A sleeve shaft mechanism capable of eliminating clearance and rotating separately

Abstract

The present invention discloses a sleeve shaft mechanism capable of eliminating clearance and being rotated separately, comprising a primary transmission shaft and a fixed sleeve, wherein the primary transmission shaft and the fixed sleeve are connected via a bearing C, and a clearance-eliminating shrapnel is provided at the connection between the primary transmission shaft and the fixed sleeve. In the sleeve shaft mechanism capable of eliminating clearance and being rotated separately, the primary transmission shaft and the fixed sleeve are connected via a bearing, and a clearance-eliminating shrapnel A is provided in the middle to achieve constant pressure pre-tightening and eliminate the axial movement of the primary transmission shaft. The secondary transmission shaft is connected to the primary transmission shaft via bearings D and bearings B, and constant pressure pre-tightening is performed by the clearance-eliminating shrapnel B to prevent the axial movement of the secondary transmission shaft. The tertiary transmission shaft is connected to the secondary transmission shaft via bearings E and bearings A, and constant pressure pre-tightening is performed by the clearance-eliminating shrapnel C, and locking is performed by a locking nut to prevent the axial movement of the tertiary transmission shaft, thereby saving space and cost, and being suitable for being widely promoted and used.

Description

Technical Field

[0001] The invention relates to the technical field of winding machines, in particular to a sleeve shaft mechanism capable of eliminating gaps and rotating separately. Background Art

[0002] According to different industry classifications, winding machines include: lithium battery winding machines, capacitor winding machines, textile winding machines, etc. Among them, lithium battery winding machines are used to wind battery cells.

[0003] At present, in the process of winding lithium battery cells, each winding station is required to be switched, and rotational power needs to be provided separately. Currently, the power is mostly provided by three helical gear stations, which occupy a large space and have a large moment of inertia. The axial movement of each axis is large, and high requirements are placed on the structure of the connecting support components. Summary of the invention

[0004] The technical problem to be solved by the present invention is to overcome the existing defects and provide a sleeve shaft mechanism that can be rotated separately to eliminate the gap. The primary transmission shaft is connected to the fixed sleeve by a bearing, and a clearance-eliminating spring piece A is added in the middle to achieve constant pressure preload and eliminate the axial movement of the primary transmission shaft. The secondary transmission shaft is connected to the primary transmission shaft through bearings D and bearings B, and constant pressure preload is performed by the clearance-eliminating spring piece B to prevent the axial movement of the secondary transmission shaft. The tertiary transmission shaft is connected to the secondary transmission shaft through bearings E and bearings A, and constant pressure preload is performed by the clearance-eliminating spring piece C, and locked by a locking nut to prevent the axial movement of the tertiary transmission shaft, saving space and cost, and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sleeve shaft mechanism that can rotate separately to eliminate gaps, comprising a primary transmission shaft and a fixed sleeve, the primary transmission shaft and the fixed sleeve are connected via a bearing C, and a gap-eliminating spring is provided at the connection between the primary transmission shaft and the fixed sleeve, the primary transmission shaft is connected to the secondary transmission shaft via bearings B and bearings D, and a gap-eliminating spring is provided at the connection between the secondary transmission shaft and the primary transmission shaft, the secondary transmission shaft is connected to the tertiary transmission shaft via bearings E and bearings A, a gap-eliminating spring C is provided at the connection between the tertiary transmission shaft and the secondary transmission shaft, and a gasket is installed on the left side of the gap-eliminating spring B.

[0006] As a preferred technical solution of the present invention, a synchronous pulley A is installed on the primary transmission shaft, a synchronous pulley B is installed on the secondary transmission shaft, and a synchronous pulley C is installed on the tertiary transmission shaft.

[0007] As a preferred technical solution of the present invention, a gear A is installed on the primary transmission shaft, a gear B is installed on the secondary transmission shaft, and a gear C is installed on the tertiary transmission shaft.

[0008] As a preferred technical solution of the present invention, the right end face of the three-stage transmission shaft is locked with a shaft end gland A and a shaft end gland B by a locking nut.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: the primary transmission shaft is connected to the fixed sleeve by a bearing, and a clearance-eliminating spring piece A is added in the middle to achieve constant pressure preload and eliminate the axial movement of the primary transmission shaft. The secondary transmission shaft is connected to the primary transmission shaft through bearings D and bearings B, and constant pressure preload is performed by the clearance-eliminating spring piece B to prevent the axial movement of the secondary transmission shaft. The tertiary transmission shaft is connected to the secondary transmission shaft through bearings E and bearings A, and constant pressure preload is performed by the clearance-eliminating spring piece C, and is locked by a locking nut to prevent the axial movement of the tertiary transmission shaft, thereby saving space and cost, eliminating the axial clearance of the power shaft, and enabling the product to meet different subsequent processing techniques and achieve constant pressure preload. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the present invention;

[0011] In the figure: 1. locking nut; 2. synchronous pulley A; 3. synchronous pulley B; 4. synchronous pulley C; 5. primary transmission shaft; 6. fixed sleeve; 7. anti-backlash spring A; 8. gear A; 9. gear B; 10. gear C; 11. shaft end pressure cover A; 12. shaft end pressure cover B; 13. bearing A; 14. bearing B; 15. bearing C; 16. bearing D; 17. anti-backlash spring B; 18. gasket; 19. secondary transmission shaft; 20. tertiary transmission shaft; 21. bearing E; 22. anti-backlash spring C. DETAILED DESCRIPTION

[0012] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0013] See also Figure 1The present invention provides a technical solution: a sleeve shaft mechanism that can rotate separately to eliminate gaps, comprising a primary transmission shaft 5 and a fixed sleeve 6, wherein the primary transmission shaft 5 is connected to the fixed sleeve 6 via a bearing C15, and a gap-eliminating spring piece 7 is provided at the connection between the primary transmission shaft 5 and the fixed sleeve 6, the primary transmission shaft 5 is connected to a secondary transmission shaft 19 via a bearing B14 and a bearing D16, and a gap-eliminating spring piece 17 is provided at the connection between the secondary transmission shaft 19 and the primary transmission shaft 5, the secondary transmission shaft 19 is connected to a tertiary transmission shaft 20 via a bearing E21 and a bearing A13, a gap-eliminating spring piece C22 is provided at the connection between the tertiary transmission shaft 20 and the secondary transmission shaft 19, and a gasket 18 is installed on the left side of the gap-eliminating spring piece B17.

[0014] In this embodiment, Figure 1 As shown, the primary transmission shaft 5 is connected to the fixed sleeve 6 by a bearing 15, and a clearance-eliminating spring piece A7 is added in the middle to achieve constant pressure preload and eliminate the axial movement of the primary transmission shaft 5. The secondary transmission shaft 19 is connected to the primary transmission shaft 5 through bearings D16 and B14, and is constant pressure preloaded by the clearance-eliminating spring piece B17 to prevent the axial movement of the secondary transmission shaft 19. The tertiary transmission shaft 20 is connected to the secondary transmission shaft 19 through bearings E21 and A13, and is constant pressure preloaded by the clearance-eliminating spring piece C22, and is locked by the locking nut 1 to prevent the axial movement of the tertiary transmission shaft 20, saving space and cost, eliminating the axial clearance of the power shaft, and enabling the product to meet different subsequent processing technologies and achieve constant pressure preload.

[0015] Among them, a synchronous pulley A2 is installed on the primary transmission shaft 5, a synchronous pulley B3 is installed on the secondary transmission shaft 19, and a synchronous pulley C4 is installed on the tertiary transmission shaft 21.

[0016] In this embodiment, Figure 1 As shown, the first-stage transmission shaft 5, the second-stage transmission shaft 19, and the third-stage transmission shaft 21 of the equipment are respectively equipped with synchronous pulleys 2, synchronous pulleys 3, and synchronous pulleys 4. The synchronous pulleys are connected to the motors through synchronous belts to realize the input transmission power respectively.

[0017] Among them, the first-stage transmission shaft 5 is installed with a gear A8, the second-stage transmission shaft 19 is installed with a gear B9, and the third-stage transmission shaft 21 is installed with a gear C10.

[0018] In this embodiment, Figure 1 As shown, the first-stage transmission shaft 5, the second-stage transmission shaft 19, and the third-stage transmission shaft 21 of the equipment are respectively equipped with gears 8, gears 9, and gears 10, and the transmission power is outputted respectively through the gears.

[0019] The right side end face of the third-stage transmission shaft 23 is locked with a shaft end gland A11 and a shaft end gland B12 via a locking nut 1 .

[0020] In this embodiment, Figure 1 As shown, there is a clearance-eliminating spring piece 22 at the connection between the third-stage transmission shaft (23) and the second-stage transmission 19 of the equipment, which is connected by an end face locking cover 12 and a locking nut 1, so that the axial gap between them is eliminated after the connection, and constant pressure pre-tightening is achieved.

[0021] When in use: the primary transmission shaft 5 is connected to the fixed sleeve 6 by a bearing 15, and a clearance-eliminating spring piece A7 is added in the middle to achieve constant pressure preload and eliminate the axial movement of the primary transmission shaft 5. The secondary transmission shaft 19 is connected to the primary transmission shaft 5 through bearings D16 and B14, and is constant pressure preloaded by the clearance-eliminating spring piece B17 to prevent the axial movement of the secondary transmission shaft 19. The tertiary transmission shaft 20 is connected to the secondary transmission shaft 19 through bearings E21 and A13, and is constant pressure preloaded by the clearance-eliminating spring piece C22, and is locked by the locking nut 1 to prevent the axial movement of the tertiary transmission shaft 20, saving space and cost, eliminating the axial clearance of the power shaft, and enabling the product to meet different subsequent processing technologies and achieve constant pressure preload.

[0022] The locking nut 1; synchronous pulley A2; synchronous pulley B3; synchronous pulley C4; primary transmission shaft 5; fixed sleeve 6; anti-backlash spring piece A7; gear A8; gear B9; gear C10; shaft end pressure cover A11; shaft end pressure cover B12; bearing A13; bearing B14; bearing C15; bearing D16; anti-backlash spring piece B17; gasket 18; secondary transmission shaft 19; tertiary transmission shaft 20; bearing E21; anti-backlash spring piece C22 of the present invention are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or through conventional experimental methods.

[0023] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if these modifications and variations of the embodiments of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sleeve-shaft mechanism capable of eliminating clearance and being rotatable separately, comprising a primary transmission shaft (5) and a fixed sleeve (6), characterized in that: The primary transmission shaft (5) is connected to the fixed sleeve (6) via a bearing C (15), and a backlash-eliminating spring piece A (7) is provided at the connection between the primary transmission shaft (5) and the fixed sleeve (6); the primary transmission shaft (5) is connected to the secondary transmission shaft (19) via a bearing B (14) and a bearing D (16), and a backlash-eliminating spring piece B (17) is provided at the connection between the secondary transmission shaft (19) and the primary transmission shaft (5); the secondary transmission shaft (19) is connected to the tertiary transmission shaft (20) via a bearing E (21) and a bearing A (13), and a backlash-eliminating spring piece is provided at the connection between the tertiary transmission shaft (20) and the secondary transmission shaft (19). A backlash-eliminating spring piece C (22) is installed on the left side of the backlash-eliminating spring piece B (17); a synchronous pulley A (2) is installed on the primary transmission shaft (5), a synchronous pulley B (3) is installed on the secondary transmission shaft (19), and a synchronous pulley C (4) is installed on the tertiary transmission shaft (20); a gear A (8) is installed on the primary transmission shaft (5), a gear B (9) is installed on the secondary transmission shaft (19), and a gear C (10) is installed on the tertiary transmission shaft (20); the right end face of the tertiary transmission shaft (20) is locked with a shaft end pressure cover A (11) and a shaft end pressure cover B (12) through a locking nut (1).

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