Continuous slitting machine for lithium battery pole piece

The modular design of the dividing box and the feeding mechanism solves the problems of complex blade changing and low material feeding efficiency in lithium battery electrode slitting machines, enabling rapid installation and efficient production with stable material tension.

CN121134431APending Publication Date: 2025-12-16SHENZHEN WANGLITONG ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202511640163.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-11
Publication Date
2025-12-16

AI Technical Summary

Technical Problem

Existing lithium battery electrode slitting machines have complex blade changing and debugging processes, resulting in long production interruptions and low equipment utilization. The feeding process requires manual operation, which is inefficient and requires frequent position adjustments.

Method used

The modular design of the dividing box and dividing components, combined with the limit seat and mounting seat of the winding mechanism, enables rapid installation and adjustment, reducing downtime and manual calibration; the adjustment mechanism and connecting parts maintain stable material tension, improving production efficiency.

Benefits of technology

It enables rapid replacement of components and smooth material transport, reduces labor burden and costs, improves equipment uptime and production efficiency, ensures continuous and efficient production, and enhances equipment utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of lithium battery pole pieces, in particular to a lithium battery pole piece continuous slitting machine which comprises an operation frame, a slitting assembly and a roll feeding mechanism, the slitting assembly is mounted at the top end of the operation frame, the roll feeding mechanism is mounted at the right end of the operation frame, and the roll feeding mechanism is assembled through a limiting seat, a mounting seat and a regulation and control frame which are arranged in the operation frame. A material roll body can be rapidly installed through the limiting seat and the installation seat, the regulation and control frame is arranged on the left side of the material roll body and gradually moves rightwards along with material consumption, the regulation mechanism is installed on the right side of the slitting assembly and conducts tension regulation on materials, and a segmentation box and a segmentation piece in the slitting assembly are designed in a modular splicing mode. The device can be quickly disassembled and replaced, is convenient to maintain, greatly reduces the shutdown replacement time, and reduces the manual calibration time, improves the working efficiency, quickly installs the coiled material body, reduces the continuous feeding time and improves the production efficiency by replacing the modularized partition piece.
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Description

Technical Field

[0001] This invention relates to the field of lithium battery electrode technology, specifically to a continuous slitting machine for lithium battery electrodes. Background Technology

[0002] With the rapid development of new energy vehicles, energy storage equipment and other fields, the market demand for lithium batteries, as core energy storage components, continues to surge, which puts forward higher requirements for the production efficiency, product quality and safety of lithium batteries. As a core component of lithium batteries, the processing precision of the electrode sheet directly affects the energy density, cycle life and safety of the battery. Electrode sheet slitting is one of the key processes in the lithium battery production process. It is mainly used to cut wide electrode sheets, positive electrode sheets such as lithium iron phosphate electrode sheets and ternary material electrode sheets, negative electrode sheets such as graphite electrode sheets, into narrow electrode sheets that meet the size requirements of the battery cell pack. The stability and accuracy of the slitting process are crucial to the subsequent cell assembly and the overall performance of the battery. For example, CN110508860B discloses a continuous slitting machine for lithium battery electrodes, including an unwinding drum, a traction roller, a slitting blade holder housing, a suction assembly, a follower plate, an edge-gathering assembly, a pressure roller body, a rotary support assembly, a winding threaded rod, a take-up rack, a rotary motor, and a feeding trolley. A power supply box body is fixed to one side of the slitting machine housing with screws, and a take-up rack is provided on the other side of the slitting machine housing. An unwinding drum is located on one side of the bottom of the inner wall of the slitting machine housing, and a feeding trolley is located at the bottom of the unwinding drum. A traction roller is located on one side of the center of the inner wall of the slitting machine housing, and a rotary motor is welded to one end of the traction roller. This continuous slitting machine for lithium battery electrodes, assisted by the suction assembly, edge-gathering assembly, and rotary support assembly, ensures stable electrode belt movement, thereby guaranteeing stable electrode slitting and keeping various process indicators such as burrs and straightness within the process range, which is beneficial for lithium battery electrode processing and production. While existing slitting machines can meet the needs of use, they have drawbacks in continuous production. First, the knife changing and debugging process is complicated. When the electrode specifications are changed, the machine needs to be stopped to replace the circular knife and perform tedious precision calibration, resulting in long production interruption time and low equipment utilization. Second, when feeding the rolled material, the existing equipment still requires manual or manual sampling tools to lift it before installation and docking, which is inefficient and requires frequent position adjustments. Summary of the Invention

[0003] The purpose of this invention is to provide a continuous slitting machine for lithium battery electrodes, which solves the problems mentioned in the background art: the existing knife changing and debugging process is complicated, and when the electrode specifications are changed, the machine needs to be stopped to replace the circular knife and perform tedious precision calibration, resulting in long production interruption time and low equipment utilization rate; the existing equipment also requires manual or manual sampling tools to lift the rolled material before installation and docking, which is inefficient and requires frequent position adjustments.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a continuous slitting machine for lithium battery electrodes, comprising an operating frame, a slitting assembly, and a winding feeding mechanism. The slitting assembly is installed at the top of the operating frame, and the winding feeding mechanism is installed at the right end of the operating frame. The winding feeding mechanism is assembled through an internal limiting seat, a mounting seat, and a control frame. The limiting seat and mounting seat allow for the rapid installation of material rolls. The control frame is located on the left side of the material roll and moves gradually to the right as the material is consumed. An adjustment mechanism is installed on the right side of the slitting assembly. The adjustment mechanism adjusts the tension of the material. The adjustment mechanism is connected to the winding feeding mechanism via a connector. Under the connection of the connector, the adjustment mechanism moves with the control frame to adjust the tension. A take-up roller is installed at the left end of the slitting assembly for material collection. A power supply box is installed at the rear end of the slitting assembly for energy supply and centralized operation.

[0005] Preferably, the slitting assembly includes a slitting box, slitting components, and a first motor. The slitting components can be slidably installed inside the slitting box. The slitting components can only be driven to slit after being installed inside the slitting box. The first motor installed at the rear end of the slitting box provides the power source.

[0006] Preferably, the left and right walls of the dividing box have side openings, the bottom of the dividing box is equipped with a positioning block with three sets of grooves on its surface, the bottom sides of the two walls of the dividing box are equipped with limit strips, the front end of the dividing box is equipped with a flip-up outer cover, the inner wall of the outer cover is equipped with a top block, the top block can limit the movement of the internal dividing parts after installation, the rear end of the dividing box is equipped with a drive shaft that rotates in place, the drive shaft is driven by a first motor, and the front end of the drive shaft has a polygonal protrusion.

[0007] Preferably, the dividing component includes an assembly box and two sets of cutting blade bodies. The two sets of cutting blade bodies are vertically installed inside the assembly box. Three sets of docking blocks are fixed at the bottom of the assembly box and slide within the positioning blocks. The rear end of the top cutting blade body has a polygonal groove extending inward. The top cutting blade body is driven to rotate by a drive shaft. The rear ends of both sets of cutting blade bodies are equipped with meshing gears, allowing the two sets of cutting blade bodies to rotate relative to each other.

[0008] Preferably, the adjustment mechanism includes two sets of side plates and adjustment components. The adjustment components are installed inside the two sets of side plates. Each adjustment component includes two sets of elliptical plates and two sets of fixed rotating shafts. Fixed rotating shafts are installed on the inner side of each set of elliptical plates. The two sets of fixed rotating shafts are respectively inserted into the inner wall of the side plates. Two sets of adjustment rollers are installed parallel to each other on the left and right sides inside the two sets of elliptical plates. The rear end of the left adjustment roller is driven to rotate by a second motor.

[0009] Preferably, the bottom end of the limiting seat and the mounting seat are parallel. The mounting seat can only be turned to load material after the limiting seat is adjusted to the left. The control frame provided on the inner side of the limiting seat and the mounting seat can only move left and right internally.

[0010] Preferably, the limiting seat includes a left bottom pad and a limiting block. Two sets of slide rails are fixedly installed at the top of the left bottom pad. A limiting block is placed on the upper side of the two sets of slide rails. Two sets of sliders are provided at the bottom of the limiting block and slide back and forth in the corresponding slide rails. A fixed bearing is installed at the center of the inner wall of the limiting block. The gap between the two sets of slide rails and the two sets of sliders is limited by a blocking block.

[0011] Preferably, the mounting base includes a right bottom pad and a steering block. A rotating shaft is inserted into the center of the top end of the right bottom pad. The top end of the rotating shaft passes through the center of the steering block. A rotating rod is installed at the center of the inner wall of the steering block. The front end of the rotating rod can be inserted into a fixed bearing. The rotating rod drives the material roll installed at the center to rotate.

[0012] Preferably, the control frame includes a U-shaped frame and multiple sets of movable wheels. Multiple sets of movable wheels are fixed to the bottom end of the U-shaped frame for movement. All sets of movable wheels are made of rubber. Telescopic rods are connected to the right sides of the front and rear ends of the U-shaped frame. The right ends of the two sets of telescopic rods are installed on the left wall of the mounting block. The two sets of mounting blocks are correspondingly fixed to the inner walls of the left and right bottom pads. A rotatable contact roller is longitudinally installed on the right side of the top of the U-shaped frame. The height of the contact roller is parallel to the center of the material roll after installation. Inclined rods that tilt to the right are fixed to the front and rear of the top of the U-shaped frame. Rotating traction rollers are installed on the inner side of the top of the two sets of inclined rods.

[0013] Preferably, the connector includes a long connecting rod and a short connecting rod. The top end of the long connecting rod is hinged to the rotating plate via an upper movable pin, and the long connecting rod and the short connecting rod are hinged via a lower movable pin. The interior of the short connecting rod is installed on the rear wall of the control frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are: 1. The slitting assembly features a modular assembly design for the slitting box and slitting components. This design allows for quick disassembly and replacement, facilitates maintenance, and significantly reduces downtime for replacement. Furthermore, by replacing the modular slitting components and utilizing the internally pre-adjusted two-part slitting blade body, manual calibration time is reduced, improving work efficiency. The sliding limit seat and rotating mounting seat in the winding feeding mechanism work together to quickly install the roll body, reducing continuous feeding time and increasing production efficiency. 2. The flip-up outer cover installed at the front of the dividing box and the top block fixed on the inner wall can position and stabilize the sliding dividing components inside the dividing box, preventing the dividing components from shaking inside the dividing box and affecting the slitting effect. The tension of the semi-finished roll material conveyed by the feeding mechanism can be adjusted through the provided adjustment mechanism. This design can further improve the stability of the roll material when it is transported to the dividing machine, which is convenient for subsequent cutting and slitting. The adjustment roller is driven by a second motor to rotate, which facilitates the overall material conveying and improves production continuity. 3. The feeding mechanism is equipped with a sliding limit seat, which allows for forward and backward sliding to facilitate disengagement and installation with the mounting base. This saves on the installation efficiency of the material roll, greatly reduces labor burden and material replacement time, and saves costs. The adjustable frame can limit the outer diameter of the continuously fed material roll, reducing the tension reduction caused by the distance generated by the continuous consumption of the material roll. By continuously adjusting according to the material consumption progress, the tension of the material conveying is kept stable. 4. In addition to the above structural design, the control frame and adjustment components are connected by a connecting component. The movement of the control frame drives the connecting component to operate, and the operation of the connecting component synchronously drives the adjustment component to adjust, thereby keeping the adjustment component and the control frame at the same level. This is beneficial for maintaining a certain tension of the conveyed roll material and improving the slitting stability and efficiency. Attached Figure Description To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a side view of the present invention; Figure 2 This is a front view schematic diagram of the present invention; Figure 3 This is a schematic diagram of the splitting component of the present invention; Figure 4 This is an enlarged schematic diagram of the connection between the dividing box and the dividing component of the present invention; Figure 5 This is an enlarged schematic diagram of the adjusting component of the present invention; Figure 6 This is an enlarged schematic diagram of the connector of the present invention; Figure 7 A schematic diagram showing the installation preparation of the winding feeding mechanism of the present invention; Figure 8 This is a rear view schematic diagram of the control frame of the present invention.

[0016] In the diagram: 1. Operating frame; 2. Slitting assembly; 21. Slitting box; 211. Side opening; 212. Positioning block; 213. Limiting strip; 214. Outer cover; 215. Top block; 216. Drive shaft; 217. Polygonal protrusion; 22. Slitting component; 221. Assembly box; 222. Docking block; 223. Slitting blade body; 224. Polygonal groove; 225. Gear; 23. First motor; 3. Rewinding roller; 4. Adjusting mechanism; 41. Side plate; 42. Adjusting component; 421. Oval plate; 422. Adjusting roller; 423. Second motor; 424. Fixed rotating shaft; 425. Rotating plate; 5. Coil feeding. Mechanism; 51. Limit seat; 511. Left bottom pad; 512. Slide rail; 513. Limit block; 514. Fixed bearing; 515. Slider; 516. Stop block; 52. Mounting seat; 521. Right bottom pad; 522. Rotating shaft; 523. Steering block; 524. Rotating rod; 53. Control frame; 531. U-shaped frame; 532. Moving wheel; 533. Telescopic rod; 534. Mounting block; 535. Contact roller; 536. Diagonal rod; 537. Traction roller; 6. Material roll; 7. Connector; 71. Long extension rod; 72. Upper movable pin; 73. Lower movable pin; 74. Short extension rod; 8. Power supply box body. Detailed Implementation The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Please see Figures 1-8 This invention provides an embodiment of a continuous slitting machine for lithium battery electrodes, comprising an operating frame 1, a slitting assembly 2, and a winding feeding mechanism 5. The slitting assembly 2 is mounted on the top of the operating frame 1, and the winding feeding mechanism 5 is mounted on the right end of the operating frame 1. The winding feeding mechanism 5 is assembled through an internal limiting seat 51, a mounting seat 52, and a control frame 53. The limiting seat 51 and the mounting seat 52 allow for the rapid mounting of a material roll 6. The control frame 53 is located on the left side of the material roll 6 and moves gradually to the right as the material is consumed. An adjustment mechanism 4 is mounted on the right side of the slitting assembly 2. The adjustment mechanism 4 adjusts the tension of the material. The adjustment mechanism 4 is connected to the winding feeding mechanism 5 through a connecting piece 7. The adjustment mechanism 4 moves with the control frame 53 to adjust the tension under the connection of the connecting piece 7. A take-up roller 3 is mounted on the left end of the slitting assembly 2 for material collection. A power supply box body 8 is mounted on the rear end of the slitting assembly 2 for energy supply and centralized operation.

[0018] according to Figure 2 and picture Figure 3The slitting assembly 2 shown includes a slitting box 21, a slitting component 22, and a first motor 23. The slitting component 22 can be slidably installed inside the slitting box 21. The slitting component 22 can only be driven to slit after it is installed inside the slitting box 21. The first motor 23 installed at the rear end of the slitting box 21 provides the power source.

[0019] The above design facilitates the rapid installation of modular components, reduces manual calibration time, and improves efficiency.

[0020] according to Figure 2 and Figure 3 The dividing box 21 shown has side openings 211 on both the left and right walls. A positioning block 212 is installed at the bottom of the dividing box 21. Three sets of grooves are opened on the surface of the positioning block 212. Limiting strips 213 are installed on the bottom sides of the two walls of the dividing box 21. A flip-up outer cover 214 is installed at the front end of the dividing box 21. A top block 215 is installed on the inner wall of the outer cover 214. After the top block 215 is installed, it can limit the movement of the internal dividing pieces 22. A drive shaft 216 that rotates in place is installed at the rear end of the dividing box 21. The drive shaft 216 is driven by the first motor 23. A polygonal protrusion 217 is opened at the front end of the drive shaft 216.

[0021] With the above design, the first motor and drive shaft cannot work when the dividing piece is separated from the dividing box, and the top block installed inside the outer cover can limit the installation of the dividing piece to avoid vibration affecting the subsequent slitting process.

[0022] according to Figure 3 The dividing component 22 shown includes an assembly box 221 and two sets of cutting blade bodies 223. The two sets of cutting blade bodies 223 are vertically mounted inside the assembly box 221. Three sets of docking blocks 222 are fixed at the bottom of the assembly box 221 and slide within the positioning block 212. The rear end of the top cutting blade body 223 has a polygonal groove 224 that is opened inward. The top cutting blade body 223 is driven to rotate by a drive shaft 216. The rear ends of the two sets of cutting blade bodies 223 are equipped with meshing gears 225, and the two sets of cutting blade bodies 223 can rotate relative to each other.

[0023] The above design enables rapid material cutting, improving cutting efficiency. At the same time, the cutting specifications of the cutting blades in each set of cutting components are different, but they are pre-calibrated, making them easy to replace at any time and significantly shortening equipment changeover time.

[0024] according to Figure 5The adjustment mechanism 4 shown includes two sets of side plates 41 and adjustment components 42. The adjustment components 42 are installed inside the two sets of side plates 41. The adjustment components 42 include two sets of elliptical plates 421 and two sets of fixed rotating shafts 424. Fixed rotating shafts 424 are installed on the inner side of both sets of elliptical plates 421. The two sets of fixed rotating shafts 424 are respectively inserted into the inner wall of the side plates 41. Two sets of adjusting rollers 422 are installed parallel to each other on the left and right sides inside the two sets of elliptical plates 421. The rear end of the left adjusting roller 422 is driven to rotate by a second motor 423.

[0025] Through the above design, a set of adjusting rollers can be driven by a second motor to rotate, thereby improving the feeding capacity. The outer walls of the two sets of adjusting rollers are made of rubber material, which reduces the impact on the material roll.

[0026] according to Figure 6 and Figure 7 The bottom ends of the limiting seat 51 and the mounting seat 52 are parallel. The mounting seat 52 can only be rotated for feeding after the limiting seat 51 is adjusted to the left. The control frame 53 provided inside the limiting seat 51 and the mounting seat 52 can only move left and right inside. The limiting seat 51 includes a left bottom pad 511 and a limiting block 513. Two sets of slide rails 512 are fixed at the top of the left bottom pad 511. The limiting block 513 is placed on the upper side of the two sets of slide rails 512. Two sets of sliders 515 are provided at the bottom of the limiting block 513 and slide back and forth in the corresponding slide rails 512. A fixed bearing 514 is installed in the center of the inner wall of the limiting block 513. The gap between the two sets of slide rails 512 and the two sets of sliders 515 is limited by the blocking block 516. This design makes it easy to adjust the position of the limiting block and facilitates disengagement from the mounting seat.

[0027] according to Figure 6 and Figure 7 The mounting base 52 shown includes a right bottom pad 521 and a steering block 523. A rotating shaft 522 is inserted into the center of the top of the right bottom pad 521. The top of the rotating shaft 522 passes through the center of the steering block 523. A rotating rod 524 is installed in the center of the inner wall of the steering block 523. The front end of the rotating rod 524 can be inserted into the fixed bearing 514. The rotating rod 524 drives the material roll 6 installed in the center to rotate.

[0028] The above design allows for easy rotation of the steering block, saving physical effort. The installed rotating rod enables quick insertion of material rolls for use. The outer wall of the rotating rod can be engraved with scales, facilitating quick adjustment of the material roll's position and ensuring stability during continuous feeding.

[0029] according to Figure 7 and Figure 8The control frame 53 shown includes a U-shaped frame 531 and multiple sets of moving wheels 532. Multiple sets of moving wheels 532 are fixed to the bottom end of the U-shaped frame 531 for movement. All sets of moving wheels 532 are made of rubber. Telescopic rods 533 are connected to the right side of the front and rear ends of the U-shaped frame 531. The right ends of the two sets of telescopic rods 533 are installed on the left wall of the mounting block 534. The two sets of mounting blocks 534 are fixed to the inner walls of the left bottom pad 511 and the right bottom pad 521 respectively. A rotatable contact roller 535 is installed longitudinally on the right side of the top of the U-shaped frame 531. The height of the contact roller 535 is parallel to the center of the material roll 6 after installation. Inclined rods 536 that tilt to the right are fixed to the front and rear of the top of the U-shaped frame 531. Rotating traction rollers 537 are installed on the inner side of the top of the two sets of inclined rods 536.

[0030] The above design helps maintain a certain tension in the conveyed roll material, improving slitting stability and efficiency.

[0031] according to Figure 5 , Figure 6 and Figure 8 The connecting member 7 shown includes a long connecting rod 71 and a short connecting rod 74. The top end of the long connecting rod 71 is hinged to the rotating plate 425 by an upper movable pin 72. The long connecting rod 71 and the short connecting rod 74 are hinged by a lower movable pin 73. The interior of the short connecting rod 74 is installed on the rear wall of the control frame 53.

[0032] The control frame and adjustment components are connected by a connecting piece. The movement of the control frame drives the connecting piece to operate, and the operation of the connecting piece synchronously drives the adjustment component to make adjustments.

[0033] Working principle: During operation, when it is necessary to slit lithium battery electrodes, first pull out the stop block 516 inserted in the gap between the slide rail 512 and the slider 515 in the limit seat 51, then push the limit block 513 forward to keep the fixed bearing 514 installed in the center of the rear wall of the limit block 513 separated from the rotating rod 524 in the mounting seat 52. Then push the steering block 523 to rotate counterclockwise 90 degrees to the right under the action of the internal rotating shaft 522, keeping the rotating rod 524 facing to the right. Then use the pushing device to push the material roll 6 to be installed in the center of the rotating rod 524. Then push the steering block 523 in the opposite direction to return to its original position. Then push the limit block 513 backward to connect the fixed bearing 514 with the rotating rod 524. Finally, insert the stop block 516 to complete the replacement of the material roll 6. When changing the material roll 6, the contact roller 535 on the right side of the top of the U-shaped frame 531 in the control frame 53 touches the left side of the material roll 6. Then, the output end of the material roll 6 is pulled from the lower right position of the inclined traction roller 537 to the upper left. After covering the traction roller 537, the two sets of adjusting rollers 422 are interlaced and sent into the dividing box 21 for slitting by the dividing component 22. When slitting is required, the power supply box body provides power and controls the first motor 23 to drive the upper slitting blade body 223 in the dividing component 22 to rotate. The upper slitting blade body 223 and the lower slitting blade body 223 rotate relative to each other under the drive of the meshing gear 225 installed at the rear end, thereby slitting the moving material. The slitting material is collected by the take-up roller 3 installed at the left end. During operation, as the material roll 6 is continuously fed, its inner diameter continuously shortens. Simultaneously, the contact roller 535 remains in contact with the material roll 6 under the action of two sets of telescopic rods 533 installed at the bottom of the U-shaped frame 531 and the moving wheel 532. At the same time, the traction roller 537 at the top moves synchronously with the contact roller 535. As the U-shaped frame 531 moves, the control frame 53 is connected via the short connecting rod 74 and the long connecting rod 71 in the connecting piece 7 fixed at the rear end. The short connecting rod 74 and the long connecting rod 71 are connected by a lower movable pin 73, and the long connecting rod 71 is connected to the rotating plate 425 in the control frame 53 by an upper movable pin 72. Thus, as the U-shaped frame 531 moves, the connecting piece drives the rotating plate 425 to flip downwards. The flipping of the rotating plate 425 drives the fixed rotating shaft 424 to rotate. The rotation of the fixed rotating shaft 424 drives the two sets of elliptical plates 424 installed inside to flip the two sets of adjusting rollers 422. The flipping of the two sets of adjusting rollers 422 synchronously adjusts the tension of the material during feeding. When the dividing piece 22 needs to be replaced after a long period of operation, the entire equipment should be stopped first. Then, the outer cover 214 should be opened and the dividing piece 22 can be pulled out. When it is pulled out, the polygonal groove 224 at the rear end of the slitting blade body 223 will disengage from the drive shaft 216. When replacing another set of dividing piece 22 modules, the docking block 222 fixed at the bottom of the assembly box 221 in the dividing piece 22 should be docked and slid with the positioning block 212. When the assembly box 221 slides to the rear end of the dividing box 21, the polygonal groove 224 in the slitting blade body 223 in the assembly box 221 can be engaged with the polygonal protrusion 217 fixed at the front end of the drive shaft 216. After closing the outer cover, the replacement can be completed, and the equipment can be started to continue slitting.

[0034] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Those skilled in the art can readily implement the present invention based on the accompanying drawings and the above description. However, any modifications, alterations, or variations made by those skilled in the art without departing from the scope of the present invention, utilizing the disclosed technical content, are equivalent embodiments of the present invention. Furthermore, any modifications, alterations, or variations made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the present invention.

Claims

1. A continuous slitting machine for lithium battery electrodes, comprising an operating frame (1), a slitting assembly (2), and a winding feeding mechanism (5), characterized in that: The top of the operating frame (1) is equipped with a slitting assembly (2), and the right end of the operating frame (1) is equipped with a winding feeding mechanism (5). The winding feeding mechanism (5) is assembled through an internal limiting seat (51), a mounting seat (52), and a control frame (53). The material roll (6) can be quickly installed through the limiting seat (51) and the mounting seat (52). The control frame (53) is on the left side of the material roll (6) and moves to the right as the material is consumed. The right side of the slitting assembly (2) is equipped with an adjustment mechanism (4). The adjustment mechanism (4) adjusts the tension of the material. The adjustment mechanism (4) is connected to the winding feeding mechanism (5) through a connector (7). The adjustment mechanism (4) moves with the control frame (53) to adjust the tension under the connection of the connector (7). The left end of the slitting assembly (2) is equipped with a take-up roller (3) for material collection. The rear end of the slitting assembly (2) is equipped with a power supply box body (8). The power supply box body (8) provides energy and performs centralized operation.

2. The lithium battery electrode continuous slitting machine according to claim 1, characterized in that: The slitting assembly (2) includes a slitting box (21), a slitting component (22), and a first motor (23). The slitting component (22) can be slidably installed inside the slitting box (21). The slitting component (22) can only be driven to slit after it is installed inside the slitting box (21). The first motor (23) installed at the rear end of the slitting box (21) provides the power source.

3. A continuous slitting machine for lithium battery electrodes according to claim 2, characterized in that: The left and right walls of the dividing box (21) are provided with side openings (211). A positioning block (212) is installed at the bottom of the dividing box (21). Three sets of grooves are provided on the surface of the positioning block (212). Limiting strips (213) are installed on the bottom sides of the two walls of the dividing box (21). A flip-up outer cover (214) is installed at the front end of the dividing box (21). A top block (215) is installed on the inner wall of the outer cover (214). After the top block (215) is installed, it can limit the movement of the internal dividing pieces (22). A drive shaft (216) that rotates in place is installed at the rear end of the dividing box (21). The drive shaft (216) is driven by a first motor (23). A polygonal protrusion (217) is provided at the front end of the drive shaft (216).

4. A continuous slitting machine for lithium battery electrodes according to claim 2, characterized in that: The dividing component (22) includes an assembly box (221) and two sets of cutting blade bodies (223). The two sets of cutting blade bodies (223) are vertically installed inside the assembly box (221). Three sets of docking blocks (222) are fixed at the bottom of the assembly box (221) and slide in the positioning block (212). The rear end of the top cutting blade body (223) has a polygonal groove (224) opened inward. The top cutting blade body (223) is driven to rotate by a drive shaft (216). The rear ends of the two sets of cutting blade bodies (223) are equipped with meshing gears (225). The two sets of cutting blade bodies (223) can rotate relative to each other.

5. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The adjustment mechanism (4) includes two sets of side plates (41) and adjustment components (42). The adjustment components (42) are installed inside the two sets of side plates (41). The adjustment components (42) include two sets of elliptical plates (421) and two sets of fixed rotating shafts (424). Fixed rotating shafts (424) are installed on the inner side of the two sets of elliptical plates (421). The two sets of fixed rotating shafts (424) are respectively inserted into the inner wall of the side plates (41). Two sets of adjustment rollers (422) are installed parallel to each other on the left and right sides inside the two sets of elliptical plates (421). The rear end of the left adjustment roller (422) is driven to rotate by a second motor (423).

6. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The bottom end of the limiting seat (51) and the mounting seat (52) remain parallel. After the limiting seat (51) is adjusted to the left, the mounting seat (52) can turn to load materials. The control frame (53) provided inside the limiting seat (51) and the mounting seat (52) can only move left and right inside.

7. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The limiting seat (51) includes a left bottom pad (511) and a limiting block (513). Two sets of slide rails (512) are fixed at the top of the left bottom pad (511) and at the front and back. A limiting block (513) is placed on the upper side of the two sets of slide rails (512). Two sets of sliders (515) are provided at the bottom of the limiting block (513) and slide back and forth in the corresponding slide rails (512). A fixed bearing (514) is installed at the center of the inner wall of the limiting block (513). The gap between the two sets of slide rails (512) and the two sets of sliders (515) is limited by a blocking block (516).

8. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The mounting base (52) includes a right bottom pad (521) and a steering block (523). A rotating shaft (522) is inserted into the center of the top of the right bottom pad (521). The top of the rotating shaft (522) passes through the center of the steering block (523). A rotating rod (524) is installed in the center of the inner wall of the steering block (523). The front end of the rotating rod (524) can be inserted into the fixed bearing (514). The rotating rod (524) drives the material roll (6) installed in the center to rotate.

9. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The control frame (53) includes a U-shaped frame (531) and multiple sets of moving wheels (532). Multiple sets of moving wheels (532) are fixed at the bottom of the U-shaped frame (531) for movement. All sets of moving wheels (532) are made of rubber. Telescopic rods (533) are connected to the right side of the front and rear ends of the U-shaped frame (531). The right ends of the two sets of telescopic rods (533) are installed on the left wall of the mounting block (534). The two sets of mounting blocks (534) are fixed on the inner walls of the left bottom pad (511) and the right bottom pad (521). A rotatable contact roller (535) is installed longitudinally on the right side of the top of the U-shaped frame (531). The height of the contact roller (535) is parallel to the center of the material roll (6) after installation. Inclined rods (536) are fixed to the front and rear of the top of the U-shaped frame (531). Rotating traction rollers (537) are installed on the inner side of the top of the two sets of inclined rods (536).

10. A continuous slitting machine for lithium battery electrodes according to claim 1, characterized in that: The connector (7) includes a long connecting rod (71) and a short connecting rod (74). The top end of the long connecting rod (71) is hinged to the rotating plate (425) by an upper movable pin (72). The long connecting rod (71) and the short connecting rod (74) are hinged by a lower movable pin (73). The interior of the short connecting rod (74) is installed on the rear wall of the control frame (53).

Citation Information

Patent Citations

  • A lithium battery pole piece continuous slitting machine

    CN110508860B