Badminton pitching machine

Abstract

The utility model provides a shuttlecock pitching machine which comprises a machine frame, a shuttlecock storage mechanism, a shuttlecock supply mechanism, a shuttlecock conveying mechanism, a shuttlecock pitching mechanism and an angle adjusting mechanism are arranged on the machine frame, and the shuttlecock storage mechanism, the shuttlecock supply mechanism, the shuttlecock conveying mechanism and the shuttlecock pitching mechanism are sequentially arranged. The ball storage mechanism comprises a ball cage support and a ball cage rotation driving mechanism. The ball cage support is provided with a plurality of ball cages in the circumferential direction. The ball supply mechanism comprises a ball clamp, a cam and a cam driving mechanism, and the cam driving mechanism drives the cam to rotate to control opening and closing of the ball clamp; the shuttlecock conveying mechanism comprises a chain, a chain wheel and a chain wheel driving mechanism, and a shuttlecock conveying position is arranged on the chain; the serving mechanism comprises a group of speed-adjustable serving wheels and a serving wheel driving mechanism; the angle adjusting mechanism comprises an up-down angle adjusting assembly and a left-right angle adjusting assembly which are connected with the ball serving mechanism. According to the technical scheme, fast ball clamping and serving are achieved, the accuracy is high, and the structure is more compact.

Description

Technical Field

[0001] This utility model relates to the field of sports training equipment technology, and in particular to a badminton serving machine. Background Technology

[0002] Badminton serving machines need to precisely grip the base of the shuttlecock's feathers to ensure stability and accuracy during serves. However, existing badminton serving machines may not be able to precisely control the gripping force and claw height, causing the shuttlecock to get stuck and affecting training effectiveness. During training, badminton serving machines need to grip and serve the shuttlecock quickly to simulate the speed of serves in real matches. However, existing badminton machines are relatively slow in gripping the shuttlecock, which cannot meet the demands of high-intensity training.

[0003] In addition, the existing badminton machines use gear transmission to adjust the vertical angle of the serve. Due to the size limitations of the serve machine, the gears cannot be made very large, so a larger motor is needed to drive the adjustment of the vertical angle. Furthermore, after long-term use, the two gears will develop gaps, which will affect the accuracy of the serve. Utility Model Content

[0004] To address the aforementioned technical problems, this utility model discloses a badminton serving machine that enables rapid shuttlecock clamping and serving with high accuracy and a compact structure.

[0005] The technical solution of this utility model is as follows:

[0006] A badminton serving machine includes a frame, on which a ball storage mechanism, a ball supply mechanism, a ball conveying mechanism, a serving mechanism, and an angle adjustment mechanism are provided, wherein the ball storage mechanism, the ball supply mechanism, the ball conveying mechanism, and the serving mechanism are arranged in sequence; the ball conveying mechanism is located below the serving mechanism.

[0007] The ball storage mechanism includes a ball cage support and a ball cage rotation drive mechanism. The ball cage support is provided with a plurality of ball cages for storing badminton shuttlecocks along the circumference. The ball cage rotation drive mechanism is connected to the ball cage support through a ball cage rotation shaft, thereby driving the ball cage support to rotate.

[0008] The ball supply mechanism includes a ball clamp, a cam, and a cam drive mechanism. The cam drive mechanism drives the cam to rotate. The cam is connected to the ball clamp and controls the opening and closing of the ball clamp.

[0009] The shuttlecock conveying mechanism includes a chain, a sprocket, and a sprocket drive mechanism. The chain has a shuttlecock conveying position, and the sprocket drive mechanism drives the chain to rotate by driving the sprocket, thereby conveying the shuttlecock.

[0010] The serving mechanism includes a set of adjustable-speed serving wheels and a serving wheel drive mechanism that is connected to the serving wheels in a transmission.

[0011] The ball cage rotation drive mechanism drives the ball cage rotation shaft, which in turn drives the ball cage support to rotate. The cam drive mechanism drives the cam to rotate, which controls the opening and closing of the ball clamp, grabs the shuttlecock in the ball cage, and causes the shuttlecock to fall onto the chain. The chain causes the shuttlecock to roll towards the service wheel. When the rotating service wheel touches the shuttlecock, it squeezes the shuttlecock and provides an outward acceleration, causing the shuttlecock to fly outward.

[0012] The angle adjustment mechanism includes an up-down angle adjustment component and a left-right angle adjustment component connected to the serving mechanism; the set of adjustable speed serving wheels are connected through a fixed block; the up-down angle adjustment component includes a worm gear transmission mechanism and an up-down adjustment drive mechanism; the up-down adjustment drive mechanism is connected to the fixed block through the worm gear transmission mechanism, drives the fixed block to rotate, and causes the serving wheels on the fixed block to swing up and down, thereby controlling the up-down angle of the serve.

[0013] Using this technical solution, the shuttlecock clamp of the shuttlecock supply mechanism picks up the shuttlecock from the shuttlecock storage mechanism, the shuttlecock conveying mechanism sends the shuttlecock to the serving mechanism, and the serving mechanism serves the shuttlecock, achieving fast shuttlecock clamping and serving with high accuracy; the angle adjustment mechanism uses a worm gear transmission to drive the starting wheel on the fixed block to swing up and down, realizing the vertical angle adjustment of the serving machine, making the structure more compact and saving space.

[0014] As a further improvement of this utility model, the ball cage rotation drive mechanism, cam drive mechanism, sprocket drive mechanism, serve wheel drive mechanism, and up-down adjustment drive mechanism are all drive motors.

[0015] As a further improvement of this utility model, the left and right angle adjustment component includes a left and right rotation mechanism and a left and right rotation shaft. One end of the left and right rotation shaft is connected to the up and down angle adjustment component, and the other end of the left and right rotation shaft is connected to the frame. The left and right rotation mechanism drives the left and right rotation shaft to swing left and right, thereby driving the badminton serving machine to swing left and right, thereby controlling the left and right angle of the serve.

[0016] As a further improvement of this utility model, the left and right rotation mechanism includes a gear and rack transmission mechanism and a left and right rotation drive mechanism. The gear and rack transmission mechanism is connected to the left and right rotation shaft, and the left and right rotation drive mechanism drives the gear and rack transmission mechanism to drive the left and right rotation shaft to swing left and right, thereby driving the badminton serving machine to swing left and right, thus controlling the left and right angle of the serve. Furthermore, the left and right rotation drive mechanism is a motor. This technical solution has a simple and reliable structure.

[0017] As a further improvement of this utility model, the other end of the left and right rotating shaft is provided with a slot, and the left and right rotating shaft is engaged with the frame through the slot; the up and down angle adjustment assembly includes a fixing frame, and the left and right rotating shaft is connected to the up and down adjustment drive mechanism through the fixing frame. This technical solution allows the left and right rotating shaft to be engaged with the frame through the slot.

[0018] As a further improvement of this utility model, the badminton serving machine includes a control module, which is electrically connected to the shuttlecock cage rotation drive mechanism, the cam drive mechanism, the sprocket drive mechanism, the serving wheel drive mechanism, the up-down adjustment drive mechanism, and the left-right rotation drive mechanism.

[0019] As a further improvement of this utility model, the ball-feeding mechanism also includes a fine-tuning component, which includes a connecting rod and an adjusting slider. The cam is movably connected to the adjusting slider via the connecting rod, and the adjusting slider is connected to the frame via a vertical adjustment mechanism. Further, the vertical adjustment mechanism is a screw. The adjusting slider is hinged to the connecting rod and can be considered as a base for vertical sliding. The height of the ball clamp can be determined by the height of the connecting rod. Using this technical solution, the vertical sliding of the adjusting slider is adjusted via the vertical adjustment mechanism, and thus the position of the ball clamp, i.e., the movement range of the gripper, can be adjusted via the linkage of the connecting rod. For some shuttlecocks with relatively hard feathers, the gripper needs to clamp higher to pick up the shuttlecock; this fine-tuning component allows for fine-tuning the highest height the gripper can reach.

[0020] As a further improvement of this utility model, the up and down angle adjustment module also includes a manual adjustment knob, which is externally located and connected to the shaft end of the worm. This technical solution allows the worm to rotate by manually adjusting the knob, controlling the rotation of the worm wheel, which in turn drives the fixed block to rotate through the shaft of the worm wheel, preventing the worm gear transmission mechanism from self-locking.

[0021] As a further improvement of this utility model, the ball supply mechanism includes a ball clamping sensor for detecting the position of the ball clamp, the ball clamping sensor being disposed on one side of the ball clamp; and a ball cage rotation sensor for detecting the ball storage status of the ball cage is provided on one side of the ball cage support.

[0022] As a further improvement of this utility model, the ball-serving wheel is arranged perpendicular to the transmission direction of the chain.

[0023] As a further improvement of this utility model, the surface of the chain is provided with anti-slip ridges.

[0024] As a further improvement of this utility model, the clamping surface of the ball clamp is provided with an elastic anti-slip pad.

[0025] As a further improvement of this utility model, the back of the frame is provided with a retractable tie rod assembly, and the bottom of the frame is provided with casters. This technical solution facilitates the transport of the ball-serving machine.

[0026] As a further improvement of this utility model, the badminton serving machine is equipped with a power supply and an LCD power display screen, which are connected to the control module. The power supply is connected to the shuttlecock rotation drive motor, cam drive motor, sprocket drive motor, serving wheel drive motor, up-down adjustment drive motor, and left-right rotation drive motor, providing power to these mechanisms.

[0027] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0028] The technical solution of this utility model employs a shuttlecock clamping mechanism to pick up badminton shuttlecocks from a shuttlecock storage mechanism, and then a shuttlecock conveying mechanism to deliver the shuttlecocks to a serving mechanism for serving. This achieves rapid shuttlecock clamping and serving with high accuracy. Furthermore, it utilizes a worm gear drive to adjust the vertical angle of the serve, resulting in a more compact structure and space-saving design. Additionally, an external knob solves the self-locking problem of the worm gear.

[0029] In addition, the use of a fine-tuning component to fine-tune the position of the shuttlecock clamp allows for more precise adjustment of the serve, enabling the clamp to pick up shuttlecocks of different shapes or even discarded ones. This solves the problems of existing badminton serving machines being difficult to carry, having an insufficiently compact structure, and being prone to getting stuck due to high requirements for the shuttlecock. By adding a pull rod and universal wheels, portability is greatly improved, making it easier for users to move the machine. Attached Figure Description

[0030] Figure 1 This is a schematic diagram of the structure of a badminton serving machine according to an embodiment of the present invention.

[0031] Figure 2 This is a structural schematic diagram of a badminton serving machine from another angle, according to an embodiment of this utility model.

[0032] Figure 3 This is a schematic diagram of the ball storage mechanism according to an embodiment of the present invention.

[0033] Figure 4 This is a schematic diagram of the serving mechanism according to an embodiment of the present invention.

[0034] Figure 5 This is a structural schematic diagram of the up-down angle adjustment component according to an embodiment of the present invention.

[0035] Figure 6 This is a schematic diagram of the internal structure of a badminton serving machine according to an embodiment of the present invention.

[0036] Figure 7This is a schematic diagram of the back structure of a badminton serving machine according to an embodiment of the present invention.

[0037] The reference numerals in the figures include:

[0038] 10-Rack, 11-Tie rod assembly, 12-Wheel caster, 13-Signal antenna, 14-Protective cover, 15-LCD power display, 16-Power supply;

[0039] 21-Ball cage support, 22-Ball cage, 23-Ball cage rotation drive motor, 24-Ball cage rotation shaft, 25-Ball cage rotation sensor;

[0040] 31-Ball clamp, 32-Cam, 33-Cam drive motor, 34-Ball clamping sensor;

[0041] 41-Chain, 42-Sprocket, 43-Sprocket drive motor;

[0042] 51-Serve wheel, 52-Serve wheel drive motor, 53-Fixing block;

[0043] 60-Up and down angle adjustment assembly; 61-Worm gear transmission mechanism; 62-Up and down adjustment drive motor; 63-Fixed bracket; 64-Manual adjustment knob;

[0044] 70 - Left and right angle adjustment component; 71 - Left and right rotation shaft; 72 - Gear and rack transmission mechanism;

[0045] 80 - Fine-tuning component, 81 - Linkage rod, 82 - Adjustment slider, 83 - Up and down adjustment screw. Detailed Implementation

[0046] The preferred embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0047] like Figures 1 to 7 As shown, a badminton serving machine includes a frame 10, on which a ball storage mechanism, a ball supply mechanism, a ball conveying mechanism, a serving mechanism, and an angle adjustment mechanism are provided. The ball storage mechanism, ball supply mechanism, ball conveying mechanism, and serving mechanism are arranged in sequence; the ball conveying mechanism is located below the serving mechanism.

[0048] The ball storage mechanism includes a ball cage support 21 and a ball cage rotation drive motor 23. The ball cage support 21 is provided with a plurality of ball cages 22 for storing badminton shuttlecocks along the circumference. The ball cage rotation drive motor 23 is connected to the ball cage support 21 through a ball cage rotation shaft 24, driving the ball cage support 21 to rotate.

[0049] The ball supply mechanism includes a ball clamp 31, a cam 32, and a cam drive motor 33. The cam drive motor 33 drives the cam 32 to rotate. The cam 32 is connected to the ball clamp 31 and controls the opening and closing of the ball clamp 31.

[0050] The shuttlecock conveying mechanism includes a chain 41, a sprocket 42, and a sprocket drive motor 43. The chain 41 is provided with a shuttlecock conveying position. The sprocket drive motor 43 drives the chain 41 to rotate by driving the sprocket 42, thereby conveying the shuttlecock.

[0051] The serving mechanism includes a set of adjustable speed serving wheels 51 and a serving wheel drive motor 52 that is connected to the serving wheels 51 in a transmission.

[0052] The ball cage rotation drive motor 23 drives the ball cage rotation shaft 24, which in turn drives the ball cage support 21 to rotate. The cam drive motor 33 drives the cam 32 to rotate, which controls the opening and closing of the ball clamp 31, clamps the badminton shuttlecock in the ball cage 22, and causes the badminton shuttlecock to fall onto the chain 41. The chain 41 drives the badminton shuttlecock to roll towards the service wheel 51. When the rotating service wheel 51 touches the badminton shuttlecock, it squeezes the badminton shuttlecock and provides an outward acceleration, causing the badminton shuttlecock to fly outward.

[0053] The angle adjustment mechanism includes a vertical angle adjustment component 60 and a horizontal angle adjustment component 70 connected to the serving mechanism. The vertical angle adjustment component 60 can adjust the vertical angle of the serve, and the horizontal angle adjustment component 70 can adjust the horizontal angle of the serve. A set of adjustable-speed serving wheels 51 are connected via a fixed block 53. The vertical angle adjustment component 60 includes a worm gear transmission mechanism 61 and a vertical adjustment drive motor 62. The vertical adjustment drive motor 62 is connected to the fixed block 53 via the worm gear transmission mechanism 61, driving the fixed block 53 to rotate, thereby causing the serving wheels 51 on the fixed block 53 to swing vertically, thus controlling the vertical angle of the serve. The vertical angle adjustment module also includes a manual adjustment knob 64, which is externally mounted and connected to the shaft end of the worm gear to prevent the worm gear transmission mechanism 61 from self-locking.

[0054] The left-right angle adjustment component 70 includes a left-right rotation mechanism and a left-right rotation shaft 71. One end of the left-right rotation shaft 71 is connected to the up-down angle adjustment component 60, and the other end of the left-right rotation shaft 71 is connected to the frame 10. The left-right rotation mechanism drives the left-right rotation shaft 71 to swing left and right, thereby causing the badminton serving machine to swing left and right, thus controlling the left-right angle of the serve. The left-right rotation mechanism includes a gear and rack transmission mechanism 72 and a left-right rotation drive motor. The gear and rack transmission mechanism 72 is connected to the left-right rotation shaft 71. The left-right rotation drive motor drives the gear and rack transmission mechanism 72 to drive the left-right rotation shaft 71 to swing left and right, thereby causing the serving wheel 51 to swing left and right, thus controlling the left-right angle of the serve.

[0055] The other end of the left and right rotation shaft 71 is provided with a slot, and the left and right rotation shaft 71 is engaged with the frame 10 through the slot; the up and down angle adjustment assembly 60 includes a fixed frame 63, the up and down adjustment drive motor 62 is fixed on the fixed frame 63, and the left and right rotation shaft 71 is connected to the fixed frame 63.

[0056] The ball supply mechanism also includes a fine-tuning component 80, which comprises a connecting rod 81 and an adjusting slider 82. The cam 32 is movably connected to the adjusting slider 82 via the connecting rod 81, and the adjusting slider 82 is connected to the frame 10 via up-and-down adjusting screws 83. The adjusting slider 82 is hinged to the connecting rod 81 and can be considered as a base for sliding up and down. The height of the ball clamp 31 can be determined by the height of the connecting rod 81. This technical solution can adjust the height of the ball clamp 31.

[0057] The badminton serving machine includes a control module, which is electrically connected to the shuttlecock cage rotation drive motor 23, the cam drive motor 33, the sprocket drive motor 43, the serving wheel drive motor 52, the up-down adjustment drive motor 62, and the left-right rotation drive motor.

[0058] The frame 10 has a retractable pull rod assembly 11 at its back, and casters 12 at its bottom. This design allows for easy transport of the badminton serving machine.

[0059] Furthermore, the ball supply mechanism includes a ball clamping sensor 34 for detecting the position of the ball clamp 31, and the ball clamping sensor 34 is disposed on one side of the ball clamp 31; a ball cage rotation sensor 25 for detecting the ball storage status of the ball cage 22 is provided on one side of the ball cage support 21, which can detect whether there are badminton shuttlecocks on the ball cage 22.

[0060] Furthermore, the ball-serving wheel 51 is perpendicular to the transmission direction of the chain 41.

[0061] Furthermore, the surface of the chain 41 is provided with anti-slip ridges.

[0062] Furthermore, the clamping surface of the ball clamp 31 is provided with an elastic anti-slip pad.

[0063] Furthermore, the frame 10 is provided with a protective cover 14, which is located on the outside of the pull rod assembly 11.

[0064] Furthermore, the badminton serving machine is equipped with a power supply 16 and an LCD power display screen 15. The power supply 16 and the LCD power display screen 15 are connected to the control module. The power supply 16 is connected to the shuttlecock rotation drive motor 23, the cam drive motor 33, the sprocket drive motor 43, the serving wheel drive motor 52, the up-and-down adjustment drive motor 62, and the left-and-right rotation drive motor. The power supply 16 provides power to each drive motor, and the LCD power display screen 15 can display the power level of the power supply 16.

[0065] Furthermore, the badminton serving machine is equipped with a signal antenna 13 and a control panel, which are electrically connected to the control module. The control panel is connected to the power supply 16. The control panel can display the working status of the serving machine and control its power supply. The control module controls the entire serving machine.

[0066] This technical solution involves the shuttlecock clamp 31 of the shuttlecock supply mechanism picking up the shuttlecock rotating in the shuttlecock storage mechanism, and the shuttlecock delivery mechanism sending the shuttlecock to the serving mechanism, which then serves the shuttlecock, achieving rapid shuttlecock clamping and serving with high accuracy. The vertical angle adjustment component 60 uses a worm gear transmission to drive the initiating wheel on the fixed block 53 to swing up and down, thus adjusting the vertical angle of the serving machine. This results in a more compact structure and saves space. The horizontal angle of the serve is adjusted using the horizontal angle adjustment component 70.

[0067] The technical solution of this embodiment uses a worm gear drive to adjust the vertical angle of the serving machine. Compared with other types of transmission mechanisms, worm gear drives are generally more compact and save space. This is an advantage for designing portable or space-constrained badminton serving machines. Furthermore, worm gear drives have a high reduction ratio, meaning that a large output torque can be obtained with a small input torque. This is very useful for adjusting the angle of the serving machine, as it allows a smaller motor to generate sufficient torque to adjust the angle. Worm gear drives operate smoothly and with low noise. The self-locking characteristic of worm gear drives means that the angle position cannot be adjusted after power is cut off, which is inconvenient for subsequent maintenance and repair of the serving machine. Therefore, this embodiment adds an external manual adjustment knob 64, which can be used to adjust the vertical angle of the serving machine when the power is off. In addition, the fine-tuning component 80 adds a fine-tuning function to the shuttlecock clamp 31, allowing users to make precise adjustments. The transmission part of the shuttlecock clamp 31 uses a structure of connecting rod 81, slider, and cam 32 to improve the speed and accuracy of clamping the shuttlecock, adapting to different types of badminton shuttlecocks and training needs.

[0068] In the description of this utility model, it should be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0069] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0070] The specific embodiments described above are preferred embodiments of this utility model, and are not intended to limit the specific scope of this utility model. The scope of this utility model includes, but is not limited to, these specific embodiments. All equivalent changes made in accordance with the shape and structure of this utility model are within the protection scope of this utility model.

Claims

1. A badminton serving machine characterized in that: It includes a rack, which is provided with a ball storage mechanism, a ball supply mechanism, a ball conveying mechanism, a ball launching mechanism and an angle adjusting mechanism, the ball storage mechanism, the ball supply mechanism, the ball conveying mechanism and the ball launching mechanism are sequentially arranged; The ball storage mechanism comprises a ball cage support and a ball cage rotating drive mechanism, the ball cage support is provided with a plurality of ball cages for storing shuttlecocks in the circumferential direction, the ball cage rotating drive mechanism is connected with the ball cage support through a ball cage rotating shaft to drive the ball cage support to rotate; The ball supply mechanism comprises a ball clamp, a cam and a cam drive mechanism, the cam drive mechanism drives the cam to rotate, the cam is connected with the ball clamp and controls the opening and closing of the ball clamp; The ball conveying mechanism comprises a chain, a chain wheel and a chain wheel drive mechanism, the chain is provided with a shuttlecock conveying position, the chain wheel drive mechanism drives the chain wheel to rotate to convey the shuttlecock; The ball launching mechanism comprises a group of adjustable speed ball launching wheels and a ball launching wheel drive mechanism in transmission connection with the ball launching wheels; The ball cage rotating drive mechanism drives the ball cage rotating shaft to drive the ball cage support to rotate, the cam drive mechanism drives the cam to rotate to control the opening and closing of the ball clamp, clamp the shuttlecock in the ball cage and make the shuttlecock fall into the chain, the chain drives the shuttlecock to roll in the direction of the ball launching wheels, after the rotating ball launching wheels collide with the shuttlecock, the shuttlecock is extruded to provide an outward acceleration to make the shuttlecock fly outward; The angle adjusting mechanism comprises an up-down angle adjusting assembly and a left-right angle adjusting assembly connected with the ball launching mechanism, the group of adjustable speed ball launching wheels are connected through a fixed block, the up-down angle adjusting assembly comprises a worm gear transmission mechanism and an up-down adjusting drive mechanism, the up-down adjusting drive mechanism is connected with the fixed block through the worm gear transmission mechanism to drive the fixed block to rotate and drive the ball launching wheels on the fixed block to swing up and down, thereby controlling the up-down angle of the ball launching.

2. The shuttlecock serving machine according to claim 1, characterized in that: The left-right angle adjusting assembly comprises a left-right rotating mechanism and a left-right rotating shaft, one end of the left-right rotating shaft is connected with the up-down angle adjusting assembly, the other end of the left-right rotating shaft is connected with the rack, the left-right rotating mechanism drives the left-right rotating shaft to swing left and right to drive the shuttlecock ball launching machine to swing left and right, thereby controlling the left-right angle of the ball launching.

3. The shuttlecock serving machine according to claim 2, characterized in that: The left-right rotating mechanism comprises a gear and rack transmission mechanism and a left-right rotating drive mechanism, the gear and rack transmission mechanism is connected with the left-right rotating shaft, the left-right rotating drive mechanism drives the gear and rack transmission mechanism to drive the left-right rotating shaft to swing left and right to drive the shuttlecock ball launching machine to swing left and right, thereby controlling the left-right angle of the ball launching.

4. The shuttlecock serving machine according to claim 3, characterized in that: The other end of the left-right rotating shaft is provided with a clamping groove, the left-right rotating shaft is clamped with the rack through the clamping groove; The up-down angle adjusting assembly comprises a fixed frame, the left-right rotating shaft is connected with the up-down adjusting drive mechanism through the fixed frame.

5. The shuttlecock serving machine according to claim 3, characterized in that: It comprises a control module, the control module is electrically connected with the ball cage rotating drive mechanism, the cam drive mechanism, the chain wheel drive mechanism, the ball launching wheel drive mechanism, the up-down adjusting drive mechanism and the left-right rotating drive mechanism.

6. The shuttlecock serving machine of claim 1, wherein: The ball supply mechanism further comprises a fine adjustment assembly, the fine adjustment assembly comprises a connecting rod and an adjusting sliding block, the cam is movably connected with the adjusting sliding block through the connecting rod, the adjusting sliding block is connected with the rack through an up-down adjusting mechanism.

7. The shuttlecock serving machine of claim 1, wherein: The upper and lower angle adjusting assembly further comprises a manual adjusting knob which is externally arranged and connected with the shaft end of the worm.

8. The shuttlecock serving machine of claim 1, wherein: The ball supply mechanism comprises a ball clamping sensor for detecting the position of the ball clamping, which is arranged on one side of the ball clamping; one side of the ball cage support is provided with a ball cage rotation sensor for detecting the ball storage state of the ball cage.

9. The shuttlecock serving machine of claim 1, wherein: The delivery direction of the ball feeding wheel is perpendicular to the chain, and the surface of the chain is provided with anti-skid convex patterns; the clamping surface of the ball clamping is provided with elastic anti-skid pads.

10. The shuttlecock serving machine according to any one of claims 1 to 9, characterized in that: The back of the rack is provided with an extendable pull rod assembly, and the bottom of the rack is provided with universal wheels.

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