Plug seedling root cutting device and use method thereof

Abstract

The present invention belongs to the technical field of agricultural machinery, and in particular to a root pruner device for seedlings in a tray and a method for using the same. In view of the difficulty in ensuring the root pruning range during the root pruning operation of seedlings in a tray, which easily causes damage to the plants due to excessive root pruning, the following scheme is proposed, including a base frame, the outer walls on both sides of the base frame are fixedly connected to the same fixed frame, and an adjustable root pruner module is provided inside the fixed frame, and the top of the base frame is fixedly connected to two mounting frames, and the two mounting frames are provided with tray bottom root pruner modules, and the tray bottom root pruner modules are located below the adjustable root pruner modules. The root pruner device for seedlings in a tray disclosed in the present invention and a method for using the same have the function of increasing the root pruning effect and efficiency. When in use, the device can adjust the spacing between multiple root pruner blades as needed to adjust its root pruning range, while avoiding damage to the plants due to excessive root pruning, thereby increasing the use effect of the device.

Description

Technical Field

[0001] The present invention relates to the technical field of agricultural machinery, and in particular to a root cutting device for seedlings in a tray and a use method thereof. Background Art

[0002] Plug tray seedling cultivation is a modern seedling raising technique that uses lightweight, soilless materials such as peat and vermiculite as a substrate, mechanized and precise seeding, planting one seed per hole, and achieving single-shot seedling growth. It has become the primary method for specialized commercial seedling production in many countries.

[0003] Pruning is a gardening or agricultural technique commonly used to control plant growth, transplant, or remove unwanted plants. The main purpose of pruning is to limit the growth and spread of plants. By removing the root system of a plant, it prevents it from taking root and spreading further, thus controlling the size and range of the plant.

[0004] Existing seedlings in plug trays need to be pruned to control the growth state of the plants or to prevent the roots from clogging the holes in the plug trays during growth and cultivation. However, it is difficult to ensure the root pruned range during the root pruned operation of the seedlings in the plug trays, which can easily cause damage to the plants due to excessive root pruned. At the same time, manual operation is often used during root pruned operation, which is inconvenient and labor-intensive. Summary of the Invention

[0005] The present invention discloses a root pruner for seedlings in a tray and a method for using the same, aiming to solve the technical problems in the background art that, during the growth and cultivation of seedlings in the existing tray, root pruners are required to control the growth state of the plants or prevent the roots from clogging the holes on the tray. However, it is difficult to ensure the root pruning range during the root pruning operation of the seedlings in the tray, which easily leads to damage to the plants due to excessive root pruning. At the same time, manual operation is often used during the root pruning operation, which is inconvenient to operate and has high work intensity.

[0006] The present invention proposes a root cutting device for seedlings in a tray, which includes a base frame. The outer walls on both sides of the base frame are fixedly connected to the same fixed frame, and an adjustable root cutting module is arranged inside the fixed frame. The top of the base frame is fixedly connected to two mounting frames, and the tray bottom root cutting modules are arranged on the two mounting frames, and the tray bottom root cutting module is located below the adjustable root cutting module.

[0007] By providing a base frame, a fixed frame, an installation frame, an adjustable root cutting module and a bottom root cutting module, the adjustable root cutting module can adjust and control the root cutting range when in use, thereby avoiding damage to the plant caused by excessive root cutting during root cutting, and no manual operation is required by the staff during root cutting, which increases the automation effect of the device and meets the root cutting needs of the device; the bottom root cutting module can cut the roots of the plant extending to the outside of the bottom of the hole tray when in use, and can avoid the extended roots from clogging the holes at the bottom of the hole tray while increasing the root cutting effect, thereby increasing the use effect of the device.

[0008] In a preferred embodiment, the shell root cutting module includes two return springs, the two return springs are fixedly connected to the top inner wall of the fixed frame, the bottom ends of the two return springs are fixedly connected to the same movable frame, the bottom of the movable frame is provided with multiple mounting openings, and one side outer wall of the movable frame is provided with a gear opening, one side outer wall of the fixed frame is fixedly connected to motor 2, the output shaft of motor 2 is connected to a toothed gear through a coupling, and the toothed gear is meshed with the gear opening; the inner walls of multiple mounting openings are movably connected to a root cutting rotating seat, the bottoms of multiple root cutting rotating seats are provided with four movable openings, the inner walls on both sides of the multiple movable openings are fixedly connected to two guide rods, the outer walls of the two guide rods inside the same movable opening are movably connected to the same root cutting blade, and the inner walls on one side of the multiple movable openings are fixedly connected to a pressure spring, One end of multiple pressure springs is fixedly connected to the outer wall of one side of the multiple root cutting blades; the outer walls of the multiple root cutting turntables are provided with four circular holes, and the multiple circular holes are respectively connected to the interior of the multiple movable openings, the inner walls of the multiple circular holes are fixedly connected with guide sleeves, and the tops of the multiple root cutting turntables are fixedly connected with motor four, the output shafts of the multiple motor fours are connected to the winding reel through a coupling, and the multiple winding reel are provided with four connecting cables, one end of the multiple connecting cables is fixedly connected to the outer wall of one side of the multiple root cutting blades, and the multiple connecting cables are located inside the multiple guide sleeves; multiple motors three are fixedly connected to the movable frame, the output shafts of the multiple motors three are connected to the driving gear through a coupling, and the outer walls of the multiple root cutting turntables are fixedly connected with gear rings, and the multiple gear rings are respectively meshed with the multiple driving gears.

[0009] By providing an adjustable root cutting module, the adjustable root cutting module can adjust the root cutting range according to the actual growth conditions of the plant when performing root cutting, thereby avoiding damage to the plant caused by excessive root cutting during the root cutting operation, so as to increase the root cutting effect and root cutting quality of the device. In addition, when performing the root cutting operation, the adjustable root cutting module can automatically cut the roots of the plant inside the plug tray body, which increases the automation effect of the device, reduces the work intensity of the staff, and improves the use effect and practicality of the device.

[0010] In a preferred solution, the bottom root cutting module includes two fixed brackets, which are respectively fixedly connected to the outer walls of one side of the two mounting frames, and the inner walls of the opposite sides of the two fixed brackets are fixedly connected with the same connecting plate, and the top of the connecting plate is movably connected with multiple shaft rods, and the outer walls of the multiple shaft rods are all fixedly connected with transmission wheels, and the outer walls of the multiple transmission wheels are provided with the same connecting belt, and the tops of the multiple shaft rods are all fixedly connected with circular blades; the bottom of the connecting plate is fixedly connected with motor 1, and the output shaft of motor 1 is connected to the bottom end of one of the shaft rods through a coupling, and an air pump is fixedly connected to the connecting plate, and the output end of the air pump is fixedly connected with a connecting pipe, and the output end of the connecting pipe is fixedly connected with a cleaning bin, and the outer wall of the cleaning bin is provided with multiple air holes.

[0011] By providing a tray bottom root cutting module, the tray bottom root cutting module can cut the roots of the plants extending from the bottom of the tray body when in use, further increasing the root cutting effect of the device, and by cutting the roots extending from the bottom, it can avoid the blockage of the holes in the tray body during the plant cultivation process, thereby avoiding the accumulation of water during plant irrigation and causing soaking of the roots, thereby further increasing the use effect of the device, and the device can perform the tray bottom root cutting operation separately when in use, increasing the diversity of use of the device.

[0012] The transmission mechanism that this sliding part is arranged is that the sliding part has the camming wheel that is located at the top of the gear of the transmission gear and the transmission gear of the transmission gear is connected with the camming wheel of the transmission gear.

[0013] By providing a driving rod, a stepping motor, a conveying roller, a conveying belt, a transmission belt, a linkage wheel, an electric telescopic rod, a connecting rod and a pushing rod, the stepping motor, the driving rod, the conveying roller and the conveying belt can drive the plug tray body to move, thereby facilitating the device to perform automated root pruning operations, increasing the convenience of using the device, and when transporting and placing, the posture of the plug tray body can be adjusted by the electric telescopic rod, the connecting rod and the pushing rod, so that the plug tray body is placed neatly, avoiding deviation during the root pruning operation and causing plant death, and further increasing the use effect of the device.

[0014] A root cutting method for a plug tray seedling root cutting device, using the plug tray seedling root cutting device as described above, comprises the following steps:

[0015] Step 1: Place the cell tray body on the conveyor belt, start the electric telescopic rod to drive the push rod to adjust its posture, and then start the stepper motor to drive the conveyor belt to transport the cell tray body;

[0016] Step 2: The plug tray body is moved to the bottom of the fixed frame, and the adjustable root cutting module is activated to cut the roots of the plants inside the plug tray body;

[0017] Step 3: While the roots are being cut, the root cutting module at the bottom of the tray is started to cut the roots extending from the bottom of the tray and continue to transport them until the root cutting operation is completed.

[0018] From the above, it can be seen that the root cutting device for seedlings in a tray provided by the present invention has the function of increasing the root cutting effect and efficiency. When in use, the device can adjust the spacing between multiple root cutting blades as needed to adjust its root cutting range, while avoiding damage to the plants caused by excessive root cutting, thereby increasing the use effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a root cutting device for seedlings in a tray proposed by the present invention;

[0020] Figure 2 This is a schematic diagram of the internal cross-sectional structure of a fixed frame of a root cutting device for seedlings in a tray proposed by the present invention;

[0021] Figure 3 This is a schematic structural diagram of an adjustable root cutting module of a root cutting device for seedlings in trays proposed by the present invention;

[0022] Figure 4 This is a schematic diagram of the disassembled structure of the adjustable root cutting module of the root cutting device for seedlings in trays proposed by the present invention;

[0023] Figure 5 This is a schematic diagram of the combined structure of the transmission belt and linkage wheel of the plug tray seedling root cutting device proposed by the present invention;

[0024] Figure 6 This is a schematic structural diagram of a tray bottom root cutting module of a tray seedling root cutting device proposed by the present invention;

[0025] Figure 7 This is a schematic diagram of the combined structure of a pushing rod and a connecting rod of a root cutting device for seedlings in a tray proposed by the present invention.

[0026] In the figure: 1. Base frame; 2. Mounting frame; 3. Conveyor belt; 4. Tray body; 5. Fixed frame; 6. Stepper motor; 7. Conveyor roller; 8. Tray bottom root cutting module; 801. Fixed bracket; 802. Connecting plate; 803. Circular blade; 804. Drive wheel; 805. Connecting belt; 806. Motor 1; 807. Air pump; 808. Air hole; 809. Cleaning chamber; 810. Connecting pipe; 811. Shaft rod; 9. Adjustable root cutting module; 901. Movable frame; 902. Return spring; 903, root cutting swivel seat; 904, gear mouth; 905, motor 2; 906, toothless gear; 907, guide sleeve; 908, root cutting blade; 909, pressure spring; 910, guide rod; 911, driving gear; 912, motor 3; 913, connecting cable; 914, reel; 915, motor 4; 916, gear ring; 10, driving rod; 11, transmission belt; 12, linkage wheel; 13, pushing rod; 14, electric telescopic rod; 15, connecting rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] The device for root pruning seedlings in a tray disclosed by the present invention is mainly used in scenarios where it is difficult to ensure the root pruned range during root pruning operations of seedlings in a tray, and excessive root pruning may easily cause damage to the plants.

[0029] Reference Figure 1-Figure 7 A root cutting device for seedlings in a tray comprises a base frame 1, the outer walls on both sides of the base frame 1 are fixedly connected to the same fixed frame 5, and an adjustable root cutting module 9 is arranged inside the fixed frame 5, and the top of the base frame 1 is fixedly connected to two mounting frames 2, and the two mounting frames 2 are provided with tray bottom root cutting modules 8, and the tray bottom root cutting module 8 is located below the adjustable root cutting module 9.

[0030] Specifically, the adjustable root cutting module 9 can adjust and control the root cutting range when in use, so as to avoid damage to the plants caused by excessive root cutting, and no manual operation is required by the staff during root cutting, which increases the automation effect of the device and meets the root cutting requirements of the device; the bottom root cutting module 8 can cut the roots of the plants extending to the outside of the bottom of the hole tray when in use, and can avoid the extended roots from clogging the holes at the bottom of the hole tray while increasing the root cutting effect, thereby increasing the use effect of the device.

[0031] Reference Figure 2 、 Figure 3 and Figure 4906 and 907. In one embodiment, the shell cutting module includes two return springs 902, and the two return springs 902 are fixedly connected to the top inner wall of the fixed frame 5. The bottom ends of the two return springs 902 are fixedly connected to the same movable frame 901. The bottom of the movable frame 901 is provided with multiple mounting ports, and a gear port 904 is provided on one side outer wall of the movable frame 901. The outer wall of one side of the fixed frame 5 is fixedly connected to the second motor 905. The output shaft of the second motor 905 is connected to the toothless gear 906 through a coupling, and the toothless gear 906 is meshed with the gear port 904; the inner walls of the multiple mounting ports are connected to the cutting seat 903 through bearings, and the bottoms of the multiple cutting seat 903 are provided with four movable ports. The inner walls on both sides of the multiple movable ports are fixedly connected to two guide rods 910, and the outer walls of the two guide rods 910 inside the same movable port are slidably connected to the same cutting blade 908, and the inner walls of one side of the multiple movable ports are fixedly connected to a pressure spring 909. One end of the pressure spring 909 is fixedly connected to the outer wall of one side of the multiple root cutting blades 908; the outer walls of the multiple root cutting rotating seats 903 are each provided with four circular holes, and the multiple circular holes are respectively connected to the interior of the multiple movable openings, and the inner walls of the multiple circular holes are fixedly connected to the guide sleeves 907, and the tops of the multiple root cutting rotating seats 903 are each fixedly connected to the motor four 915, and the output shafts of the multiple motor four 915 are connected to the winding disk 914 through the coupling, and the multiple winding disks 914 are each provided with four connecting wires. Cable 913, one end of the multiple connecting cables 913 is fixedly connected to the outer wall of one side of the multiple root cutting blades 908, and the multiple connecting cables 913 are located inside the multiple guide sleeves 907; multiple motors 3 912 are fixedly connected to the movable frame 901, and the output shafts of the multiple motors 3 912 are all connected to the driving gear 911 through a coupling, and the outer walls of the multiple root cutting rotating seats 903 are fixedly connected to the gear ring 916, and the multiple gear rings 916 are respectively engaged with the multiple driving gears 911.

[0032] Specifically, when cutting roots, start motor four 915, which drives the winding drum 914 to rotate, and then reels multiple connecting cables 913 through the winding drum 914. At this time, the connecting cables 913 pull the cutting blade 908 to move on the guide rod 910, so as to adjust the cutting range. After adjustment, start motor three 912, which drives the driving gear 911 to rotate through motor three 912. Since the driving gear 911 is engaged with the gear ring 916, the motor three 912 can drive the cutting rotary seat 903 to move. When the plug tray body 4 moves to the bottom of the fixed frame 5, the second motor 905 is started, and the second motor 905 drives the toothed gear 906 to rotate. Since the toothed gear 906 is engaged with the gear opening 904, the movable frame 901 is lowered, and then the root cutting blade 908 is driven to be inserted into the soil of the plant to cut the roots. After the roots are cut, as the second motor 905 runs, the toothed gear 906 is briefly separated from the gear opening 904. At this time, the reset spring 902 drives the movable frame 901 to rise and reset for the next root cutting.

[0033] In a specific application scenario, the adjustable root cutting module 9 is suitable for the root cutting link inside the plug tray plants, that is, the adjustable root cutting module 9 can adjust the root cutting range according to the actual growth conditions of the plants when used for root cutting, thereby avoiding excessive root cutting and causing damage to the plants during the root cutting operation, so as to increase the root cutting effect and root cutting quality of the device, and when performing the root cutting operation, the adjustable root cutting module 9 can automatically cut the roots of the plants inside the plug tray body 4, thereby increasing the automation effect of the device, reducing the work intensity of the staff, and improving the use effect and practicality of the device.

[0034] Reference Figure 2 、 Figure 5 and Figure 6 In a preferred embodiment, the bottom root cutting module 8 includes two fixed brackets 801, which are respectively fixedly connected to the outer wall of one side of the two mounting frames 2, and the inner walls of the opposite sides of the two fixed brackets 801 are fixedly connected to the same connecting plate 802, and the top of the connecting plate 802 is connected to multiple shaft rods 811 through bearings, and the outer walls of the multiple shaft rods 811 are all fixedly connected to the transmission wheels 804, and the outer walls of the multiple transmission wheels 804 are provided with the same connecting belt 805, and the tops of the multiple shaft rods 811 are all fixedly connected to circular blades 803; the bottom of the connecting plate 802 is fixedly connected to a motor 1 806, and the output shaft of the motor 1 806 is connected to the bottom end of one of the shaft rods 811 through a coupling, and an air pump 807 is fixedly connected to the connecting plate 802, and the output end of the air pump 807 is fixedly connected to a connecting pipe 810, and the output end of the connecting pipe 810 is fixedly connected to a cleaning bin 809, and the outer wall of the cleaning bin 809 is provided with multiple air holes 808.

[0035] Specifically, during the root cutting process, as the plug tray body 4 moves, the motor 806 is started, and the motor 806 drives one of the shaft members 811 to rotate, and then drives multiple shaft members 811 and the circular blade 803 to rotate through the transmission wheel 804 and the connecting belt 805, thereby cutting the roots extending from the bottom of the plug tray body 4, and at the same time starting the air pump 807, the air pump 807 sucks in air and transports it to the inside of the connecting pipe 810, and then transports it to the inside of the cleaning chamber 809 through the connecting pipe 810, and discharges the air through the air holes 808 on the cleaning chamber 809, thereby blowing the cut roots at the bottom to prevent the roots from being entangled on the shaft member 811 or the transmission wheel 804, until the root cutting is completed;

[0036] In a specific application scenario, the tray bottom root cutting module 8 is suitable for the root cutting link of the bottom roots of the plug tray plants, that is, the tray bottom root cutting module 8 can cut the roots of the plants extending from the bottom of the plug tray body 4 when in use, further increasing the root cutting effect of the device, and by cutting the roots extending from the bottom, it can avoid the blockage of the holes in the plug tray body 4 during the plant cultivation process, thereby avoiding the accumulation of water during plant irrigation to soak the roots, thereby further increasing the use effect of the device, and the device can perform the tray bottom root cutting operation separately when in use, increasing the diversity of use of the device.

[0037] Reference Figure 1 、 Figure 2 、 Figure 5 and Figure 7 In a preferred embodiment, the inner walls of the opposite sides of the two mounting seat frames are connected to multiple driving rods 10 through bearings, and the outer walls of the multiple driving rods 10 are fixedly connected to conveying rollers 7. The outer walls of the multiple conveying rollers 7 on the same side are all provided with the same conveyor belt 3, and the top of one conveyor belt 3 is provided with a hole tray body 4, and the outer wall of the hole tray body 4 is in contact with the top of the two fixed brackets 801; the outer wall of one side of one of the mounting frames 2 is fixedly connected to a stepper motor 6, and the output shaft of the stepper motor 6 is connected to one end of one of the driving rods 10 through a coupling, and the other end of the driving rod 10 and one end of the other driving rod 10 are fixedly connected to a linkage wheel 12, and the outer walls of the two linkage wheels 12 are provided with the same transmission belt 11, and the outer walls of one side of the two mounting frames 2 are fixedly connected to two electric telescopic rods 14, and the output ends of the four electric telescopic rods 14 are fixedly connected to a connecting rod 15, and the inner walls of the two connecting rods 15 on the same side are fixedly connected to the same pushing rod 13, and the two pushing rods 13 are both located above the two conveyor belts 3.

[0038] Specifically, when in use, the cell tray body 4 is set on the conveyor belt 3, and the electric telescopic rod 14 is started. The electric telescopic rod 14 drives the connecting rod 15 to move toward the opposite side, and makes the pushing rod 13 contact the edge of the cell tray body 4 to adjust the posture of the cell tray body 4. After adjustment, the stepper motor 6 is started, and the stepper motor 6 drives one of the drive rods 10 to rotate. At this time, the transmission belt 11 and the linkage wheel 12 can drive the two drive rods 10 to rotate, and then cooperate with the conveyor roller 7 to drive the conveyor belt 3 to run and transport the cell tray body 4;

[0039] In a specific application scenario, the hole tray body 4 can be driven to move by the stepper motor 6, the drive rod 10, the conveyor roller 7 and the conveyor belt 3, so as to facilitate the device to perform automated root cutting operations, increase the convenience of using the device, and when transporting and placing, the posture of the hole tray body 4 can be adjusted by the electric telescopic rod 14, the connecting rod 15 and the pushing rod 13, so that the hole tray body 4 is placed neatly, avoiding deviation during the root cutting operation and causing plant death, and further increasing the use effect of the device.

[0040] A root cutting method for a plug tray seedling root cutting device, using the plug tray seedling root cutting device as described above, comprises the following steps:

[0041] Step 1: When in use, the cell tray body 4 is set on the conveyor belt 3. At this time, the electric telescopic rod 14 is started, and the connecting rod 15 is driven to move toward the opposite side by the electric telescopic rod 14, and the pushing rod 13 is brought into contact with the edge of the cell tray body 4 to adjust the posture of the cell tray body 4. After adjustment, the stepper motor 6 is started, and the stepper motor 6 drives one of the driving rods 10 to rotate. At this time, the two driving rods 10 can be driven to rotate through the transmission belt 11 and the linkage wheel 12, and then the conveyor belt 3 is driven to run in cooperation with the conveying roller 7 to transport the cell tray body 4;

[0042] Step 2: When cutting roots, start motor 4 915, which drives the winding drum 914 to rotate, and then the winding drum 914 is used to reel in multiple connecting cables 913. At this time, the connecting cables 913 pull the cutting blade 908 to move on the guide rod 910, so as to adjust the cutting range. After adjustment, start motor 3 912, which drives the driving gear 911 to rotate. Since the driving gear 911 is engaged with the gear ring 916, the motor 3 912 can drive the cutting swivel 903 to move. When the plug tray body 4 moves to the bottom of the fixed frame 5, the second motor 905 is started, and the second motor 905 drives the toothed gear 906 to rotate. Since the toothed gear 906 is engaged with the gear opening 904, the movable frame 901 is lowered, and then the root cutting blade 908 is driven to be inserted into the soil of the plant to cut the roots. After the roots are cut, as the second motor 905 runs, the toothed gear 906 is briefly separated from the gear opening 904. At this time, the reset spring 902 drives the movable frame 901 to rise and reset for the next root cutting.

[0043] Step 3: During the root cutting process, as the plug tray body 4 moves, the motor 806 is started, and the motor 806 drives one of the shaft members 811 to rotate, and then drives multiple shaft members 811 and the circular blade 803 to rotate through the transmission wheel 804 and the connecting belt 805, and then the roots extending from the bottom of the plug tray body 4 are cut off. At the same time, the air pump 807 is started, and the air pump 807 sucks in air and transports it to the inside of the connecting pipe 810, and then transports it to the inside of the cleaning chamber 809 through the connecting pipe 810, and discharges the air through the air holes 808 on the cleaning chamber 809, so as to blow the roots cut off at the bottom, and continue to transport until the root cutting operation is completed.

[0044] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A root cutting device for seedlings in a tray, comprising a base frame (1), characterized in that: The outer walls of both sides of the base frame (1) are fixedly connected to the same fixed frame (5), and an adjustable root cutting module (9) is arranged inside the fixed frame (5); the top of the base frame (1) is fixedly connected to two mounting frames (2), and the two mounting frames (2) are provided with a bottom root cutting module (8), and the bottom root cutting module (8) is located below the adjustable root cutting module (9); the adjustable root cutting module (9) includes two reset springs (902), and the two reset springs (902) are fixedly connected to the fixed frame. The top inner wall of the frame (5) is fixedly connected to the bottom ends of the two return springs (902) with the same movable frame (901), the bottom of the movable frame (901) is provided with multiple installation openings, and the outer wall of one side of the movable frame (901) is provided with a gear opening (904), the outer wall of one side of the fixed frame (5) is fixedly connected to the second motor (905), the output shaft of the second motor (905) is connected to the toothless gear (906) through a coupling, and the toothless gear (906) is meshed with the gear opening (904); the disk The bottom root cutting module (8) includes two fixed brackets (801), the two fixed brackets (801) are respectively fixedly connected to the outer wall of one side of the two mounting frames (2), the inner wall of the opposite side of the two fixed brackets (801) is fixedly connected to the same connecting plate (802), the top of the connecting plate (802) is movably connected to a plurality of shaft members (811), the outer walls of the plurality of shaft members (811) are all fixedly connected to the transmission wheel (804), and the outer walls of the plurality of transmission wheels (804) are provided with the same connecting belt (803). 05), and the top ends of the plurality of shaft members (811) are fixedly connected to circular blades (803); the inner walls of the two opposite sides of the mounting frame are movably connected to a plurality of driving rods (10), the outer walls of the plurality of driving rods (10) are fixedly connected to conveying rollers (7), the outer walls of the plurality of conveying rollers (7) on the same side are all provided with the same conveyor belt (3), the top of one of the conveyor belts (3) is provided with a hole tray body (4), and the outer wall of the hole tray body (4) is in contact with the tops of the two fixed brackets (801); A stepper motor (6) is fixedly connected to the outer wall of one side of one of the mounting frames (2), and the output shaft of the stepper motor (6) is connected to one end of one of the driving rods (10) through a coupling, and the other end of the driving rod (10) and one end of the other driving rod (10) are fixedly connected to a linkage wheel (12), and the outer walls of the two linkage wheels (12) are provided with a same transmission belt (11), and the outer walls of the two mounting frames (2) are fixedly connected to two electric telescopic rods (14), and the output ends of the four electric telescopic rods (14) are fixedly connected to a connecting rod (15), and the inner walls of the two connecting rods (15) on the same side are fixedly connected to the same pushing rod (13), and the two pushing rods (13) are both located above the two conveyor belts (3).

2. A root cutting device for seedlings in a tray according to claim 1, characterized in that: The inner walls of the plurality of mounting openings are movably connected to a root cutting rotating seat (903), the bottoms of the plurality of root cutting rotating seats (903) are provided with a plurality of movable openings, the inner walls on both sides of each movable opening are fixedly connected to two guide rods (910), the outer walls of the two guide rods (910) inside the same movable opening are movably connected to the same root cutting blade (908), and the inner wall on one side of each movable opening is fixedly connected to a pressure spring (909), and one end of the plurality of pressure springs (909) is fixedly connected to the outer wall on one side of the plurality of root cutting blades (908).

3. A root cutting device for seedlings in a tray according to claim 2, characterized in that: The outer walls of the plurality of said root cutting rotating seats (903) are provided with a plurality of circular holes, and the plurality of circular holes are respectively connected to the interior of the plurality of movable openings, and the inner walls of the plurality of circular holes are fixedly connected with a guide sleeve (907), and the tops of the plurality of root cutting rotating seats (903) are fixedly connected with a motor four (915), and the output shafts of the plurality of motor four (915) are connected with a winding disk (914) through a coupling, and each winding disk (914) is provided with a plurality of connecting cables (913), and one end of the plurality of connecting cables (913) is respectively fixedly connected to the outer wall of one side of the plurality of root cutting blades (908), and the plurality of connecting cables (913) are separately located inside the plurality of guide sleeves (907).

4. A root cutting device for seedlings in a tray according to claim 3, characterized in that: The movable frame (901) is fixedly connected to a plurality of motors three (912), the output shafts of the plurality of motors three (912) are connected to a driving gear (911) via a coupling, and the outer walls of the plurality of root cutting rotating seats (903) are fixedly connected to a gear ring (916), and the plurality of gear rings (916) are respectively engaged with the plurality of driving gears (911).

5. A root cutting device for seedlings in a tray according to claim 4, characterized in that: The bottom of the connecting plate (802) is fixedly connected to a motor 1 (806), the output shaft of the motor 1 (806) is connected to the bottom end of one of the shaft members (811) through a coupling, and an air pump (807) is fixedly connected to the connecting plate (802), the output end of the air pump (807) is fixedly connected to a connecting pipe (810), and the output end of the connecting pipe (810) is fixedly connected to a cleaning chamber (809), and the outer wall of the cleaning chamber (809) is provided with a plurality of air holes (808).

6. A root cutting method for a plug tray seedling root cutting device, using the plug tray seedling root cutting device as described in claim 5, characterized in that: The steps include: Step 1: Place the cell tray body (4) on the conveyor belt (3), start the electric telescopic rod (14) to drive the push rod (13) to adjust its posture, and then start the stepping motor (6) to drive the conveyor belt (3) to transport the cell tray body (4); Step 2: The plug tray body (4) is moved to the bottom of the fixed frame (5), and the adjustable root cutting module (9) is activated to cut the roots of the plants inside the plug tray body (4); Step 3: While the roots are being cut, the tray bottom root cutting module (8) is started to cut the roots extending from the bottom of the tray body and continue to transport them until the root cutting operation is completed.

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