Lithium ion battery processing positive plate and diaphragm winding forming equipment

By designing a pressure-applying mechanism and a cleaning mechanism, the problems of gaps and impurities between the positive electrode sheet and the separator in lithium-ion battery processing equipment were solved, achieving tight winding and improved cleanliness, thereby enhancing the quality and performance of lithium batteries.

CN223638405UActive Publication Date: 2025-12-05NANTONG YINGPAI LITHIUM BATTERY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520469340.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-12-05
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

Existing lithium-ion battery processing equipment for winding positive electrode sheets and separators is prone to producing large gaps and residual impurities between the positive electrode sheet and the separator during winding, which affects the quality and performance of lithium batteries.

Method used

The system employs a pressure application mechanism and a cleaning mechanism. The pressure of the pressure roller is adjusted by threaded columns and bolts to ensure a tight connection between the positive electrode sheet and the diaphragm. Impurities are removed by a brush, achieving tight winding and improved cleanliness.

Benefits of technology

This achieves tight winding of the positive electrode and separator, improving the product quality and performance of lithium batteries and ensuring the cleanliness of the winding process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223638405U_ABST
    Figure CN223638405U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of winding machines, and discloses lithium ion battery processing positive plate and diaphragm winding forming equipment which comprises a support frame and a driving motor, the two transverse plates are connected in series through the threaded columns, the first bolts are further controlled to apply pressure to the first bearing plates, then the two fixing seats are extruded to increase the pressure between the two pressure applying rollers, and the positive plate or the diaphragm penetrates between the two pressure applying rollers, so that the positive plate and the diaphragm can be ensured to be always in a tight state when being wound by the first winding roller; a second bolt is controlled to enable a second supporting plate to move so as to control the pressure of a second spring on a folding plate, so that the pressure between the two brush cylinders is adjusted, during use, the positive plate or the diaphragm penetrates into the space between the two brush cylinders, and when the positive plate and the diaphragm move, the positive plate and the diaphragm can be driven to rotate, so that the connection tightness of the positive plate and the diaphragm is improved. And the brush cylinder can clean impurities on the positive plate and the diaphragm, so that the cleanliness of the wound positive plate and the diaphragm is ensured, and the product quality is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to winding machine technical field, concretely is a kind of lithium electronic battery processing positive sheet and diaphragm winding forming equipment. BACKGROUND

[0002] Lithium electronic battery processing positive sheet and diaphragm winding forming equipment is the key equipment in lithium battery manufacturing process, responsible for the positive sheet, negative sheet and diaphragm of battery are cleverly assembled into core package by continuous rotation, and the fine winding operation of lithium electronic battery processing positive sheet and diaphragm winding forming equipment not only significantly improves the production efficiency of lithium battery, but also provides strong guarantee for the quality and performance of lithium battery.

[0003] Chinese patent provides a kind of lithium electronic battery processing positive sheet and diaphragm winding forming equipment, and the publication number is CN218448058U, including support plate, the side of support plate front end face is equipped with support frame, the side of support frame front end face is equipped with guide slot, the inside of guide slot is equipped with connecting block, the upper and lower ends of the front end face of connecting block are equipped with through hole, the rear of through hole is located the upper and lower ends of support frame and is equipped with positioning hole, the inside of connecting block is equipped with positioning block, positioning block extends to the inside of positioning hole by passing through connecting block, the both sides of the front end face of positioning block are equipped with movable slot.The utility model is moved in the inside of guide slot by connecting block, adjusts the spacing of two roller shafts, is convenient for device to apply with different processing needs, the position of connecting block and support frame is positioned by positioning block, the position of positioning block is fixed by pressing clamp block, prevent positioning block from falling off, improve device stability.

[0004] The above-mentioned device has the effect of improving the stability of the device, but the existing device may not be synchronized when winding the positive sheet and the diaphragm, resulting in a gap between the positive sheet and the diaphragm, and before the positive sheet and the diaphragm are connected, impurities may be left on the rollers, greatly affecting the quality and performance of the lithium battery. Therefore, a lithium electronic battery processing positive sheet and diaphragm winding forming equipment is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of lithium electronic battery processing positive sheet and diaphragm winding forming equipment to solve the problem that the gap between the positive sheet and the diaphragm is large and the residual impurities affect the quality and performance of the lithium battery when the existing device winds the positive sheet and the diaphragm.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a lithium electronic battery processing positive pole piece and diaphragm winding forming equipment, including support frame and drive motor, the side of support frame is installed with two fixed frame parallelly, and first winding roll is rotatably installed between support frame and two fixed frame, and the other side of support frame is rotatably installed with two second winding rolls parallelly, be provided with pressure mechanism on support frame, the pressure mechanism includes eight fixed seat, eight fixed seat is fixedly installed on the upper and lower sides of support frame parallelly, and pressure roller is rotatably installed between two fixed seat, four first sliding rod is fixedly installed on the fixed seat, and first bearing plate is slidably installed between two fixed seat and on the first sliding rod, two first spring is fixedly installed parallelly between first bearing plate and fixed seat, and horizontal plate is slidably installed on the first sliding rod on first bearing plate, the middle part of horizontal plate is screw mounted with first bolt rotatably installed on first bearing plate.

[0007] Preferably, two horizontal plates are connected by two threaded columns, and the fixed seats on the two horizontal plates are symmetrical to each other.

[0008] Preferably, the first sliding rod penetrates the first bearing plate and the horizontal plate, and the distance between the first spring on both sides and the first bolt is consistent.

[0009] Preferably, a cleaning mechanism is provided between the two fixed seats, the cleaning mechanism includes a second bearing plate and a folding plate, the folding plate is rotatably installed on one side of the fixed seat, a second bolt is screw mounted rotatably installed on the middle part of the second bearing plate, four second sliding rods are fixedly installed penetrating the fixed seat on the second bearing plate, a brush cylinder is fixedly installed between the two folding plates, a rotating seat is rotatably installed on the lower side of the folding plate, and a second spring is fixedly installed between the rotating seat and the second bearing plate.

[0010] Preferably, the four second sliding rods are located at the four corner positions of the second bearing plate, and the brush cylinder is composed of a plurality of brush plates.

[0011] Preferably, the second spring is located in the middle of the second bearing plate, and the second spring is fixedly connected with the second bearing plate and the rotating seat.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1) The lithium electronic battery processing positive pole piece and diaphragm winding forming equipment is connected by a threaded column, and the first bearing plate is pressed by the first bolt, thereby increasing the pressure between the two pressure rollers. When in use, the positive pole piece or diaphragm is inserted between the two pressure rollers, which can ensure that the positive pole piece and diaphragm are always in a tight state when being wound by the first winding roll, thereby increasing the connection tightness of the positive pole piece and diaphragm.

[0014] 2) the positive plate and diaphragm winding forming device for lithium electronic battery processing, the pressure between the two brush barrels is adjusted by controlling the second bolt to move the second supporting plate and then controlling the pressure of the second spring on the folding plate, in use, the positive plate or diaphragm is inserted between the two brush barrels, when the positive plate and diaphragm move, the brush barrel can clean the impurities on the positive plate and diaphragm, ensure the cleanliness of the positive plate and diaphragm after winding forming, and improve the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 it is a three-dimensional structure schematic view of the positive plate and diaphragm winding forming device for lithium electronic battery processing in the embodiment of the utility model;

[0016] Figure 2 it is a three-dimensional structure split drawing of the pressure applying mechanism in the embodiment of the utility model;

[0017] Figure 3 it is a three-dimensional structure split drawing of the pressure applying mechanism in the embodiment of the utility model; Figure 2 A enlarged view thereof;

[0018] Figure 4 it is a three-dimensional structure split drawing of the cleaning mechanism in the embodiment of the utility model;

[0019] Figure 5 it is a three-dimensional structure split drawing of the cleaning mechanism in the embodiment of the utility model; Figure 4 B enlarged view thereof.

[0020] In the drawing: 1, support frame; 2, driving motor; 3, fixed frame; 4, first winding roller; 5, second winding roller; 6, pressure applying mechanism; 601, fixed seat; 602, pressure roller; 603, first sliding rod; 604, first bearing plate; 605, first spring; 606, cross plate; 607, first bolt; 7, cleaning mechanism; 701, second bearing plate; 702, folding plate; 703, second bolt; 704, second sliding rod; 705, brush barrel; 706, rotating seat; 707, second spring. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Embodiment one

[0023] in combination with Figures 1-5The utility model provides a kind of lithium electron battery processing positive pole piece and diaphragm winding forming equipment, including support frame 1 and drive motor 2, two fixed frames 3 are installed side by side rotationally in the one side of support frame 1, and first winding roll 4 is rotationally installed between support frame 1 and two fixed frames 3, and two second winding rolls 5 are installed side by side rotationally in the other side of support frame 1, and pressure mechanism 6 is arranged on support frame 1;Pressure mechanism 6 includes eight fixed seats 601, eight fixed seats 601 are fixedly installed side by side on the upper and lower sides of support frame 1 respectively, and pressure roller 602 is rotationally installed between two fixed seats 601, four first sliding rods 603 are fixedly installed on fixed seat 601, and first bearing plate 604 is slidably installed between two fixed seats 601 and on first sliding rod 603, two first springs 605 are fixedly installed side by by between first bearing plate 604 and fixed seat 601, and cross plate 606 is slidably installed on first bearing plate 604 and on first sliding rod 603, and first bolt 607 is screw-mounted in the middle of cross plate 606 and rotationally installed on first bearing plate 604.

[0024] Referring to Figure 2 And Figure 3 Further, between every two cross plates 606, two threaded columns are connected, and the fixed seats 601 on the two cross plates 606 are symmetrical to each other, the first sliding rods 603 pass through the first bearing plates 604 and the cross plates 606, and the distances between the first springs 605 on both sides and the first bolts 607 are consistent.

[0025] Specifically, the two cross plates 606 are connected by the threaded columns, in use, the threaded columns are controlled to separate the two cross plates 606, the positive pole piece or the diaphragm is inserted between the two pressure rollers 602, the threaded columns are further controlled to fix the two cross plates 606, the first bearing plates 604 are moved away from the cross plates 606 according to the demand adjustment of the first bolts 607, the pressure on the first springs 605 is increased, the pressure between the two pressure rollers 602 is increased, in use, the drive motor 2 is controlled to rotate the first winding roll 4, the positive pole piece and the diaphragm can be wound together, and under the pressure of the two pressure rollers 602, the positive pole piece and the diaphragm will always be in a tense state, so that the winding of the positive pole piece and the diaphragm is more compact.

[0026] Example two

[0027] Combined with Figure 1 , Figure 4 And Figure 5The sweeping mechanism 7 is arranged between the two fixing seats 601, and comprises a second bearing plate 701 and a folding plate 702. The folding plate 702 is rotatably arranged at one side of the fixing seat 601. A second bolt 703 is rotatably arranged at the middle of the fixing seat 601 and the second bearing plate 701. Four second sliding rods 704 are fixedly arranged on the second bearing plate 701 and penetrate the fixing seat 601. A brush cylinder 705 is fixedly arranged between the two folding plates 702. A rotating seat 706 is rotatably arranged at the lower side of the folding plate 702. A second spring 707 is fixedly arranged between the rotating seat 706 and the second bearing plate 701.

[0028] With reference to Figure 4 and Figure 5 On the basis of the first embodiment, it is further obtained that the four second sliding rods 704 are arranged at the four corners of the second bearing plate 701. The brush cylinder 705 is composed of a plurality of brush plates. The second spring 707 is arranged at the middle of the second bearing plate 701, and is fixedly connected with the second bearing plate 701 and the rotating seat 706.

[0029] Specifically, by controlling the second bolt 703, the position of the second bearing plate 701 relative to the fixing seat 601 is changed, the pressure of the second bearing plate 701 on the second spring 707 is adjusted, and then the distance between the two brush cylinders 705 is changed. In use, the positive plate or the diaphragm is arranged between the two brush cylinders 705. When the positive plate or the diaphragm moves, the brush cylinder 705 sweeps the impurities on the positive plate or the diaphragm.

[0030] In actual operation, the two horizontal plates 606 are connected by the threaded column. In use, the threaded column is controlled to separate the two horizontal plates 606, the positive plate or the diaphragm is arranged between the two pressing rollers 602, the threaded column is further controlled to fix the two horizontal plates 606, the first bolt 607 is adjusted according to the requirement, the first bearing plate 604 is separated from the horizontal plate 606, the pressure on the first spring 605 is increased, the pressure between the two pressing rollers 602 is increased, in use, the driving motor 2 is controlled to rotate the first winding roller 4, the positive plate and the diaphragm are wound together, and under the pressure of the two pressing rollers 602, the positive plate and the diaphragm are always in a tight state, and then the winding of the positive plate and the diaphragm is more compact.

[0031] By controlling the second bolt 703, the position of the second bearing plate 701 relative to the fixing seat 601 is changed, the pressure of the second bearing plate 701 on the second spring 707 is adjusted, and then the distance between the two brush cylinders 705 is changed. In use, the positive plate or the diaphragm is arranged between the two brush cylinders 705. When the positive plate or the diaphragm moves, the brush cylinder 705 sweeps the impurities on the positive plate or the diaphragm.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and varied in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A lithium electronic battery processing positive plate and diaphragm winding forming equipment, comprising a support frame (1) and a driving motor (2), two fixed frames (3) are installed side by side on one side of the support frame (1) in rotation, a first winding roller (4) is installed between the support frame (1) and the two fixed frames (3) in rotation, and two second winding rollers (5) are installed side by side on the other side of the support frame (1) in rotation, characterized in that: The support frame (1) is provided with a pressing mechanism (6); The pressing mechanism (6) comprises eight fixed seats (601), eight fixed seats (601) are respectively and parallelly fixedly installed on the upper and lower sides of the support frame (1), two fixed seats (601) are rotatably installed between the two fixed seats (601), four first sliding rods (603) are fixedly installed on the fixed seat (601), a first supporting plate (604) is slidably installed between the two fixed seats (601) and on the first sliding rod (603), two first springs (605) are fixedly installed between the first supporting plate (604) and the fixed seat (601), and a cross plate (606) is slidably installed on the first supporting plate (604) and on the first sliding rod (603), a first bolt (607) is threadedly installed on the middle of the cross plate (606) and rotatably installed on the first supporting plate (604).

2. The equipment for winding and molding of the positive plate and the separator of the lithium electronic battery according to claim 1, characterized in that: Every two cross plates (606) are connected by two threaded columns, and the fixed seats (601) on the two cross plates (606) are symmetrical to each other.

3. The equipment for winding and molding of the positive plate and the separator of the lithium electronic battery according to claim 2, characterized in that: The first sliding rod (603) penetrates the first supporting plate (604) and the cross plate (606), and the two first springs (605) are uniformly away from the first bolt (607).

4. The equipment for winding and molding of the positive plate and the separator of the lithium electronic battery according to claim 2, characterized in that: Two fixed seats (601) are provided with a sweeping mechanism (7), the sweeping mechanism (7) comprises a second supporting plate (701) and a folding plate (702), the folding plate (702) is rotatably installed on one side of the fixed seat (601), a second bolt (703) is threadedly installed on the middle of the fixed seat (601) and rotatably installed on the second supporting plate (701), four second sliding rods (704) are fixedly installed on the second supporting plate (701) and penetrate the fixed seat (601), a brush cylinder (705) is fixedly installed between the two folding plates (702), a rotating seat (706) is rotatably installed on the lower side of the folding plate (702), and a second spring (707) is fixedly installed between the rotating seat (706) and the second supporting plate (701).

5. The equipment for winding and forming a positive sheet and a separator of a lithium electronic battery according to claim 4, characterized in that: Four second sliding rods (704) are located at the four corner positions of the second supporting plate (701), and the brush cylinder (705) is composed of a plurality of brush plates.

6. The equipment for winding and forming a lithium battery positive plate and a separator according to claim 5, characterized in that: The second spring (707) is located in the middle of the second supporting plate (701), and the second spring (707) is fixedly connected with the second supporting plate (701) and the rotating seat (706).

Citation Information

Patent Citations

  • Lithium battery winding machine

    CN218448058U