A rotary automatic replanting disc device and a control method thereof

Abstract

The application discloses a rotary automatic seedling supplementing tray device and a control method thereof. The device drives a tray taking rod to move forward along a guide groove through a motor, can realize forward movement and lifting of the tray taking rod, realizes tray taking operation, drives the tray taking rod to move backward along a track through the motor, can realize backward movement of the tray taking rod, and can make the tray taking rod turn backward with lifting of a roller, realizes tray placing operation. The tray taking device adopts a combination mode of a tooth track and a wheel track, can realize movement, lifting, tray taking and turning supplementing operation in a short distance at the same time, solves the problem of large space occupation of a traditional supplementing tray device, and realizes fast and efficient tray taking and supplementing operation. The tray taking device can realize adjustment of a supplementing tray position through an electric rotating base and a slide rail, can complete supplementing tray operation on multiple rows of transplanting machines. The device has the advantages of simple structure, small size, large storage capacity, real-time detection and automatic supplementing of seedling trays for the transplanting machine, and can effectively solve the problems of low efficiency of manual tray placing and large space occupation of a seedling tray rack.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of agricultural mechanization, and in particular to a rotary automatic seedling supplementing tray device and a control method thereof. BACKGROUND

[0002] With the development of agricultural modernization, traditional transplanting work gradually exposes problems such as low efficiency, high labor intensity, and large space occupation. Especially in large-scale production and transplanting process, the automatic transplanting machine often needs manual operation for tray taking and placing, and the tray storage needs to occupy a large amount of space. Therefore, it is an urgent need in modern agricultural production to research and develop an efficient and automatic seedling supplementing tray device.

[0003] Some existing automatic supplementing tray devices usually have problems such as complex structure, small storage capacity, or large space occupation. In addition, many small and medium-sized automatic transplanting machines have small volume, small seedling tray storage capacity, and lack of suitable automatic seedling supplementing tray devices, and still need manual seedling supplementing. Therefore, an automatic seedling supplementing tray device with large storage capacity, small volume, and automatic seedling supplementing function is needed to solve the above problems. SUMMARY

[0004] The purpose of the embodiments of the present application is to provide a rotary automatic seedling supplementing tray device, which adopts a staggered and stacked tray placing structure, can effectively improve the storage capacity of the tray of the transplanting machine, and the designed tray taking device can automatically supplement the seedling tray for the transplanting machine according to the use condition of the seedling tray, and can effectively solve the problem that the transplanting machine needs manual seedling tray placing.

[0005] According to a first aspect of the embodiments of the present application, a rotary automatic seedling supplementing tray device is provided, comprising:

[0006] a support frame;

[0007] a rotary seedling tray frame, the rotary seedling tray frame comprising an electric rotating base, an electric lifting column, a limiting ring, and a support unit; the electric lifting column is fixed on the electric rotating base, the limiting column is provided with a limiting groove in the axial direction, at least two limiting rings are installed in the limiting groove, a plurality of support units are installed on the side surface of each limiting ring, and the support unit is used for placing a seedling tray;

[0008] The tray taking device comprises a tray taking rod, an electric rotating base, an electric guide slide rail, a first gear, a roller, a first connecting rod, a second connecting rod, a first roller, a second roller, a toothed track, a wheel track, a motor, and a second gear. The electric guide slide rail is fixed on the support frame, the electric rotating base is mounted on the electric guide slide rail, the toothed track and the wheel track are fixed on the electric rotating base, the upper surface of the toothed track is provided with a rack connected by a horizontal section and an inclined section, and the middle part is provided with a first guide groove parallel to the rack; the upper surface of the wheel track is provided with a U-shaped guide surface connected by a first inclined section, a horizontal section and a second inclined section in sequence, and the middle part is provided with a second guide groove parallel to the U-shaped guide surface; the motor is fixed on the first supporting leg at the rear end of the tray taking rod, the first gear is mounted on the output shaft of the motor, the second gear is pivotally connected to the first supporting leg at the rear end of the tray taking rod, the first gear, the second gear and the rack are in transmission in sequence, one end of the first connecting rod is pivotally connected to the first supporting leg at the rear end of the tray taking rod, and the other end is provided with the first roller; the first roller is arranged in the first guide groove and can roll along the first guide groove; one end of the second connecting rod is pivotally connected to the second supporting leg at the rear end of the tray taking rod, and the other end is provided with the second roller; the second roller is arranged in the second guide groove and can roll along the second guide groove; the roller is pivotally connected to the second supporting leg at the rear end of the tray taking rod, and the roller abuts against the guide surface.

[0009] Further, the limiting ring is connected with six support units, and there are three limiting rings, and the support units on each limiting ring are arranged in staggered layers.

[0010] Further, the support unit comprises a bottom rod, a seedling tray limiting rod, an electric telescopic rod and a connecting rod, two ends of the connecting rod are respectively pivotally connected with the middle end of the bottom rod and the wide end of the seedling tray limiting rod, the electric telescopic rod is telescopically mounted in the bottom rod, the electric telescopic rod can telescopically move along the bottom rod, and the outer end of the electric telescopic rod is pivotally connected with the narrow end of the seedling tray limiting rod.

[0011] Further, the support frame comprises a support and a tray feeding frame mounted on the support, and the tray taking device is arranged on the support and located at the inlet of the tray feeding frame.

[0012] Further, a single-chip microcomputer and a detection part are further included, the detection part is electrically connected with the single-chip microcomputer, the detection part comprises a first photoelectric sensor, a second photoelectric sensor and a third photoelectric sensor, the first photoelectric sensor and the second photoelectric sensor are fixed on the side of the tray feeding frame and used for detecting the position of the seedling tray in use, the third photoelectric sensor is fixed on the side of the support and used for detecting the position of the seedling tray of the rotary seedling tray frame, and the motor, the electric rotating base, the electric rotating base, the electric lifting column, the electric telescopic rod and the electric guide slide rail are electrically connected with the single-chip microcomputer respectively.

[0013] Further, the electric rotating base comprises a driving motor, a pinion, a rotating platform, a bearing and a fixed base, the rotating platform is connected with the fixed base through the bearing, the pinion is connected with the motor, the pinion is engaged with an internal gear on the rotating platform, and rotation of the rotating platform is realized by driving the pinion to rotate through the driving motor.

[0014] According to a second aspect of the embodiments of the present application, a control method of a rotating automatic seedling supplementing device is provided, which comprises the following steps:

[0015] Supplementing device detection: the position of the supplementing device is detected through the first photoelectric sensor and the second photoelectric sensor, and it is judged whether the supplementing device needs to be supplemented;

[0016] Seedling position adjustment: the position of the seedling on the rotating seedling rack is detected through the third photoelectric sensor, and the electric rotating base is driven to rotate so that the seedlings on each surface of the rotating seedling rack correspond to the direction of the seedling supplementing device, if one rotation has been completed, the electric lifting column is driven to descend by two layers of interval height so that the height of the upper seedling corresponds to the height of the seedling supplementing device, and the position of the upper seedling is detected through the third photoelectric sensor;

[0017] Seedling leveling: the electric telescopic rod of the corresponding support unit is driven to extend, and the seedling limiting frame is driven to change from vertical inclination to horizontal, so that the seedling changes from vertical inclination to horizontal placement;

[0018] Seedling taking: the electric rotating base is driven to move close to the rotating seedling rack through the electric guide rail, the seedling taking rod is driven to move forward and gradually rise along the track through the motor driving the first gear, the seedling on the seedling limiting frame is lifted, and then the rotating column is rotated by 30°, and the seedling taking rack is driven to descend and move backward through the motor driving the first gear;

[0019] Seedling supplementing: the electric rotating base is driven to move to the position of the seedling supplementing device track through the electric guide rail, the seedling is aligned with the seedling supplementing device track through the rotation of the electric rotating base by 90°, the seedling taking rod is driven to move backward along the gear track through the motor driving the first gear, and the roller moves upward along the wheel track, so that the seedling taking rod is tilted backward and turned over, and the seedling is slid into the seedling supplementing device track, and the seedling supplementing is completed.

[0020] The rotating automatic seedling supplementing device has the advantages of simple structure, large storage capacity, convenient operation, etc., can effectively improve the efficiency of seedling supplementing, and greatly saves the labor force. Meanwhile, the device is suitable for seedling trays of various sizes, has strong adaptability, and is an ideal agricultural automation equipment.

[0021] The technical scheme provided by the embodiments of the present application can have the following beneficial effects:

[0022] From the above embodiments, the present application adopts a rotating lifting and staggered stacking type seedling tray storage mode, which converts horizontal space storage into vertical storage space, overcomes the problem of small storage capacity and inconvenience of taking and placing of the traditional horizontal seedling tray storage, improves the storage capacity while ensuring the convenience of taking seedlings. The tray taking device adopts a combination of tooth track and wheel track, which enables the device to simultaneously realize short-distance moving lifting and turning to take and replace trays, solves the problem of large space occupation of the traditional tray replacement device, and realizes fast and efficient tray taking and replacing operation. The photoelectric detection method is used to detect the use and storage of the seedling tray, which solves the problem of manual observation and replacement of seedling trays, improves the efficiency of transplanting operation, and reduces manual labor.

[0023] The device is suitable for automatic seedling tray replacement work in transplanting, which can effectively improve the efficiency of transplanting, reduce manual labor, and improve the intelligence of the transplanting equipment.

[0024] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit the present application. BRIEF DESCRIPTION OF DRAWINGS

[0025] The accompanying drawings incorporated in the specification and forming a part thereof illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.

[0026] Figure 1 is a perspective structural schematic diagram of the rotating automatic seedling tray replacement device shown in the embodiment of the present application (with seedling trays).

[0027] Figure 2 is a perspective structural schematic diagram of the rotating automatic seedling tray replacement device shown in the embodiment of the present application (without seedling trays).

[0028] Figure 3 is a perspective structural schematic diagram of the bracket unit.

[0029] Figure 4 is a schematic diagram of the tray taking device.

[0030] Figure 5 is a left view of the tray taking device.

[0031] Figure 6 is a schematic diagram of the first connecting rod structure.

[0032] Figure 7 is a schematic diagram of the second connecting rod structure.

[0033] Figure 8 is a schematic diagram of the tray taking rod in the raised state.

[0034] Figure 9 is a schematic diagram of the tray taking rod in the translation state.

[0035] Figure 10 is a schematic view of a tray taking lever in a flipped state.

[0036] In the drawings, reference signs have the following meanings:

[0037] 100, rotating seedling tray frame; 110, electric rotating base; 120, electric lifting column; 121, column base; 122, limiting column; 130, support unit; 131, bottom rod; 132, connecting rod; 133, seedling tray limiting rod; 134, electric telescopic rod; 140, limiting ring; 150, limiting groove;

[0038] 200, tray taking device; 210, tray taking lever; 211, first gear; 212, first connecting rod; 213, first roller; 214, roller; 215, second connecting rod; 216, second roller; 217, second gear; 218, motor; 219, wheel track; 220, tooth track; 221, electric guide slide rail; 222, electric rotating base; 223, first guide groove; 224, second guide groove; 225, first support leg; 226, second support leg;

[0039] 300, support frame; 310, tray feeding frame;

[0040] 410, first photoelectric sensor; 420, second photoelectric sensor; 430, third photoelectric sensor;

[0041] 500, seedling tray. DETAILED DESCRIPTION

[0042] The exemplary embodiments will be described in detail herein with reference to the attached drawings. In the following description, the same numbers are used to indicate the same or similar components. The following exemplary embodiments are not intended to represent all embodiments in accordance with the present application. Rather, they are merely examples of apparatus and methods in accordance with aspects of the present application as detailed in the appended claims.

[0043] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0044] It should be understood that, although the terms first, second, third, etc. can be employed in this application to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one piece of information from another piece of information. For example, without departing from the scope of the application, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as the first information. Depending on the context, the word "if" as used herein can be interpreted as "when" or "upon determining" or "in response to determining".

[0045] As shown in Figures 1-7 The present application provides a rotating automatic seedling replacing tray device, which comprises a rotating seedling tray rack 100, a tray taking device 200, and a support frame 300, wherein:

[0046] The support frame 300 can comprise a support frame and a tray feeding frame 310 installed on the support frame, and the tray taking device is arranged on the support frame and located at the entrance of the tray feeding frame 310.

[0047] The rotating seedling tray rack 100 comprises an electric rotating base plate 110, an electric lifting column 120, a limiting ring 140, and a support unit 130. The electric lifting column 120 is fixed on the electric rotating base plate 110, the limiting column 122 is provided with a limiting groove in the axial direction, and at least two limiting rings 140 are installed in the limiting groove. A plurality of support units 130 are installed on the side surface of each limiting ring 140, and the support units 130 are used to place seedling trays 500. The rotating seedling tray rack 100 can be lifted by the electric lifting column 120 and rotated by the electric rotating base plate 110, so that each layer and each surface of the seedling trays of the rotating seedling tray rack 100 correspond to the tray taking device 200. In the case of limited space, the position of the rotating seedling tray rack can be flexibly adjusted, and the tray taking is convenient and reliable.

[0048] In an embodiment, the limiting ring 140 is connected with six support units 130, and there are three limiting rings 140. The support units 130 on each limiting ring 140 are arranged in staggered layers, which can effectively save storage space, improve the storage capacity of seedling trays, and adjust the number of stacked layers according to actual needs.

[0049] In an embodiment, the support unit 130 comprises a bottom rod 131, a seedling tray limiting rod 133, an electric telescopic rod 134 and a connecting rod 132, two ends of the connecting rod 132 are respectively pivotally connected with the middle end of the bottom rod 131 and the wide end of the seedling tray limiting rod 133, the electric telescopic rod 134 is telescopically installed in the bottom rod 131, the electric telescopic rod 134 can telescopically move along the bottom rod 131, and the outer end of the electric telescopic rod 134 is pivotally connected with the narrow end of the seedling tray limiting rod 133. Each of the support units 130 adjusts the angle of the seedling tray through the movement of the electric telescopic rod 134, when the seedling tray is stored, the electric telescopic rod 134 is kept in a retracted state, and the seedling tray is in a vertical inclined state, so that the storage space can be saved; when the seedling tray is needed to be taken out, the electric telescopic rod 134 is extended, and the seedling tray becomes horizontal, so that the seedling tray is conveniently and stably taken out.

[0050] The seedling tray taking device 200 comprises a seedling tray taking rod 210, an electric rotating base 222, an electric guide slide rail 221, a first gear 211, a roller 214, a first connecting rod 212, a second connecting rod 215, a first roller 213, a second roller 216, a toothed track 220, a wheel track 219, a motor 218 and a second gear 217, the electric guide slide rail 221 is fixed on the support frame 300, the electric rotating base 222 is carried on the electric guide slide rail 221, the toothed track 220 and the wheel track 219 are fixed on the electric rotating base 222, the upper surface of the toothed track 220 has a rack formed by a horizontal section and an inclined section, and a first guide groove 223 parallel to the rack is arranged in the middle part; the upper surface of the wheel track has a U-shaped guide surface formed by a first inclined section, a horizontal section and a second inclined section in sequence, and a second guide groove 224 parallel to the U-shaped guide surface is arranged in the middle part; the motor 218 is fixed on a first supporting leg at the rear end of the seedling tray taking rod 210, the first gear 211 is installed on the output shaft of the motor 218, the second gear 217 is pivotally connected with the first supporting leg 225 at the rear end of the seedling tray taking rod 210, the first gear 211, the second gear 217 and the rack are in transmission in sequence, one end of the first connecting rod 212 is pivotally connected with the first supporting leg 225 at the rear end of the seedling tray taking rod 210, and the other end is provided with the first roller, the first roller is arranged in the first guide groove and can roll along the first guide groove; one end of the second connecting rod 215 is pivotally connected with a second supporting leg 226 at the rear end of the seedling tray taking rod 210, and the other end is provided with the second roller, the second roller is arranged in the second guide groove and can roll along the second guide groove; the roller 214 is pivotally connected with the second supporting leg at the rear end of the seedling tray taking rod 210, and the roller 214 abuts against the guide surface.

[0051] The motor 218 drives the first gear 211 to rotate, and then drives the second gear 217 to rotate in turn, the second gear 217 is in meshing transmission with the rack, and reversely pushes the tray taking rod 210 to move, under the constraint of the first guide groove and the second guide groove in which the first roller 213 and the second roller 216 slide respectively and the guide surface on which the roller 214 rolls, the tray taking rod 210 can realize lifting, translation and overturning movement, and realizes the operations of taking seedling tray and replenishing seedling tray. In addition, the position of the seedling tray can be adjusted through the electric rotating base 222 and the electric guide sliding rail 221.

[0052] The electric guide sliding rail 221 can adopt a screw sliding block mechanism and is driven by a motor.

[0053] Reference Figures 8-10 The motor 218 drives the tray taking rod 210 to move forward along the guide groove, can realize the forward movement and lifting of the tray taking rod 210, realizes the operation of taking tray, and drives the tray taking rod 210 to move backward along the track through the motor 218, can realize the backward movement of the tray taking rod, and can make the tray taking rod overturn backward with the lifting of the roller 214, realizes the operation of placing tray.

[0054] The seedling taking device 200 adopts the combination of the rack track 220 and the wheel track 219, so that the device can realize the movement, lifting, taking and overturning operations of the seedling tray in a short distance, solves the problem of large space occupation of the traditional seedling replenishing device, and realizes the fast and efficient operations of taking and replenishing seedling tray. The seedling taking device 200 can realize the adjustment of the position of the seedling tray through the electric rotating base 222 and the sliding rail, and can complete the operation of replenishing seedling tray for multiple rows of transplanting machines.

[0055] In an embodiment, the electric rotating base and the electric rotating base plate are similar in structure, and can each include a driving motor, a pinion, a rotating platform, a bearing and a fixed base, the rotating platform is connected with the fixed base through the bearing, the pinion is connected with the motor, the pinion is in meshing transmission with an internal gear on the rotating platform, and the rotation of the rotating platform is realized by driving the pinion to rotate through the driving motor.

[0056] In an embodiment, in order to realize automation, a single-chip microcomputer and a detection part are further included, the detection part is electrically connected with the single-chip microcomputer, the detection part includes a first photoelectric sensor 410, a second photoelectric sensor 420 and a third photoelectric sensor 430, the first photoelectric sensor 410 and the second photoelectric sensor 420 are fixed on the side of the seedling tray feeding frame 310 and are used for detecting the position of the seedling tray in use, which can ensure the recognition accuracy and avoid the trouble of manually checking the use of the seedling tray; the third photoelectric sensor 430 is fixed on the side of the bracket and can be used for detecting the position of the seedling tray of the rotary seedling tray frame 100; the motor 218, the electric rotating base plate 110, the electric rotating base 222, the electric lifting column 120, the electric telescopic rod 134 and the electric guide sliding rail 221 are electrically connected with the single-chip microcomputer respectively.

[0057] The embodiment of the present application also provides a control method of the rotary automatic seedling supplementing tray device, comprising the following steps:

[0058] Supplementing tray detection: the positions of the seedling trays in the seedling tray rack are detected by the first photoelectric sensor 410 and the second photoelectric sensor 420 to determine whether the seedling trays need to be supplemented; that is, when the first photoelectric sensor 410 and the second photoelectric sensor 420 do not detect signals at the same time, it is indicated that the seedling trays in use are about to be exhausted, and the supplementing operation is performed. If the third photoelectric sensor 430 has a signal, it is indicated that the seedling trays are on the rack, and the operation is continuously performed.

[0059] Seedling tray position adjustment: the position of the seedling tray on the rotary seedling tray rack 100 is detected by the third photoelectric sensor 430, and the electric rotary base is driven to rotate to make the seedling trays on each face of the rotary seedling tray rack 100 correspond to the direction of the tray taking device. If one rotation has been completed, the electric lifting column is driven to descend by two layers of interval height to make the height of the upper seedling tray correspond to the height of the tray taking device (a fixed descending height can be set), and the position of the upper seedling tray is detected by the third photoelectric sensor;

[0060] Seedling tray leveling: the electric telescopic rod 134 of the corresponding support unit 130 is driven to extend to drive the seedling tray limiting frame to change from vertical inclination to horizontal, so that the seedling tray changes from vertical inclination to horizontal placement;

[0061] Tray taking: the electric rotary base 222 is driven by the electric guide rail 221 to move close to the rotary seedling tray rack, the motor 218 drives the first gear 211 to move the tray taking rod 210 forward and make the tray taking rod 210 gradually rise along the track, and after the seedling tray on the seedling tray limiting frame is lifted, the rotating column is rotated by 30°, and at the same time, the motor 218 drives the first gear 211 to make the tray taking device descend and move backward;

[0062] Tray supplementing: the electric rotary base 222 is moved to the position of the tray taking rack track where the tray supplementing is needed by the electric guide rail 221, the electric rotary base 110 is rotated by 90° to make the narrow end of the seedling tray align with the track of the tray taking rack 310, the motor 218 drives the first gear to drive the tray taking rod 210 to move backward along the gear track 220, and at the same time, the roller 214 moves upward along the wheel track 219, so that the tray taking rod 210 is tilted backward to flip, and the seedling tray is slid into the track of the tray taking rack 310, and the tray supplementing is completed.

[0063] The present application has strong stability and reliability, and has the following advantages:

[0064] 1) Compared with the general seedling placing rack, the present application adopts the inclined staggered layer stacking, can store more seedling trays, and saves space.

[0065] 2) The rotary seedling tray rack can adjust the position of the seedling tray rack through rotation and lifting, and the seedling tray operation is convenient.

[0066] 3) The rotating seedling tray frame adopts a column type, occupies less space at the bottom, and can be applied to various small transplanters, with good adaptability.

[0067] 4) The detection control system can automatically supplement the seedling tray by judging the use of the seedling tray, which can improve the transplanting efficiency and reduce labor.

[0068] 5) The tray taking device can realize short-distance moving, lifting, taking and turning over, and has small space occupation and high precision and efficiency.

[0069] Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. It is intended that the specification and examples be considered as exemplary only, with the true scope and spirit of the application being indicated by the following claims.

[0070] It should be understood that the application is not limited to the precise construction that has been described above and shown in the accompanying drawings, and that various modifications and changes can be made by those skilled in the art without departing from the scope of the application. The scope of the application is limited only by the appended claims.

Claims

1. A rotary automatic replanting tray device, characterized by, The utility model relates to a seedling tray device, including: Support frame; Rotary seedling tray frame, the rotary seedling tray frame includes motorized rotary base, motorized lifting column, limit ring and support unit, the motorized lifting column is fixed on motorized rotary base, the limit post is opened the limit slot along the axial direction, at least two limit rings are installed in the limit slot, the support unit is used for placing seedling tray and is installed in each limit ring side face a plurality of support units, Take tray device, the take tray device includes take tray rod, motorized rotary base, motorized guide slide rail, first gear, gyro wheel, first connecting rod, second connecting rod, first roller, second roller, tooth track, wheel track, motor, second gear, the motorized guide slide rail is fixed on the support frame, the motorized rotary base is carried on the motorized guide slide rail, the tooth track and wheel track are fixed on motorized rotary base, the tooth track upper surface has the rack that is connected from horizontal section and inclined section, and the middle part has first guide groove that is parallel with the rack, the upper surface of wheel track has U guide surface that is connected from first inclined section, horizontal section and second inclined section in proper order, and the middle part has second guide groove that is parallel with U guide surface, the motor is fixed on the first support leg of take tray rod rear end, the first gear is installed on the output shaft of motor, the second gear is pivoted on the first support leg of take tray rod rear end, the first gear, second gear and rack are in mesh transmission in proper order, one end of first connecting rod is pivoted on the first support leg of take tray rod rear end, and the other end installs first roller, and the first roller is arranged in first guide groove and can roll along first guide groove, one end of second connecting rod is pivoted on the second support leg of take tray rod rear end, and the other end installs second roller, and the second roller is arranged in second guide groove and can roll along second guide groove, the gyro wheel is pivoted on the second support leg of take tray rod rear end, and the gyro wheel is in abutment with guide surface.

2. The rotating automatic replacer device according to claim 1, wherein, The limit ring is connected with six support units, and the limit ring has three, the support units on each limit ring are staggered and stacked.

3. The rotating automatic replacer device according to claim 1, wherein, The support unit includes a bottom rod, a seedling tray limiting rod, a motorized telescopic rod, and a connecting rod, the connecting rod is pivoted at both ends to the middle end of the bottom rod and the wide end of the seedling tray limiting rod, the motorized telescopic rod is telescopically installed in the bottom rod, the motorized telescopic rod can telescopically move along the bottom rod, and the outer end of the motorized telescopic rod is pivoted to the narrow end of the seedling tray limiting rod.

4. The rotating automatic replacer device according to claim 3, wherein, The support frame includes a support and a tray feeding frame mounted on the support, the tray taking device is arranged on the support and located at the entrance of the tray feeding frame.

5. A rotating automatic replacer device according to claim 4, characterized in that, It also includes a single-chip microcomputer and a detection part, the detection part is electrically connected to the single-chip microcomputer, the detection part includes a first photoelectric sensor, a second photoelectric sensor, and a third photoelectric sensor, the first photoelectric sensor and the second photoelectric sensor are fixed on the side of the tray feeding frame to detect the position of the seedling tray in use, and the third photoelectric sensor is fixed on the side of the support to detect the position of the seedling tray of the rotary seedling tray frame. The motor, the motorized rotary base, the motorized rotary base, the motorized lifting column, the motorized telescopic rod, and the motorized guide slide rail are electrically connected to the single-chip microcomputer.

6. The rotating automatic replacer device of claim 1, wherein, The electric rotating base comprises a driving motor, a pinion, a rotating platform, a bearing and a fixed base, the rotating platform is connected with the fixed base through the bearing, the pinion is connected with the motor, the pinion is engaged with an internal gear on the rotating platform, and rotation of the rotating platform is realized by driving the pinion to rotate through the driving motor.

7. The control method of a rotary automatic replanting disc device according to claim 5, characterized in that, The method comprises the following steps: Supplementing seedling tray: detecting the position of the seedling tray in the seedling tray rack through the first and second photoelectric sensors to determine whether the seedling tray needs to be supplemented; Adjusting the position of the seedling tray: detecting the position of the seedling tray on the rotating seedling tray rack through the third photoelectric sensor, and driving the electric rotating base to rotate so that the seedling trays on each surface of the rotating seedling tray rack correspond to the direction of the tray taking device, if the rotating seedling tray rack has rotated one round, then driving the electric lifting column to descend by two layers of interval height so that the height of the upper seedling tray corresponds to the height of the tray taking device, and detecting the position of the upper seedling tray through the third photoelectric sensor; Leveling the seedling tray: driving the corresponding electric telescopic rod to extend, and driving the seedling tray limiting frame to change from vertical inclination to horizontal, so that the seedling tray changes from vertical inclination to horizontal placement; Taking the seedling tray: driving the electric rotating base to move close to the rotating seedling tray rack through the electric guide slide rail, driving the first gear to move the seedling tray rod forward and gradually upward along the track, rotating the seedling tray rod by 30° after lifting the seedling tray limiting frame, and driving the first gear to move the seedling tray rack downward and backward at the same time; Supplementing the seedling tray: driving the electric rotating base to move to the position of the seedling tray rack track where the seedling tray needs to be supplemented through the electric guide slide rail, rotating the electric rotating base by 90° so that the narrow end of the seedling tray aligns with the seedling tray rack track, driving the first gear to move the seedling tray rod backward along the gear track, and driving the roller to move upward along the wheel track at the same time, so that the seedling tray rod is tilted backward and turned over, and the seedling tray is slid into the seedling tray rack track, and the supplementing of the seedling tray is completed.

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