CN207948105U - A kind of hand type ordered seedling throwing machine - Google Patents
A kind of hand type ordered seedling throwing machine Download PDFInfo
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- CN207948105U CN207948105U CN201820303556.1U CN201820303556U CN207948105U CN 207948105 U CN207948105 U CN 207948105U CN 201820303556 U CN201820303556 U CN 201820303556U CN 207948105 U CN207948105 U CN 207948105U
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Abstract
The utility model is related to a kind of hand type ordered seedling throwing machine, including walking mechanism, control system, bindiny mechanism, rice shoot conveying feed mechanism, pull out seedling thrower mobile phone structure, seedling-separating sliding rail mechanism；Rice shoot conveying feed mechanism pulls out seedling thrower mobile phone structure, seedling-separating sliding rail mechanism and is mounted in walking mechanism by bindiny mechanism, and rice shoot conveying feed mechanism pulls out seedling thrower mobile phone structure and connects with control system；Control system control rice shoot conveying feed mechanism send rice shoot to designated position, control system control, which pulls out seedling thrower mobile phone structure and picks up rice shoot in designated position and move to above seedling-separating sliding rail mechanism, decontrols rice shoot, and the rice shoot fallen is orderly directed to field and is colonized by seedling-separating sliding rail mechanism.The utility model is using seedling thrower mobile phone structure fixed point folder seedling and rice transplanting is pulled out, and instead of human hand operation, finally ensure that the orderly and efficient of rice shoot field planting, belongs to agricultural mechanical field.
Description
Technical field
The present invention relates to agricultural mechanical fields, and in particular to a kind of hand type ordered seedling throwing machine.
Background technology
Rice seedling throwing transplanting is one of three big cropping pattern of rice in China (other two kinds are live streaming and rice transplanting transplanting respectively),
These three cropping patterns respectively have feature.Because Chinese Regional is wide, different, the Zhi Nengyin such as region water and soil landform and cropping system
Ground suiting measures to different conditions selects cropping pattern, could play its advantage to greatest extent.So developing the agricultural machinery for adapting to three kinds of Rice Cropping patterns
Tool is also the important link for realizing Rice Cropping entire mechanization process.
For the country, rice seedling throwing transplanting experienced and manually spread throwing, the unordered throwing cultivation of machinery (needs manually to feed seedling, belong to
Semi automatic machine) to the development course of the orderly accurate rice transplanting of machinery.With the popularization of industrial hole plate seedling-cultivation technique, based on this
New seedling raising method, a variety of ordered seedling throwing machineries are researched and developed.Realize that the mechanical ordered seedling throwing transplanting of accurate rice pot seedling is set
Meter research is concentrated mainly on 3 links：Rice shoot is automatically fed, and the mode of rice shoot and nutrition bowl-entering soil disengaging seedling disk, rice shoot is in field
Between branch field planting.Different types of equipment gives different design schemes.
Invention content
For the technical problems in the prior art, the purpose of the present invention is：It provides a kind of for replacing being accomplished manually
The hand type ordered seedling throwing machine of the ordered seedling throwing transplanting operation of industrial hole plate seedling raising rice shoot, realizes hole tray rice seedling in field
Between the agriculture requirement planted.
In order to achieve the above object, the present invention adopts the following technical scheme that：
A kind of hand type ordered seedling throwing machine, including walking mechanism, control system, bindiny mechanism, rice shoot conveying feeding machine
Structure pulls out seedling thrower mobile phone structure, seedling-separating sliding rail mechanism；Rice shoot conveying feed mechanism pulls out seedling thrower mobile phone structure, seedling-separating sliding rail machine
Structure is mounted on by bindiny mechanism in walking mechanism, and rice shoot conveys feed mechanism, pulls out seedling thrower mobile phone structure is with control
System connects；Control system control rice shoot conveying feed mechanism send rice shoot to designated position, and seedling thrower is pulled out in control system control
Mobile phone structure picks up rice shoot and move to above seedling-separating sliding rail mechanism in designated position decontrols rice shoot, and seedling-separating sliding rail mechanism will be fallen
Rice shoot is orderly directed to field field planting.
Include one group of horicontal motion mechanism, Horizontal Motion Carriage, synchronize vertically as a preferred embodiment, pulling out seedling thrower mobile phone structure
Reversing-gear, Liang Zu vertical and straight movements mechanism, two groups of manipulator seedling folders；Horizontal Motion Carriage is conveyed by horicontal motion mechanism in rice shoot
Left and right translation above feed mechanism, one the first from left of Liang Zu vertical and straight movements mechanism is right to be mounted on Horizontal Motion Carriage, and every group is transported vertically
Motivation structure is respectively arranged with one group of manipulator seedling folder to drive manipulator seedling to press from both sides upper and lower translation；It is equipped between Liang Zu vertical and straight movements mechanism
Vertical synchronous backward mechanism.
As a preferred embodiment, horicontal motion mechanism is rack and pinion mechanism；Vertical and straight movement mechanism be rack and pinion mechanism or
Synchronous toothed belt；Vertical synchronous backward mechanism is bevel gear transmission mechanism.
As a preferred embodiment, vertical synchronous backward mechanism includes three bevel gears, intermediate bevel gear is horizontally disposed, left and right
Two bevel gears vertically arrangement and with intermediate bevel gear engaged transmission；When the bevel-gear rotating of centre, both sides bevel gear is with phase
Anti- direction rotation, to the counter motion of Liang Zu vertical and straight movements mechanism.
As a preferred embodiment, the quantity of seedling-separating sliding rail mechanism is two groups, it is located at the left and right of rice shoot conveying feed mechanism
Both sides；Every group of slideway mechanism of separating seedlings or planting includes a plurality of seedling-separating sliding rail, and seedling-separating sliding rail upper end or so close-packed arrays, lower end or so is equidistantly
Interval arranges；The lower end of seedling-separating sliding rail in two groups of slideway mechanisms of separating seedlings or planting is aligned in the longitudinal direction.
As a preferred embodiment, seedling-separating sliding rail is smooth hollow pipeline formula slideway；Centre-to-centre spacing between seedling-separating sliding rail upper end opening
From for rice shoot column pitch in seedling-cultivation plate, centre distance is the distance that rice shoot is listed in field field planting between lower ending opening.
As a preferred embodiment, control system includes main controller and the tray seedling row automatic in-position being connected with main controller detection
Sensor, manipulator seedling folder horizontal movement sensors in place, manipulator seedling press from both sides vertical and straight movement sensors in place；Main controller is monolithic
Machine or PLC controller.
As a preferred embodiment, manipulator seedling folder includes mounting bracket and one in front and one in back symmetrically arranged two clamp arm；Each folder
Arm includes a gear, a driving lever, the connecting rod of lower end Tourniquet clamping head, a follower lever；Gear is mounted on mounting bracket
It goes up and driving lever is driven to rotate, the end of driving lever and the upper end of connecting rod are hinged, the stage casing of connecting rod and the end of follower lever
Hinged, the other end and mounting bracket of follower lever are hinged, to which mounting bracket, driving lever, connecting rod, follower lever constitute quadrangle machine
Structure；Two gear external toothings of two clamp arm are driven, and when rotation, drive two collets folding of two connecting rod lower ends；Two
Collet surrounds infundibulate.
As a preferred embodiment, rice shoot conveying feed mechanism includes servo motor, chain-drive mechanism, belt conveyor；It watches
It takes motor and belt conveyor operation is driven by chain-drive mechanism；Rice shoot is placed on belt, is arranged in along left and right directions
A line is arranged with multirow along front-rear direction.
As a preferred embodiment, the movement locus of two groups of manipulator seedlings folder is rectangle, the manipulator seedling folder on the left side is counterclockwise
It advances, the manipulator seedling folder on the right is advanced clockwise, when the manipulator seedling on left side folder is positioned at the lower left corner of rectangle, the machine on the right
Tool hand seedling folder is positioned at the upper left corner of rectangle.
The principle of the present invention is：The present invention proposes a kind of hand type ordered seedling throwing machine, is used for industrial hole plate seedling raising seedling
The ordered seedling throwing of seedling transplants operation.The planning of working path is realized in being driven by people, and artificial loading, the ordered seedling throwing transplanting of rice shoot is then
It is automatically performed completely by the manipulator seedling folder of computer programming control.Manipulator seedling is pressed from both sides rice shoot from hole tray under program
It pulls up, is put into corresponding seedling-separating sliding rail, field is colonized in by the effect of separating seedlings or planting of seedling-separating sliding rail, the agronomy for reaching field planting is wanted
It asks.The present invention has used the design philosophy and design concept of electromechanical integration, by the information processing of electronic device and control function
Additional, fusion makes rice-seedling throwing machine have centainly intelligent, is a kind of work tool of man-machine collaboration type on mechanical device.It is whole
Machine structure design thinking is novel, can realize that orderly accurate throw of rice seedling plants plant.
Generally speaking, the invention has the advantages that：
1. using seedling thrower mobile phone structure fixed point folder seedling and rice transplanting is pulled out, instead of human hand operation.
2. using seedling-separating sliding rail mechanism, ensure that rice shoot is orderly colonized by the distance of design in field.
3. pulling out seedling thrower mobile phone structure and seedling-separating sliding rail mechanism using two groups, two groups operate in turn, and operational efficiency is high.
4. using control system, several sensors of arranging in pairs or groups coordinate control, and accurate positioning finally ensure that having for rice shoot field planting
Sequence and efficiently.
5. simple in structure, it is only necessary to using existing agricultural machinery as walking mechanism, can be prepared by this hair by add-assembly
Bright device.
6. two collets of each manipulator seedling folder surround infundibulate, effective protection rice shoot.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of hand type ordered seedling throwing machine.
Fig. 2 is a kind of installation diagram of the core component of hand type ordered seedling throwing machine.
Fig. 3 is the schematic diagram for pulling out seedling thrower mobile phone structure.
Fig. 4 is the structural schematic diagram of manipulator seedling folder.
Fig. 5 is the operating path figure of manipulator seedling folder.
Wherein, 1 is walking mechanism, 2 systems in order to control, and 3 be bindiny mechanism, and 4 convey feed mechanism for rice shoot, and 5 is pull out throwing
Seedling manipulator mechanism, 6 be seedling-separating sliding rail mechanism, and 7 be component A seedling slideway mechanism, and 8 press from both sides for A group manipulator seedlings, and 9 transport vertically for A groups
Motivation structure, 10 be horicontal motion mechanism, and 11 be B group vertical and straight movements mechanism, and 12 press from both sides for B group manipulator seedlings, and 13 be to pull out seedling thrower
Handset mounting, 14 be B component seedling slideway mechanism, and 15 be driving shaft, and 16 be relay axis, and 17 be driven shaft, and 18 be bevel gear, and 19 be tooth
Wheel, 20 be driving lever, and 21 be connecting rod, and 22 be follower lever, and 23 be collet.
Specific implementation mode
It is next below that the present invention will be further described in detail.
A kind of hand type ordered seedling throwing machine, including walking mechanism, control system, bindiny mechanism, rice shoot conveying feeding machine
Structure pulls out seedling thrower mobile phone structure, seedling-separating sliding rail mechanism.Wherein rice shoot conveys feed mechanism, pulls out seedling thrower mobile phone structure, cunning of separating seedlings or planting
Road mechanism cooperates under the program control of control system and completes the automatic of rice shoot and choose and ordered seedling throwing transplanting operation.Even
Connection mechanism is mounted in walking mechanism, and the tail portion of walking mechanism is fastened on by axis pin connection；Rice shoot conveying feed mechanism passes through
It is bolted and is fastened in bindiny mechanism；Pull out seedling thrower mobile phone structure be bolted be fastened on rice shoot conveying feed mechanism
On；Seedling-separating sliding rail mechanism is mounted between bindiny mechanism and rice shoot conveying feed mechanism, is bolted and is fastened on connection machine
On structure.
It includes servo motor, chain-drive mechanism, belt conveyor that rice shoot, which conveys feed mechanism,；Servo motor is passed by chain
Motivation structure drives belt conveyor operation.Sensor is mounted near seedlings sending mechanism central rack, can be that detection rice shoot arrives
Up to the photo-electric or magnetoelectric sensor of position of pulling up seedlings.If it is correlation type photoelectric position sensor, tray seedling will be cultivated
Plastics cave dish be directly placed on the belt conveyor of seedlings sending mechanism, sensor is identified by detecting plastics cave dish bowl itself
In place whether pot seedling row；If it is magnetoelectric sensor, then the plastics cave dish for cultivating tray seedling is placed on one by tagger
It is placed on the belt conveyor of seedlings sending mechanism together with pallet on manufactured pallet, sheet iron pallet side wall is welded with and rice shoot
The one-to-one ferromagnetism of row is raised, and in place whether sensor identify pot seedling row by detecting magnetic protrusion at this time.
Pull out seedling thrower mobile phone structure include one group of horicontal motion mechanism, Horizontal Motion Carriage, vertical synchronous backward mechanism, two groups
Vertical and straight movement mechanism, two groups of manipulator seedling folders；Horizontal Motion Carriage is conveyed in rice shoot above feed mechanism by horicontal motion mechanism
Left and right translation, one the first from left of Liang Zu vertical and straight movements mechanism is right to be mounted on Horizontal Motion Carriage, and every group of vertical and straight movement mechanism is respectively arranged with
One group of manipulator seedling folder is to drive manipulator seedling to press from both sides upper and lower translation；Vertical synchronous backward is housed between Liang Zu vertical and straight movements mechanism
Mechanism.
It pulls out seedling thrower mobile phone structure and corresponds to mechanical position sensor there are four dresses.Sensor is respectively arranged in horizontal, perpendicular
Straight motion end, in place whether the level pressed from both sides for inspecting manipuator seedling, vertical and straight movement；Manipulator seedling folder is link-type seedling
Miao Jia, can once pull up more cave rice shoots, and the unlatching of seedling folder is closed and is realized by driving motor.
A groups and B group manipulator seedlings folder are separately mounted in corresponding A groups and B group vertical and straight movements mechanism, vertical and straight movement mechanism
For rack and pinion mechanism or synchronous toothed belt, realize that two groups of manipulator seedlings are clipped in respectively vertical fortune by vertical synchronous backward mechanism
Synchronous backward movement on motivation structure；Liang Ge vertical and straight movements mechanism is separated by a distance to be mounted on horicontal motion mechanism；It is horizontal
Motion is mounted on the sliding rail of robot gantry, and rack and pinion drive is equipped on horicontal motion mechanism, by solid
Determine motor-driven gear, the kind of drive of gear driving rack realizes level of the horicontal motion mechanism on robot gantry sliding rail
Movement.
The movement locus of two groups of manipulator seedlings folder is identical, is rectangle, but home position is different, A group manipulators
The raw bits of seedling folder are in its track lower-left position, in the surface of component A seedling slideway, i.e., the throwing of the component A seedling slideway corresponding to it
Seedling position；And B group manipulator seedlings folder raw bits its track upper left position, i.e., rice shoot pulls up position from hole tray.Two machine when operation
The rice shoot that tool hand seedling folder pulls up half quantity in hole tray row respectively in an orderly manner is transferred to corresponding rice transplanting position, and seedling folder is opened, completed
Automatic seedling taking moves seedling rice transplanting operation.
It is identical that the seedling-separating sliding rail of every group of slideway mechanism of separating seedlings or planting and every group of manipulator seedling folder pull up rice shoot number, seedling-separating sliding rail shape
It is different, but be all made of straightway and transition arc curved section, circular arc is tangent with straight line, round and smooth to form camber line
Seedling-separating sliding rail.Seedling-separating sliding rail can be made of PVC engineering plastics pipes or other materials.Manipulator seedling folder is pulled up from hole tray
After more cave rice shoots, moving to above seedling-separating sliding rail, seedling folder is opened, and rice shoot is respectively fallen in by dead weight in corresponding seedling-separating sliding rail,
By the effect of separating seedlings or planting of seedling-separating sliding rail, it is orderly colonized in field, and meets the agriculture requirement of field planting.
Control system is mounted at the console of walking mechanism；Bindiny mechanism is located at the tail portion of walking mechanism, vehicle with walking machine
Structure and rice shoot conveying feed mechanism link into an integrated entity；Rice shoot conveying feed mechanism is located at the middle part for pulling out seedling thrower handset mounting, preceding
Rear direction is through at rack；A groups, B component seedling slideway below A groups, B group manipulator seedlings folder rice transplanting position are located at manipulator
The both sides of rack pull out the underface for moving seedling movement locus in manipulator seedling folder, and two groups of seedling-separating sliding rails are integrally respectively along fuselage
Direction forward, tilt backwards the angle of very little, about 2 degree, the part met to avoid two slideway lower parts interferes.
When work, driver drives the walking path of walking mechanism planning operation, and ancillary staff will cultivate rice shoot
Hole tray (or being put into after pallet together) is positioned on the conveyer belt of rice shoot conveying feed mechanism, opening manipulator automatic work key,
Seedling thrower mobile phone structure is pulled out to start to work according to the program woven.First, rice shoot conveying feed mechanism is defeated by the first row rice shoot
It is sent to designated position, i.e. manipulator is pulled up seedlings position, motor stalls, and A group manipulator seedlings folder is opened, and B group manipulator seedlings are pressed from both sides and closed
It closes, manipulator horicontal motion mechanism moves right, then A groups manipulator seedling folder shifts to seedling from its raw bits (its track lower-left position)
Disk, A group manipulator seedlings are pressed from both sides across the first row rice shoot, after moving to designated position, horicontal motion mechanism stop motion, and A group machineries
Hand seedling folder is closed, and clamps the hemistich rice shoot in the first row rice shoot of seedling disk, correspondingly, a left side of the B group manipulator seedlings folder from its track
It is upper to be moved to upper right position；Later, the driving motor of vertical synchronous backward mechanism starts, and drives the vertical fortune of A group manipulator seedlings folder
Motivation structure rises, and rice shoot is pulled up, while the vertical and straight movement mechanism of B group manipulator seedlings folder declines, and B group manipulator seedlings folder moves to
The surface of its corresponding B component seedling slideway, i.e. the bottom right position of its track, B group manipulator seedlings folder are opened；Then manipulator is horizontal
Motion moves downward, and A group manipulator seedlings folder carries the rice shoot pulled up and moves to upper left position, B groups from the upper right position of its track
Manipulator seedling folder then shifts to the another hemistich rice shoot in seedling disk de-clamping seedling disk the first row rice shoot, horizontal after moving to designated position
Motion stops, and B group manipulator seedlings folder is closed clamping rice shoot；Later, the driving motor reversion of vertical synchronous backward mechanism is opened
It is dynamic, it drives A group manipulator Yang Jia vertical and straight movements mechanism to decline, moves to right over component A seedling slideway, i.e., its movement is original
Position, seedling folder are opened, and rice shoot falls into slideway by dead weight, separated seedlings or planting by slideway and be colonized in field, while B group manipulator seedlings folder is perpendicular
Straight motion rises, and rice shoot is pulled up, the raw bits of its movement locus are returned to, and so far, a work period completes.Then,
Rice shoot conveying feed mechanism continues to feed, and the second row rice shoot in seedling disk is sent to position of pulling up seedlings, hand type ordered seedling throwing machine according to
The above continuous cycle operation of flow, you can the rice shoot in hole tray is orderly efficiently accurately constantly colonized in field.In work,
The pause, end, reset etc. for pulling out seedling thrower mobile phone structure have corresponding control button to carry out control operation in the controls.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of hand type ordered seedling throwing machine, it is characterised in that：It is defeated including walking mechanism, control system, bindiny mechanism, rice shoot
It send feed mechanism, pull out seedling thrower mobile phone structure, seedling-separating sliding rail mechanism；Rice shoot conveying feed mechanism pulls out seedling thrower mobile phone structure, divides
Seedling slideway mechanism is mounted on by bindiny mechanism in walking mechanism, and rice shoot conveying feed mechanism, to pull out seedling thrower mobile phone structure equal
Connect with control system；Control system control rice shoot conveying feed mechanism send rice shoot to designated position, and control system control is pulled out
Seedling thrower mobile phone structure picks up rice shoot and move to above seedling-separating sliding rail mechanism in designated position decontrols rice shoot, seedling-separating sliding rail mechanism
The rice shoot fallen is orderly directed to field field planting.
2. a kind of hand type ordered seedling throwing machine described in accordance with the claim 1, it is characterised in that：Pull out seedling thrower mobile phone structure packet
Include one group of horicontal motion mechanism, Horizontal Motion Carriage, vertical synchronous backward mechanism, Liang Zu vertical and straight movements mechanism, two groups of manipulator seedlings
Folder；Horizontal Motion Carriage conveys left and right above feed mechanism in rice shoot by horicontal motion mechanism and translates, Liang Zu vertical and straight movements mechanism
One the first from left is right to be mounted on Horizontal Motion Carriage, and every group of vertical and straight movement mechanism is respectively arranged with one group of manipulator seedling folder to drive machinery
Hand seedling presss from both sides upper and lower translation；Vertical synchronous backward mechanism is housed between Liang Zu vertical and straight movements mechanism.
3. a kind of hand type ordered seedling throwing machine according to claim 2, it is characterised in that：Horicontal motion mechanism is gear
Rackwork；Vertical and straight movement mechanism is rack and pinion mechanism or synchronous toothed belt；Vertical synchronous backward mechanism is driven for bevel gear
Mechanism.
4. a kind of hand type ordered seedling throwing machine described in accordance with the claim 3, it is characterised in that：Vertical synchronous backward mechanism packet
Three bevel gears are included, intermediate bevel gear is horizontally disposed, and the bevel gear of left and right two is arranged and engaged with intermediate bevel gear vertically
Transmission；When the bevel-gear rotating of centre, both sides bevel gear rotates in a reverse direction, to which Liang Zu vertical and straight movements mechanism reversely transports
It is dynamic.
5. a kind of hand type ordered seedling throwing machine according to claim 2, it is characterised in that：The quantity of seedling-separating sliding rail mechanism
It is two groups, is located at the left and right sides of rice shoot conveying feed mechanism；Every group of slideway mechanism of separating seedlings or planting includes a plurality of seedling-separating sliding rail,
Seedling-separating sliding rail upper end or so close-packed arrays, lower end or so equidistant interval arrange；Seedling-separating sliding rail in two groups of slideway mechanisms of separating seedlings or planting
Lower end is aligned in the longitudinal direction.
6. a kind of hand type ordered seedling throwing machine according to claim 5, it is characterised in that：During seedling-separating sliding rail is smooth
Vacant duct formula slideway；Centre distance is rice shoot column pitch in seedling-cultivation plate between seedling-separating sliding rail upper end opening, centre-to-centre spacing between lower ending opening
From be listed in for rice shoot field field planting with a distance from.
7. a kind of hand type ordered seedling throwing machine according to claim 2, it is characterised in that：Control system includes main controller
The tray seedling row automatic in-position detection sensor that is connected with main controller, manipulator seedling folder horizontal movement sensors in place, machine
Tool hand seedling presss from both sides vertical and straight movement sensors in place；Main controller is microcontroller or PLC controller.
8. a kind of hand type ordered seedling throwing machine according to claim 2, it is characterised in that：Manipulator seedling folder includes installation
Frame and one in front and one in back symmetrically arranged two clamp arm；Each clamp arm includes a gear, a driving lever, a lower end Tourniquet clamping head
Connecting rod, a follower lever；Gear is mounted on mounting bracket and driving lever is driven to rotate, the end of driving lever and connecting rod
Upper end is hinged, and the stage casing of connecting rod and the end of follower lever are hinged, and the other end and mounting bracket of follower lever are hinged, to install
Frame, driving lever, connecting rod, follower lever constitute quadrangular mechanism；Two gear external toothings of two clamp arm are driven, when rotation, band
Move two collets folding of two connecting rod lower ends；Two collets surround infundibulate.
9. a kind of hand type ordered seedling throwing machine described in accordance with the claim 1, it is characterised in that：Rice shoot conveys feed mechanism packet
Include servo motor, chain-drive mechanism, belt conveyor；Servo motor drives belt conveyor fortune by chain-drive mechanism
Row；Rice shoot is placed on belt, in a row along left and right directions arrangement, multirow is arranged with along front-rear direction.
10. a kind of hand type ordered seedling throwing machine according to claim 2, it is characterised in that：What two groups of manipulator seedlings pressed from both sides
Movement locus is rectangle, and the manipulator seedling folder on the left side is advanced counterclockwise, and the manipulator seedling folder on the right is advanced clockwise, works as the left side
Manipulator seedling folder positioned at rectangle the lower left corner when, the right manipulator seedling folder positioned at rectangle the upper left corner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820303556.1U CN207948105U (en) | 2018-03-06 | 2018-03-06 | A kind of hand type ordered seedling throwing machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820303556.1U CN207948105U (en) | 2018-03-06 | 2018-03-06 | A kind of hand type ordered seedling throwing machine |
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| CN207948105U true CN207948105U (en) | 2018-10-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108260386A (en) * | 2018-03-06 | 2018-07-10 | 华南农业大学 | A kind of hand type ordered seedling throwing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108260386A (en) * | 2018-03-06 | 2018-07-10 | 华南农业大学 | A kind of hand type ordered seedling throwing machine |
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Granted publication date: 20181012 |