Shaft cleaning mechanism

Abstract

The shaft cleaning mechanism comprises a supporting plate, the supporting plate is connected with a first lifting assembly and an advancing and retreating assembly, a winding wheel is arranged on the supporting plate, a first pressing assembly is arranged below the winding wheel, a pressing wheel assembly is arranged on cleaning cloth at the bottom end of the supporting plate, and the top end of the pressing wheel assembly is connected with a second lifting assembly. The first pressing assembly is fixed to the supporting plate through a fixing piece, the pressing wheel is connected with the fixing piece through a rotating piece, an elastic unit is arranged between the rotating end of the rotating piece and the fixing piece, and the pressing wheel makes contact with the power wheel assembly. The first lifting assembly and the advancing and retreating assembly move the pressing wheel to the position making contact with the shaft, after contact, the pressing wheel assembly moves downwards to make close contact with the shaft, the first pressing assembly makes contact with the power wheel and presses the cleaning cloth between the first pressing assembly and the power wheel, and it is ensured that the cleaning cloth does not slip and advances by the specified stroke. The cleaning cloth can be automatically wound, the wiping position is automatically controlled through servo, and the efficiency and stability of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of automobile brushless motor rotor shaft cleaning, specifically relates to a shaft cleaning mechanism. BACKGROUND

[0002] In the field of automobile brushless motor rotor shaft cleaning, according to market demand, the equipment beat requirement is low, and the workpiece cleanliness requirement is high, so it is necessary to increase the cleaning requirement for the rotor bearing part. In the prior art, the pressing arrangement of the cloth strip is only through the simple setting of a tensioning wheel, and the slipping phenomenon is prone to occur.

[0003] Chinese patent publication number CN219273524U, published on June 30, 2023, discloses a utility model named a pair of clamping type glue dispensing gun wiping mechanism. The patent discloses a pair of clamping type glue dispensing gun wiping mechanism, which comprises a base plate, a top seat, a servo motor, a wiping cloth, and a clamping jaw cylinder. The top seat is connected with the base plate through a support rod, and a pay-off reel and a take-up wheel are arranged on the upper end of the top seat. The servo motor is located at the bottom end of the top seat, and the shaft of the servo motor is coaxially connected with the take-up wheel. The wiping cloth is unwound from the pay-off reel, passes through a tensioning wheel and multiple guide wheels in sequence, and is finally wound up by the take-up wheel. The clamping jaw cylinder is located at the bottom end of the top seat, and a clamping seat is arranged on the two clamping jaws of the clamping jaw cylinder. Although the utility model sets a tensioning wheel, it does not set a pressing mechanism, and the cleaning cloth is prone to slipping, which increases the probability of equipment failure, increases the downtime of the equipment, and affects the work efficiency. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of shaft cleaning mechanism, by setting pressing assembly, ensure that cleaning cloth and power wheel pressing ensure that cleaning cloth advances specified journey, prevent cleaning cloth from appearing slipping phenomenon, can automatically wind cleaning cloth, improve equipment stability.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of shaft cleaning mechanism, including support plate, support plate is connected with first lifting assembly and advance and retreat component, support plate is equipped with take-up wheel, take-up wheel below is equipped with first pressing assembly, support plate bottom cleaning cloth is equipped with press wheel component, press wheel component top end connects second lifting assembly;First pressing assembly is fixed on support plate by fixed part, pressing wheel is connected by rotating part and fixed part, and elastic unit is arranged between rotating end of rotating part and fixed part, and pressing wheel and power wheel component are in contact. By first lifting assembly and advance and retreat component, press wheel is moved to contact position with shaft, press wheel component moves downward after contact, ensure and shaft tight contact, drive motor drives power wheel rotation, first pressing assembly is in contact with power wheel, and the cleaning cloth between the two is pressed, to ensure that cleaning cloth does not slip and advances specified journey. Cleaning cloth can be automatically wound, wiping position is automatically controlled by servo, which improves the efficiency and stability of the equipment.

[0006] Preferably, the power wheel assembly comprises a power wheel, the power wheel and a driven wheel on the other side of the support plate are fixedly connected, the driven wheel is connected with a driving motor through a synchronous belt 10 and a driving wheel, the driving wheel and the driven wheel are knurled wheels, the power wheel and the driven wheel are fixedly connected through a shaft, the driving motor is arranged at the middle part of the support plate, the power wheel assembly is arranged at the right side of the driving motor, and the power wheel assembly and the driving motor are arranged below the winding wheel. The synchronous belt 10 is used to connect the driving wheel and the driven wheel, so that energy loss can be reduced and transmission efficiency can be improved. The power wheel and the driven wheel are fixedly connected through the shaft, so that the power wheel and the driven wheel are convenient to disassemble and replace, and maintenance cost is reduced.

[0007] Preferably, a baffle is arranged outside the power wheel, a dividing disc is arranged between the power wheel and the support plate, a pressing wheel is arranged between the dividing disc and the baffle, and the pressing wheel is arranged obliquely above the power wheel assembly. The pressing wheel is arranged obliquely above the power wheel, the baffle is a circular plate, the center of the circular plate and the axis of the power wheel are on the same axis, and the diameter of the baffle is greater than the diameter of the power wheel. The use of the dividing disc can improve the positioning accuracy of the pressing wheel and ensure that the contact position of the cleaning cloth with the shaft is accurate. The design of the baffle can prevent the cleaning cloth from deviating during cleaning and keep the movement of the cleaning cloth.

[0008] Preferably, the rotating piece is an L-shaped block, the short side of the rotating piece is hingedly connected with a fixed piece through a pin shaft, an elastic unit is arranged between the lower surface of the bottom end of the long side of the rotating piece and the fixed piece, the power wheel is arranged on the top surface of the top end of the short side of the rotating piece through a bearing seat, and the bearing seat is in a U shape. The elastic unit can ensure the close contact between the cleaning cloth and the shaft.

[0009] Preferably, the fixed piece comprises a blocking column, the blocking column is perpendicular to the support plate, an elastic unit is arranged between the bottom end of the long side of the rotating piece and the blocking column, and the elastic unit is a spring. The fixed piece comprises a rectangular plate, the rectangular plate is fixed on the support plate through bolts, the blocking column is perpendicular to the rectangular plate, and the blocking column is arranged at the top end of the rectangular plate.

[0010] Preferably, the top end of the support plate is provided with a winding wheel and a unwinding wheel, the cleaning cloth is connected between the winding wheel and the unwinding wheel, the cleaning cloth is unwound from the unwinding disc, sequentially passes through a plurality of tensioning wheels and guide wheels, and is finally wound by the winding wheel. The winding wheel and the unwinding wheel are symmetrically arranged along the central axis of the support plate. The automatic winding and unwinding of the cleaning cloth can reduce manual operation and improve cleaning efficiency. Through the design of the tensioning wheels and the guide wheels, the tension of the cleaning cloth can be kept uniform, and poor cleaning effect caused by uneven tension can be avoided.

[0011] Preferably, the top end of the unwinding wheel is provided with an anti-skid cylinder, and the bottom is provided with a second pressing assembly, the second pressing assembly is in contact with the guide wheel, the first pressing assembly is arranged obliquely upward, and the second pressing assembly is arranged obliquely downward. The pressing wheel of the second pressing assembly and the guide wheel in contact with it are on the same horizontal line, the anti-skid cylinder can ensure that the cleaning cloth does not slip during cleaning, and the cleaning effect is improved. The design of the second pressing assembly can ensure the close contact between the cleaning cloth and the shaft, and improve the cleaning effect.

[0012] Preferably, the pressing wheel of the second pressing assembly and the guide wheel in contact with it are on the same horizontal line, and the cleaning cloth passes through the bottom end of the pressing wheel assembly and passes between the driving wheel and the pressing wheel.

[0013] Preferably, the top end of the winding wheel is connected with the winding motor, the pressing wheel assembly comprises a pressing wheel arranged at the bottom end, the pressing wheel is connected with a lifting cylinder, and the pressing wheel is provided with guide wheels on both sides. The accurate control of the winding motor can ensure the accurate winding position of the cleaning cloth, and improve the operation accuracy.

[0014] Preferably, the back surface of the supporting plate is connected with a first lifting assembly, the first lifting assembly comprises a plurality of lifting cylinders, and one side of the supporting plate is connected with a feeding and retreating motor through a connecting plate. By arranging the feeding and retreating assembly and the first lifting assembly, the position of the supporting plate can be conveniently adjusted to adapt to different cleaning requirements.

[0015] The utility model discloses a kind of shaft cleaning mechanisms, by setting pressing assembly, it is ensured that cleaning cloth is pressed with driving wheel, and it is ensured that cleaning cloth advances specified distance, prevents cleaning cloth to appear skidding phenomenon, can automatically wind cleaning cloth, improves equipment stability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is overall structural diagram of the utility model.

[0017] Figure 2 It is the front structure schematic drawing of supporting plate and its upper assembly.

[0018] Figure 3 It is the back internal structure schematic drawing of supporting plate and its upper assembly.

[0019] Figure 4 It is Figure 2 The enlarged view of A.

[0020] Reference numerals: 1: support plate; 2: winding wheel; 3: unwinding wheel; 4: cleaning cloth; 5: winding motor; 6: driving motor; 7: driving wheel; 8: driven wheel; 9: power wheel; 10: synchronous belt; 11: index plate; 12: baffle; 13: first pressing assembly; 13.1: pressing wheel; 13.2: fixed part; 13.3: rotating part; 13.4: spring; 13.5: blocking column; 13.6: bearing seat; 14: pressing wheel; 15: second lifting assembly; 16: guide wheel; 17: anti-skid cylinder; 18: advance and retreat motor; 19: first lifting assembly; 20: base; 21: second pressing assembly. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0022] As Figure 1 and Figure 2As shown, a shaft cleaning mechanism, including a support plate 1, the support plate 1 is vertically arranged on the upper surface of the base 20, the support plate 1 and its upper assembly are arranged perpendicular to the upper surface of the base 20, the back of the support plate 1 is provided with a fixed plate, and the first lifting assembly 19 is connected between the fixed plate and the support column, and the embodiment preferably has three lifting cylinders, two of which are arranged below the synchronous belt 10 on the back, respectively arranged on both sides of the back of the support plate 1, symmetrically along the central axis of the support plate 1, and the other lifting cylinder is arranged above the synchronous belt 10 and located on the central axis of the support plate 1, and is sleeved on the guide column, the support plate 1 is connected with the first lifting assembly 19 and the advance and retreat assembly, the support plate 1 is provided with a winding wheel 2, and the first pressing assembly 13 is arranged below the winding wheel 2, the cleaning cloth 4 is arranged on the bottom end of the support plate 1, and the pressure wheel assembly is arranged on the cleaning cloth 4, and the pressure wheel assembly is connected with the second lifting assembly 15 at the top end; the first pressing assembly 13 is fixed on the support plate 1 through the fixing piece 13.2, the pressing wheel 13.1 is connected through the rotating piece 13.3 and the fixing piece 13.2, and the elastic unit is arranged between the rotating end of the rotating piece 13.3 and the fixing piece 13.2. The pressing wheel 14 is moved to the position in contact with the shaft by the first lifting assembly 19 and the advance and retreat assembly, and after contact, the pressing wheel 14 moves downward to ensure close contact with the shaft, the driving motor 6 drives the power wheel 9 to rotate, the first pressing assembly 13 contacts with the power wheel 9, and the cleaning cloth 4 between the two is pressed to ensure that the cleaning cloth 4 does not slip and advances a specified stroke. The cleaning cloth 4 can be automatically wound, the wiping position is automatically controlled by the servo, the efficiency and stability of the equipment are improved, the tediousness and uncertainty of manual operation are greatly reduced, the shaft cleaning work can be accurately and efficiently carried out according to the preset program, the problem of incomplete cleaning or damage to the shaft caused by manual operation error is effectively avoided, and a strong guarantee is provided for the smooth operation of the production process.

[0023] As Figure 3As shown, in the preferred embodiment, the power wheel assembly includes a power wheel 9, which is fixedly connected with the driven wheel 8 on the other side of the support plate 1, and the driven wheel 8 is connected with the driving wheel 7 through the synchronous belt 10, and the driving wheel 7 is connected with the driving motor 6. In this embodiment, the driving wheel 7 and the driven wheel 8 are preferably knurled wheels, and the power wheel 9 and the driven wheel 8 are fixedly connected through a shaft, and the driving motor 6 is arranged at the middle part of the support plate 1, the power wheel assembly is arranged at the right side of the driving motor 6, and the power wheel assembly and the driving motor 6 are arranged below the winding wheel 2. By connecting the driving wheel 7 and the driven wheel 8 through the synchronous belt 10, the energy loss can be reduced, the transmission efficiency can be improved, and the power can be stably and efficiently transmitted to the power wheel 9, so that the cleaning cloth 4 can uniformly and powerfully wipe the shaft, thereby improving the cleaning effect, reducing the energy consumption of the equipment, and saving the production cost. The power wheel 9 and the driven wheel 8 are fixedly connected through a shaft, which facilitates disassembly and replacement, reduces maintenance cost, and in the long-term operation of the equipment, once a wheel is worn or fails, the parts can be quickly replaced, the equipment downtime is reduced, the production continuity is improved, and the production benefit is ensured.

[0024] As shown in Figure 2 and Figure 4 As shown in the preferred embodiment, the power wheel 9 is provided with a baffle 12 on the outer side, and the power wheel 9 and the support plate 1 are provided with a protractor 11 therebetween, and the compression wheel 13.1 is arranged between the protractor 11 and the baffle 12, and is arranged obliquely above the power wheel assembly, specifically, the compression wheel 13.1 is arranged above the right side of the power wheel assembly. The compression wheel 13.1 is arranged obliquely above the power wheel 9, the baffle 12 is a circular plate, the center is on the same axis as the axis of the power wheel 9, and the diameter of the baffle 12 is greater than the diameter of the power wheel 9. The use of the protractor 11 can improve the positioning accuracy of the compression wheel 13.1, ensure the accurate contact position of the cleaning cloth 4 with the shaft, make the cleaning cloth 4 uniformly apply wiping pressure, effectively remove dirt on the shaft, avoid the problem of local overcleaning or insufficient cleaning caused by deviation of the contact position, and improve the cleaning quality. The design of the baffle 12 can prevent the cleaning cloth 4 from deviating during cleaning, maintain the movement of the cleaning cloth 4, ensure that the cleaning cloth 4 always wipes the shaft along the predetermined track, prevent the cleaning cloth 4 from wrinkling or winding on the power wheel 9 or other components, reduce the occurrence of cleaning failures, and improve the stability and reliability of the cleaning operation.

[0025] As shown in Figure 4As shown, in the preferred embodiment, the rotating member 13.3 is an L-shaped block, with the long edge of the rotating member 13.3 inclined upward to the right side, and the short edge of the rotating member 13.3 connected by a pin shaft and a fixed member 13.2. This connection not only simplifies the structure, but also gives the rotating member a certain flexibility. Due to this connection, the rotating member can rotate freely within a certain range, which creates favorable conditions for the subsequent pressure adjustment mechanism. An elastic unit is provided between the lower surface of the long edge bottom end and the fixed member 13.2, and in this embodiment, the elastic unit is preferably a spring 13.4. The power wheel 9 is arranged on the top surface of the short edge of the rotating member 13.3 through a bearing seat 13.6, and the bearing seat 13.6 is U-shaped. The elastic unit can ensure the close contact between the cleaning cloth 4 and the power wheel 9. The cleaning cloth 4 passes between the power wheel 9 and the pressing wheel. When there are small irregularities on the surface of the cleaning cloth 4 or the power wheel 9 vibrates slightly during cleaning, the elastic unit can adaptively adjust the pressure of the pressing wheel 13.1. This adaptive adjustment capability ensures that the cleaning cloth 4 is always in close contact with the surface of the power wheel 9, thereby ensuring the stability of the cleaning effect. In addition, the elastic unit can effectively prevent the cleaning cloth from slipping during the advancing process, ensuring that the cloth can advance according to the specified stroke, thereby improving the cleaning efficiency and quality. Through these design optimizations, the entire cleaning mechanism is more stable and reliable during operation, and can adapt to various complex cleaning environments and requirements.

[0026] As shown in Figure 4 In the preferred embodiment, the fixed member 13.2 includes a blocking column 13.5, which is perpendicular to the support plate 1 and is arranged at the bend of the rotating member 13.3. An elastic unit, which is a spring 13.4, is provided between the long edge bottom end of the rotating member 13.3 and the blocking column 13.5. The fixed member 13.2 includes a rectangular plate, which is fixed to the support plate 1 by bolts. The blocking column 13.5 is perpendicular to the rectangular plate and is arranged at the top end of the rectangular plate. This design of the fixed member 13.2 is simple and stable. The rectangular plate is reliably connected to the support plate 1 by bolts, ensuring that the entire fixed member 13.2 does not loosen or displace during equipment operation, providing stable support for the rotating member 13.3 and the elastic unit. The blocking column 13.5 is perpendicular to the rectangular plate and cooperates with the elastic unit to precisely limit the rotation range of the rotating member 13.3, ensuring that the pressing wheel 13.1 can flexibly adjust the pressure within a reasonable range, so that the contact pressure between the cleaning cloth 4 and the power wheel 9 is just right, achieving stable cleaning effect and protecting equipment components from damage.

[0027] As shown in Figure 1 and Figure 2As shown, in a preferred embodiment, the top of the support plate 1 is provided with a take-up roller 2 and an unwind roller 3. A cleaning cloth 4 is connected between the take-up roller 2 and the unwind roller 3. The cleaning cloth 4 is released from the unwind reel under the drive of the drive motor 6, passes through several tension rollers and guide rollers 16 in sequence (preferably nine tension rollers and guide rollers 16 in this embodiment), and is finally wound up by the take-up roller 2 under the action of the take-up motor 5. The take-up roller 2 and the unwind roller 3 are symmetrically arranged along the central axis of the support plate 1. The automatic take-up and unwind of the cleaning cloth 4 can reduce manual operation, improve cleaning efficiency, free operators from the tedious work of changing and tidying the cleaning cloth 4, allowing them to focus on equipment monitoring and maintenance, reducing labor costs, and avoiding the risk of secondary contamination from manual contact with the cleaning cloth 4. Through the design of the tension rollers and guide rollers 16, the tension of the cleaning cloth 4 can be kept uniform, avoiding poor cleaning effect caused by uneven tension, ensuring that the cleaning cloth 4 runs smoothly throughout the wiping process, wiping the shaft surface evenly, improving the stability of cleaning quality, and ensuring that each shaft cleaning reaches a high standard.

[0028] like Figure 2 As shown, in a preferred embodiment, the top of the unwinding roller 3 is provided with an anti-slip cylinder 17, and the bottom is provided with a second pressing component 21. The second pressing component 21 is in contact with the guide roller 16. The first pressing component 13 is set obliquely upward, and the second pressing component 21 is set obliquely downward. The pressing roller 13.1 of the second pressing component 21 and the guide roller 16 in contact with it are on the same horizontal line. The anti-slip cylinder 17 can ensure that the cleaning cloth 4 will not slip during the cleaning process, improve the cleaning effect, prevent the cleaning cloth 4 from slipping due to insufficient friction during the unwinding process, ensure that the cleaning cloth 4 provides stable and continuous material support for shaft cleaning, and avoid cleaning interruption or waste of the cleaning cloth 4. The design of the second pressing component 21 can ensure close contact between the cleaning cloth 4 and the roller, avoid the cleaning cloth 4 from slipping, improve the cleaning stability, and work together with the first pressing component 13 to press the cleaning cloth 4 from different stroke points, ensuring that the cleaning cloth 4 can travel stably for a specified stroke and improve the overall stability of the equipment.

[0029] like Figure 1 and Figure 2As shown, in the preferred embodiment, the top end of the winding wheel 2 is connected to the winding motor 5, and the pressure wheel assembly includes a pressure wheel 14 arranged at the bottom end, the top end of which is connected to a second lifting assembly 15. The pressure wheel 14 is vertically arranged, with the top end connected to a lifting block that is sleeved on a guide column. The back of the lifting block is connected to a lifting cylinder. Two guide wheels 16 are arranged on both sides of the pressure wheel 14. The two guide wheels 16 are symmetrical along the vertical symmetry axis of the pressure wheel 14. Precise control of the winding motor 5 can ensure the accuracy of the winding position of the cleaning cloth 4, improve the accuracy of operation, make the cleaning cloth 4 neatly and tightly wound on the winding wheel 2 during winding, facilitate the next use, and at the same time avoid problems such as jamming and tearing of the cleaning cloth 4 caused by uneven winding, prolong the service life of the cleaning cloth 4, and reduce material cost. The cleaning cloth 4 passes through the bottom end of the two guide wheels 16 and the pressure wheel 14. The pressure wheel 14 vertically ascends along the predetermined track, ensuring that the cleaning cloth 4 is in close contact with the shaft and the pressure is evenly distributed, improving the cleaning effect and the stability of the equipment operation.

[0030] As Figure 1 As shown, in the preferred embodiment, the back of the support plate 1 is connected to a first lifting assembly 19, which is composed of several lifting cylinders. The design of these lifting cylinders enables the support plate 1 to be accurately adjusted in the vertical direction, thereby adapting to different cleaning needs of different heights. One side of the support plate 1 is connected to the advance and retreat motor 18 through a connecting plate, and the advance and retreat motor 18 is responsible for pushing or pulling the support plate 1 in the horizontal direction to realize the position adjustment of the support plate 1 in the horizontal direction. This design makes the entire shaft cleaning mechanism have high flexibility and adaptability in space layout. Whether it is facing shafts of different sizes or in different layouts of production lines, the shaft cleaning mechanism can be quickly and accurately adjusted to the best working position. This flexibility greatly improves the versatility and adaptability of the equipment, enabling it to be widely used in various production scenarios. Reducing the cost of customizing equipment, providing efficient and convenient shaft cleaning solutions in diversified production scenarios.

[0031] Obviously, the above embodiments are only examples for the sake of clarity, and are not limiting to the embodiments. Based on the above description, other different forms of changes or variations can be made by those of ordinary skill in the art. Here, it is not necessary and impossible to exhaust all embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A shaft cleaning mechanism comprising a support plate, characterized in that, The support plate is connected with a first lifting assembly and a forward and backward assembly, and the support plate is provided with a winding wheel, and a first pressing assembly is arranged below the winding wheel, a pressing wheel assembly is arranged at the bottom end of the support plate, and the top end of the pressing wheel assembly is connected with a second lifting assembly; The first pressing assembly is fixed on the support plate through a fixing piece, the pressing wheel is connected through a rotating piece and a fixing piece, and an elastic unit is arranged between the rotating end of the rotating piece and the fixing piece, and the pressing wheel is in contact with the power wheel assembly.

2. A shaft cleaning mechanism according to claim 1, wherein, The power wheel assembly comprises a power wheel, the power wheel and a driven wheel on the other side of the support plate are fixedly connected, the driven wheel is connected with a driving wheel through a synchronous belt, and the driving wheel is connected with a driving motor.

3. A shaft cleaning mechanism according to claim 2, wherein, A baffle is arranged outside the power wheel, a dividing disc is arranged between the power wheel and the support plate, the pressing wheel is arranged between the dividing disc and the baffle, and is arranged obliquely above the power wheel assembly.

4. A shaft cleaning mechanism according to claim 1 or 3, characterised in that The rotating piece is an L-shaped block, the short side of the rotating piece is hingedly connected with the fixing piece through a pin shaft, and the bottom end of the long side is provided with an elastic unit between the lower surface and the fixing piece.

5. A shaft cleaning mechanism according to claim 4, wherein, The fixing piece comprises a blocking column, the blocking column is perpendicular to the support plate, and the bottom end of the long side of the rotating piece is provided with an elastic unit between the blocking column.

6. A shaft cleaning mechanism according to claim 1, wherein, The top end of the support plate is provided with a winding wheel and a unwinding wheel, a cleaning cloth is connected between the winding wheel and the unwinding wheel, the cleaning cloth is unwound from the unwinding wheel, passes through a plurality of tensioning wheels and guide wheels in sequence, and is finally wound by the winding wheel.

7. A shaft cleaning mechanism according to claim 6, wherein, The top end of the unwinding wheel is provided with an anti-skid cylinder, and the bottom is provided with a second pressing assembly, the second pressing assembly is in contact with the guide wheel, the first pressing assembly is arranged obliquely upward, and the second pressing assembly is arranged obliquely downward.

8. A shaft cleaning mechanism according to claim 7, wherein, The pressing wheel of the second pressing assembly and the guide wheel in contact therewith are on the same horizontal line, and the cleaning cloth passes through the bottom end of the pressing wheel assembly and passes between the power wheel and the pressing wheel.

9. A shaft cleaning mechanism according to claim 1 or 6, wherein The top end of the winding wheel is connected with a winding motor, the pressing wheel assembly comprises a pressing wheel arranged at the bottom end, the pressing wheel is connected with a lifting cylinder, and guide wheels are arranged on both sides of the pressing wheel.

10. A shaft cleaning mechanism according to claim 1, wherein, The back of the support plate is connected with the first lifting assembly, the first lifting assembly comprises a plurality of lifting cylinders, and one side of the support plate is connected with a forward and backward motor through a connecting plate.

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