CN210202440U - Double-suction-disc surrounding conveying precision seeding device - Google Patents

Abstract

The utility model discloses a two suction cups encircle carries accurate seeder, concretely relates to accurate seeding technical field, including frame, rotary device, conveyer, strutting arrangement, seeder, controller and seedling dish. The utility model discloses install rotary device in the frame for rotatory seedling dish, conveyer is used for butt joint and the conveying of seedling dish, makes the seeding process more have the continuity, improves seeding efficiency, and seeding device is including linking device, vibrating device and seeding case, and linking device and vibrating device realize the high accuracy vibration from top to bottom of seeding case, and the seeding case is equipped with two induction ports for adsorb the seed, improved the efficiency and the precision of seeding, reduce the waste of seed. The utility model discloses stable in structure, the good reliability can be used to the dish cave of cereal and grows seedlings, and the injury of seeding in-process to the seed is little, is expected to promote by a large scale.

Description

Double-suction-disc surrounding conveying precision seeding device

Technical Field

The utility model belongs to the technical field of accurate seeding machinery, specifically relate to a two suction cups encircle carry accurate seeder.

Background

China is always a big agricultural country, and with the development of modern science and technology, the crop sowing mode gradually goes to mechanization, intellectualization and precision. Sowing has important significance for the emergence rate of crops and the yield of grains, and the improvement of a sowing device is an important mode for realizing precise and efficient sowing.

In the face of increasingly severe global grain crisis, super rice is cultivated in China, grain yield is greatly improved, and with continuous popularization of super rice planting, people have higher and higher requirements on super rice seeding and seedling raising precision, and the seeding precision requirement reaches 2 +/-1 grains/hole. The precision seeding device in the current market has wheel groove type, drum type, vibration hole disc type and the like, and has some defects. For example, the wheel-groove type precision seeding device cannot accurately control the seeding amount, so that the seeding density cannot be effectively controlled, and the seed damage rate is high; the problems of high seed damage rate of the drum-type and vibration plug-type seeding devices exist, and the problems of seed leakage, uneven seed distribution and the like easily occur in the vibration process of the vibration plug-type seeding devices. In order to solve the problems, an efficient and precise seeding device is needed to be designed, seeding efficiency is improved, seeding precision can be controlled to be 2 +/-1 grains/hole, and seed damage rate is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the prior precision seeding device can not sow with high efficiency and accuracy, and causes the damage and waste of seeds, and provides a double-suction-disc surrounding conveying precision seeding device.

The utility model discloses the technical problem that will solve adopts following technical scheme to realize.

The utility model provides a two suction cups encircle carries precision seeding device which characterized in that: the seedling tray seeding machine comprises a rack, a rotating device, a conveying device, a supporting device, a seeding device, a controller and a seedling tray, wherein the rotating device is arranged on the rack and used for rotating a first conveying mechanism and the seedling tray; the conveying device comprises a first conveying mechanism and a second conveying mechanism, six conveying mechanisms are uniformly arranged on the rotating device, and four conveying mechanisms are arranged on the outer side of the rotating device and horizontally aligned with the first conveying mechanism and used for conveying seedling trays; the two supporting devices are symmetrically arranged on the outer side of the rotating device; the two seeding devices are respectively arranged on the two supporting devices, are vertically aligned with the first conveying mechanism and are used for precisely seeding the seedling trays on the first conveying mechanism; the controller is arranged on the supporting device and used for controlling the device to operate; the seedling tray is placed on the conveying device.

The rotating device comprises a first motor, a connecting gear box, a roller track, a ball, a crushing ring and a turntable, wherein the first motor is arranged on the rack and used for driving the rotating device; the linking gear box is arranged on the rack and is connected to an output shaft of the first motor through a key for changing the transmission direction of the first motor; the roller track set up in the frame, the ball be located the roller track, the carousel install on the output shaft that links up the gear box through broken ring, and contact with the ball.

The conveying device comprises a first conveying mechanism and a second conveying mechanism, wherein the first conveying mechanism comprises a first rotating shaft, a second rotating shaft, a first winding drum, a first conveying belt, a support plate, a second motor, a first small belt wheel, a first large belt wheel and a first V belt, the first rotating shaft is arranged on a turntable through a bearing, the second rotating shaft is arranged on the turntable through a bearing, the first winding drum is provided with two winding drums and is fixedly connected to the first rotating shaft and the second rotating shaft, the first conveying belt is sleeved on the first winding drum, the first winding drum and the first conveying belt form belt conveying, the support plate is fixedly connected to the turntable, and the second motor is arranged on the support plate through bolts and nuts and is used for driving the first conveying mechanism; the small belt wheel I is arranged on an output shaft of the motor II through a key, the large belt wheel I is arranged on the rotating shaft I through a key, the V belt is sleeved on the small belt wheel I and the large belt wheel I, and the small belt wheel I, the large belt wheel I and the V belt I form belt transmission; the second conveying mechanism comprises a support, a third rotating shaft, a fourth rotating shaft, a second winding drum, a second conveying belt, a third motor, a second small belt wheel, a second large belt wheel and a second V belt, wherein the third rotating shaft is arranged at the front part of the support through a bearing, and the fourth rotating shaft is arranged at the rear part of the support through a bearing; two second winding drums are fixedly connected to the third rotating shaft and the fourth rotating shaft; the second conveyor belt is sleeved on the second winding drum, and the second winding drum and the second conveyor belt form belt conveying; the motor III is arranged on the bracket through bolts and nuts and is used for driving the transmission mechanism II; the small belt wheel II is installed on an output shaft of the motor III through a key, the large belt wheel II is installed on the rotating shaft IV through a key, the V belt is sleeved on the small belt wheel II and the large belt wheel II, and the small belt wheel II, the large belt wheel II and the V belt II form belt transmission.

The supporting device comprises two upright columns, a cross beam, an air pump, an air pipe, a first air outlet, a second air outlet and electromagnetic valves, and the two upright columns are symmetrically arranged on the outer side of the rotating device; the air pump is installed on the stand columns through bolts and nuts, one end of the air pipe is connected to the air pump, the other end of the air pipe is divided into a first air outlet and a second air outlet, and the electromagnetic valve is installed on the stand columns and used for controlling the on-off of air flow.

The seeding device comprises a connecting mechanism, a vibrating device and a seeding box, wherein the connecting mechanism is arranged on the cross beam and comprises a connecting block, a connecting plate and a positioning guide rail, and the connecting block is fixedly connected to the connecting plate; the connecting plate is arranged on the cross beam through a connecting block; two positioning guide rails are arranged and are fixedly connected to two sides of the connecting plate respectively; the vibration device is positioned below the connecting plate and comprises a box frame, ten springs, a motor IV, eccentric wheels, linear guide rails, guide sleeves, a connecting rod I and a connecting rod II, the ten springs are connected between the connecting plate and the box frame, and the motor IV is arranged on the box frame through bolts and nuts and used for driving the vibration device; the eccentric wheel is arranged on an output shaft of the motor IV through a key; the linear guide rail is arranged on the box frame; the guide sleeve is sleeved on the linear guide rail and forms a moving pair with the linear guide rail; one end of the first connecting rod is connected to the eccentric wheel through a bearing, and the other end of the first connecting rod is connected to the guide sleeve through a bearing; one end of the second connecting rod is fixedly connected to the connecting plate, and the other end of the second connecting rod is connected to the guide sleeve through a bearing; the seeding box is arranged on the box frame and comprises a box body, two layers of guide wheels, a first air inlet, a second air inlet, a seed box and a stirring device, the box body is hermetically arranged on the box frame, the two guide wheels are arranged on two sides of the box body through bearings and are matched with the positioning guide rails to form a moving pair, the first air inlet is arranged on the box body, one end of the first air inlet is communicated with the bottom layer of the box body, and the other end of the first air inlet is communicated with the first air outlet; the second air inlet is arranged on the box body, one end of the second air inlet is communicated with the upper layer of the box body, and the other end of the second air inlet is communicated with the second air outlet; fifteen seed boxes are arranged in the box body and comprise seed grooves, seed discharging pipes, first suction holes and second suction holes, and fifteen groups of seed discharging pipes are communicated with the seed grooves; the first suction hole is positioned at the lower part of the seed sowing pipe and communicated with the bottom layer of the box body; the second suction hole is positioned at the upper part of the seed sowing pipe and communicated with the upper layer of the box body; the stirring and gathering device is arranged on the box body and comprises a fifth rotating shaft, brushes, a fifth motor, a first chain wheel, a second chain wheel and chains, fifteen rotating shafts are arranged in the seed grooves through bearings, the brushes are arranged on the fifth rotating shaft, and the fifth motor is arranged on the box body through bolts and nuts and used for driving the stirring and gathering device; the chain wheel I is installed on an output shaft of the motor V through a key, the chain wheel II is fifteen and is installed at one end of the rotating shaft V through a key, the chain is sleeved on the chain wheel I and the chain wheel II, and the chain wheel I, the chain wheel II and the chain form chain transmission.

When in use, a worker adds seeds into the seed box, opens the controller, controls the whole device to start through the controller, the motor three starts to drive the small belt wheel two to rotate, the large belt wheel two rotates to drive the rotating shaft four to rotate, the rotating shaft four rotates to drive the winding drum two to rotate, the rotating shaft three rotates through the conveying belt two and the winding drum two, the whole conveying mechanism two finishes starting, simultaneously the controller starts the motor two, the motor two rotates to drive the small belt wheel one to rotate, the large belt wheel one rotates through the V belt, the large belt wheel rotates to drive the rotating shaft one to rotate, further drives the winding drum one fixedly connected with the rotating shaft one to rotate, the rotating shaft two rotates through the conveying belt one and the winding drum one, the conveying mechanism one finishes starting, the seedling tray is transferred from the conveying belt two to the conveying belt one through the conveying belt, the motor two stops after the conveying is finished, and the motor one rotates, the connecting gear box connected to an output shaft of the seeding device is driven to rotate, the connecting gear box rotates to drive the rotary table to rotate clockwise, the rotary table rotates clockwise to enable the first conveying mechanism to rotate to be under the seeding device, the first motor is controlled to stop through the controller, the fifth motor is simultaneously started, the fifth motor rotates to drive the first chain wheel to rotate, the first chain wheel rotates to drive the second chain wheel to rotate through the chain, the second chain wheel rotates to drive the fifth rotating shaft to rotate, the fifth rotating shaft rotates to drive the hairbrushes on the fifth rotating shaft to rotate, the whole stirring device is started to evenly spread seeds in the seed grooves and control the seeds to fall into the seed discharging pipe, meanwhile, the air pump is started, the controller controls the electromagnetic valve to change the pressure of the bottom layer and the upper layer of the box body, the pressure in the box body is far lower than the external atmospheric pressure, the seeds falling into the seed discharging pipe are adsorbed by, the eccentric wheel rotates to drive a first connecting rod connected to the eccentric wheel to move, the first connecting rod moves to drive the guide sleeve to move along the linear guide rail, the box frame is pushed to move downwards by a second connecting rod connected to the guide sleeve, the box frame moves to drive a guide wheel on the box body to move downwards along the positioning guide rail, so that the seed box reaches the position closest to a seedling tray, the electromagnetic valve is started, the pressure of the bottom layer of the box body is recovered to the atmospheric pressure, the seeds adsorbed by the first suction hole fall into the seedling tray, the electromagnetic valve is started, the seeds adsorbed by the second suction hole fall to the first suction hole to be adsorbed, the second suction hole adsorbs new seeds again, meanwhile, the motor rotates to drive the eccentric wheel to rotate, the eccentric wheel rotates to drive the first connecting rod, the first connecting rod moves to drive the guide sleeve to move along the linear guide rail, the box frame is pulled high by the second connecting rod connected to, simultaneously starting a first motor, driving a connecting gear box connected to an output shaft of the first motor to rotate by rotating the first motor, driving a rotating disc to rotate clockwise by rotating the connecting gear box, driving a first transmission mechanism to align with a second transmission mechanism, driving a first small belt wheel to rotate reversely by rotating the second motor, driving a first large belt wheel to rotate reversely by driving a first large belt wheel through a V belt, driving a first rotating shaft to rotate reversely by the first large belt wheel, further driving a first winding drum fixedly connected to the first rotating shaft to rotate reversely, driving a second rotating shaft to rotate reversely by the first transmission belt and the first winding drum, completing starting of the first transmission mechanism, driving a second small belt wheel to rotate reversely by a third motor, driving a second large belt wheel to rotate reversely by the second V belt, driving a fourth rotating shaft to rotate reversely by the second large belt wheel, driving a second winding drum to rotate reversely by the fourth rotating shaft, and driving a third rotating shaft to rotate reversely, the whole second conveying mechanism is started to transfer the seedling tray from the second conveying mechanism to the second conveying mechanism, and one-time seeding is completed.

The utility model has the advantages that: the utility model adopts the rotating device and the inner and outer two groups of conveying devices to ensure the continuity of seeding of the seedling tray, and avoids the problems of time waste, inaccurate positioning and the like caused by manual replacement of the seedling tray; the seeding device of the utility model comprises a linking mechanism, a vibrating device and a seeding box, wherein the linking mechanism ensures the stability of the seeding process, and a positioning guide rail is arranged on the linking mechanism, so that the accuracy of the position in the vibrating process is ensured; the utility model utilizes the double-air-suction type seeding box, shortens the seeding time and the seeding precision, can complete the seeding of a disc of seeds at one time, and greatly improves the seeding efficiency while protecting the seeds from being damaged; the utility model discloses an inside device of stirring of being equipped with of seed case can prevent that seed case from blockking up when guaranteeing that the seeding is even, and work is more reliable, can improve seeding precision and speed, guarantees the rate of budding and the seedling rate of seed, improves grain output, is expected to the large tracts of land and promotes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention;

fig. 2 is a schematic structural view of the rotating device of the present invention;

fig. 3 is a schematic structural diagram of the conveying mechanism of the present invention;

FIG. 4 is a schematic structural view of a second conveying mechanism of the present invention;

fig. 5 is a schematic structural view of the supporting device of the present invention;

FIG. 6 is a schematic structural view of the seeding device of the present invention;

FIG. 7 is a schematic view of the structure of the seeding box of the present invention;

fig. 8 is a schematic diagram of the structure of the seed box of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the following embodiments and drawings.

As shown in fig. 1 and 2, the double-suction-disc surrounding conveying precision seeding device is characterized in that: the seeding machine comprises a rack 1, a rotating device 2, a conveying device 3, a supporting device 4, a seeding device 5, a controller 6 and a seedling tray 7, wherein the rotating device 2 is arranged on the rack 1 and is used for rotating a first conveying mechanism 31 and the seedling tray 7; the conveying device 3 comprises a first conveying mechanism 31 and a second conveying mechanism 32, six first conveying mechanisms 31 are uniformly arranged on the rotating device 2, four second conveying mechanisms 32 are arranged on the outer side of the rotating device 2 and are horizontally aligned with the first conveying mechanisms 31 for conveying the seedling trays 7; the two supporting devices 4 are symmetrically arranged on the outer side of the rotating device 2; the two seeding devices 5 are respectively arranged on the two supporting devices 4 and are vertically aligned with the first conveying mechanism 31, and are used for precisely seeding the seedling trays 7 on the first conveying mechanism 31; the controller 6 is arranged on the supporting device 4 and used for controlling the device to operate; the seedling tray 7 is placed on the conveying device.

As shown in fig. 1 and fig. 2, the double-suction-disc surrounding conveying precision seeding device is characterized in that: the rotating device 2 comprises a first motor 21, an engaging gear box 22, a roller track 23, a ball 24, a tension ring 25 and a turntable 26, wherein the first motor 21 is arranged on the rack 1 and used for driving the rotating device 2; the connecting gear box 22 is arranged on the rack 1, is connected to an output shaft of the motor I21 through a key and is used for changing the transmission direction of the motor I21; the roller track 23 is arranged on the frame 1, the ball 24 is positioned in the roller track 23, and the turntable 26 is arranged on an output shaft of the connecting gear box 22 through a crushing ring 25 and is in contact with the ball 24.

As shown in fig. 1, fig. 3 and fig. 4, the precision seeding apparatus with double suction cups and surrounding conveying is characterized in that: the conveying device 3 comprises a first conveying mechanism 31 and a second conveying mechanism 32, the first conveying mechanism 31 comprises a first rotating shaft 311, a second rotating shaft 312, a first winding drum 313, a first conveying belt 314, support plates 315, a second motor 316, a first small belt pulley 317, a first large belt pulley 318 and a first V belt 319, the first rotating shaft 311 is mounted on the turntable 26 through a bearing, the second rotating shaft 312 is mounted on the turntable 26 through a bearing, two first winding drums 313 are fixedly connected to the first rotating shaft 311 and the second rotating shaft 312, the first conveying belt 314 is sleeved on the first two winding drums 313, the first winding drum 313 and the first conveying belt 314 form belt conveying, the support plates 315 are fixedly connected to the turntable 26, and the second motor 316 is mounted on the support plates 315 through bolts and nuts; the small belt wheel I317 is arranged on an output shaft of the motor II 316 through a key, the large belt wheel I318 is arranged on a rotating shaft I311 through a key, the small belt wheel I317 and the large belt wheel I318 are sleeved with the V belt I319, and the small belt wheel I317, the large belt wheel I318 and the V belt I319 form belt transmission; the second conveying mechanism 32 comprises a support 321, a third rotating shaft 322, a fourth rotating shaft 323, a second winding drum 324, a second conveying belt 325, a third motor 326, a second small belt wheel 327, a second large belt wheel 328 and a second V belt 329, wherein the third rotating shaft 322 is mounted at the front part of the support 321 through a bearing, and the fourth rotating shaft 323 is mounted at the rear part of the support 321 through a bearing; two second winding drums 324 are fixedly connected to a third rotating shaft 322 and a fourth rotating shaft 323; the second conveyor belt 325 is sleeved on the second winding drum 324, and the second winding drum 324 and the second conveyor belt 325 form belt transmission; the motor III 326 is arranged on the support 321 through bolts and nuts, the small belt wheel II 327 is arranged on an output shaft of the motor III 326 through a key, the large belt wheel II 328 is arranged on the rotating shaft IV 323 through a key, the V belt II 329 is sleeved on the small belt wheel II 327 and the large belt wheel II 328, and the small belt wheel II 327, the large belt wheel II 328 and the V belt II 329 form belt transmission.

As shown in fig. 1 and 5, the double-suction-disc surrounding conveying precision seeding device is characterized in that: the supporting device 4 comprises two upright columns 41, a cross beam 42, an air pump 43, an air pipe 44, a first air outlet 45, a second air outlet 46 and electromagnetic valves 47, and the two upright columns 41 are symmetrically arranged on the outer side of the rotating device 2; the number of the cross beams 42 is two, the cross beams are both arranged on two upright posts 41, the air pump 43 is arranged on the upright posts 41 through bolts and nuts, one end of the air pipe 44 is connected to the air pump 43, the other end of the air pipe is divided into a first air outlet 46 and a second air outlet 47, and the electromagnetic valve 47 is arranged on the upright posts 41 and used for controlling the opening and closing of air flow.

As shown in fig. 1, 6, 7 and 8, the precision seeding apparatus with double suction cups and surrounding conveying is characterized in that: the seeding device 5 comprises an engagement mechanism 51, a vibration device 52 and a seeding box 53, wherein the engagement mechanism 51 is arranged on the cross beam 42, the engagement mechanism 51 comprises an engagement block 511, an engagement plate 512 and a positioning guide rail 513, and the engagement block 511 is fixedly connected to the engagement plate 512; the connecting plates 512 are arranged on the cross beams 42 through connecting blocks 511; two positioning guide rails 513 are respectively fixedly connected to two sides of the connecting plate 512; the vibration device 52 is positioned below the connecting plate 512, the vibration device 52 comprises a box frame 521, springs 522, a motor four 523, an eccentric wheel 524, a linear guide rail 525, a guide sleeve 526, a connecting rod one 527 and a connecting rod two 528, ten springs 522 are connected between the connecting plate 512 and the box frame 521, and the motor four 523 is installed on the box frame 521 through bolts and nuts and is used for driving the vibration device 52; the eccentric wheel 524 is arranged on an output shaft of the motor four 523 through a key; the linear guide rail 525 is arranged on the box frame 521; the guide sleeve 526 is sleeved on the linear guide 525 and forms a moving pair with the linear guide 525; one end of the first connecting rod 527 is connected to the eccentric wheel 524 through a bearing, and the other end of the first connecting rod 527 is connected to the guide sleeve 526 through a bearing; one end of the second connecting rod 528 is fixedly connected to the connecting plate 512, and the other end is connected to the guide sleeve 526 through a bearing; the seeding box 53 is arranged on the box frame 521, the seeding box 53 comprises a box body 531, two layers of guide wheels 532, a first air inlet 533, a second air inlet 534, a box 535 and a stirring device 536, the box body 531 is hermetically arranged on the box frame 521, the two layers of guide wheels 532 are arranged on two sides of the box body 531 through bearings and are matched with the positioning guide rail 513 to form a moving pair, the first air inlet 533 is arranged on the box body 531, one end of the first air inlet is communicated with the bottom layer of the box body 531, and the other end of the first air inlet is communicated with the first air outlet 45; the second air inlet 534 is arranged on the box body 531, one end of the second air inlet is communicated with the upper layer of the box body 531, and the other end of the second air inlet is communicated with the second air outlet 46; fifteen seed boxes 535 are arranged in the box body 531, each seed box 535 comprises a seed groove 5351, a seed discharging pipe 5352, a first suction hole 5353 and a second suction hole 5354, and fifteen groups of seed discharging pipes 5352 are communicated with the seed grooves 5351; the first suction hole 5353 is positioned at the lower part of the seed sowing pipe 5352 and is communicated with the bottom layer of the box body 531; the second suction hole 5354 is positioned at the upper part of the seed sowing pipe 5352 and is communicated with the upper layer of the box body 531; the stirring device 536 is installed on the box 531, the stirring device 536 comprises five rotating shafts 5361, five brushes 5362, five motors 5363, one chain wheel 5364, two chain wheels 5365 and a chain 5366, fifteen rotating shafts 5361 are all installed in the seed tank 5351 through bearings, the five brushes 5362 are installed on the five rotating shafts 5361, and the five motors 5363 are installed on the box 531 through bolts and nuts and used for driving the stirring device 536; the first chain wheel 5364 is mounted on an output shaft of the fifth motor 5363 through a key, the second chain wheel 5365 is fifteen and is mounted at one end of the fifth rotating shaft 5361 through a key, the chain 5366 is sleeved on the first chain wheel 5364 and the second chain wheel 5365, and the first chain wheel 5364, the second chain wheel 5365 and the chain 5366 form a chain transmission.

The use process comprises the following steps: the worker adds seeds into the seed box 535, opens the controller 6, controls the whole device to start through the controller 6, starts the motor three 326 to drive the small belt wheel two 327 to rotate, drives the large belt wheel two 328 to rotate through the V belt two 329, drives the rotating shaft four 323 to rotate, drives the rotating shaft three 322 to rotate through the conveying belt two 325 and the rotating shaft two 324, the whole conveying mechanism two 32 finishes starting, simultaneously, the controller 6 starts the motor two 316, drives the small belt wheel one 317 to rotate through the rotating shaft two 316, drives the large belt wheel one 318 to rotate through the V belt one 319, drives the rotating shaft one 311 to rotate through the rotating shaft one 318, further drives the rotating shaft one 313 fixedly connected with the rotating shaft one 311 to rotate, drives the rotating shaft two 312 to rotate through the conveying belt one 314 and the rotating shaft one 313, starts the conveying mechanism one 31, transfers the seedling tray 7 from the conveying belt two 325 to the conveying belt one 314 through the conveying belt, after the transmission is finished, the second motor 316 stops, the first motor 21 rotates to drive the connecting gear box 22 connected to the output shaft of the first motor to rotate, the connecting gear box 22 rotates to drive the turntable 26 to rotate clockwise, the turntable 26 rotates clockwise to rotate the first transmission mechanism 31 to be positioned under the sowing device 5, the first motor 21 is controlled to stop through the controller 6, meanwhile, the fifth motor 5363 is started, the fifth motor 5363 rotates to drive the first chain wheel 5364 to rotate, the first chain wheel 5364 rotates to drive the second chain wheel 5365 to rotate through the chain 5366, the second chain wheel 5365 rotates to drive the fifth rotating shaft 5361 to rotate, the fifth rotating shaft 61 rotates to drive the hairbrush 5362 on the fifth rotating shaft to rotate, the whole stirring device 536 is started to uniformly spread the seeds in the seed groove 5351 and control the seeds to fall into the seed discharge pipe 5352, meanwhile, the air pump 43 starts, the electromagnetic valve 47 is controlled by the controller 6 to change the pressure of the bottom layer and the, the seeds falling into the seeding tube 5352 are absorbed by the first suction hole 5353 and the second suction hole 5354 on the seeding tube 5352, meanwhile, the motor four 523 is started, the motor four 523 rotates to drive the eccentric wheel 524 to rotate, the eccentric wheel 524 rotates to drive the first connecting rod 527 connected to the eccentric wheel 524 to move, the first connecting rod 527 moves to drive the guide sleeve 526 to move along the linear guide rail 525, the box frame 521 is pushed to move downwards by the second connecting rod 528 connected to the guide sleeve 526, the box frame 521 moves to drive the guide wheel 532 on the box body 531 to move downwards along the positioning guide rail 513, so that the box body 535 reaches the nearest part to the seedling tray 7, at the moment, the electromagnetic valve 47 is started to restore the pressure at the bottom layer of the box body 531 to the atmospheric pressure, the seeds absorbed by the first suction hole 5353 fall into the seedling tray 7, the electromagnetic valve 47 is started to make the seeds absorbed by the second suction hole 5354 fall into the first suction hole 5353 to be absorbed, the new seeds are, the eccentric wheel 524 rotates to drive the first connecting rod 527 to move, the first connecting rod 527 moves to drive the guide sleeve 526 to move along the linear guide rail 525, the box frame 521 is pulled up through the second connecting rod 528 connected to the guide sleeve 526, the box frame 521 moves to drive the guide wheel 532 on the box body 531 to move upwards along the positioning guide rail 513, the box 535 is pulled up, meanwhile, the first motor 21 is started, the first motor 21 rotates to drive the connecting gear box 22 connected to the output shaft of the first motor to rotate, the connecting gear box 22 rotates to drive the rotating disc 26 to rotate clockwise, the first conveying mechanism 31 is rotated to the position corresponding to the next second conveying mechanism 32, the second motor 316 rotates in reverse direction to drive the first small belt wheel 317 to rotate in reverse direction, the first large belt wheel 318 rotates in reverse direction through the first V belt 319, the first large belt wheel 318 rotates in reverse direction to drive the first, the first conveying belt 314 and the first winding drum 313 drive the second rotating shaft 312 to rotate reversely, the first conveying mechanism 31 is started, the third motor 326 rotates reversely to drive the second small belt wheel 327 to rotate reversely, the second V belt 329 drives the second large belt wheel 328 to rotate reversely, the second large belt wheel 328 rotates reversely to drive the fourth rotating shaft 323 to rotate reversely, the fourth rotating shaft 323 rotates reversely to drive the second winding drum 324 to rotate reversely, the second conveying belt 325 and the second winding drum 324 drive the third rotating shaft 322 to rotate reversely, the second whole conveying mechanism 32 is started, the seedling tray 7 is transferred from the first conveying mechanism 31 to the second conveying mechanism 32, and one-time seeding is completed.

Claims (5)

1. The utility model provides a two suction cups encircle carries precision seeding device which characterized in that: including frame, rotary device, conveyer, strutting arrangement, seeder, controller and seedling dish, rotary device install in the frame, conveyer include transport mechanism one and transport mechanism two, transport mechanism one have six, evenly install on rotary device, transport mechanism two have four, all be located the rotary device outside, and align with a transport mechanism level, strutting arrangement have two, the symmetry is placed in rotary device's the outside, seeder have two, install respectively on two strutting arrangements, and align from top to bottom with transport mechanism one, the controller install on strutting arrangement, the seedling dish place on conveyer.

2. The double-suction-disc surrounding conveying precision seeding device according to claim 1, wherein: the rotating device comprises a first motor, a linking gear box, a roller track, a ball, a first breaking ring and a rotary table, the first motor is installed on the frame, the linking gear box is installed on the frame and connected to an output shaft of the first motor through a key, the roller track is arranged on the frame, the ball is located in the roller track, and the rotary table is installed on the output shaft of the linking gear box through the first breaking ring and is in contact with the ball.

3. The double-suction-disc surrounding conveying precision seeding device according to claim 1, wherein: the first conveying mechanism comprises a first rotating shaft, a second rotating shaft, a first winding drum, a first conveying belt, a first supporting plate, a second motor, a first small belt wheel, a first large belt wheel and a first V belt, the first rotating shaft is installed on a rotary table through a bearing, the second rotating shaft is installed on the rotary table through a bearing, the first winding drum is provided with two winding drums and is fixedly connected to the first rotating shaft and the second rotating shaft, the first conveying belt is sleeved on the first winding drum, the first winding drum and the first conveying belt form belt conveying, the supporting plate is fixedly connected to the rotary table, the second motor is installed on the supporting plate through bolt nuts, the first small belt wheel is installed on an output shaft of the second motor through a key, the first large belt wheel is installed on the first rotating shaft through a key, the first V belt is sleeved on the first small belt wheel and the first large belt wheel, the first small belt wheel, the first large belt wheel and the first V belt form belt transmission, and the second conveying, The novel belt conveyor comprises a third rotating shaft, a fourth rotating shaft, a second winding drum, two conveying belts, a third motor, a second small belt wheel, a second large belt wheel and a second V belt, wherein the third rotating shaft is arranged on the front portion of the support through a bearing, the fourth rotating shaft is arranged on the rear portion of the support through a bearing, the two winding drums are provided with two conveying belts which are fixedly connected to the third rotating shaft and the fourth rotating shaft, the two conveying belts are sleeved on the two winding drums, the two winding drums and the second conveying belts form belt conveying, the third motor is arranged on the support through bolt nuts, the second small belt wheel is arranged on an output shaft of the third motor through keys, the second large belt wheel is arranged on the fourth rotating shaft through keys, the second V belt is sleeved on the second small belt wheel and the second large belt wheel, and the second small belt wheel, the second large belt wheel and the second.

4. The double-suction-disc surrounding conveying precision seeding device according to claim 1, wherein: the supporting device comprises two stand columns, two cross beams, two air pumps, a first air outlet, a second air outlet and two electromagnetic valves, the stand columns are symmetrically arranged on the outer side of the rotating device, the cross beams are arranged and are installed on the two stand columns, the air pumps are installed on the stand columns through bolts and nuts, one ends of the air pipes are connected to the air pumps, the other ends of the air pipes are divided into the first air outlet and the second air outlet, and the electromagnetic valves are installed on the stand columns.

5. The double-suction-disc surrounding conveying precision seeding device according to claim 1, wherein: the seeding device comprises a linking mechanism, a vibrating device and a seeding box, the linking mechanism is installed on a cross beam, the linking mechanism comprises a linking block, a linking plate and two positioning guide rails, the linking block is fixedly connected to the linking plate, the linking plate is installed on the cross beam through the linking block, the two positioning guide rails are fixedly connected to two sides of the linking plate respectively, the vibrating device is located below the linking plate, the vibrating device comprises a box frame, a spring, a motor IV, an eccentric wheel, a linear guide rail, a guide sleeve, a first connecting rod and a second connecting rod, the spring has ten parts which are connected between the linking plate and the box frame, the motor IV is installed on the box frame through a bolt and a nut, the eccentric wheel is installed on an output shaft of the motor IV through a key, the linear guide rail is installed on the box frame, the guide sleeve is sleeved on the linear guide rail and forms a moving pair with the linear guide rail, one end of the first connecting rod is connected to the eccentric wheel through a bearing, the other end of the first connecting rod is connected to the guide sleeve through a bearing, one end of the second connecting rod is fixedly connected to the connecting plate, the other end of the second connecting rod is connected to the guide sleeve through a bearing, the sowing box is installed on the box frame and comprises a box body, two guide wheels, a first air inlet, a second air inlet, a box body and a stirring device, the box body is two-layered and is hermetically installed on the box frame, the two guide wheels are installed on two sides of the box body through bearings and matched with the positioning guide rails to form a moving pair, the first air inlet is installed on the box body, one end of the first air inlet is communicated with the bottom of the box body, the other end of the first air inlet is communicated with the first air outlet, one end of the second air inlet is communicated with the upper layer of the box body, the other end of, The seed metering pipe, inhale hole one, inhale hole two, the seed metering pipe have fifteen groups, all communicate on kind of groove, inhale hole one be located the lower part of seed metering pipe, and communicate with each other with the box bottom, inhale hole two be located the upper portion of seed metering pipe, and communicate with each other with the box upper strata, the device of holding together of stirring install on the box, the device of holding together of stirring include pivot five, brush, motor five, sprocket one, sprocket two and chain, pivot five have fifteen, all install at kind of inslot through the bearing, the brush install on pivot five, motor five install on the box through bolt and nut for the drive is stirred the device, sprocket one install on the output shaft of motor five through the key, sprocket two have fifteen, all install the one end at pivot five through the key, the chain cover on sprocket one and sprocket two, sprocket one, The second chain wheel and the chain form chain transmission.

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