail

[0042] 200, cutting device 211, second servo motor 212, eccentric wheel

[0043] 213, transmission member 214, upper cutter support 220, upper cutter 250, channel

[0044] 270, air blowing assembly 260, cutting frame 230, lower cutting knife

[0045] 240, lower cutter support 281, support cylinder 282, first slide rail 283, first slide block

[0046] 284, lifting block 285, lifting block driving assembly 286, first rolling element

[0047] 300, packaging device 310, upper sealing knife 320, upper sealing knife driving mechanism

[0048] 330, lower sealing knife 340, lower sealing knife driving mechanism 321, third servo motor

[0049] 322, first mounting block 323, second mounting block 324, downward pressure cylinder

[0050] 325, balance cylinder 341, fourth servo motor 342, cam

[0051] 343, lower sealing knife mounting frame 344, second rolling element DETAILED DESCRIPTION

[0052] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0053] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0054] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0055] like Figure 1 , 8 As shown in FIG. 12 , an embodiment of the present invention provides a glue cutting and packaging system for use in a battery cell production line, which includes:

[0056] The adhesive sticking device 100 is used to stick adhesive tape on the battery cell tab. The adhesive sticking device 100 includes an adhesive tape unwinding mechanism 110, an intermediate conveying roller group 120, an adhesive tape reversing mechanism 130, an adhesive tape sticking mechanism 140, an adhesive tape cutting mechanism 170, and an adhesive tape pulling mechanism 150. The adhesive tape unwinding mechanism 110 is used to carry the rolled adhesive tape and convey the adhesive tape to the intermediate conveying roller group 120. The intermediate conveying roller group 120 is used to convey the adhesive tape to the battery cell tab. The adhesive tape is sent to the adhesive tape reversing mechanism 130, the adhesive tape reversing mechanism 130 is used to change the conveying direction of the adhesive tape, the adhesive tape pulling mechanism 150 is arranged on one side of the adhesive tape sticking mechanism 140, and is used to clamp the adhesive tape conveyed by the adhesive tape reversing mechanism 130 and pull it to the adhesive tape sticking mechanism 140, the adhesive tape sticking mechanism 140 is used to absorb and press the adhesive tape on the battery cell pole ear, and the adhesive tape cutting mechanism 170 is used to cut the adhesive tape to form an adhesive tape segment dedicated to sticking on the battery cell pole ear;

[0057] There are two gluing devices 100, namely a first gluing device 100 and a second gluing device 100. The first gluing device 100 is arranged above the second gluing device 100. The first gluing device 100 is used to apply tape to the upper surface of the battery cell tab, and the second gluing device 100 is used to apply tape to the lower surface of the battery cell tab.

[0058] A cutting device 200, the cutting device 200 is used to cut the edge of the aluminum-plastic film used to encapsulate the stacked core, the cutting device 200 includes a cutting frame 260, both ends of the cutting frame 260 are respectively provided with channels 250 for inserting the edge of the aluminum-plastic film, the channels 250 are provided with a cutting knife assembly, the cutting knife assembly includes an upper cutting knife 220, an upper cutting knife 220 driving assembly for driving the upper cutting knife 220 to move up and down, a lower cutting knife 230, and a lower cutting knife 230 driving assembly for driving the lower cutting knife 230 to move up and down;

[0059] The packaging device 300 is used to seal the opening on the aluminum-plastic film. The packaging device 300 includes an upper sealing knife 310, an upper sealing knife driving mechanism 320, a lower sealing knife 330 and a lower sealing knife driving mechanism 340. The upper sealing knife 310 and the lower sealing knife 330 are used to squeeze and heat the opening of the aluminum-plastic film to seal the opening.

[0060] When the above system is in use, the gluing device 100, the cutting device 200 and the packaging device 300 can realize automatic gluing, automatic cutting and automatic packaging. It is beneficial to improve the production efficiency of the battery cell production line. At the same time, there are two gluing devices 100, which can apply tape to two surfaces at the same time. Moreover, the gluing device 100 is provided with a tape reversing mechanism 130, which can change the direction of the tape, so that the tape is not transported in only one direction during the conveying process, so that the space resources can be fully utilized, making the gluing device 100 compact.

[0061] Specifically, the tape unwinding mechanism 110 includes a turntable 111 , on which a tape roll positioning assembly 112 is disposed, and the tape roll can be fixed on the tape roll positioning assembly 112 by means of a snap connection.

[0062] The intermediate conveying roller group 120 includes a plurality of conveying rollers 121, a tensioning roller 166, and a pressure roller group 122. The adhesive tape passes through each roller in turn. The number and arrangement of the rollers required can be set according to actual needs. One of the rollers of the pressure roller group 122 can be an active roller. The pressure roller group 122 is used to provide friction to the adhesive tape. The friction is conducive to ensuring that the length of the adhesive tape pulled by the adhesive tape pulling mechanism 150 is the same as the length of the adhesive tape put on the tape roll.

[0063] The above-mentioned tape reversing mechanism 130 includes a reversing frame, on which an upper pressure roller 131 is arranged, on one side of which a guide roller 135 is arranged, and below which a lower pressure roller 132 is arranged. A driving arm 133 is hinged on the reversing frame, and one end of the driving arm 133 is connected to the lower pressure roller 132, and the other end of the driving arm 133 is connected to a spring 134 installed on the reversing frame. This arrangement enables the driving arm 133 to form a lever. When in use, the tape is located between the upper pressure roller 131 and the lower pressure roller 132. Since the lower pressure roller 132 is connected to the driving arm 133, the driving arm 133, under the action of the spring 134, will drive the lower pressure roller 132 to apply a pressing force to the tape toward the upper pressure roller 131. When in use, the above-mentioned tape reversing mechanism 130 can be set at a position where the conveying direction of the tape needs to be changed, for example Figure 1 In the embodiment, the conveying direction of the tape on the tape reversing mechanism 130 is substantially perpendicular to the conveying direction of the tape on the upstream side, so that the conveying direction of the tape is changed. If the tape is basically conveyed in one direction, the corresponding components need to be arranged in the conveying direction of the tape, which makes the length of the entire glue sticking device 100 larger. In the present application, by changing the conveying direction of the tape, the corresponding components can be arranged next to the components such as the tape unwinding mechanism 110, so that the entire glue sticking device 100 has a compact structure.

[0064] The above-mentioned tape pulling mechanism 150 is used to pull the tape at the tape reversing mechanism 130 to the tape applying mechanism 140. The tape pulling mechanism 150 may include a clamping cylinder 151 and a clamping cylinder 151 driving assembly for driving the clamping cylinder 151 to move. The clamping cylinder 151 driving assembly may include a screw mechanism driven by a first servo motor 153, a support frame 152, a second slider 154, and a second slide rail 155. The support frame 152 is used to install the clamping cylinder 151, and the bottom of the support frame 152 is connected to the second slider 154. The second slider 154 is driven by the screw mechanism and slidably cooperates with the second slide rail 155. The clamping cylinder 151 driving assembly drives the clamping cylinder 151 to move to the tape reversing mechanism 130, and the clamping cylinder 151 clamps the head of the tape. Then the clamping cylinder 151 driving assembly drives the clamping cylinder 151 to move, and the tape is pulled to the tape applying mechanism 140.

[0065] The above-mentioned tape sticking mechanism 140 may include a vacuum suction head 141 and a vacuum suction head driving component 142. The above-mentioned vacuum suction head 141 is connected to the vacuum generating component. When the tape runs below the vacuum suction head 141, the tape is sucked by the vacuum suction head 141. Here, the vacuum suction head 141 may be provided with an adsorption plane, and a plurality of adsorption holes are provided on the adsorption plane so as to adsorb a section of the tape firmly. Then, the tape between the tape sticking mechanism 140 and the tape reversing mechanism 130 is cut by the above-mentioned tape cutting mechanism 170, so that a section of the tape remains on the vacuum suction head 141. Then, the vacuum suction head 141 is driven by the vacuum suction head driving component 142 to move toward the battery cell pole ear direction. When the tape is attached to the surface of the battery cell pole ear, the vacuum suction head 141 releases the tape, and then resets in the reverse direction under the drive of the vacuum suction head driving component 142.

[0066] It should be noted that, since the present application is provided with two sets of glue sticking devices 100, they are used to stick the tape on the upper and lower surfaces of the battery cell tabs respectively. In the specific setting, the two vacuum suction heads 141 are arranged up and down, so that the two vacuum suction heads 141 can move toward the battery cell tabs at the same time, and the two vacuum suction heads 141 can squeeze the battery cell tabs at the same time, so that the tape on the vacuum suction heads 141 is firmly attached to the battery cell tabs. Furthermore, the tape reversing mechanisms 130 of the two sets of glue sticking devices 100 can also be arranged up and down, so that a clamping cylinder 151 driving assembly can be used to simultaneously drive the two clamping cylinders 151 arranged up and down to move. The upper clamping cylinder 151 corresponds to the upper tape reversing mechanism 130, and the lower clamping cylinder 151 corresponds to the lower tape reversing mechanism 130. Thereby, the overall structure can be made compact.

[0067] The tape cutting mechanism 170 is used to cut the tape between the tape applying mechanism 140 and the tape reversing mechanism 130. The tape cutting mechanism 170 may include a cutter and a cutter driving assembly. The cutter driving assembly is used to drive the cutter to move. Specifically, after the vacuum suction head 141 absorbs the tape, the cutter can cut the tape.

[0068] In this embodiment, the adhesive laminating device 100 further includes a cache mechanism 160, which includes an upper mounting plate 161, a lower mounting plate 162, two columns 163 spaced apart between the upper mounting plate 161 and the lower mounting plate 162, and a support column disposed transversely between the two columns 163, a cache roller 164 being disposed at one end of the support column, a counterweight block 165 being disposed at the other end of the support column, and a tensioning roller 166 being disposed on the counterweight block 165. When in use, the adhesive tape bypasses the tensioning roller and passes under the cache roller 164. Since the cache roller 164 and the counterweight block 165 are connected to the support column at the same time, the cache roller 164 will move downward under the action of the counterweight block 165, so that a certain length of the adhesive tape can be retained on the cache mechanism 160. When the tape pulling mechanism 150 pulls the tape, the tape section retained on the buffer mechanism 160 will drive the buffer roller 164 to move upward under the action of the pulling force, and at the same time, the tape section will move toward the tape reversing mechanism 130. After the tape cutting mechanism 170 cuts the tape between the tape applying mechanism 140 and the tape reversing mechanism 130, the buffer roller 164 moves downward under the action of the counterweight 165. Since the tape at the tape reversing mechanism 130 is pressed by the upper pressure roller 131 and the lower pressure roller 132, it will not move. In this way, the downward movement of the buffer roller 164 will cause the tape at the tape unwinding mechanism 110 to move toward the buffer roller 164. This arrangement is conducive to the rapid and stable conveying of the tape on the entire device.

[0069] After the gluing process is completed, cutting is required. When the cutting device 200 is used, the two sides of the stacked aluminum-plastic film are respectively inserted into the two channels 250, and the two ends of the channel 250 are respectively provided with a cutter assembly, and the upper cutter 220 of the cutter assembly moves downward, and the lower cutter 230 moves upward, so that the two sides of the aluminum-plastic film are cut by the action of the upper and lower cutters 230.

[0070] Furthermore, the upper cutter 220 is provided with a blowing assembly 270 facing the aluminum-plastic film. The blowing assembly 270 includes a blowing head, which is connected to the source. When the edge of the aluminum-plastic film is cut off, in order to quickly separate it from the aluminum-plastic film, air can be blown toward the aluminum-plastic film through the blowing head, thereby blowing off the cut portion and separating it from the aluminum-plastic film.

[0071] In this embodiment, the upper cutter 220 driving assembly may include a second servo motor 211, the second servo motor 211 is connected to the eccentric wheel 212, the eccentric wheel 212 is connected to a transmission member 213, the transmission member 213 is connected to the upper cutter bracket 214, and the upper cutter 220 is installed on the upper cutter bracket 214. The second servo motor 211 rotates, driving the eccentric wheel 212 to rotate, and then driving the transmission member 213 to drive the upper cutter 220 to move up and down.

[0072] In this embodiment, the lower cutter 230 driving assembly includes a lower cutter bracket 240 for mounting the lower cutter 230, a first rolling member 286 mounted on the lower cutter bracket 240, a bracket cylinder 281 for driving the lower cutter bracket 240 to move up and down, a first slide rail 282, a first slider 283 slidably matched with the first slide rail 282, a lifting block 284 mounted on the first slider 283, and a lifting block driving assembly 285 for driving the lifting block 284 to move along the first slide rail 282, wherein the lifting block 284 is provided with a stepped surface for matching with the first rolling member 286. The lifting block driving assembly 285 may be a cylinder. When in use, the lower cutter bracket 240 is moved upward by the bracket cylinder 281, and then the lifting block 284 is driven by the lifting block driving assembly 285 to move along the slide rail until it contacts the first rolling member 286, and then the lifting block 284 is used to support the first rolling member 286, thereby supporting the lower cutter bracket 240.

[0073] It can be understood that in order to make the lower cutter bracket 240 run smoothly, a slide rail can be set on the cutting frame 260, and a slider that slidably cooperates with the slide rail is installed on the side of the cutter bracket.

[0074] After the edge of the aluminum-plastic film is cut, the packaging process begins. In this embodiment, the packaging device 300 is used to seal the opening on the aluminum-plastic film, and the packaging device 300 includes an upper sealing knife 310, an upper sealing knife driving mechanism 320, a lower sealing knife 330, and a lower sealing knife driving mechanism 340. The upper sealing knife 310 and the lower sealing knife 330 squeeze and heat the opening of the aluminum-plastic film to seal the opening.

[0075] In this embodiment, the upper sealing knife driving mechanism 320 includes a first mounting block 322 and a second mounting block 323, the first mounting block 322 is connected to a first mounting block 322 driving assembly for driving the first mounting block 322 to move up and down, a downward pressure cylinder 324 is respectively provided on the upper surfaces of both ends of the first mounting block 322, the piston rod of the downward pressure cylinder 324 is connected to the second mounting block 323, a balancing cylinder 325 is respectively provided on the lower surfaces of both ends of the first mounting block 322, the piston rod of the balancing cylinder 325 is connected to the upper sealing knife 310 installed on the second mounting block 323, and the upper sealing knife 310 is hinged to the second mounting block 323. The above-mentioned first mounting block 322 driving assembly can be a screw mechanism driven by a third servo motor 321, or can be other types of linear driving mechanisms. When in use, the first mounting block 322 driving assembly drives the first mounting block 322 to move downward to the target position, and the downward pressure cylinder 324 is used to apply pressure to the second mounting block 323 at the target position, thereby making the upper sealing knife 310 mounted on the second mounting block 323 in close contact with the aluminum-plastic film. The above-mentioned balancing cylinder 325 is used to provide a floating amount and prevent the upper sealing knife 310 from shaking during heat sealing. The above-mentioned setting method is also conducive to balanced force when the upper and lower sealing knives are in contact, thereby ensuring the packaging effect.

[0076] In this embodiment, the lower sealing knife driving mechanism 340 includes a lower sealing knife mounting frame 343, the lower sealing knife 330 is mounted on the lower sealing knife mounting frame 343, a second rolling member 344 is arranged on the lower sealing knife mounting frame 343, and also includes a cam 342 matched with the second rolling member 344 and a cam 342 driving assembly for driving the cam 342 to rotate. The cam 342 driving assembly is a support shaft and a fourth servo motor 341 for driving the support shaft to rotate. When in use, the lower sealing knife mounting frame 343 is driven to move up and down by the rotation of the cam 342 to drive the second rolling member 344, so that the lower sealing knife 330 can be driven to move up and down. Such a configuration can improve the rising beat of the lower sealing knife 330 and increase the load bearing capacity of the lower sealing knife 330.

[0077] Furthermore, the heating rods used by the upper sealing blade 310 and the lower sealing blade 330 have different power in different sections to ensure that the temperature of the heating block that needs to be heated by it is balanced. Specifically, the entire heating rod is divided into three sections, namely the first section, the second section and the third section. The power of the three sections is controlled separately. The power of the first section and the third section at both ends of the heating rod is large, and the power of the second section in the middle is small. This setting is because the heat dissipation at both ends of the object is fast, and the energy is concentrated in the middle, so this can balance the temperature of the heated object.

[0078] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0079] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A glue cutting and packaging system used in a battery production line, characterized in that: include: A glue sticking device, the glue sticking device is used to stick a tape on the battery cell pole ear, the glue sticking device includes a tape unwinding mechanism, an intermediate conveying roller group, a tape reversing mechanism, a tape sticking mechanism, a tape cutting mechanism and a tape pulling mechanism, the tape unwinding mechanism is used to carry the rolled tape and convey the tape to the intermediate conveying roller group, the intermediate conveying roller group is used to convey the tape to the tape reversing mechanism, the tape reversing mechanism is used to change the conveying direction of the tape, the tape pulling mechanism is arranged on one side of the tape sticking mechanism, and is used to clamp the tape conveyed by the tape reversing mechanism and pull it to the tape sticking mechanism, the tape sticking mechanism is used to absorb and press the tape on the battery cell pole ear, and the tape cutting mechanism is used to cut the tape to form a tape segment dedicated to sticking on the battery cell pole ear; There are two gluing devices, namely a first gluing device and a second gluing device, wherein the first gluing device is arranged above the second gluing device, the first gluing device is used to apply tape to the upper surface of the battery cell tab, and the second gluing device is used to apply tape to the lower surface of the battery cell tab; A cutting device, the cutting device is used to cut the edge of the aluminum-plastic film used to encapsulate the stacked core, the cutting device includes a cutting frame, both ends of the cutting frame are respectively provided with channels for inserting the edge of the aluminum-plastic film, the channels are provided with a cutting knife assembly, the cutting knife assembly includes an upper cutting knife, an upper cutting knife driving assembly for driving the upper cutting knife to move up and down, a lower cutting knife, and a lower cutting knife driving assembly for driving the lower cutting knife to move up and down; A packaging device, the packaging device is used to seal the opening on the aluminum-plastic film, the packaging device comprises an upper sealing knife, an upper sealing knife driving mechanism, a lower sealing knife and a lower sealing knife driving mechanism, and the upper sealing knife and the lower sealing knife are used to squeeze and heat the opening of the aluminum-plastic film to seal the opening; The belt reversing mechanism comprises a reversing frame, an upper pressure roller is arranged on the reversing frame, a guide roller is arranged on one side of the upper pressure roller, a lower pressure roller is arranged below the upper pressure roller, a driving arm is hinged on the reversing frame, one end of the driving arm is connected to the lower pressure roller, and the other end of the driving arm is connected to a spring installed on the reversing frame; The glue sticking device further includes a cache mechanism, which includes an upper mounting plate, a lower mounting plate, two columns spaced apart between the upper mounting plate and the lower mounting plate, and a support column laterally disposed between the two columns, a cache roller being disposed at one end of the support column, a counterweight block being disposed at the other end of the support column, and a tensioning roller being further disposed on the counterweight block; The upper cutter is provided with a blowing assembly directed toward the aluminum-plastic film; The lower cutter drive assembly includes a lower cutter bracket for mounting the lower cutter, a rolling element mounted on the lower cutter bracket, a bracket cylinder for driving the lower cutter bracket to move up and down, a first slide rail, a first slider slidably matched with the first slide rail, a lifting block mounted on the first slider, and a lifting block drive assembly for driving the lifting block to move along the first slide rail, wherein the lifting block is provided with a stepped surface for matching with the rolling element; The upper sealing knife driving mechanism comprises a first mounting block and a second mounting block, the first mounting block is connected to a first mounting block driving assembly for driving the first mounting block to move up and down, upper surfaces of both ends of the first mounting block are respectively provided with downward-pressing cylinders, the piston rods of the downward-pressing cylinders are connected to the second mounting block, lower surfaces of both ends of the first mounting block are respectively provided with balancing cylinders, the piston rods of the balancing cylinders are connected to an upper sealing knife mounted on the second mounting block, and the upper sealing knife is hinged to the second mounting block; The lower sealing knife driving mechanism comprises a lower sealing knife mounting frame, the lower sealing knife is mounted on the lower sealing knife mounting frame, a rolling element is arranged on the lower sealing knife mounting frame, and further comprises a cam matched with the rolling element and a cam driving assembly for driving the cam to rotate.

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