Winding equipment for positive electrode and negative electrode

Abstract

The utility model discloses winding equipment for positive and negative electrodes, which relates to the technical field of battery production and comprises a bottom plate, a fixing plate fixedly connected to the upper end of the bottom plate, a through hole formed in the fixing plate, a fixing cylinder fixedly mounted at the rear end of the through hole, a turntable rotatably connected to the rear end of the fixing cylinder, and an outer gear ring fixedly connected to the turntable. Two transmission motors are fixed to the rear end of the rotary disc and are symmetrical in the radial direction of the fixed cylinder, output shafts of the transmission motors are fixedly connected with electric telescopic rods, winding needles are fixedly installed at the front ends of the electric telescopic rods, and the winding needles are in the shape of two semicircles with openings close to each other. The device has the beneficial effects that the transmission motor drives the winding needles to rotate, so that positive and negative battery pieces are wound on the winding needles, then the rotating disc drives the two winding needles to rotate by 180 degrees, the electric telescopic rod close to the feeding mechanism drives the winding needles to move forwards to clamp the battery pieces at the moment, the cutting assembly cuts off the battery pieces between the two winding needles, and multi-station continuous work is achieved; the processing efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of battery manufacturing technology, and in particular to a winding device for positive and negative electrodes. Background Technology

[0002] A battery composed of cells assembled by winding is called a wound battery, also known as a cell. Battery winding is an important process in battery production, which requires winding the positive and negative battery cells and the separator together. It is mainly used to manufacture the internal structure of various types of batteries.

[0003] A search revealed Chinese patent publication number CN219203244U, which discloses a fully automatic winding device for lithium iron phosphate battery production. This patent uses a second motor to wind the battery electrode strip, and a first motor to rotate the first threaded rod, causing the sliding block to move horizontally on the guide rod, so that one side of the clamping plate contacts the rolling wheel. Under the action of the second telescopic rod and the rolling wheel, the wound electrode strip is pressed. This device has certain problems: during the winding process, each step needs to be completed sequentially, and the battery cell needs to be moved towards the rolling wheel by the sliding block for pressing. It cannot perform multi-station continuous operation, which affects the processing efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a winding device for positive and negative electrodes in order to solve the above-mentioned problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A winding device for positive and negative electrodes includes a base plate, a fixing plate fixedly connected to the upper end of the base plate, a through hole on the fixing plate, a feeding mechanism on one side of the through hole, a discharging mechanism on the other side of the through hole, a cutting assembly above the through hole, and a transmission mechanism at the rear end of the through hole, the transmission mechanism including a fixed cylinder.

[0007] The fixed cylinder is fixedly installed at the rear end of the through hole. A power mechanism is provided above the fixed cylinder. A turntable is rotatably connected to the rear end of the fixed cylinder. An external toothed ring is fixedly connected to the turntable. Two drive motors are fixedly fixed at the rear end of the turntable. The two drive motors are symmetrical about the radial direction of the fixed cylinder. An electric telescopic rod is fixedly connected to the output shaft of the drive motor. The electric telescopic rod is located inside the fixed cylinder. A coiling needle is fixedly installed at the front end of the electric telescopic rod. The coiling needle is a semi-circle with two openings close to each other.

[0008] Preferably, the power mechanism includes a power motor, which is fixedly mounted on the rear end of the fixed plate. The output shaft of the power motor is fixedly connected to a drive gear, which meshes with an external gear ring.

[0009] Preferably, the feeding mechanism includes two conveyor belts, which are V-shaped with their tips close to the through holes, and the conveyor belts are mounted on a fixed plate via multiple electric rollers.

[0010] Preferably, a feeding roller is provided above the side of the conveyor belt near the through hole. The feeding roller is rotatably connected to the fixed plate. A drive motor is fixedly installed at the rear end of the fixed plate, and the output shaft of the drive motor is fixedly connected to the feeding roller.

[0011] Preferably, the cutting assembly includes a first cylinder, which is fixedly mounted on the front end of the fixed plate, and a cutter is fixedly mounted on the output shaft of the first cylinder.

[0012] Preferably, two second cylinders are provided between the feeding mechanism and the through hole. The two second cylinders are fixedly installed symmetrically at the front end of the fixed plate. The output shaft of the second cylinder is fixedly connected to a limit block. A smoothing roller is rotatably connected to one end of the limit block near the through hole.

[0013] Preferably, the feeding mechanism includes a groove located on the side of the through hole away from the limiting block. An electric push rod is fixedly installed in the groove, and a feeding plate is fixedly connected to the end of the electric push rod near the through hole. The feeding plate is U-shaped with its opening facing the through hole.

[0014] Preferably, a movable arm is rotatably connected below the groove, and a pressure wheel is rotatably connected to the end of the movable arm away from the rotating shaft. A servo motor is fixedly installed at the rear end of the fixed plate, and the output shaft of the servo motor is fixedly connected to the rotating shaft of the movable arm.

[0015] The beneficial effects are as follows: the drive motor drives the winding needle to rotate, so that the positive and negative battery cells are wound on the winding needle. Then the turntable drives the two winding needles to rotate 180 degrees. At this time, the electric telescopic rod near the feeding mechanism drives the winding needle to move forward to clamp the battery cells. The cutting component cuts the battery cells between the two winding needles, realizing multi-station continuous operation and improving processing efficiency.

[0016] The additional technical features and advantages of this utility model will become more apparent from the following description, or may be learned through specific practice of this utility model. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0018] Figure 1 This is a schematic diagram of the working state of a winding device for positive and negative electrodes as described in this utility model;

[0019] Figure 2 This is a perspective view of a winding device for positive and negative electrodes as described in this utility model;

[0020] Figure 3 yes Figure 2 Enlarged view of point A;

[0021] Figure 4 yes Figure 2 The front view;

[0022] Figure 5 This is a schematic diagram of the inside of the fixed cylinder of a winding device for positive and negative electrodes according to this utility model;

[0023] Figure 6 yes Figure 5 Enlarged view of point B.

[0024] The reference numerals in the attached drawings are explained as follows: 101, base plate; 102, fixing plate; 103, through hole; 201, conveyor belt; 202, feeding roller; 301, power motor; 302, drive gear; 401, fixing cylinder; 402, turntable; 403, external gear ring; 404, transmission motor; 405, electric telescopic rod; 406, winding needle; 501, first cylinder; 502, cutter; 601, second cylinder; 602, limit block; 701, groove; 702, electric push rod; 703, unloading plate; 801, movable arm; 802, pressure roller. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0026] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] The present invention will be further described below with reference to the accompanying drawings:

[0028] like Figures 1-6 As shown, a winding device for positive and negative electrodes includes a base plate 101, a fixing plate 102 fixedly connected to the upper end of the base plate 101, a through hole 103 opened on the fixing plate 102, a feeding mechanism is provided on one side of the through hole 103, a discharging mechanism is provided on the other side of the through hole 103, a cutting assembly is provided above the through hole 103, and a transmission mechanism is provided at the rear end of the through hole 103. The transmission mechanism includes a fixed cylinder 401.

[0029] A fixed cylinder 401 is fixedly installed at the rear end of the through hole 103. A power mechanism is provided above the fixed cylinder 401. A turntable 402 is rotatably connected to the rear end of the fixed cylinder 401. An external gear ring 403 is fixedly connected to the turntable 402. Two drive motors 404 are fixedly fixed at the rear end of the turntable 402. The two drive motors 404 are radially symmetrical along the fixed cylinder 401. An electric telescopic rod 405 is fixedly connected to the output shaft of the drive motor 404. The electric telescopic rod 405 is located inside the fixed cylinder 401. A winding needle 406 is fixedly installed at the front end of the electric telescopic rod 405. The winding needle 406 is a semi-circle with two openings close to each other. In use, the feeding mechanism drives the positive and negative battery cells to move towards the through hole 103. Then, the electric telescopic rod 405 close to the feeding mechanism drives the winding needle 406 to move forward and clamp the positive and negative battery cells in the winding needle. Inside 406, the same-side drive motor 404 drives the winding needle 406 to rotate via the electric telescopic rod 405, causing the positive and negative battery cells to be wound onto the winding needle 406. Then, the power mechanism drives the turntable 402 to rotate, causing the turntable 402 to rotate the two winding needles 406 180 degrees. At this time, the electric telescopic rod 405 near the feeding mechanism drives the winding needle 406 to move forward to clamp the battery cells. Then, the cutting component cuts the battery cells between the two winding needles 406. Then, the drive motor 404 near the unloading mechanism drives the winding needle 406 to rotate to tighten it. Then, the unloading mechanism limits the wound cells, and the electric telescopic rod 405 drives the winding needle 406 to move into the fixed cylinder 401 for unloading. With the turntable 402 rotating 180 degrees forward and backward, multi-station continuous operation is performed, improving processing efficiency.

[0030] The power mechanism includes a power motor 301, which is fixedly installed at the rear end of the fixed plate 102. The output shaft of the power motor 301 is fixedly connected to a drive gear 302, which meshes with an external gear ring 403. The power motor 301 drives the drive gear 302 to rotate, so that the drive gear 302 meshes with the external gear ring 403.

[0031] The feeding mechanism includes two conveyor belts 201, which are V-shaped with their tips close to the through hole 103. The conveyor belts 201 are mounted on the fixed plate 102 by multiple electric rollers. In use, the electric rollers drive the conveyor belts 201 to move, so that the conveyor belts 201 drive the battery cells to move.

[0032] A feeding roller 202 is provided above the side of the conveyor belt 201 near the through hole 103. The feeding roller 202 is rotatably connected to the fixed plate 102. A drive motor is fixedly installed at the rear end of the fixed plate 102. The output shaft of the drive motor is fixedly connected to the feeding roller 202. At the same time, the feeding roller 202 assists the battery cells to move stably toward the through hole 103.

[0033] The cutting assembly includes a first cylinder 501, which is fixedly mounted on the front end of the fixed plate 102. A cutter 502 is fixedly mounted on the output shaft of the first cylinder 501. The first cylinder 501 drives the cutter 502 to descend and approach the battery cell.

[0034] Two second cylinders 601 are provided between the feeding mechanism and the through hole 103. The two second cylinders 601 are fixedly installed symmetrically at the front end of the fixed plate 102. The output shaft of the second cylinder 601 is fixedly connected to the limit block 602. The end of the limit block 602 near the through hole 103 is rotatably connected to the smoothing roller. The second cylinder 601 drives the limit block 602 to approach the battery cell, so that the smoothing roller and the battery cell roll to smooth it.

[0035] The feeding mechanism includes a groove 701, which is located on the side of the through hole 103 away from the limiting block 602. An electric push rod 702 is fixedly installed in the groove 701. A feeding plate 703 is fixedly connected to one end of the electric push rod 702 near the through hole 103. The feeding plate 703 is U-shaped with its opening facing the through hole 103. The electric push rod 702 drives the feeding plate 703 to slide in the groove 701, so that the feeding plate 703 moves toward the winding needle 406, thereby limiting the battery cell through the feeding plate 703.

[0036] A movable arm 801 is rotatably connected below the groove 701. A pressure wheel 802 is rotatably connected to the end of the movable arm 801 away from the rotating shaft. A servo motor is fixedly installed at the rear end of the fixed plate 102. The output shaft of the servo motor is fixedly connected to the rotating shaft of the movable arm 801. The servo motor drives the movable arm 801 to rotate, so that the pressure wheel 802 approaches and squeezes the battery cell.

[0037] Working principle: During operation, the electric roller drives the conveyor belt 201, which in turn moves the battery cells. Simultaneously, the feeding roller 202 assists the positive and negative battery cells in moving towards the through hole 103. The second cylinder 601 drives the limiting block 602 to approach the battery cells, causing the smoothing roller to roll and smooth them. Then, the electric telescopic rod 405, located near the conveyor belt 201, drives the winding needle 406 forward, clamping the positive and negative battery cells within the winding needle 406. Subsequently, the drive motor 404 on the same side drives the winding needle 406 to rotate via the electric telescopic rod 405, causing the positive and negative battery cells to wind onto the winding needle 406. Finally, the power motor 301 drives the drive gear 302 to rotate, causing the drive gear 302 to mesh with the external gear ring 403, driving the turntable 402 to rotate. The turntable 402 then rotates the two winding needles 406 by 180 degrees. At this time, the electric telescopic rod 405 near the conveyor belt 201 drives the winding needle 406 to move forward and clamp the battery cell. Then, the first cylinder 501 drives the cutter 502 to descend and approach the battery cell, cutting the battery cell between the two winding needles 406. Then, the servo motor drives the movable arm 801 to rotate, so that the clamping wheel 802 approaches and squeezes the battery cell near the groove 701. At the same time, the transmission motor 404 drives the winding needle 406 to rotate and tighten. Then, the electric push rod 702 drives the unloading plate 703 to slide in the groove 701, so that the unloading plate 703 moves towards the winding needle 406. The unloading plate 703 limits the wound battery cell. Then, the electric telescopic rod 405 drives the winding needle 406 to move into the fixed cylinder 401 for unloading. With the turntable 402 rotating 180 degrees forward and backward, multi-station continuous operation is carried out to improve processing efficiency.

[0038] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A winding device for positive and negative electrodes, comprising a base plate (101), wherein a fixing plate (102) is fixedly connected to the upper end of the base plate (101), characterized in that: The fixed plate (102) has a through hole (103), a feeding mechanism is provided on one side of the through hole (103), a discharging mechanism is provided on the other side of the through hole (103), a cutting assembly is provided above the through hole (103), and a transmission mechanism is provided at the rear end of the through hole (103). The transmission mechanism includes a fixed cylinder (401). The fixed cylinder (401) is fixedly installed at the rear end of the through hole (103). A power mechanism is provided above the fixed cylinder (401). A turntable (402) is rotatably connected to the rear end of the fixed cylinder (401). An external toothed ring (403) is fixedly connected to the turntable (402). Two drive motors (404) are fixedly fixed at the rear end of the turntable (402). The two drive motors (404) are radially symmetrical along the fixed cylinder (401). An electric telescopic rod (405) is fixedly connected to the output shaft of the drive motor (404). The electric telescopic rod (405) is located inside the fixed cylinder (401). A coiling needle (406) is fixedly installed at the front end of the electric telescopic rod (405). The coiling needle (406) is in the shape of two semicircles with openings close to each other.

2. The winding device for positive and negative electrodes according to claim 1, characterized in that: The power mechanism includes a power motor (301), which is fixedly installed at the rear end of the fixed plate (102). The output shaft of the power motor (301) is fixedly connected to a drive gear (302), which meshes with the external gear ring (403).

3. The winding device for positive and negative electrodes according to claim 1, characterized in that: The feeding mechanism includes two conveyor belts (201), which are V-shaped with their tips close to the through hole (103). The conveyor belts (201) are mounted on the fixed plate (102) by multiple electric rollers.

4. The winding device for positive and negative electrodes according to claim 3, characterized in that: The conveyor belt (201) is provided with a feeding roller (202) above the side near the through hole (103). The feeding roller (202) is rotatably connected to the fixed plate (102). A drive motor is fixedly installed at the rear end of the fixed plate (102). The output shaft of the drive motor is fixedly connected to the feeding roller (202).

5. A winding device for positive and negative electrodes according to claim 1, characterized in that: The cutting assembly includes a first cylinder (501), which is fixedly mounted on the front end of the fixed plate (102), and a cutter (502) is fixedly mounted on the output shaft of the first cylinder (501).

6. A winding device for positive and negative electrodes according to claim 3, characterized in that: Two second cylinders (601) are provided between the feeding mechanism and the through hole (103). The two second cylinders (601) are fixedly installed symmetrically at the front end of the fixed plate (102). The output shaft of the second cylinder (601) is fixedly connected to a limit block (602). A smoothing roller is rotatably connected to one end of the limit block (602) near the through hole (103).

7. A winding device for positive and negative electrodes according to claim 6, characterized in that: The feeding mechanism includes a groove (701) located on the side of the through hole (103) away from the limiting block (602). An electric push rod (702) is fixedly installed in the groove (701). A feeding plate (703) is fixedly connected to one end of the electric push rod (702) near the through hole (103). The feeding plate (703) is U-shaped with its opening facing the through hole (103).

8. A winding device for positive and negative electrodes according to claim 7, characterized in that: A movable arm (801) is rotatably connected below the groove (701). A pressure wheel (802) is rotatably connected to one end of the movable arm (801) away from the rotating shaft. A servo motor is fixedly installed at the rear end of the fixed plate (102). The output shaft of the servo motor is fixedly connected to the rotating shaft of the movable arm (801).

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