A cylindrical battery positive and negative electrode integrated shell cover preparation device

Abstract

The present invention relates to the technical field of battery accessory production equipment, and more particularly to equipment for preparing integrated positive and negative electrode covers for cylindrical batteries. The equipment comprises a frame, a circular cover unit, a tab glue unit, and a boss cover unit. The circular cover unit is used to unload a circular cover roll, the tab glue unit is used to unload a tab glue roll, and the boss cover unit is used to unload a tab cover roll. The frame is provided with a first die-cutting assembly for die-cutting the tab cover roll, and a second die-cutting assembly for die-cutting the tab glue roll. The frame is provided with a conveyor for conveying the die-cut tab cover and tab glue to the circular cover, a traction assembly for pulling the circular cover roll, a heater for preheating the circular cover, and a pressing member for pressing the circular cover, tab glue, and boss cover together. The present invention improves product quality and increases automated production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of battery accessory production equipment, and in particular to equipment for preparing integrated positive and negative electrode shells and covers for cylindrical batteries. Background Art

[0002] A battery is a device that converts chemical energy into electrical energy. It contains an electrolyte solution and metal electrodes to generate an electric current. It has a positive electrode and a negative electrode. Using batteries as an energy source, they provide a stable voltage and current, providing long-term, stable power supply with minimal external influences. Batteries also feature a simple structure, are easy to carry, and are simple to charge and discharge. They are unaffected by climate and temperature, and offer reliable and stable performance, making them crucial in every aspect of modern life.

[0003] With the development and progress of science and technology, numerous electronic products have been widely used in all aspects of life, such as electronic wearables, toys, power tools and electric vehicles, and these electronic products generally need to be powered by batteries. The existing cylindrical battery shell cover preparation equipment generally adopts independent molding, first preparing the upper shell cover and the lower shell cover separately, and then bonding the upper shell cover and the lower shell cover into one body through the ear glue. Due to the following problems in the bonding and composite preparation process of the scattered upper shell cover and the lower shell cover: the surface of the scattered parts is easily scratched during packaging; the scattered parts are difficult to grasp and install, and are prone to poor positioning, resulting in uneven product quality; automation is difficult to achieve and the cost is high; therefore, a device is needed to produce shell covers efficiently and with high quality. Summary of the Invention

[0004] In view of the problems of the prior art, the present invention provides a cylindrical battery positive and negative electrode integrated shell cover preparation device, which aims to solve the technical problems of the prior art.

[0005] The present invention provides an apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery, which adopts the following technical solutions:

[0006] A device for preparing integrated positive and negative electrode shell covers for cylindrical batteries, comprising a frame, a circular shell cover unit, a tab glue unit and a boss shell cover unit arranged on the frame, the circular shell cover unit being used for unloading the circular shell cover material roll, the tab glue unit being used for unloading the tab glue material roll, and the boss shell cover unit being used for unloading the tab shell cover material roll, the frame being provided with a first die-cutting component for die-cutting the tab shell cover material strip, and a second die-cutting component for die-cutting the tab glue material strip, the frame being provided with a conveying part for conveying the die-cut boss shell cover and tab glue to the circular shell cover, the frame being provided with a traction component for pulling the circular shell cover material roll, the frame being provided with heaters for preheating the circular shell cover and pressing parts for pressing the circular shell cover, tab glue and boss shell cover in sequence along the conveying direction of the circular shell cover material strip.

[0007] Preferably, the first die-cutting assembly includes a die-cutting punch provided on the frame, and a driving member for driving the die-cutting punch to move, and the second die-cutting assembly includes a first laser cutter provided on the frame.

[0008] Preferably, the second die-cutting assembly includes a die-cutting knife arranged on the frame, and a moving part for driving the die-cutting knife.

[0009] Preferably, the conveying member includes a robotic arm arranged on the frame, and the robotic arm removes the cut boss shell cover and the tab glue and places them on the annular shell cover.

[0010] Preferably, the traction assembly includes a traction wheel rotatably arranged on the frame, and a traction motor for driving the traction wheel to rotate, a plurality of protrusions are circumferentially arranged on the circumferential surface of the traction wheel, and a plurality of positioning holes are spaced apart along the length direction on the annular shell cover strip and the boss shell cover strip, and the protrusions are plugged into the positioning holes.

[0011] Preferably, the pressing part is a high-frequency welding machine and a hot press, or a combination of the two.

[0012] Preferably, a receiving roller is provided on the frame, and a receiving motor is provided on the frame for driving the receiving roller to rotate. The annular shell cover material strip after processing is collected on the receiving roller. A plurality of detectors are provided on the frame, and the plurality of detectors are respectively used to detect the concentricity, thickness and whether there is a short circuit of the annular shell cover after processing.

[0013] Preferably, a tray is provided on the frame, a mounting seat is slidably connected to the frame, a horizontal motor is provided on the frame, the output shaft of the horizontal motor is connected to a screw rod, the screw rod is threadedly connected to the mounting seat, a lifting cylinder is provided on the mounting seat, a suction cup is provided on the piston rod of the lifting cylinder, the suction cup is used to suck the cut annular shell cover onto the tray, a cutting piece for cutting the annular shell cover material strip is provided on the frame, the cutting piece includes a cutting knife provided on the frame, a cutting cylinder is provided on the frame, the cutter is located on the piston rod of the cutting cylinder, and the annular shell cover material strip passes through the cutting knife.

[0014] Preferably, the cutting piece includes a second laser cutter arranged on the frame.

[0015] Preferably, the frame is provided with a waste collecting device for collecting waste tab rubber tape and waste boss shell cover material tape, the waste collecting device includes a waste roller arranged on the frame, and a waste motor for driving the waste roller to rotate, and the waste tab rubber tape and waste boss shell cover material tape are wound onto the waste roller.

[0016] In summary, the present invention includes at least one of the following beneficial technical effects.

[0017] The feeding motor works to unload the tab rubber roll, the receiving motor works to unload the annular shell cover material roll, the unloading motor works to unload the boss shell cover material roll, and then the laser cutter cuts the tab rubber from the tab rubber tape, the robotic arm moves the tab rubber to the annular shell cover, the hot press presses the tab rubber and the annular shell cover together, and then the die-cutting punch cuts the boss shell cover from the boss shell cover material tape, the robotic arm moves the boss shell cover to the annular shell cover, and the high-frequency welding machine welds the boss shell cover to the annular shell cover through the tab rubber, so that the product can be obtained. The entire production process has a high degree of automation and high production positioning accuracy, and avoids the scattered situation of scattered parts, making the scattered parts not easily scratched, thereby improving the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0019] Figure 2 It is a front schematic diagram of the present invention.

[0020] Figure 3 It is a top view of the present invention.

[0021] Figure 4 It is a side schematic diagram of the present invention.

[0022] Figure 5 for Figure 1 Enlarged schematic diagram of part A.

[0023] Figure 6 for Figure 1 Schematic diagram of the enlarged portion B.

[0024] In the figure: 1. Controller; 2. Frame; 21. Slitting Cylinder; 22. Pallet; 23. Horizontal Motor; 231. Mounting Base; 232. Lifting Cylinder; 24. Tension Wheel; 25. Scrap Motor; 251. Scrap Roller; 3. Ring Cover Unit; 31. Heater; 4. Tab Glue Unit; 41. Laser Cutter; 5. Hot Press; 6. Boss Cover Unit; 61. Die-cutting Cylinder; 62. Leveling Cylinder; 621. Leveling Block; 7. High-frequency Welding Machine; 8. Traction Assembly; 9. Detector; 10. Receiving Tray. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-6 The present invention is described in further detail.

[0026] Example 1: Example 1 of the present invention discloses a cylindrical battery positive and negative electrode integrated shell cover preparation device, such as Figure 1-6 As shown, it includes a frame 2, a controller 1 arranged on the frame 2, a ring shell cover unit 3 arranged on the frame 2, a tab glue unit 4 and a boss shell cover unit 6, the controller 1 is electrically connected to the electrical components on the frame 2, the tab glue unit 4 includes a feed roller rotated along the horizontal direction and carried on the frame 2, and a feed motor fixedly installed on the frame 2 along the horizontal direction, the output shaft of the feed motor is fixedly connected to the feed roller, and a tab glue roll is placed on the feed roller, and the tab glue roll is wound by the tab glue tape. When the feed motor works, the feed roller and the tab glue roll are driven to rotate, and the tab glue roll releases the material to enter the next process; the boss shell cover unit 6 includes a discharge roller rotated along the horizontal direction and carried on the frame 2, and a feed motor fixedly installed on the frame 2 along the horizontal direction. The unloading motor is fixedly mounted on the frame 2 in the horizontal direction. The output shaft of the unloading motor is connected to the unloading roller. The unloading roller is equipped with a boss shell cover material roll. The boss shell cover material roll is wound with a boss shell cover material belt. When the unloading motor is working, it drives the unloading roller and the boss shell cover material roll to rotate. The boss shell cover material roll releases the material and enters the next process. The annular shell cover unit 3 includes a receiving roller that rotates on the frame 2 in the horizontal direction and a receiving motor that is fixedly mounted on the frame 2 in the horizontal direction. The output shaft of the receiving motor is connected to the receiving roller. The receiving roller is equipped with a ring shell cover material roll. The ring shell cover material roll is wound with a ring shell cover material belt. When the receiving motor is working, it drives the receiving roller and the ring shell cover material roll to rotate. The ring shell cover material roll releases the material and enters the next process. In addition, the receiving roller, feed roller and unloading roller are all arranged parallel to each other. In addition, in order to maintain the stability of the tension of the annular shell cover material belt, the boss shell cover material belt and the tab rubber belt during the transportation process, a plurality of tension wheels 24 are rotatably carried on the frame 2, and the tab rubber belt, the boss shell cover material belt and the annular shell cover material belt are all wound around the tension wheels 24.

[0027] The frame 2 is provided with a first die-cutting assembly for die-cutting the boss shell cover material strip. Specifically, the first die-cutting assembly includes a die-cutting punch provided on the frame, and a driving member for driving the die-cutting punch to move. The driving member can be a die-cutting cylinder, a die-cutting motor and a die-cutting wire rod, or a combination of a die-cutting motor and a cam connecting rod. When the driving member is a die-cutting cylinder, the die-cutting cylinder is fixedly mounted on the frame 2 in the vertical direction, and the die-cutting punch is fixedly mounted on the piston rod of the die-cutting cylinder. The boss shell cover material strip is located directly below the die-cutting punch. When the boss shell cover material passes through the die-cutting punch, the die-cutting cylinder 61 The piston rod is extended to drive the die-cutting punch to die-cut the boss shell cover material, and the boss shell cover is cut off from the boss shell cover material; when the driving component is a combination of a die-cutting motor and a die-cutting screw, the die-cutting motor is fixedly mounted on the frame 2 in the vertical direction, the die-cutting screw is coaxially fixedly connected to the output shaft of the die-cutting motor, the die-cutting punch is slidably connected to the frame, and the die-cutting screw is threadedly connected to the die-cutting punch. When the boss shell cover material passes through the die-cutting punch, the die-cutting motor drives the die-cutting screw to rotate, and the die-cutting screw drives the punch to die-cut the boss shell cover material, and the boss shell cover is cut off from the boss shell cover material. When the driving component is a combination of a die-cutting motor and a cam connecting rod, the die-cutting motor is fixedly mounted on the frame, the cam is fixedly mounted on the output shaft of the die-cutting motor, the connecting rod is slidably connected to the frame, and the die-cutting punch is fixedly mounted on one end of the connecting rod. When the die-cutting motor works to drive the cam to rotate, the cam drives the connecting rod to reciprocate up and down, thereby causing the die-cutting punch to die-cut the boss shell cover material.

[0028] In addition, a leveling cylinder 62 is provided on the frame 2, and the leveling cylinder 62 is located between the die-cutting cylinder 61 and the unloading roller. A leveling block 621 is fixedly installed on the piston rod of the leveling cylinder 62, and the leveling block 621 is located directly above the boss shell cover material strip. When the boss shell cover material strip passes through the leveling block 621, the leveling cylinder 62 drives the leveling block 621 to press against the boss shell cover material strip, thereby leveling the boss shell cover material strip and improving the die-cutting quality.

[0029] The frame 2 is provided with a second die-cutting assembly for die-cutting the tab tape. Specifically, the second die-cutting assembly includes a first laser cutter 41 fixedly mounted on the frame 2. The tab tape passes through the first laser cutter 41. The first laser cutter 41 operates to cut the tab adhesive from the tab tape. In addition, the frame 2 is provided with a waste collection device for collecting waste tab tape and waste boss shell cover tape. Specifically, the waste collection device includes a waste roller 251 that rotates horizontally and is carried on the frame 2, and a waste motor 25 that is fixedly mounted horizontally on the frame 2. The waste motor 25 is connected to the waste roller 251 via a belt. The die-cut tab tape waste and boss shell cover tape waste are wound onto the waste roller 251.

[0030] The frame 2 is provided with a conveying part for conveying the die-cut boss shell cover and the tab glue to the annular shell cover. Specifically, the conveying part includes a robotic arm fixedly installed on the frame 2. The robotic arm can have two removal methods. When the robotic arm is installed with a clamp, the robotic arm conveys the boss shell cover and the tab glue by clamping; when the robotic arm is installed with an adsorber, the robotic arm conveys the boss shell cover and the tab glue by suction; after the boss shell cover and the tab glue are die-cut, the robotic arm removes the die-cut boss shell cover and the tab glue and places them on the annular shell cover for subsequent processing. Heaters 31 for preheating the annular shell cover are arranged in sequence on the frame 2 along the conveying direction of the annular shell cover material strip. The annular shell cover material strip passes through the heater 31, as well as a pressing part for pressing the annular shell cover, the ear glue and the boss shell cover. Specifically, the pressing part can be one or a combination of two of the high-frequency welding machine 7 and the hot press 5. In this embodiment, the pressing part is preferably a combination of the high-frequency welding machine 7 and the hot press 5. When the annular shell cover material strip is conveyed to the heater 31, the heater 31 first preheats the annular shell cover, and then the robotic arm moves the ear glue to the annular shell cover, and then the ear glue and the annular shell cover are moved to the hot press 5, and the hot press 5 hot presses the ear glue and the annular shell cover together, and then the robotic arm places the boss shell cover on the hot-pressed ear glue and the annular shell cover. When passing through the high-frequency welding machine 7, the high-frequency welding machine 7 high-frequency welds the boss shell cover and the annular shell cover together, thereby obtaining a positive and negative integrated shell cover material strip with multiple positive and negative integrated shell covers connected together.

[0031] At the same time, in order to ensure that the ring shell cover material belt always remains stable during the conveying process, a traction assembly 8 for pulling the ring shell cover material belt is provided on the frame 2. Specifically, the traction assembly 8 includes a traction wheel that rotates and is carried on the frame 2 in the horizontal direction, and a traction motor that is fixedly installed on the frame 2 in the horizontal direction. The output shaft of the traction motor is coaxially fixedly connected to the traction wheel. A plurality of protrusions are provided at intervals on the circumferential surface of the traction wheel. A plurality of positioning holes are provided at intervals on the opposite sides of the ring shell cover material belt along its length. The protrusions and the positioning holes are plugged into and matched. When the traction motor works, it drives the traction wheel to rotate. The protrusions on the traction wheel are plugged into the positioning holes. Then, the traction wheel rotates, and the interaction between the protrusions and the positioning holes can drive the ring shell cover material belt to move. In addition, a plurality of positioning holes are also provided on the boss shell cover material belt, which can facilitate the subsequent processing of the boss shell cover material belt.

[0032] In addition, in order to detect product quality, multiple detectors 9 are provided on the frame 2. In this embodiment, the multiple detectors are a concentricity tester, a thickness tester and a short circuit tester. The concentricity tester is used to detect the concentricity of the positive and negative integrated shell covers, the thickness tester is used to detect the thickness of the positive and negative integrated shell covers, and the short circuit tester is used to detect whether the positive and negative integrated shell covers are short-circuited.

[0033] In addition, in order to collect the positive and negative pole integrated shell cover material strips, the frame 2 rotates in the horizontal direction and carries a receiving roller. A receiving motor is fixedly installed in the horizontal direction on the frame 2. The output shaft of the receiving motor is coaxially fixedly connected to the receiving roller. A receiving tray 10 is placed on the receiving roller. The positive and negative pole integrated shell cover material strips are arranged on the receiving tray 10. The receiving motor drives the receiving tray 10 to rotate, and the receiving tray 10 winds up the positive and negative pole integrated shell cover material strips.

[0034] In addition, this embodiment also provides another way to collect products. Specifically, a slitting piece for slitting the positive and negative integrated shell cover material strips is provided on the frame. Specifically, the slitting piece includes a cutter provided on the frame. In order to drive the cutter to move, a slitting cylinder or a combination of a slitting motor and a slitting wire rod is installed on the frame. When the slitting cylinder drives the cutter to move, the slitting cylinder is fixedly mounted on the frame in a vertical direction, and the cutter is fixedly mounted on the piston rod of the slitting cylinder. The cutter is located directly above the positive and negative integrated shell cover material strips, and the positive and negative integrated shell cover material strips pass through the cutter. The slitting cylinder drives the cutter to cut the positive and negative electrode integrated shell cover material strip, cutting the positive and negative electrode integrated shell cover from the positive and negative electrode integrated shell cover material strip; when the slitting motor driving the cutter moves is combined with the slitting wire rod, the cutter is slidably connected to the frame, the slitting motor is fixedly mounted on the frame in the vertical direction, the slitting wire rod is coaxially fixedly connected to the output shaft of the slitting motor, and the slitting wire rod is threadedly connected to the cutter. When the slitting motor is working, the slitting wire rod rotates, and the slitting wire rod drives the cutter to die-cut the positive and negative electrode integrated shell cover material strip, cutting the positive and negative electrode integrated shell cover from the positive and negative electrode integrated shell cover material strip. A tray 22 is provided on the frame 2. The tray 22 is a plate-shaped tray with a plurality of rectangular grids on its surface. The grids are used to place the positive and negative electrode integrated shell covers. At the same time, in order to remove the positive and negative integrated shell covers to the tray 22, the frame 2 is connected to a mounting seat 231 for sliding movement in the horizontal direction, and a horizontal motor 23 is fixedly installed on the frame 2 in the horizontal direction. The output shaft of the horizontal motor 23 is coaxially fixedly connected to a screw rod, and the screw rod is threadedly connected to the mounting seat 231. A lifting cylinder 232 is fixedly installed on the mounting seat 231 in the vertical direction, and a suction cup is fixedly installed on the piston rod of the lifting cylinder 232, and the suction cup is located directly above the positive and negative integrated shell cover material strip. When the positive and negative integrated shell cover material strip is cut, the horizontal motor 23 works to drive the screw rod to rotate, and the screw rod drives the mounting seat 231 to move onto the positive and negative integrated shell cover material strip, and then the lifting cylinder 232 drives the suction cup to absorb the annular shell cover, and then the horizontal motor 23 drives the suction cup to move to directly above the tray 22, and the lifting cylinder 232 drives the suction cup to place the annular shell cover into the grid of the tray 22. In addition, after the positive and negative electrode integrated shell covers are cut off from the positive and negative electrode integrated shell cover material strips, the generated positive and negative electrode integrated shell cover material strip waste is wound onto the receiving tray 10, thereby realizing the collection of the waste.

[0035] The implementation principle of the cylindrical battery positive and negative electrode integrated shell cover preparation equipment of the embodiment of the present invention is: the feeding motor works to unload the pole ear glue roll, the receiving motor works to unload the annular shell cover material roll, and the unloading motor works to unload the boss shell cover material roll, and then the laser cutter 41 cuts the pole ear glue from the pole ear glue tape, the robotic arm moves the pole ear glue to the annular shell cover, the hot press 5 hot presses the pole ear glue and the annular shell cover together, and then the die-cutting punch cuts the boss shell cover from the boss shell cover material tape, the robotic arm moves the boss shell cover to the annular shell cover, and the high-frequency welding machine 7 welds the boss shell cover to the annular shell cover through the pole ear glue, thereby obtaining the product. The entire production process has a high degree of automation and high production positioning accuracy, and avoids the scattered situation of scattered parts, so that the scattered parts are not easily scratched, thereby improving the quality of the product.

[0036] Example 2: The difference from Example 1 is that the second die-cutting assembly includes a die-cutting cutter arranged on the frame, and a moving part for driving the die-cutting cutter to move. The moving part can be a cutting cylinder, or a combination of a cutting motor and a cutting screw. When the driving part is a cutting cylinder, the cutting cylinder is fixedly mounted on the frame 2 in the vertical direction, the die-cutting cutter is fixedly mounted on the piston rod of the cutting cylinder, and the tab rubber tape is located directly below the die-cutting cutter. When the tab rubber tape passes through the die-cutting cutter, the piston rod of the cutting cylinder extends to drive the die-cutting cutter. The cutting knife die-cuts the tab rubber tape and cuts the tab glue from the tab rubber tape; when the driving part is a combination of a cutting motor and a cutting screw, the cutting motor is fixedly mounted on the frame 2 in the vertical direction, the cutting screw is coaxially fixedly connected to the output shaft of the cutting motor, the die-cutting knife is slidably connected to the frame, and the cutting screw is threadedly connected to the die-cutting knife. When the tab rubber tape passes through the die-cutting knife, the cutting motor drives the cutting screw to rotate, and the cutting screw drives the die-cutting knife to die-cut the tab rubber tape and cut the tab glue from the tab rubber tape.

[0037] Example 3: The difference from Example 1 is that the cutting piece includes a second laser cutter fixedly mounted on the frame, the second laser cutter is located on the conveying path of the positive and negative electrode integrated shell cover material strip, and the second laser cutter die-cuts the positive and negative electrode integrated shell cover material strip, thereby cutting the positive and negative electrode integrated shell covers from the positive and negative electrode integrated shell cover material strip.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with this profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical content disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are all within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A cylindrical battery positive and negative electrode integrated shell cover preparation device, characterized by: The invention comprises a frame (2), a circular shell cover unit (3), a tab glue unit (4) and a boss shell cover unit (6) arranged on the frame (2), wherein the circular shell cover unit (3) is used for unwinding the circular shell cover material roll, the tab glue unit (4) is used for unwinding the tab glue material roll, and the boss shell cover unit (6) is used for unwinding the tab shell cover material roll. The circular shell cover material roll is formed by winding the circular shell cover material strip, the tab glue material roll is formed by winding the tab glue material strip, and the boss shell cover material roll is formed by winding the tab shell cover material strip. The frame (2) is provided with A first die-cutting assembly for die-cutting a boss shell cover material strip, and a second die-cutting assembly for die-cutting a tab glue material strip, the frame (2) is provided with a conveying member for conveying the die-cut boss shell cover and tab glue to the annular shell cover, the frame (2) is provided with a traction assembly (8) for traction the annular shell cover material strip, the frame (2) is provided with heaters (31) for preheating the annular shell cover in sequence along the conveying direction of the annular shell cover material strip, and a pressing member for pressing the annular shell cover, tab glue and boss shell cover into a positive and negative integrated shell cover; The frame (2) is provided with a tray (22), the frame (2) is slidably connected to a mounting seat (231), the frame (2) is provided with a horizontal motor (23), the output shaft of the horizontal motor (23) is connected to a screw, the screw is threadedly connected to the mounting seat (231), the mounting seat (231) is provided with a lifting cylinder (232), the piston rod of the lifting cylinder (232) is provided with a suction cup, the frame is provided with a cutting piece for cutting the positive and negative integrated shell cover material strips, the suction cup is provided to the positive and negative integrated shell cover to the tray (22), the cutting piece includes a cutter provided on the frame (2), the frame (2) is provided with a cutting cylinder (21), the cutter is located on the piston rod of the cutting cylinder (21), and the positive and negative integrated shell cover material strips pass through the cutter.

2. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 1, characterized in that: The first die-cutting assembly comprises a die-cutting punch arranged on the frame (2) and a driving member for driving the die-cutting punch to move, and the second die-cutting assembly comprises a first laser cutter (41) arranged on the frame (2).

3. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 1, characterized in that: The second die-cutting assembly comprises a die-cutting knife arranged on the frame (2) and a moving part for driving the die-cutting knife.

4. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 2, characterized in that: The conveying member comprises a mechanical arm arranged on the frame (2), and the mechanical arm removes the die-cut boss shell cover and the tab glue and places them on the annular shell cover.

5. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 1, characterized in that: The traction assembly (8) comprises a traction wheel rotatably arranged on the frame (2), and a traction motor for driving the traction wheel to rotate. The traction wheel is provided with a plurality of protrusions in the circumferential direction. The annular shell cover material strip and the boss shell cover material strip are provided with a plurality of positioning holes at intervals along the length direction. The protrusions are plugged into and matched with the positioning holes.

6. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 1, characterized in that: The pressing part is one of a high-frequency welding machine (7) and a hot press (5) or a combination of both.

7. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 6, characterized in that: The frame (2) is provided with a receiving roller, the frame (2) is provided with a receiving motor for driving the receiving roller to rotate, the positive and negative electrode integrated shell cover material strips are collected on the receiving roller, and the frame (2) is provided with a plurality of detectors (9), the plurality of detectors (9) are respectively used to detect the concentricity, thickness and whether the positive and negative electrode integrated shell covers are short-circuited.

8. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 1, characterized in that: The slitting piece includes a second laser cutter arranged on the frame, and the second laser cutter is located on the conveying path of the positive and negative integrated shell cover material strip.

9. The apparatus for preparing an integrated positive and negative electrode shell and cover for a cylindrical battery according to claim 2, characterized in that: The frame (2) is provided with a waste collecting device for collecting waste tab rubber tape and waste boss shell cover tape, the waste collecting device comprising a waste roller (251) provided on the frame (2), and a waste motor (25) for driving the waste roller (251) to rotate, and the waste tab rubber tape and waste boss shell cover tape are wound onto the waste roller (251).

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