CN111346353A

CN111346353A - Tennis self-cleaning equipment for sports training center

Info

Publication number: CN111346353A
Application number: CN202010270436.8A
Authority: CN
Inventors: 吴晓建
Original assignee: 吴晓建
Current assignee: Shengzhou fog non fog machinery and equipment business
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-06-30
Anticipated expiration: 2040-04-08
Also published as: CN111346353B

Abstract

The invention discloses automatic tennis ball cleaning equipment for a sports training center, which comprises a main machine body, wherein a cleaning space is formed in the main machine body, storage cavities are formed in the left side wall and the right side wall of the cleaning space, cleaning plates are arranged in the two storage cavities in a sliding mode, the cleaning plates are designed in an arc shape and can clamp tennis balls, the two cleaning plates can approach each other and rotate oppositely to clean the tennis balls, the tennis balls can be cleaned through the cleaning plates and a rotating column, a brush is equivalent to a manual brush for cleaning, and the cleaning plates and the rotating column are cooperated with each other, so that the outer surfaces of the tennis balls are cleaned comprehensively, and the cleaning effect is improved.

Description

Tennis self-cleaning equipment for sports training center

Technical Field

The invention relates to the technical field of sports goods, in particular to automatic tennis ball cleaning equipment for a sports training center.

Background

Tennis is a kind of ball game, usually go on between two single players or two pairs of combinations, the player hits the tennis with the tennis racket at the tennis court with the net separating, the tennis becomes dirty easily after using for a period of time, need to clear up it, traditional cleaning method generally is to soak the tennis in water, then manual cleaning, or use cleaning equipment to wash, it is more laborious and time-consuming to wash manually, and most cleaning equipment cleaning effect is not good on the market, and need to air the tennis for a long time after washing the completion, just can dry, especially in the stadium, if the tennis washes the later dry slow, can influence the training of sportsman, it is troublesome.

Disclosure of Invention

The invention aims to provide automatic tennis ball cleaning equipment for a sports training center, which is used for overcoming the defects in the prior art.

According to the automatic tennis ball cleaning equipment for the sports training center, the automatic tennis ball cleaning equipment comprises a main machine body, a cleaning space is formed in the main machine body, receiving cavities are formed in the left side wall and the right side wall of the cleaning space, cleaning plates are arranged in the two receiving cavities in a sliding mode, the cleaning plates are designed in an arc shape and can clamp tennis balls and can move close to each other and rotate oppositely to clean the tennis balls, a cylindrical cavity is formed in the lower side wall of the cleaning space, two turnover plates which are symmetrical left and right are rotationally arranged in the cylindrical cavity, the two turnover plates are fixedly connected through water baffles, the water baffles can seal the cylindrical cavity, a rotating column is rotationally arranged between the two turnover plates and is located on one of the upper side and the lower side of the water baffles, hairbrushes are fixedly arranged on the periphery of the rotating column and on one side face, close to each other, of the two cleaning plates, the tennis cleaning brush is used for cleaning tennis balls, a bottom cavity is formed in the bottom wall of the rotating column in a communicated mode, the rear side face of the bottom cavity is in an open design, a cylindrical barrel is arranged in the bottom cavity in a sliding mode, three spin-drying barrels are arranged in the cylindrical barrel in a rotating mode, and spin-drying spaces with upward openings are formed in the spin-drying barrels.

According to the technical scheme, a circular truncated cone is fixedly arranged on the top surface of the main machine body, a ball inlet pipeline which is communicated up and down is arranged in the circular truncated cone, the left side and the right side of the ball inlet pipeline are respectively provided with a driving plate in a rotating mode, the driving plates are respectively and fixedly arranged on the driving plates, driven gears are respectively and fixedly arranged on the rear sides of the driving plates, a sliding cavity is formed in the rear side of the ball inlet pipeline, a concave rack is arranged in the sliding cavity in a sliding mode, the concave rack is inverted to be in a concave shape, the driven gears are meshed with the concave rack, an air pump is fixedly embedded in the bottom wall of the sliding cavity, and the air pump is in power connection with the concave.

According to the technical scheme, the two sliding blocks are arranged on a side wall body, away from each other, of the containing cavity in a sliding mode, the two sliding blocks are provided with first electromagnet mechanisms for controlling the sliding blocks to slide left and right, the two sliding blocks are internally provided with spline sleeves in a rotating mode, the tail end of one side, close to each other, of each spline sleeve is fixed with the two cleaning plates, the two spline sleeves are internally provided with power shafts in a matched mode, the power shafts are connected with the main machine body in a rotating matched mode, a washing motor is fixedly arranged on a left side wall body of the main machine body, and the washing motor is connected with the left side of the power shafts in a power connection mode.

The technical scheme is that a cross shaft is rotatably arranged on the lower side of the sliding block on the left side, the left end of the cross shaft is in power connection with the power shaft on the left side through a transmission belt, a transmission bevel gear is rotatably arranged on the lower side of the sliding block on the right side, a first shaft is rotatably arranged on the right side of the transmission bevel gear, the right end of the first shaft is in power connection with the power shaft on the right side through the transmission belt, a first bevel gear is fixedly arranged at the left end of the first shaft, the first bevel gear is in meshing design with the transmission bevel gear, a horizontally arranged second shaft is rotatably arranged on the left side of the transmission bevel gear, a second bevel gear is fixedly arranged at the right end of the second shaft, the second bevel gear is meshed with the transmission bevel gear, and a cleaning power gear is fixedly arranged at the tail end of one, two it is equipped with the transmission shaft that extends about to rotate between the carousel to turn over, the middle part section with it is fixed to rotate the post, both ends all set firmly and wash driven gear about the transmission shaft, wash driven gear with wash power gear engagement.

According to a further technical scheme, rectangular cavities are formed in the left side and the right side of a cylindrical cavity, long sliding blocks are arranged in the rectangular cavities in a sliding mode, vertical spline sleeves are arranged in the long sliding blocks in a rotating mode, air-drying driven gears are fixedly arranged at the top ends of the vertical spline sleeves, fan shafts extending downwards are rotatably arranged on the bottom walls of the rectangular cavities, the fan shafts are connected with the vertical spline sleeves in a spline fit mode, two air-drying cavities which are symmetrical left and right are formed in the top wall of each bottom cavity, extending sections of the bottoms of the fan shafts extend into the air-drying cavities, fans used for blowing air are fixedly arranged at the tail ends of the bottoms of the fan shafts, air-drying power gears are fixedly arranged on the periphery of each transverse shaft and can be meshed with the air-drying driven gears on the left side, the air-drying driven gears on the right side can slide upwards and are meshed with the transmission bevel gears, and second electromagnet mechanisms, the second electromagnet mechanism controls the long sliding block to slide up and down, a turnover motor is fixedly arranged on the left side of the cylindrical cavity, turnover shafts are fixedly arranged on the end faces, far away from each other, of one side of each of the two turnover discs, and the turnover shafts on the left side are in power connection with the turnover motors.

According to the technical scheme, the spin-drying shafts are fixedly arranged on the bottom surfaces of the three spin-drying barrels and are in power connection through spin-drying belts, the bottom plate is arranged on the lower side of the bottom cavity and is in running fit with the cylindrical barrel, the spin-drying motor is fixedly embedded in the top surface of the bottom plate, the top end of the spin-drying motor is in power connection with the spin-drying shafts located in the middle, the transposition motor is fixedly arranged on the top surface of the bottom plate, the fluted disc is fixedly arranged on the bottom surface of the cylindrical barrel, teeth are arranged on the periphery of the fluted disc, the top end of the transposition motor is in power connection with transposition gears, and the transposition gears are meshed with the fluted disc.

According to the technical scheme, the rear side of the ball inlet pipeline is provided with a water inlet, the water inlet is communicated with a water inlet pipe fixedly arranged on the circular truncated cone, the top wall of the blowing cavity is fixedly provided with a heating wire, the heating wire can heat air in the blowing cavity, the periphery of the cylindrical barrel is fixedly provided with a water outlet pipe, and the water outlet pipe is communicated with the outside.

The invention has the beneficial effects that: the tennis ball drying machine has the advantages that tennis balls can be washed through the washing plate and the rotating column, the brush is equivalent to a brush which is manually held to wash, the washing plate and the rotating column are mutually cooperated, so that the outer surfaces of the tennis balls are comprehensively washed, the washing effect is improved, meanwhile, the tennis ball drying barrel can be used for drying after the tennis balls are washed, the tennis balls are accelerated to be dried through the air blowing of the fan, the tennis balls can automatically enter a drying space from the washing space through the overturning of the overturning disc, the step of manual transfer is omitted, the manpower is saved, meanwhile, the tennis ball drying machine is relatively simple in structure, convenient to operate and convenient to use in sports places.

Drawings

FIG. 1 is a schematic view of the internal structure of an automatic tennis ball cleaning device for a sports training center according to the present invention;

FIG. 2 is a top view of the cylindrical drum of the present invention;

FIG. 3 is an enlarged partial schematic view of A of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged partial schematic view of B of FIG. 1 in accordance with the present invention;

FIG. 5 is a sectional view of the air pump of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1-5, an automatic tennis ball cleaning device for a sports training center according to an embodiment of the present invention includes a main body 10, a cleaning space 40 is formed in the main body 10, receiving cavities 39 are formed on both left and right sidewalls of the cleaning space 40, cleaning plates 38 are slidably disposed in both the receiving cavities 39, the cleaning plates 38 are designed in an arc shape, the cleaning plates 38 can hold a tennis ball, the two cleaning plates 38 can approach each other and rotate oppositely to clean the tennis ball, a cylindrical cavity 26 is formed on a lower sidewall of the cleaning space 40, two turnover discs 28 that are symmetrical left and right are rotatably disposed in the cylindrical cavity 26, the two turnover discs 28 are fixedly connected through a water baffle 27, the water baffle 27 can seal the cylindrical cavity 26, a rotation column 29 is rotatably disposed between the two turnover discs 28, the tennis ball drying machine is characterized in that the rotating column 29 is located on one of the upper side and the lower side of the water baffle 27, brushes 31 are fixedly arranged on the periphery of the rotating column 29 and one side face, close to each other, of the two cleaning plates 38, the brushes 31 are used for cleaning tennis balls, a bottom cavity 90 is communicated with and formed in the bottom wall of the rotating column 29, the rear side face of the bottom cavity 90 is in an open design, a cylindrical barrel 11 is slidably mounted in the bottom cavity 90, three drying barrels 14 are rotatably arranged in the cylindrical barrel 11, drying spaces 15 with upward openings are formed in the drying barrels 14, when the cylindrical barrel 11 rotates, the drying spaces 15 can be sequentially aligned with the cylindrical cavity 26, the tennis balls can fall into the drying spaces 15 from the cylindrical cavity 26, and the drying barrels 14 rotate to enable the tennis balls to be dried.

Beneficially or exemplarily, a circular truncated cone 41 is fixedly arranged on the top surface of the main body 10, a ball inlet pipeline 46 which is vertically through is arranged in the circular truncated cone 41, dial plates 42 are rotatably arranged at the left side and the right side of the ball inlet pipeline 46, dial plates 44 are fixedly arranged on the two dial plates 42, driven gears 83 are fixedly arranged at the rear sides of the two dial plates 42, a sliding cavity 81 is arranged at the rear side of the ball inlet pipeline 46, a concave rack 82 is arranged in the sliding cavity 81 in a sliding way, the concave rack 82 is inverted concave, the driven gear 83 is meshed with the concave rack 82, an air pump 80 is fixedly embedded on the bottom wall of the sliding cavity 81, the air pump 80 is in power connection with the concave rack 82, the concave rack 82 can slide up and down through the work of the air pump 80, so that the driven gear 83 drives the dial 42 to rotate, and the dial plate 44 dials the tennis ball into the cleaning space 40.

Beneficially or exemplarily, sliding blocks 36 are slidably disposed on a sidewall body of each of the two receiving cavities 39, which is far away from each other, first electromagnet mechanisms 35 for controlling the sliding blocks 36 to slide left and right are disposed on upper sides of the two sliding blocks 36, spline sleeves 37 are rotatably disposed in the two sliding blocks 36, ends of one sides, which are close to each other, of the two spline sleeves 37 are respectively fixed to the two cleaning plates 38, power shafts 34 are respectively connected in the two spline sleeves 37 in a spline fit manner, the power shafts 34 are connected with the main body 10 in a rotation fit manner, a washing motor 32 is fixedly disposed on a left sidewall body of the main body 10, and the washing motor 32 is in power connection with a left side end of the left power shaft 34.

Beneficially or exemplarily, a transverse shaft 95 is rotatably arranged on the lower side of the sliding block 36 on the left side, the left end of the transverse shaft 95 is in power connection with the power shaft 34 on the left side through a transmission belt 33, a transmission bevel gear 48 is rotatably arranged on the lower side of the sliding block 36 on the right side, a first shaft 47 is rotatably arranged on the right side of the transmission bevel gear 48, the right end of the first shaft 47 is in power connection with the power shaft 34 on the right side through the transmission belt 33, a first bevel gear 49 is fixedly arranged at the left end of the first shaft 47, the first bevel gear 49 is in meshing design with the transmission bevel gear 48, a second shaft 92 which is horizontally arranged is rotatably arranged on the left side of the transmission bevel gear 48, a second bevel gear 50 is fixedly arranged at the right end of the second shaft 92, the second bevel gear 50 is in meshing design with the transmission bevel gear 48, and a cleaning power gear 65 is fixedly arranged at the end of the, a transmission shaft 30 extending left and right is rotatably arranged between the two turning discs 28, the middle section is fixed with the rotating column 29, the left end and the right end of the transmission shaft 30 are respectively and fixedly provided with a cleaning driven gear 64, the cleaning driven gear 64 is meshed with the cleaning power gear 65, through the work of the washing motor 32, the two cleaning plates 38 can rotate oppositely, so that tennis balls can be cleaned, and meanwhile, the rotating column 29 rotates to clean the parts which can not be rubbed by the cleaning plates 38.

Beneficially or exemplarily, the left side and the right side of the cylindrical cavity 26 are both provided with rectangular cavities 56, the rectangular cavities 56 are slidably provided with long sliders 60, the long sliders 60 are rotatably provided with vertical spline housings 58, the top end of each vertical spline housing 58 is fixedly provided with an air drying driven gear 57, the bottom wall of each rectangular cavity 56 is rotatably provided with a fan shaft 59 extending downwards, the fan shaft 59 is in spline fit connection with the vertical spline housings 58, the top wall of each bottom cavity 90 is provided with two air drying cavities 25 which are symmetrical left and right, the bottom extension section of each fan shaft 59 extends into the air drying cavity 25, the bottom tail end of each fan shaft 59 is fixedly provided with a fan 23 for blowing air, the outer periphery of each transverse shaft 95 is fixedly provided with an air drying power gear 55, the air drying power gear 55 can be meshed with the air drying driven gear 57 on the left side, the air drying driven gear 57 on the right side can be meshed with the transmission bevel gear 48 in an upward sliding manner, the two long sliding blocks 60 are provided with second electromagnet mechanisms 54 on the side surfaces far away from each other, the second electromagnet mechanisms 54 control the long sliding blocks 60 to slide up and down, the left side of the cylindrical cavity 26 is fixedly provided with a turning motor 62, the end surfaces of the two turning discs 28 far away from each other are fixedly provided with turning shafts 63, the turning shafts 63 on the left side are in power connection with the turning motor 62, and the turning columns 29 can rotate downwards through the work of the turning motors 62, so that tennis balls can fall on the water baffle 27.

Beneficially or exemplarily, three spin-drying shafts 17 are fixedly arranged on the bottom surfaces of the three spin-drying drums 14, the three spin-drying shafts 17 are in power connection through a spin-drying belt 16, a bottom plate 13 is arranged on the lower side of the bottom cavity 90, the bottom plate 13 is in running fit with the cylindrical drum 11, a spin-drying motor 18 is fixedly embedded on the top surface of the bottom plate 13, the top end of the spin-drying motor 18 is in power connection with the spin-drying shaft 17 located in the middle, a transposition motor 19 is fixedly arranged on the top surface of the bottom plate 13, a toothed disc 20 is fixedly arranged on the bottom surface of the cylindrical drum 11, teeth are arranged on the periphery of the toothed disc 20, a transposition gear 21 is dynamically connected to the top end of the transposition motor 19, and the transposition gear 21 is meshed with.

Advantageously or exemplarily, a water inlet 45 is opened at the rear side of the ball inlet pipeline 46, the water inlet 45 is communicated with a water inlet pipe 43 fixed on the circular truncated cone 41, an electric heating wire 24 is fixed on the top wall of the blowing cavity 25, the electric heating wire 24 can heat the air in the blowing cavity 25, a water outlet pipe 22 is fixed on the outer circumference of the cylindrical barrel 11, the water outlet pipe 22 is communicated with the outside, and water can enter the cleaning space 40 by adding water into the water inlet pipe 43.

In the initial state, the two cleaning plates 38 are located in the housing chamber 39, the rotating column 29 is located on the upper side of the water guard 27, and the long slider 60 is located at the most downward position.

When the tennis ball cleaning device is used, firstly, tennis balls are put into the ball inlet pipeline 46, water is added into the water inlet pipe 43, the air pump 80 is controlled to work, the concave rack 82 is moved upwards, the driven gear 83 drives the driving plate 42 to rotate, so that the driving plate 44 drives the tennis balls to enter the cleaning space 40, the time control first electromagnet mechanism 35 works, so that the cleaning plate 38 clamps the tennis balls, then the washing motor 32 is controlled to work, the power shaft 34 drives the power shaft 34 to rotate, the power shaft 34 drives the cross shaft 95 to rotate through the transmission belt 33, so that the cleaning power gear 65 drives the cleaning driven gear 64 to rotate, so that the transmission shaft 30 drives the second shaft 92 to rotate, so that the first shaft 47 rotates, so that the two cleaning plates 38 rotate in opposite directions, so that the cleaning plate 38 cleans the tennis balls, meanwhile, the rotating column 29 cleans places which cannot be cleaned by the cleaning plates 38, and after, controlling the operation of the turning motor 62 to turn over the turning shaft 63 to drive the turning disc 28 to turn over, so that tennis balls in the cleaning space 40 enter the cylindrical cavity 26, then controlling the turning motor 62 to work reversely to reset the rotating column 29, so that tennis balls enter the spin-drying space 15, simultaneously operating the air pump 80 to rotate the driving plate 42, so that another tennis ball enters the cleaning space 40 to be cleaned again, controlling the operation of the transposition motor 19 to drive the transposition gear 21 to rotate the cylindrical barrel 11, so that tennis balls enter another spin-drying space 15, controlling the operation of the spin-drying motor 18 to dry the spin-drying barrel 14 when three spin-drying spaces 15 are filled with tennis balls, controlling the operation of the second electromagnet mechanism 54 to mesh the air-drying driven gear 57 with the air-drying power gear 55, and electrifying the electric heating wires 24, so that the fan 23 rotates, thereby, the drying by blowing is carried out, and the cleaning of the tennis is accelerated.

It will be apparent to those skilled in the art that various modifications may be made to the above embodiments without departing from the general spirit and concept of the invention. All falling within the scope of protection of the present invention. The protection scheme of the invention is subject to the appended claims.

Claims

1. The utility model provides a sports training center is with tennis self-cleaning equipment, includes the host computer body, its characterized in that: the tennis cleaning machine is characterized in that a cleaning space is formed in the main machine body, storage cavities are formed in the left side wall and the right side wall of the cleaning space, cleaning plates are arranged in the two storage cavities in a sliding mode, the cleaning plates are designed in an arc shape and can clamp tennis balls and can mutually approach and reversely rotate to clean the tennis balls, a cylindrical cavity is formed in the lower side wall of the cleaning space, two turnover discs which are bilaterally symmetrical are rotationally arranged in the cylindrical cavity, the two turnover discs are fixedly connected through a water baffle plate which can seal the cylindrical cavity, a rotating column is rotationally arranged between the two turnover discs and is located on one of the upper side and the lower side of the water baffle plate, hairbrushes are fixedly arranged on the periphery of the rotating column and on a side face, close to each other, of the two cleaning plates, and are used for cleaning the tennis balls, the spin dryer is characterized in that a bottom cavity is formed in the bottom wall of the rotating column in a communicated mode, the rear side face of the bottom cavity is of an open design, a cylindrical barrel is arranged in the bottom cavity in a sliding mode, three spin dryer tubes are rotatably arranged in the cylindrical barrel, and a spin drying space with an upward opening is formed in each spin dryer tube.

2. The automatic tennis ball cleaning device for sports training centers as recited in claim 1, wherein: the utility model discloses a ball inlet pipe way, including host computer body, set firmly the round platform on the top surface of host computer body, set up the goal pipeline that link up from top to bottom in the round platform, the left and right sides of goal pipeline all rotates and is equipped with the driver plate, two all set firmly the driver plate on the driver plate, two the rear side of driver plate all has set firmly driven gear, the sliding chamber has been seted up to the rear side of goal pipeline, it is equipped with concave type rack to slide in the sliding chamber, the "concave" style of calligraphy of concave type rack position inversion, driven gear with concave type rack toothing, the solid air pump that has inlayed on the diapire of sliding chamber, the air pump with concave type rack power.

3. The automatic tennis ball cleaning device for sports training centers as recited in claim 2, wherein: two it is equipped with the gliding piece, two all to slide on the wall body of a side that accomodates the chamber and keep away from each other the upside of gliding piece all is equipped with the first electromagnet mechanism of control gliding piece horizontal slip, two it is equipped with the spline housing all to rotate in the gliding piece, two one side end that the spline housing is close to each other is respectively with two it is fixed to wash the board, two equal spline fit connection has the power shaft in the spline housing, the power shaft with the host computer body normal running fit is connected, the motor of washing has set firmly on the wall body of the left side of the host computer body, it is left to wash motor and left the left side end power of power shaft is connected.

4. The automatic tennis ball cleaning device for sports training centers as recited in claim 3, wherein: a cross shaft is rotatably arranged on the lower side of the left sliding block, the left end of the cross shaft is in power connection with the power shaft on the left side through a transmission belt, a transmission bevel gear is rotatably arranged on the lower side of the sliding block on the right side, a first shaft is rotatably arranged on the right side of the transmission bevel gear, the right end of the first shaft is in power connection with the power shaft on the right side through the transmission belt, a first bevel gear is fixedly arranged at the left end of the first shaft and is in meshing design with the transmission bevel gear, a horizontally arranged second shaft is rotatably arranged on the left side of the transmission bevel gear, a second bevel gear is fixedly arranged at the right end of the second shaft and is in meshing engagement with the transmission bevel gear, a cleaning power gear is fixedly arranged at the end of one side, close to the cross shaft, of the second shaft and the cross shaft, and a transmission shaft extending, the middle section with it is fixed to rotate the post, both ends all set firmly and wash driven gear about the transmission shaft, wash driven gear with wash power gear engagement.

5. The automatic tennis ball cleaning device for sports training centers as recited in claim 4, wherein: rectangular cavities are formed in the left side and the right side of the cylindrical cavity, long sliding blocks are arranged in the rectangular cavities in a sliding mode, vertical spline sleeves are arranged in the long sliding blocks in a rotating mode, air-drying driven gears are fixedly arranged at the top ends of the vertical spline sleeves, fan shafts extending downwards are rotatably arranged on the bottom walls of the rectangular cavities, the fan shafts are connected with the vertical spline sleeves in a spline fit mode, two air-drying cavities which are symmetrical left and right are formed in the top wall of the bottom cavity, bottom extending sections of the fan shafts extend into the air-drying cavities, fans used for blowing are fixedly arranged at the tail ends of the bottoms of the fan shafts, air-drying power gears are fixedly arranged on the periphery of the transverse shaft and can be meshed with the air-drying driven gears on the left side, the air-drying driven gears on the right side can slide upwards and are meshed with the transmission bevel gears, and a second electromagnet mechanism is arranged on, the second electromagnet mechanism controls the long sliding block to slide up and down, a turnover motor is fixedly arranged on the left side of the cylindrical cavity, turnover shafts are fixedly arranged on the end faces, far away from each other, of one side of each of the two turnover discs, and the turnover shafts on the left side are in power connection with the turnover motors.

6. The automatic tennis ball cleaning device for sports training centers as recited in claim 5, wherein: the bottom surface of the spin dryer tube is fixedly provided with spin drying shafts, the spin drying shafts are connected through a spin drying belt in a power mode, a bottom plate is arranged on the lower side of the bottom cavity, the bottom plate is matched with the cylindrical tube in a rotating mode, a spin drying motor is fixedly embedded on the top surface of the bottom plate, the top end of the spin drying motor is in power connection with the spin drying shafts located in the middle, a transposition motor is fixedly arranged on the top surface of the bottom plate, a fluted disc is fixedly arranged on the bottom surface of the cylindrical tube, teeth are arranged on the periphery of the fluted disc, the top end of the transposition motor is in power connection with a transposition gear, and the transposition gear is meshed with the fluted disc.

7. The automatic tennis ball cleaning device for sports training centers as recited in claim 6, wherein: the back side of the ball inlet pipeline is provided with a water inlet which is communicated with a water inlet pipe fixedly arranged on the circular truncated cone, the top wall of the blowing cavity is fixedly provided with a heating wire, the heating wire can heat the air in the blowing cavity, the periphery of the cylindrical barrel is fixedly provided with a water outlet pipe, and the water outlet pipe is communicated with the outside.