CN108781665B - Automatic seedling feeding, taking and throwing device and method of plug seedling transplanter - Google Patents
Automatic seedling feeding, taking and throwing device and method of plug seedling transplanter Download PDFInfo
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- CN108781665B CN108781665B CN201810573273.3A CN201810573273A CN108781665B CN 108781665 B CN108781665 B CN 108781665B CN 201810573273 A CN201810573273 A CN 201810573273A CN 108781665 B CN108781665 B CN 108781665B
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/02—Transplanting machines for seedlings
- A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
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Abstract
The invention belongs to the technical field of agricultural mechanized transplanting, and particularly relates to an automatic seedling feeding, taking and throwing device and method of a plug seedling transplanter. The device comprises a rack, a seedling conveying mechanism and a seedling taking and throwing mechanism, wherein the seedling conveying mechanism comprises a lead screw driving motor, a chain driving motor, a slide rail, a side plate, a vibrating plate, a chain, a seedling tray bottom plate, a driven shaft, a driving shaft, a rear slide block support, a slide rail slide block, a first connecting frame, a ball screw, a lead screw slide block, a second connecting frame, a third connecting frame and a front slide block support; the seedling taking and throwing mechanism comprises a supporting vertical plate, a seedling guide pipe bracket, an air blowing pipe and a seedling guide pipe. The invention separates the pot seedlings from the plug seedling tray by means of vibration, then takes the pot seedlings out from the lower part of the plug seedling tray, and directly throws the pot seedlings, so that the processes of taking and throwing the pot seedlings are integrated, the efficiency is higher, the conditions of crushing the matrix of the pot seedlings, injuring the roots and the like can be effectively avoided, and the survival rate of the pot seedlings after transplantation is greatly improved.
Description
Technical Field
The invention belongs to the technical field of agricultural mechanized transplanting, and particularly relates to an automatic seedling feeding, taking and throwing device and method of a plug seedling transplanter.
Background
The vegetable transplanting technology is basically adopted at present, can fully utilize photo-thermal resources, improves the multiple cropping index of crops, and has the compensation effect on climate and the comprehensive benefit of advancing the growing period of the crops. The seedling transplanting technology can advance seedling in a protected area, shorten the growth period of crops in a field, improve the land utilization rate or prolong the fruit harvesting period, thereby increasing the multiple cropping index and yield of a unit area. The seedling transplanting technology can also establish the early advantages of crops on weeds, mature in advance, increase the early yield and improve the economic benefit. However, the current transplanting technology in China still mainly adopts semi-automatic transplanting, seedlings are taken manually in the transplanting operation, and then the taken pot seedlings are fed into a corresponding conveying device or directly fed into a planting device, so that the manual seedling feeding speed is limited, the number of operators and subsequent auxiliary personnel is large, the transplanting efficiency is not high, and the mechanical benefit is not obvious. Therefore, the research of the full-automatic transplanter capable of operating at high speed is an urgent need for popularization and development of transplanting industry in China, and the key of the full-automatic transplanting technology is to realize the automation of seedling feeding, seedling taking and seedling throwing.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide an automatic seedling feeding, taking and throwing device of a plug seedling transplanter.
The invention also aims to provide an automatic seedling conveying, taking and throwing method of the plug seedling transplanter.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an automatic seedling that send of plug seedling transplanter gets seedling and throws seedling device for throw into 3 alms bowl seedlings in matrix plug seedling dish 1 of multirow multiseriate and send into the mechanism of planting of transplanter, the device include frame 4, send seedling mechanism and get the seedling and throw seedling mechanism, frame 4 includes front beam 31, rear beam 22 and left and right longeron.
The seedling conveying mechanism comprises a screw rod driving motor 7, a chain driving motor 9, a slide rail 11, a side plate 12, a vibration plate 13, a chain 14, a seedling tray bottom plate 16, a driven shaft 17, a driving shaft 20, a rear slide block support 21, a slide rail slide block 23, a first connecting frame 24, a ball screw rod 25, a screw rod slide block 26, a second connecting frame 27, a third connecting frame 28 and a front slide block support 30;
the front sliding block bracket 30, the third connecting frame 28, the second connecting frame 27, the first connecting frame 24 and the rear sliding block bracket 21 are fixedly connected between the two side plates 12 at intervals from front to back in sequence; the front part and the rear part of the lower surface of the seedling tray bottom plate 16 are fixedly connected to the upper end surfaces of the front slider bracket 30 and the third connecting frame 28 respectively; a group of guide rods 34 are respectively and vertically fixedly connected to the front part and the rear part of the lower surface of the vibrating plate 13, and springs 32 are respectively sleeved on the outer sides of the two groups of guide rods 34 and are respectively inserted into guide holes formed in the second connecting frame 27 and the rear sliding block support 21; a vibrator 33 is arranged in the middle of the lower surface of the vibrating plate 13; the seedling tray bottom plate 16 and the vibrating plate 13 are spaced by a certain distance and are positioned in the same plane;
the driven shaft 17 and the driving shaft 20 are respectively arranged at two ends of the two side plates 12 through bearing seats 10, a pair of driving chain wheels 19 is arranged on the driving shaft 20, and a pair of driven chain wheels 18 is arranged on the driven shaft 17; the chain 14 is sleeved between the driving chain wheel 19 and the driven chain wheel 18, wherein an upper layer chain is positioned above the driving chain wheel; the upper chain of the chain 14 is positioned above the upper surfaces of the vibrating plate 13 and the seedling tray bottom plate 16;
a plurality of shift levers 29 are arranged on the chain 14 at equal intervals;
the distance between adjacent deflector rods 29 is equal to the length of the seedling hole row of the seedling hole tray 1, so that each deflector rod 29 is positioned in the seedling hole row interval of the seedling hole tray 1 placed on the vibrating plate 13;
the power output shaft of the chain driving motor 9 is connected with the driving shaft 20, and the driving shaft 20 is driven to rotate intermittently, so that the chain 14 moves by the length of a seedling hole row of one hole seedling tray 1 in each motion period;
the two slide rails 11 are respectively and fixedly connected to a front cross beam 31 and a rear cross beam 22 of the frame 1, and the lower end surfaces of the front slider bracket 30 and the rear slider bracket 21 are respectively provided with a slide rail slider 23 corresponding to the slide rail 11; the lead screw slide block 26 is fixedly connected between the second connecting frame 27 and the first connecting frame 24, and the ball screw 25 horizontally penetrates through the lead screw slide block 26 and the two side plates 12 and is connected with a lead screw driving motor 7 fixedly connected on a longitudinal beam of the rack 4;
the seedling taking and throwing mechanism comprises a supporting vertical plate 35, a seedling guide pipe bracket 5, an air blowing pipe bracket 6, an air blowing pipe 8 and a seedling guide pipe 15;
two ends of the seedling guide pipe support 5 respectively penetrate through the two side plates 12 and are vertically and fixedly connected with a supporting vertical plate 35 fixedly connected to the middle part of a longitudinal beam of the frame 4, and the seedling guide pipe support 5 is arranged between the vibrating plate 13 and the seedling tray bottom plate 16 and is positioned in the same plane with the vibrating plate 13 and the seedling tray bottom plate 16;
a seedling throwing port 36 is formed in the middle of the seedling guide pipe support 5, and the seedling throwing port 36 is connected with the seedling guide pipe 15;
the blowing pipe support 6 is parallel to the seedling guide pipe support 5 and is positioned right above the seedling guide pipe support 5, and two ends of the blowing pipe support 6 are respectively and vertically fixedly connected with the supporting vertical plates 35;
the air blowing pipe 8 corresponds to the seedling throwing port 36 and is vertically and fixedly connected to the middle part of the air blowing pipe bracket 6.
Seedling holes of the plug seedling tray 1 are through hollow cylinders, and pot seedlings 3 finish the seedling culture process in the seedling holes of the plug seedling tray 1 through the seedling culture bags 2.
The seedling raising bag 2 is made of non-woven fabrics.
The seedling guide pipe 15 is provided with a detection sensor 37, and the detection sensor detects whether the pot seedlings 3 pressed into the seedling guide pipe 15 are smoothly delivered into the planting mechanism of the transplanter through detection holes arranged on the seedling guide pipe 15.
An automatic seedling feeding, taking and throwing method of a plug seedling transplanter by utilizing the device comprises the following steps:
1) automatic seedling conveying: horizontally and intermittently conveying a plurality of rows and a plurality of columns of matrix type seedling hole trays 1 to the position right above the planting mechanism through a seedling conveying mechanism; in the automatic seedling feeding process, the potted seedling tray 1 is vibrated through the vibrator 33, so that the potted seedlings 3 are pre-separated from the inner wall of the seedling hole of the potted seedling tray 1;
2) taking and throwing seedlings in one step: when the pot seedlings 3 in the hole seedling tray 1 pass through the seedling throwing port 36 right above the planting mechanism, the pot seedlings 3 fall into the seedling throwing port 36 by means of self gravity; in the process of one-step seedling taking and throwing, downward-pressing air flow is adopted to assist seed falling, so that the pot seedlings 3 smoothly fall into the planting mechanism from the seedling holes of the hole seedling tray 1.
The seedling cave of cave seedling dish 1 is through hollow cylinder from top to bottom, and alms bowl seedling 3 accomplishes the process of growing seedlings through educating seedling bag 2 in the seedling cave of cave seedling dish 1, educates seedling bag 2's material and is the non-woven fabrics.
Compared with the prior art, the invention has the beneficial effects that:
1. the matched seedling tray wraps the pot seedlings by the non-woven fabrics, so that the problem of matrix breakage in the transplanting process is effectively avoided, and the survival rate of the pot seedlings after transplanting is improved.
2. The invention separates the pot seedlings from the plug seedlings by a vibration mode, and has simple structure and high efficiency.
3. According to the invention, the pot seedlings are taken out from the lower part of the seedling tray in the seedling taking process, then the seedling throwing process is directly completed, the seedling taking and the seedling throwing are integrated, the seedling holes of the hole seedling tray are cylindrical, the resistance is effectively reduced when the seedlings are taken downwards, the seedling injury rate is low, and the pot seedlings are simple, convenient, time-saving and labor-saving.
4. The invention utilizes the self gravity of the pot seedlings to complete the seedling throwing process, and simultaneously assists the air blowing device to ensure the successful throwing of the pot seedlings.
5. The invention is provided with the seedling throwing detection device, can judge whether the pot seedlings are correctly thrown, corrects the seedling throwing process in time and improves the seedling throwing accuracy.
In conclusion, the invention provides a lower seedling emergence type automatic seedling taking method, which is different from the conventional seedling taking device, the invention separates pot seedlings from a seedling disc by vibration through the arrangement of a corresponding straight-through type seedling disc and pot seedlings wrapped by non-woven fabrics, then takes the pot seedlings out from the lower part of the seedling disc, and directly throws the pot seedlings, so that the seedling taking and throwing processes are integrated, the efficiency is higher, the structure is simpler, the automatic seedling taking and throwing processes of the transplanting device are realized, simultaneously the wrapping of the pot seedlings by the non-woven fabrics can effectively avoid the conditions of crushing of a pot seedling matrix, injury of roots and the like, and the survival rate of the pot seedlings after transplanting is greatly improved.
Drawings
FIG. 1 is a schematic structural view of an automatic seedling feeding, taking and throwing device of a plug seedling transplanter of the present invention;
FIG. 2a is a schematic structural diagram of a hole seedling tray 1 according to the present invention;
FIG. 2b is a cross-sectional view of the hole seedling tray 1 of the present invention;
FIG. 3a is a schematic structural view of a seedling feeding mechanism;
fig. 3b is a schematic view of the mounting of the vibration plate 13;
FIG. 4 is a schematic structural view of a seedling picking and throwing mechanism;
FIG. 5 is a schematic view showing the state of picking and casting seedlings.
Wherein the reference numerals are:
1 cave seedling dish 2 bag of growing seedlings
3 pot seedling 4 machine frame
5 seedling guide pipe support 6 blowing pipe support
7 leading screw driving motor 8 gas blow pipe
9 chain drive motor 10 bearing seat
11 slide rail 12 side plate
13 vibrating plate 14 chain
15 lead 16 seedling tray bottom plates of seedling pipe
17 driven shaft 18 driven sprocket
19 drive sprocket 20 drive shaft
21 rear slide block bracket 22 rear cross beam
23 slide rail slide block 24 first connecting frame
25 ball screw and 26 screw slide block
27 second connecting frame 28 third connecting frame
29 deflector rod 30 front slider bracket
31 front beam 32 spring
33 vibrator 34 guide rod
35 support vertical plate 36 seedling throwing port
37 detection sensor
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in figure 1, the automatic seedling feeding, taking and throwing device of the plug seedling transplanter comprises a frame 4, a seedling feeding mechanism and a seedling taking and throwing mechanism, and is used for throwing pot seedlings 3 in a matrix type plug seedling tray 1 with multiple rows and multiple columns into a planting mechanism of the transplanter, as shown in figures 2a and 2b, seedling holes of the plug seedling tray 1 are hollow cylinders which are through up and down, and the pot seedlings 3 complete a seedling raising process in the seedling holes of the plug seedling tray 1 through seedling raising bags 2. The seedling raising bag 2 is made of non-woven fabrics.
The frame 4 comprises a front cross beam 31, a rear cross beam 22, a left longitudinal beam and a right longitudinal beam.
As shown in fig. 3a and 3b, the seedling conveying mechanism comprises a screw driving motor 7, a chain driving motor 9, a slide rail 11, a side plate 12, a vibration plate 13, a chain 14, a seedling tray bottom plate 16, a driven shaft 17, a driving shaft 20, a rear slide block support 21, a slide rail slide block 23, a first connecting frame 24, a ball screw 25, a screw slide block 26, a second connecting frame 27, a third connecting frame 28 and a front slide block support 30.
The front sliding block bracket 30, the third connecting frame 28, the second connecting frame 27, the first connecting frame 24 and the rear sliding block bracket 21 are fixedly connected between the two side plates 12 at intervals from front to back in sequence; the front part and the rear part of the lower surface of the seedling tray bottom plate 16 are fixedly connected to the upper end surfaces of the front slider bracket 30 and the third connecting frame 28 respectively; a group of guide rods 34 are respectively and vertically fixedly connected to the front part and the rear part of the lower surface of the vibrating plate 13, and springs 32 are respectively sleeved on the outer sides of the two groups of guide rods 34 and are respectively inserted into guide holes formed in the second connecting frame 27 and the rear sliding block support 21; a vibrator 33 is provided at the center of the lower surface of the vibration plate 13. The seedling tray bottom plate 16 is spaced from the vibrating plate 13 by a certain distance and is positioned in the same plane.
The driven shaft 17 and the driving shaft 20 are respectively arranged at two ends of the two side plates 12 through bearing seats 10, a pair of driving chain wheels 19 is arranged on the driving shaft 20, and a pair of driven chain wheels 18 is arranged on the driven shaft 17; the chain 14 is sleeved between the driving chain wheel 19 and the driven chain wheel 18, wherein an upper layer chain is positioned above the driving chain, and a lower layer chain is positioned below the driving chain; the upper chain of the chain 14 is positioned above the upper surfaces of the vibrating plate 13 and the seedling tray bottom plate 16.
A plurality of shift levers 29 are arranged on the chain 14 at equal intervals.
The distance between adjacent deflector rods 29 is equal to the seedling hole row length of the hole seedling tray 1, so that each deflector rod 29 is positioned within the seedling hole row interval of the hole seedling tray 1 placed on the vibration plate 13.
The power output shaft of the chain driving motor 9 is connected with the driving shaft 20, and the driving shaft 20 is driven to rotate intermittently, so that the chain 14 moves by the length of a seedling hole row of one hole seedling tray 1 in each motion period; the hole seedling tray 1 intermittently moves under the stirring action of the deflector rod 29.
The two slide rails 11 are respectively and fixedly connected to a front cross beam 31 and a rear cross beam 22 of the frame 1, and the lower end surfaces of the front slider bracket 30 and the rear slider bracket 21 are respectively provided with a slide rail slider 23 corresponding to the slide rail 11; the screw rod slide block 26 is fixedly connected between the second connecting frame 27 and the first connecting frame 24, and the ball screw 25 horizontally penetrates through the screw rod slide block 26 and the two side plates 12 and is connected with the screw rod driving motor 7 fixedly connected on the longitudinal beam of the machine frame 4. The lead screw driving motor 7 drives the ball screw 25 to rotate, the lead screw sliding block 26 moves along the length direction of the ball screw 25, and the slide rail sliding block 23 is matched with the slide rail 11, so that the seedling conveying mechanism can move left and right.
As shown in fig. 4, the seedling taking and throwing mechanism comprises a supporting vertical plate 35, a seedling guide pipe bracket 5, a blow pipe bracket 6, a blow pipe 8 and a seedling guide pipe 15.
Two ends of the seedling guide pipe support 5 respectively penetrate through the two side plates 12 and are vertically and fixedly connected with a supporting vertical plate 35 fixedly connected to the middle of a longitudinal beam of the frame 4, and the seedling guide pipe support 5 is arranged between the vibrating plate 13 and the seedling tray bottom plate 16 and is positioned in the same plane with the vibrating plate 13 and the seedling tray bottom plate 16.
The blowing pipe support 6 is parallel to the seedling guide pipe support 5 and is positioned right above the seedling guide pipe support 5, and two ends of the blowing pipe support 6 are respectively and vertically and fixedly connected with the supporting vertical plates 35.
The air blowing pipe 8 corresponds to the seedling throwing port 36 and is vertically and fixedly connected to the middle part of the air blowing pipe bracket 6.
As shown in fig. 4, the seedling guide pipe 15 is preferably provided with a detection sensor 37, and the detection sensor detects whether the pot seedlings 3 pressed into the seedling guide pipe 15 are smoothly delivered into the planting mechanism of the transplanter through detection holes arranged on the seedling guide pipe 15.
An automatic seedling feeding, taking and throwing method of a plug seedling transplanter comprises the following steps:
1) automatic seedling conveying: horizontally and intermittently conveying a plurality of rows and a plurality of columns of matrix type seedling hole trays 1 to the position right above the planting mechanism through a seedling conveying mechanism; in the automatic seedling feeding process, the potted seedling tray 1 is vibrated through the vibrator 33, so that the potted seedlings 3 are pre-separated from the inner wall of the seedling hole of the potted seedling tray 1;
seedling holes of the plug seedling tray 1 are through hollow cylinders, and pot seedlings 3 finish the seedling culture process in the seedling holes of the plug seedling tray 1 through the seedling culture bags 2. The seedling raising bag 2 is made of non-woven fabrics.
2) Taking and throwing seedlings in one step: when the pot seedlings 3 in the hole seedling tray 1 pass through the seedling throwing port 36 right above the planting mechanism, the pot seedlings 3 fall into the seedling throwing port 36 by means of self gravity; in the process of one-step seedling taking and throwing, downward-pressing air flow is adopted to assist seed falling, so that the pot seedlings 3 smoothly fall into the planting mechanism from the seedling holes of the hole seedling tray 1.
The working process of the invention is as follows:
the seedling hole of the hole seedling tray 1 is cylindrical and is vertically transparent, during seedling raising, the non-woven fabric seedling raising bags 2 are placed into the seedling hole of the hole seedling tray 1, the bottoms of the non-woven fabric seedling raising bags 2 are flush with the bottoms of the seedling holes to form the seedling hole with a bottom and no cover, three quarters of matrix is placed into each non-woven fabric seedling raising bag 2, then seeds are placed into the seedling hole, and finally a layer of surface matrix is covered to complete the seedling raising process.
The seedling tray 1 is placed on the vibrating plate 13, the shifting rods 29 on the chains 14 are positioned in seedling hole row intervals of the seedling tray 1, the chains 14 are powered by the chain driving motors 9, the chains 14 are driven to move, the seedling tray 1 is driven to move forwards through the shifting rods, and the intermittent forward movement of the seedling tray 1 is controlled by controlling the chain driving motors 9. The screw driving motor 7 transmits power through the ball screw 25, the ball screw 25 can drive the seedling feeding mechanism to move on the slide rail 11 when rotating, the screw driving motor 7 rotates forwards and backwards to drive the seedling feeding mechanism to move left and right, the seedling tray 1 is indirectly moved left and right, and continuous feeding of pot seedlings is realized.
When the non-woven fabrics seedling raising bag 2 in seedling tray 1 wraps up the combination of alms bowl seedling 3 and relies on conveyor to pass through the top of leading seedling pipe 15, the combination that non-woven fabrics seedling raising bag 2 wrapped up alms bowl seedling 3 can lean on self gravity to throw the seedling, detect sensor 37 can detect that there is alms bowl seedling to fall in leading seedling pipe 15, if in certain time interval, detect sensor 37 does not detect when having alms bowl seedling 3 to fall in leading seedling pipe 15, it indicates that alms bowl seedling 3 can't throw the seedling by gravity, detect sensor 37 gives the cylinder signal this moment, the cylinder work, the air current acts on the top of alms bowl seedling 3 along gas blow pipe 8, blow in leading seedling pipe 15 with alms bowl seedling 3, accomplish the process of throwing the seedling, then carry out the work of throwing in next alms bowl seedling 3. When the air cylinder works, the air flow in the air blowing pipe 8 is gradually increased from small to large, and the pot seedlings 3 which do not fall off are blown off under proper air pressure, so that the air cylinder is light and efficient, and the purpose of saving energy is achieved.
Claims (6)
1. The utility model provides an automatic seedling that send of plug seedling transplanter gets seedling and throws seedling device for in bowl seedling (3) in matrix plug seedling dish (1) with multirow multiseriate throw into the mechanism of planting of transplanter, the device include frame (4), send seedling mechanism and get the seedling and throw seedling mechanism, frame (4) include front beam (31), rear beam (22) and left and right longeron, its characterized in that:
the seedling conveying mechanism comprises a screw rod driving motor (7), a chain driving motor (9), a sliding rail (11), a side plate (12), a vibrating plate (13), a chain (14), a seedling tray bottom plate (16), a driven shaft (17), a driving shaft (20), a rear sliding block support (21), a sliding rail sliding block (23), a first connecting frame (24), a ball screw rod (25), a screw rod sliding block (26), a second connecting frame (27), a third connecting frame (28) and a front sliding block support (30);
the front sliding block support (30), the third connecting frame (28), the second connecting frame (27), the first connecting frame (24) and the rear sliding block support (21) are fixedly connected between the two side plates (12) at intervals in sequence from front to back; the front part and the rear part of the lower surface of the seedling tray bottom plate (16) are fixedly connected to the upper end surfaces of the front sliding block bracket (30) and the third connecting frame (28) respectively; the front part and the rear part of the lower surface of the vibrating plate (13) are respectively and vertically fixedly connected with a group of guide rods (34), the outer sides of the two groups of guide rods (34) are respectively sleeved with a spring (32) and are respectively inserted into guide holes formed in the second connecting frame (27) and the rear sliding block bracket (21); a vibrator (33) is arranged in the middle of the lower surface of the vibrating plate (13); the seedling tray bottom plate (16) and the vibrating plate (13) are spaced at a certain distance and are positioned in the same plane;
the driven shaft (17) and the driving shaft (20) are respectively arranged at two ends of the two side plates (12) through bearing seats (10), the driving shaft (20) is provided with a pair of driving chain wheels (19), and the driven shaft (17) is provided with a pair of driven chain wheels (18); the chain (14) is sleeved between the driving chain wheel (19) and the driven chain wheel (18), wherein an upper layer chain is positioned above the driving chain wheel; the upper chain of the chain (14) is positioned above the upper surfaces of the vibrating plate (13) and the seedling tray bottom plate (16);
the shift levers (29) are arranged on the chain (14) at equal intervals;
the distance between the adjacent deflector rods (29) is equal to the length of the seedling hole row of the seedling hole tray (1), so that each deflector rod (29) is positioned in the seedling hole row interval of the seedling hole tray (1) placed on the vibrating plate (13);
the power output shaft of the chain driving motor (9) is connected with the driving shaft (20), and the driving shaft (20) is driven to rotate intermittently, so that the chain (14) moves by the seedling hole row length of one hole seedling tray (1) in each motion period;
the two slide rails (11) are respectively and fixedly connected to a front cross beam (31) and a rear cross beam (22) of the frame (1), and slide rail slide blocks (23) corresponding to the slide rails (11) are respectively arranged on the lower end surfaces of the front slide block bracket (30) and the rear slide block bracket (21); the lead screw sliding block (26) is fixedly connected between the second connecting frame (27) and the first connecting frame (24), and the ball screw (25) horizontally penetrates through the lead screw sliding block (26) and the two side plates (12) and is connected with a lead screw driving motor (7) fixedly connected on a longitudinal beam of the rack (4);
the seedling taking and throwing mechanism comprises a supporting vertical plate (35), a seedling guide pipe bracket (5), an air blowing pipe bracket (6), an air blowing pipe (8) and a seedling guide pipe (15);
two ends of the seedling guide pipe support (5) penetrate through the two side plates (12) respectively and are fixedly connected with a supporting vertical plate (35) fixedly connected to the middle part of a longitudinal beam of the frame (4) vertically, and the seedling guide pipe support (5) is arranged between the vibrating plate (13) and the seedling tray bottom plate (16) and is positioned in the same plane with the vibrating plate (13) and the seedling tray bottom plate (16);
a seedling throwing port (36) is formed in the middle of the seedling guide pipe support (5), and the seedling throwing port (36) is connected with the seedling guide pipe (15);
the blowing pipe support (6) is parallel to the seedling guide pipe support (5) and is positioned right above the seedling guide pipe support (5), and two ends of the blowing pipe support (6) are respectively and vertically fixedly connected with the supporting vertical plate (35);
the air blowing pipe (8) corresponds to the seedling throwing port (36) and is vertically and fixedly connected with the middle part of the air blowing pipe bracket (6).
2. The automatic seedling feeding, taking and throwing device of the plug seedling transplanter according to claim 1, characterized in that: seedling holes of the plug seedling tray (1) are through hollow cylinders, and pot seedlings (3) complete a seedling raising process in the seedling holes of the plug seedling tray (1) through the seedling raising bags (2).
3. The automatic seedling feeding, taking and throwing device of the plug seedling transplanter according to claim 2, characterized in that: the seedling raising bag (2) is made of non-woven fabrics.
4. The automatic seedling feeding, taking and throwing device of the plug seedling transplanter according to claim 1, characterized in that: the seedling guide pipe (15) is provided with a detection sensor (37), and the detection holes arranged on the seedling guide pipe (15) are used for detecting whether the pot seedlings (3) pressed into the seedling guide pipe (15) are smoothly delivered into the planting mechanism of the transplanter.
5. An automatic seedling feeding, taking and throwing method of a plug seedling transplanter utilizing the device of any one of claims 1 to 4, characterized in that: the method comprises the following steps:
1) automatic seedling conveying: a plurality of rows and columns of matrix type seedling hole trays (1) are horizontally and intermittently conveyed to the position right above the planting mechanism through a seedling conveying mechanism; in the automatic seedling feeding process, the potted seedling tray (1) is vibrated through the vibrator (33), so that the potted seedlings (3) are pre-separated from the inner wall of the seedling holes of the potted seedling tray (1);
2) taking and throwing seedlings in one step: when pot seedlings (3) in the hole seedling tray (1) pass through a seedling throwing opening (36) right above the planting mechanism, the pot seedlings (3) fall into the seedling throwing opening (36) by means of self gravity; in the process of one-step seedling taking and throwing, downward-pressing air flow is adopted to assist seed falling, so that the pot seedlings (3) smoothly fall into the planting mechanism from the seedling holes of the hole seedling tray (1).
6. The automatic seedling feeding, taking and throwing method of the plug seedling transplanter according to claim 5, characterized in that: the seedling holes of the hole seedling tray (1) are vertically through hollow cylinders, the pot seedlings (3) complete the seedling process in the seedling holes of the hole seedling tray (1) through the seedling bags (2), and the seedling bags (2) are made of non-woven fabrics.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810573273.3A CN108781665B (en) | 2018-06-06 | 2018-06-06 | Automatic seedling feeding, taking and throwing device and method of plug seedling transplanter |
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| CN201810573273.3A CN108781665B (en) | 2018-06-06 | 2018-06-06 | Automatic seedling feeding, taking and throwing device and method of plug seedling transplanter |
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| CN108781665B true CN108781665B (en) | 2020-06-09 |
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| CN111296008B (en) * | 2020-02-27 | 2021-04-27 | 中国农业大学 | Seedling transplanting equipment |
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