Vegetable breeding seeder

Abstract

The invention discloses a vegetable breeding seeder, and relates to the technical field of seeding equipment, the structure of a vegetable breeding seeder in the prior art is optimized and improved, and a soft hollow belt body with multiple exhaust holes is used as a carrier of vegetable seeds; the suction force of the air holes in the soft hollow belt body to the seeds is controlled by negative pressure; during use, the soft hollow belt body is controlled to rotate according to needs, the soft hollow belt body stretches into the seed containing bin to take seeds during rotation, and the conveyed seeds are put into target seed holes when the taken seeds move to the position over a seedling raising hole tray; when the seeds are replaced, only the soft hollow belt body needs to be replaced; the technical effects that the vegetable breeding seeder is high in operation efficiency, small in seed leakage probability, convenient and efficient in seed switching and low in cost are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of sowing equipment, in particular to a vegetable breeding sowing machine. Background Art

[0002] Seedling cultivation is an important measure to bring vegetables to market earlier and increase yields. It also has the benefits of seizing the season, expanding the planting area, economical use of land and facilitating seedling management. In order to increase the utilization rate of seeds, current seedling cultivation generally tries to place one seed in a seed pit.

[0003] In the prior art, most vegetable breeding seeders adopt the traditional pneumatic sowing method; that is, using the principle of air pressure, the seeds are sucked out of the seed storage container through the air pressure difference, and then the seeds are accurately sown into the seedling hole tray containing the matrix through a pipe or a nozzle; although the above-mentioned sowing method meets the basic sowing needs to a certain extent, it still needs to be improved in terms of operating efficiency, seed hole leakage rate (seed hole leakage will seriously affect the quality of sowing and the uniformity of seedling emergence) and seed (different vegetable seeds have different sizes and shapes) switching convenience; and before and after the seeds are placed in the seedling hole tray, different amounts of matrix (bottom layer matrix and covering layer matrix) need to be filled in the seed hole according to the seed type. In the prior art, the matrix delivery component of the vegetable breeding seeder is difficult to flexibly apply to different seeds.

[0004] Therefore, there is a need for a vegetable breeding seeder with high operating efficiency, low probability of missing seeds in seed holes, convenient and efficient switching of seeds, and low cost of changing seeds. Summary of the invention

[0005] The embodiment of the present application solves the technical problems in the prior art of relatively low operating efficiency, relatively high seed hole leakage rate, poor seed switching convenience and high cost of switching the seeds planted by the vegetable breeding seeder by providing a vegetable breeding seeder; and achieves the technical effect of high operating efficiency of the vegetable breeding seeder, low probability of seed leakage, convenient and efficient switching of the seeds planted and low cost.

[0006] The embodiment of the present application provides a vegetable breeding seeder, comprising a support frame, a bottom conveying assembly, and also comprising a seed receiving bin located above the bottom conveying assembly and having an open top, and a seed suction and seed distributing assembly;

[0007] The seed suction and seed distribution assembly includes a supporting side frame located on one side of the bottom conveying assembly, a belt support roller group, a seed transport belt and a pump air assembly connected to the seed transport belt;

[0008] The support belt roller group is a combination of more than four horizontally placed hard rollers, all of which are connected to the supporting side frame by rotating around their own axes at one end, one of the rollers is located in the seed storage bin, and one of the rollers is located directly above the bottom conveying assembly and close to the bottom conveying assembly;

[0009] The seed transport belt is a hollow belt-shaped ring made of rubber, which is sleeved on the support roller group and is stretched straight; a plurality of rows of seed suction holes are arranged on the surface of the seed transport belt away from the support roller group;

[0010] A protrusion is provided on the side wall of the roller close to the bottom conveying component. The existence of the protrusion causes the seed transport belt close to the protrusion to be squeezed and deformed, so that some seed suction holes on the seed transport belt are blocked in time due to squeezing.

[0011] Furthermore, the seed transport belt includes a bottom belt body, a supporting soft ring and a top belt body; the bottom belt body is a belt-shaped ring-shaped elastic film made of rubber material; the supporting soft ring is a rubber ring body, two of which are respectively fixed on the surface of the bottom belt body away from the belt support roller group and are both arranged close to the edge of the bottom belt body; the top belt body is a soft film made of rubber or plastic material, and is fixed on the supporting soft ring near the edge; the cross-section of the seed transport belt is a U-shaped shape; the seed suction holes are all located on the top belt body.

[0012] Preferably, the seed suction and seed distribution assembly further comprises a support belt block;

[0013] The support belt block is a hard hollow block, positioned on the support frame and located in the space surrounded by the transport belt;

[0014] The support belt block has a built-in pump body, and multiple surfaces are closely attached to the surface of the transport belt close to the support belt roller group;

[0015] The support belt block is provided with a plurality of through grooves on the surface close to the transport belt;

[0016] The through groove is a long strip-shaped through groove, and the length direction is perpendicular to the width direction of the transport belt;

[0017] When the pump body in the support belt block is in operation, negative pressure is created in the internal space of the support belt block to adsorb the transport belt.

[0018] Preferably, it also includes a matrix delivery component;

[0019] The matrix delivery component is located on one side of the seed suction and seed distribution component away from the seed storage bin, and a lifting and pressing plate is provided on both sides for compacting the matrix in the seedling plug tray;

[0020] The matrix delivery assembly includes a matrix bin and a rotating material distribution column located at the bottom of the matrix bin; the matrix bin is a vertically arranged rectangular bin body, fixed on a support frame, with openings arranged at the top and bottom, and the bottom opening fits the side wall of the rotating material distribution column;

[0021] The rotating material distribution column is a horizontally arranged hard column, which rotates around its own axis and is connected to the support frame;

[0022] Multiple rows of pits for storing materials are evenly arranged on the side wall of the rotating material distribution column.

[0023] Preferably, it also includes a visual inspection system, which uses machine vision to determine whether vegetable seeds are adsorbed and fixed on the seed suction holes.

[0024] Preferably, the pump air assembly includes an air pump and a connecting pipe; both ends of the connecting pipe are positioned on the air pump and the transport belt through a rotating sealing assembly.

[0025] Furthermore, the spacing between two adjacent rows of seed suction holes is greater than 8 cm;

[0026] The number of rows of holes on the seedling tray is the same as the number of rows of seed suction holes; the length of the blank area on the surface of the seed transport belt away from the support roller group is greater than the length of the line passing through the near warehouse roller, the top reversing roller and the far warehouse roller in sequence.

[0027] Preferably, a belt pressing bag is fixedly mounted on the near-bin roller;

[0028] The compression bag is an elastic tubular bag connected to the pump, and its expansion and contraction are controlled by the control unit;

[0029] The seed transport belt is covered with seed suction holes;

[0030] When the belt pressure bag is inflated and expanded in a controlled manner, it contacts the bottom belt body, causing the bottom belt body to squeeze the top belt body, thereby causing the seed suction holes near the near-bin roller to lose their ability to absorb and fix seeds in a timely manner, thereby allowing the amount of seeds carried by the seed transport belt to be adjusted in a timely manner as needed during vegetable breeding and sowing.

[0031] Preferably, the rotating material distribution column comprises a base column, an outer covering tube and an outer sleeve;

[0032] The basic column is a horizontally arranged hard cylinder, and a plurality of rows of receiving grooves are evenly arranged on its side wall; the receiving grooves are cylindrical grooves, and the depth direction is the same as the radial direction of the basic column;

[0033] The basic column has a built-in air extraction component; the air extraction component is connected to all the containing grooves;

[0034] The outer covering tube is a rubber film tube, which is sleeved and tightly attached to the outer wall of the foundation column;

[0035] The outer sleeve is a hard pipe body, which is sleeved and tightly attached to the outer wall of the outer covering pipe and is indirectly fixed to the foundation column;

[0036] The outer sleeve is provided with communicating holes corresponding to the containing grooves one by one; the contour of the communicating holes is the same as the contour of the top opening of the containing groove.

[0037] Preferably, the setting of the pump gas component is cancelled;

[0038] Both ends of the belt support roller group are provided with supporting side frames, and the two supporting side frames are fixed on the supporting frame;

[0039] The bottom belt body is composed of a first bottom belt and a second bottom belt, both of which are fixed on the supporting soft ring at their edges, and both of which are fixed with an attraction soft strip at their edges away from the supporting soft ring, and the two are fixed together by adsorption of the attraction soft strip;

[0040] In addition to the through groove, the surface of the support belt block close to the bottom belt body is also provided with an adsorption strip and a through hole; the adsorption strip is a long strip of permanent magnet; each plane of the support belt block close to the bottom belt body is provided with two adsorption strips;

[0041] The adsorption strip is arranged close to the attraction soft strip and located on both sides of the attraction soft strip, and is used to open a small opening between the two attraction soft strips through magnetic force for gas circulation;

[0042] The through holes are located between the two adsorption strips, and there are multiple through holes, which serve as gas channels; the support belt block has a built-in pump to maintain a negative pressure state inside the support belt block.

[0043] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0044] By optimizing and improving the structure of the vegetable breeding and seeder in the prior art, a soft hollow belt body with multiple air holes is used as a carrier of vegetable seeds; negative pressure is used to control the attraction of the air holes on the soft hollow belt body to the seeds; when in use, the soft hollow belt body is controlled to rotate as needed, and during the rotation, the seeds are probed into the seed holding bin to take seeds, and when the taken seeds move to just above the seedling hole tray, the transported seeds are placed into the target seed holes; when replacing the seeds, only the soft hollow belt body or even only the membrane with air holes on the soft hollow belt body needs to be replaced; the technical problems of relatively low operating efficiency, relatively high seed hole leakage rate, poor seed switching convenience and high cost of switching the seeds in the prior art of the vegetable breeding and seeder are effectively solved; thereby achieving the technical effects of high operating efficiency, low probability of seed leakage, convenient and efficient switching of the seeds and low cost of the vegetable breeding and seeder. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] Figure 1 This is a schematic diagram of the overall structure of the vegetable breeding and seeder in this application;

[0046] Figure 2 This is a schematic diagram of the appearance and structure of the vegetable breeding and seeder in this application;

[0047] Figure 3 A schematic diagram of the positional relationship between the seed suction and seed distribution component and the seed storage bin;

[0048] Figure 4 It is a schematic diagram of the positional relationship between the supporting side frame, the top reversing roller, the near-bin roller, the far-bin roller and the support pulley;

[0049] Figure 5 Schematic diagram of the positional relationship between the transport belt and the top reversing roller, the near-bin roller, the far-bin roller and the support pulley;

[0050] Figure 6 The structure diagram of this belt is shown as follows;

[0051] Figure 7 It is a structural schematic diagram of the remote storage roller;

[0052] Figure 8 It is a schematic diagram of the positional relationship between the lifting and lowering plate and the matrix delivery component;

[0053] Fig. 9 It is a schematic diagram of the structure of the matrix delivery component;

[0054] Fig.10 This is a simplified diagram of the internal structure of the rotating material distribution column;

[0055] Fig.11 It is a schematic diagram of the local structure of the rotating material distribution column;

[0056] Fig.12 Schematic diagram of the positional relationship between the support belt block and the transport belt;

[0057] Fig.13 It is a schematic diagram of the positional relationship between the near-bin roller and the belt pressing bag;

[0058] Fig.14 It is a structural schematic diagram of the position where the transport belt is close to the support belt block;

[0059] Fig.15 It is a structural diagram of the support belt block and the transport belt.

[0060] In the figure: seedling tray 001, support frame 100, bottom conveying assembly 200, bottom carrier plate 210, seed containing bin 300, storage box 310, supporting side frame 410, top reversing roller 420, near bin roller 430, belt pressing bag 431, far bin roller 440, belt pressing protrusion 441, belt support roller 450, seed transport belt 460, bottom belt body 461, supporting soft ring 462, top belt body 463, seed suction hole 464, reinforcement ring 465, suction soft strip 466, air pump 471, connecting pipe 472, lifting and lowering plate 500, top lifting body 510, matrix bin 610, base column 621, containing groove 622, exhaust assembly 623, outer covering tube 624, outer sleeve 625, connecting hole 626, belt support block 700, through groove 710, adsorption strip 720, through hole 730. DETAILED DESCRIPTION

[0061] To facilitate the understanding of the present invention, the present application will be described more comprehensively below with reference to the relevant drawings; the drawings show preferred embodiments of the present invention, but the present invention can be implemented in many different forms and is not limited to the embodiments described herein; on the contrary, the purpose of providing these embodiments is to enable a more thorough and comprehensive understanding of the disclosed content of the present invention.

[0062] It should be noted that the terms “vertical”, “horizontal”, “up”, “down”, “left”, “right” and similar expressions used in this document are only for illustrative purposes and do not represent the only implementation method.

[0063] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0064] Embodiment 1

[0065] like Figures 1 to 9 As shown, the vegetable breeding and seeding machine of the present application includes a supporting frame 100, a bottom conveying assembly 200, a seed containing bin 300, a seed suction and seed distribution assembly, a lifting and pressing plate 500, a matrix delivery assembly, a power assembly and a control unit.

[0066] The support frame 100 is composed of a plurality of plates and / or a plurality of rods spliced ​​together, and is an integrated structure or a split structure, fixed on the ground, and plays the role of bearing and supporting other components of the vegetable breeding and seeder.

[0067] like Figure 1 and Figure 2 As shown, the bottom conveying assembly 200 is positioned on the ground or on the support frame 100, and is arranged horizontally, and plays the role of supporting the seedling cultivation plug tray 001 and driving the seedling cultivation plug tray 001 to move horizontally along its own length direction.

[0068] Furthermore, the bottom conveying assembly 200 is a horizontally arranged conveyor belt structure.

[0069] Preferably, the bottom conveying assembly 200 is a conveyor belt structure, and a bottom carrier plate 210 is positioned between the annular belt bodies; the bottom carrier plate 210 is a horizontally arranged hard rectangular plate, the edge of which is fixed on the support frame 100, and is suspended in the air, with the top abutting against the bottom of the annular belt body, and is used to indirectly support the seedling tray 001 so as to better compact the matrix therein.

[0070] like Figure 3As shown, the seed containing bin 300 is used to contain vegetable seeds to be sown, is located directly above or diagonally above the bottom conveying assembly 200, is fixed on the supporting frame 100, and has an opening at the top that faces directly above or diagonally above.

[0071] Furthermore, the seed storage bin 300 is a hard box body with an opening at the top and an inclined setting, and the part close to the seed suction and seed distribution component is lower, and the seed storage bin 300 is fixed on the support frame 100; a storage box 310 is fixed at the bottom obliquely above the seed storage bin 300; the storage box 310 is a hard box body, and a discharge port is provided at the bottom, vegetable seeds are stored inside, and a quantitative discharge mechanism is provided at the discharge port; during operation, the storage box 310 is controlled by the control unit to timely release (replenish) seeds to the seed storage bin 300.

[0072] The seed suction and seed placement assembly is used to quantitatively absorb the vegetable seeds in the seed storage bin 300 and put them into the seedling plug tray 001 at a regular and quantitative time, and includes a supporting side frame 410, a support belt roller group, a seed transport belt 460 and a pump air assembly connected to the seed transport belt 460;

[0073] The supporting side frame 410 is located on one side of the bottom conveying assembly 200 and is a vertically arranged hard plate body fixed on the supporting frame 100 for carrying and fixing the belt support roller group;

[0074] The support belt roller group is a combination of more than four horizontally placed hard rollers, all of which rotate independently and one end of which rotates around its own axis and is connected to the supporting side frame 410, and are all located at the top of the bottom conveying assembly 200, and at least one roller rotates under the coordinated control of the power assembly and the control unit; the support belt roller group is used to carry the seed transport belt 460, drive the seed transport belt 460 to rotate and shape it, one of the rollers is located in the seed holding bin 300, one of the rollers is located directly above the bottom conveying assembly 200 and close to the bottom conveying assembly 200, so that a part of the seed transport belt 460 penetrates into the seed holding bin 300 to absorb vegetable seeds, and a part of it is located directly above the bottom conveying assembly 200 for putting vegetable seeds into the seedling hole tray 001 located at the top of the bottom conveying assembly 200;

[0075] The seed transport belt 460 is a hollow belt-shaped ring made of rubber, which is put on the support roller group and is stretched straight; the internal space of the seed transport belt 460 is connected to the pump air component; the surface of the seed transport belt 460 away from the support roller group is provided with multiple rows of seed suction holes 464; the seed suction holes 464 are through holes, and a row of seed suction holes 464 corresponds to a row of holes on the seedling hole tray 001;

[0076] The side wall of the roller close to the bottom conveying assembly 200 is provided with a protrusion, which is tubular. The existence of the protrusion makes the roller look like a stepped shaft and causes the seed transport belt 460 close to the protrusion to be squeezed and deformed, so that part of the seed suction holes 464 on the seed transport belt 460 are blocked in time due to squeezing (such as Figure 5 As shown, as the seed transport belt 460 rotates, the internal space at some positions of the seed transport belt 460 is compressed, thereby blocking some rows of seed suction holes 464).

[0077] Furthermore, the distance between the seed transport belt 460 close to the bottom conveying assembly 200 and the top surface of the bottom conveying assembly 200 is 1.3 to 1.6 times the thickness of the seedling tray 001.

[0078] Furthermore, when the belt is stretched out by the support roller assembly, the longitudinal section of the transport belt 460 is heart-shaped (with the apex facing upward).

[0079] Further, such as Figure 4 As shown, the belt support roller group includes a top reversing roller 420, a near-bin roller 430, a far-bin roller 440 and a belt support roller 450; the roller close to the bottom conveying assembly 200 is the far-bin roller 440, and the protrusion thereon is the belt pressing protrusion 441; the roller at the top is the top reversing roller 420; the top reversing roller 420 rotates under the coordinated control of the power assembly and the control unit; the near-bin roller 430 is located in the seed containing bin 300; the belt support roller 450 is located below the top reversing roller 420 and above the near-bin roller 430 and the far-bin roller 440, and is spatially located between the near-bin roller 430 and the far-bin roller 440; the seed transport belt 460 is always close to the top reversing roller 420, the near-bin roller 430, the far-bin roller 440 and the belt support roller 450.

[0080] Further, such as Figure 6 As shown, the seed transport belt 460 includes a bottom belt body 461, a supporting soft ring 462 and a top belt body 463; the bottom belt body 461 is a belt-shaped ring-shaped elastic film of rubber material; the supporting soft ring 462 is a rubber ring body, two in number, which are respectively fixed on the surface of the bottom belt body 461 away from the belt support roller group and are both arranged close to the edge of the bottom belt body 461; the top belt body 463 is a soft film of rubber or plastic material, and is fixed on the supporting soft ring 462 near the edge; the cross-section of the seed transport belt 460 is a square shape; the seed suction holes 464 are all located on the top belt body 463.

[0081] Furthermore, in order to reduce the amount of the transport belt 460 being sucked flat due to negative pressure, the transport belt 460 also includes a reinforcement ring 465; the reinforcement ring 465 is a rubber soft ring, which is sleeved on the bottom belt body 461 and is tightly attached to and fixed on the bottom belt body 461.

[0082] Further, such as Figure 7As shown, in order to adapt to the setting of the reinforcement ring 465, the number of the pressure belt protrusions 441 on the remote bin roller 440 is multiple and arranged in a row.

[0083] Preferably, in order to balance the pressure in the belt 460, the reinforcement ring 465 is provided with a plurality of holes for gas circulation.

[0084] Preferably, in order to improve the uniformity of gas distribution in the transport belt 460, the supporting soft ring 462 is a hollow ring, and its side wall close to the inside of the transport belt 460 is densely covered with through holes; the pump air assembly is connected to the inside of the supporting soft ring 462.

[0085] Preferably, the top belt body 463 is detachably fixed on the supporting soft ring 462 .

[0086] Preferably, Fig.12 As shown, in order to further prevent the seed transport belt 460 from being sucked flat under negative pressure, the seed suction and seed distribution assembly also includes a support belt block 700; the support belt block 700 is a hard hollow block, positioned on the support frame 100 and located in the space surrounded by the seed transport belt 460; the support belt block 700 has a built-in pump body, and multiple surfaces are tightly attached to the surface of the seed transport belt 460 close to the support belt roller group; multiple through grooves 710 are provided on the surface of the support belt block 700 that is tightly attached to the seed transport belt 460; the through grooves 710 are long strip-shaped through grooves, and the length direction is perpendicular to the width direction of the seed transport belt 460; when the pump body in the support belt block 700 is in operation, negative pressure is created in the internal space of the support belt block 700 to adsorb the seed transport belt 460.

[0087] The main body of the pump air component is a gas pump, which is used to extract the gas in the seed transport belt 460 by suction and then create a negative pressure state in the seed transport belt 460 so that the seed suction holes 464 can absorb vegetable seeds.

[0088] Furthermore, the pump air assembly includes an air pump 471 and a connecting pipe 472; the air pump 471 is positioned on the support frame 100, and the connecting pipe 472 is a spring hose, one end of which is connected to the air pump 471, and the other end is connected to the internal space of the top belt body 463; the fixing point of the connecting pipe 472 on the transport belt 460 is located on the supporting soft ring 462 away from the supporting side frame 410.

[0089] The matrix delivery component is located on the side of the seed suction and seed distribution component away from the seed storage bin 300, and is used to deliver the matrix to the seedling plug tray 001 in a timely and quantitative manner; both sides of the matrix delivery component are provided with a lifting and pressing plate 500 for compacting the matrix in the seedling plug tray 001;

[0090] The matrix delivery assembly includes a matrix bin 610 and a rotating distribution column located at the bottom of the matrix bin 610; the matrix bin 610 is a vertically arranged rectangular bin body, fixed on the support frame 100, with openings set at the top and the bottom, and the bottom opening fits the side wall of the rotating distribution column; the rotating distribution column is a horizontally arranged hard column, which is connected to the support frame 100 and rotates around its own axis, and rotates under the coordinated control of the power component and the control unit; multiple rows of pits for storing materials are evenly arranged on the side wall of the rotating distribution column; during the rotation of the rotating distribution column, the matrix in the matrix bin 610 fills the pits on the rotating distribution column under the influence of gravity; when the seedling hole tray 001 moves to the bottom of the rotating distribution column, the rotating distribution column rotates to fill the matrix in the pits into the seedling hole tray 001.

[0091] Preferably, the number of the lifting and lowering plate 500 is one.

[0092] Furthermore, in order to avoid material leakage and reduce wear, brushes are provided at the bottom opening of the matrix bin 610 close to the rotating material distribution column, and these brushes fill the gap between the matrix bin 610 and the rotating material distribution column.

[0093] like Figure 8 As shown, the lifting and pressing plate 500 is a hard plate body, which is positioned on the support frame 100 by a top lifting body 510; the top lifting body 510 is a telescopic rod structure or a scissors-type lifting structure, which is located at the top of the lifting and pressing plate 500, and drives the lifting and pressing plate 500 to rise and fall under the control of the control unit; the bottom of the lifting and pressing plate 500 is provided with protrusions corresponding to the seed holes on the seedling hole tray 001; when the seedling hole tray 001 moves to the bottom of the lifting and pressing plate 500, the lifting and pressing plate 500 moves down to compact the matrix in the seed hole.

[0094] Preferably, in order to ensure that the matrix is ​​evenly, accurately and quickly filled into the pit, a vibrating assembly is positioned on the matrix bin 610 .

[0095] Preferably, the inner bottom of the seed containing bin 300 is arc-shaped, and its contour is similar to the contour of the portion of the seed transport belt 460 close to the bin roller 430. When the seed containing bin 300 contains less seeds, the seed transport belt 460 can still suck up the seeds.

[0096] Preferably, in order to ensure the applicability of the substrate delivery component, so that it can be used for different vegetable seeds and different amounts of substrate can be delivered into the seed holes of the seedling tray 001; the pits on the rotating distribution column can be designed to be smaller and when delivering the substrate, the substrates in multiple pits on the rotating distribution column can be delivered into one seed hole.

[0097] The power assembly is used to provide power for the operation of various components of the vegetable breeding and seeder of the present application, and the control unit plays a role in controlling the coordinated operation of various components of the vegetable breeding and seeder. Both are prior arts and will not be elaborated here.

[0098] Preferably, the control unit is a combination of a programmable logic controller and control buttons.

[0099] Preferably, the vegetable breeding seeder of the present application also includes a visual inspection system, which uses machine vision to determine whether vegetable seeds are adsorbed and fixed on the seed suction holes 464; the visual inspection system is a prior art and will not be described in detail here.

[0100] When the vegetable breeding seeder of the embodiment of the present application is used:

[0101] 1. First, put the vegetable seeds to be sown into the seed storage bin 300;

[0102] 2. Then control the bottom conveying component 200 to convey the seedling hole tray 001 to the bottom of the matrix delivery component to deliver the bottom matrix;

[0103] 3. Thereafter, the seedling hole tray 001 is controlled to move to the position directly below the seed suction and seed placement assembly; at the same time, the pump air assembly is controlled to operate continuously and the top reversing roller 420 is controlled to rotate intermittently, so that the seed transport belt 460 absorbs the seeds and then moves to the position directly above the seedling hole tray 001 for placement (when the seed transport belt 460 is close to the pressure belt protrusion 441, the bottom belt body 461 deforms due to pressure and contacts the top belt body 463 to close the rows of seed suction holes 464, so that the seeds absorbed by the seed suction holes 464 fall to the corresponding seed holes under the influence of their own weight); in order to avoid serious twisting and distortion of the connecting tube 472, the seed transport belt 460 rotates one or several times and then reverses one or several times;

[0104] 4. When a seedling tray 001 is loaded with seeds, it is controlled to move to the substrate delivery assembly to cover the top substrate, and then compacted and transported away.

[0105] Preferably, in order to avoid severe twisting and distortion of the connecting tube 472 and to ensure that the transport belt 460 does not need to be reversed after rotating one or several circles, both ends of the connecting tube 472 are positioned on the air pump 471 and the transport belt 460 through a rotating sealing assembly; the rotating sealing assembly is a prior art and will not be described in detail here.

[0106] Furthermore, the spacing between two adjacent rows of seed suction holes 464 is greater than 8 cm; the number of rows of holes on the seedling hole tray 001 is the same as the number of rows of seed suction holes 464; the length of the blank area on the surface of the seed transport belt 460 away from the belt support roller group (the area without seed suction holes 464) is greater than the length of the line passing through the near warehouse roller 430, the top reversing roller 420 and the far warehouse roller 440 in sequence (because the seeds adsorbed on the seed suction holes 464 can only be unloaded near the far warehouse roller 440, the seed transport belt 460 can only carry the amount of seeds that fill one seedling hole tray 001 at a time; if the seed transport belt 460 is covered with seed suction holes 464, the seeds will be scattered onto the bottom conveying component 200 and / or the ground when it is shut down).

[0107] In order to improve the carrying capacity of the seed transport belt 460 and the flexibility of carrying seeds, Fig.13 As shown, a pressure belt bag 431 is fixedly mounted on the near-warehouse roller 430; the pressure belt bag 431 is an elastic tubular bag, which is connected to a pump, and its expansion and contraction is controlled by a control unit; the seed transport belt 460 is covered with seed suction holes 464; when the pressure belt bag 431 is controlled to be inflated and expanded, it contacts the bottom belt body 461, so that the bottom belt body 461 squeezes the top belt body 463, thereby causing the seed suction holes 464 near the near-warehouse roller 430 to lose their ability to absorb and fix seeds in a timely manner, thereby allowing the application to adjust the amount of seeds carried by the seed transport belt 460 in a timely manner as needed during vegetable breeding and sowing.

[0108] The technical solutions in the above embodiments of the present application have at least the following technical effects or advantages:

[0109] The invention solves the technical problems in the prior art that the operation efficiency of vegetable breeding seeders is relatively low, the rate of seed leakage in seed holes is relatively high, the seed switching convenience is poor and the cost of switching the seeds to be planted is relatively high; and achieves the technical effect that the operation efficiency of vegetable breeding seeders is high, the probability of seed leakage is small, the switching of the seeds to be planted is convenient, efficient and low-cost.

[0110] Embodiment 2

[0111] In order to further improve the flexibility and accuracy of the amount of substrate delivered by the substrate delivery component, and thus improve the applicability of the substrate delivery component to different seeds, the embodiment of the present application further optimizes and improves the structure of the rotating distribution column on the basis of the above embodiment, specifically:

[0112] like Fig.10 and Fig.11 As shown, the rotating material distribution column includes a base column 621, an outer covering tube 624 and an outer sleeve 625;

[0113] The base column 621 is a horizontally arranged hard cylinder, and a plurality of rows of receiving grooves 622 are evenly arranged on its side wall; the receiving grooves 622 are cylindrical grooves, and the depth direction is the same as the radial direction of the base column 621;

[0114] The base column 621 has a built-in air extraction component 623; the main body of the air extraction component 623 is a pump, which is connected to all the containing grooves 622;

[0115] The outer covering tube 624 is a rubber thin film tube, which is sleeved and tightly attached to the outer wall of the base column 621;

[0116] The outer sleeve 625 is a hard tube body, which is sleeved and closely attached to the outer wall of the outer covering tube 624 and is indirectly fixed to the base column 621;

[0117] The outer sleeve 625 is provided with a communication hole 626 corresponding to the receiving groove 622 one by one; the contour of the communication hole 626 is the same as the contour of the top opening of the receiving groove 622;

[0118] When the substrate delivery component needs to be operated, the vacuum component 623 can be controlled to operate as needed to control the air pressure in the receiving tank 622 and then control the outer tube 624 to be concave into the tank under the influence of the air pressure, thereby obtaining a pit that can accommodate different substrate masses.

[0119] Embodiment 3

[0120] In order to further avoid the twisting of the connecting tube 472, further improve the uniformity of the air pressure in the transport belt 460, and further improve the stability of the belt support roller group during long-term use; the embodiment of the present application cancels the setting of the pump air component on the basis of the above embodiment, adds a supporting side frame 410, and further optimizes and improves the structure of the bottom belt body 461 and the structure of the belt support block 700, specifically:

[0121] like Fig.14 and Fig.15 As shown, both ends of the belt support roller group are provided with supporting side frames 410, and both supporting side frames 410 are fixed on the supporting frame 100;

[0122] The bottom belt body 461 is composed of two belt-shaped annular elastic sheets joined together by magnetic force;

[0123] For the convenience of description, the two belt-shaped annular elastic sheets are defined as a first bottom belt and a second bottom belt respectively;

[0124] The first bottom belt and the second bottom belt are fixed on the supporting soft ring 462 at their edges close to the edges, and the edges away from the supporting soft ring 462 are fixed with an attracting soft strip 466; the attracting soft strip 466 is a ring-shaped strip; the first bottom belt and the second bottom belt are fixed together by the attracting soft strip 466; the attracting soft strip 466 is a bar-shaped soft magnet or a bar-shaped soft capsule with built-in magnetic powder;

[0125] In addition to the through groove 710, the surface of the support belt block 700 that is close to the bottom belt body 461 is also provided with an adsorption strip 720 and a through hole 730; the adsorption strip 720 is a long permanent magnet, fixed on the outer wall of the support belt block 700 and flush with the outer wall of the support belt block 700; each plane of the support belt block 700 that is close to the bottom belt body 461 is provided with two adsorption strips 720; the length direction of the adsorption strip 720 is perpendicular to the width direction of the transport belt 460; the distance between the adsorption strip 720 and the attraction soft strip 466 is less than 2.5 cm; the adsorption strip 720 is arranged close to the attraction soft strip 466 and is located on both sides of the attraction soft strip 466, and is used to use magnetic force to cause a small opening between the two attraction soft strips 466 for gas circulation; the through hole 730 is located between the two adsorption strips 720, and there are multiple through holes, which act as gas channels; the support belt block 700 has a built-in pump to maintain the negative pressure state inside the support belt block 700.

[0126] During the rotation of the transport belt 460, the built-in pump of the support block 700 continues to run, and the soft strip 466 is attracted to open a small hole near the through hole 730 under the influence of magnetic force, so that the internal space of the transport belt 460 is connected with the internal space of the support block 700, thereby maintaining the negative pressure state of the internal space of the transport belt 460.

[0127] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A vegetable breeding and seeder, comprising a support frame (100) and a bottom conveying assembly (200), characterized in that: It also includes a seed storage bin (300) located above the bottom conveying assembly (200) and having an open top, and a seed suction and seed distribution assembly; The seed suction and seed distribution assembly comprises a supporting side frame (410) located on one side of the bottom conveying assembly (200), a belt support roller group, a seed transport belt (460) and a pump air assembly connected to the seed transport belt (460); The support belt roller group is a combination of more than four horizontally placed hard rollers, all of which are connected to the supporting side frame (410) by rotating around their own axes at one end, one of the rollers is located in the seed storage bin (300), and one of the rollers is located directly above the bottom conveying assembly (200) and close to the bottom conveying assembly (200); The seed transport belt (460) is a hollow belt-shaped ring made of rubber material, which is sleeved on the belt support roller group and is stretched straight; a plurality of rows of seed suction holes (464) are provided on the surface of the seed transport belt (460) away from the belt support roller group; A protrusion is provided on the side wall of the roller close to the bottom conveying component (200). The existence of the protrusion causes the seed transport belt (460) close to the protrusion to be squeezed and deformed, so that part of the seed suction holes (464) on the seed transport belt (460) are blocked in time due to squeezing.

2. The vegetable breeding and seeder according to claim 1, characterized in that: The seed transport belt (460) comprises a bottom belt body (461), a supporting soft ring (462) and a top belt body (463); the bottom belt body (461) is a belt-shaped ring-shaped elastic film made of rubber material; the supporting soft ring (462) is a rubber ring body, two in number, which are respectively fixed on the surface of the bottom belt body (461) away from the belt support roller group and are both arranged close to the edge of the bottom belt body (461); the top belt body (463) is a soft film made of rubber or plastic material, and is fixed on the supporting soft ring (462) close to the edge; the cross-section of the seed transport belt (460) is a square shape; the seed suction holes (464) are all located on the top belt body (463).

3. The vegetable breeding and seeder according to claim 2, characterized in that: The seed suction and seed distribution assembly further comprises a support belt block (700); the support belt block (700) is a hard hollow block, positioned on the support frame (100) and located in the space surrounded by the seed transport belt (460); The support belt block (700) has a built-in pump body, and multiple surfaces are closely attached to the surface of the transport belt (460) close to the support belt roller group; A plurality of through grooves (710) are provided on the surface of the support belt block (700) close to the transport belt (460); The through groove (710) is a long strip-shaped through groove, and the length direction is perpendicular to the width direction of the transport belt (460); When the pump body in the support belt block (700) is in operation, negative pressure is created in the internal space of the support belt block (700) so as to adsorb the transport belt (460).

4. The vegetable breeding and seeder according to claim 1, characterized in that: Also included is a substrate delivery component; The matrix delivery component is located on a side of the seed suction and seed distribution component away from the seed storage bin (300), and a lifting and pressing plate (500) is provided on both sides for compacting the matrix in the seedling cultivation plug tray (001); The matrix delivery assembly comprises a matrix bin (610) and a rotating material distribution column located at the bottom of the matrix bin (610); the matrix bin (610) is a vertically arranged rectangular bin body, fixed on the support frame (100), with openings arranged at the top and bottom, and the bottom opening is in contact with the side wall of the rotating material distribution column; The rotating material distribution column is a horizontally arranged hard column, which is rotatable around its own axis and connected to the support frame (100); Multiple rows of pits for storing materials are evenly arranged on the side wall of the rotating material distribution column.

5. The vegetable breeding and seeder according to claim 1, characterized in that: It also includes a visual detection system, which uses machine vision to determine whether vegetable seeds are adsorbed and fixed on the seed suction hole (464).

6. The vegetable breeding and seeder according to claim 2, characterized in that: The pump air assembly includes an air pump and a connecting pipe (472); both ends of the connecting pipe (472) are positioned on the air pump (471) and the transport belt (460) through a rotating sealing assembly.

7. The vegetable breeding and seeder according to claim 6, characterized in that: The spacing between two adjacent rows of seed suction holes (464) is greater than 8 cm; The number of rows of holes on the seedling hole tray (001) is the same as the number of rows of seed suction holes (464); the length of the blank area on the surface of the seed transport belt (460) away from the belt support roller group is greater than the length of the line connecting the near warehouse roller (430), the top reversing roller (420) and the far warehouse roller (440) in sequence.

8. The vegetable breeding and seeder according to claim 6, characterized in that: A belt pressing bag (431) is fixedly mounted on the near-bin roller (430); The pressure belt bag (431) is an elastic tubular bag body, which is connected to the pump and the expansion and contraction are controlled by the control unit; The seed transport belt (460) is covered with seed suction holes (464); When the pressure belt bag (431) is inflated in a controlled manner, it contacts the bottom belt body (461), causing the bottom belt body (461) to squeeze the top belt body (463), thereby causing the seed suction holes (464) near the near-bin roller (430) to lose their ability to absorb and fix seeds in a timely manner, thereby allowing the amount of seeds carried by the seed transport belt (460) to be adjusted in a timely manner as needed during vegetable breeding and sowing.

9. The vegetable breeding and seeder according to claim 4, characterized in that: The rotating material distribution column comprises a base column (621), an outer covering tube (624) and an outer sleeve (625); The basic column (621) is a hard cylinder arranged transversely, and a plurality of rows of receiving grooves (622) are evenly arranged on its side wall; the receiving grooves (622) are cylindrical grooves, and the depth direction is the same as the radial direction of the basic column (621); The basic column (621) has a built-in air extraction component (623); the air extraction component (623) is in communication with all the receiving grooves (622); the outer covering tube (624) is a rubber film tube, which is sleeved and tightly attached to the outer wall of the basic column (621); The outer sleeve (625) is a hard tube body, which is sleeved and tightly attached to the outer wall of the outer covering tube (624) and is indirectly fixed to the foundation column (621); The outer sleeve (625) is provided with a communication hole (626) corresponding to the receiving groove (622) one by one; the contour of the communication hole (626) is the same as the contour of the top opening of the receiving groove (622).

10. The vegetable breeding and seeder according to claim 3, characterized in that: Cancel the setting of the pump gas component; Both ends of the belt support roller group are provided with supporting side frames (410), and the two supporting side frames (410) are fixed on the supporting frame (100); the bottom belt body (461) is composed of a first bottom belt and a second bottom belt spliced ​​together, and the positions close to the edges of the two are fixed on the supporting soft ring (462), and the edges of the two away from the supporting soft ring (462) are fixed with attraction soft strips (466), and the two are fixed together by adsorption of the attraction soft strips (466); In addition to the through groove (710), the surface of the support belt block (700) close to the bottom belt body (461) is also provided with an adsorption strip (720) and a through hole (730); the adsorption strip (720) is a long strip of permanent magnet; each plane of the support belt block (700) close to the bottom belt body (461) is provided with two adsorption strips (720); The adsorption strip (720) is arranged close to the attraction soft strip (466) and is located on both sides of the attraction soft strip (466), and is used to force a small opening between the two attraction soft strips (466) to allow gas to flow through the magnetic force; The through holes (730) are located between the two adsorption strips (720) and are in plurality, serving as gas passages; the support block (700) has a built-in pump to maintain a negative pressure state inside the support block (700).

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