CN112568018A - Three-dimensional rice seedling raising device and rice transplanting mechanism - Google Patents

Abstract

The invention provides a three-dimensional rice seedling raising device and a seedling transplanting mechanism, which comprise a vertical central pipe, a plurality of conical bearing disks and strip-shaped degradable seedling raising plug trays, wherein the conical bearing disks are arranged on the vertical central pipe, a plurality of nutrient solution output holes positioned on the vertical central pipe are arranged above each conical bearing disk, a layer of seedling raising matrix is paved on each conical bearing disk, each strip-shaped degradable seedling raising plug tray comprises a plurality of seedling raising pot bodies which are sequentially connected with one another, and two strip-shaped degradable seedling raising plug trays are arranged on each conical bearing disk. The transplanting mechanism includes a conical bearing disc, a fixed support frame, a movable support frame, a supporting transverse shaft, a bowl separating and conveying mechanism, a bowl separating and centering mechanism and a furrow opener. The three-dimensional seedling raising device can realize the balanced growth of rice seedlings, the seedling raising quality is improved, the smooth planting of the seedlings with seedling raising bowls can be smoothly realized by the seedling transplanting mechanism, and the existing seedling planting operation flow is simplified.

Description

Three-dimensional rice seedling raising device and rice transplanting mechanism

Technical Field

The invention relates to a three-dimensional rice seedling raising device and a rice transplanting mechanism.

Background

In the field of rice planting, the strong seedlings and plants grown by improved seeds have direct or indirect influence on a high-quality and high-efficiency matched seedling management mode and corresponding planting and cultivating measures; the quality of seedling cultivation, the quality of transplanting, the growth speed and quality of the seedlings after green turning finally determine the high yield, high quality and high efficiency of the rice. In recent years, due to the continuous change of the structural reform of the agricultural supply side, the continuous improvement of the technical requirements of rice production, the continuous improvement of a mechanical seedling-transplanting seedling-raising mode method and the rapid development of a mechanical seedling-transplanting high-yield cultivation technology, a plurality of rice seedling-raising methods and mechanical seedling-transplanting cultivation technical modes adaptive to the rice seedling-raising methods are formed in production, the seedling-raising modes mostly adopt the modes of soft plastic tray seedling raising, hard plastic tray seedling raising or pot plastic tray seedling raising and the like, and the mechanical seedling-transplanting mode is mostly a seedling-dividing soil-cutting mode; although the seedling raising modes, the methods and the matching technology thereof are also greatly adjusted and changed continuously, the prior art of the modes has certain defects and shortcomings in actual production, soft plastic tray seedling raising, hard plastic tray seedling raising or pot plastic tray seedling raising are all plastic products, the depreciation rate problem exists in the use process, the application of a large number of plastic seedling raising trays leads to more waste seedling raising trays, and the waste seedling raising trays are discarded randomly, so that certain environmental pollution is caused, meanwhile, when the seedling raising trays are used for raising seedlings, because the seedling raising trays are generally horizontally placed, the ventilation and heat dissipation effects of seedlings positioned in the seedling raising trays are poor due to the blocking effect of peripheral seedlings in the middle and later stages of seedling raising, so that the later stage growth of the seedlings in the middle and later stages of the seedling raising trays is influenced, further, the existing mechanical seedling transplanting mode needs to be taken out of the seedling raising trays, then, the seedlings are placed on a seedling tray of a transplanter in a centralized manner for transplanting, which is complicated and is not beneficial to further realizing the seedling-transplanting integrated automation technology.

Disclosure of Invention

The invention aims to provide a three-dimensional rice seedling raising device and a transplanting mechanism, wherein a strip-shaped degradable seedling raising plug tray in the seedling raising device is naturally decomposed after being planted in a field along with rice seedlings for a period of time, so that the problem of environmental pollution caused by the existing plastic seedling raising tray is avoided, and the strip-shaped degradable seedling raising plug tray is spirally distributed on a conical bearing tray in a high-low mode, so that the ventilation and heat dissipation effects of each rice seedling can be guaranteed; when transplanting, the conical bearing plate with the seedling raising hole plate is directly placed in the transplanting mechanism according to requirements, so that the subsequent transplanting work can be realized, and the realization of the seedling raising-transplanting integrated automation technology is facilitated.

The technical scheme adopted by the invention for solving the technical problems is as follows: a three-dimensional rice seedling raising device and a seedling transplanting mechanism comprise a vertical central tube, a plurality of conical bearing discs and a strip-shaped degradable seedling raising plug tray, wherein the conical bearing discs are arranged on the vertical central tube in sequence from top to bottom in a detachable mode, the bottom of the vertical central tube is in a closed state, a plurality of nutrient solution output holes positioned on the vertical central pipe are arranged above each conical bearing disc, a layer of seedling substrate is laid on each conical bearing plate, each strip-shaped degradable seedling tray comprises a plurality of seedling pot bodies which are sequentially connected with each other, two strip-shaped degradable seedling culture hole trays are arranged on each conical bearing tray, and the two degradable seedling culture hole trays are spirally wound on the conical bearing trays in a double-row parallel mode, and the central axis of the seedling raising pot body and the central axis of the conical bearing disc are distributed in a mutually parallel state.

Preferably, a detachable ring-shaped baffle is arranged at the outer edge of each conical bearing disc, and a plurality of drainage holes are formed in the conical bearing discs.

Furthermore, the middle part of each conical bearing disc is sleeved on the vertical central pipe, a supporting rod for supporting the conical bearing discs to be positioned is arranged on the vertical central pipe, and the supporting rod is connected with the side wall of the vertical central pipe in a threaded connection mode.

Further, the flow area of the nutrient solution outlet holes above the respective conical carrier discs is larger than the flow area of the respective nutrient solution outlet holes below the respective conical carrier discs.

Preferably, a supporting bottom plate is arranged at the bottom of the vertical central tube, and a plurality of universal wheels with brake devices are arranged at the lower part of the supporting bottom plate.

Preferably, the seedling raising pot body is circular or hexagonal.

The invention also provides a seedling transplanting mechanism, which comprises a conical bearing disc, wherein the conical bearing disc is provided with two strip-shaped degradable seedling culture hole trays spirally wound side by side, the seedling transplanting mechanism also comprises a fixed support frame, a movable support frame, a supporting transverse shaft, a bowl body separating and conveying mechanism, a bowl body separating and righting mechanism and a furrow opener, the fixed support frame is fixedly arranged on a traction mechanism, four fixed guide rods are arranged on the fixed support frame, the periphery of the movable support frame is arranged on the corresponding fixed guide rods, the fixed support frame is provided with two hydraulic cylinders, the fixed ends of the hydraulic cylinders are fixedly connected with the fixed support frame, the movable ends of the hydraulic cylinders are connected with the bottom plane of the movable support frame, the front side and the rear side of the upper part of the movable support frame are respectively provided with a supporting plate, and the supporting transverse shaft is sleeved on the two supporting plates, the conical bearing plate can be sleeved on the supporting cross shaft, the bowl body separating and conveying mechanism comprises a connecting main frame and two groups of cutting and clamping mechanisms, the upper part of the connecting main frame is fixedly connected with the movable support frame, the connecting main frame is positioned below the middle part of the movable support frame, the two groups of cutting and clamping mechanisms are arranged on the connecting main frame side by side left and right, each group of cutting and clamping mechanisms comprises two synchronous belts, the two synchronous belts are distributed in a vertical state side by side left and right, opposite surfaces of the two synchronous belts can move downwards synchronously, each synchronous belt is provided with a plurality of semicircular clamping grooves distributed at equal intervals, the semicircular clamping grooves on the opposite surfaces of the two synchronous belts move downwards in a one-to-one correspondence state, and the center distance of two adjacent semicircular clamping grooves on the same synchronous belt corresponds to the center distance of two adjacent seedling-growing bowls on the strip-shaped degradable seedling-growing hole plate, two semicircular clamping grooves which are opposite left and right on opposite surfaces of two synchronous belts in the same cutting and clamping mechanism can clamp one seedling culture pot body to move downwards, and in the process of clamping the seedling culture pot body by butting the two semicircular clamping grooves, the cutting-off and separation of the corresponding seedling culture pot body and the strip-shaped degradable seedling culture hole tray can be synchronously realized; the pot separating and righting mechanism comprises a partition body with a triangular cross section, the partition body is arranged under the two groups of cutting and clamping mechanisms and can realize mutual isolation of two seedling-raising pots falling from the two groups of cutting and clamping mechanisms, two opposite surfaces of the upper part of the partition body are respectively provided with a righting plate in an inclined state, and the seedling-raising pots falling in a transverse state can be kept to continuously fall downwards in an almost vertical state after being blocked by the righting plates; the furrow opener sets up division volume below rear side, the furrow opener is the triangle-shaped toper, and the furrow opener is the low preceding high state distribution of back.

Preferably, the rear end of the supporting cross shaft is provided with a first limiting pin and a second limiting pin, the second limiting pin and the first limiting pin are distributed at the two sides of the corresponding supporting plate in a front-back manner, the middle part of the supporting cross shaft is provided with a fourth limiting pin and a third limiting pin which are distributed in a front-back state, the front end of the supporting cross shaft is provided with a fifth limiting pin which is positioned at the rear side of the corresponding supporting plate, a seedling standby area is arranged between the second limiting pin and the third limiting pin, a plurality of conical bearing discs with belt-shaped degradable seedling culture hole discs can be placed in the seedling standby area, a seedling release area is arranged between the third limiting pin and the fourth limiting pin, only one conical bearing disc with belt-shaped degradable seedling culture hole discs can be stored in the seedling release area, and the conical bearing discs in the seedling release area are distributed in a conical forward state, and an empty tray storage area is arranged between the fourth limiting pin and the fifth limiting pin and used for storing a plurality of conical bearing trays without the strip-shaped degradable seedling culture hole trays.

Furthermore, a bowl body auxiliary sliding groove is arranged right behind the two synchronous belts in each group of cutting and clamping mechanisms, the bowl body auxiliary sliding groove is U-shaped, and the opening of the bowl body auxiliary sliding groove faces to the relative gap between the two synchronous belts.

The invention has the beneficial effects that: the strip-shaped degradable seedling raising plug tray is soaked in a paddy field together with seedlings during seedling transplanting, and the seedling raising pot can be naturally decomposed after a certain number of soaking days, so that the problem that the seedling raising plug tray pollutes the environment is solved; during seedling raising, the strip-shaped degradable seedling raising plug trays are distributed on the conical bearing tray in a spiral rising mode, so that the seedling raising pot bodies are kept at a certain height difference, and the certain height difference exists among the seedling raising pot bodies, which is beneficial to ventilation and heat dissipation among seedlings in the later period, thereby ensuring the synchronous growth of the seedlings in the seedling raising period to the maximum extent and further improving the seedling raising quality; the seedling raising device is a multilayer three-dimensional seedling raising mechanism, and the utilization of longitudinal space is fully realized in limited transverse space, so that the seedling raising capability is greatly improved, and the seedling raising device can move freely according to requirements, so that the management of seedling raising is facilitated; by utilizing the transplanting mechanism, the strip-shaped degradable seedling raising plug tray and the synchronous planting of the seedlings on the strip-shaped degradable seedling raising plug tray can be directly realized, and then the operation flow from the seedlings to the transplanting is simplified, thereby being beneficial to realizing the seedling raising-transplanting integrated automation technology.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are part of the preferred embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a three-dimensional seedling raising device according to the present invention;

FIG. 2 is a schematic view showing the distribution of support rods on a vertical center tube;

FIG. 3 is a schematic structural diagram of a strip-shaped degradable seedling raising plug;

FIG. 4 is a schematic view showing two strip-shaped degradable seedling raising plug trays distributed in a parallel spiral winding state on a conical bearing tray;

FIG. 5 is a schematic view of the overall structure of the transplanting mechanism;

FIG. 6 is a side view of the overall structure of the transplanting mechanism;

FIG. 7 is a front view of the bowl separation transport mechanism;

FIG. 8 is a schematic view of the state that the adjacent seedling raising pots are clamped by the semicircular clamping grooves after being cut and separated;

FIG. 9 is an enlarged view taken at A in FIG. 5;

FIG. 10 is an enlarged view of FIG. 6 at B;

FIG. 11 is an enlarged view at C of FIG. 7;

in the figure: the device comprises a vertical central pipe 1, a nutrient solution output hole 11, a supporting bottom plate 12, a universal wheel 121, a supporting rod 13, a conical bearing disc 2, a ring-shaped baffle 21, a drainage hole 22, a degradable seedling culture hole disc 3 in a belt shape, a seedling culture pot 31, a fixed supporting frame 4, a fixed guide rod 41, a hydraulic cylinder 42, a movable supporting frame 5, a supporting plate 51, a transverse supporting shaft 6, a first limiting pin 61, a second limiting pin 62, a third limiting pin 63, a fourth limiting pin 64, a fifth limiting pin 65, a main connecting frame 71, a 72 cutting and clamping mechanism, a synchronous belt 721, a semicircular clamping groove 7211, an arc-shaped groove 7212, a cutting blade 7213, a driven synchronous wheel 722, a driving synchronous wheel 723, a driving motor 724, an auxiliary pot sliding groove 725, a separating body 8, a separating body 81, a righting plate 82, a first connecting plate 9 ditcher and a second.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the specific embodiments and accompanying drawings 1 to 11, and it is obvious that the described embodiments are only a part of the preferred embodiments of the present invention, and not all embodiments. Those skilled in the art can make similar modifications without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.

The invention provides a three-dimensional rice seedling raising device (as shown in figure 1), which comprises a vertical central tube 1, a conical bearing disc 2 and a strip-shaped degradable seedling raising plug tray 3, wherein the strip-shaped degradable seedling raising plug tray 3 is strip-shaped, and raw materials for processing and manufacturing the seedling raising plug tray are materials which can be automatically degraded in the natural environment of a paddy field, in the specific embodiment, the raw materials for manufacturing and processing the strip-shaped degradable seedling raising plug tray 3 can be adopted, and the raw materials for manufacturing and processing the strip-shaped degradable seedling raising plug tray are the raw materials adopted by the degradable seedling raising plug tray disclosed in the Chinese patent with the publication number of CN105724108B, and the seedling raising plug tray comprises the following raw materials: the paper comprises deinked paper pulp, plant fiber and an adhesive, wherein the water content of the deinked paper pulp is 40-60%, the mass ratio of the deinked paper pulp to the plant fiber to the adhesive is 60-80:20-40:1.5-2, the plant fiber comprises straw, bamboo reed, reed and wheat straw, and the mass ratio of the straw, the bamboo reed, the wheat straw to the adhesive is 10: 10: 15: 5:1.5-2. The seedling raising plug tray formed by the raw materials can realize natural disintegration within a certain number of days after being placed in a paddy field, thereby realizing subsequent natural degradation. The plurality of conical bearing discs 2 are arranged on the vertical central tube 1 in sequence from top to bottom in a detachable mode, in the embodiment, four conical bearing discs 2 are arranged on the vertical central tube 1, the middle parts of the conical bearing discs 2 are all sleeved on the vertical central tube 1, the conical bearing discs 2 can slide up and down on the vertical central tube 1, in order to realize the placement and the removal of the four conical bearing discs 2 on the vertical central tube 1, a support rod 12 for supporting the conical bearing discs 2 to be positioned is arranged on the vertical central tube 1, the support rod 12 is connected with the side wall of the vertical central tube 1 in a threaded connection mode, namely when the conical bearing discs 2 are required to be placed on the vertical central tube 1, the corresponding support rod 12 is screwed into threaded holes arranged on the vertical central tube 1 in sequence, when the conical bearing discs 2 are required to be removed from the vertical central tube 1, the support rods 12 are sequentially unscrewed from the vertical central tube 1, so that the conical bearing disc 2 can be conveniently separated from the upper part of the vertical central tube 1.

The bottom of the vertical central pipe 1 is in a closed state, a plurality of nutrient solution output holes 11 positioned on the vertical central pipe are arranged above each conical bearing plate 2, in the seedling raising process by using the device, the prepared nutrient solution flows to the corresponding conical bearing plate 2 from the nutrient solution output holes 11, so that the nutrient delivery is realized, in the nutrient solution delivery process, the influence of gravity on the nutrient solution is considered, and meanwhile, in order to ensure that sufficient nutrient solution can be obtained on each conical bearing plate 2, the flow area of the nutrient solution output holes 11 positioned above the corresponding conical bearing plates 2 is larger than the flow area of the corresponding nutrient solution output holes 11 positioned below the conical bearing plates, in the specific implementation, the shape of the nutrient solution output holes 11 can be circular hole shape or rectangular shape, and the flow area of the circular hole shape or rectangular shape, can be determined in turn according to the size of the actual conical carrier disc 2 and the vertical central tube 1.

A layer of seedling substrate is laid on each conical bearing plate 2, each strip-shaped degradable seedling culture hole plate 3 comprises a plurality of seedling culture pot bodies 31 which are connected with each other in sequence, two strip-shaped degradable seedling culture hole plates 3 are placed on each conical bearing plate 2, the two degradable seedling culture hole plates 3 are spirally wound on the conical bearing plate 2 in a double-row parallel mode, the central axes of the seedling culture pot bodies 31 and the central axis of the conical bearing plate 2 are distributed in a mutually parallel state, in practical application, the nutrient solution flowing out from the nutrient solution output hole 11 directly flows into the seedling substrate on the conical bearing plate 2, the seedling substrate in the seedling culture pot bodies 31 absorbs the nutrient solution from the seedling substrate on the conical bearing plate 2, the growth requirement of seeds in the seedling culture pot bodies 31 is further met, and the stable placement of the seedling substrate on the conical bearing plate 2 is realized, here, a detachable ring-shaped baffle 21 is disposed at the outer edge of each conical bearing plate 2, and further, after the seedling substrate sufficiently absorbs enough nutrient solution, a plurality of drain holes 22 are disposed on the conical bearing plates 2 for draining the excess nutrient solution. The invention utilizes the vertical central tube 1 to convey the nutrient solution, thereby avoiding the whole seedling culture pot body 31 from contacting with the business solution, reducing the contact degree of the seedling culture pot body 31 with the nutrient solution in the seedling culture process, further keeping the whole strength of the seedling culture pot body 31 and facilitating the subsequent realization of the rotary separation of the banded degradable seedling culture hole trays 3.

In this embodiment, the seedling raising bowl 31 can be configured in a circular or hexagonal shape, and further, in order to facilitate the movement of the conical bearing plate 2 driven by the vertical central tube 1 to improve the seedling raising management, a supporting base plate 12 is disposed at the bottom of the vertical central tube 1, and a plurality of universal wheels 121 with braking devices are disposed at the lower part of the supporting base plate 12.

The invention also provides a seedling transplanting mechanism, which comprises a conical bearing disc 2, a fixed support frame 4, a movable support frame 5, a supporting transverse shaft 6, a bowl body separating and conveying mechanism, a bowl body separating and righting mechanism and a furrow opener 9, wherein the conical bearing disc 2 is provided with two strip-shaped degradable seedling culture hole discs 3 which are spirally wound side by side, at the moment, seedlings in the strip-shaped degradable seedling culture hole discs 3 all meet the requirements of seedling culture growth, the fixed support frame 4 is fixedly arranged on a traction mechanism, in the practical application process, the fixed support frame 4 is driven by the traction mechanism to realize the movement of the whole seedling transplanting mechanism, four fixed guide rods 41 are arranged on the fixed support frame 4, the periphery of the movable support frame 5 is arranged on the corresponding fixed guide rods 41, two hydraulic cylinders 42 are arranged on the fixed support frame 4, the fixed ends of the hydraulic cylinders 42 are fixedly connected with the fixed support frame 4, the movable end of the hydraulic cylinder 42 is connected with the bottom plane of the movable support frame 5, the movable support frame 5 can reciprocate along the axial direction of the fixed guide rod 41 through the reciprocating action of the hydraulic cylinder 42, the front side and the rear side of the upper part of the movable support frame 5 are respectively provided with a support plate 51, the support cross shaft 6 is sleeved on the two support plates 51, the conical bearing disc 2 can be sleeved on the support cross shaft 6, the conical bearing disc 2 can freely rotate on the support cross shaft 6, after the conical bearing disc 2 is sleeved on the support cross shaft 6, the strip-shaped degradable seedling culture tray is still wound on the conical bearing disc 2, but seedlings on the conical bearing disc are distributed in a tilted state, in practical application, in order to realize the continuous seedling transplanting operation of the seedling planting machine within a certain time, the rear end of the support cross shaft 6 is provided with a first limit pin 61 and a second limit pin 62, the second limit pin 62 and the first limit pin 61 are distributed at the two sides of the corresponding support plate 5 in the front-back direction, the transverse positioning of the support cross shaft 6 on the movable support frame 5 is realized by the action of the first limit pin 61 and the second limit pin 62, the middle part of the support cross shaft 6 is provided with a fourth limit pin 64 and a third limit pin 63 which are distributed in the front-back state, the front end of the support cross shaft 6 is provided with a fifth limit pin 65 which is positioned at the back side of the corresponding support plate 51, the first limit pin 61, the second limit pin 62, the third limit pin 63, the fourth limit pin 64 and the fifth limit pin 65 can be fixed and detached on the support cross shaft 6, so that the conical bearing plate 2 can move on the support cross shaft 6 according to the actual requirement, a seedling standby area is arranged between the second limit pin 62 and the third limit pin 63, a plurality of conical bearing plates 2 with banded degradable plug trays can be placed in the seedling standby area, namely, the seedling standby area is used for providing seedlings to be transplanted, the seedling release area is arranged between the third limiting pin 63 and the fourth limiting pin 64, only one conical bearing disc 2 with the strip-shaped degradable seedling culture hole discs 3 can be stored in the seedling release area, the conical bearing discs 2 in the seedling release area are distributed in a conical forward state, the empty disc storage area is arranged between the fourth limiting pin 64 and the fifth limiting pin 65, the empty disc storage area is used for storing a plurality of conical bearing discs 2 without the strip-shaped degradable seedling culture hole discs 3, and the intermittent continuous supply flow of the seedlings in the seedling transplanting process can be further ensured through the arrangement of the seedling standby area, the seedling release area and the empty disc storage area.

Conveying mechanism is separated to alms bowl body is including connecting body frame 71 and two sets of cutting fixture 72, connect the upper portion of body frame 71 with 5 fixed connection of movable support frame, and connect body frame 71 and be located the middle part below of movable support frame 5, it is two sets of about cutting fixture 72 sets up side by side on the connection body frame 71, each group cutting fixture 72 all includes two hold-in ranges 721, two hold-in ranges 721 distributes side by side vertical state about being, and the opposite face of two hold-in ranges 721 can be synchronous downstream, and in this embodiment, hold-in range 721 realizes that pivoted embodiment mode does: a driven synchronizing wheel 722 and a driving synchronizing wheel 723 which are distributed up and down are arranged on the connecting main frame 71, a synchronous belt 721 is sleeved on the driven synchronizing wheel 722 and the driving synchronizing wheel 723, the driving synchronizing wheel 723 rotates through a driving motor 724 arranged on the connecting main frame 71, the driving synchronizing wheel 723 rotates to further realize the rotation of the synchronous belt 721, each synchronous belt 721 is provided with a plurality of semicircular clamping grooves 7211 which are distributed at equal intervals, the semicircular clamping grooves 7211 on the two opposite synchronous belts 721 in the same cutting and clamping mechanism 72 move downwards in a one-to-one corresponding state, the central distance of the two adjacent semicircular clamping grooves 7211 on the same synchronous belt 721 corresponds to the central distance of the two adjacent seedling raising pot bodies 31 on the belt-shaped degradable seedling raising tray 3, so that the semicircular clamping grooves 7211 on the synchronous belt 721 in the running process can realize the clamping and fixing of the seedling raising pot bodies 31 one by one, two semicircular clamping grooves 7211 which are opposite left and right on two synchronous belts 721 can clamp one seedling culture bowl body 31 to move downwards, and in the process of clamping the seedling culture bowl body 31 by butting the two semicircular clamping grooves 7211, the cutting-off and separation of the corresponding seedling culture bowl body 31 and the strip-shaped degradable seedling culture bowl tray 3 can be synchronously realized, in order to facilitate the clamping and separation of the adjacent seedling culture bowl bodies 31 by the semicircular clamping grooves 7211, an arc-shaped groove 7212 and a cutting blade 7213 are arranged on the semicircular clamping groove 7211, the clamping of the seedling culture bowl body 31 is realized by the two arc-shaped grooves 7212 in the clamping process, when the two cutting blades 7213 are butted, because the gap between the two butting blades 7213 is very small, after the butting blades are butted in place, the cutting-off of a connecting belt connecting the two seedling culture bowl bodies 31 is realized, so that the separation of the adjacent seedling culture bowl bodies 31 is realized, and in the process of the synchronous belts 31 moving downwards at a constant speed, to further achieve the stability of the movement of the seedling raising bowl 31, a bowl auxiliary sliding groove 725 is provided right behind the two timing belts 721 in each set of the cutting and clamping mechanism 72, the bowl auxiliary sliding groove 725 is U-shaped, the opening of the bowl auxiliary sliding groove 725 faces the relative gap between the two timing belts 721, and the bottom of the seedling raising bowl 31 slides inside the auxiliary sliding groove 725.

The pot separating and righting mechanism comprises a partition body 8 with a triangular cross section, the partition body 8 is arranged under two groups of cutting and clamping mechanisms 72, the partition body 8 can realize mutual isolation of two seedling-raising pots 31 falling from the two groups of cutting and clamping mechanisms 72, specifically, the partition body 8 is fixedly connected with a connecting main frame 71 through a first connecting plate 82, two opposite surfaces of the upper part of the partition body 31 are respectively provided with a righting plate 81 in an inclined state, the inclined surface of the upper part of the righting plate 81 faces to a synchronous belt 721, and the seedling-raising pots 31 falling in a transverse state can be kept in an almost vertical state to continuously fall downwards after being blocked by the blocking and adjusting effect of the righting plate 81 on the seedling-raising pots 31 falling in the transverse state, so that the seedling can be kept in a vertical planting state in the field; the furrow opener 9 sets up 8 below rear sides of baffle, the furrow opener 9 is the triangle-shaped toper, and high state distribution before furrow opener 9 is the back low, it is concrete, furrow opener 9 passes through second connecting plate 91 and is connected main frame 71 fixed connection, when carrying out the ditching operation, the low side of furrow opener 9 inserts in the field, realize the ditching along with the removal of furrow opener 9, the alms bowl body 31 of growing seedlings of two whereabouts is then under the effect of gravity, fall into the ditch inslot that furrow opener 9 left, the ditch groove all has certain degree of depth, thereby be convenient for store moisture, thereby be convenient for realize the growth of turning green of seedling in the alms bowl body 31 of growing seedlings. When the rice transplanting machine does not perform rice transplanting work, the movable support frame 5 is lifted by the hydraulic cylinder 42, so that the furrow opener 9 is lifted, the furrow opener 9 is higher than the ground, the furrow opener 9 does not hinder the rice transplanting machine from moving on a road along with the traction mechanism, and meanwhile, the ditching depth of the furrow opener 9 can be controlled by the lifting action of the hydraulic cylinder 42, so that proper water is stored in the opened groove.

When the rice transplanter is used for working, all the conical bearing disks 2 with seedlings are sequentially taken down from the vertical central tube 1 and are transported to a transplanting place, then one conical bearing disk 2 with the strip-shaped degradable seedling culture hole disks 3 is placed on the seedling release area of the supporting transverse shaft 6, then a plurality of conical bearing disks 2 with the strip-shaped degradable seedling culture hole disks 3 are sequentially placed on the seedling standby area of the supporting transverse shaft 6, after the placement is completed, the annular baffle 21 on the conical bearing disks 2 on the seedling release area is detached, the outer ring movable ends of the two strip-shaped degradable seedling culture hole disks 3 on the conical bearing disks are downwards freely under the action of gravity, then the movable end seedling culture pot bodies 31 of the two strip-shaped degradable seedling culture hole disks 3 are respectively clamped in the corresponding semicircular clamping grooves 7211 on the corresponding two synchronous belts 721 by manual assistance (at the moment, the two semicircular clamping grooves 7211 are not completely butted in place, so that the arc-shaped grooves 7211 on the two semicircular clamping grooves 7211 can not cut off the connecting belt before the two seedling-raising pots 31 are connected while the clamping effect on the two sides of the seedling-raising pots 31 is ensured, then the driving motor 724 is started, the driving motor 724 drives the synchronous belt 721 to rotate, the corresponding conical bearing disc 2 can slowly rotate and slowly rotate through the pulling effect of the strip-shaped degradable seedling-raising hole disc 3 in the rotating process of the synchronous belt 721, then the strip-shaped degradable seedling-raising hole disc 3 can be slowly conveyed into the synchronous belt 721, and in the moving process of the synchronous belt 721, when the two opposite semicircular clamping grooves 7211 are completely butted in place, the two cutting blades 7213 also cut off the connecting belt connecting the two seedling-raising pots 31 in the butting process, therefore, the seedling raising bowl bodies 31 are separated, the seedling raising bowl bodies 31 can continuously enter the corresponding semicircular clamping grooves 721 along with the continuous operation of the synchronous belts 721, when the seedling raising bowl bodies 31 move to the lower ends of the synchronous belts 721, the seedling raising bowl bodies 31 are separated from the semicircular clamping grooves 721 and directly fall into the grooves formed in the furrow openers 9, and the uniform planting of seedlings is realized by controlling the forward speed of the traction mechanism and the speed ratio of the seedling raising bowl bodies 31 continuously output by the synchronous belts 721.

After the strip-shaped degradable seedling culture hole trays 3 in the seedling release area all enter the semicircular clamping grooves 7211 on the synchronous belt 721, the empty conical bearing tray 2 is directly pushed into the empty tray placing area, then one conical bearing tray 2 with the strip-shaped degradable seedling culture hole trays 3 in the seedling placing area is placed into the seedling release area, the operation flow of clamping the seedling culture pot body 31 on the synchronous belt 721 by manual assistance is repeated, and then the seedling transplanting operation can be continuously realized.

In the present invention, "upper", "lower", "left" and "right" are relative positions used for convenience in describing positional relationships, and therefore, should not be interpreted as absolute positions as limiting the scope of protection.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

While the preferred embodiments and examples of the present invention have been described in detail, it will be apparent to those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (9)

1. A three-dimensional rice seedling raising device is characterized by comprising a vertical central pipe, a plurality of conical bearing disks and a strip-shaped degradable seedling raising plug tray, wherein the conical bearing disks are sequentially arranged on the vertical central pipe from top to bottom in a detachable mode, the bottom of the vertical central pipe is in a closed state, a plurality of nutrient solution output holes positioned on the vertical central pipe are arranged above each conical bearing disc, a layer of seedling substrate is laid on each conical bearing plate, each strip-shaped degradable seedling tray comprises a plurality of seedling pot bodies which are sequentially connected with each other, two strip-shaped degradable seedling culture hole trays are arranged on each conical bearing tray, and the two degradable seedling culture hole trays are spirally wound on the conical bearing trays in a double-row parallel mode, and the central axis of the seedling raising pot body and the central axis of the conical bearing disc are distributed in a mutually parallel state.

2. The three-dimensional rice seedling raising device as claimed in claim 1, wherein a detachable ring-shaped baffle plate is arranged at the outer edge of each conical bearing plate, and a plurality of drainage holes are arranged on the conical bearing plates.

3. The three-dimensional rice seedling raising device as claimed in claim 2, wherein the middle part of each conical bearing disc is sleeved on the vertical central tube, a support rod for supporting the conical bearing discs to be positioned is arranged on the vertical central tube, and the support rod is connected with the side wall of the vertical central tube in a threaded connection mode.

4. A three-dimensional device for growing seedlings of rice as claimed in claim 3, wherein the flow area of the nutrient solution outlet hole located above the corresponding conical bearing plate is larger than the flow area of the corresponding nutrient solution outlet hole located below the conical bearing plate.

5. The three-dimensional rice seedling raising device as claimed in claim 1, wherein a support base plate is arranged at the bottom of the vertical central tube, and a plurality of universal wheels with brake devices are arranged at the lower part of the support base plate.

6. The three-dimensional rice seedling raising device according to claim 1, wherein the seedling raising pot is circular or hexagonal.

7. A rice transplanting mechanism, which is characterized in that the rice transplanting mechanism comprises a conical bearing disc as claimed in claim 1 or 2, wherein the conical bearing disc is provided with two strip-shaped degradable seedling culture hole discs spirally wound side by side, the rice transplanting mechanism further comprises a fixed support frame, a movable support frame, a support cross shaft, a bowl body separating and conveying mechanism, a bowl body separating and centering mechanism and a furrow opener, the fixed support frame is fixedly arranged on a traction mechanism, the fixed support frame is provided with four fixed guide rods, the periphery of the movable support frame is arranged on the corresponding fixed guide rods, the fixed support frame is provided with two hydraulic cylinders, the fixed ends of the hydraulic cylinders are fixedly connected with the fixed support frame, the movable ends of the hydraulic cylinders are connected with the bottom plane of the movable support frame, the front side and the rear side of the upper part of the movable support frame are respectively provided with a support plate, it puts two to support the cross axle cover in the backup pad, the toper bears the dish and can overlap and put support on the cross axle, conveying mechanism is including connecting body frame and two sets of cutting fixture to the alms bowl body partition, the upper portion of connecting the body frame with movable support frame fixed connection, and it is located to connect the body frame the middle part below of movable support frame, it is two sets of cutting fixture sets up side by side about the cutting fixture on connecting the body frame, each group cutting fixture all includes two hold-in ranges, two the hold-in range is about being side by side vertical state and distributes, and the opposite face of two hold-in ranges can move down in step, at each all be provided with a plurality of equidistant semi-circular draw-in grooves that distribute on the hold-in range, and two opposite on the two hold-in ranges semi-circular draw-in groove all is the one-to-on-one state downstream, same two adjacent on the hold-in range two the centre- The center distances of adjacent seedling culture pot bodies are corresponding, two semicircular clamping grooves which are opposite left and right on opposite surfaces of two synchronous belts in the same cutting and clamping mechanism can clamp one seedling culture pot body to move downwards, and in the process of clamping the seedling culture pot bodies by butting the two semicircular clamping grooves, the cutting-off and separation of the corresponding seedling culture pot bodies and the strip-shaped degradable seedling culture pot tray can be synchronously realized; the pot separating and righting mechanism comprises a partition body with a triangular cross section, the partition body is arranged under the two groups of cutting and clamping mechanisms and can realize mutual isolation of two seedling-raising pots falling from the two groups of cutting and clamping mechanisms, two opposite surfaces of the upper part of the partition body are respectively provided with a righting plate in an inclined state, and the seedling-raising pots falling in a transverse state can be kept to continuously fall downwards in an almost vertical state after being blocked by the righting plates; the furrow opener sets up division volume below rear side, the furrow opener is the triangle-shaped toper, and the furrow opener is the low preceding high state distribution of back.

8. The transplanting mechanism of claim 7, wherein the rear end of the supporting lateral shaft is provided with a first limit pin and a second limit pin, the second limit pin and the first limit pin are distributed at the two sides of the corresponding supporting plate, the middle part of the supporting lateral shaft is provided with a fourth limit pin and a third limit pin which are distributed in a front-back state, the front end of the supporting lateral shaft is provided with a fifth limit pin which is positioned at the rear side of the corresponding supporting plate, a seedling standby area is arranged between the second limit pin and the third limit pin, a plurality of conical bearing discs with strip-shaped degradable seedling growing hole discs can be placed in the seedling standby area, a seedling release area is arranged between the third limit pin and the fourth limit pin, only one conical bearing disc with strip-shaped degradable seedling growing hole discs can be placed in the seedling release area, and the conical bearing discs in the seedling release area are distributed in a conical forward state, and an empty tray storage area is arranged between the fourth limiting pin and the fifth limiting pin and used for storing a plurality of conical bearing trays without the strip-shaped degradable seedling culture hole trays.

9. The rice transplanting mechanism of claim 8, wherein a bowl auxiliary sliding groove is provided right after the two timing belts in each set of cutting and clamping mechanism, the bowl auxiliary sliding groove is U-shaped, and the opening of the bowl auxiliary sliding groove faces the relative gap between the two timing belts.

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