Plug intelligent roller reseeding equipment and reseeding method

Abstract

The invention relates to the technical field of agricultural machinery, and provides intelligent plug drum reseeding equipment and reseeding method, and the intelligent plug drum reseeding equipment comprises a shooting device, a reseeding device and a control device. The shooting device is arranged above the conveying belt. The reseeding device comprises a seed supply groove, a roller assembly and a cleaning assembly. The roller assembly is rotatably arranged above the conveying belt, and a plurality of seed suction holes are formed in the roller assembly. And a feeding port of the seed supply groove faces the roller assembly. The cleaning assembly is arranged towards the roller assembly. The control device is electrically connected with the shooting device, the roller assembly and the cleaning assembly. According to the intelligent drum reseeding equipment for the plug tray, the control device recognizes the positions of the seeding holes needing reseeding based on an image and controls the drum assembly to rotate, so that the seed suction holes suck seeds through the feeding port, and partial seeds in the seed suction holes are cleaned according to the seeding holes needing reseeding; when rotating to the lower part, the seed suction holes can be aligned with the corresponding seeding holes and release seeds, so that continuous reseeding is completed.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural machinery, and in particular to a plug tray intelligent roller replanting device and a replanting method. Background Art

[0002] Plug tray seedling cultivation is an important part of greenhouse vegetable production. As an efficient technology for cultivating high-quality seedlings, it can achieve seedling conservation and large-scale production, and has the advantages of good cultivation effect and seed saving. Plug tray seedling cultivation specifically includes spreading soil, making holes, sowing, covering soil, sprinkling water and other steps. The sowing effect directly affects the subsequent planting production efficiency and quality. In the actual sowing process, the plug tray seeder may cause a small number of hole holes to be missed due to various reasons such as mechanical vibration and changes in the air pressure of the seed roller. In the case of missed hole holes in the plug tray, the existing reseeding equipment has low reseeding efficiency and it is difficult to achieve continuous reseeding. Summary of the invention

[0003] The present invention provides a plug tray intelligent roller replanting device and a replanting method, which are used to solve the defects of the replanting equipment in the prior art that the replanting efficiency is low and it is difficult to achieve continuous replanting.

[0004] In a first aspect, the present invention provides a plug tray intelligent roller reseeding device, comprising: A photographing device is configured to be disposed above the conveyor belt, and the photographing device is used to photograph images of the cell trays on the conveyor belt; A reseeding device, comprising a seed supply trough, a roller assembly and a cleaning assembly, wherein the photographing device and the reseeding device are arranged in sequence along the conveying direction of the conveyor belt; the roller assembly is configured to be rotatably arranged above the conveyor belt, and the roller assembly is provided with a plurality of seed suction holes, and the plurality of seed suction holes are configured to be arranged corresponding to the sowing holes on the plug tray; the seed supply trough is used to hold seeds, and the feeding port of the seed supply trough is arranged toward the roller assembly; the seed suction holes are used to absorb seeds in the seed supply trough, and release seeds to the sowing holes when aligned with the corresponding sowing holes; the cleaning assembly is arranged toward the roller assembly, and the cleaning assembly is used to selectively clean out seeds in part of the seed suction holes; A control device is electrically connected to the photographing device, the roller assembly and the cleaning assembly; the control device is used to determine the position of the sowing hole to be replanted on the hole tray based on the image of the hole tray, and control the cleaning assembly to selectively clean the seeds in the seed suction hole based on the position of the sowing hole to be replanted, and control the roller assembly to rotate so that the seed suction hole is aligned with the corresponding unplanted sowing hole for replanting.

[0005] According to the plug tray intelligent roller replanting equipment of the present invention, the roller assembly includes a bracket, a drive assembly, a cylinder body and a positive pressure mechanism; The bracket is configured to be arranged on one side of the conveyor belt, and the cylinder is rotatably arranged on the bracket; an inner cavity connected to the plurality of seed suction holes is arranged in the cylinder, and the inner cavity is set at a negative pressure. The positive pressure mechanism is arranged in the inner cavity, and a positive pressure cavity is formed in the positive pressure mechanism, and a positive pressure opening is arranged at the bottom of the positive pressure cavity, and the positive pressure opening is arranged toward the bottom of the inner cavity; The driving assembly is arranged on the bracket, the driving assembly is drivingly connected to the cylinder, and the driving assembly is electrically connected to the control device.

[0006] According to the plug tray intelligent roller reseeding equipment of the present invention, a plurality of groups of seed suction holes are provided on the outer peripheral wall of the cylinder body, and the plurality of groups of seed suction holes are arranged at intervals along the circumference of the roller; and the plurality of seed suction holes in the same group are arranged at intervals along the axial direction of the roller.

[0007] According to the plug tray intelligent roller reseeding device of the present invention, the cleaning assembly includes a plurality of seed brushes and a first driving member arranged in one-to-one correspondence with the seed brushes; A plurality of seed brushes can be movably arranged on the bracket, and the plurality of seed brushes are arranged one-to-one correspondingly to each group of the plurality of seed suction holes on the cylinder; a plurality of the first driving members are arranged on the bracket, and each of the first driving members is drivingly connected to the corresponding seed brush, and each of the first driving members is used to drive the corresponding seed brush to move so as to contact the outer peripheral wall of the cylinder or to detach from the outer peripheral wall of the cylinder; Each of the first driving members is electrically connected to the control device.

[0008] According to the plug tray intelligent roller reseeding device of the present invention, the driving assembly includes a second driving member, a rotation sensor and a first position sensor; The first position sensor and the cylinder are configured to be arranged in sequence along the conveying direction of the conveyor belt, and the first position sensor is used to detect the position of the plug tray; The rotation sensor is arranged on the cylinder, and the rotation sensor is used to detect the rotation angle of the cylinder; The second driving member, the rotation sensor and the first position sensor are all electrically connected to the control device, and the control device is used to control the rotation of the cylinder based on information fed back by the first position sensor and the rotation sensor.

[0009] The plug tray intelligent roller seeding device according to the present invention also includes a seed collection groove, wherein the seed supply groove and the seed collection groove are arranged in sequence along the rotation direction of the cylinder, and the edge of the receiving port of the seed collection groove contacts the outer peripheral wall of the cylinder.

[0010] The plug tray intelligent roller seeding device according to the present invention further includes an oscillation mechanism, through which the seed supply trough is connected to the bracket, and the oscillation mechanism is used to drive the seed supply trough to reciprocate along the axial direction of the cylinder.

[0011] According to the plug tray intelligent roller reseeding device of the present invention, the shooting device includes a camera and a second position sensor; The camera is configured to be arranged above the transmission belt; the second position sensor is arranged between the camera and the replanting device; the camera and the second position sensor are both electrically connected to the control device; The control device is used to control the camera shooting based on the information fed back by the second position sensor.

[0012] In a second aspect, the present invention further provides a replanting method of the plug tray intelligent roller replanting device as described in any one of the above items, characterized in that it comprises: Taking a picture of the plug tray on the conveyor belt, and determining the position of the sowing hole on the plug tray that needs to be replanted according to the photographed image; Control the roller assembly to rotate so that the seed suction holes absorb the seeds in the seed supply slot, and control the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be replanted; The drum assembly is controlled to continue rotating, so that the seed suction holes with seeds adsorbed thereon are aligned with the corresponding unsown sowing holes in sequence and the seeds are released.

[0013] According to the replanting method of the plug tray intelligent roller replanting device of the present invention, before the step of controlling the roller assembly to rotate so that the seed suction hole absorbs the seeds in the seed supply slot, and controlling the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be replanted, the method includes: Controlling the roller assembly to rotate to an initial position; Detecting the distance between the hole tray and the position directly below the roller assembly, and controlling the roller assembly to rotate when the distance is shortened to a preset distance; The preset distance is determined according to the conveying speed of the conveyor belt, the position of the seed suction hole of the roller assembly and the rotation speed of the roller assembly.

[0014] The intelligent roller reseeding device for the hole tray of the present invention sequentially arranges a shooting device and a reseeding device along the conveying direction of the conveyor belt, the shooting device can shoot the hole tray passing by and send the obtained image to the control device, the control device recognizes the position of the sowing hole to be reseeded based on the image, and controls the roller assembly of the reseeding device to rotate, so that the seed suction holes on the roller assembly pass through the feeding port of the seed supply trough to absorb the seeds, after the seed suction holes absorb the seeds, the control device controls the cleaning assembly to clean the seeds in some of the seed suction holes according to the positions of the sowing holes to be reseeded, after the cleaning is completed, only the seed suction holes corresponding to the sowing holes to be reseeded are adsorbed with seeds, and the roller assembly is rotated with the movement of the hole tray, so that the seed suction holes can be just aligned with the corresponding sowing holes when they turn to the bottom and release the seeds, to complete continuous reseeding with high reseeding efficiency, and effectively solves the problem of low reseeding efficiency and difficulty in achieving continuous reseeding of reseeding equipment in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is one of the schematic diagrams of the plug tray intelligent roller reseeding device provided in an embodiment of the present invention.

[0017] Figure 2 It is one of the schematic diagrams of the seed supply trough, the roller assembly, the cleaning assembly, the seed collection trough and the oscillation mechanism provided in the embodiment of the present invention.

[0018] Figure 3 This is the second schematic diagram of the seed supply trough, roller assembly, cleaning assembly, seed collection trough and oscillation mechanism provided in the embodiment of the present invention.

[0019] Figure 4 This is the second schematic diagram of the plug tray intelligent roller reseeding device provided in an embodiment of the present invention.

[0020] Figure 5 This is the third schematic diagram of the plug tray intelligent roller reseeding device provided in an embodiment of the present invention.

[0021] Figure 6 It is one of the flow diagrams of the replanting method of the plug tray intelligent roller replanting device provided in an embodiment of the present invention.

[0022] Figure 7 This is the second flow chart of the replanting method of the plug tray intelligent roller replanting device provided in the embodiment of the present invention.

[0023] Reference numerals: 1. photographing device; 11. camera; 12. second position sensor; 2. Reseeding device; 21. Seed supply slot; 22. Roller assembly; 221. Seed suction hole; 222. Bracket; 223. Cylinder body; 224. Positive pressure mechanism; 225. Rotation sensor; 226. First position sensor; 23. Cleaning assembly; 231. Seed brush; 232. First driving member; 3. Control device; 4. Seed collecting tank; 5. Oscillation mechanism; 100. Conveyor belt; 200. Plug tray. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are 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.

[0025] Combine the following Figure 1-Figure 5 The plug tray intelligent roller reseeding device of the present invention is described.

[0026] like Figures 1 to 5 As shown, the present invention provides a plug tray intelligent roller reseeding device, comprising: a shooting device 1, a reseeding device 2 and a control device 3. The shooting device 1 is configured to be arranged above the conveyor belt 100, and the shooting device 1 is used to shoot the image of the plug tray 200 on the conveyor belt 100. The reseeding device 2 includes a seed supply slot 21, a roller assembly 22 and a cleaning assembly 23, and the shooting device 1 and the reseeding device 2 are configured to be arranged in sequence along the conveying direction of the conveyor belt 100. The roller assembly 22 is configured to be rotatably arranged above the conveyor belt 100, and the roller assembly 22 is provided with a plurality of seed suction holes 221, and the plurality of seed suction holes 221 are configured to be arranged corresponding to the sowing holes on the plug tray 200. The seed supply slot 21 is used to hold seeds, and the feeding port of the seed supply slot 21 is arranged toward the roller assembly 22. The seed suction holes 221 are used to absorb the seeds in the seed supply slot 21, and release the seeds to the sowing holes when aligned with the corresponding sowing holes. The cleaning assembly 23 is arranged toward the roller assembly 22, and the cleaning assembly 23 is used to selectively clean out the seeds in some of the seed suction holes 221. The control device 3 is electrically connected to the shooting device 1, the roller assembly 22, and the cleaning assembly 23. The control device 3 is used to determine the position of the sowing hole to be replanted on the plug tray 200 based on the image of the plug tray 200, and control the cleaning assembly 23 to selectively clean out the seeds in the seed suction hole 221 based on the position of the sowing hole to be replanted, and control the roller assembly 22 to rotate so that the seed suction hole 221 is aligned with the corresponding unplanted sowing hole for replanting.

[0027] It is understandable that the plug tray 200 for raising seedlings is usually provided with a plurality of sowing holes arranged in an array (such as a square array), and each sowing hole is used to plant a seed.

[0028] In this embodiment, the photographing device 1 and the reseeding device 2 are arranged along the conveying direction of the conveyor belt 100 (eg Figure 1 , Figure 4 and Figure 5 ) are arranged in sequence, so that the plug tray 200 on the conveyor belt 100 can pass through the shooting device 1 and the reseeding device 2 in sequence. When the plug tray 200 passes through the shooting device 1, the shooting device 1 is used to shoot the plug tray 200 to obtain an image of the plug tray 200. The shooting device 1 is connected to the control device 3. The shooting device 1 sends the image of the plug tray 200 to the control device 3. The control device 3 can process the image of the plug tray 200, that is, recognize it, and determine the position of the sowing hole without seeds on the plug tray 200.

[0029] The reseeding device 2 includes a seed supply trough 21, a roller assembly 22 and a cleaning assembly 23. The seed supply trough 21 is used to hold seeds and supply seeds to the roller assembly 22 through a feeding port. The roller assembly 22 can rotate under the control of the control device 3. When the seed suction hole 221 of the roller assembly 22 passes through the feeding port, the air pressure inside the seed suction hole 221 can be adjusted to make the seed suction hole 221 absorb seeds.

[0030] At the same time, by setting the cleaning component 23, the cleaning component 23 can selectively clean the seeds in the seed suction holes 221 under the control of the control device 3. Specifically, after determining the positions of the sowing holes to be replanted on the plug tray 200, the control device 3 can determine the seed suction holes 221 corresponding to these sowing holes, and after the other seed suction holes 221 absorb the seeds, control the cleaning component 23 to clean the seeds in the other seed suction holes 221. In the subsequent replanting process, only the seed suction holes 221 corresponding to the sowing holes to be replanted have seeds, and the other seed suction holes 221 are empty, so that the sowing holes to be replanted can be replanted, and the sowing holes that already have seeds will not be repeatedly sown.

[0031] It is understandable that the arrangement position of the seed suction holes 221 can be set according to the arrangement position of the sowing holes on the plug tray 200, and one seed suction hole 221 can be used to correspond to one sowing hole or to multiple sowing holes.

[0032] Specifically, when the seed suction hole 221 and the sowing hole are set in a one-to-one correspondence, by reasonably controlling the rotation speed of the roller assembly 22 and the transmission speed of the conveyor belt 100, when the seed suction hole 221 rotates to the bottom of the roller assembly 22, the corresponding sowing hole also arrives at the corresponding replanting position. At this time, the seeds in the seed suction hole 221 can be released by adjusting the air pressure inside the seed suction hole 221, so that the seeds fall into the sowing hole to complete the replanting; or, the seed suction hole 221 can also correspond to multiple sowing holes at the same time, by reasonably controlling the rotation speed of the roller assembly 22 and the transmission speed of the conveyor belt 100, when When the seed suction hole 221 passes through the feed port for the first time and rotates to the bottom of the roller assembly 22, the first sowing hole corresponding to the seed suction hole 221 reaches the corresponding reseeding position. After the reseeding is completed, the roller assembly 22 continues to rotate. When the next sowing hole corresponding to the seed suction hole 221 reaches the reseeding position, the seed suction hole 221 has rotated one circle with the roller assembly 22 and sucked the seeds to reseed the sowing hole. This cycle is repeated until the reseeding of all the sowing holes corresponding to the seed suction hole 221 is completed, thereby realizing continuous reseeding of the hole tray 200 with higher reseeding efficiency.

[0033] The intelligent roller seeding device for the hole tray of the present invention sequentially arranges a shooting device 1 and a seeding device 2 along the conveying direction of the conveyor belt 100. The shooting device 1 can shoot the hole tray 200 passing by and send the obtained image to the control device 3. The control device 3 recognizes the position of the sowing hole to be replanted based on the image, and controls the roller assembly 22 of the seeding device 2 to rotate, so that the seed suction holes 221 on the roller assembly 22 pass through the feeding port of the seed supply groove 21 to absorb seeds. After the seed suction holes 221 absorb the seeds, the control device 3 controls the cleaning component 23 to clean the seeds in some of the seed suction holes 221 according to the positions of the sowing holes to be replanted. After the cleaning is completed, only the seed suction holes 221 corresponding to the sowing holes to be replanted have seeds adsorbed therein, and the roller assembly 22 is rotated with the movement of the hole tray 200, so that the seed suction holes 221 can be exactly aligned with the corresponding sowing holes when they turn to the bottom and release the seeds, thereby completing continuous seeding with high seeding efficiency, and effectively solving the problem of low seeding efficiency and difficulty in achieving continuous seeding in the prior art seeding equipment.

[0034] Specifically, in some embodiments, Figure 1 , Figure 2 and Figure 3As shown, the roller assembly 22 includes a bracket 222, a drive assembly, a cylinder 223 and a positive pressure mechanism 224. The bracket 222 is configured to be arranged on one side of the conveyor belt 100, and the cylinder 223 is rotatably arranged on the bracket 222. The cylinder 223 is provided with an inner cavity connected to the plurality of seed suction holes 221, and the inner cavity is set at a negative pressure. The positive pressure mechanism 224 is arranged in the inner cavity, and a positive pressure cavity is formed in the positive pressure mechanism 224. The bottom of the positive pressure cavity is provided with a positive pressure opening, and the positive pressure opening is arranged toward the bottom of the inner cavity. The drive assembly is arranged on the bracket 222, and the drive assembly is transmission-connected to the cylinder 223, and the drive assembly is electrically connected to the control device 3.

[0035] In this embodiment, the bracket 222 is disposed on one side of the conveyor belt 100 to support and fix other structures. The cylinder 223 is rotatably disposed on the bracket 222, and the driving assembly is disposed on the bracket 222 and is transmission-connected with the cylinder 223 to drive the cylinder 223 to rotate. By providing an inner cavity with negative pressure in the cylinder 223, the inner cavity is connected to the seed suction hole 221, and when the seed suction hole 221 passes through the feeding port of the seed supply slot 21, the seeds can be sucked into the seed suction hole 221 under the action of the negative pressure. At the same time, by arranging the positive pressure mechanism 224 in the inner cavity, the positive pressure mechanism 224 will not rotate with the rotation of the cylinder 223, and the positive pressure opening of the positive pressure chamber of the positive pressure mechanism 224 always remains arranged toward the bottom of the inner cavity. When the cylinder 223 rotates to make some of the seed suction holes 221 located within the range of the positive pressure opening, the inner side of the seed suction hole 221 is under positive pressure, and the seeds in the seed suction hole 221 fall due to the positive pressure and gravity and fall into the sowing hole below. The structure is simple, convenient and practical.

[0036] Furthermore, in some embodiments, Figure 1 , Figure 2 and Figure 3 As shown, a plurality of seed suction holes 221 are arranged on the outer peripheral wall of the cylinder 223, and the plurality of seed suction holes 221 are arranged at intervals along the circumference of the cylinder 223. The plurality of seed suction holes 221 in the same group are arranged at intervals along the axial direction of the cylinder 223.

[0037] In this embodiment, multiple groups of seed suction holes 221 are arranged at intervals along the circumferential direction on the outer wall of the cylinder 223, and each group of seed suction holes 221 includes multiple seed suction holes 221 arranged at intervals along the axial direction of the cylinder 223. Each group of seed suction holes 221 can be arranged corresponding to a horizontal row of sowing holes in the hole tray 200, and the multiple seed suction holes 221 of the group of seed suction holes 221 can be arranged one by one with the multiple sowing holes in the corresponding horizontal row. In the process of the cylinder 223 rotating with the movement of the hole tray 200, each group of seed suction holes 221 can be aligned with the corresponding horizontal row of sowing holes in turn to carry out reseeding. The structure is simple and easy to control.

[0038] In some embodiments, Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the cleaning assembly 23 includes a plurality of seed brushes 231 and a first driving member 232 corresponding to the seed brushes 231. The plurality of seed brushes 231 can be movably arranged on the bracket 222, and the plurality of seed brushes 231 are arranged corresponding to each group of the plurality of seed suction holes 221 on the cylinder 223; a plurality of first driving members 232 are arranged on the bracket 222, and each first driving member 232 is drivingly connected to the corresponding seed brush 231, and each first driving member 232 is used to drive the corresponding seed brush 231 to move to contact the outer peripheral wall of the cylinder 223 or to detach from the outer peripheral wall of the cylinder 223. Each first driving member 232 is electrically connected to the control device 3.

[0039] In this embodiment, by providing a plurality of seed brushes 231 corresponding to each group of the plurality of seed suction holes 221, each seed brush 231 can be moved under the drive of the corresponding first driving member 232. When the cylinder 223 makes any group of seed suction holes 221 pass through the direction aligned by the seed brush 231, the control device 3 can control part of the first driving members 232 to drive the corresponding seed brush 231 to contact the cylinder 223 and sweep away the seeds in the corresponding seed suction holes 221, and the remaining seed brushes 231 are away from the cylinder 223 to retain the seeds in the corresponding seed suction holes 221 for subsequent replanting. The plurality of seed brushes 231 independently control whether seeds are retained in each seed suction hole 221, which is conducive to accurate replanting.

[0040] In a specific embodiment, Figure 1 , Figure 4 and Figure 5 As shown, the first driving member 232 is a cylinder, and the output shaft of the cylinder is connected to the seed brush 231. The control device 3 can control the cylinder to push the output shaft forward, thereby driving the seed brush 231 to push forward and abut against the cylinder 223, so as to clean the seed suction hole 221 on the cylinder 223; when the control device 3 controls the cylinder to retract the output shaft, it can drive the seed brush 231 away from the cylinder 223.

[0041] In a specific embodiment, Figure 1 , Figure 4 and Figure 5 As shown, the edge of the feed port of the seed supply trough 21 contacts the edge of the cylinder 223, the contact position of the seed brush 231 and the cylinder 223 and the feed port of the seed supply trough 21 are located on the same side of the vertical center line of the cylinder 223, and the contact position of the seed brush 231 and the cylinder 223 is located above the feed port, so that the seeds can fall back into the seed supply trough 21 when they are swept down from the seed suction hole 221 by the seed brush 231, so as to be replanted later, thereby avoiding seed waste.

[0042] In some embodiments, Figure 1 , Figures 3 to 5As shown, the driving assembly includes a second driving member, a rotation sensor 225 and a first position sensor 226. The first position sensor 226 and the cylinder 223 are configured to be arranged in sequence along the conveying direction of the conveyor belt 100, and the first position sensor 226 is used to detect the position of the plug tray 200. The rotation sensor 225 is provided on the cylinder 223, and the rotation sensor 225 is used to detect the rotation angle of the cylinder 223. The second driving member, the rotation sensor 225 and the first position sensor 226 are all electrically connected to the control device 3, and the control device 3 is used to control the rotation of the cylinder 223 based on the information fed back by the first position sensor 226 and the rotation sensor 225.

[0043] In this embodiment, by configuring the first position sensor 226 and the cylinder 223 to be arranged in sequence along the conveying direction of the conveyor belt 100, the hole tray 200 will first pass through the first position sensor 226. The first position sensor 226 can detect the position of the hole tray 200 and send corresponding information to the control device 3. The control device 3 can determine the distance between the hole tray 200 and the replanting position directly below the cylinder 223 through the position of the hole tray 200. At the same time, by setting a rotation sensor 225 on the cylinder 223 to detect the rotation angle of the cylinder 223, since the positions of the seed suction holes 221 on the cylinder 223 are fixed, the control device 3 can determine the positions of the seed suction holes 221 according to the rotation angle of the cylinder 223, and the control device 3 can judge whether the seed suction holes 221 have passed through the feeding port of the seed supply groove 21 and adsorbed the seeds according to the positions of the seed suction holes 221, and control the cleaning component 23 to clean the seeds in some of the seed suction holes 221 in combination with the position information of the sowing holes to be replanted, and control the cylinder 223 to cooperate with the movement and rotation of the hole tray 200, so that when the sowing holes of the hole tray 200 reach the replanting position directly below the cylinder 223, the seed suction holes 221 corresponding to the sowing holes are also located at a relative position.

[0044] In some embodiments, Figures 1 to 5 As shown, the plug tray intelligent drum reseeding device also includes a seed collection groove 4, and the seed supply groove 21 and the seed collection groove 4 are rotated along the direction of rotation of the cylinder 223 (such as Figure 3 The edges of the receiving openings of the seed receiving grooves 4 are in contact with the outer peripheral wall of the cylinder 223.

[0045] In this embodiment, the seed supply groove 21 and the seed collection groove 4 are arranged in sequence along the rotation direction of the cylinder 223, so that the seed suction hole 221 can pass through the seed supply groove 21 and the seed collection groove 4 in sequence, and the receiving port of the seed collection groove 4 contacts the outer peripheral wall of the cylinder 223, so that the seeds adsorbed by the seed suction hole 221 can still fall into the seed collection groove 4 with the rotation of the cylinder 223 after falling off from the seed suction hole 221 due to insufficient adsorption force, mechanical vibration, etc., so as to be recycled later and avoid seed waste.

[0046] In some embodiments, Figure 1 , Figure 4 and Figure 5 As shown, the plug tray intelligent roller seeding equipment also includes an oscillation mechanism 5, and the seed supply trough 21 is connected to the bracket 222 through the oscillation mechanism 5, and the oscillation mechanism 5 is used to drive the seed supply trough 21 to reciprocate along the axial direction of the cylinder 223.

[0047] In this embodiment, an oscillation mechanism 5 is provided between the bracket 222 and the seed supply slot 21. The oscillation mechanism 5 can drive the seed supply slot 21 to reciprocate along the axial direction of the cylinder 223, thereby driving the seeds in the seed supply slot 21 to oscillate back and forth along the axial direction, so that the seeds in the seed supply slot 21 can be evenly distributed, thereby preventing the seed supply slot 21 from forming vacancies in certain positions after the seeds are absorbed by the seed suction holes 221, resulting in the subsequent seed suction holes 221 failing to absorb seeds when passing through the seed supply slot 21.

[0048] Specifically, in one embodiment, the oscillation mechanism 5 includes a connecting frame, a first cylinder and a second cylinder. The connecting frame is installed on the bracket 222. The first cylinder and the second cylinder are both arranged on the connecting frame. The output shafts of the first cylinder and the second cylinder are respectively connected to the two ends of the seed supply trough 21. When one of the output shaft of the first cylinder and the output shaft of the second cylinder is pushed outward and the other is contracted, the seed supply trough 21 can be driven to move horizontally.

[0049] In some embodiments, Figure 1 , Figure 4 and Figure 5 As shown, the photographing device 1 includes a camera 11 and a second position sensor 12. The camera 11 is configured to be arranged above the conveyor belt 100. The second position sensor 12 is arranged between the camera 11 and the replanting device 2; the camera 11 and the second position sensor 12 are both electrically connected to the control device 3. The control device 3 is used to control the camera 11 to shoot based on the information fed back by the second position sensor 12.

[0050] In this embodiment, by setting the second position sensor 12 between the camera 11 and the reseeding device 2, the hole tray 200 can pass through the camera 11, the second position sensor 12 and the reseeding device 2 in sequence. It can be understood that the horizontal distance between the second position sensor 12 and the camera 11 can be set according to the shooting range of the camera 11. When the hole tray 200 passes through the second position sensor 12, the hole tray 200 is completely located within the shooting range of the camera 11. The second position sensor 12 will be able to detect the position of the hole tray 200 and send the corresponding information to the control device 3. The control device 3 controls the camera 11 to shoot, thereby obtaining a complete image of the entire hole tray 200, so that the control device 3 determines the position of the sowing hole to be reseeded based on the image of the hole tray 200.

[0051] In a specific embodiment, Figure 5As shown, when the front side of the cell tray 200 passes the detection end of the second position sensor 12 , the camera 11 is located directly above the center position of the cell tray 200 so as to photograph the entire cell tray 200 .

[0052] On the other hand, Figure 6 As shown, the present invention also provides a replanting method of the plug tray intelligent roller replanting device of any of the above embodiments. By adopting the above plug tray intelligent roller replanting device, the replanting method of the present invention also has the advantages of the above plug tray intelligent roller replanting device. The replanting method of the present invention comprises the following steps: Step S101: photographing the plug tray on the conveyor belt, and determining the positions of the seeding holes to be replanted on the plug tray based on the photographed images.

[0053] Step S102: Control the drum assembly to rotate so that the seed suction holes absorb the seeds in the seed supply slot, and control the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be reseeded.

[0054] Step S103: Control the drum assembly to continue rotating so that the seed suction holes with adsorbed seeds are aligned with the corresponding unsown sowing holes in sequence and the seeds are released.

[0055] In this embodiment, the hole tray 200 that has been sown continues to be conveyed along the conveyor belt 100. The hole tray 200 first passes through the shooting device 1. When passing through the shooting device 1, the shooting device 1 shoots the hole tray 200 and sends the captured image to the control device 3. The control device 3 can process the image of the hole tray 200, that is, identify it, and determine the positions of the sowing holes without seeds on the hole tray 200, that is, the positions of the sowing holes that need to be replanted, so as to perform the replanting later. Specifically, the recognition process can use a neural network algorithm such as YOLO to recognize the image. It can be understood that the shooting speed of the shooting device 1 is very fast, and the conveyor belt 100 does not need to pause when conveying the hole tray 200 through the shooting device 1. After determining the positions of the sowing holes that need to be replanted on the hole tray 200, the control device 3 can determine the seed suction holes 221 corresponding to these sowing holes, After the shooting is completed, before the sowing holes in the hole tray 200 that need to be replanted reach the position for replanting under the roller assembly 22, the roller assembly 22 is controlled to start rotating so that the seed suction holes 221 can pass through the feeding port of the seed supply slot 21 in sequence, so that the seed suction holes 221 absorb seeds. After absorbing the seeds, the seed suction holes 221 will pass through the cleaning assembly 23 in sequence. The control device 3 can determine the seed suction holes 221 that need to be cleaned and the seed suction holes 221 that need to retain seeds for replanting according to the corresponding relationship between the sowing holes and the seed suction holes 221, and control the cleaning assembly 23 to clean the seeds in the corresponding seed suction holes 221. In the subsequent replanting process, only the seed suction holes 221 corresponding to the sowing holes that need to be replanted have seeds, and the other seed suction holes 221 are empty, so that the sowing holes that need to be replanted can be replanted, and the sowing holes that already have seeds will not be repeatedly sown. It is understandable that the roller assembly 22 can keep rotating during the cleaning process without pausing.

[0056] After cleaning is completed, the roller assembly 22 continues to rotate, so that the seed suction holes 221 pass under the roller assembly 22 in sequence. By reasonably controlling the rotation speed of the roller assembly 22 and the transmission speed of the conveyor belt 100, the seed suction holes 221 can be arranged opposite to the corresponding sowing holes when they arrive at the bottom of the roller assembly 22, wherein the seed suction holes 221 with seeds adsorbed and the corresponding sowing holes to be reseeded are opposite and release the seeds, so that the seeds fall into the sowing holes, and the reseeding is completed. Continuous reseeding can be achieved with high reseeding efficiency.

[0057] Specifically, Figure 5 As shown, the sowing holes at positions A, B, C, and D are sowing holes where no seeds are sown. Sowing holes A and sowing holes B are located in the first row of the hole tray 200. When a group of seed suction holes 221 corresponding to the first row of sowing holes pass by, the seed brushes 231 corresponding to the two seed suction holes 221 corresponding to sowing holes A and sowing holes B move away from the cylinder 223, and the seed brushes 231 corresponding to the other seed suction holes 221 in the group extend out to clean out the seeds in these seed suction holes 221.

[0058] In some embodiments, Figure 7 As shown, step S102: controlling the roller assembly to rotate so that the seed suction holes absorb the seeds in the seed supply slot, and controlling the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be replanted, includes the following steps: Step S1018: Control the drum assembly to rotate to the initial position.

[0059] Step S1019: Detect the distance between the hole tray and the position directly below the roller assembly, and control the roller assembly to rotate when the distance is shortened to a preset distance.

[0060] The preset distance is determined according to the conveying speed of the conveyor belt 100 , the position of the seed suction hole 221 of the roller assembly 22 , and the rotation speed of the roller assembly 22 .

[0061] In this embodiment, before or after each replanting of a certain plug tray 200, the roller assembly 22 needs to be controlled to reset to the initial position. The position of the next plug tray 200 to be replanted is detected. When the plug tray 200 moves along the conveyor belt 100 to a preset distance from the position directly below the roller assembly 22, the roller assembly 22 can be controlled to start rotating. The preset distance is determined according to the conveying speed of the conveyor belt 100, the position of the seed suction hole 221 of the roller assembly 22, and the rotation speed of the roller assembly 22, so that when part of the sowing holes of the plug tray 200 moves to the directly below the roller assembly 22, the seed suction hole 221 corresponding to the part of the sowing holes has been through the process of adsorbing seeds and selectively cleaning by the cleaning assembly 23, and is exactly opposite to the corresponding sowing hole below, thereby completing the replanting. In this way, continuous replanting of multiple plug trays 200 on the conveyor belt 100 is achieved.

[0062] In a specific embodiment, Figure 3 As shown, when the roller assembly 22 is located at the initial position, the first batch of seed suction holes 221 opposite to the plug tray 200 are located at position E in the figure.

[0063] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A plug tray intelligent roller reseeding device, characterized in that: include: A photographing device is configured to be disposed above the conveyor belt, and the photographing device is used to photograph images of the cell trays on the conveyor belt; A reseeding device, comprising a seed supply trough, a roller assembly and a cleaning assembly, wherein the photographing device and the reseeding device are arranged in sequence along the conveying direction of the conveyor belt; the roller assembly is configured to be rotatably arranged above the conveyor belt, and the roller assembly is provided with a plurality of seed suction holes, and the plurality of seed suction holes are configured to be arranged corresponding to the sowing holes on the plug tray; the seed supply trough is used to hold seeds, and the feeding port of the seed supply trough is arranged toward the roller assembly; the seed suction holes are used to absorb seeds in the seed supply trough, and release seeds to the sowing holes when aligned with the corresponding sowing holes; the cleaning assembly is arranged toward the roller assembly, and the cleaning assembly is used to selectively clean out seeds in part of the seed suction holes; A control device is electrically connected to the photographing device, the roller assembly and the cleaning assembly; the control device is used to determine the position of the sowing hole to be replanted on the hole tray based on the image of the hole tray, and control the cleaning assembly to selectively clean the seeds in the seed suction hole based on the position of the sowing hole to be replanted, and control the roller assembly to rotate so that the seed suction hole is aligned with the corresponding unplanted sowing hole for replanting.

2. The plug tray intelligent roller reseeding equipment according to claim 1 is characterized in that: The roller assembly includes a bracket, a driving assembly, a cylinder and a positive pressure mechanism; The bracket is configured to be arranged on one side of the conveyor belt, and the cylinder is rotatably arranged on the bracket; an inner cavity connected to the plurality of seed suction holes is arranged in the cylinder, and the inner cavity is set at a negative pressure. The positive pressure mechanism is arranged in the inner cavity, and a positive pressure cavity is formed in the positive pressure mechanism, and a positive pressure opening is arranged at the bottom of the positive pressure cavity, and the positive pressure opening is arranged toward the bottom of the inner cavity; The driving assembly is arranged on the bracket, the driving assembly is drivingly connected to the cylinder, and the driving assembly is electrically connected to the control device.

3. The plug tray intelligent roller reseeding equipment according to claim 2 is characterized in that: A plurality of groups of seed suction holes are arranged on the outer peripheral wall of the cylinder body, and the plurality of groups of seed suction holes are arranged at intervals along the circumferential direction of the drum; and a plurality of seed suction holes in the same group are arranged at intervals along the axial direction of the drum.

4. The plug tray intelligent roller reseeding equipment according to claim 3 is characterized in that: The cleaning assembly includes a plurality of brushes and a first driving member arranged in one-to-one correspondence with the brushes; A plurality of seed brushes can be movably arranged on the bracket, and the plurality of seed brushes are arranged one-to-one correspondingly to each group of the plurality of seed suction holes on the cylinder; a plurality of the first driving members are arranged on the bracket, and each of the first driving members is drivingly connected to the corresponding seed brush, and each of the first driving members is used to drive the corresponding seed brush to move so as to contact the outer peripheral wall of the cylinder or to detach from the outer peripheral wall of the cylinder; Each of the first driving members is electrically connected to the control device.

5. The plug tray intelligent roller reseeding equipment according to claim 3 is characterized in that: The drive assembly includes a second drive member, a rotation sensor and a first position sensor; The first position sensor and the cylinder are configured to be arranged in sequence along the conveying direction of the conveyor belt, and the first position sensor is used to detect the position of the plug tray; The rotation sensor is arranged on the cylinder, and the rotation sensor is used to detect the rotation angle of the cylinder; The second driving member, the rotation sensor and the first position sensor are all electrically connected to the control device, and the control device is used to control the rotation of the cylinder based on information fed back by the first position sensor and the rotation sensor.

6. The plug tray intelligent roller reseeding equipment according to claim 2 is characterized in that: It also includes a seed collecting groove, wherein the seed supply groove and the seed collecting groove are arranged in sequence and at intervals along the rotation direction of the cylinder, and the edge of the receiving port of the seed collecting groove contacts the outer peripheral wall of the cylinder.

7. The plug tray intelligent roller reseeding equipment according to claim 2 is characterized in that: It also includes an oscillating mechanism, through which the seed supply trough is connected to the bracket, and the oscillating mechanism is used to drive the seed supply trough to reciprocate along the axial direction of the cylinder.

8. The plug tray intelligent roller reseeding equipment according to claim 1, characterized in that: The photographing device includes a camera and a second position sensor; The camera is configured to be arranged above the transmission belt; the second position sensor is arranged between the camera and the replanting device; the camera and the second position sensor are both electrically connected to the control device; The control device is used to control the camera shooting based on the information fed back by the second position sensor.

9. A method for replanting using the plug tray intelligent roller replanting device according to any one of claims 1 to 8, characterized in that: include: Taking a picture of the plug tray on the conveyor belt, and determining the position of the sowing hole on the plug tray that needs to be replanted according to the photographed image; Control the roller assembly to rotate so that the seed suction holes absorb the seeds in the seed supply slot, and control the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be replanted; The drum assembly is controlled to continue rotating, so that the seed suction holes with seeds adsorbed thereon are aligned with the corresponding unsown sowing holes in sequence and the seeds are released.

10. The replanting method of the plug tray intelligent roller replanting device according to claim 9, characterized in that: Before the step of controlling the roller assembly to rotate so that the seed suction hole absorbs the seeds in the seed supply slot, and controlling the cleaning assembly to clean out the seeds in some of the seed suction holes according to the positions of the sowing holes to be replanted, the method includes: Controlling the roller assembly to rotate to an initial position; Detecting the distance between the hole tray and the position directly below the roller assembly, and controlling the roller assembly to rotate when the distance is shortened to a preset distance; The preset distance is determined according to the conveying speed of the conveyor belt, the position of the seed suction hole of the roller assembly and the rotation speed of the roller assembly.

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