CN108353583B

CN108353583B - Rice transplanter with pull-type reseeding machine

Info

Publication number: CN108353583B
Application number: CN201810206493.2A
Authority: CN
Inventors: 韩帅飞
Original assignee: Tongxiang Changxin Agricultural Machinery Specialized Cooperatives
Current assignee: TONGXIANG CHANGXIN AGRICULTURAL MACHINERY SPECIALIZED COOPERATIVES
Priority date: 2018-03-13
Filing date: 2018-03-13
Publication date: 2020-11-06
Anticipated expiration: 2038-03-13
Also published as: CN108353583A

Abstract

The invention discloses a rice transplanter with a towed seed replenishing machine, which comprises a rack, a traveling device, a seedling box, a seedling feeding mechanism and a seedling separating and transplanting mechanism, wherein a boat deck and an inclined plate are arranged on the rack; the reseeding mechanism is internally provided with a reseeding cavity, the reseeding cavity is internally provided with a plurality of fifth conveyor belts, and a reseeding seedling door and a reseeding seedling pre-loading box which are positioned at two ends of the fifth conveyor belts and correspond to the fifth conveyor belts one by one, the side surface of the reseeding seedling door is provided with a second light contact switch, a reseeding cylinder is arranged above the reseeding seedling door, and the front side below each reseeding seedling door is provided with a pair of photoelectric detection devices. The rice transplanter can replant the seedling lacking part when the seedling lacks, thereby reducing the labor cost of manual replanting.

Description

Rice transplanter with pull-type reseeding machine

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a rice transplanter with a dragging type seed replenishing machine.

Background

A rice transplanter is an agricultural machine for planting rice seedlings into rice fields. The existing rice transplanter generally comprises a frame, a walking device, a seedling box, a seedling feeding mechanism and a seedling separating and transplanting mechanism. When planting, the seedling conveying mechanism conveys seedlings to the seedling door, the transplanting mechanism plants the seedlings in the range of the seedling door into soil in a field, and in order to keep the right angle between a seedling bed and the ground, the front end of a mechanical claw of the transplanting mechanism generally adopts an elliptic action curve when moving. The motion is completed by a planetary mechanism of a rotary or deformation gear, and the advancing engine can drive the motion machines at the same time.

The existing rice transplanter is generally characterized in that a plurality of rice seedling boxes are integrated when in transplanting, the rice seedling boxes move together to ensure that a row of rice seedlings are gradually aligned with a rice seedling gate, a seedling transplanting mechanism transplants the rice seedlings within the range of the rice seedling gate into soil in a field, after a row of rice seedlings are transplanted, the rice seedlings are driven by a seedling conveying mechanism to move downwards, and the rice seedlings in the next row continuously enter the range of the rice seedling gate and are transplanted into the soil in the field through the seedling transplanting mechanism. The seedling block of the seedling planting machine is required to be regularly raised, if the seedling block lacks seedlings, the condition of seedling shortage can be caused during the seedling planting, and manual replanting is needed. Meanwhile, the end surface of the seedling block of the existing seedling planting machine after being planted is loosened, the seedling can fall off, and the seedling shortage of the next row of seedlings can be easily caused during the seedling planting.

Because the manual seedling replanting consumes a great amount of labor cost, the development of a transplanter which has a seedling shortage condition during the seedling transplanting is very necessary.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the rice transplanter with the towing type reseeding machine, which can reseed the seedling lacking part when the seedling lacking occurs, and reduces the labor cost of manual reseeding.

In order to solve the technical problem, the invention is solved by the following technical scheme: a rice transplanter with a towed reseeding machine comprises a rack, a traveling device, a seedling box, a seedling feeding mechanism and a seedling separating and transplanting mechanism, wherein a boat deck and an inclined plate are arranged on the rack, the seedling box is internally provided with the seedling feeding mechanism, the boat deck is provided with a plurality of seedling doors and the seedling separating and transplanting mechanism, the rack is connected with the towed reseeding machine, and the towed reseeding machine comprises a top plate, a towing rod, a reseeding mechanism and an adjustable towing wheel; the top plate is connected with the towing rod, and the towing rod is horizontally positioned on the rack; a guide hole perpendicular to the towing rod is formed in the top plate, a guide rod matched with the guide hole in a sliding mode is arranged on the reseeding mechanism, a pressure gauge is arranged on the top plate, and a damping spring is arranged between the reseeding mechanism and a bottom plate of the pressure gauge; the adjustable dragging wheels are arranged on two sides of the reseeding mechanism and comprise a central shaft, a fixed block, a sliding block, a first rotating rod, a second rotating rod, a wheel hub piece and a fourth linear driver, the fixed block is fixed on the central shaft, a first bearing is arranged on the outer side of the fixed block, the sliding block is arranged on the central shaft in a sliding mode, a second bearing is arranged on the outer side of the sliding block, one end of the first rotating rod is hinged to the second bearing, the other end of the first rotating rod is hinged to the second bearing, the wheel hub piece is fixed on the other end of the first rotating rod, one end of the second rotating rod is hinged to the first bearing, the other end of the; a reseeding cavity is arranged in the reseeding mechanism, a plurality of fifth conveyor belts, and reseeding seedling doors and reseeding seedling pre-boxing which are positioned at two ends of the fifth conveyor belts and correspond to the fifth conveyor belts one by one are arranged in the reseeding cavity, a second light contact switch is arranged on the side surface of each reseeding seedling door, reseeding cylinders are arranged above the reseeding seedling doors, a pair of photoelectric detection devices are arranged on the front side below each reseeding seedling door, and the reseeding cylinders are respectively controlled by electromagnetic valves; a sixth conveying belt is arranged above the fifth conveying belt, a plurality of guide pipes are arranged on the sixth conveying belt, a plurality of seedling pressing contact pins are arranged in the guide pipes, the fifth conveying belt is driven by a fourth motor, the sixth conveying belt is driven by a fifth motor, electromagnets used for attracting the seedling pressing contact pins are arranged below the upper surface of the fifth conveying belt, and the pressure gauge, the fourth linear driver, the photoelectric detection device, the electromagnetic valve, the second light touch switch, the fourth motor and the fifth motor are all connected with a first control device. According to the dragging type seedling supplementing machine of the rice transplanter during seedling transplanting, the pressure gauge can detect the pressure of the damping spring on the top plate, the diameter of the adjustable dragging wheel can be adjusted by adjusting the telescopic length of the fourth linear driver through the first control device, the pressure between the seed supplementing mechanism and the top plate is set through the feedback of the pressure gauge, the large-amplitude vibration of the seed supplementing mechanism when the pressure between the seed supplementing mechanism and the top plate is too small is prevented, the large-amplitude vibration of the seed supplementing mechanism when a seed supplementing cylinder replenishes seeds is prevented, the ground gripping force of the adjustable dragging wheel is ensured, and the adjustable dragging wheel can rotate; the towed seed replenishing machine can be adapted to rice transplanters with different heights through the structure, and the pressure between the seed replenishing mechanism and the top plate can be ensured to be consistent when the rice transplanters are connected; when the device is operated, the end parts of seedling blocks are downwards respectively placed into a reseeding seedling pre-loading box, the seedling blocks are conveyed to be abutted against a second light-touch switch through the transmission of a fifth conveyor belt and the positioning of seedling pressing contact pins on a sixth conveyor belt, the seedling pressing contact pins on the sixth conveyor belt penetrate through the seedling blocks and are inserted into the fifth conveyor belt to realize the positioning of the seedling blocks, the seedling blocks are prevented from tilting, the puncturing force of the seedling pressing contact pins can be adjusted through the strength adjustment of electromagnets, the seedling blocks with different thicknesses can be ensured to penetrate through, the seedling pressing contact pins cannot be inserted too deeply into the fifth conveyor belt, and the seedling pressing contact pins can enter a guide pipe due to gravity when the seedling pressing contact pins are positioned on the upper side of the sixth conveyor belt, so that the height; through the detection of the photoelectric detection device, when the photoelectric detection devices detect seedlings and one or more pairs of the photoelectric detection devices do not detect the seedlings, the seedling is inserted into soil from the seedling supplementing door by the pneumatic corresponding seedling supplementing cylinder and then retracts, the fifth conveyor belt continues to convey the seedling block to the seedling supplementing door, and the photoelectric detection devices continue to detect the seedlings and supplement the seedlings at the seedling lacking positions.

In the above technical solution, preferably, the rack is provided with a vertical slide rail, the vertical slide rail is provided with a lifting frame in a sliding manner, and a first linear driver is arranged between the lifting frame and the rack; the tail part of the lifting frame is provided with the boat plate and the inclined plate, the upper end of the inclined plate is fixed on the lifting frame, the lower end of the inclined plate is fixed on the upper surface of the boat plate, the inclined plate is provided with a plurality of first slide rails, the lifting frame is provided with a plurality of second slide rails, the first slide rails are provided with a plurality of seedling boxes, the inclined plate is provided with a plurality of second linear drivers, the output ends of the second linear drivers are respectively and fixedly connected with the seedling boxes, the second slide rails are provided with a plurality of seedling pre-packing boxes, the seedling boxes are fixedly connected with the seedling pre-packing boxes in a one-to-one correspondence manner, an adjusting gap is formed between every two adjacent seedling boxes, one side of each seedling pre-packing box, facing the seedling box, is provided with an opening, the two sides of each seedling door are provided with third slide rails parallel, the seedling supports the backup plate and is connected with third linear drive ware, the seedling supports to support the board and is close to seedling door side is provided with the first light touch switch that is used for detecting the seedling, is located seedling door both sides the seedling supports to support the board and supports the terminal surface after leaning on seedling piece transplanting of rice seedlings, another seedling supports the backup plate and supports the terminal surface before leaning on seedling piece transplanting of rice seedlings. In this transplanter each seedling case is the isolated design alone, and a seedling case corresponds a seedling door, detects control seedling case through the seedling of seedling incasement and the touching of first light touch switch and stops sliding, prevents to lack the seedling to at the in-process of transplanting rice seedlings, be located seedling door both sides the seedling supports to lean on the board one to support and leans on the terminal surface after the seedling piece is transplanted rice seedlings, another the seedling supports to lean on the board to support and leans on the terminal surface before the seedling piece is transplanted rice seedlings, thereby prevents that the terminal surface of the seedling piece after being transplanted rice seedlings is not hard up, prevents that the seedling from dropping, thereby prevents to lack the seedling.

In the above technical scheme, preferably, the second linear drivers are all located on the lower side of the inclined plate, the inclined plate is provided with a plurality of strip-shaped through holes, and the output ends of the second linear drivers penetrate through the strip-shaped through holes and are connected with the seedling box. The adoption of the structure enables the second linear driver to be convenient to install and maintain.

In the above technical scheme, preferably, the bottom of the seedling pre-loading box is provided with a first conveyor belt, the first conveyor belt is driven by a first motor, a seedling roll partition device is arranged in the seedling pre-loading box and comprises two pairs of second conveyor belts which are oppositely arranged, a support rod is arranged between each pair of the second conveyor belts, and the second conveyor belts are driven by a second motor. Adopt this structure to make the seedling piece of bottom and other seedling pieces of top can cut off in the seedling prepackage box to guarantee that the rotation that the seedling piece of bottom can be smooth and easy shakeouts the seedling piece, when the seedling piece of bottom shifts out completely, the second conveyer belt drives the bracing piece and rotates the round, rolls up the seedling of bottommost and drops and lift up the seedling book of next to last, realizes that the seedling piece in the seedling prepackage box is automatic to be spread out the seedling.

In the above technical scheme, preferably, the seedling feeding mechanism includes a third conveyor belt, a seedling pressing device is arranged above the third conveyor belt, the seedling pressing device includes a pair of fourth conveyor belts which are arranged oppositely, a plurality of seedling pressing rods are arranged between the fourth conveyor belts, a plurality of seedling pressing needles are arranged on the seedling pressing rods, a plurality of limiting blocks are arranged on two sides of the third conveyor belt, the limiting blocks are in contact with the seedling pressing rods and then push the fourth conveyor belt to rotate, and the third conveyor belt is driven by a third motor. In the process that the third conveyor belt drives the seedling plate to move forwards, because the third conveyor belt is not arranged at the seedling door, the front end of the seedling plate is possibly propped against the seedling box in the advancing process, so that the front end of the seedling plate does not move forwards only because the rear end of the seedling plate tilts up in the rotating process of the third conveyor belt, and the seedling shortage is caused; adopt this structure to drive the rotation of fourth conveyer belt through the third conveyer belt, the pressure seedling needle on the fourth conveyer belt passes the seedling piece and inserts the third conveyer belt and flatten the seedling piece on the third conveyer belt, prevents to drive the in-process that the fourth conveyer belt rotated at the third conveyer belt, and the perk of seedling board leads to lacking the seedling to adopt the damage of pressure seedling needle to the seedling is little, guarantees the seedling survival rate after transplanting seedlings.

In the above technical solution, preferably, the third conveyor belt is provided with a plurality of protruding needles. Adopt this structure to make the third conveyer belt can catch the seedling piece when the conveying, prevent relative movement between third conveyer belt and the seedling piece, guarantee the accuracy of conveying.

In the above technical scheme, preferably, the seedling pressing rod is provided with a guide channel, and the seedling pressing needle is arranged in the guide channel; when the seedling pressing rod is located on the upper side of the fourth conveyor belt, the needle point of the seedling pressing needle is located in the guide channel, and when the seedling pressing rod is located on the lower side of the fourth conveyor belt, the needle point of the seedling pressing needle naturally falls down to penetrate through a seedling block and is inserted into the third conveyor belt. Because the end of the seedling pressing needle is pointed, if the end is not protected upwards, the seedling pressing rod is quite dangerous, the structure is adopted, the seedling pressing rod is positioned on the upper side of the fourth conveyor belt, the needle point of the seedling pressing needle is positioned in the guide channel, so that the damage to a human body when the needle point of the seedling pressing needle is upwards is prevented, and the safety is improved.

In the above technical scheme, preferably, vertical sliding grooves are formed in the side walls of the seedling box on the two sides of the fourth conveyor belt, sliding blocks are arranged in the vertical sliding grooves, the sliding blocks are rotatably connected with the conveying wheels of the fourth conveyor belt, and adjusting screws penetrating through the sliding blocks are rotatably arranged in the vertical sliding grooves. Because the needle point of the seedling pressing needle falls naturally, the piercing force of the seedling pressing needle can be adjusted by adjusting the height, so that the seedling pressing needle can be adapted to seedling blocks with different thicknesses, the fourth conveyor belt is adjusted to be lowered when the thickness of the seedling block is smaller, the piercing force of the seedling pressing needle is reduced, the seedling pressing needle is prevented from penetrating into the third conveyor belt too deeply, the fourth conveyor belt is increased to increase the piercing force of the seedling pressing needle when the thickness of the seedling block is larger, and the seedling pressing needle can penetrate through the seedling block and be inserted into the third conveyor belt.

In the above technical solution, preferably, the front end of the frame is provided with a driving device and a steering wheel, the traveling device is two pairs of blade-type rotating wheels, and the blade-type rotating wheels are driven by the driving device.

Compared with the prior art, the invention has the following beneficial effects: according to the dragging type seedling supplementing machine of the rice transplanter during seedling transplanting, the pressure gauge can detect the pressure of the damping spring on the top plate, the diameter of the adjustable dragging wheel can be adjusted by adjusting the telescopic length of the fourth linear driver through the first control device, the pressure between the seed supplementing mechanism and the top plate is set through the feedback of the pressure gauge, the large-amplitude vibration of the seed supplementing mechanism when the pressure between the seed supplementing mechanism and the top plate is too small is prevented, the large-amplitude vibration of the seed supplementing mechanism when a seed supplementing cylinder replenishes seeds is prevented, the ground gripping force of the adjustable dragging wheel is ensured, and the adjustable dragging wheel can rotate; the towed seed replenishing machine can be adapted to rice transplanters with different heights through the structure, and the pressure between the seed replenishing mechanism and the top plate can be ensured to be consistent when the rice transplanters are connected; when the device is operated, the end parts of seedling blocks are downwards respectively placed into a reseeding seedling pre-loading box, the seedling blocks are conveyed to be abutted against a second light-touch switch through the transmission of a fifth conveyor belt and the positioning of seedling pressing contact pins on a sixth conveyor belt, the seedling pressing contact pins on the sixth conveyor belt penetrate through the seedling blocks and are inserted into the fifth conveyor belt to realize the positioning of the seedling blocks, the seedling blocks are prevented from tilting, the puncturing force of the seedling pressing contact pins can be adjusted through the strength adjustment of electromagnets, the seedling blocks with different thicknesses can be ensured to penetrate through, the seedling pressing contact pins cannot be inserted too deeply into the fifth conveyor belt, and the seedling pressing contact pins can enter a guide pipe due to gravity when the seedling pressing contact pins are positioned on the upper side of the sixth conveyor belt, so that the height; through the detection of the photoelectric detection device, when the photoelectric detection devices detect seedlings and one or more pairs of the photoelectric detection devices do not detect the seedlings, the seedling is inserted into soil from the seedling supplementing door by the pneumatic corresponding seedling supplementing cylinder and then retracts, the fifth conveyor belt continues to convey the seedling block to the seedling supplementing door, and the photoelectric detection devices continue to detect the seedlings and supplement the seedlings at the seedling lacking positions.

Drawings

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

Fig. 2 is a schematic view of the overall structure of the lifting frame after the lifting frame is lifted in the embodiment of the invention.

Fig. 3 is a schematic view of the connection structure of the sloping plate, the seedling box, the seedling pre-box and the boat plate in the embodiment of the invention.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic structural diagram of the second linear actuator mounted on the swash plate in the embodiment of the present invention.

Fig. 6 is a sectional view of a seedling prepackaging box in accordance with an embodiment of the present invention.

FIG. 7 is a schematic structural view of a seedling roll cutting device in the embodiment of the invention.

FIG. 8 is a schematic structural view of a seedling feeding mechanism according to an embodiment of the present invention.

Fig. 9 is a partial cross-sectional view of a fourth conveyor belt in an embodiment of the invention.

FIG. 10 is a cross-sectional view of a pull-type seedling feeder according to an embodiment of the present invention.

FIG. 11 is another sectional view of the pull-type seedling feeder according to another embodiment of the present invention.

Fig. 12 is a sectional view of a sixth conveyor belt in an embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 12, a rice transplanter with a towed reseeding machine comprises a frame 1, a traveling device 2, a seedling box 3, a seedling feeding mechanism 4 and a seedling separating and transplanting mechanism 5, wherein a boat deck 14 and an inclined plate 15 are arranged on the frame 1, the seedling box 3 is internally provided with the seedling feeding mechanism 4, the boat deck 14 is provided with a plurality of seedling doors 141 and the seedling separating and transplanting mechanism 5, the frame 1 is connected with a towed reseeding machine 7, and the towed reseeding machine 7 comprises a top plate 71, a towing rod 72, a reseeding mechanism 73 and an adjustable towing wheel 74; the top plate 71 is connected with the towing rod 72, and the towing rod 72 is horizontally positioned on the frame 1; a guide hole 711 perpendicular to the towing rod 72 is formed in the top plate 71, a guide rod 731 which is matched with the guide hole 711 in a sliding manner is formed in the reseeding mechanism 73, a pressure gauge 712 is formed in the top plate 71, and a damping spring 75 is arranged between the reseeding mechanism 73 and a bottom plate of the pressure gauge 712; the adjustable drag wheel 74 is arranged on both sides of the reseeding mechanism 73, the adjustable drag wheel 74 includes a central shaft 741, a fixed block 742, a sliding block 743, a first rotating rod 744, a second rotating rod 745, a hub sheet 746, and a fourth linear driver 747, the fixed block 742 is fixed on the central shaft 741 and a first bearing 748 is arranged on the outer side, the sliding block 743 is slidably arranged on the central shaft 741 and a second bearing 749 is arranged on the outer side, one end of the first rotating rod 744 is hinged to the second bearing 749 and the other end is fixed to the hub sheet 746, one end of the second rotating rod 745 is hinged to the first bearing and the other end is hinged to the first rotating rod 744, and the output end of the fourth linear driver 747 is connected to the sliding block 743; a reseeding cavity 76 is arranged in the reseeding mechanism 73, a plurality of fifth conveyor belts 761, and a reseeding seedling door 762 and a reseeding seedling pre-loading box 763 which are located at two ends of the fifth conveyor belts 761 and correspond to the fifth conveyor belts 761 in a one-to-one manner are arranged in the reseeding cavity 76, a second light touch switch 764 is arranged on the side surface of the reseeding seedling door 762, a reseeding cylinder 765 is arranged above each reseeding seedling door 762, a pair of photoelectric detection devices 766 are arranged on the front side below each reseeding seedling door 762, and the reseeding cylinders 765 are connected with a compressed air cylinder or an air pump and are respectively controlled by electromagnetic valves; a sixth conveyor belt 767 is arranged above the fifth conveyor belt 761, a plurality of guide pipes 768 are arranged on the sixth conveyor belt 767, a plurality of seedling pressing pins 769 are arranged in the guide pipes 768, the fifth conveyor belt 761 is driven by a fourth motor, the sixth conveyor belt 767 is driven by a fifth motor, an electromagnet 77 for attracting the seedling pressing pins 769 is arranged below the upper surface of the fifth conveyor belt 761, and the pressure gauge 712, the fourth linear driver 747, the photoelectric detection device 766, the electromagnetic valve, the second tact switch 764, the fourth motor and the fifth motor are all connected with a first control device. According to the dragging type seedling supplementing machine of the rice transplanter during seedling transplanting, the pressure gauge can detect the pressure of the damping spring on the top plate, the diameter of the adjustable dragging wheel can be adjusted by adjusting the telescopic length of the fourth linear driver through the first control device, the pressure between the seed supplementing mechanism and the top plate is set through the feedback of the pressure gauge, the large-amplitude vibration of the seed supplementing mechanism when the pressure between the seed supplementing mechanism and the top plate is too small is prevented, the large-amplitude vibration of the seed supplementing mechanism when a seed supplementing cylinder replenishes seeds is prevented, the ground gripping force of the adjustable dragging wheel is ensured, and the adjustable dragging wheel can rotate; the towed seed replenishing machine can be adapted to rice transplanters with different heights through the structure, and the pressure between the seed replenishing mechanism and the top plate can be ensured to be consistent when the rice transplanters are connected; when the device is operated, the end parts of seedling blocks are downwards respectively placed into a reseeding seedling pre-loading box, the seedling blocks are conveyed to be abutted against a second light-touch switch through the transmission of a fifth conveyor belt and the positioning of seedling pressing contact pins on a sixth conveyor belt, the seedling pressing contact pins on the sixth conveyor belt penetrate through the seedling blocks and are inserted into the fifth conveyor belt to realize the positioning of the seedling blocks, the seedling blocks are prevented from tilting, the puncturing force of the seedling pressing contact pins can be adjusted through the strength adjustment of electromagnets, the seedling blocks with different thicknesses can be ensured to penetrate through, the seedling pressing contact pins cannot be inserted too deeply into the fifth conveyor belt, and the seedling pressing contact pins can enter a guide pipe due to gravity when the seedling pressing contact pins are positioned on the upper side of the sixth conveyor belt, so that the height; through the detection of the photoelectric detection device, when the photoelectric detection devices detect seedlings and one or more pairs of the photoelectric detection devices do not detect the seedlings, the seedling is inserted into soil from the seedling supplementing door by the pneumatic corresponding seedling supplementing cylinder and then retracts, the fifth conveyor belt continues to convey the seedling block to the seedling supplementing door, and the photoelectric detection devices continue to detect the seedlings and supplement the seedlings at the seedling lacking positions.

A vertical slide rail 11 is arranged on the rack 1, a lifting frame 12 is arranged on the vertical slide rail 11 in a sliding manner, and a first linear driver 13 is arranged between the lifting frame 12 and the rack 1; the tail part of the lifting frame 12 is provided with the boat plate 14 and the inclined plate 15, the upper end of the inclined plate 15 is fixed on the lifting frame 12, the lower end of the inclined plate 15 is fixed on the upper surface of the boat plate 14, the inclined plate 15 is provided with a plurality of first slide rails 16, the lifting frame 12 is provided with a plurality of second slide rails 17, the first slide rails 16 are provided with a plurality of seedling boxes 3, the inclined plate 15 is provided with a plurality of second linear drivers 151, the output ends of the second linear drivers 151 are respectively and fixedly connected with the seedling boxes 3, the second slide rails 17 are provided with a plurality of seedling pre-loading boxes 18, the seedling boxes 3 and the seedling pre-loading boxes 18 are correspondingly and fixedly connected one by one, an adjusting gap 31 is arranged between every two adjacent seedling boxes 3, one side of the seedling pre-loading boxes 18, which faces the seedling boxes 3, is provided with an opening 19, and the two sides of the seedling door 141 are, the third slide rail 142 is provided with a seedling support plate 143 in a sliding manner, the seedling support plate 143 is connected with a third linear driver 144, the seedling support plate 143 is close to the side of the seedling door 141, a first light touch switch 145 for detecting seedlings is arranged, the seedling support plate 143 on two sides of the seedling door 141 supports an end face of the seedling after transplanting, and the other seedling support plate 143 supports an end face of the seedling before transplanting. In this transplanter each seedling case is the isolated design alone, and a seedling case corresponds a seedling door, detects control seedling case through the seedling of seedling incasement and the touching of first light touch switch and stops sliding, prevents to lack the seedling to at the in-process of transplanting rice seedlings, be located seedling door both sides the seedling supports to lean on the board one to support and leans on the terminal surface after the seedling piece is transplanted rice seedlings, another the seedling supports to lean on the board to support and leans on the terminal surface before the seedling piece is transplanted rice seedlings, thereby prevents that the terminal surface of the seedling piece after being transplanted rice seedlings is not hard up, prevents that the seedling from dropping, thereby prevents to lack the seedling.

A plurality of the second linear actuator 151 all is located the downside of swash plate 15, be provided with a plurality of bar through-holes 152 on the swash plate 15, the output of second linear actuator 151 passes bar through-hole 152 with seedling case 3 is connected. The adoption of the structure enables the second linear driver to be convenient to install and maintain. It is of course also possible to mount the second linear actuator between the swash plate and the seedling box.

The seedling pre-packing box is characterized in that a first conveyor belt 181 is arranged at the bottom of the seedling pre-packing box 18, the first conveyor belt 181 is driven by a first motor, a seedling roll partition device 182 is arranged in the seedling pre-packing box 18, the seedling roll partition device 182 comprises two pairs of second conveyor belts 183 which are oppositely arranged, a support rod 184 is arranged between each pair of second conveyor belts 183, and the second conveyor belts 183 are driven by a second motor. Adopt this structure to make the seedling piece of bottom and other seedling pieces of top can cut off in the seedling prepackage box to guarantee that the rotation that the seedling piece of bottom can be smooth and easy shakeouts the seedling piece, when the seedling piece of bottom shifts out completely, the second conveyer belt drives the bracing piece and rotates the round, rolls up the seedling of bottommost and drops and lift up the seedling book of next to last, realizes that the seedling piece in the seedling prepackage box is automatic to be spread out the seedling.

The seedling feeding mechanism 4 comprises a third conveyor belt 41, a seedling pressing device 42 is arranged above the third conveyor belt 41, the seedling pressing device 42 comprises a pair of fourth conveyor belts 43 which are oppositely arranged, a plurality of seedling pressing rods 44 are arranged between the fourth conveyor belts 43, a plurality of seedling pressing needles 45 are arranged on the seedling pressing rods 44, a plurality of limiting blocks 46 are arranged on two sides of the third conveyor belt 41, the limiting blocks 46 contact with the seedling pressing rods 44 to push the fourth conveyor belts 43 to rotate, and the third conveyor belt 41 is driven by a third motor. In the process that the third conveyor belt drives the seedling plate to move forwards, because the third conveyor belt is not arranged at the seedling door, the front end of the seedling plate is possibly propped against the seedling box in the advancing process, so that the front end of the seedling plate does not move forwards only because the rear end of the seedling plate tilts up in the rotating process of the third conveyor belt, and the seedling shortage is caused; adopt this structure to drive the rotation of fourth conveyer belt through the third conveyer belt, the pressure seedling needle on the fourth conveyer belt passes the seedling piece and inserts the third conveyer belt and flatten the seedling piece on the third conveyer belt, prevents to drive the in-process that the fourth conveyer belt rotated at the third conveyer belt, and the perk of seedling board leads to lacking the seedling to adopt the damage of pressure seedling needle to the seedling is little, guarantees the seedling survival rate after transplanting seedlings.

The third conveyor belt 41 is provided with a plurality of protruding pins 411. Adopt this structure to make the third conveyer belt can catch the seedling piece when the conveying, prevent relative movement between third conveyer belt and the seedling piece, guarantee the accuracy of conveying.

The seedling pressing rod 44 is provided with a guide channel 441, and the seedling pressing needle 45 is arranged in the guide channel 441; when the seedling pressing rod 44 is positioned on the upper side of the fourth conveyor belt 43, the needle point of the seedling pressing needle 45 is positioned in the guide channel 441, and when the seedling pressing rod 44 is positioned on the lower side of the fourth conveyor belt 43, the needle point of the seedling pressing needle 45 naturally falls down to penetrate through a seedling block and is inserted into the third conveyor belt 41. Because the end of the seedling pressing needle is pointed, if the end is not protected upwards, the seedling pressing rod is quite dangerous, the structure is adopted, the seedling pressing rod is positioned on the upper side of the fourth conveyor belt, the needle point of the seedling pressing needle is positioned in the guide channel, so that the damage to a human body when the needle point of the seedling pressing needle is upwards is prevented, and the safety is improved.

Vertical sliding grooves 32 are formed in the side walls of the seedling box 3 on the two sides of the fourth conveying belt 43, sliding blocks 33 are arranged in the vertical sliding grooves 32, the sliding blocks 33 are connected with the conveying wheels of the fourth conveying belt 43 in a rotating mode, and adjusting screws 34 penetrating through the sliding blocks 33 are arranged in the vertical sliding grooves 32 in a rotating mode. Because the needle point of the seedling pressing needle falls naturally, the piercing force of the seedling pressing needle can be adjusted by adjusting the height, so that the seedling pressing needle can be adapted to seedling blocks with different thicknesses, the fourth conveyor belt is adjusted to be lowered when the thickness of the seedling block is smaller, the piercing force of the seedling pressing needle is reduced, the seedling pressing needle is prevented from penetrating into the third conveyor belt too deeply, the fourth conveyor belt is increased to increase the piercing force of the seedling pressing needle when the thickness of the seedling block is larger, and the seedling pressing needle can penetrate through the seedling block and be inserted into the third conveyor belt.

The front end of the frame 1 is provided with a driving device 6 and a steering wheel 61, the walking device 2 is two pairs of blade type rotating wheels, and the blade type rotating wheels are driven by the driving device 6.

The first linear actuator, the second linear actuator, the third linear actuator and the fourth linear actuator in this embodiment are all electric push rods, and the first motor, the second motor, the third motor, the first linear actuator, the second linear actuator, the third linear actuator and the first tact switch are all connected with the second control device. The movement of the first motor, the second motor, and the third motor, the first linear actuator, the second linear actuator, and the third linear actuator is controlled by a program set by the second control means.

When the seedling transplanting machine is used for transplanting seedlings, the end parts of the wound seedling blocks are downwards placed into a seedling pre-packing box, only the lowermost seedling block is contacted with a second conveying belt through a seedling roll partition device, and the second conveying belt gradually spreads the seedling blocks and conveys the seedling blocks to a seedling box from an opening; the distance of single transplanting is arranged between the seedling support and support plate on one side of the seedling door and the seedling box, the seedling box is aligned to the seedling support and support plate, the seedling support and support plate on the other side is attached to the seedling box, the seedling feeding mechanism feeds the seedling block to be supported by the seedling support and support plate, the seedling box is driven by the second linear driver to move until the first tact switch is touched by the seedling and then stops, then the seedling in the range of the seedling door is planted into soil in the field by the transplanting mechanism, in the process, the seedling support and support plates on two sides of the seedling door support and support the end surface of the seedling block after transplanting, the seedling block on the end surface after transplanting is prevented from loosening and falling, and the other seedling support and support plate supports the end surface of the seedling block before transplanting; after completing the transplanting in one direction, the seedling abutting plate attached to the seedling box moves to leave a distance of single transplanting with the seedling box, the seedling abutting plate moves to be attached to the seedling box at a distance of single transplanting with the seedling box, the seedling conveying mechanism integrally conveys the seedling block downwards to a distance of single transplanting, and then the seedling box moves reversely to continue transplanting.

Claims

1. The utility model provides a rice transplanter with towed reseeding machine, includes frame (1), running gear (2), seedling case (3), send seedling mechanism (4) and branch transplanting seedling mechanism (5), be provided with deck (14) and swash plate (15) on frame (1), be provided with in seedling case (3) send seedling mechanism (4), be provided with on deck (14) a plurality of seedling doors (141) with branch transplanting seedling mechanism (5), its characterized in that: the frame (1) is connected with a towed seedling supplementing machine (7), and the towed seedling supplementing machine (7) comprises a top plate (71), a towing rod (72), a seed supplementing mechanism (73) and an adjustable towing wheel (74); the top plate (71) is connected with the towing rod (72), and the towing rod (72) is horizontally positioned on the frame (1); a guide hole (711) which is vertical to the towing rod (72) is formed in the top plate (71), a guide rod (731) which is matched with the guide hole (711) in a sliding mode is arranged on the reseeding mechanism (73), a pressure gauge (712) is arranged on the top plate (71), and a damping spring (75) is arranged between the reseeding mechanism (73) and a bottom plate of the pressure gauge (712); the two sides of the reseeding mechanism (73) are provided with the adjustable dragging wheels (74), each adjustable dragging wheel (74) comprises a central shaft (741), a fixed block (742), a sliding block (743), a first rotating rod (744), a second rotating rod (745), a wheel hub piece (746) and a fourth linear driver (747), the fixed block (742) is fixed on the central shaft (741) and a first bearing (748) is arranged on the outer side of the fixed block, the sliding block (743) is arranged on the central shaft (741) in a sliding manner, a second bearing (749) is arranged on the outer side of the sliding block, a hub plate (746) is fixed at the other end of the first rotating rod (744) which is hinged with the second bearing (749), one end of the second rotating rod (745) is hinged with the first bearing (748), and the other end is hinged on the first rotating rod (744), the output end of the fourth linear driver (747) is connected with the sliding block (743); a reseeding cavity (76) is arranged in the reseeding mechanism (73), a plurality of fifth conveyor belts (761) and reseeding seedling doors (762) and reseeding seedling pre-loading boxes (763) which are located at two ends of the fifth conveyor belts (761) and correspond to the fifth conveyor belts (761) in a one-to-one mode are arranged in the reseeding cavity (76), a second light touch switch (764) is arranged on the side surface of each reseeding seedling door (762), reseeding cylinders (765) are arranged above each reseeding seedling door (762), a pair of photoelectric detection devices (766) are arranged on the front side below each reseeding seedling door (762), and the reseeding cylinders (765) are controlled by electromagnetic valves respectively; be provided with sixth conveyer belt (767) above fifth conveyer belt (761), be provided with a plurality of stand pipes (768) on sixth conveyer belt (767), be provided with a plurality of pressure seedling contact pins (769) in stand pipe (768), fifth conveyer belt (761) is by fourth motor drive, sixth conveyer belt (767) is by fifth motor drive, fifth conveyer belt (761) upper surface below is provided with and is used for attracting electromagnet (77) of pressing seedling contact pin (769), pressure gauge (712), fourth linear drive (747), photoelectric detection device (766), the solenoid valve second light touch switch (764), the fourth motor with the fifth motor all is connected with first controlling means.

2. A rice transplanter having a towed seed replenisher as claimed in claim 1, wherein: a vertical slide rail (11) is arranged on the rack (1), a lifting frame (12) is arranged on the vertical slide rail (11) in a sliding manner, and a first linear driver (13) is arranged between the lifting frame (12) and the rack (1); the tail part of the lifting frame (12) is provided with the boat plate (14) and the inclined plate (15), the upper end of the inclined plate (15) is fixed on the lifting frame (12), the lower end of the inclined plate (15) is fixed on the upper surface of the boat plate (14), the inclined plate (15) is provided with a plurality of first sliding rails (16), the lifting frame (12) is provided with a plurality of second sliding rails (17), the first sliding rails (16) are provided with a plurality of seedling boxes (3), the inclined plate (15) is provided with a plurality of second linear drivers (151), the output ends of the second linear drivers (151) are respectively fixedly connected with the seedling boxes (3), the second sliding rails (17) are provided with a plurality of seedling pre-loading boxes (18), the seedling boxes (3) are fixedly connected with the seedling pre-loading boxes (18) in a one-to-one correspondence manner, and an adjusting gap (31) is arranged between the seedling boxes (3), seedling is vanning in advance (18) orientation one side of seedling case (3) is equipped with opening (19), seedling door (141) both sides be provided with the parallel third slide rail (142) of seedling door (141), it supports backup plate (143) to slide to be provided with the seedling on third slide rail (142), the seedling supports backup plate (143) and is connected with third linear drive ware (144), the seedling supports backup plate (143) and is close to the seedling door (141) side is provided with first light touch switch (145) that is used for detecting the seedling, is located seedling door (141) both sides the seedling supports backup plate (143) one and supports the terminal surface that supports behind seedling piece transplanting of rice seedlings, another the seedling supports backup plate (143) and supports the terminal surface that supports before the seedling piece transplanting of rice seedlings.

3. A rice transplanter having a towed seed replenisher as claimed in claim 2, wherein: a plurality of second linear actuator (151) all are located the downside of swash plate (15), be provided with a plurality of bar through-holes (152) on swash plate (15), the output of second linear actuator (151) passes bar through-hole (152) with seedling case (3) are connected.

4. A rice transplanter having a towed seed replenisher as claimed in claim 2, wherein: the seedling is equipped with first conveyer belt (181) in advance incasement (18) bottom, first conveyer belt (181) are by first motor drive, be provided with seedling book cut-off device (182) in seedling is in advance incasement (18), seedling book cut-off device (182) include two pairs of second conveyer belts (183) that set up relatively, are provided with bracing piece (184) between every pair of second conveyer belts (183), second conveyer belt (183) are by second motor drive.

5. A rice transplanter having a towed seed replenisher as claimed in claim 2, wherein: the seedling conveying mechanism (4) comprises a third conveying belt (41), a seedling pressing device (42) is arranged above the third conveying belt (41), the seedling pressing device (42) comprises a pair of fourth conveying belts (43) which are oppositely arranged, a plurality of seedling pressing rods (44) are arranged between the fourth conveying belts (43), a plurality of seedling pressing needles (45) are arranged on the seedling pressing rods (44), a plurality of limiting blocks (46) are arranged on two sides of the third conveying belt (41), the limiting blocks (46) are in contact with the seedling pressing rods (44) and then push the fourth conveying belts (43) to rotate, and the third conveying belt (41) is driven by a third motor.

6. A rice transplanter having a towed seed replenisher according to claim 5, wherein: a plurality of convex needles (411) are arranged on the third conveyor belt (41).

7. A rice transplanter having a towed seed replenisher according to claim 5, wherein: a guide channel (441) is arranged on the seedling pressing rod (44), and the seedling pressing needle (45) is arranged in the guide channel (441); when pressing seedling pole (44) and being located fourth conveyer belt (43) upside, press the needle point of seedling needle (45) to be located in guide channel (441), when press seedling pole (44) to be located fourth conveyer belt (43) downside, press the needle point of seedling needle (45) to fall naturally and pass the seedling piece and insert third conveyer belt (41).

8. A rice transplanter having a towed seed replenisher as claimed in claim 7, wherein: the seedling box (3) lateral wall of fourth conveyer belt (43) both sides is last to be provided with vertical spout (32), be provided with sliding block (33) in vertical spout (32), sliding block (33) are connected with the transfer wheel rotation of fourth conveyer belt (43), vertical spout (32) internal rotation is provided with and passes adjusting screw (34) of sliding block (33).

9. A rice transplanter having a towed seed replenisher as claimed in claim 1, wherein: the front end of the rack (1) is provided with a driving device (6) and a steering wheel (61), the traveling device (2) is two pairs of blade type rotating wheels, and the blade type rotating wheels are driven by the driving device (6).