Core rolling and casing equipment for cylindrical battery

Abstract

The invention discloses a cylindrical battery core rolling and casing device which comprises a base, a rotating disc and a rolling device, and the rotating disc is rotatably arranged on the base. The multiple film winding devices are evenly distributed around the edge of the rotating disc in a circumferential mode, each film winding device comprises a mounting frame, a push plate and a paper winding mechanism, a supporting plate is arranged on the right side of the mounting frame, and the rotating disc is controlled by a motor and intermittently and temporarily rotates according to the set position. The equipment further comprises a diaphragm paper feeding device, an anode piece feeding device, a bending driving device, a cathode piece feeding device, a winding driving device, a shell sleeving device and a discharging device which are arranged on the base and annularly distributed around the rotating disc in sequence. The rotating disc is used for driving the film winding device to sequentially correspond to the diaphragm paper feeding device, the anode piece feeding device, the bending driving device, the cathode piece feeding device, the winding driving device, the shell sleeving device and the discharging device.

Description

Technical Field

[0001] This invention relates to the field of battery processing, and in particular to a winding and casing device for cylindrical batteries. Background Technology

[0002] Batteries, as a common type of electrical energy storage device, play a vital role in aerospace, industrial fields, and everyday household life.

[0003] Cylindrical batteries are a common type of battery used in our daily lives, often in small appliances, digital products, toys, and other fields. A cylindrical battery generally consists of a battery casing, a battery insulating membrane, anode and cathode plates on both sides of the battery insulating membrane, a cap, and electrolyte. The manufacturing of cylindrical batteries requires the collaboration of multiple processes. In the past, the manufacturing of cylindrical batteries involved multiple separate processes and a lot of manual intervention, which led to low manufacturing efficiency. Furthermore, the frequent loading and unloading of intermediate products during multiple transfers could increase the defect rate. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. To this end, the present invention proposes a...

[0005] A cylindrical battery winding and casing device according to an embodiment of the present invention includes a base, a rotating disk, and a winding device. A rotating disk is mounted on the base. Several winding devices are arranged in a circular pattern around the edge of the rotating disk. Each winding device includes a mounting frame, a push plate, and a winding mechanism. A support plate is located on the right side of the mounting frame. The push plate slides on the mounting frame in a left-right direction and is positioned on the left side of the support plate. The push plate and support plate jointly support the diaphragm paper. The diaphragm paper on the support plate is used to place the anode sheet. The push plate pushes the diaphragm paper on the push plate to fold and cover the anode sheet. The folded diaphragm paper is used to place the cathode sheet. The winding mechanism is located between the push plate and the support plate, and is used to wind the diaphragm paper after placing the anode and cathode sheets into a core. A diaphragm paper feeding device, an anode sheet feeding device, a bending drive device, a cathode sheet feeding device, a winding drive device, a housing device, and a feeding device are arranged in a ring around the rotating disk on the base. The rotating disk drives the winding devices to sequentially correspond to... The device includes a separator paper feeding device, an anode sheet feeding device, a bending drive device, a cathode sheet feeding device, a winding drive device, a casing device, and a unloading device. The separator paper feeding device places separator paper onto the push plate and the tray. The anode sheet feeding device places the anode sheet on the upper end of the separator paper on the tray. The bending drive device is connected to the push plate and drives it to slide, causing the push plate to push and bend the separator paper to cover the anode sheet. The cathode sheet feeding device places the cathode sheet on the upper end of the bent separator paper and presses down on the anode sheet. The winding drive device is connected to the winding mechanism and provides winding power to the winding mechanism, causing the cathode sheet, separator paper, and anode sheet to be wound into a core. The casing device transports the battery casing and mounts it onto the core. The unloading device conveys the battery casing, now mounted on the core, out of the device and transports it to a predetermined location.

[0006] It has at least the following beneficial effects: the base provides an installation foundation for other devices in this equipment; several winding devices are installed on the rotating disk, and these winding devices are evenly distributed circumferentially along the edge of the rotating disk; the rotating disk is arranged in a ring with a separator paper feeding device, an anode sheet feeding device, a bending drive device, a cathode sheet feeding device, a winding drive device, and a casing device. Each of these devices corresponds to one winding device. Through the cooperation of the above devices, the cylindrical battery core is casing, which significantly improves the casing efficiency of the cylindrical battery core, while reducing the number of intermediate product transfers and manual intervention, effectively reducing the defect rate, and maintaining the consistency and reliability of the core forming and casing process.

[0007] According to some embodiments of the present invention, the diaphragm paper feeding device includes a storage tray, a traction mechanism, a cutting mechanism, and a first transfer mechanism. The storage tray, the traction mechanism, the cutting mechanism, and the first transfer mechanism are all disposed on the base. The storage tray is used to store diaphragm paper. The traction mechanism is used to pull the diaphragm paper on the storage tray to the cutting mechanism. The cutting mechanism is used to cut the diaphragm paper into a size suitable for processing. The first transfer mechanism is used to transfer the cut diaphragm paper to the winding device to cover the push plate and the tray.

[0008] According to some embodiments of the present invention, the traction mechanism includes traction rollers arranged opposite each other in the vertical direction, the traction rollers being rotatably connected to the base, a gap between the two traction rollers for the passage of diaphragm paper, the two traction rollers being connected by gear transmission, one of the traction rollers being connected to a drive member by the gear transmission, the drive member being used to drive the corresponding gear to rotate, thereby driving the two traction rollers to rotate and causing the diaphragm paper to be pulled.

[0009] According to some embodiments of the present invention, both the cathode loading device and the anode loading device include a first conveyor belt, a second conveyor belt, a switching mechanism, and a second transfer mechanism. The first conveyor belt, the second conveyor belt, the switching mechanism, and the second transfer mechanism are all disposed on the base. The first conveyor belt is used to input the electrode loading box, and the second conveyor belt is used to output the electrode loading box. The electrode loading box is used to hold cathode or anode sheets. One end of the switching mechanism is disposed at the input end of the first conveyor belt, and the other end of the switching mechanism is disposed at the output beginning end of the second conveyor belt. The switching mechanism is used to transfer the electrode loading box from the input end of the first conveyor belt to the output beginning end of the second conveyor belt. The second transfer mechanism is used to transfer the cathode or anode sheet in the electrode loading box to the corresponding position on the diaphragm paper.

[0010] According to some embodiments of the present invention, the switching mechanism includes a transfer tray, a switching pusher, and a lower box pusher. The transfer tray is slidably connected to the base, and the switching pusher is disposed on the base. The switching pusher is used to drive the transfer tray to slide between the input end of the first conveyor belt and the output beginning of the second conveyor belt. The lower box pusher is disposed on the base. When the transfer tray is placed at the output beginning of the second conveyor belt, the lower box pusher is used to push the electrode loading box on the transfer tray to the second conveyor belt.

[0011] According to some embodiments of the present invention, the bending drive device includes a drive block and a drive rod. The drive block is slidably connected to the base in the left-right direction; the drive rod is slidably connected to the drive block in the front-back direction. After the drive rod extends out, it abuts against the push plate, so that when the drive block slides, it can drive the push plate to slide to bend the diaphragm paper to cover the anode sheet.

[0012] According to some embodiments of the present invention, the paper winding mechanism includes a winding needle, a support assembly, and a pressure roller assembly. A gap exists between the push plate and the support plate. The support assembly is connected to the mounting frame via a first elastic element and is disposed within the gap. The pressure roller assembly is connected to the mounting frame via a second elastic element and is disposed above the support assembly. Both the support assembly and the pressure roller assembly can slide vertically. The first elastic element and the second elastic element are respectively used to drive the support assembly and the pressure roller assembly closer together. A second connector is rotatably connected to the mounting frame. The second connector is drively connected to the winding needle, which is positioned between the support assembly and the pressure roller assembly. The second connector is used to drive the winding needle to rotate. The winding needle is used to press down on the diaphragm paper. The diaphragm paper, after folding, can wrap around the winding needle. The winding needle is used to roll the folded diaphragm paper into a core.

[0013] According to some embodiments of the present invention, the winding drive device includes a sliding support, a first connector, and a winding motor. The sliding support is slidably connected to the base in a front-rear direction; the first connector is rotatably connected to the sliding support, and the first connector is driven by the sliding support to connect to the second connector; the winding motor is disposed on the sliding support, and the winding motor is drively connected to the first connector, and the motor is used to drive the first connector and the second connector to rotate.

[0014] According to some embodiments of the present invention, the casing device includes a first conveying mechanism and an installation mechanism. Both the first conveying mechanism and the installation mechanism are disposed on the base. The installation mechanism is provided with a casing channel and a casing cylinder. The casing channel is axially corresponding to the winding needle. A core is wound on the winding needle. The discharge port of the first conveying mechanism is connected to the casing channel. The first conveying mechanism is used to convey the battery casing to the casing channel. The casing cylinder drives the battery casing in the casing channel to casing the core through a push rod.

[0015] According to some embodiments of the present invention, the feeding device includes a feeding channel and a second conveying mechanism. Both the feeding channel and the second conveying mechanism are disposed on the base. The feeding port of the feeding channel is connected to the winding needle. A feeding push rod is disposed on the mounting frame. The feeding push rod slides along the axial direction of the winding needle. The feeding push rod is used to push the core on the winding needle into the feeding channel. The core slides through the feeding channel to the second conveying mechanism. The second conveying mechanism is used to convey the core to a predetermined position.

[0016] Additional aspects and advantages of the invention 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 invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein: Figure 1 This is a schematic diagram of the structure of the cylindrical battery core packaging device according to an embodiment of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the structure of the cylindrical battery core packaging device according to an embodiment of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the winding device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 4 This is a schematic diagram of the separator paper feeding device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 5 This is a schematic diagram of the feeding device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 6 This is a schematic diagram of the bending drive device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 7 This is a schematic diagram of the winding drive device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 8 This is a schematic diagram of the casing device of the cylindrical battery core packaging equipment according to an embodiment of the present invention. Figure 9 This is a schematic diagram of the unloading device of the cylindrical battery core packaging equipment according to an embodiment of the present invention.

[0018] Icon labels: Base 100, rotating disk 200; Film winding device 300, mounting bracket 310, tray 311, second connector 312, and unloading push rod 313; Push plate 320, paper winding mechanism 330, winding needle 331, support assembly 332, first elastic element 332a, pressure roller assembly 333, second elastic element 333a; The diaphragm paper feeding device 400, storage tray 410, traction mechanism 420, traction roller 421, driving component 422, cutting mechanism 430, and first transfer mechanism 440 are included. Anode sheet feeding device 500a, cathode sheet feeding device 500b, first conveyor belt 510, second conveyor belt 520; Switching mechanism 530, transfer tray 531, switching pusher 532, lower box pusher 533, second transfer mechanism 540; Bending drive device 600, drive block 610, drive rod 620; The winding drive device 700, the sliding support 710, the first connector 720, and the winding motor 730 are included. The casing device 800, the first conveying mechanism 810, the installation mechanism 820, the casing channel 821, and the casing cylinder 822; The feeding device 900, the feeding channel 910, and the second conveying mechanism 920 are included. Detailed Implementation

[0019] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0020] In the description of this invention, the use of "first" and "second" is for the purpose of distinguishing technical features only, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or the order of the technical features indicated.

[0021] In the description of this invention, unless otherwise explicitly defined, terms such as "set up," "install," and "connect" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0022] Reference Figures 1 to 9 The present invention discloses a cylindrical battery core packaging device, including a base 100, a rotating disk 200 and a winding device 300, wherein the rotating disk 200 is rotatably mounted on the base 100.

[0023] Several paper winding devices 300 are provided, and the several paper winding devices 300 are evenly distributed in a circle around the edge of the rotating disk 200. The paper winding device 300 includes a mounting frame 310, a push plate 320, and a paper winding mechanism 330. A support plate 311 is provided on the right side of the mounting frame 310. The push plate 320 is slidably mounted on the mounting frame 310 in the left and right direction. The push plate 320 is located on the left side of the support plate 311. The push plate 320 and the support plate 311 are used to jointly support the diaphragm paper. The diaphragm paper on the support plate 311 is used to place the anode sheet. The pusher plate 320 is used to push the diaphragm paper on the pusher plate 320 to fold and cover the anode sheet. The folded diaphragm paper is used to place the cathode sheet. The paper winding mechanism 330 is set between the pusher plate 320 and the support plate 311. The paper winding mechanism 330 is used to roll the diaphragm paper after the anode sheet and cathode sheet are placed into a core. Several paper winding devices 300 distributed on the edge of the rotating disk 200 are evenly arranged according to the subsequent devices. The rotating disk 200 is controlled by a servo motor and performs intermittent temporary rotation according to the set position.

[0024] This equipment also includes a diaphragm paper feeding device 400, an anode sheet feeding device 500a, a bending drive device 600, a cathode sheet feeding device 500b, a winding drive device 700, a housing device 800, and a unloading device 900, all arranged in a ring around the rotating disk 200 and disposed on the base 100. The rotating disk 200 drives the winding device 300 to sequentially correspond to the diaphragm paper feeding device 400, the anode sheet feeding device 500a, the bending drive device 600, the cathode sheet feeding device 500b, the winding drive device 700, the housing device 800, and the unloading device 900. The diaphragm paper feeding device 400 is used to place the diaphragm paper feeding device 400 onto the push plate 320 and the tray 311. The separator paper and anode sheet feeding device 500a is used to place the anode sheet on the upper end of the separator paper on the tray 311. The bending drive device 600 is used to drive the push plate 320 to slide, so that the push plate 320 pushes and bends the separator paper to cover the anode sheet. The cathode sheet feeding device 500b is used to place the cathode sheet on the upper end of the bent separator paper and press the anode sheet. The winding drive device 700 is used to drive the paper winding mechanism 330 and provide paper winding power to the paper winding mechanism 330, so that the cathode sheet, separator paper and anode sheet are wound into a core. The casing device 800 is used to transport the battery casing and casing the battery casing onto the core.

[0025] The unloading device 900 is used to convey the battery casing with the core packaged out of the equipment and transport it to a predetermined position. Several winding devices are evenly distributed in a circle along the edge of the rotating disk. The rotating disk 200 has a separator paper feeding device 400, an anode sheet feeding device 500a, a bending drive device 600, a cathode sheet feeding device 500b, a winding drive device 700, and a casing device 800 arranged in a ring. Each of the separator paper feeding device 400, anode sheet feeding device 500a, bending drive device 600, cathode sheet feeding device 500b, winding drive device 700, and casing device 800 corresponds to one winding device. Through the cooperation of the above devices, the cylindrical battery core is packaged, which significantly improves the efficiency of cylindrical battery core packaging, while reducing the number of intermediate product transfers and manual intervention, effectively reducing the defect rate, and maintaining the consistency and reliability of the core forming and packaging process.

[0026] In some embodiments, refer to Figure 1 , Figure 2 and Figure 4 The diaphragm paper feeding device 400 includes a storage tray 410, a traction mechanism 420, a cutting mechanism 430, and a first transfer mechanism 440. The storage tray 410, traction mechanism 420, cutting mechanism 430, and first transfer mechanism 440 are all mounted on the base 100. The storage tray 410 stores the diaphragm paper. The traction mechanism 420 pulls the diaphragm paper from the storage tray 410 to the cutting mechanism 430, which cuts the diaphragm paper into suitable sizes. The first transfer mechanism 440 transfers the cut diaphragm paper to the winding device 300 to cover the push plate 320 and the tray 311. Multiple storage trays 410 can be used; in this embodiment, the storage tray 410... The device is configured with two storage trays 410, each containing a diaphragm paper. The diaphragm paper is pulled to the cutting mechanism 430 via a traction mechanism 420. The cutting mechanism 430 is a cutting blade that cuts the diaphragm paper into a suitable size for processing and places it in a designated position. The cutting mechanism 430 may also be equipped with a saw blade or saw arm for cutting. The first transfer mechanism 440 is a conventional two-axis moving device. The first transfer mechanism 440 is equipped with an adsorption mechanism that transfers the diaphragm paper from the cutting mechanism 430 to the push plate 320 and the tray 311 corresponding to the diaphragm paper feeding device 400 via the adsorption mechanism, and covers the push plate 320 and the tray 311.

[0027] In some embodiments, refer to Figure 1 , Figure 2 and Figure 5The traction mechanism 420 includes traction rollers 421 arranged opposite each other in the vertical direction. The traction rollers 421 are rotatably connected to the base 100. There is a gap between the two traction rollers 421 for the passage of the diaphragm paper. The two traction rollers 421 are connected by gear transmission. One of the traction rollers 421 is connected to a drive member 422 by gear transmission. The drive member 422 is used to drive the corresponding gear to rotate, thereby driving the two traction rollers 421 to rotate and causing the diaphragm paper to be pulled. The traction rollers 421 are two gears arranged opposite each other. The two traction rollers 421 are connected by gears. The drive member 422 is a motor. The motor drives the lower gear to rotate, which in turn drives the upper gear to rotate, thereby causing the diaphragm paper to be pulled and conveyed to the left. It should be understood that the left, right, front and back positional relationships described in this embodiment are only applicable to this embodiment and are not applicable to other devices.

[0028] In some embodiments, refer to Figure 1 , Figure 2 and 6Both the cathode loading device 500b and the anode loading device 500a include a first conveyor belt 510, a second conveyor belt 520, a switching mechanism 530, and a second transfer mechanism 540. The first conveyor belt 510, the second conveyor belt 520, the switching mechanism 530, and the second transfer mechanism 540 are all mounted on the base 100. The first conveyor belt 510 is used to input the electrode loading box, and the second conveyor belt 520 is used to output the electrode loading box. The electrode loading box is used to hold cathode or anode sheets. One end of the switching mechanism 530 is located at the input end of the first conveyor belt 510, and the other end is located at the output beginning of the second conveyor belt 520. The switching mechanism 530 is used to transfer the electrode loading box from the input end of the first conveyor belt 510 to the output beginning of the second conveyor belt 520. The second transfer mechanism 540 is used to transfer the cathode or anode sheets in the electrode loading box to the corresponding positions on the separator paper. It should be noted that the structures of the cathode loading device 500b and the anode loading device 500a... The components are identical. All features described below are only descriptions of one of the cathode loading device 500b and anode loading device 500a. The first conveyor belt 510 and the second conveyor belt 520 are arranged side by side. The conveying direction of the first conveyor belt 510 is close to the winding device 300 corresponding to the cathode loading device 500b and the anode loading device 500a. The conveying direction of the second conveyor belt 520 is away from the winding device 300 corresponding to the cathode loading device 500b and the anode loading device 500a. The electrode loading box is conveyed by the first conveyor belt 510 to the input end of the first conveyor belt 510. Both the cathode loading device 500b and the anode loading device 500a are provided with a two-axis moving system. The two-axis moving system is provided with an adsorption mechanism. The adsorption device is used to adsorb the anode and cathode plates loaded in the electrode loading box at the input end of the first conveyor belt 510, and convey the anode and cathode plates to the corresponding push plate 320 and tray 311 through the two-axis moving system.

[0029] In some embodiments, the switching mechanism 530 includes a transfer tray 531, a switching pusher 532, and a lower box pusher 533. The transfer tray 531 is slidably connected to the base 100. The switching pusher 532 is disposed on the base 100 and is used to drive the transfer tray 531 to slide between the input end of the first conveyor belt 510 and the output beginning of the second conveyor belt 520. The lower box pusher 533 is disposed on the base 100 and is used to move the transfer tray 531 between the input end of the first conveyor belt 510 and the output beginning of the second conveyor belt 520 when the transfer tray 531 is placed at the output beginning of the second conveyor belt 520. The electrode loading box on 531 is pushed to the second conveyor belt 520. The transfer tray 531 is used to transport the electrode loading box. After the electrodes in the electrode loading box located at the input end of the first conveyor belt 510 are used up, the switching pusher 532 pushes the transfer tray 531 to transfer the empty electrode loading box to the output end of the second conveyor belt 520. The switching pusher 532 is a conventional cylinder. The lower box pusher 533 pushes the electrode loading box located at the output end of the second conveyor belt 520 onto the second conveyor belt 520 and conveys it to the predetermined position. The lower box pusher 533 is driven by a conventional cylinder.

[0030] In some embodiments, the bending drive device 600 includes a drive block 610 and a drive rod 620. The drive block 610 is slidably connected to the base 100 in the left-right direction. The drive rod 620 is slidably connected to the drive block 610 in the front-back direction. After the drive rod 620 slides out, it abuts against the push plate 320, so that when the drive block 610 slides, it can drive the push plate 320 to slide to bend the diaphragm paper to cover the anode sheet. The anode sheet is located on the side of the diaphragm paper near the support plate 311. The drive block 610 slides in the left-right direction, thereby driving the drive rod 620 to slide in the left-right direction. The output end of the drive rod 620 is connected to the push plate 320, and the push plate 320 covers the anode sheet with the diaphragm paper located on the push plate 320.

[0031] In some embodiments, the paper winding mechanism 330 includes a winding needle 331, a support assembly 332, and a pressure roller assembly 333. A gap exists between the push plate 320 and the support plate 311. The support assembly 332 is connected to the mounting frame 310 via a first elastic member 332a and is disposed within the gap. The pressure roller assembly 333 is connected to the mounting frame 310 via a second elastic member 333a and is disposed above the support assembly 332. Both the support assembly 332 and the pressure roller assembly 333 can slide vertically. The first elastic member... The second elastic member 332a and the second elastic member 333a are respectively used to drive the support assembly 332 and the pressure roller assembly 333 to move closer to each other. The second connector 312 is rotatably connected to the mounting bracket 310. The second connector 312 is connected to the winding needle 331. The winding needle 331 is placed between the support assembly 332 and the pressure roller assembly 333. The second connector 312 is used to drive the winding needle 331 to rotate. The winding needle 331 is used to press the diaphragm paper. After the diaphragm paper is folded, it can wrap the winding needle 331. The winding needle 331 is used to roll the folded diaphragm paper into a core.

[0032] In some embodiments, the winding drive device 700 includes a sliding support 710, a first connector 720, and a winding motor 730. The sliding support 710 is slidably connected to the base 100 in the front-rear direction; the first connector 720 is rotatably connected to the sliding support 710, and the first connector 720 is driven by the sliding support 710 to connect to the second connector 312; the winding motor 730 is disposed on the sliding support 710, and the winding motor 730 is drively connected to the first connector 720, and the motor is used to drive the first connector 720 and the second connector 312 to rotate.

[0033] In some embodiments, the casing device 800 includes a first conveying mechanism 810 and an installation mechanism 820. Both the first conveying mechanism 810 and the installation mechanism 820 are disposed on the base 100. The installation mechanism 820 is provided with a casing channel 821 and a casing cylinder 822. The casing channel 821 is axially corresponding to the winding needle 331. A core is wound on the winding needle 331. The discharge port of the first conveying mechanism 810 is connected to the casing channel 821. The first conveying mechanism 810 is used to convey the battery casing to the casing channel 821. The casing cylinder 822 drives the battery casing in the casing channel 821 through a push rod to casing the core.

[0034] In some embodiments, the feeding device 900 includes a feeding channel 910 and a second conveying mechanism 920. Both the feeding channel 910 and the second conveying mechanism 920 are disposed on the base 100. The feeding port of the feeding channel 910 is connected to the winding needle 331. A feeding push rod 313 is disposed on the mounting frame 310. The feeding push rod 313 slides along the axial direction of the winding needle 331. The feeding push rod 313 is used to push the core on the winding needle 331 into the feeding channel 910. The core slides through the feeding channel 910 to the second conveying mechanism 920. The second conveying mechanism 920 is used to convey the core to a predetermined position.

[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above 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.

[0036] Of course, the present invention is not limited to the above-described embodiments. Those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the present invention. All such equivalent modifications or substitutions are included within the scope defined by the claims of this application.

Claims

1. A cylindrical battery core packaging device, characterized in that, Including the base (100): A rotating disk (200) is rotatably mounted on the base (100); A plurality of paper winding devices (300) are provided, and the plurality of paper winding devices (300) are evenly distributed circumferentially around the edge of the rotating disk (200). Each paper winding device (300) includes a mounting frame (310), a push plate (320), and a paper winding mechanism (330). A support plate (311) is provided on the right side of the mounting frame (310), and the push plate (320) is slidably disposed on the mounting frame (310) in the left-right direction. The push plate (320) is disposed on the left side of the support plate (311). The push plate (320) and the tray plate (311) are used to support the diaphragm paper together. The diaphragm paper on the tray plate (311) is used to place the anode sheet. The push plate (320) is used to push the diaphragm paper on the push plate (320) to fold and cover the anode sheet. The folded diaphragm paper is used to place the cathode sheet. The paper winding mechanism (330) is located between the push plate (320) and the tray plate (311). The paper winding mechanism (330) is used to wind the diaphragm paper after placing the anode sheet and the cathode sheet into a core. The device arranged on the base (100) and arranged in a ring around the rotating disk (200) are a diaphragm paper feeding device (400), an anode sheet feeding device (500a), a bending drive device (600), a cathode sheet feeding device (500b), a winding drive device (700), a housing device (800), and a discharging device (900). The rotating disk (200) drives the winding device (300) to correspond sequentially to the diaphragm paper feeding device (400), the anode sheet feeding device (500a), the bending drive device (600), the cathode sheet feeding device (500b), the winding drive device (700), the housing device (800), and the discharging device (900). The diaphragm paper feeding device (400) is used to place diaphragm paper onto the push plate (320) and the tray (311). The anode sheet feeding device (500a) is used to... The anode sheet is placed on the upper end of the separator paper on the tray (311). The bending drive device (600) is used to drive the push plate (320) to slide, so that the push plate (320) pushes and bends the separator paper to cover the anode sheet. The cathode sheet feeding device (500b) is used to place the cathode sheet on the upper end of the bent separator paper and press the anode sheet. The winding drive device (700) is used to drive the paper winding mechanism (330) and provide paper winding power to the paper winding mechanism (330), so that the cathode sheet, separator paper and anode sheet are wound into a core. The casing device (800) is used to transport the battery casing and put the battery casing on the core. The unloading device (900) is used to convey the battery casing with the core in place out of the equipment and transport it to a predetermined position.

2. The cylindrical battery core-loading device according to claim 1, characterized in that, The diaphragm paper feeding device (400) includes a storage tray (410), a traction mechanism (420), a cutting mechanism (430), and a first transfer mechanism (440). The storage tray (410), the traction mechanism (420), the cutting mechanism (430), and the first transfer mechanism (440) are all disposed on the base (100). The storage tray (410) is used to store diaphragm paper. The traction mechanism (420) is used to pull the diaphragm paper on the storage tray (410) to the cutting mechanism (430). The cutting mechanism (430) is used to cut the diaphragm paper into a size suitable for processing. The first transfer mechanism (440) is used to transfer the cut diaphragm paper to the winding device (300) to cover the push plate (320) and the tray (311).

3. The cylindrical battery core-loading device according to claim 2, characterized in that, The traction mechanism (420) includes traction rollers (421) arranged opposite each other in the vertical direction. The traction rollers (421) are rotatably connected to the base (100). There is a gap between the two traction rollers (421) for the passage of the diaphragm paper. The two traction rollers (421) are connected by gear transmission. One of the traction rollers (421) is connected to a drive member (422) by gear transmission. The drive member (422) is used to drive the corresponding gear to rotate, thereby driving the two traction rollers (421) to rotate so that the diaphragm paper is pulled.

4. The cylindrical battery core-loading device according to claim 1, characterized in that, Both the cathode loading device (500b) and the anode loading device (500a) include a first conveyor belt (510), a second conveyor belt (520), a switching mechanism (530), and a second transfer mechanism (540). The first conveyor belt (510), the second conveyor belt (520), the switching mechanism (530), and the second transfer mechanism (540) are all mounted on the base (100). The first conveyor belt (510) is used to input the electrode loading box, and the second conveyor belt (520) is used to output the electrode loading box. The electrode loading box is used to hold cathode or anode plates. One end of the switching mechanism (530) is located at the input end of the first conveyor belt (510), and the other end of the switching mechanism (530) is located at the output end of the second conveyor belt (520). The switching mechanism (530) is used to transfer the electrode loading box from the input end of the first conveyor belt (510) to the output end of the second conveyor belt (520). The second transfer mechanism (540) is used to transfer the cathode or anode plates in the electrode loading box to the corresponding positions on the diaphragm paper.

5. The cylindrical battery core-loading device according to claim 4, characterized in that, The switching mechanism (530) includes a transfer tray (531), a switching pusher (532), and a lower box pusher (533). The transfer tray (531) is slidably connected to the base (100). The switching pusher (532) is disposed on the base (100). The switching pusher (532) is used to drive the transfer tray (531) to slide between the input end of the first conveyor belt (510) and the output beginning end of the second conveyor belt (520). The lower box pusher (533) is disposed on the base (100). When the transfer tray (531) is placed at the output beginning end of the second conveyor belt (520), the lower box pusher (533) is used to push the electrode loading box on the transfer tray (531) to the second conveyor belt (520).

6. The cylindrical battery core-casing equipment according to claim 1, characterized in that, The bending drive device (600) includes: The drive block (610) is slidably connected to the base (100) in the left-right direction. A drive rod (620) is slidably connected to the drive block (610) in the front-back direction. After the drive rod (620) slides out, it is used to abut against the push plate (320) so that when the drive block (610) slides, it can drive the push plate (320) to slide to bend the diaphragm paper to cover the anode sheet.

7. The cylindrical battery core-loading device according to claim 1, characterized in that, The paper winding mechanism (330) includes a winding needle (331), a support assembly (332), and a pressure roller assembly (333). A gap exists between the push plate (320) and the support plate (311). The support assembly (332) is connected to the mounting frame (310) via a first elastic element (332a). The support assembly (332) is disposed within the gap. The pressure roller assembly (333) is connected to the mounting frame (310) via a second elastic element (333a). The pressure roller assembly (333) is disposed above the support assembly (332). Both the support assembly (332) and the pressure roller assembly (333) can slide vertically. The first elastic element (332a)... 2a) and the second elastic element (333a) are respectively used to drive the support assembly (332) and the pressure roller assembly (333) to move closer to each other. The mounting bracket (310) is rotatably connected to the second connector (312), which is connected to the winding needle (331). The winding needle (331) is placed between the support assembly (332) and the pressure roller assembly (333). The second connector (312) is used to drive the winding needle (331) to rotate. The winding needle (331) is used to press the diaphragm paper. After the diaphragm paper is folded, it can wrap the winding needle (331). The winding needle (331) is used to roll the folded diaphragm paper into a core.

8. The cylindrical battery core-loading device according to claim 7, characterized in that, The winding drive unit (700) includes: A sliding support (710) is slidably connected to the base (100) in the front-back direction. The first connector (720) is rotatably connected to the sliding support (710), and the first connector (720) is driven by the sliding support (710) to connect to the second connector (312). A winding motor (730) is disposed on the sliding support (710). The winding motor (730) is connected to the first connector (720) and is used to drive the first connector (720) and the second connector (312) to rotate.

9. The cylindrical battery core-loading device according to claim 8, characterized in that, The casing device (800) includes a first conveying mechanism (810) and an installation mechanism (820). Both the first conveying mechanism (810) and the installation mechanism (820) are mounted on the base (100). The installation mechanism (820) is provided with a casing channel (821) and a casing cylinder (822). The casing channel (821) is axially corresponding to the winding needle (331). A core is wound on the winding needle (331). The discharge port of the first conveying mechanism (810) is connected to the casing channel (821). The first conveying mechanism (810) is used to convey the battery casing to the casing channel (821). The casing cylinder (822) drives the battery casing in the casing channel (821) to cover the core through a push rod.

10. A cylindrical battery core-casing device according to claim 9, characterized in that, The feeding device (900) includes a feeding channel (910) and a second conveying mechanism (920). Both the feeding channel (910) and the second conveying mechanism (920) are mounted on the base (100). The feed inlet of the feeding channel (910) is connected to the winding needle (331). A feeding push rod (313) is provided on the mounting frame (310). The feeding push rod (313) slides along the axial direction of the winding needle (331). The feeding push rod (313) is used to push the core on the winding needle (331) into the feeding channel (910). The core slides through the feeding channel (910) to the second conveying mechanism (920). The second conveying mechanism (920) is used to convey the core to a predetermined position.

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