Auxiliary unwinding device

Abstract

The utility model provides an auxiliary unwinding device which comprises an unwinding assembly, and the unwinding assembly comprises a bearing plate, a driving motor, a mounting cover, a magnetic powder clutch, a coupler, a chain wheel, a mounting bolt, a connecting shaft and an unwinding shaft. And the mounting cover is fixedly connected to the upper surface of the bearing plate. The driving motor drives the coupler, the coupler drives the magnetic powder clutch, the magnetic powder clutch can drive the chain wheel and the connecting shaft to rotate, the connecting shaft drives the unwinding shaft, then the unwinding action of a material belt can be achieved, and in the working process, adjustable torsion can be generated through the magnetic powder clutch so as to meet different use requirements; compared with the prior art, the magnetic powder clutch is adopted to replace a traditional speed reducer, the torque is transmitted through the electromagnetic principle and the magnetic powder, accurate control over the torque can be achieved by accurately controlling excitation current, and the requirement for accurate control over parameters such as tension and speed in the production process is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of unwinding devices, specifically auxiliary unwinding device, belong to unwinding device technical field. BACKGROUND

[0002] Auxiliary unwinding device is a kind of equipment for realizing material steady, continuous unwinding in specific production process. It is usually composed of rack, unwinding mechanism (including unwinding shaft and driving mechanism), guiding mechanism and other parts. By accurately controlling the unwinding speed and tension of material, it ensures that material can advance according to predetermined path and speed, so as to meet the needs of automatic production line. In the production process of lithium iron phosphate battery pole plate side guard plate, PET tape is continuously unwound through unwinding device, and reaches production station after being guided by guiding mechanism.

[0003] The current unwinding device is generally driven by motor and speed reducer as driving mechanism, which drives unwinding wheel to rotate. The speed reducer mainly realizes speed reduction and torque increase through gear transmission. In the occasion where tension, speed and other parameters need to be accurately controlled, the response speed and adjustment range of driving mechanism are often limited. Therefore, an auxiliary unwinding device is proposed. SUMMARY

[0004] Therefore, the utility model provides an auxiliary unwinding device to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.

[0005] The technical scheme of the utility model embodiment is realized as follows: an auxiliary unwinding device, comprising an unwinding assembly, the unwinding assembly comprising a bearing plate, a driving motor, a mounting cover, a magnetic powder clutch, a shaft coupling, a chain wheel, a mounting bolt, a connecting shaft and an unwinding shaft.

[0006] The mounting cover is fixedly connected to the upper surface of the bearing plate, the driving motor is installed on one side of the mounting cover, one end of the shaft coupling is fixedly connected with the motor shaft of the driving motor, the other end of the shaft coupling is fixedly connected with the power input shaft of the magnetic powder clutch, the chain wheel is installed on the outer side wall of the power output shaft of the magnetic powder clutch, the magnetic powder clutch is installed on one side of the inner wall of the mounting cover, one end of the connecting shaft is fixedly connected with the end of the chain wheel away from the magnetic powder clutch, and the other end of the connecting shaft is fixedly connected with the unwinding shaft through the mounting bolt.

[0007] Further preferably, the magnetic powder clutch and the shaft coupling are located inside the mounting cover.

[0008] Further preferably, the unwinding assembly further comprises an unwinding wheel and a tape storage groove.

[0009] The tape storage groove is equidistantly provided on the outer side wall of the unwinding wheel.

[0010] Further preferably, the unwinding wheel is mounted to the outer sidewall of the unwinding shaft.

[0011] Further preferably, a support assembly is arranged below the unwinding assembly, the support assembly comprising a support frame and a bottom fixing frame.

[0012] The bottom end of the support frame is fixedly connected to the upper surface of the bottom fixing frame.

[0013] Further preferably, the top end of the support frame is fixedly connected to the lower surface of the bearing plate.

[0014] Further preferably, the unwinding wheel is located at one side of the support assembly.

[0015] Further preferably, the power output shaft of the magnetic powder clutch penetrates the mounting cover and is rotationally connected with the mounting cover, and the chain wheel is located outside the mounting cover.

[0016] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0017] The utility model discloses a drive motor drives the shaft coupling, and the shaft coupling drives the magnetic powder clutch, and the magnetic powder clutch can drive the rotation of the chain wheel and the connecting shaft, and the connecting shaft drives the unwinding shaft, and then the unwinding action of the material belt can be realized, and in the working process, the adjustable torsion can be generated through the magnetic powder clutch to satisfy different use demands, and compared with the prior art, the utility model discloses a magnetic powder clutch instead of traditional speed reducer, utilizes electromagnetic principle and magnetic powder to transfer torque, and the accurate control of torque can be realized through the accurate control of excitation current to satisfy the accurate control demand of parameters such as tension and speed in the production process.

[0018] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features will be readily apparent to those skilled in the art by reference to the drawings and the following detailed description. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed in the embodiment or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0020] Figure 1 The structural diagram of the utility model;

[0021] Figure 2 is a structure diagram of the unwinding assembly of the utility model;

[0022] Figure 3 is a schematic diagram of the connection between the driving motor and the magnetic powder clutch of the utility model;

[0023] Figure 4 is a structure diagram of the connecting shaft of the utility model.

[0024] The drawings show that: 101, unwinding assembly; 11, bearing plate; 12, driving motor; 13, mounting cover; 14, unwinding wheel; 15, magnetic powder clutch; 16, shaft coupling; 17, chain wheel; 18, mounting bolt; 19, connecting shaft; 20, unwinding shaft; 21, material belt storage groove; 301, supporting assembly; 31, supporting frame; 32, bottom fixed frame. DETAILED DESCRIPTION

[0025] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can realize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0026] The embodiments of the utility model will be described in detail below with reference to the drawings.

[0027] As Figures 1-4 shown, the utility model embodiment provides a kind of auxiliary unwinding device, including unwinding assembly 101, unwinding assembly 101 including bearing plate 11, driving motor 12, mounting cover 13, magnetic powder clutch 15, shaft coupling 16, chain wheel 17, mounting bolt 18, connecting shaft 19 and unwinding shaft 20;

[0028] Mounting cover 13 is fixedly connected to the upper surface of bearing plate 11, driving motor 12 is installed on one side of mounting cover 13, one end of shaft coupling 16 is fixedly connected with the motor shaft of driving motor 12, the other end of shaft coupling 16 is fixedly connected with the power input shaft of magnetic powder clutch 15, the outer side wall of the power output shaft of magnetic powder clutch 15 is equipped with chain wheel 17, magnetic powder clutch 15 is installed on the inner wall side of mounting cover 13, one end of connecting shaft 19 is fixedly connected with the end of chain wheel 17 away from magnetic powder clutch 15, the other end of connecting shaft 19 is fixedly connected with unwinding shaft 20 by mounting bolt 18;

[0029] Unwinding assembly 101 is used to realize the unwinding operation of material belt, drives shaft coupling 16 by driving motor 12, drives magnetic powder clutch 15 by shaft coupling 16, magnetic powder clutch 15 can drive chain wheel 17 and connecting shaft 19 to rotate, to realize the unwinding of material belt in turn;

[0030] By adopting the magnetic powder clutch 15 to replace the traditional speed reducer, the torque transmitted by the magnetic powder clutch 15 to the chain wheel 17 is basically linearly related to the excitation current, so that the precise control of the torque can be realized by precisely controlling the excitation current, so as to meet the precise control requirements of the tension, speed and other parameters in the production process;

[0031] The power output end of the magnetic powder clutch 15 is provided with the chain wheel 17 and the connecting shaft 19. In work, the connecting shaft 19 drives the unwinding shaft 20 to rotate. In addition, under the cooperation of the chain wheel 17, the chain transmission mode can also be used to realize the transmission of power.

[0032] In one embodiment, the magnetic powder clutch 15 and the shaft coupling 16 are located inside the mounting cover 13. The power output shaft of the magnetic powder clutch 15 penetrates the mounting cover 13 and is rotationally connected with the mounting cover 13. The chain wheel 17 is located outside the mounting cover 13. The mounting cover 13 can play a limiting and protective role. In the process of power transmission, the stability of the structure and the safety of use are increased.

[0033] In one embodiment, the unwinding assembly 101 further comprises an unwinding wheel 14 and a material belt storage groove 21.

[0034] The material belt storage groove 21 is equidistantly opened on the outer side wall of the unwinding wheel 14. The material belt storage groove 21 is used for winding and storing the material belt used in the production process.

[0035] In one embodiment, the unwinding wheel 14 is installed on the outer side wall of the unwinding shaft 20. In the working process, the connecting shaft 19 drives the unwinding shaft 20 to rotate, and the unwinding shaft 20 drives the unwinding wheel 14 to rotate, thereby realizing the unwinding action of the material belt.

[0036] In one embodiment, the unwinding assembly 101 is provided below with a supporting assembly 301. The supporting assembly 301 comprises a supporting frame 31 and a bottom fixed frame 32.

[0037] The bottom end of the supporting frame 31 is fixedly connected to the upper surface of the bottom fixed frame 32. The top end of the supporting frame 31 is fixedly connected to the lower surface of the bearing plate 11. The unwinding wheel 14 is located on one side of the supporting assembly 301. The whole can be stably supported by the supporting assembly 301, and will not shake in work.

[0038] The utility model discloses a work time: use mounting bolt 18 to install unwinding shaft 20 on connecting shaft 19, drive motor 12 drive coupling 16, and coupling 16 drive magnetic powder clutch 15, and magnetic powder clutch 15 drive sprocket 17 and connecting shaft 19 rotation, and connecting shaft 19 drive unwinding shaft 20 rotation, and unwinding shaft 20 drive unwinding wheel 14 rotation, and then can realize the unwinding action of material belt, in the working process, through magnetic powder clutch 15 can produce adjustable torsion, and the rotational speed of unwinding wheel 14 is adjusted to satisfy different use demand.

[0039] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. An auxiliary unwinding device, comprising an unwinding assembly (101), characterized in that: The unwinding assembly (101) includes a support plate (11), a drive motor (12), a mounting cover (13), a magnetic powder clutch (15), a coupling (16), a sprocket (17), mounting bolts (18), a connecting shaft (19), and an unwinding shaft (20). The mounting cover (13) is fixedly connected to the upper surface of the bearing plate (11). The drive motor (12) is mounted on one side of the mounting cover (13). One end of the coupling (16) is fixedly connected to the motor shaft of the drive motor (12). The other end of the coupling (16) is fixedly connected to the power input shaft of the magnetic powder clutch (15). A sprocket (17) is mounted on the outer side wall of the power output shaft of the magnetic powder clutch (15). The magnetic powder clutch (15) is mounted on one side of the inner wall of the mounting cover (13). One end of the connecting shaft (19) is fixedly connected to the end of the sprocket (17) away from the magnetic powder clutch (15). The other end of the connecting shaft (19) is fixedly connected to the unwinding shaft (20) through the mounting bolt (18).

2. The auxiliary unwinding device according to claim 1, characterized in that: The magnetic powder clutch (15) and the coupling (16) are both located inside the mounting cover (13).

3. The auxiliary unwinding device according to claim 2, characterized in that: The unwinding assembly (101) also includes an unwinding wheel (14) and a strip receiving groove (21). The strip receiving groove (21) is equidistantly opened on the outer side wall of the unwinding reel (14).

4. The auxiliary unwinding device according to claim 3, characterized in that: The unwinding roller (14) is mounted on the outer side wall of the unwinding shaft (20).

5. The auxiliary unwinding device according to claim 4, characterized in that: A support assembly (301) is provided below the unwinding assembly (101), the support assembly (301) including a support frame (31) and a bottom fixing frame (32). The bottom end of the support frame (31) is fixedly connected to the upper surface of the bottom fixing frame (32).

6. The auxiliary unwinding device according to claim 5, characterized in that: The top of the support frame (31) is fixedly connected to the lower surface of the bearing plate (11).

7. The auxiliary unwinding device according to claim 6, characterized in that: The unwinding reel (14) is located on one side of the support assembly (301).

8. The auxiliary unwinding device according to claim 2, characterized in that: The power output shaft of the magnetic powder clutch (15) passes through the mounting cover (13) and is rotatably connected to the mounting cover (13), and the sprocket (17) is located outside the mounting cover (13).

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