A kind of seedling rapid transplanting device

Abstract

The present invention discloses a device for rapid transplantation of seedlings, and relates to the technical field of planting equipment. The present invention comprises a base, an electric rotating table is installed on the surface of the base, a transfer frame is fixedly installed on the rotating surface of the electric rotating table, a soil drilling mechanism and a lifting platform a are respectively installed on the inner wall of the transfer frame, and the inner wall of the lifting platform a is rotatably connected to a seedling extraction drill tube driven by a motor a, and an inflatable loop is fixedly opened inside the seedling extraction drill tube. The present invention enables the device to efficiently complete the transplantation of seedlings through the arrangement of structures such as a seedling extraction drill tube and a soil extraction drill tube, and the static structure of the traditional transplantation structure is changed to an automated structure when transplanting seedlings, and the transplantation efficiency of the seedlings by the device is effectively improved through the realization of the automated structure.

Description

Technical Field

[0001] The invention belongs to the technical field of planting equipment, and in particular relates to a device for rapid transplanting of seedlings. Background Art

[0002] With the continuous improvement of agricultural technology, seedling transplanting has become a very important part of planting technology. The traditional method of seedling transplanting is to dig up the seedlings manually with a hoe or shovel, and then replant them in the position where there are missing plants. During the implementation of this method, the seedling system, especially the newly formed capillary roots, are easily damaged, which causes the root absorption function of the seedlings to be damaged after transplanting. In addition, it is easy to cause the soil at the roots of the seedlings to fall off due to excessive vibration, resulting in a low survival rate of transplanted seedlings.

[0003] In the prior art, the patent document with publication number CN209788060U discloses a device for transplanting fruit tree seedlings, which comprises a vertically arranged transplanting support column, a transplanting handle is fixedly installed on the top of the transplanting support column, a horizontally arranged regular hexagonal seedling guide outer frame is fixedly installed on the bottom of the transplanting support column, a regular hexagonal seedling guide inner frame is fixedly installed in the seedling guide outer frame, and the six sides of the seedling guide outer frame are correspondingly arranged in parallel with the six sides of the seedling guide inner frame and are located in the same horizontal plane. The above device has a simple structure, a reasonable design, and is easy to use. It has a good soil fixing effect and is conducive to long-distance transfer, and realizes multiple functions of soil removal, seedling removal, and transplanting. However, the above device is a manual structure when used. Due to the manual structure, the transplanting efficiency of the seedlings is low, and the above device cannot complete the reopening of the transplanted seedling cultivation hole and the rapid soil covering operation after the seedlings are transplanted in one piece when the seedlings are transplanted. Based on this, the present invention provides a seedling seedling rapid transplanting device to solve the problems raised in the above background technology. Summary of the invention

[0004] The purpose of the present invention is to provide a seedling rapid transplanting device. Through the seedling rapid transplanting device, the problem of low seedling transplanting efficiency caused by the existing seedling rapid transplanting device due to its manual structure is solved, and the above-mentioned device cannot complete the reopening of the transplanted seedling cultivation hole and the rapid soil covering operation after the seedling is transplanted.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention discloses a rapid transplanting device for seedlings, comprising a base, an electric rotating platform is installed on the surface of the base, a rotation frame is fixedly installed on the rotating surface of the electric rotating platform, a soil drilling mechanism and a lifting platform a are respectively installed on the inner wall of the rotation frame in a manner that can be raised and lowered, a seedling extraction drill tube driven by a motor a is rotatably connected to the inner wall of the lifting platform a, an inflatable ring channel is fixedly provided inside the seedling extraction drill tube, a storage ring groove is fixedly provided on the inner lower part of the seedling extraction drill tube, a transmission cylinder is slidably connected to the inner wall of the inflatable ring channel, a group of connecting rods distributed in a circumferential array are hingedly connected to the bottom surface of the transmission cylinder, and each connecting rod is connected to the inner wall of the inflatable ring channel. The other end of each connecting rod is hinged with a soil gathering claw, and the top of each soil gathering claw is hinged with a receiving ring groove. The peripheral side surface of the transmission cylinder is sleeved with a compression spring a, and the inner wall of the seedling drilling cylinder is slidably connected with a soil pressing cylinder, and the peripheral side surface of the soil pressing cylinder is sleeved with a compression spring b. The bottom of the soil pressing cylinder is fixedly provided with an accommodating ring groove, and the inner wall of the accommodating ring groove is fixedly installed with a soil retaining ring bag. The interior of the soil pressing cylinder is fixedly provided with an air dividing ring channel, and the surface of the air dividing ring channel is fixedly connected to the soil retaining ring bag. The side of the lifting platform a is fixedly installed with an air supply module connected with the air dividing ring channel and the inflation ring channel.

[0007] Preferably, the air supply module includes a suction pump fixedly connected to the lifting platform a, the ports of the suction pump are respectively fixedly connected with a corrugated connecting pipe and an air supply pipe, the other end of the corrugated connecting pipe is rotatably connected to the air distribution ring channel, the other end of the air supply pipe is fixedly installed with an air distribution ring pipe, the inner wall of the air distribution ring pipe is rotatably connected to the seedling pluck drill tube, the interior of the seedling pluck drill tube is provided with a group of air-permeable outer holes, the air distribution ring pipe is fixedly connected with the inflation ring channel through the air-permeable outer holes, the interior of the soil pressing cylinder is fixedly provided with a group of air-permeable inner holes, the two ends of the air-permeable inner holes are respectively fixedly connected with the air distribution ring channel and the soil retaining ring bag, and the interiors of the corrugated connecting pipe and the air supply pipe are fixedly installed with air pressure probes and solenoid valves.

[0008] Preferably, a sealing ring which slides with the inflation ring is fixedly mounted on the peripheral side surface of the transmission cylinder.

[0009] Preferably, the seedling auger tube is a hollow cylindrical structure with openings at both ends, and the soil pressing tube is a hollow cylindrical structure with an opening at the bottom end and a closed top end. The inner wall of the seedling auger tube is provided with a group of guide grooves distributed in a circular array, and guide blocks are fixedly installed on the circumferential side surface of the soil pressing tube and at the position corresponding to each guide groove.

[0010] Preferably, a group of plastic springs distributed in a circular array are fixedly mounted on the inner wall of the soil retaining ring bag, and the axis of the plastic spring is perpendicular to the axis of the seedling extraction drill tube.

[0011] Preferably, the soil drilling mechanism includes a lifting platform b which is lifted and lowered by the transfer frame, the inner wall of the lifting platform b is rotatably connected to a soil drilling barrel driven by a motor b, the axial position of the soil drilling barrel is rotatably connected to a soil lifting shaft driven by a motor c, and spiral soil lifting blades are fixedly installed on the circumferential side surface of the soil lifting shaft, the circumferential side surface of the spiral soil lifting blades are rotationally fitted with the soil drilling barrel, and a soil holding cavity is fixedly provided inside the soil drilling barrel and at a position corresponding to the top of the spiral soil lifting blades.

[0012] Preferably, two vertically arranged screw lifting modules are installed inside the transfer frame, and the peripheral side surfaces of the two screw lifting modules are respectively transmission-connected to the lifting platform a and the lifting platform b, and two groups of symmetrically arranged guide rails are fixedly installed inside the transfer frame, and the peripheral side surfaces of the two groups of guide rails are respectively slidingly connected to the lifting platform a and the lifting platform b.

[0013] Preferably, the inner diameter of the soil drilling tube is 1.1-1.2 times the inner diameter of the seedling drilling tube, and a group of drilling teeth distributed in a circular array are fixedly mounted on the bottom surfaces of the soil drilling tube and the seedling drilling tube.

[0014] Preferably, a single-chip microcomputer is fixedly mounted on the end face of the transfer frame, the data ports of the suction pump, solenoid valve and air pressure probe are electrically connected to the single-chip microcomputer, a group of universal casters are installed at the bottom of the base, and two symmetrically arranged guide tubes are fixedly mounted on the bottom of the transfer frame, and the axes of the two guide tubes are coaxial with the axes of the soil extraction drill barrel and the seedling extraction drill barrel, respectively.

[0015] The present invention has the following beneficial effects:

[0016] The present invention arranges structures such as a seedling-taking drill tube and a soil-taking drill tube, so that the device can efficiently complete the transplanting operation of seedlings and young plants. Moreover, when transplanting seedlings, the static structure of the traditional transplanting structure is changed into an automated structure. Through the realization of the automated structure, the transplanting efficiency of the seedlings by the device is effectively improved. Moreover, through the arrangement of double drill tubes, the device can integrally complete the removal of seedlings with soil, transfer, rapid excavation of cultivation holes after transfer, and secondary soil covering after transplanting seedlings. Through the realization of the above-mentioned integrated functions, the device can achieve the purpose of rapid transplanting of seedlings and young plants.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a device for rapid transplantation of seedlings;

[0020] Figure 2 It is a structural schematic diagram of the lifting platform a and the seedling extraction drill tube;

[0021] Figure 3 It is a schematic diagram of the structure of the suction pump and the air pressure probe;

[0022] Figure 4 for Figure 2 A schematic cross-sectional structure diagram of ;

[0023] Figure 5 for Figure 4 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 6 for Figure 4 A schematic diagram of the local enlarged structure at B in the middle;

[0025] Figure 7 It is a structural schematic diagram of the soil drilling mechanism;

[0026] Figure 8 for Figure 7 Schematic diagram of the cross-sectional structure.

[0027] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0028] 1. Base; 2. Transfer frame; 3. Drilling mechanism; 4. Lifting platform a; 5. Motor a; 6. Seedling drill tube; 7. Inflatable ring; 8. Transmission cylinder; 9. Connecting rod; 10. Soil-collecting claw; 11. Compression spring a; 12. Soil-pressing cylinder; 13. Compression spring b; 14. Soil-retaining ring bag; 15. Air distribution ring; 16. Suction pump; 17. Corrugated connecting pipe; 18. Air supply pipe; 19. Air distribution ring pipe; 20. Air permeable outer hole; 21. Air permeable inner hole; 22. Air pressure probe; 23. Solenoid valve; 24. Shaping spring; 25. Lifting platform b; 26. Motor b; 27. Soil drill tube; 28. Motor c; 29. ​​Spiral soil-lifting blade; 30. Soil-containing cavity; 31. Screw lifting module; 32. Drill teeth; 33. Single-chip microcomputer; 34. Guide tube. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] See also Figure 1-8 The present invention is a seedling rapid transplanting device, comprising a base 1, a group of universal casters are installed at the bottom of the base 1, an electric rotating platform is installed on the surface of the base 1, a transfer frame 2 is fixedly installed on the rotating surface of the electric rotating platform, a single-chip computer 33 is fixedly installed on the end surface of the transfer frame 2, and a soil drilling mechanism 3 and a lifting platform a4 are respectively installed on the inner wall of the transfer frame 2 in a liftable manner. The electric rotating platform is set to drive the transfer frame 2 to rotate at an angle. After the transfer frame 2 rotates at an angle, the working positions of the soil drilling mechanism 3 and the lifting platform a4 are switched;

[0031] The soil drilling mechanism 3 includes a lifting platform b25 connected to the transfer frame 2 for lifting and lowering, the inner wall of the lifting platform b25 is rotatably connected to a soil drilling barrel 27 driven by a motor b26, the surface of the motor b26 is fixedly connected to the lifting platform b25, the axial position of the soil drilling barrel 27 is rotatably connected to a soil lifting shaft driven by a motor c28, the bottom surface of the motor c28 is fixedly connected to the lifting platform b25, the peripheral side of the soil lifting shaft is fixedly installed with a spiral soil lifting blade 29, the peripheral side of the spiral soil lifting blade 29 is rotatably fitted with the soil drilling barrel 27, and a soil holding cavity 30 is fixedly provided inside the soil drilling barrel 27 and at a position corresponding to the position above the spiral soil lifting blade 29;

[0032] When the soil drilling mechanism 3 is working, the motor b26 and the motor c28 work synchronously. When the motor b26 is working, the lifting platform b25 moves downward slowly, and by setting the output direction of the motor c28, the spiral soil lifting blade 29 is made to lift the soil upward. The soil material lifted by the spiral soil lifting blade 29 is finally contained in the soil containing cavity 30. When the seedlings are transplanted, the soil drilling mechanism 3 moves to the top of the transplanting hole and releases the soil material in the soil containing cavity 30 to fill the transplanting hole with soil material.

[0033] Two vertically arranged screw lifting modules 31 are installed inside the transfer frame 2, and the peripheral sides of the two screw lifting modules 31 are respectively connected to the lifting platform a4 and the lifting platform b25 by transmission. Two sets of symmetrically arranged guide rails are fixedly installed inside the transfer frame 2, and the peripheral sides of the two sets of guide rails are respectively connected to the lifting platform a4 and the lifting platform b25 by sliding. The function of the guide rails is to effectively guide and limit the movement direction of the lifting platform a4 and the lifting platform b25.

[0034] The two screw lifting modules 31 are in independent working mode when working, and then drive the lifting platform a4 and the lifting platform b25 to perform lifting operations respectively;

[0035] The screw lifting module 31 includes a driving motor and a driving screw, and the output shaft end of the driving motor is fixedly connected to the driving screw;

[0036] The inner wall of the lifting platform a4 is rotatably connected with a seedling drilling tube 6 driven by a motor a5. The seedling drilling tube 6 is a hollow cylindrical structure with two ends open. The inner diameter of the soil drilling tube 27 is 1.1 times the inner diameter of the seedling drilling tube 6. The inner diameter difference between the soil drilling tube 27 and the seedling drilling tube 6 is set to ensure that the transplanted seedlings and seedling soil can be quickly placed in the cultivation hole opened by the soil drilling tube 27.

[0037] Two symmetrically arranged guide tubes 34 are fixedly installed at the bottom of the transfer frame 2, and the axes of the two guide tubes 34 are coaxial with the axes of the soil drilling tube 27 and the seedling drilling tube 6 respectively.

[0038] A group of drill teeth 32 distributed in a circumferential array are fixedly mounted on the bottom surfaces of the soil-taking drill tube 27 and the seedling-taking drill tube 6;

[0039] The tops of the seedling drilling tube 6 and the soil drilling tube 27 are fixedly mounted with driven bevel gear rings, and the output shaft ends of the motors a5 and b26 are fixedly mounted with transmission bevel gears meshing with the driven bevel gear rings;

[0040] An inflatable ring channel 7 is fixedly provided inside the seedling drilling tube 6, and a storage ring groove is fixedly provided at the inner lower part of the seedling drilling tube 6. A transmission cylinder 8 is slidably connected to the inner wall of the inflatable ring channel 7, and a sealing ring that slides with the inflatable ring channel 7 is fixedly installed on the peripheral side of the transmission cylinder 8. The sealing ring is set to effectively ensure the sealing of the sliding connection between the transmission cylinder 8 and the inflatable ring channel 7;

[0041] A group of connecting rods 9 distributed in a circumferential array are hinged on the bottom surface of the transmission cylinder 8, and a soil-collecting claw 10 is hinged on the other end of each connecting rod 9. The top of each soil-collecting claw 10 is hinged to the receiving ring groove, and a compression spring a11 is sleeved on the peripheral side surface of the transmission cylinder 8;

[0042] The inner wall of the seedling drilling tube 6 is slidably connected with a soil pressing tube 12, which is a hollow cylindrical structure with an open bottom and a closed top. The inner wall of the seedling drilling tube 6 is provided with a group of guide grooves distributed in a circumferential array, and a guide block is fixedly installed on the circumferential side surface of the soil pressing tube 12 and at the position corresponding to each guide groove. By setting the guide groove and the guide block, it is ensured that the soil pressing tube 12 and the seedling drilling tube 6 can rotate synchronously;

[0043] The circumferential side of the soil pressing cylinder 12 is sleeved with a compression spring b13, and a accommodating ring groove is fixedly opened at the bottom of the soil pressing cylinder 12. A soil retaining ring capsule 14 is fixedly installed on the inner wall of the accommodating ring groove. A group of plastic springs 24 distributed in a circumferential array are fixedly installed on the inner wall of the soil retaining ring capsule 14. The axis of the plastic spring 24 is perpendicular to the axis of the seedling drilling cylinder 6. The role of the plastic spring 24 is to shape the soil retaining ring capsule 14, thereby improving the anti-deformation strength of the soil retaining ring capsule 14. The number and distribution density of the plastic springs 24 can be customized according to actual needs;

[0044] An air dividing annular channel 15 is fixedly provided inside the soil pressing cylinder 12, and the surface of the air dividing annular channel 15 is fixedly connected to the soil retaining ring bag 14. A group of air permeable inner holes 21 are fixedly provided inside the soil pressing cylinder 12, and the two ends of the air permeable inner holes 21 are fixedly connected to the air dividing annular channel 15 and the soil retaining ring bag 14 respectively.

[0045] An air supply module connected to the air distribution ring channel 15 and the air charging ring channel 7 is fixedly installed on the side of the lifting platform a4.

[0046] The air supply module includes a suction pump 16 fixedly connected to the lifting platform a4, and the ports of the suction pump 16 are respectively fixedly connected with a corrugated connecting pipe 17 and an air supply pipe 18, the other end of the corrugated connecting pipe 17 is rotatably connected to the air distribution ring channel 15, and the other end of the air supply pipe 18 is fixedly installed with an air distribution ring pipe 19, the inner wall of the air distribution ring pipe 19 is rotatably connected to the seedling extraction drill tube 6, and a group of air permeable outer holes 20 are opened inside the seedling extraction drill tube 6, and the air distribution ring pipe 19 is fixedly connected with the inflation ring channel 7 through the air permeable outer holes 20, and the insides of the corrugated connecting pipe 17 and the air supply pipe 18 are fixedly installed with an air pressure probe 22 and an electromagnetic valve 23, and the data ports of the suction pump 16, the electromagnetic valve 23 and the air pressure probe 22 are all electrically connected to the single-chip computer 33;

[0047] The two air pressure probes 22 are provided to respectively monitor the air pressure data inside the bellows coupling 17 and the air supply pipe 18; the two solenoid valves 23 are provided to respectively control whether the bellows coupling 17 and the air supply pipe 18 are connected to the suction pump 16; when the air pressure probe 22 is working, the monitored data is fed back to the single-chip microcomputer 33 in real time; the single-chip microcomputer 33 controls the working status of the two solenoid valves 23 respectively according to the data feedback from the two air pressure probes 22.

[0048] The device is mainly suitable for the rapid transplantation of seedlings. When in use, the device is arranged at the transplanting site. In the initial state, the transmission cylinder 8 is reset to the initial height, the soil-collecting claw 10 is hidden in the receiving ring groove, the interior of the soil-retaining ring bag 14 is kept at a negative pressure, and the soil-retaining ring bag 14 is received in the receiving ring groove. When the seedlings are transplanted, the seedling drill tube 6 is coaxial with the seedlings. Subsequently, under the action of the screw lifting module 31, the seedling drill tube 6 moves down slowly. During the process of the seedling drill tube 6 moving down slowly, the motor a5 works, and the motor When a5 is working, it drives the seedling drilling tube 6 to rotate synchronously in the process of moving downward. When the bottom surface of the seedling drilling tube 6 is in contact with the planting bottom surface of the seedlings, the suction pump 16 inflates the soil retaining ring bag 14 until the monitoring value of the air pressure probe 22 at the corrugated joint pipe 17 reaches the set value. When the monitoring value of the air pressure probe 22 at the corrugated joint pipe 17 reaches the set value, the solenoid valve 23 at the corrugated joint pipe 17 is closed, and when the monitoring value of the air pressure probe 22 at the corrugated joint pipe 17 reaches the set value, the soil retaining ring bag 14 is fully inflated. After the soil retaining ring bag 14 is fully unfolded, it will effectively limit the connection between the seedlings and the soil and block the soil at the seedlings. When the seedling drilling tube 6 moves down to a specified depth, the suction pump 16 supplies air to the inside of the inflation ring until the monitoring value of the air pressure probe 22 in the air supply pipe 18 reaches the set value. When the monitoring value of the air pressure probe 22 in the air supply pipe 18 reaches the set value, the transmission cylinder 8 moves downward by a specified stroke, so that a group of soil gathering claws 10 are fully gathered. After the soil gathering claws 10 are gathered, Then the cutting operation of the seedling planting soil is completed. During the gathering process of the soil gathering claws 10, the seedling drilling tube 6 rotates at a low speed. After the gathering, the lifting platform a4 is fully reset to the initial height. After the seedlings are removed, the transplanting holes can be filled manually or electrically by the drilling mechanism 3. When it is necessary to cultivate the transplanted seedlings, the drilling mechanism 3 is used to open the cultivation holes, and the transplanted seedlings are filled into the cultivation holes. After the seedlings are initially cultivated, the soil in the soil cavity 30 is slowly released, and then the soil covering operation of the seedlings is realized.

[0049] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0050] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A seedling rapid transplanting device, comprising a base (1), a surface of the base (1) being provided with an electric rotating platform, a rotating surface of the electric rotating platform being fixedly provided with a transfer frame (2), characterized in that: The inner wall of the transfer frame (2) is respectively provided with a soil drilling mechanism (3) and a lifting platform a (4) which can be lifted and lowered. The inner wall of the lifting platform a (4) is rotatably connected with a seedling extraction drill tube (6) driven by a motor a (5). An inflatable ring channel (7) is fixedly provided inside the seedling extraction drill tube (6). A storage ring groove is fixedly provided at the inner lower part of the seedling extraction drill tube (6). A transmission tube (8) is slidably connected to the inner wall of the inflatable ring channel (7). A group of connecting rods (9) distributed in a circular array are hinged on the bottom surface of the transmission tube (8). The other end of each connecting rod (9) is hinged with a soil gathering claw (10). The top end of each soil gathering claw (10) is connected to the storage ring groove. The groove is hinged, the peripheral side surface of the transmission cylinder (8) is sleeved with a compression spring a (11), the inner wall of the seedling extraction drill cylinder (6) is slidably connected with a soil pressing cylinder (12), the peripheral side surface of the soil pressing cylinder (12) is sleeved with a compression spring b (13), the bottom of the soil pressing cylinder (12) is fixedly provided with a containing ring groove, the inner wall of the containing ring groove is fixedly installed with a soil retaining ring bag (14), the interior of the soil pressing cylinder (12) is fixedly provided with an air distribution ring channel (15), the surface of the air distribution ring channel (15) is fixedly connected with the soil retaining ring bag (14), and the side of the lifting platform a (4) is fixedly installed with an air supply module connected with the air distribution ring channel (15) and the inflation ring channel (7); The air supply module comprises a suction pump (16) fixedly connected to the lifting platform a (4); the ports of the suction pump (16) are respectively fixedly connected to a corrugated connecting pipe (17) and an air supply pipe (18); the other end of the corrugated connecting pipe (17) is rotatably connected to the air distribution annular channel (15); the other end of the air supply pipe (18) is fixedly installed with an air distribution annular pipe (19); the inner wall of the air distribution annular pipe (19) is rotatably connected to the seedling extraction drill tube (6); the inner wall of the seedling extraction drill tube (6) is A group of air-permeable outer holes (20) are opened in the part, and the air distribution ring pipe (19) is fixedly connected with the air filling ring channel (7) through the air-permeable outer holes (20). A group of air-permeable inner holes (21) are fixedly opened in the soil pressing cylinder (12), and the two ends of the air-permeable inner holes (21) are fixedly connected with the air distribution ring channel (15) and the soil retaining ring bag (14) respectively. The bellows connecting pipe (17) and the air supply pipe (18) are fixedly installed with an air pressure probe (22) and a solenoid valve (23).

2. A seedling rapid transplanting device according to claim 1, characterized in that: A sealing ring which is in sliding cooperation with the inflation ring channel (7) is fixedly mounted on the peripheral side surface of the transmission cylinder (8).

3. A seedling rapid transplanting device according to claim 2, characterized in that: The seedling auger (6) is a hollow cylindrical structure with openings at both ends, and the soil pressing cylinder (12) is a hollow cylindrical structure with an opening at the bottom and a closed top. The inner wall of the seedling auger (6) is provided with a group of guide grooves distributed in a circumferential array, and guide blocks are fixedly installed on the circumferential side surface of the soil pressing cylinder (12) and at the position corresponding to each guide groove.

4. A seedling rapid transplanting device according to claim 3, characterized in that: A group of plastic springs (24) distributed in a circumferential array are fixedly mounted on the inner wall of the soil retaining ring bag (14), and the axis of the plastic spring (24) is perpendicular to the axis of the seedling extraction drill tube (6).

5. The seedling rapid transplanting device according to claim 1, characterized in that: The soil drilling mechanism (3) comprises a lifting platform b (25) connected to the transfer frame (2) in a lifting manner, the inner wall of the lifting platform b (25) is rotatably connected to a soil drilling tube (27) driven by a motor b (26), the axis position of the soil drilling tube (27) is rotatably connected to a soil lifting shaft driven by a motor c (28), a spiral soil lifting blade (29) is fixedly mounted on the circumferential side of the soil lifting shaft, the circumferential side of the spiral soil lifting blade (29) is rotatably fitted with the soil drilling tube (27), and a soil containing cavity (30) is fixedly arranged inside the soil drilling tube (27) and at a position corresponding to the upper part of the spiral soil lifting blade (29).

6. A seedling rapid transplanting device according to claim 5, characterized in that: Two vertically arranged screw lifting modules (31) are installed inside the transfer frame (2), and the peripheral side surfaces of the two screw lifting modules (31) are respectively connected to the lifting platform a (4) and the lifting platform b (25) in a transmission manner. Two groups of symmetrically arranged guide rails are fixedly installed inside the transfer frame (2), and the peripheral side surfaces of the two groups of guide rails are respectively connected to the lifting platform a (4) and the lifting platform b (25) in a sliding manner.

7. A seedling rapid transplanting device according to claim 6, characterized in that: The inner diameter of the soil-extracting drill tube (27) is 1.1-1.2 times the inner diameter of the seedling-extracting drill tube (6). A group of drill teeth (32) distributed in a circumferential array are fixedly mounted on the bottom surfaces of the soil-extracting drill tube (27) and the seedling-extracting drill tube (6).

8. A seedling rapid transplanting device according to claim 7, characterized in that: A single-chip microcomputer (33) is fixedly mounted on the end surface of the transfer frame (2); data ports of the suction pump (16), the solenoid valve (23) and the air pressure probe (22) are electrically connected to the single-chip microcomputer (33); a group of universal casters are mounted on the bottom of the base (1); two symmetrically arranged guide tubes (34) are fixedly mounted on the bottom of the transfer frame (2); the axes of the two guide tubes (34) are coaxial with the axes of the soil extraction drill tube (27) and the seedling extraction drill tube (6), respectively.

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