CN114682509B - Seedling automatic screening device - Google Patents
Seedling automatic screening device Download PDFInfo
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- CN114682509B CN114682509B CN202210433216.1A CN202210433216A CN114682509B CN 114682509 B CN114682509 B CN 114682509B CN 202210433216 A CN202210433216 A CN 202210433216A CN 114682509 B CN114682509 B CN 114682509B
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- seedling
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- sliding
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- 238000012216 screening Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 39
- 230000000670 limiting effect Effects 0.000 claims description 14
- 241000196324 Embryophyta Species 0.000 description 40
- 238000000034 method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C2501/00—Sorting according to a characteristic or feature of the articles or material to be sorted
- B07C2501/0063—Using robots
Landscapes
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
Abstract
The invention relates to the technical field of planting, in particular to an automatic seedling screening device which comprises a double-layer rotary seedling raising frame; the double-layer rotary seedling raising rack comprises 2 frame-shaped track frames, a plurality of bearing board tables which are distributed along the frame-shaped path of the track frames at equal intervals are arranged between the 2 track frames in a sliding manner, plug trays which are distributed in a straight line are arranged on the bearing board tables, and one end of each bearing board table is connected with a chain belt conveyor; the laser height measuring instrument is positioned at one side of the track frame; the seedling clamping mechanism is positioned at one side of the track frame; the lifting mechanism is connected with the seedling clamping mechanism; the transverse displacement mechanism is connected with the lifting mechanism; the oscillating mechanism is connected with the transverse displacement mechanism; the cleaning pool is arranged below the seedling clamping mechanism, and the seedling clamping mechanism can be used for pulling up the plants to be detected and then sending the plants with different heights into the cleaning pool, so that automatic seedling screening is realized, convenience and high efficiency are realized, and labor consumption is reduced.
Description
Technical Field
The invention relates to the technical field of planting, in particular to an automatic seedling screening device.
Background
The seedling refers to a young plant which is grown to 2 pairs of true leaves after seed sowing and germination, and is grown to a plump tray as a standard and is suitable for being transplanted to other environments for growth.
The screening of seedlings with the same plant height is the key for the next experiment, however, the current small seedling screening method is extremely backward, the manual seedling selection and cleaning are mainly carried out by the basic judgment of people, the work is extremely labor-consuming, and based on the fact, the patent provides a novel seedling selection device.
Disclosure of Invention
The invention aims to provide an automatic seedling screening device for solving the problems in the background technology.
The technical scheme of the invention is as follows: the seedling automatic screening device comprises a double-layer rotary seedling raising frame;
the double-layer rotary seedling raising rack comprises 2 frame-shaped track frames, a plurality of bearing board tables which are distributed along the frame-shaped path of the track frames at equal intervals are arranged between the 2 track frames in a sliding manner, plug trays which are distributed in a straight line are arranged on the bearing board tables, and one end of each bearing board table is connected with a chain belt conveyor;
the laser height measuring instrument is positioned at one side of the track frame;
the seedling clamping mechanism is positioned at one side of the track frame;
the lifting mechanism is connected with the seedling clamping mechanism;
the transverse displacement mechanism is connected with the lifting mechanism;
the oscillating mechanism is connected with the transverse displacement mechanism;
the cleaning pool is arranged below the seedling clamping mechanism.
Further, the track frame is provided with a back-shaped track groove along a rectangular path, vertical parts on two sides of the track groove are of a double-vertical-bar groove structure, each end of the bearing plate table is provided with 2 supporting shafts, the structure of the 2 supporting shafts is matched with the double-vertical-bar groove structure, and one supporting shaft is rotationally connected with the chain belt conveyor.
Further, the bearing plate table is detachably clamped with the plug;
the top of loading board platform is provided with the recess of bar, the bottom both sides of cave dish are provided with curved arch respectively, and the protruding and the recess structure phase-match of loading board platform of cave dish.
Further, the laser altimeter comprises a laser transmitter and a laser receiver which are horizontally arranged, and the laser transmitter and the laser receiver are respectively positioned at two sides of the vertical part at one side of the track frame.
Further, the seedling clamping mechanism comprises 2 clamping jaws, a sliding rod is arranged between the 2 clamping jaws in a sliding way, a return spring is sleeved outside the sliding rod, and two ends of the return spring are respectively propped against the 2 clamping jaws;
one side that 2 clamping jaws are close to each other articulates there is a transmission arm, and 2 one end that the clamping jaw was kept away from to the transmission arm are close to each other, and 2 one end that the clamping jaw was kept away from to the transmission arm articulates there is the horizontal platform to 2 one side that the transmission arm kept away from mutually each sliding connection has a second pulley, and 2 second pulleys all are connected with spacing, and one side of spacing is connected with flexible jar, and flexible jar is fixed to be set up on the horizontal platform.
Further, a spring piece is arranged on one side of the clamping jaw, one end of the spring piece is connected with the clamping jaw, and a soft rubber air bag is arranged on one side of the spring piece.
Further, elevating system includes vertical slide rail, one side and the horizontal displacement mechanism of vertical slide rail are connected, and the centre slip of vertical slide rail is provided with the slide, and one side fixedly connected with cross table of slide, and the opposite side of slide is provided with first pulley, and first pulley sliding connection has the guide rail, and one of them section of guide rail is "V" font structure.
Further, the transverse displacement mechanism comprises a vertical track bar, one end of the push-pull rod is connected with the vertical slide rail, the other end of the push-pull rod is provided with the vertical track bar, one side of the vertical track bar is movably connected with one end of a rotating arm, the other end of the rotating arm is connected with a transmission shaft, and one end of the transmission shaft is connected with a driving motor;
the middle part of push-and-pull rod is connected with the spacing wheel from top to bottom, and one side of spacing wheel is connected with the grudging post.
Further, the oscillating mechanism comprises an eccentric wheel, the middle part of the eccentric wheel is connected with a transmission shaft, one side of the driving motor is connected with a support, and the lower side of the support is connected with a base through a first spring;
the first pulley is in spherical hinge with the sliding seat, and a second spring is connected between the first pulley and the sliding seat;
the eccentric wheel is connected with the transmission shaft and the rotating arm is connected with the transmission shaft through a one-way bearing respectively, and the locking directions of the eccentric wheel and the rotating arm are opposite.
Further, a classifying and conveying unit is arranged on one side of the cleaning pool, and the classifying and conveying unit is positioned below the seedling clamping mechanism;
the classifying conveyor unit comprises a plurality of belt conveyors which are distributed side by side.
The invention provides an automatic seedling screening device through improvement, and compared with the prior art, the automatic seedling screening device has the following improvement and advantages:
the method comprises the following steps: according to the invention, the upper plug of the double-layer rotary seedling raising frame can be used for planting, plants planted on the upper plug can move circularly along a frame-shaped path of the double-layer rotary seedling raising frame under the drive of the chain belt conveyor, the plants are automatically transferred to a laser height measuring instrument in batches, the plant height is automatically measured, then the seedling clamping mechanism is driven by the lifting mechanism, the transverse displacement mechanism and the oscillating mechanism to operate in a matched manner, the plants after being measured in height are pulled up firstly and then are sent to the cleaning pool, and then the plants with different heights are distributed to different positions, so that automatic seedling screening is realized, convenience and high efficiency are realized, and the manpower consumption is reduced;
and two,: according to the invention, the bearing plate table not only can be kept horizontal when moving along the transverse part of the track frame, but also can be kept horizontal when moving along the vertical part of the track frame under the limiting action of the double vertical bar groove structure, so that the plug can be kept horizontal all the time in the process of rotary conveying and cannot fall down; and thirdly,: according to the seedling raising device, the telescopic cylinder enables the two second pulleys to move forwards simultaneously by pushing the limiting strips, so that the 2 transmission arms can be extruded to rotate and approach, and further the 2 clamping jaws are driven to slide and approach, so that the 2 clamping jaws can automatically grab seedling plants, after the seedling plants are grabbed, the bearing plate platform drives the plug tray to move downwards, and the seedling plants can be automatically pulled up, so that automatic seedling raising is realized;
fourth, it is: according to the invention, the spring piece can provide elastic support for the soft rubber air bag, the soft rubber air bag has elasticity and is softer, and the friction force of the soft rubber air bag when the soft rubber air bag contacts with plant seedlings can be increased, so that the plant seedlings are safer and more stable when the plant seedlings are pulled up;
fifth, it is: according to the invention, the first pulley on one side of the slide seat can slide along the guide rail, and when the first pulley moves to the part of the V-shaped structure, the first pulley can move downwards along the V-shaped path, so that the transverse table on one side of the slide seat also moves downwards, the descent is realized, and the seedling clamping mechanism can automatically move into the cleaning pool with the clamped plant seedlings, thereby facilitating automatic cleaning;
sixth, it: according to the seedling clamping mechanism, the transverse displacement mechanism, the lifting mechanism, the seedling clamping mechanism and the oscillating mechanism are supported by the first spring and the second spring, when the driving motor drives the eccentric wheel to eccentrically rotate, vibration can be generated, and then the vibration is transmitted to the seedling clamping mechanism through the transverse displacement mechanism and the lifting mechanism, so that the clamped plant seedlings can self-vibrate, oscillation cleaning can be formed, and cleaning of soil on root systems of the seedlings is accelerated.
Drawings
The invention is further explained below with reference to the drawings and examples:
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the seedling clamping mechanism of the present invention;
FIG. 4 is a top view of the seedling clamping mechanism of the present invention;
FIG. 5 is a side view of the lift mechanism of the present invention;
FIG. 6 is a front view of a guide rail of the present invention;
FIG. 7 is a top view of the eccentric and rotating arm of the present invention;
FIG. 8 is a front view of the eccentric of the present invention;
FIG. 9 is a top view of the wash basin of the present invention;
FIG. 10 is a top view of the sortation conveyor assembly of the present invention;
fig. 11 is a cross-sectional view of a loadboard deck of the present invention.
Reference numerals illustrate:
1. a plug;
2. double-layer rotary seedling raising rack; 21. a loading board table; 22. a support shaft; 23. a track frame; 24. a chain belt conveyor;
3. a laser altimeter; 31. a laser emitter; 32. a laser receiver;
4. a lateral displacement mechanism; 41. a vertical track bar; 42. a rotating arm; 43. a support; 44. a push-pull rod; 45. a vertical frame; 46. a limiting wheel; 47. a transmission shaft; 48. a driving motor;
5. an oscillating mechanism; 51. a base; 52. a first spring; 53. an eccentric wheel; 54. a one-way bearing;
6. a lifting mechanism; 61. a vertical slide rail; 62. a slide; 63. a transverse table; 64. a first pulley; 65. a second spring; 66. a guide rail;
7. a seedling clamping mechanism; 71. a clamping jaw; 72. a telescopic cylinder; 73. a limit bar; 74. a second pulley; 75. a transmission arm; 76. a slide bar; 77. a return spring; 78. a spring piece; 79. a soft rubber air bag;
8. classifying the conveyor set;
9. and (5) cleaning the pool.
Detailed Description
The following detailed description of the present invention clearly and fully describes the technical solutions of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides an automatic seedling screening device by improvement, as shown in figures 1-11, comprising a double-layer rotary seedling raising frame 2;
the double-layer rotary seedling raising frame 2 comprises 2 frame-shaped track frames 23,2, a plurality of bearing plate platforms 21 which are distributed along the frame-shaped path of the track frames 23 in an equidistant manner are arranged between the track frames 23 in a sliding manner, the bearing plate platforms 21 are provided with plug trays 1 which are distributed in a line-shaped arrangement manner, and one end of each bearing plate platform 21 is connected with a chain belt conveyor 24;
a laser altimeter 3, the laser altimeter 3 being located at one side of the track frame 23;
the seedling clamping mechanism 7 is positioned on one side of the track frame 23;
the lifting mechanism 6 is connected with the seedling clamping mechanism 7;
the transverse displacement mechanism 4 is connected with the lifting mechanism 6;
the oscillating mechanism 5 is connected with the transverse displacement mechanism 4;
the cleaning pool 9 is arranged below the seedling clamping mechanism 7.
The upper plug 1 of the double-layer rotary seedling raising frame 2 can be used for planting, plants planted on the upper plug can move circularly along the frame-shaped path of the double-layer rotary seedling raising frame 2 under the drive of the chain belt conveyor 24, the plants are automatically transferred to the laser height measuring instrument 3 in batches continuously, the plant height is automatically measured, then the seedling clamping mechanism 7 is driven by the lifting mechanism 6, the transverse displacement mechanism 4 and the oscillating mechanism 5 to operate in a matched mode, the plants which are detected are pulled up firstly and then are sent to the cleaning pool 9, and then the plants with different heights are distributed to different positions, so that the seedlings can be automatically screened, the seedlings are convenient and efficient, and the manpower consumption is reduced.
The track frame 23 is provided with a circular track groove along a rectangular path, vertical parts on two sides of the track groove are of a double-vertical-bar groove structure, each end of the bearing plate table 21 is provided with 2 support shafts 22, the structure of each 2 support shafts 22 is matched with the double-vertical-bar groove structure, one support shaft 22 is rotationally connected with the chain belt conveyor 24, and a chain belt body of the chain belt conveyor 24 is rotationally connected with the support shaft 22; the loading board bench 21 not only can keep horizontal when moving along the transverse part of the track frame 23, but also can keep horizontal when moving along the vertical part of the track frame 23 under the limiting effect of the double vertical bar groove structure, so that the plug 1 can always keep horizontal in the process of rotary conveying and cannot topple over.
The bearing plate table 21 is detachably clamped with the plug 1;
the top of the bearing plate table 21 is provided with a strip-shaped groove, two sides of the bottom of the plug 1 are respectively provided with an arc-shaped bulge, and the bulges of the plug 1 are matched with the groove structure of the bearing plate table 21; the plug 1 can be conveniently fixed on the bearing plate table 21, and can be conveniently detached from the bearing plate table 21, so that the plug is convenient to clean and replace.
The laser altimeter 3 comprises a laser emitter 31 and a laser receiver 32 which are horizontally arranged, wherein the laser emitter 31 and the laser receiver 32 are respectively positioned at two sides of a vertical part at one side of the track frame 23; under normal state, laser receiver 32 can receive the laser that laser emitter 31 sent, when the seedling in the cave dish 1 along with loading board platform 21 from top to bottom vertical movement to between laser emitter 31 and the laser receiver 32, laser emitter 31 sent can be sheltered from, laser receiver 32 can not receive the laser, then can judge that the seedling removes between the two, record the starting time that laser receiver 32 can't receive the laser, along with the movement of loading board platform 21, after seedling and cave dish 1 remove and leave between laser emitter 31 and the laser receiver 32, the laser is no longer sheltered from, laser receiver 32 can continue to receive the laser, record laser receiver 32 resumes the time of receiving the laser, this time and the interval of above-mentioned starting time multiply the speed of moving of loading board platform 21, then can obtain the height of seedling plant.
The seedling clamping mechanism 7 comprises 2 clamping jaws 71,2, a sliding rod 76 is arranged between the clamping jaws 71 in a sliding manner, a return spring 77 is sleeved outside the sliding rod 76, and two ends of the return spring 77 respectively prop against the 2 clamping jaws 71;
one side, close to the clamping jaw 71, of each 2 clamping jaws 71 is hinged with one transmission arm 75,2, one end, far away from the clamping jaw 71, of each transmission arm 75 is close to each other, one end, far away from the clamping jaw 71, of each 2 transmission arms 75 is hinged with a transverse table 63, one side, far away from each 2 transmission arms 75, of each transmission arm is connected with one second pulley 74,2 in a sliding manner, each second pulley 74 is connected with a limiting bar 73, one side of each limiting bar 73 is connected with a telescopic cylinder 72, each telescopic cylinder 72 is fixedly arranged on the transverse table 63, and each telescopic cylinder 72 can be an electric cylinder, an air cylinder or a push-pull electromagnet; the telescopic cylinder 72 enables the two second pulleys 74 to move forward simultaneously by pushing the limiting strips 73, so that the 2 transmission arms 75 can be extruded to rotate to be close to each other, the 2 clamping jaws 71 are driven to slide to be close to each other, the 2 clamping jaws 71 can automatically grab seedling plants, after the seedling plants are gripped, the bearing plate table 21 drives the plug tray 1 to move downwards, the seedling plants can be automatically pulled up, automatic seedling lifting is achieved, and after the telescopic cylinder 72 is retracted, the 2 clamping jaws 71 can be automatically separated under the action of elastic force pushing of the return springs 77.
A spring piece 78 is arranged on one side of the clamping jaw 71, one end of the spring piece 78 is connected with the clamping jaw 71, and a soft rubber air bag 79 is arranged on one side of the spring piece 78; the spring piece 78 can provide elastic support for the soft rubber air bag 79, and the soft rubber air bag 79 has elasticity and is softer, and the friction force when contacting with plant seedlings can be increased, so that the plant seedlings are safer and more stable when being pulled up.
The lifting mechanism 6 comprises a vertical sliding rail 61, one side of the vertical sliding rail 61 is connected with the transverse displacement mechanism 4, a sliding seat 62 is arranged in the middle of the vertical sliding rail 61 in a sliding manner, a transverse table 63 is fixedly connected to one side of the sliding seat 62, a first pulley 64 is arranged on the other side of the sliding seat 62, a guide rail 66 is connected to the first pulley 64 in a sliding manner, and one section of the guide rail 66 is of a V-shaped structure; the first pulley 64 on one side of the sliding seat 62 can slide along the guide rail 66, when the first pulley 64 moves to the part with the V-shaped structure, the first pulley 64 can move downwards along the V-shaped path, so that the transverse table 63 on one side of the sliding seat 62 also moves downwards, the falling is realized, and the seedling clamping mechanism 7 can automatically move to the cleaning tank 9 with the clamped plant seedlings, thereby being convenient for automatic cleaning.
The transverse displacement mechanism 4 comprises a vertical track bar 41, one end of a push-pull rod 44 is connected with a vertical sliding rail 61, the other end of the push-pull rod 44 is provided with the vertical track bar 41, one side of the vertical track bar 41 is movably connected with one end of a rotating arm 42, the rotating arm 42 is in sliding connection and also in rotating connection with the vertical track bar 41, the other end of the rotating arm 42 is connected with a transmission shaft 47, and one end of the transmission shaft 47 is connected with a driving motor 48;
the upper part and the lower part of the middle part of the push-pull rod 44 are respectively connected with a limiting wheel 46, and one side of the limiting wheel 46 is connected with a vertical frame 45; the driving motor 48 drives the rotating arm 42 to rotate unidirectionally through the transmission shaft 47, so that the vertical track bar 41 can be transversely pushed in a reciprocating manner, the push-pull rod 44 can further push and pull, and the seedling clamping mechanism 7 is driven to automatically move in and out of the double-layer rotary seedling raising frame 2;
the rotation angle of the driving motor 48 is controlled by the controller, and the propulsion distance is controlled by controlling the rotation angle.
The oscillating mechanism 5 comprises an eccentric wheel 53, the middle part of the eccentric wheel 53 is connected with a transmission shaft 47, one side of a driving motor 48 is connected with a support 43, and the lower side of the support 43 is connected with a base 51 through a first spring 52;
a spherical hinge is arranged between the first pulley 64 and the sliding seat 62, and a second spring 65 is connected between the first pulley 64 and the sliding seat 62;
the eccentric wheel 53 and the transmission shaft 47 as well as the rotating arm 42 and the transmission shaft 47 are respectively connected through a one-way bearing 54, the locking directions of the eccentric wheel 53 and the rotating arm 42 are opposite, and the one-way bearing 54 is specifically a one-way ratchet bearing; the transverse displacement mechanism 4, the lifting mechanism 6, the seedling clamping mechanism 7 and the oscillating mechanism 5 are supported by the first spring 52 and the second spring 65, when the driving motor 48 drives the eccentric wheel 53 to eccentrically rotate, vibration can be generated, and then the vibration is transmitted to the seedling clamping mechanism 7 through the transverse displacement mechanism 4 and the lifting mechanism 6, so that the clamped plant seedlings can self-vibrate, the vibration effect is carried out when the plant seedlings move into the cleaning pool 9, vibration cleaning can be formed, and cleaning of soil on root systems of the plant seedlings is accelerated;
under the transmission effect of the one-way bearing 54, when the transmission shaft 47 rotates in one direction, the rotating arm 42 can be driven to rotate, the eccentric wheel 53 cannot be driven to rotate, when the transmission shaft 47 rotates in the other direction, the eccentric wheel 53 can be driven to rotate, the rotating arm 42 cannot be driven, the transverse movement can be stopped temporarily, and vibration cleaning is performed.
A classifying conveyor set 8 is arranged on one side of the cleaning pool 9, and the classifying conveyor set 8 is positioned below the seedling clamping mechanism 7;
the sorting conveyor set 8 comprises a plurality of belt conveyors which are distributed side by side; according to the height of seedling plants measured by the laser height measuring instrument 3, the transverse displacement mechanism 4 drives the seedling clamping mechanism 7 to move to the upper positions of different belt conveyors, so that seedling plants with different heights can be distributed on different belt conveyors, and the automatic delivery of screened seedlings is realized.
Working principle: seeds can be planted in the plug 1, the upper layer, the lower layer and the left side and the right side of the double-layer rotary seedling raising frame 2 can be planted to form a frame-shaped planting ring, and space is efficiently utilized;
when screening is started, the chain belt conveyor 24 rotates at a constant speed, the bearing plate table 21, the plug tray 1 and the seedlings are driven to move along the track frame 23 in a rectangular frame-shaped path, and when the seedlings in the plug tray 1 vertically move between the laser emitter 31 and the laser receiver 32 along with the bearing plate table 21 from top to bottom, the heights of seedling plants can be automatically calculated;
then, the seedling plant continues to move to the height of the seedling clamping mechanism 7, the driving motor 48 drives the rotating arm 42 to rotate unidirectionally through the transmission shaft 47, and the vertical track bar 41 can be pushed transversely and reciprocally, so that the push-pull rod 44 can push and pull the seedling clamping mechanism 7 to automatically move in and out of the double-layer rotary seedling raising frame 2;
after the clamping jaw 71 of the seedling clamping mechanism 7 stretches to the seedling position on the plug 1, the telescopic cylinder 72 enables the two second pulleys 74 to move forward simultaneously by pushing the limiting strips 73, so that the 2 transmission arms 75 can be extruded to rotate and approach, and further the 2 clamping jaws 71 are driven to slide and approach, so that the 2 clamping jaws 71 can automatically grab seedling plants, after the seedling plants are gripped, the bearing plate table 21 drives the plug 1 to move downwards, so that the seedling plants can be automatically pulled up, and automatic seedling lifting is realized;
then, the transverse displacement mechanism 4 pulls the seedling clamping mechanism 7 to move away from the position of the plug 1, under the action of the guide rail 66, the first pulley 64 on one side of the slide seat 62 can slide along the guide rail 66, and when the first pulley 64 moves to the V-shaped structure of the guide rail 66, the first pulley 64 can move downwards along the V-shaped path, so that the transverse table 63 on one side of the slide seat 62 also moves downwards, the seedling clamping mechanism 7 can move into the cleaning pool 9 automatically with the clamped seedlings;
the transverse displacement mechanism 4, the lifting mechanism 6, the seedling clamping mechanism 7 and the oscillating mechanism 5 are supported by the first spring 52 and the second spring 65, when the driving motor 48 drives the eccentric wheel 53 to eccentrically rotate, vibration can be generated, and then the vibration is transmitted to the seedling clamping mechanism 7 through the transverse displacement mechanism 4 and the lifting mechanism 6, so that the clamped plant seedlings can self-vibrate to form oscillation cleaning, and cleaning of soil on the root systems of the seedlings is accelerated;
finally, according to the heights of seedling plants measured by the laser height measuring instrument 3, the transverse displacement mechanism 4 drives the seedling clamping mechanism 7 to move to the positions above different belt conveyors, so that the seedling plants with different heights can be distributed on the different belt conveyors, and the automatic delivery of the screened seedlings is realized.
Claims (6)
1. Seedling autofilter device, its characterized in that: comprises a double-layer rotary seedling raising frame (2);
the double-layer rotary seedling raising frame (2) comprises 2 frame-shaped track frames (23), a plurality of bearing board platforms (21) which are distributed along the frame-shaped path of the track frames (23) in an equidistant manner are arranged between the 2 track frames (23), the bearing board platforms (21) are provided with plug trays (1) which are distributed in a straight line arrangement manner, and one end of each bearing board platform (21) is connected with a chain belt conveyor (24);
the laser height measuring instrument (3), the laser height measuring instrument (3) is positioned at one side of the track frame (23);
the seedling clamping mechanism (7), the seedling clamping mechanism (7) is positioned at one side of the track frame (23);
the lifting mechanism (6), the lifting mechanism (6) is connected with the seedling clamping mechanism (7);
the transverse displacement mechanism (4), the transverse displacement mechanism (4) is connected with the lifting mechanism (6);
the oscillating mechanism (5), the oscillating mechanism (5) is connected with the transverse displacement mechanism (4);
the cleaning pool (9) is arranged below the seedling clamping mechanism (7);
the seedling clamping mechanism (7) comprises 2 clamping jaws (71), a sliding rod (76) is arranged between the 2 clamping jaws (71) in a sliding way, a return spring (77) is sleeved outside the sliding rod (76), and two ends of the return spring (77) are respectively propped against the 2 clamping jaws (71);
one side, close to each other, of the 2 clamping jaws (71) is hinged with a transmission arm (75), one end, far away from the clamping jaws (71), of the 2 transmission arms (75) is close to each other, one end, far away from the clamping jaws (71), of the 2 transmission arms (75) is hinged with a transverse table (63), one side, far away from the 2 transmission arms (75), of each transmission arm is connected with a second pulley (74) in a sliding manner, the 2 second pulleys (74) are connected with limiting bars (73), one side of each limiting bar (73) is connected with a telescopic cylinder (72), and the telescopic cylinders (72) are fixedly arranged on the transverse table (63);
the lifting mechanism (6) comprises a vertical sliding rail (61), one side of the vertical sliding rail (61) is connected with the transverse displacement mechanism (4), a sliding seat (62) is arranged in the middle of the vertical sliding rail (61) in a sliding manner, a transverse table (63) is fixedly connected to one side of the sliding seat (62), a first pulley (64) is arranged on the other side of the sliding seat (62), a guide rail (66) is connected to the first pulley (64) in a sliding manner, and one section of the guide rail (66) is of a V-shaped structure;
the transverse displacement mechanism (4) comprises a vertical track bar (41), one end of a push-pull rod (44) is connected with a vertical sliding rail (61), the other end of the push-pull rod (44) is provided with the vertical track bar (41), one side of the vertical track bar (41) is movably connected with one end of a rotating arm (42), the other end of the rotating arm (42) is connected with a transmission shaft (47), and one end of the transmission shaft (47) is connected with a driving motor (48);
the upper part and the lower part of the middle part of the push-pull rod (44) are respectively connected with a limiting wheel (46), and one side of the limiting wheel (46) is connected with a vertical frame (45);
the oscillating mechanism (5) comprises an eccentric wheel (53), the middle part of the eccentric wheel (53) is connected with a transmission shaft (47), one side of the driving motor (48) is connected with a support (43), and the lower side of the support (43) is connected with a base (51) through a first spring (52);
a spherical hinge is arranged between the first pulley (64) and the sliding seat (62), and a second spring (65) is connected between the first pulley (64) and the sliding seat (62);
the eccentric wheel (53) is connected with the transmission shaft (47) and the rotating arm (42) is connected with the transmission shaft (47) through a one-way bearing (54), and the locking directions of the eccentric wheel (53) and the rotating arm (42) are opposite.
2. The automatic seedling screening device according to claim 1, wherein: the track frame (23) is provided with a back-shaped track groove along a rectangular path, vertical parts on two sides of the track groove are of a double-vertical-bar groove structure, each end of the bearing board table (21) is provided with 2 supporting shafts (22), the structure of the 2 supporting shafts (22) is matched with the double-vertical-bar groove structure, and one supporting shaft (22) is rotationally connected with the chain belt conveyor (24).
3. The automatic seedling screening device according to claim 1, wherein: the bearing plate table (21) is detachably clamped with the plug (1);
the top of loading board platform (21) is provided with the recess of bar, the bottom both sides of cave dish (1) are provided with arc protruding respectively, and the protruding and the recess structure phase-match of loading board platform (21) of cave dish (1).
4. The automatic seedling screening device according to claim 1, wherein: the laser altimeter (3) comprises a laser emitter (31) and a laser receiver (32) which are horizontally arranged, and the laser emitter (31) and the laser receiver (32) are respectively positioned at two sides of the vertical part at one side of the track frame (23).
5. The automatic seedling screening device according to claim 1, wherein: one side of the clamping jaw (71) is provided with a spring piece (78), one end of the spring piece (78) is connected with the clamping jaw (71), and one side of the spring piece (78) is provided with a soft rubber air bag (79).
6. The automatic seedling screening device according to claim 1, wherein: one side of the cleaning pool (9) is provided with a classifying and conveying unit (8), and the classifying and conveying unit (8) is positioned below the seedling clamping mechanism (7);
the sorting conveyor unit (8) comprises a plurality of belt conveyors distributed side by side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210433216.1A CN114682509B (en) | 2022-04-24 | 2022-04-24 | Seedling automatic screening device |
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| CN202210433216.1A CN114682509B (en) | 2022-04-24 | 2022-04-24 | Seedling automatic screening device |
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| CN114682509A CN114682509A (en) | 2022-07-01 |
| CN114682509B true CN114682509B (en) | 2024-03-19 |
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|---|---|
| CN114682509A (en) | 2022-07-01 |
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