CN220392792U - Automatic winding, reel changing and tape connecting device for lithium ion battery pole piece - Google Patents

Abstract

The utility model provides an automatic winding, reel changing and tape connecting device for a lithium ion battery pole piece, which comprises a box body, a roller, a first approaching roller assembly, a first winding shaft, a second approaching roller assembly, a laser cutter assembly and a controller, wherein the roller is arranged at the top of one side of the box body, the first approaching roller assembly is arranged at the middle part of one side of the box body, the first winding shaft and the second winding shaft are both arranged at the bottom of one side of the box body, the second approaching roller assembly is arranged at the middle part of the other side of the box body, and the laser cutter assembly is arranged on the inner wall of the bottom of the box body. The utility model has the beneficial effects that: the approaching roller movement, the cutter movement and the cutter cutting are all automatically controlled, the winding shaft does not need to move, the equipment does not need to be stopped, and automatic reel changing and tape connecting can be realized; in the automatic reel changing process, only the approaching roller and the cutter do simple linear motion, the equipment maintenance cost is low, the equipment operation energy consumption is low, and the reel changing time is long.

Description

Automatic winding, reel changing and tape connecting device for lithium ion battery pole piece

Technical Field

The utility model belongs to the field of lithium ion battery manufacturing, and particularly relates to an automatic winding, reel changing and tape connecting device for a lithium ion battery pole piece.

Background

The existing winding stations are double stations, the two stations are located in the same mechanism, a rotating shaft is arranged between the two stations, and when the rotating shaft rotates, the two winding stations rotate around the rotating shaft; when the two winding stations are mutually switched, the rotating shaft is utilized to rotate, the positions are interchanged, and then the cutter cuts off the pole pieces, so that the automatic reel changing and tape connecting function is realized, but when reel changing is realized, a winding tower is required to be rotated, and the problems of long time consumption, large equipment work load, large energy consumption and uneven winding are easy to occur when the winding tower is rotated due to the large weight of a reel and a product.

Disclosure of Invention

In view of the above, the utility model aims to provide an automatic winding, reel changing and tape connecting device for a lithium ion battery pole piece, so as to solve the problems of long time consumption, large load, large energy consumption and uneven winding of the traditional turret mode.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a lithium ion battery pole piece automatic winding trades a roll and connects area device, includes the box, crosses the roller, is close the roller subassembly, is close the roller subassembly, is No. two the roller, is close the roller subassembly, laser cutter subassembly and controller, cross the roller install to box one side top, be close the roller subassembly install to box one side middle part, be close the roller with be all installed to No. two the roller bottom one side, be close the roller subassembly install to box opposite side middle part, laser cutter subassembly install to the inner wall of bottom half, cross the roller be close the roller subassembly, be close the roller with be close the roller subassembly with be connected to the laser cutter subassembly is all electric to the controller.

Further, the box includes box body, curb plate and No. two curb plates, no. one curb plate one side with No. two curb plate one sides have all seted up a recess, two the recess is used for installing respectively No. one approach roller subassembly with No. two approach roller subassemblies, box body front portion, rear portion and top are transparent casing.

Further, the first side plate comprises a first mounting frame, the first mounting frame is positioned above the first winding shaft, and the first mounting frame is used for mounting the adhesive tape sensor and the winding diameter sensor; the second side plate comprises a second mounting frame, the second mounting frame is located above the second winding shaft, and the second mounting frame is used for mounting the adhesive tape sensor and the winding diameter sensor.

Further, a roller assembly is close including a lead screw, a roller and a motor, a motor is installed to a curb plate one side middle part, a motor output shaft passes a curb plate is installed to a lead screw one end, a lead screw is installed to a recess of curb plate, another pot head of a lead screw is established to the screw, the screw install to a roller is close, a motor electricity is connected to the controller.

Further, no. two approach roller assemblies include No. two lead screws, no. two approach rollers and No. two motors, no. two motors install to No. two curb plate one side middle parts, no. two motor output shafts pass No. two curb plates are connected to No. two lead screw one end, no. two lead screws install to No. two curb plate's recess, no. two lead screw other end cover is established to the screw, the screw install to No. two approach rollers, no. two motors electricity are connected to the controller.

Further, the laser cutter assembly comprises a laser cutter, a No. three lead screw and a No. three motor, the No. three motor is mounted on the inner wall of the bottom of the box body, an output shaft of the No. three motor is connected to one end of the No. three lead screw, the other end of the No. three lead screw is sleeved with a nut, the nut is mounted on the laser cutter, and the No. three motor is electrically connected to the controller.

Further, the first winding shaft and the second winding shaft are respectively provided with a winding drum, the winding drums are provided with double faced adhesive tapes, and the first winding shaft and the second winding shaft are respectively connected with an external motor.

Compared with the prior art, the automatic winding, reel changing and tape connecting device for the lithium ion battery pole piece has the following advantages:

according to the automatic winding, reel changing and tape connecting device for the lithium ion battery pole piece, the approaching roller movement, the cutter movement and the cutter cutting are all controlled automatically, the winding shaft does not need to be moved, the equipment does not need to be stopped, and automatic reel changing and tape connecting can be realized; in the automatic reel changing process, only the approaching roller and the cutter do simple linear motion, the equipment maintenance cost is low, the equipment operation energy consumption is low, and the reel changing time is long; the device is provided with a deviation corrector before winding, and when the automatic winding replacement and tape connection are performed, the position of the pole piece is unchanged, so that the phenomenon of uneven winding is prevented.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic front view of an overall structure according to an embodiment of the present utility model;

fig. 2 is a schematic rear view of the overall structure according to the embodiment of the present utility model.

Reference numerals illustrate:

1. a case; 11. a case body; 12. a first side plate; 121. a first mounting rack; 13. a second side plate; 131. a second mounting rack; 2. passing through a roller; 3. a first approach roller assembly; 31. a first lead screw; 32. a first approach roller; 33. a motor I; 4. a first winding shaft; 5. a second winding shaft; 6. a second approach roller assembly; 61. a second lead screw; 62. a second approach roller; 63. a motor II; 7. a laser cutter assembly; 71. a laser cutter; 72. a third screw rod; 73. and a motor III.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 2, a is a pole piece, and is a lithium ion battery pole piece automatic winding, reel-changing and tape-connecting device, which comprises a box body 1, a passing roller 2, a first approaching roller assembly 3, a first winding shaft 4, a second winding shaft 5, a second approaching roller assembly 6, a laser cutter assembly 7 and a controller, wherein the passing roller 2 is mounted to the top of one side of the box body 1, the first approaching roller assembly 3 is mounted to the middle of one side of the box body 1, the first winding shaft 4 and the second winding shaft 5 are both mounted to the bottom of one side of the box body 1, the second approaching roller assembly 6 is mounted to the middle of the other side of the box body 1, the laser cutter assembly 7 is mounted to the inner wall of the bottom of the box body 1, the passing roller 2, the first approaching roller assembly 3, the first winding shaft 4, the second winding shaft 5, the second approaching roller assembly 6 and the laser assembly 7 are all electrically connected to the controller.

In a preferred embodiment of the present utility model, the box 1 includes a box body 11, a first side plate 12 and a second side plate 13, one side of the first side plate 12 and one side of the second side plate 13 are respectively provided with a groove, the two grooves are respectively used for installing the first approaching roller assembly 3 and the second approaching roller assembly 6, the front portion, the rear portion and the top of the box body 11 are transparent shells, and in actual use, the front portion, the rear portion and the top of the box body 11 are detachably connected and are transparent shells, so that a worker can observe a working state conveniently, and take-up rolls of the first winding shaft 4 and the second winding shaft 5 are replaced.

In a preferred embodiment of the present utility model, the first side plate 12 includes a first mounting frame 121, the first mounting frame 121 is located above the first winding shaft 4, and the first mounting frame 121 is used for mounting a tape sensor and a winding diameter sensor; the second side plate 13 comprises a second mounting frame 131, the second mounting frame 131 is located above the second winding shaft 5, and the second mounting frame 131 is used for mounting an adhesive tape sensor and a winding diameter sensor; in actual use, the mounting positions of the first mounting frame 121, the second mounting frame 131, the adhesive tape sensor and the winding diameter sensor do not affect the work of the first winding shaft 4, the second winding shaft 5 and the laser cutter assembly 7.

In a preferred embodiment of the present utility model, the first approaching roller assembly 3 includes a first lead screw 31, a first approaching roller 32 and a first motor 33, the first motor 33 is mounted to a middle portion of one side of the first side plate 12, an output shaft of the first motor 33 is mounted to one end of the first lead screw 31 through the first side plate 12, the first lead screw 31 is mounted to a groove of the first side plate 12, the other end of the first lead screw 31 is sleeved to a nut, the nut is mounted to the first approaching roller 32, the first motor 33 is electrically connected to the controller, and in actual use, the first motor 33 and the first lead screw 31 are connected through a universal coupling.

In a preferred embodiment of the present utility model, the second approaching roller assembly 6 includes a second screw 61, a second approaching roller 62 and a second motor 63, the second motor 63 is mounted to a middle portion of one side of the second side plate 13, an output shaft of the second motor 63 passes through the second side plate 13 and is connected to one end of the second screw 61, the second screw 61 is mounted to a groove of the second side plate 13, the other end of the second screw 61 is sleeved to a nut, the nut is mounted to the second approaching roller 62, the second motor 63 is electrically connected to the controller, and in actual use, an output shaft of the second motor 63 and the second screw 61 are connected through a universal coupling.

In a preferred embodiment of the present utility model, the laser cutter assembly 7 includes a laser cutter 71, a No. three lead screw 72 and a No. three motor 73, the No. three motor 73 is mounted to the bottom inner wall of the case body 11, an output shaft of the No. three motor 73 is connected to one end of the No. three lead screw 72, the other end of the No. three lead screw 72 is sleeved on a nut, the nut is mounted to the laser cutter 71, and the No. three motor 73 is electrically connected to the controller, and in actual use, the laser cutter 71 is in the prior art.

In a preferred embodiment of the present utility model, the first winding shaft 4 and the second winding shaft 5 are both provided with winding drums, the winding drums are provided with double-sided tapes, and the first winding shaft 4 and the second winding shaft 5 are respectively connected with an external motor.

In a preferred embodiment of the present utility model, the winding diameter sensor is used for detecting the winding diameter of the winding drum, and in actual use, the winding diameter sensor is in the prior art, and the winding diameter sensor is in signal connection with the controller.

In a preferred embodiment of the utility model, the device is provided with two adhesive tape sensors, the adhesive tape sensors are used for detecting double-sided adhesive tapes on the winding drum, the adhesive tape sensors are of the prior art in actual use, the model is G3-A300N, the adhesive tape sensors are connected to the controller in a signal mode, the adhesive tape is ensured to be installed on the winding drum through the adhesive tape sensors, and the situation that a worker forgets to place the adhesive tape is prevented.

In a preferred embodiment of the utility model, the device is provided with a deviation corrector, the deviation corrector is used for preventing the pole pieces from being wound unevenly, the deviation corrector is in the prior art in actual use, and the installation position of the deviation corrector is determined according to specific conditions.

In a preferred embodiment of the present utility model, the motors are all servo motors, and the motors are all connected to a controller, and the controller is a PLC controller.

The working principle of the automatic winding, reel changing and tape connecting device for the lithium ion battery pole piece is as follows:

when the device works normally, a pole piece is connected to a winding drum of a first winding shaft 4 through a roller 2, an output shaft of a motor connected with the first winding shaft 4 rotates to drive the first winding shaft 4 to rotate, and the first winding shaft 4 rotates to drive the winding drum to rotate so as to wind the pole piece on the winding drum;

when the winding diameter sensor detects that the winding drum of the first winding shaft 4 reaches the set maximum winding diameter, the controller controls the adhesive tape sensor to detect the second winding shaft 5, when the detector detects the adhesive tape, the controller controls a motor connected with the second winding shaft 5 to start working, an output shaft of the motor rotates to drive the second winding shaft 5 to rotate (the rotation linear speed is consistent with the current pole piece linear speed), the first motor 33 rotates positively, an output shaft of the first motor 33 rotates to drive the first lead screw 32 to rotate, the first lead screw 32 rotates to drive the screw and the first approaching roller 31 to move, and the first approaching roller 31 drives the pole piece to move towards the second winding shaft 5 (in an initial state, the first approaching roller 31 is positioned at one end far away from the second winding shaft 5); when the maximum lead of the first lead screw 32 is reached, the first approaching roller 31 drives the pole piece to prop against the winding drum, the controller controls the laser cutter 71 to start working and cut off the pole piece, so that the pole piece is curled onto the winding drum of the second winding drum 5, the controller controls the first motor to rotate reversely, so that the first approaching roller 31 returns to the initial position, and automatic winding, reel changing and tape receiving are completed;

after the coil stock on the first winding shaft 4 is transferred and a new empty winding drum is replaced, the winding diameter sensor detects that the winding diameter of the winding drum of the first winding shaft 4 reaches the minimum value, the controller controls the third motor 73 to start working, the output shaft of the third motor 73 rotates to drive the third screw 72 to rotate, the third screw 72 rotates to drive the nut and the laser cutter 71 to move from the second winding shaft 5 to the first winding shaft 4, and when the maximum lead of the third screw 72 is reached, the controller controls the third motor 73 to stop working; when the winding diameter sensor detects that the winding drum of the second winding shaft 5 reaches the set maximum winding diameter, the controller controls the adhesive tape sensor to detect the first winding shaft 4, when the detector detects the adhesive tape, the controller controls a motor connected with the first winding shaft 4 to start working, an output shaft of the motor rotates to drive the first winding shaft 4 to rotate (the rotation linear speed is consistent with the current pole piece linear speed), the second motor 63 rotates positively, an output shaft of the second motor 63 rotates to drive the second lead screw 62 to rotate, the second lead screw 62 rotates to drive the screw and the second approaching roller 61 to move, and the second approaching roller 61 drives the pole piece to move towards the first winding shaft 4 (in an initial state, the second approaching roller 61 is positioned at one end far away from the first winding shaft 4); when the maximum lead of the second lead screw 62 is reached, the second approaching roller 61 drives the pole piece to prop against the winding drum, the controller controls the laser cutter 71 to start working and cut off the pole piece, so that the pole piece is curled onto the winding drum of the first winding shaft 4, the controller controls the first motor to rotate reversely, so that the second approaching roller 61 returns to the initial position, and automatic winding, reel changing and tape connecting are completed; after the coil stock on the second winding shaft 5 is transferred and a new empty winding drum is replaced, the winding diameter sensor detects that the winding diameter reaches the minimum value, and the controller controls the laser cutter 71 to move to the position of the second winding shaft 5.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (7)

1. The utility model provides a lithium ion battery pole piece automatic winding trades a roll and connects area device which characterized in that: including box (1), roll (2) are crossed to roll (2), are No. one near roll assembly (3), are No. one winding shaft (4), are No. two near roll assembly (5), are No. two near roll assembly (6), laser cutter assembly (7) and controller, roll (2) are crossed install to box (1) one side top, be No. one near roll assembly (3) install to box (1) one side middle part, be No. one winding shaft (4) with be No. two winding shafts (5) all install to box (1) one side bottom, be No. two near roll assembly (6) install to box (1) opposite side middle part, laser cutter assembly (7) install to box (1) bottom inner wall, pass roll (2) be No. one near roll assembly (3), be No. two winding shafts (5) are close roll assembly (6) with laser cutter assembly (7) all electrically connected to the controller.

2. The automatic winding, reel changing and tape connecting device for the lithium ion battery pole piece according to claim 1, wherein the automatic winding, reel changing and tape connecting device is characterized in that: the box (1) comprises a box body (11), a side plate (12) and a second side plate (13), wherein a groove is formed in one side of the first side plate (12) and one side of the second side plate (13), the two grooves are respectively used for installing the first approaching roller assembly (3) and the second approaching roller assembly (6), and the front part, the rear part and the top of the box body (11) are transparent shells.

3. The automatic winding, reel-changing and ribbon-connecting device for the lithium ion battery pole piece according to claim 2, wherein the automatic winding, reel-changing and ribbon-connecting device is characterized in that: the first side plate (12) comprises a first mounting frame (121), the first mounting frame (121) is positioned above the first winding shaft (4), and the first mounting frame (121) is used for mounting an adhesive tape sensor and a winding diameter sensor; the second side plate (13) comprises a second mounting frame (131), the second mounting frame (131) is located above the second winding shaft (5), and the second mounting frame (131) is used for mounting an adhesive tape sensor and a winding diameter sensor.

4. The automatic winding, reel-changing and ribbon-connecting device for the lithium ion battery pole piece according to claim 2, wherein the automatic winding, reel-changing and ribbon-connecting device is characterized in that: the first approaching roller assembly (3) comprises a first lead screw (31), a first approaching roller (32) and a first motor (33), the first motor (33) is mounted to the middle of one side of the first side plate (12), an output shaft of the first motor (33) penetrates through the first side plate (12) to be mounted to one end of the first lead screw (31), the first lead screw (31) is mounted to a groove of the first side plate (12), the other end of the first lead screw (31) is sleeved to a nut, the nut is mounted to the first approaching roller (32), and the first motor (33) is electrically connected to the controller.

5. The automatic winding, reel-changing and ribbon-connecting device for the lithium ion battery pole piece according to claim 2, wherein the automatic winding, reel-changing and ribbon-connecting device is characterized in that: the second approaching roller assembly (6) comprises a second screw (61), a second approaching roller (62) and a second motor (63), the second motor (63) is mounted on one side middle of the second side plate (13), an output shaft of the second motor (63) penetrates through the second side plate (13) to be connected to one end of the second screw (61), the second screw (61) is mounted to a groove of the second side plate (13), the other end of the second screw (61) is sleeved to a nut, the nut is mounted to the second approaching roller (62), and the second motor (63) is electrically connected to the controller.

6. The automatic winding, reel-changing and ribbon-connecting device for the lithium ion battery pole piece according to claim 2, wherein the automatic winding, reel-changing and ribbon-connecting device is characterized in that: the laser cutter assembly (7) comprises a laser cutter (71), a No. three lead screw (72) and a No. three motor (73), the No. three motor (73) is mounted on the inner wall of the bottom of the box body (11), an output shaft of the No. three motor (73) is connected to one end of the No. three lead screw (72), the other end of the No. three lead screw (72) is sleeved with a nut, the nut is mounted on the laser cutter (71), and the No. three motor (73) is electrically connected to the controller.

7. The automatic winding, reel changing and tape connecting device for the lithium ion battery pole piece according to claim 1, wherein the automatic winding, reel changing and tape connecting device is characterized in that: the winding device is characterized in that the winding drum is arranged on the first winding shaft (4) and the second winding shaft (5), double faced adhesive tape is arranged on the winding drum, and the first winding shaft (4) and the second winding shaft (5) are respectively connected with an external motor.