Motor direct drive type winding needle mounting mechanism, winding needle module and battery winding machine

Abstract

The utility model discloses a motor direct drive type winding needle installation mechanism, a winding needle module and a battery winding machine, the motor direct drive type winding needle installation mechanism comprises a first rotary disc and a second rotary disc mutually fixed with the first rotary disc, and a sliding guide shaft is arranged between the first rotary disc and the second rotary disc. A sliding mounting seat capable of sliding on the sliding guide shaft is arranged on the sliding guide shaft, a winding needle driving motor and a rotary mounting sleeve are mounted on the sliding mounting seat, and an output shaft of the winding needle driving motor is connected to the rotary mounting sleeve and can drive the rotary mounting sleeve to rotate; and the rotary mounting sleeve is rotationally mounted on the sliding mounting seat and is used for mounting a winding needle group. The motor direct-drive type winding needle mounting mechanism, the winding needle module and the battery winding machine have the advantages of being simple in structure, small in occupied space, convenient to mount and maintain, low in energy consumption, low in implementation cost and the like.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery production, in particular to a motor direct-driven needle winding installation mechanism, a needle winding module and a battery winding machine. Background Art

[0002] In the field of lithium battery manufacturing, battery winding machine is one of the commonly used battery manufacturing equipment. Battery winding machine includes many components and devices, among which the core component is the winding mechanism. The winding mechanism of the battery winding machine generally integrates the functions of winding needle rotation, station change, needle insertion and extraction, so as to realize the function of winding various materials such as positive electrode sheets, negative electrode sheets, and separators into battery cells according to specific processes.

[0003] In a battery winding machine, its winding mechanism generally integrates multiple groups of winding needle assemblies, so that different workstations are equipped with winding needle assemblies to perform corresponding tasks, thereby improving production efficiency. For each group of winding needle assemblies, during the operation of the winding machine, the winding needle assemblies need to circulate on different workstations, and then perform different winding tasks at different workstations. Each group of winding needle assemblies needs to be equipped with a winding power device to complete the above-mentioned winding tasks. However, in the existing winding machines, since the winding power device is not directly connected to the winding needle assembly, and the winding needle assembly needs to circulate in multiple workstations, it is necessary to install a complex power transmission device to transmit the power of the winding power device to each group of winding needle assemblies, which results in a very complex structure of the mechanism and a very large space occupied. Due to the complex structure, assembly and subsequent maintenance are very difficult, and the reliability is insufficient. The production process consumes a lot of energy, seriously affecting production efficiency and increasing production costs. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a motor-direct-driven needle winding installation mechanism, a needle winding module and a battery winding machine, which solve the technical defects of the prior art such as complex structure, large space occupation, difficult assembly and maintenance, high energy consumption and high production cost.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A motor-driven needle winding installation mechanism comprises a first turntable and a second turntable fixed to the first turntable, a sliding guide shaft is arranged between the first turntable and the second turntable, a sliding mounting seat which can slide on the sliding guide shaft is arranged on the sliding guide shaft, a needle winding drive motor and a rotating mounting sleeve are installed on the sliding mounting seat, the output shaft of the needle winding drive motor is connected to the rotating mounting sleeve and can drive the rotating mounting sleeve to rotate, the rotating mounting sleeve is rotatably mounted on the sliding mounting seat and is used to install the needle winding group.

[0007] As a further improvement of the above technical solution, a mounting hole is opened in the middle position of the sliding mounting seat, the rotating mounting sleeve is installed in the mounting hole through a bearing, the mounting hole is a stepped hole, and the sliding mounting seat is provided with a bearing end cover on its side for limiting the bearing.

[0008] As a further improvement of the above technical solution, the middle position of the rotating mounting sleeve is provided with a connecting through hole, the inner end of the connecting through hole is used for fixed connection with the output shaft of the winding needle driving motor, and the outer end of the connecting through hole is used for fixed installation of the winding needle group, and the winding needle group is fixedly connected to the output shaft of the winding needle driving motor through the rotating mounting sleeve.

[0009] As a further improvement of the above technical solution, a position sensor is provided on the sliding mounting seat, and a position sensing sheet cooperating with the position sensor is provided on the rotating mounting sleeve.

[0010] As a further improvement of the above technical solution, there are two sliding mounting seats, and each of the sliding mounting seats is correspondingly arranged on two of the sliding guide shafts.

[0011] As a further improvement of the above technical solution, both ends of the sliding mounting seat are provided with linear bearing mounting holes, and linear bearings are provided in the linear bearing mounting holes. The two ends of the sliding mounting seat are correspondingly arranged on two sliding guide shafts through two linear bearings.

[0012] As a further improvement of the above technical solution, the motor directly driven needle winding installation mechanism also includes a needle threading and pulling drive assembly, which is arranged on the first turntable and / or the second turntable. The active end of the needle threading and pulling drive assembly is connected to the sliding mounting seat and can drive the sliding mounting seat and the needle winding group to move in the guide direction of the sliding guide shaft to realize the needle threading or needle pulling function of the needle winding group.

[0013] As a further improvement of the above technical solution, the motor direct-driven winding needle installation mechanism also includes a conductive slip ring, which is used to provide power to the winding needle drive motor and electrical components in the threading and pulling needle drive assembly.

[0014] The utility model provides:

[0015] A needle winding module comprises the above-mentioned motor direct-driven needle winding installation mechanism and a needle winding group installed on the rotating installation sleeve.

[0016] The utility model also provides:

[0017] A battery winding machine comprises a wall panel, on which the above-mentioned motor direct-driven winding needle installation mechanism or the above-mentioned winding needle module is installed, wherein the first turntable is rotatably installed on the wall panel.

[0018] The beneficial effects of the utility model are as follows: the utility model provides a motor-direct-driven needle winding installation mechanism, needle winding module and battery winding machine. The motor-direct-driven needle winding installation mechanism, needle winding module and battery winding machine are provided with a needle winding drive motor on a sliding mounting seat and directly drive the needle winding assembly to rotate through the needle winding drive motor. There is no need to set up a complex power transmission device to drive the needle winding group to operate. Not only the structure is greatly simplified and the occupied space volume is reduced, but also the subsequent assembly and maintenance are more convenient, the performance is more stable and reliable, and the implementation cost is lower. In addition, since the complex power transmission device is eliminated, the energy consumption is less during the power transmission process, the transmission efficiency is high, and the production efficiency can be further improved.

[0019] In summary, this type of motor-driven needle winding installation mechanism, needle winding module and battery winding machine solves the technical defects of the prior art, such as complex structure, large space occupation, difficult assembly and maintenance, high energy consumption and high production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] Figure 1 This is a schematic diagram of the assembly of the needle winding module at the first angle in the utility model;

[0022] Figure 2 It is a schematic diagram of the assembly of the second angle of the needle winding module in the utility model;

[0023] Figure 3 It is a schematic diagram of the assembly of the winding needle module at the third angle in the utility model;

[0024] Figure 4 yes Figure 3 Sectional view in the AA direction;

[0025] Figure 5 It is an application state diagram of the winding needle module in the utility model;

[0026] Figure 6 This is another application state diagram of the winding needle module in the utility model. DETAILED DESCRIPTION

[0027] The following will clearly and completely describe the concept, specific structure and technical effects of the utility model in combination with the embodiments and drawings, so as to fully understand the purpose, characteristics and effects of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, other embodiments obtained by technical personnel in this field without creative work are all within the scope of protection of the utility model. In addition, all the connection / connection relationships involved in the patent do not refer to the direct connection of components, but refer to the formation of a better connection structure by adding or reducing connection accessories according to the specific implementation situation. The various technical features in the creation of the utility model can be combined interchangeably without conflicting with each other, refer to Figure 1-6

[0028] A motor-driven needle winding installation mechanism comprises a first turntable 11 and a second turntable 12 fixed to the first turntable 11, a sliding guide shaft 13 is arranged between the first turntable 11 and the second turntable 12, a sliding mounting seat 2 which can slide on the sliding guide shaft 13 is arranged on the sliding guide shaft 13, a needle winding drive motor 3 and a rotating mounting sleeve 4 are installed on the sliding mounting seat 2, the output shaft of the needle winding drive motor 3 is connected to the rotating mounting sleeve 4 and can drive the rotating mounting sleeve 4 to rotate, the rotating mounting sleeve 4 is rotatably installed on the sliding mounting seat 2 and is used to install the needle winding group 5.

[0029] In the present technical solution, the winding needle drive motor 3 directly drives the winding needle group 5 to operate through the rotating mounting sleeve 4. The winding needle group 5 is directly driven by the winding needle drive assembly 3, and there is no need to set up a complex power transmission device to drive the winding needle to operate like the existing winding machine. When the winding needle group 5 needs to change the workstation, the winding needle drive motor 3 is connected to the winding needle group 5 to change the workstation synchronously. The above technical solution greatly simplifies the structure, reduces the occupied space volume, requires better parts, and has a low implementation cost of the equipment. Moreover, it is more convenient and quick to assemble the equipment and maintain the equipment in the later stage, which can effectively improve production efficiency. In addition, since the complex power transmission device is eliminated, the energy consumption of the motor during the transmission process is lower, which can further reduce the production cost and effectively improve the market competitiveness of the product.

[0030] In this embodiment, the winding needle driving motor 3 is a servo motor.

[0031] Further, in the above technical solution, a mounting through hole 21 is provided in the middle of the sliding mounting seat 2, and the rotating mounting sleeve 4 is installed in the mounting through hole 21 through a bearing 41. The mounting through hole 21 is a stepped hole, and the sliding mounting seat 2 is provided with a bearing end cover 42 on its side for limiting the bearing 41. In this embodiment, there are two bearings 41, and the two bearings 41 install the rotating mounting sleeve 4 in the mounting through hole 21 of the sliding mounting seat 2. The front end of the rotating mounting sleeve 4 has a connecting disk extending to the side of the sliding mounting seat 2. The first rotary disk 11 is provided with a clearance hole adapted to the rotating mounting sleeve 4 and the winding needle group 5, and the winding needle group 5 can pass through the clearance hole.

[0032] Furthermore, a connecting through hole 40 is provided in the middle position of the rotating mounting sleeve 4, the inner end of the connecting through hole 40 is used to be fixedly connected to the output shaft of the winding needle driving motor 3, and the outer end of the connecting through hole 40 is used to fix the winding needle group 5, and the winding needle group 5 is fixedly connected to the output shaft of the winding needle driving motor 3 through the rotating mounting sleeve 4.

[0033] In addition, in order to control the number of turns and the rotation position of the winding needle group 5, a position sensor 61 is provided on the sliding mounting seat 2, and a position sensing sheet 62 cooperating with the position sensor 61 is provided on the rotating mounting sleeve 4, and a rotation control function can be provided through the position sensor 61 and the position sensing sheet 62. Specifically, the position sensor 6 can calculate the number of turns of the winding needle group 5 and the rotation angle of the winding needle group 5. When the winding needle group 5 is wound to a preset number of turns and reaches a preset position, the control device of the winding machine can control the winding needle drive motor 3 to stop running.

[0034] In this embodiment, there are two sliding mounting seats 2, and each of the sliding mounting seats 2 is correspondingly arranged on the two sliding guide shafts 13. Both ends of the sliding mounting seat 2 are provided with linear bearing mounting holes 22, and linear bearings 14 are arranged in the linear bearing mounting holes 22. The two ends of the sliding mounting seat 2 are correspondingly arranged on the two sliding guide shafts 13 through the two linear bearings 14. Specifically, the two linear bearing mounting holes 22 are symmetrically arranged on the movable mounting seat 2, and the mounting through hole 21 is arranged between the two linear bearing mounting holes 22.

[0035] In some other embodiments, the sliding mounting seats 2 may be provided in a plurality of numbers, such as 3, 4, or 5, provided that the use requirements are met and the movements of the components do not interfere with each other. The specific implementers may select the appropriate number according to the implementation environment, which will not be elaborated here.

[0036] Furthermore, in the above technical solution, in order to realize the needle threading and pulling function of the needle winding group 5, the motor-direct-driven needle winding installation mechanism also includes a needle threading and pulling drive component, which is arranged on the first rotary disk 11 and / or the second rotary disk 12. The action end of the needle threading and pulling drive component is connected to the sliding mounting seat 2 and can drive the sliding mounting seat 2 and the needle winding group 5 to move in the guide direction of the sliding guide shaft 13 to realize the needle threading or pulling function of the needle winding group 5. When in use, the sliding mounting seat 2 and the needle winding drive motor 3 and the needle winding group 5 are driven to move forward and backward by the needle threading and pulling drive component, and the needle winding group 5 completes the needle threading and pulling action during the forward and backward movement.

[0037] In some embodiments, the threading and pulling needle drive assembly may include a threading and pulling needle drive motor and a threading and pulling needle screw nut pair, the output shaft of the threading and pulling needle drive motor is connected to one end of the screw of the threading and pulling needle screw nut pair, the threading and pulling needle screw nut pair is arranged between the first turntable 11 and the second turntable 12, and the nut of the threading and pulling needle screw nut pair is fixedly connected to the sliding mounting seat 2 through a connecting block, and the threading and pulling needle drive motor can drive the sliding mounting seat 2 to slide on the sliding guide shaft 13 through the threading and pulling needle screw nut pair.

[0038] In addition, in order to control the sliding position and the limit position of the sliding mounting seat 2, a sensor may be provided to realize the control function.

[0039] Furthermore, since the electrical components in the winding needle drive motor 3 and the threading and pulling needle drive assembly rotate synchronously with the rotary disk, in order to provide electrical energy to these electrical components, the motor direct-drive winding needle installation mechanism also includes a conductive slip ring, which is used to provide power to the winding needle drive motor 3 and the electrical components in the threading and pulling needle drive assembly. Specifically, the conductive slip ring can provide power to the winding needle drive motor 3 and the threading and pulling needle drive motor.

[0040] In some other embodiments, the needle insertion and extraction drive assembly may also use an electric cylinder drive device when required.

[0041] In some other embodiments, when necessary, the needle insertion and extraction drive assembly may also adopt a cylinder drive device or an oil cylinder drive device. When a cylinder drive device or an oil cylinder drive device is used as the power device of the needle insertion and extraction drive assembly, the motor direct-driven needle winding installation mechanism should be provided with a corresponding air circuit rotary joint or an oil circuit rotary joint, and an air source is provided to the cylinder drive device through the air circuit rotary joint, and a hydraulic source is provided to the oil cylinder drive device through the oil circuit rotary joint.

[0042] Based on the above motor direct-driven needle winding installation mechanism, the utility model also provides:

[0043] A needle winding module comprises the above-mentioned motor direct-driven needle winding installation mechanism and a needle winding group 5 installed on the rotating installation sleeve 4.

[0044] Based on the above-mentioned motor direct-driven needle winding installation mechanism and needle winding module, the utility model also provides:

[0045] A battery winding machine comprises a wall panel 9 on which the above-mentioned motor direct-driven winding needle mounting mechanism or the above-mentioned winding needle module is mounted, wherein the first turntable 11 is rotatably mounted on the wall panel 9.

[0046] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.

Claims

1. A motor-driven needle winding installation mechanism, characterized in that: The invention comprises a first rotating disk (11) and a second rotating disk (12) fixed to the first rotating disk (11); a sliding guide shaft (13) is arranged between the first rotating disk (11) and the second rotating disk (12); a sliding mounting seat (2) which can slide on the sliding guide shaft (13) is arranged on the sliding guide shaft (13); a needle winding drive motor (3) and a rotating mounting sleeve (4) are installed on the sliding mounting seat (2); an output shaft of the needle winding drive motor (3) is connected to the rotating mounting sleeve (4) and can drive the rotating mounting sleeve (4) to rotate; the rotating mounting sleeve (4) is rotatably mounted on the sliding mounting seat (2) and is used to install a needle winding group (5).

2. The motor-driven needle winding installation mechanism according to claim 1, characterized in that: A mounting through hole (21) is provided in the middle of the sliding mounting seat (2); the rotating mounting sleeve (4) is mounted in the mounting through hole (21) via a bearing (41); the mounting through hole (21) is a stepped hole; and a bearing end cover (42) for limiting the position of the bearing (41) is provided on the side of the sliding mounting seat (2).

3. The motor-direct-driven needle winding installation mechanism according to claim 1, characterized in that: A connecting through hole (40) is provided in the middle of the rotating mounting sleeve (4), the inner end of the connecting through hole (40) is used for fixedly connecting to the output shaft of the needle winding drive motor (3), and the outer end of the connecting through hole (40) is used for fixedly mounting the needle winding group (5), and the needle winding group (5) is fixedly connected to the output shaft of the needle winding drive motor (3) through the rotating mounting sleeve (4).

4. The motor-direct-driven needle winding installation mechanism according to claim 1, characterized in that: The sliding mounting seat (2) is provided with a position sensor (61), and the rotating mounting sleeve (4) is provided with a position sensing sheet (62) that cooperates with the position sensor (61).

5. The motor-direct-driven needle winding installation mechanism according to claim 1, characterized in that: There are two sliding mounting seats (2), and each sliding mounting seat (2) is correspondingly arranged on two sliding guide shafts (13).

6. The motor-direct-driven needle winding installation mechanism according to claim 1, characterized in that: Both ends of the sliding mounting seat (2) are provided with linear bearing mounting holes (22), and linear bearings (14) are provided in the linear bearing mounting holes (22). The two ends of the sliding mounting seat (2) are correspondingly arranged on two sliding guide shafts (13) through two linear bearings (14).

7. A motor-direct-driven needle winding installation mechanism according to any one of claims 1 to 6, characterized in that: The motor-driven needle winding installation mechanism further comprises a needle threading and pulling drive assembly, which is arranged on the first rotating disk (11) and / or the second rotating disk (12). The active end of the needle threading and pulling drive assembly is connected to the sliding mounting seat (2) and can drive the sliding mounting seat (2) and the needle winding group (5) to move in the guide direction of the sliding guide shaft (13) to realize the needle threading or needle pulling function of the needle winding group (5).

8. The motor-direct-driven needle winding installation mechanism according to claim 7, characterized in that: The motor-direct-driven needle winding installation mechanism further comprises a conductive slip ring, which is used to provide power to the needle winding drive motor (3) and electrical components in the threading and pulling needle drive assembly.

9. A needle winding module, characterized in that: The needle winding module comprises the motor-direct-driven needle winding installation mechanism according to any one of claims 1 to 8 and a needle winding group (5) installed on the rotating installation sleeve (4).

10. A battery winding machine, characterized in that: The battery winding machine comprises a wall panel (9), on which is mounted the motor direct-driven needle winding mounting mechanism according to any one of claims 1 to 8 or the needle winding module according to claim 9, wherein the first turntable (11) is rotatably mounted on the wall panel (9).

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