Table tennis serving robot

Abstract

The invention relates to the technical field of sports equipment, and discloses a table tennis serving robot which comprises a supporting frame located on one side of a table tennis table. The serving assembly comprises a storage groove, a conveying piece and a plurality of serving pieces, the conveying piece is arranged on the supporting frame, the storage groove is formed in the conveying piece and used for conveying table tennis balls into the conveying piece, and the serving pieces are arranged on the conveying piece in the axial direction and used for serving the table tennis balls to the other side of the table tennis table; the ball distributing assembly comprises a ball distributing groove and a ball distributing piece, the conveying piece is communicated with the ball serving pieces through the ball distributing groove, the ball distributing piece is arranged in the ball distributing groove, and the table tennis balls entering the ball distributing groove are conveyed into one of the ball serving pieces through the ball distributing piece; the collecting assembly comprises a collecting net and a collecting piece, the collecting net covers one side of the table tennis table, and the collecting piece is arranged on the supporting frame and communicates with the storage groove. The training result can be easily known, ball serving is stable, random ball serving is conducted at multiple ball serving points, and the reaction training effect of athletes is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of sports equipment, and particularly to a table tennis serving robot. Background Art

[0002] Table tennis is a world-famous ball sports event, including offense, confrontation, and defense. With the improvement of people's living quality, more and more people practice table tennis. During table tennis training, a serving device is used to replace the manual ball feeding of a training partner to solve the problem of its large workload.

[0003] In the patent with the publication number CN113769359A and the patent name "A Table Tennis Serving Device", a ball storage bin, a serving assembly, a rotating assembly, and a supporting assembly are disclosed. The ball storage bin is used to accommodate table tennis balls; the serving assembly includes a housing, a conveying pipe built in the housing, and a ball outlet pipe hinged to the conveying pipe; a conveying wheel for driving the table tennis ball to be conveyed along the conveying path is provided in the conveying pipe. One end of the ball outlet pipe is hinged to the end of the conveying pipe, and the other end is exposed outside the housing and is driven to swing by a swinging part arranged on the housing; the rotating assembly is arranged at the bottom of the housing to drive the housing to rotate; the supporting assembly has a fixed adjustment part for fixing to the table tennis table, a vertical adjustment part for adjusting the serving assembly in the vertical direction, and a horizontal adjustment part for adjusting the serving assembly in the horizontal direction to achieve multi-drop point and large-area serving.

[0004] The table tennis serving device in the above related technology is a single-port emission device. Even if it can adjust the angle and serving method, the table tennis balls are always emitted through a single serving hole. Athletes only need to stare at a single emission port, and random training cannot be carried out, so the training effect of the reaction speed cannot be guaranteed. In addition, the existing serving devices usually only have the serving function and cannot realize grouped training and collection and statistics of table tennis balls, so the training effect of athletes cannot be intuitively understood.

[0005] Therefore, there is an urgent need for a table tennis serving robot to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to provide a table tennis serving robot to solve the problems existing in the above prior art.

[0007] To achieve the above purpose, the present invention provides the following solution: The present invention provides a table tennis serving robot, including:

[0008] A support frame located on one side of the table tennis table;

[0009] The serving component includes a storage slot, a conveying member, and a plurality of serving members. The conveying member is arranged on the support frame, and the storage slot is arranged on the conveying member for conveying table tennis balls into the conveying member. The plurality of serving members are arranged axially on the conveying member for launching the table tennis balls to the other side of the table tennis table.

[0010] The ball-sorting component includes a ball-sorting slot and a ball-sorting member. The conveying member is communicated with the serving member through the ball-sorting slot. The ball-sorting member is arranged in the ball-sorting slot, and the table tennis balls entering the ball-sorting slot are conveyed into one of the serving members through the ball-sorting member.

[0011] The collection component includes a collection net and a collection member. The collection net covers one side of the table tennis table, and the collection member is arranged on the support frame and communicated with the storage slot.

[0012] According to a table tennis serving robot provided by the present invention, the conveying member includes a conveying slot fixedly connected to the support frame. A main conveying disk is rotatably connected in the conveying slot. A plurality of placing slots are equidistantly arranged in the circumferential direction on the main conveying disk. The placing slots are communicated with the storage slot. An auxiliary conveying disk is rotatably connected in the placing slot. A plurality of conveying channels are equidistantly arranged in the circumferential direction on the auxiliary conveying disk. The conveying channels are adapted to the table tennis balls.

[0013] According to a table tennis serving robot provided by the present invention, the ball-sorting member includes a plurality of cylinders fixedly connected in the ball-sorting slot. The diameter of the table tennis ball is smaller than the distance between two adjacent cylinders. An inlet opening is formed at the top end of the ball-sorting slot. A ball-dropping opening is formed on the conveying slot. The inlet opening and the conveying channels are respectively communicated with the ball-dropping opening. A plurality of outlet openings are formed at the bottom end of the ball-sorting slot. The plurality of outlet openings are respectively communicated with the plurality of serving members. The table tennis balls enter one of the outlet openings after passing through the cylinders.

[0014] According to a table tennis serving robot provided by the present invention, the serving member includes a guiding tube. One end of the guiding tube is located directly below the outlet opening. The other end of the guiding tube is fixedly connected with a support frame. Rotating shafts are respectively rotatably connected to both sides of the support frame. A serving wheel is installed on the rotating shaft. The serving wheel extends into the guiding tube for serving the table tennis balls. Two first motors are fixedly connected to the support frame. One ends of the two rotating shafts are respectively fixedly connected to the output shafts of the two first motors.

[0015] A table tennis serving robot provided by the present invention, wherein a long hole is opened at the bottom end of the guiding tube, the width of the long hole is smaller than the diameter of a table tennis ball, a second motor is fixedly connected to the bottom end of the guiding tube, one end of a push rod is fixedly connected to the output shaft of the second motor through a connecting shaft, and the other end of the push rod extends into the guiding tube through the long hole and contacts the table tennis ball.

[0016] A table tennis serving robot provided by the present invention, the collecting member includes a collecting groove fixedly connected to the support frame. Driving rollers are rotatably connected to the top end and the bottom end inside the collecting groove. A conveyor belt is sleeved between the two driving rollers. A plurality of collecting plates are arranged at equal intervals along the circumferential direction on the conveyor belt. An emission port and a collection port are respectively opened at the top end and the bottom end of the collecting groove. External table tennis balls are conveyed to the collecting plates through the collection port, and the table tennis balls on the collecting plates are conveyed to the storage groove through the emission port.

[0017] A table tennis serving robot provided by the present invention, a slide rail is fixedly connected to the collecting net. A moving plate is slidably connected between the two slide rails. A scraping plate is fixedly connected to the moving plate, and the scraping plate is in sliding contact with the table tennis table.

[0018] A table tennis serving robot provided by the present invention, a camera is installed on the collecting groove through a support rod. A visual window is opened on the collecting groove, and the camera identifies the number of table tennis balls on the collecting plate through the visual window.

[0019] A table tennis serving robot provided by the present invention, support blocks are fixedly connected at equal intervals along the circumferential direction on the conveyor belt. The collecting plate is hinged to the support block and is inclined upward.

[0020] A table tennis serving robot provided by the present invention, a torsion spring is arranged between the collecting plate and the support block. Two ends of the torsion spring are respectively fixedly connected to the support block and the collecting plate. Flap pieces are respectively fixedly connected to two ends of the emission port, and the flap pieces are in contact with the collecting plate.

[0021] Compared with the prior art, the present invention has the following advantages and technical effects:

[0022] A table tennis serving robot provided by the present invention, when in use, the support frame is placed on one side of the table tennis table, and the athlete is located on the other side. The collection net is placed at both ends on one side of the table to block the table. The table tennis balls are grouped and conveyed through the provided conveying member and launched in groups. The table tennis balls are conveyed to the ball dividing groove through the conveying member, and are randomly conveyed to one of the serving members through the provided ball dividing member for launching. After the athlete catches the ball, the table tennis ball is conveyed to the opposite table and collected and the number of caught balls is counted through the provided collecting member. This application conducts serving training in a grouped form and collects the caught balls, making it easy to know the training results. At the same time, grouped serving ensures the stability of serving, avoids ball jams, and randomly serves from several serving points to improve the training effect of the athlete's reaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings:

[0024] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 for the present invention Figure 1 is a partial enlarged view of part A in;

[0026] Figure 3 for the present invention Figure 1 is a partial enlarged view of part B in;

[0027] Figure 4 is a schematic diagram of the structure of the conveying member of the present invention;

[0028] Figure 5 is a schematic diagram of the structure of the ball dividing member of the present invention;

[0029] Figure 6 is a schematic diagram of the internal structure of the guiding tube of the present invention;

[0030] Figure 7 is a schematic diagram of the structure of the scraping plate of the present invention;

[0031] Among them, 1. Support frame; 2. Storage groove; 3. Ball-sorting groove; 4. Collection net; 5. Conveyor groove; 6. Main conveyor tray; 7. Placing groove; 8. Auxiliary conveyor tray; 9. Conveyor channel; 10. Cylinder; 11. Goal inlet; 12. Ball-dropping port; 13. Ball outlet; 14. Guide pipe; 15. Support frame; 16. Rotating shaft; 17. Serving wheel; 18. First motor; 19. Long hole; 20. Second motor; 21. Connecting shaft; 22. Push rod; 23. Collection groove; 24. Driving roller; 25. Conveyor belt; 26. Collection plate; 27. Discharge port; 28. Collection port; 29. Slide rail; 30. Moving plate; 31. Scraper; 32. Support rod; 33. Camera; 34. Visual window; 35. Support block; 36. Torsion spring; 37. Paddle. Detailed implementation manners

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] To make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation manners.

[0034] Referring to Figures 1-7 , the present invention provides a table tennis serving robot, including:

[0035] A support frame 1, located on one side of the table tennis table;

[0036] A serving assembly, including a storage groove 2, a conveyor and a plurality of serving members. The conveyor is arranged on the support frame 1, the storage groove 2 is arranged on the conveyor for conveying table tennis balls into the conveyor, and the plurality of serving members are arranged on the conveyor along the axial direction for launching table tennis balls to the other side of the table tennis table;

[0037] A ball-sorting assembly, including a ball-sorting groove 3 and a ball-sorting member. The conveyor is communicated with the serving member through the ball-sorting groove 3, and the ball-sorting member is arranged in the ball-sorting groove 3. The table tennis balls entering the ball-sorting groove 3 are conveyed to one of the serving members by the ball-sorting member;

[0038] A collection assembly, including a collection net 4 and a collection member. The collection net 4 covers one side of the table tennis table, and the collection member is arranged on the support frame 1 and communicated with the storage groove 2.

[0039] In an embodiment of the present invention, during use, the support frame 1 is placed on one side of the table tennis table, and the athlete is on the other side. The collection net 4 is placed at both ends on one side of the table to block the table. The table tennis balls are grouped and conveyed through the provided conveying member and launched in a group. The table tennis balls are conveyed to the ball-sorting groove 3 through the conveying member, and are randomly conveyed to one of the serving members for launching through the provided ball-sorting member. After the athlete catches the ball, the table tennis ball is conveyed to the opposite table and collected and the number of caught balls is counted through the provided collection member.

[0040] As an alternative embodiment, the conveying member includes a conveying groove 5 fixedly connected to the support frame 1. A main conveying disk 6 is rotatably connected in the conveying groove 5. A plurality of placing grooves 7 are circumferentially and equidistantly formed on the main conveying disk 6. The placing grooves 7 communicate with the storage groove 2. An auxiliary conveying disk 8 is rotatably connected in the placing groove 7. A plurality of conveying channels 9 are circumferentially and equidistantly formed on the auxiliary conveying disk 8. The conveying channels 9 are adapted to the table tennis balls.

[0041] In an embodiment of the present invention, by rotating the provided main conveying disk 6, the placing groove 7 is docked with the storage groove 2, and the table tennis balls in the storage groove 2 enter the conveying channels 9. The number of conveying channels 9 on each auxiliary conveying disk 8 is the same. Taking ten balls as an example, a group of ten balls are grouped for serving training, and then the table tennis balls are collected to facilitate knowing the catching rate.

[0042] As an alternative embodiment, the ball-sorting member includes a plurality of cylinders 10 fixedly connected in the ball-sorting groove 3. The diameter of the table tennis ball is smaller than the distance between adjacent two cylinders 10. An inlet 11 is formed at the top of the ball-sorting groove 3. A ball-dropping port 12 is formed on the conveying groove 5. The inlet 11 and the conveying channels 9 communicate with the ball-dropping port 12 respectively. A plurality of outlet ports 13 are formed at the bottom of the ball-sorting groove 3. The plurality of outlet ports 13 communicate with a plurality of serving members respectively. The table tennis ball enters one of the outlet ports 13 after passing through the cylinders 10.

[0043] In an embodiment of the present invention, the plurality of cylinders 10 are arranged in the ball-sorting groove 3. The table tennis ball enters the ball-sorting groove 3 from the inlet 11 and randomly enters one of the outlet ports 13 by colliding with the cylinders 10, thereby realizing the randomness of serving and exercising the reaction ability of the athlete.

[0044] As an alternative embodiment, the serving member includes a guiding tube 14. One end of the guiding tube 14 is located directly below the outlet port 13. The other end of the guiding tube 14 is fixedly connected to a support frame 15. Rotating shafts 16 are respectively rotatably connected to both sides of the support frame 15. A serving wheel 17 is installed on the rotating shaft 16. The serving wheel 17 extends into the guiding tube 14 for launching the table tennis ball. Two first motors 18 are fixedly connected to the support frame 15. One ends of the two rotating shafts 16 are respectively fixedly connected to the output shafts of the two first motors 18.

[0045] In one embodiment of the present invention, two first motors 18 are provided to drive two ball-serving wheels 17 to rotate, thereby launching a table tennis ball. Meanwhile, different rotation speeds can be set by the two first motors 18 to achieve the launching of a spinning ball.

[0046] As an optional embodiment, a long hole 19 is opened at the bottom end of the guide tube 14, and the width of the long hole 19 is smaller than the diameter of the ping-pong ball. A second motor 20 is fixedly connected to the bottom end of the guide tube 14. One end of a push rod 22 is fixedly connected to the output shaft of the second motor 20 through a connecting shaft 21. The other end of the push rod 22 extends into the guide tube 14 through the long hole 19 to contact the ping-pong ball.

[0047] In one embodiment of the present invention, a long hole 19 is provided at the bottom of the guide tube 14, and the top rod 22 can be controlled by the second motor 20 to extend into the guide tube 14 to support the table tennis ball so that it is in stable contact with the serving wheel 17, thereby ensuring stable serving.

[0048] As an optional embodiment, the collecting member includes a collecting tank 23, which is fixedly connected to the support frame 1. The top and bottom ends of the collecting tank 23 are rotatably connected to driving rollers 24. A conveyor belt 25 is sleeved between the two driving rollers 24. A plurality of collecting plates 26 are arranged on the conveyor belt 25 at equal intervals along the circumferential direction. A discharge port 27 and a collection port 28 are respectively provided at the top and bottom ends of the collecting tank 23. The ping-pong balls outside are transported to the collecting plate 26 through the collecting port 28, and the ping-pong balls on the collecting plate 26 are transported to the storage tank 2 through the discharge port 27.

[0049] In one embodiment of the present invention, the table tennis balls enter the collecting tank 23 through the collecting port 28 and are driven by the driving roller 24 to move the conveyor belt 25. When the conveyor belt 25 moves, the table tennis balls are discharged into the storage tank 2 through the discharge port 27 via the collecting plate 26.

[0050] As an optional embodiment, a slide rail 29 is fixedly connected to the collecting net 4, a moving plate 30 is slidably connected between the two slide rails 29, a scraper 31 is fixedly connected to the moving plate 30, and the scraper 31 is in sliding contact with the table tennis table.

[0051] In one embodiment of the present invention, the movable plate 30 moves on the slide rail 29 to scrape and collect the table tennis balls on the opposite table tennis table into the collection tank 23 .

[0052] As an optional implementation, a camera 33 is installed on the collection trough 23 via a support rod 32 , and a visual window 34 is opened on the collection trough 23 . The camera 33 identifies the number of ping-pong balls on the collection plate 26 through the visual window 34 .

[0053] In one embodiment of the present invention, the camera 33 is provided to photograph the table tennis balls passing through the visual window 34, and then the processing module is used to identify the quantity and display the quantity on a display screen (not shown in the figure) on the support frame 1, so as to know the receiving rate.

[0054] As an alternative embodiment, support blocks 35 are fixedly connected to the conveyor belt 25 at equal intervals in the circumferential direction, and the collecting plate 26 is hinged to the support blocks 35 and is arranged obliquely upward.

[0055] In one embodiment of the present invention, the collecting plate 26 is hinged to the support blocks 35, and the collecting plate 26 is arranged obliquely to stably collect table tennis balls.

[0056] As an alternative embodiment, a torsion spring 36 is arranged between the collecting plate 26 and the support blocks 35. The two ends of the torsion spring 36 are respectively fixedly connected to the support blocks 35 and the collecting plate 26. The two ends of the discharge port 27 are respectively fixedly connected with a flap 37, and the flap 37 is in contact with the collecting plate 26.

[0057] In one embodiment of the present invention, the torsion spring 36 is provided to ensure the stable support and inclined arrangement of the collecting plate 26 for collecting table tennis balls. When the collecting plate 26 contacts the flap 37, the flap 37 drives the collecting plate 26 to incline downward at the discharge port 27, so that the table tennis balls are conveyed to the storage tank 2 through the discharge port 27.

[0058] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0059] The above-described embodiments are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention should fall within the protection scope determined by the claims of the present invention.

Claims

1. A table tennis serving robot, characterized in that: include: A support frame (1), located on one side of the table tennis table; A ball serving assembly comprises a storage slot (2), a conveying member and a plurality of ball serving members, wherein the conveying member is arranged on the support frame (1), the storage slot (2) is arranged on the conveying member for conveying table tennis balls into the conveying member, and the plurality of ball serving members are arranged axially on the conveying member for launching the table tennis balls to the other side of the table tennis table; A ball distribution component comprises a ball distribution groove (3) and a ball distribution piece, wherein the conveying piece is connected to the ball serving piece through the ball distribution groove (3), the ball distribution piece is arranged in the ball distribution groove (3), and the table tennis ball entering the ball distribution groove (3) is transported to one of the ball serving pieces through the ball distribution piece; The collecting assembly comprises a collecting net (4) and a collecting piece, wherein the collecting net (4) is covered on one side of the table tennis table, and the collecting piece is arranged on the supporting frame (1) and is connected to the storage tank (2).

2. A table tennis serving robot according to claim 1, characterized in that: The conveying member comprises a conveying trough (5) fixedly connected to the supporting frame (1); a main conveying disc (6) is rotatably connected in the conveying trough (5); a plurality of placement grooves (7) are provided on the main conveying disc (6) at equal intervals along the circumference; the placement grooves (7) are communicated with the storage groove (2); an auxiliary conveying disc (8) is rotatably connected in the placement trough (7); a plurality of conveying channels (9) are provided on the auxiliary conveying disc (8) at equal intervals along the circumference; the conveying channels (9) are adapted to the table tennis balls.

3. A table tennis serving robot according to claim 2, characterized in that: The ball distribution member comprises a plurality of cylinders (10) fixedly connected in the ball distribution groove (3); the diameter of the table tennis ball is smaller than the distance between two adjacent cylinders (10); a goal entrance (11) is provided at the top of the ball distribution groove (3); a lower ball entrance (12) is provided on the conveying groove (5); the goal entrance (11) and the conveying channel (9) are respectively connected to the lower ball entrance (12); a plurality of ball outlets (13) are provided at the bottom of the ball distribution groove (3); the plurality of ball outlets (13) are respectively connected to the plurality of ball serving members; the table tennis ball passes through the cylinders (10) and enters one of the ball outlets (13).

4. A table tennis serving robot according to claim 3, characterized in that: The ball launching component comprises a guide tube (14), one end of the guide tube (14) is located directly below the ball outlet (13), the other end of the guide tube (14) is fixedly connected to a support frame (15), both sides of the support frame (15) are rotatably connected to rotating shafts (16), a ball launching wheel (17) is mounted on the rotating shaft (16), the ball launching wheel (17) extends into the guide tube (14) for launching a table tennis ball, two first motors (18) are fixedly connected to the support frame (15), one end of the two rotating shafts (16) are respectively fixedly connected to the output shafts of the two first motors (18).

5. A table tennis serving robot according to claim 4, characterized in that: A long hole (19) is provided at the bottom end of the guide tube (14), the width of the long hole (19) being smaller than the diameter of the table tennis ball; a second motor (20) is fixedly connected to the bottom end of the guide tube (14); one end of a push rod (22) is fixedly connected to the output shaft of the second motor (20) via a connecting shaft (21); the other end of the push rod (22) extends into the guide tube (14) through the long hole (19) to contact the table tennis ball.

6. A table tennis serving robot according to claim 1, characterized in that: The collecting member comprises a collecting trough (23) fixedly connected to the supporting frame (1); the top and bottom ends of the collecting trough (23) are rotatably connected to driving rollers (24); a conveyor belt (25) is sleeved between the two driving rollers (24); a plurality of collecting plates (26) are arranged at equal intervals along the circumferential direction on the conveyor belt (25); a discharge port (27) and a collection port (28) are respectively provided at the top and bottom ends of the collecting trough (23); external table tennis balls are transported to the collecting plate (26) through the collecting port (28); and the table tennis balls on the collecting plate (26) are transported to the storage trough (2) through the discharge port (27).

7. A table tennis serving robot according to claim 1, characterized in that: A slide rail (29) is fixedly connected to the collecting net (4), a moving plate (30) is slidably connected between the two slide rails (29), a scraper (31) is fixedly connected to the moving plate (30), and the scraper (31) is in sliding contact with the table tennis table.

8. A table tennis serving robot according to claim 6, characterized in that: A camera (33) is installed on the collection trough (23) via a support rod (32), a visual window (34) is provided on the collection trough (23), and the camera (33) identifies the number of table tennis balls on the collection plate (26) through the visual window (34).

9. A table tennis serving robot according to claim 6, characterized in that: Support blocks (35) are fixedly connected to the conveyor belt (25) at equal intervals in the circumferential direction, and the collecting plate (26) is hinged on the support block (35) and arranged obliquely upward.

10. A table tennis serving robot according to claim 9, characterized in that: A torsion spring (36) is provided between the collecting plate (26) and the supporting block (35), and two ends of the torsion spring (36) are respectively fixedly connected to the supporting block (35) and the collecting plate (26), and two ends of the discharge port (27) are respectively fixedly connected to a paddle (37), and the paddle (37) is arranged in contact with the collecting plate (26).

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