Grinding equipment for children's tennis balls

Abstract

The utility model relates to the technical field of tennis ball grinding, and discloses a child tennis ball grinding device which comprises a fixing frame, a placing frame is fixedly assembled on the side face of the fixing frame, an auxiliary cylinder is fixedly assembled on the top of the fixing frame, and a top plate is fixedly assembled on the top of the fixing frame. A first electric telescopic rod is fixedly assembled on the side face of the inner wall of the top plate, a second electric telescopic rod is arranged on the side face of the first electric telescopic rod, and a pressing plate is fixedly assembled at the bottom of the second electric telescopic rod. Through cooperative use of the motor and the driving shaft, the motor drives the driving shaft to rotate, so that the driving shaft drives the transmission shaft to rotate through the transmission belt, then the driving shaft and the transmission shaft drive the grinding rod to rotate, the arc-shaped plate is used for assisting in limiting of a tennis ball core, and then the grinding rod is used for stably grinding the ball core; and the sleeve is driven by the air pump to move upwards in the inner wall of the outer cylinder, so that the inner wall of the sleeve and the outer edge of the butt joint rod are used for limiting, and the stable movement of the ball core is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of tennis grinding, in particular to a grinding device for children's tennis balls. Background Technique

[0002] Tennis is a ball sport, usually carried out between two single players or two pairs of combinations. In order to assist in the stable grinding of children's tennis balls during the production and manufacturing process, a grinding device for children's tennis balls is required.

[0003] In the traditional use of children's tennis balls, most of them use raw materials stacked and aligned, and then go through various machines for flipping, hitting and kneading to become small round pieces the size of biscuits. Then, through high-temperature pressing, finally, a hemispherical core body is produced through hot steam. Then, through trimming, gluing and extrusion, the hemispheres are combined into a complete hard hollow ball. In order to assist in physically grinding the uneven parts on the surface of the ball core to ensure the stable docking of the two hemispherical cores, the traditional tennis ball grinding device is difficult to assist in the efficient grinding of the inside of the tennis ball, and it is difficult to ensure that the tennis ball can move stably with the device, thus affecting the stable use of the device. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a grinding device for children's tennis balls to solve the problems put forward in the above background technique.

[0005] The utility model provides the following technical solutions: A grinding device for children's tennis balls, including a fixed frame, a placement frame is fixedly assembled on the side of the fixed frame, an auxiliary cylinder is fixedly assembled on the top of the fixed frame, a top plate is fixedly assembled on the top of the fixed frame, an electric telescopic rod one is fixedly assembled on the side of the inner wall of the top plate, an electric telescopic rod two is arranged on the side of the electric telescopic rod one, a pressing plate is fixedly assembled at the bottom of the electric telescopic rod two, a solenoid valve fixing pipe is fixedly assembled at the bottom of the pressing plate, an arc-shaped plate is fixedly assembled at the bottom of the solenoid valve fixing pipe, a grinding cylinder is fixedly assembled on the top of the fixed frame, a grinding rod is rotatably sleeved on the inner wall of the grinding cylinder, a discharge cylinder is fixedly assembled on the top of the fixed frame, and a discharge frame is fixedly assembled at the bottom of the fixed frame.

[0006] As a preferred technical solution of the utility model, a driving shaft is fixedly assembled at the bottom of the grinding rod, a motor is fixedly assembled at the bottom of the fixed frame, and the output shaft of the motor is fixedly sleeved with the inner wall of the driving shaft.

[0007] As a preferred technical solution of the utility model, a transmission belt is movably sleeved on the outer edge of the driving shaft, a transmission shaft is movably sleeved on the inner wall of the transmission belt, and a docking rod is fixedly assembled at the bottom of the transmission shaft.

[0008] As a preferred technical solution of the present utility model, an outer cylinder is fixedly assembled at the bottom of the fixing frame, a sleeve is slidably sleeved on the inner wall of the outer cylinder, and the side surface of the docking rod is slidably sleeved on the inner wall of the sleeve.

[0009] As a preferred technical solution of the present utility model, a tension spring is fixedly connected to the bottom of the inner wall of the outer cylinder, and the top of the tension spring is fixedly connected to the bottom of the sleeve.

[0010] As a preferred technical solution of the present utility model, a connecting pipe is fixedly sleeved on the inner wall of the outer cylinder, an air supply cylinder is fixedly assembled at one end of the connecting pipe away from the outer cylinder, an electromagnetic valve exhaust pipe is fixedly sleeved on the inner wall of the air supply cylinder, and an air pump is fixedly assembled at one end of the air supply cylinder away from the connecting pipe.

[0011] As a preferred technical solution of the present utility model, an auxiliary frame is fixedly assembled on the top of the pressing plate, an air suction pump is fixedly assembled on the top of the auxiliary frame, and the air outlet of the air suction pump passes through the inner wall of the auxiliary frame and is communicated with the electromagnetic valve fixed pipe.

[0012] As a preferred technical solution of the present utility model, the number of the transmission shafts is three, the number of the grinding rods is four, and the bottoms of the four grinding rods are respectively fixedly assembled with the bottoms of the three transmission shafts and the top of a driving shaft.

[0013] Compared with the prior art, the present utility model has the following beneficial effects:

[0014] 1. For the grinding equipment of the children's tennis ball, through the coordinated use of the motor and the driving shaft, the motor drives the driving shaft to rotate, so that the driving shaft drives the transmission shaft to rotate through the transmission belt, and then the driving shaft and the transmission shaft drive the grinding rod to rotate, and the arc-shaped plate is used to assist in limiting the position of the tennis ball core, and then the grinding rod stably grinds the ball core. Moreover, the air pump drives the sleeve to move upward on the inner wall of the outer cylinder, so that the inner wall of the sleeve limits the outer edge of the docking rod, thereby ensuring the stable movement of the ball core.

[0015] 2. For the grinding equipment of the children's tennis ball, through the coordinated use of the electromagnetic valve fixed pipe and the arc-shaped plate, the electric telescopic rod II drives the pressing plate to move downward until the inner wall of the arc-shaped plate fits with the outer edge of the ball core. Then, the air suction pump evacuates the inner cavity of the arc-shaped plate through the electromagnetic valve fixed pipe, thereby assisting the arc-shaped plate to drive the ball core to move stably, and exhausting the air inside the electromagnetic valve fixed pipe, thereby assisting the separation of the ball core from the arc-shaped plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0017] Figure 2 is a front sectional structural schematic diagram of the arc-shaped plate of the present utility model;

[0018] Figure 3 This is the schematic front sectional view of the discharge rack of the present utility model;

[0019] Figure 4 This is the schematic internal structure view of the fixing rack of the present utility model;

[0020] Figure 5 This is the schematic three-dimensional structure view of the sleeve of the present utility model.

[0021] In the figure: 1, fixing rack; 2, placing rack; 3, auxiliary cylinder; 4, first electric telescopic rod; 5, top plate; 6, pressing plate; 7, second electric telescopic rod; 8, auxiliary frame; 9, air suction pump; 10, solenoid valve fixing pipe; 11, arc-shaped plate; 12, discharge cylinder; 13, grinding cylinder; 14, grinding rod; 15, driving shaft; 16, motor; 17, transmission belt; 18, transmission shaft; 19, docking rod; 20, outer cylinder; 21, sleeve; 22, connecting pipe; 23, air supply cylinder; 24, solenoid valve exhaust pipe; 25, tension spring; 26, discharge rack. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figures 1 - 5, A grinding device for children's tennis balls, comprising a fixed frame 1. A placement rack 2 is fixedly assembled on the side of the fixed frame 1. An auxiliary cylinder 3 is fixedly assembled on the top of the fixed frame 1. A top plate 5 is fixedly assembled on the top of the fixed frame 1. A first electric telescopic rod 4 is fixedly assembled on the side of the inner wall of the top plate 5. A second electric telescopic rod 7 is arranged on the side of the first electric telescopic rod 4. A pressing plate 6 is fixedly assembled at the bottom of the second electric telescopic rod 7. A solenoid valve fixing pipe 10 is fixedly assembled at the bottom of the pressing plate 6. An arc-shaped plate 11 is fixedly assembled at the bottom of the solenoid valve fixing pipe 10. A grinding cylinder 13 is fixedly assembled on the top of the fixed frame 1. A grinding rod 14 is rotatably sleeved on the inner wall of the grinding cylinder 13. A discharge cylinder 12 is fixedly assembled on the top of the fixed frame 1. A discharge rack 26 is fixedly assembled at the bottom of the fixed frame 1. By the combined use of the second electric telescopic rod 7 and the first electric telescopic rod 4, a slider is fixedly assembled on the side of the first electric telescopic rod 4, and the bottom of the slider is fixedly assembled with the top of the second electric telescopic rod 7, thus ensuring that the pressing plate 6 can be stably adjusted in position. The number of solenoid valve fixing pipes 10 is six, and three of the six solenoid valve fixing pipes 10 are in a group and are respectively fixedly assembled on both sides of the bottom of the pressing plate 6, so as to drive two groups of ball cores to adjust their positions by using the six solenoid valve fixing pipes 10 respectively. By the combined use of the discharge cylinder 12 and the discharge rack 26, the discharged cylinder 12 and the discharge rack 26 are used to assist in discharging the ground balls outwards.

[0024] In a preferred embodiment, a drive shaft 15 is fixedly assembled at the bottom of the grinding rod 14. A motor 16 is fixedly assembled at the bottom of the fixed frame 1, and the output shaft of the motor 16 is fixedly sleeved with the inner wall of the drive shaft 15. By the combined use of the drive shaft 15 and the motor 16, the motor 16 is used to drive the drive shaft 15 to rotate, and then the drive shaft 15 is used to drive the grinding rod 14 to rotate in the inner wall of the grinding cylinder 13.

[0025] In a preferred embodiment, a transmission belt 17 is movably sleeved on the outer edge of the drive shaft 15, and a transmission shaft 18 is movably sleeved on the inner wall of the transmission belt 17. A docking rod 19 is fixedly assembled at the bottom of the transmission shaft 18. By the combined use of the transmission belt 17 and the transmission shaft 18, the drive shaft 15 is used to drive the transmission shaft 18 to rotate through the transmission belt 17, and the transmission shaft 18 is used to drive the docking rod 19 to rotate.

[0026] In a preferred embodiment, an outer cylinder 20 is fixedly assembled at the bottom of the fixed frame 1. A sleeve 21 is slidably sleeved on the inner wall of the outer cylinder 20, and the inner wall of the sleeve 21 is slidably sleeved with the side of the docking rod 19. By the combined use of the outer cylinder 20 and the sleeve 21, the sleeve 21 slides in the inner wall of the outer cylinder 20, and then the inner wall of the sleeve 21 is slidably docked with the side of the docking rod 19. Thus, when the motor 16 stops operating, the sleeve 21 assists in limiting the position of the grinding rod 14 to prevent the grinding rod 14 from shifting in position and affecting the stable movement of the ball core.

[0027] In a preferred embodiment, a tension spring 25 is fixedly connected to the bottom of the inner wall of the outer cylinder 20, and the top of the tension spring 25 is fixedly connected to the bottom of the sleeve 21. By using the tension spring 25 in cooperation with the sleeve 21, the tension spring 25 is utilized to pull the sleeve 21 downward in the inner wall of the outer cylinder 20, thereby assisting in separating the inner wall of the sleeve 21 from the side surface of the grinding rod 14.

[0028] In a preferred embodiment, a connecting pipe 22 is fixedly sleeved on the inner wall of the outer cylinder 20. One end of the connecting pipe 22 away from the outer cylinder 20 is fixedly assembled with an air supply cylinder 23, and a solenoid valve exhaust pipe 24 is fixedly sleeved on the inner wall of the air supply cylinder 23. One end of the air supply cylinder 23 away from the connecting pipe 22 is fixedly assembled with an air pump. By using the air supply cylinder 23 in cooperation with the solenoid valve exhaust pipe 24, the air pump is utilized to supply air to the inside of the outer cylinder 20 through the air supply cylinder 23, and the solenoid valve exhaust pipe 24 is utilized to assist in exhausting the air inside the air supply cylinder 23.

[0029] In a preferred embodiment, an auxiliary frame 8 is fixedly assembled on the top of the pressing plate 6, an air suction pump 9 is fixedly assembled on the top of the auxiliary frame 8, and the air outlet of the air suction pump 9 passes through the inner wall of the auxiliary frame 8 and is communicated with the solenoid valve fixed pipe 10. By using the air suction pump 9 in cooperation with the auxiliary frame 8, the air suction pump 9 is utilized to pump air inside the solenoid valve fixed pipe 10 through the auxiliary frame 8, thereby assisting in stably adsorbing the ball core.

[0030] In a preferred embodiment, the number of transmission shafts 18 is three, the number of grinding rods 14 is four, and the bottoms of the four grinding rods 14 are respectively fixedly assembled with the bottoms of the three transmission shafts 18 and the top of a driving shaft 15. By adding the three transmission shafts 18, the driving shaft 15 is utilized to drive the three transmission shafts 18 to rotate, and then the three transmission shafts 18 and the driving shaft 15 are utilized to drive the four grinding rods 14 to rotate.

[0031] Working principle: When the device is in use, the motor 16 is utilized to drive the driving shaft 15 to rotate, so that the driving shaft 15 drives the transmission shaft 18 to rotate through the transmission belt 17, and then the driving shaft 15 and the transmission shaft 18 drive the grinding rod 14 to rotate. The arc-shaped plate 11 is utilized to assist in limiting the tennis ball core, and then the grinding rod 14 is utilized to stably grind the ball core. The air pump is utilized to drive the sleeve 21 to move upward in the inner wall of the outer cylinder 20, so that the inner wall of the sleeve 21 is limited by the outer edge of the docking rod 19, thereby ensuring that the ball core is stably moved. The electric telescopic rod two 7 is utilized to drive the pressing plate 6 to move downward until the inner wall of the arc-shaped plate 11 fits the outer edge of the ball core. Then, the air suction pump 9 is utilized to pump air inside the arc-shaped plate 11 through the solenoid valve fixed pipe 10, thereby assisting the arc-shaped plate 11 to drive the ball core to move stably, and the air inside the solenoid valve fixed pipe 10 is exhausted to the outside, thereby assisting in separating the ball core from the arc-shaped plate 11.

[0032] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A grinding device for children's tennis balls, comprising a fixing frame (1), characterized in that: The side of the fixed frame (1) is fixedly equipped with a placing frame (2), the top of the fixed frame (1) is fixedly equipped with an auxiliary cylinder (3), the top of the fixed frame (1) is fixedly equipped with a top plate (5), the side of the inner wall of the top plate (5) is fixedly equipped with an electric telescopic rod 1 (4), the side of the electric telescopic rod 1 (4) is provided with an electric telescopic rod 2 (7), the bottom of the electric telescopic rod 2 (7) is fixedly equipped with a pressing plate (6), the bottom of the pressing plate (6) is fixedly equipped with an electromagnetic valve fixing tube (10), the bottom of the electromagnetic valve fixing tube (10) is fixedly equipped with an arc plate (11), the top of the fixed frame (1) is fixedly equipped with a grinding cylinder (13), the inner wall of the grinding cylinder (13) is rotatably sleeved with a grinding rod (14), the top of the fixed frame (1) is fixedly equipped with a discharging cylinder (12), and the bottom of the fixed frame (1) is fixedly equipped with a discharging frame (26).

2. The grinding device for children's tennis balls according to claim 1, characterized in that: A driving shaft (15) is fixedly mounted on the bottom of the grinding rod (14), a motor (16) is fixedly mounted on the bottom of the fixing frame (1), and an output shaft of the motor (16) is fixedly sleeved with the inner wall of the driving shaft (15).

3. The grinding device for children's tennis balls according to claim 2, characterized in that: A transmission belt (17) is movably sleeved on the outer edge of the driving shaft (15), and a transmission shaft (18) is movably sleeved on the inner wall of the transmission belt (17). A docking rod (19) is fixedly mounted on the bottom of the transmission shaft (18).

4. The grinding device for children's tennis balls according to claim 1, characterized in that: An outer cylinder (20) is fixedly mounted on the bottom of the fixing frame (1), a sleeve (21) is slidably sleeved on the inner wall of the outer cylinder (20), and the inner wall of the sleeve (21) is slidably sleeved on the side of the docking rod (19).

5. The grinding device for children's tennis balls according to claim 4, characterized in that: A tension spring (25) is fixedly connected to the bottom of the inner wall of the outer cylinder (20), and the top of the tension spring (25) is fixedly connected to the bottom of the sleeve (21).

6. The grinding device for children's tennis balls according to claim 4, characterized in that: A connecting pipe (22) is fixedly sleeved on the inner wall of the outer cylinder (20), an air supply cylinder (23) is fixedly assembled on one end of the connecting pipe (22) away from the outer cylinder (20), and an electromagnetic valve exhaust pipe (24) is fixedly sleeved on the inner wall of the air supply cylinder (23), and an air pump is fixedly assembled on one end of the air supply cylinder (23) away from the connecting pipe (22).

7. The grinding device for children's tennis balls according to claim 1, characterized in that: An auxiliary frame (8) is fixedly mounted on the top of the pressure plate (6), an air suction pump (9) is fixedly mounted on the top of the auxiliary frame (8), and an air outlet of the air suction pump (9) passes through the inner wall of the auxiliary frame (8) and is connected to the electromagnetic valve fixing pipe (10).

8. The grinding device for children's tennis balls according to claim 3, characterized in that: The number of the transmission shafts (18) is three, the number of the grinding rods (14) is four, and the bottoms of the four grinding rods (14) are respectively fixedly assembled with the bottoms of the three transmission shafts (18) and the top of one driving shaft (15).

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