CN216532550U

CN216532550U - Mechanical type wasabi quantitative seed metering device

Info

Publication number: CN216532550U
Application number: CN202122432145.7U
Authority: CN
Inventors: 项诗雨; 曲旭鹏; 黄仕炎; 杨培志; 党小选; 何晋普; 石复习
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-05-17
Anticipated expiration: 2031-10-10

Abstract

The utility model relates to a mechanical quantitative seed sowing device for wasabi, which consists of a pickup mechanism and a feeding mechanism. The picking mechanism comprises a motor A bracket, a motor A, a crank connecting rod A, a slide rail, a rack, a gear box, a motor B, a four-bar mechanism, a transmission hose, an upright post, a connecting plate, a fixed bracket and a picking claw; the feeding mechanism comprises a gear shaft, a seed storage box, a poking shaft, a poking plate, a gear A, a gear B, a motor C support, a guide rail, a crank connecting rod B, a worm gear box, a shaft sleeve and a gear shaft. The device can realize quantitative separation, pickup transfer and intermittent seed metering of the winged wasabi seeds, has the characteristics of quantitative seed taking and uniform seed metering, can effectively replace manual sowing operation of the wasabi, solves the key technical problem of mechanical seed metering of the wasabi, and has great positive effects on improving the efficiency of separation and pickup sowing operation of the wasabi.

Description

Mechanical type wasabi quantitative seed metering device

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a mechanical quantitative seed metering device for wasabi.

Background

The juncea is produced in sandy areas of Shaanxi, Gansu, Ningxia, inner Mongolia and other provinces, has extremely high ecological, medicinal and health-care, edible and feed values, and has considerable economic benefit, and good ecological and social benefits in the cultivation of the juncea. At present, the planting market prospect of the cornutcd pugionium is wide, and the planting area of the cornutcd pugionium in China is continuously enlarged.

The shape of the wasabi seeds is irregular, the wasabi seeds are in a symmetrical flying wing shape, the middle of the wasabi seeds is bulged, 3-6 sharp spines are arranged on the wasabi seeds, shallow trench drilling is required by the agriculture and forestry seeding of the wasabi seeds, the hole spacing is uniform, 2-3 seeds are sowed in a single hole, and manual operation is mainly adopted. Due to the shape and texture specificity of the Arabidopsis thaliana seeds, a large number of Arabidopsis thaliana seeds are stacked, easily interlaced and intertwined with each other, and difficult to separate. In the mechanical sowing operation, the seed taking action easily causes that the stacked wasabi seeds are difficult to separate, the seed discharging amount is difficult to accurately control, and at present, mechanical equipment capable of realizing quantitative separation and sowing is lacked.

Therefore, a mechanized device for quantitatively seeding the arabidopsis thaliana is needed to be designed to realize the quantitative seed taking and intermittent seeding of the winged arabidopsis thaliana seeds and effectively solve the current mechanized operation of separating and picking the arabidopsis thaliana seeds.

Disclosure of Invention

The utility model aims to provide a mechanical type quantitative seed sowing device for the arabidopsis thaliana, aiming at the problem of separation and seed sowing of the seeds of the arabidopsis thaliana at present, and the problem that winged seeds are easy to wind is solved and the quantitative separation and picking of the winged seeds are realized through the mutual cooperation of a two-way feeding mechanism and an intermittent picking mechanism of a seed box.

The utility model provides a mechanical quantitative seed sowing device for wasabi, which consists of a pickup mechanism 1 and a feeding mechanism 2. The picking mechanism 1 comprises a motor A bracket 3, a motor A4, a crank connecting rod A5, a sliding rail 6, a rack 7, a gear box 8, a motor B9, a four-bar mechanism 10, a transmission hose 11, an upright post 12, a connecting plate 13, a fixed bracket 14 and a picking claw 15; the feeding mechanism 2 comprises a seed storage box 16, a seed poking shaft 17, a seed poking plate 18, a gear A19, a gear B20, a motor C21, a motor C support 22, a guide rail 23, a crank connecting rod B24, a worm gear box 25, a shaft sleeve 26 and a gear shaft 27.

The picking mechanism 1 comprises a motor A bracket 3, a motor A4, a crank connecting rod A5, a sliding rail 6, a rack 7, a gear box 8, a motor B9, a four-bar mechanism 10, a transmission hose 11, an upright post 12, a connecting plate 13, a fixed bracket 14 and a picking claw 15; the motor A4 is positioned above the motor A bracket 3 and is connected with the rack 7 through the crank connecting rod A5; the rack 7 is positioned on the sliding rail 6; the gear box 8 is positioned above the rack 7; the motor B9 is positioned above the gear box 8 and is connected with the transmission hose 11; the four-bar mechanism 10 is positioned at two sides of the gear box 8; the connecting plate 13 is positioned at the tail end of the four-bar mechanism 10; the fixed bracket 14 is positioned on the connecting plate 13 and used for fixing the upright post 12; the upright post 12 is positioned in a hole of the fixed support 14 and is connected with the tail end of the transmission hose 11; the pick-up claw 15 is located at the bottom end of the upright 12.

The feeding mechanism 2 comprises a seed storage box 16, a seed poking shaft 17, a seed poking plate 18, a gear A19, a gear B20, a motor C21, a motor C support 22, a guide rail 23, a crank connecting rod B24, a worm gear box 25, a shaft sleeve 26 and a gear shaft 27; the gear shaft 27 is positioned on the outward extending shaft of the worm gear box 25; the shaft sleeve 26 is positioned above the worm gear box 25; one side of the crank connecting rod B24 is connected with the worm gear box 25, and the other side of the crank connecting rod B is connected with the outward extending plate of the seed storage box 16; the seed storage box 16 is positioned above the guide rail 23; the motor support 22 is positioned at one side of the seed storage box 16; the motor C21 is positioned on the motor C bracket 22; the gear B20 is positioned on an outward extending shaft of the motor C21; the gear A19 is positioned on the outward extending shaft of the poking shaft 17 and is meshed with the gear B20; the seed poking shaft 17 is positioned above the seed storage box 16; the seed poking plate 18 is positioned at the rear side of the seed poking shaft 17.

The picking mechanism 1 comprises a lower shaft 81, a first gear 82, a second gear 83, a third gear 84, a fourth gear 85, an upper shaft 86, a bearing end cover 87, a left four-bar mechanism 101, a right four-bar mechanism 102, a left four-bar mechanism upper rod 1011, a left four-bar mechanism lower rod 1012, a right four-bar mechanism upper rod 1021 and a right four-bar mechanism lower rod 1022; the gear box 8 is arranged on the gear rack 7, four gears are adopted in the gear box 8 for transmission, a first gear 82 in the gear box 8 is meshed with the gear rack 7, when the motor A4 works, the crank connecting rod A5 moves under the driving of the motor A4 and transmits power to the gear rack 7, so that the gear rack 7 moves back and forth on the sliding rail 6, and the power is transmitted to the gear box 8 through the meshing of the gears and the gear racks; the four-bar mechanism 10 is arranged on two sides of the gear box 8, and obtains power from the gear box 8 through the opposite connection of four gear overhanging shafts, namely a lower shaft 81 and an upper shaft 86, in the gear box 8, so as to realize the reverse movement of two arms; pick up claw 15 and install the bottom at stand 12, stand 12 and 11 end connections of transmission hose, fix simultaneously on installing fixed bolster 14 on connecting plate 13, connecting plate 13 is connected with four-bar linkage 10 end again, thereby make stand 12 carry out up-and-down reciprocating motion along with the swing of four-bar linkage 10, motor second 9 installed on gear box 8 simultaneously transmits power to the pick up claw 15 of stand 12 bottom through transmission hose 10 and stand 12, pick up claw 15 and realize opening and shutting along with the rising and falling of stand 12 and move, thereby the realization is to the grabbing of seed in lower extreme seed storage box 16 and is dropped.

The gear shaft 27 is a one-way bearing, and is meshed with the extended single tooth on the rack 7, so that power is transmitted to the worm and gear box 25 through the shaft sleeve 26 and is transmitted to the seed storage box 16 through the crank connecting rod B24; the lower end of the seed storage box 16 is arranged on the guide rail 23, and the slow movement in the left-right direction on the guide rail 23 is realized by the power obtained at the crank connecting rod B24; the motor C21 transmits power to the stirring shaft 17 through the gear A19 and the gear B20, controls the movement of the stirring shaft 17, and accordingly drives the stirring plate 18 mounted on the stirring shaft 17 to move forwards, slowly pushes seeds in the seed storage box 16, enables the seeds in the seed storage box 16 to move in the front-back direction, and completes power transmission.

The four-bar mechanism 10 is arranged at two sides of the gear box 8, the motor A4 drives, the gear box 8 obtains power from the motor A4, the gear box 8 adopts four-gear transmission, four gears are arranged inside, the bars of the four-bar mechanism 10 are respectively connected with the gear I82 and the gear IV 85 in the gear box 8, wherein the lower bar 1012 of the left four-bar mechanism is directly connected with the outer extending shaft of the gear I82 in the gear box 8, namely the lower shaft 81, the lower bar 1012 obtains power, the upper bar 1011 of the left four-bar mechanism is not connected with the outer extending shaft of the gear IV, namely the upper shaft 86, the upper bar 1011 does not obtain power, so that the left four-bar mechanism 101 can only realize 90-degree rotation in the vertical plane under the driving of the bars 1012 of the left four-bar mechanism, the right four-bar mechanism 102 is opposite to the connection mode of the left four-bar mechanism 101, and only realizes 90-degree rotation in the vertical plane under the driving of the bars 1021 on the right four-bar mechanism, thereby the four-bar mechanism 10 on the two sides of the gear box 8 moves in opposite directions, and the reverse movement of the two arms is realized.

The transmission hose 11 is connected with the motor B9, the upright post 12 is connected with the tail end of the transmission hose 11 and is fixed in a shaft hole of a fixed bracket 14 arranged on a connecting plate 13 to realize vertical placement, and the connecting plate 13 is connected with the tail end of the four-bar mechanism 10, so that the upright post 12 can perform vertical reciprocating motion along with the swing of the four-bar mechanism 10; the picking claw 15 is arranged at the bottom of the upright post 12, the motor B9 arranged on the gear box 8 is used for driving, power is transmitted to the picking claw 15 at the bottom end through the transmission hose 10 and the upright post 12, the picking claw 15 is opened and closed along with the rising and falling of the upright post 12, when the four-bar mechanism 10 drives the upright post 12 to reach the lowest point, the motor B9 controls the picking claw 15 to be closed to pick seeds, and when the four-bar mechanism 10 drives the upright post 12 to reach the highest point, the motor B9 controls the picking claw 15 to be opened to release the seeds, so that the seeds in the seed storage box 16 at the lower end are grabbed and dropped.

The lower end of the seed storage box 16 is arranged on the guide rail 23, an extending plate of the seed storage box 16 is connected with a crank connecting rod B24, power is obtained from a motor A4 through a worm gear box 25, a gear shaft 27 and a rack 7, and the seed storage box 16 can slowly move in the left-right direction on the guide rail 23; the seed poking plate 18 is arranged on the seed poking shaft 17, the seed poking shaft 17 is arranged on the seed storage box 16 and is driven by the motor C21 to obtain power, the seed poking shaft 17 drives the seed poking plate 18 to move, and the seeds in the seed storage box 16 are enabled to move in the front-back direction by pushing the seeds in the seed storage box 16.

The mechanical quantitative seed sowing device for the arabidopsis thaliana is divided into a pickup mechanism 1 and a feeding mechanism 2, wherein the pickup mechanism 1 is powered by a motor A4 and a motor B9 to complete pickup work. The feeding mechanism 2 is powered by a motor A4 and a motor C21 to complete feeding work.

Firstly, the four-bar mechanisms 10 of the parallelogram structure are arranged at two sides of the gear box 8 and are bilaterally symmetrical, driving force is transmitted to four gears which are meshed in sequence in the gear box 8 through the racks 7, the first gear 82 drives a lower rod 1012 of the left four-bar mechanism through a lower shaft 81, and the fourth gear 85 drives an upper rod 1021 of the right four-bar mechanism through an upper shaft 86, so that the motion directions of the left four-bar mechanism 101 and the right four-bar mechanism 102 are opposite, when the left four-bar mechanism 101 moves to the lowest point, the right four-bar mechanism 102 rises to the highest point, reverse motion of two arms is realized, moment balance of the left and right parallelogram four-bar mechanisms 10 is realized, and the driving moment of the two arms is reduced to the maximum extent.

Secondly, the pick-up claw 15 is driven by the motor B9 to realize periodic opening and closing actions along with the up-and-down reciprocating motion of the upright post 12. When the upright post 12 moves to the lowest point along with the four-bar mechanism 10, the picking claw 15 moves to the lowest point along with the upright post 12, the picking claw 15 is driven by the motor B9 to be in contact with the seeds in the seed storage box 16 and be closed, the area of the seed storage box 16 in contact with the picking claw 15 is limited, the size of the picking claw 15 is limited, and the seed storage box 16 can realize full-area seed supply, so that the quantity of the seeds grabbed each time can be ensured to be 2-3, and the seeds in the seed storage box 16 at the lower end can be picked regularly and quantitatively; when the upright post 12 moves to the highest point along with the four-bar mechanism 10, the picking claw 15 moves upwards along with the upright post 12 and moves to the inlet at the upper end of the upright post 12, and under the control of the motor B9, the picking claw 15 is opened to release seeds, so that the directional throwing of the wasabi seeds is realized. Thirdly, under the power that motor first 4 provided, reciprocating motion about the storage box 16 is realized along guide rail 23, when guaranteeing to pick up claw 15 whereabouts closure snatch the wasabi seed in the cycle time, the horizontal position of picking up in the storage box 16 that contacts is different, has avoided picking up claw 15 and has snatched repeatedly in same position. The seed poking shaft 17 and the seed poking plate 18 realize stable forward movement under the power provided by the motor shaft 21, and the seeds in the seed storage box 16 realize forward and backward movement by pushing the seeds in the seed storage box 16. The transverse motion of seed storage box 16 and the vertical motion of the mustard seed that the kind of dialling board 18 leads to can let the mustard seed in seed storage box 16 realize the all-round motion on the horizontal plane to under the prerequisite that need not to turn the mustard seed, realize the inside whole region of seed storage box 16 and supply kind, avoided getting the problem that kind process kind probably can't pick up sufficient mustard seed and snatch the winding scheduling problem of in-process mustard seed.

Drawings

In order to explain the technical solution of the present invention more clearly, the drawings required for use in the present invention will be briefly described below.

FIG. 1 is a structural layout diagram of a mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

FIG. 2 is a schematic view of the general structure of a mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

FIG. 3 is a schematic view of a pick-up mechanism of the mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

FIG. 4 is a schematic view of the driving mechanism of the picking mechanism of the mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

FIG. 5 is a schematic view of the internal structure of a gear box in the pick-up mechanism of the mechanical quantitative sowing device for Arabidopsis thaliana.

FIG. 6 is a schematic view of the feeding mechanism of the mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

FIG. 7 is a schematic view of the feeding mechanism of the mechanical quantitative seed metering device for Arabidopsis thaliana of the present invention.

Description of reference numerals: 1. the device comprises a pick-up mechanism, a feed mechanism, a motor A support, a motor A, a crank connecting rod A, a sliding rail, a rack 7, a rack 8, a gear box (81, a lower shaft, a gear A, a gear B, a gear C, 25. worm and gear box, 26 shaft sleeve, 27 gear shaft.

Detailed Description

As shown in figure 1, the mechanical quantitative seed metering device for the arabidopsis thaliana is divided into a pickup mechanism 1 and a feeding mechanism 2. As shown in fig. 2, the picking mechanism 1 is provided with two groups with the same structure, and each group is powered by a motor a 4 and a motor b 9 to complete the picking work. The feeding mechanism 2 is powered by a motor A4 and a motor C21 to complete feeding work.

As shown in fig. 3, the picking mechanism 1 includes a gear box 8, a lower shaft 81, a first gear 82, a second gear 83, a third gear 84, a fourth gear 85, an upper shaft 86, a bearing end cover 87, a second motor 9, a four-bar linkage 10, a left four-bar linkage 101, a right four-bar linkage 102, a left four-bar linkage upper rod 1011, a left four-bar linkage lower rod 1012, a right four-bar linkage upper rod 1021, a right four-bar linkage lower rod 1022, a transmission hose 11, a column 12, a connecting plate 13, a fixed support 14 and a picking claw 15; the gear box 8 is internally provided with four gears in total, the first gear 82 in the gear box 8 is meshed with the rack 7 to realize gear and rack meshing, so that the gears are operated, the four gears are sequentially meshed to obtain power, and the four gears in the gear box 8 are rotated. When the gear in the gear box 8 rotates, power is transmitted to the four-bar mechanism 10 connected with the output shaft of the gear box 8 in a key mode, the four-bar mechanism 10 can swing in a vertical plane in a reciprocating mode by 90 degrees, so that the upright post 12 installed at the tail end of the four-bar mechanism 10 is driven to follow the four-bar mechanism 10 to achieve reciprocating lifting motion, the picking claw 15 installed at the bottom end of the upright post 12 obtains power from the motor B9 through the transmission hose 10 and the upright post 12, opening and closing actions are achieved along with lifting of the upright post 12, and grabbing and dropping of seeds in the lower end seed storage box 16 are achieved. The problem that the flying wing-shaped seeds are difficult to pick up quantitatively and put in directionally is solved by the actions. As shown in fig. 4, the picking mechanism 1 comprises a motor a bracket 3, a motor a 4, a crank connecting rod a 5, a slide rail 6, a rack 7, a gear box 8, a motor b 9, a four-bar mechanism 10, a transmission hose 11, a stand column 12, a connecting plate 13, a fixed bracket 14 and a picking claw 15; the motor A bracket 3 is arranged below the sliding rail 6; the motor A4 is connected and installed on the motor A bracket 3 through a screw; one end of the crank connecting rod A5 is connected with the outward extending shaft of the motor A4, and the other end of the crank connecting rod A is connected with the rack 7 through a screw; the rack 7 is arranged on the slide rail 6; the lower end of the gear box 8 is opened and is installed on the rack 7 through bolt connection, four gears are installed in the gear box 8, a first gear 81 is meshed with the rack 7, and the four gears are meshed in sequence; the motor B9 is fixedly arranged on the gear box 8 through a screw and connected with the transmission hose 11; the four-bar mechanism 10 is connected with and installed on the output shafts at two sides of the gear box 8 in a key way, wherein the lower rod 1012 of the left four-bar mechanism is directly connected with the external extending shaft of the first gear 82 in the gear box 8, namely the lower shaft 81, through a coupler, and the upper rod 1011 of the left four-bar mechanism is not connected with the external extending shaft of the fourth gear 85, namely the upper shaft 86; the right four-bar mechanism 102 and the left four-bar mechanism 101 of the gear box 8 are connected in an opposite way, the upper rod 1021 of the right four-bar mechanism is directly connected with the outer extending shaft of the gear four 85 in the gear box 8, namely the upper shaft 86 through a coupler, and the lower rod 1022 of the right four-bar mechanism is not connected with the outer extending shaft of the gear one 82 in the gear box 8, namely the lower shaft 81; the connecting plate 13 is connected to the tail end of the four-bar mechanism 10 through a screw; the fixed bracket 14 is installed on the connecting plate 13 through screw connection; the upright post 12 is fixed in a hole of the bracket 14 through a screw and is fixedly connected with the tail end of the transmission hose 11; the pick-up claw 15 is fixed to the bottom of the upright 12 by screws.

As shown in fig. 5, the gear box 8 has four gears inside, and the four gears are meshed with each other to realize rotation, wherein the first gear 82 and the third gear 84 move in the same direction, and the second gear 83 and the fourth gear 85 move in the same direction. The four-bar mechanism 10 is installed on two sides of the gear box 8 and connected with the first gear 82 and the fourth gear 85 in the gear box 8, wherein the lower rod 1012 of the left four-bar mechanism is directly connected with the lower shaft 81 which is the external extending shaft of the first gear 82 in the gear box 8, the power of the first gear 82 in the gear box 8 is transmitted to the lower rod 1012 of the left four-bar mechanism, the upper rod 1011 of the left four-bar mechanism is not connected with the external extending shaft 86 which is the upper shaft 86 of the fourth gear 85, the upper rod 1011 does not obtain power, so that the left four-bar mechanism 101 can only realize 90-degree rotation in the vertical plane under the driving of the lower rod 1012 of the left four-bar mechanism, and the connection mode of the right four-bar mechanism 102 of the gear box 8 and the left four-bar mechanism 101 is opposite. The upper rod 1021 of the right four-bar linkage is directly connected with the outer extending shaft of the gear four 85 in the gear box 8, namely the upper shaft 86, through a coupler, the power of the gear four 85 in the gear box 8 is transmitted to the upper rod 1021 of the right four-bar linkage, the lower rod 1022 of the right four-bar linkage is not connected with the outer extending shaft of the gear one 82 in the gear box 8, namely the lower shaft 81, the power of the gear in the gear box 8 is not transmitted to the lower rod 1022 of the right four-bar linkage, and the right four-bar linkage 102 is driven by the upper rod 1021 of the right four-bar linkage to rotate within the vertical plane by 90 degrees. Since the four gears in the gear box 8 are meshed with each other, the first gear 82 and the fourth gear 85 rotate in opposite directions, so that the four-bar linkages 10 on both sides move in opposite directions, and when the left four-bar linkage 101 moves to the lowest point, the right four-bar linkage 102 rises to the highest point, so that the two-arm reverse movement of the four-bar linkage 10 is realized.

As shown in fig. 6, the feeding mechanism 2 includes a seed storage box 16, a seed poking shaft 17, a seed poking plate 18, a gear a 19, a gear b 20, a motor c 21, a motor c bracket 22, a guide rail 23, a crank connecting rod b 24, a worm gear box 25, a shaft sleeve 26 and a gear shaft 27; the gear shaft 27 is a one-way bearing, is arranged on the side surface of the tail end of the rack 7, is meshed with the extended single tooth on the rack 7, is simultaneously used as an input shaft of the worm gear box 25, and is connected with the worm gear box 25 through a bearing; the lower end of the shaft sleeve 26 is fixedly connected with a worm gear box 25 through a bolt, and the upper end of the shaft sleeve is connected with a gear shaft 27; one side of the crank connecting rod B24 is connected with a worm wheel in the worm wheel and worm box 25 through a key, and the other side of the crank connecting rod B is connected with an outward extending plate pin of the seed storage box 16; the lower end of the seed storage box 16 is connected and installed on the guide rail 23 through a bolt; the motor support 22 is arranged on a baffle plate on one side of the seed storage box 16 through a bolt; the motor C21 is connected to the motor C bracket 22 through a screw; the gear B20 is arranged on an outward extending shaft of the motor C21; the gear A19 is meshed with the gear B20 and is arranged on one side of the shifting shaft 17; the poking shaft 17 is arranged on the seed storage box 16 through a shaft hole; the seed poking plate 18 is installed on the seed poking shaft 17 through pin connection, and the upper end of the seed poking plate 18 is fixedly connected with the seed storage box 16 through bolts.

As shown in fig. 7, when the feeding mechanism 2 starts to work, the motor a 4 is started, the motor a 4 operates, the crank link a 5 moves under the driving of the motor a 4 and transmits power to the rack 7, so that the rack 7 moves back and forth on the slide rail 6, the gear shaft 27 is a one-way bearing, which is an input shaft of the worm gear box 25, is installed on an outward extending shaft of the worm gear box 25 and is engaged with an outward extending single tooth on the rack 7, when the rack 7 moves back and forth once, the outward extending single tooth is engaged with the gear shaft 27 once, the gear shaft 27 rotates with a small amplitude, power transmission is performed, power is transmitted to the worm gear box 25 through the shaft sleeve 26 to drive the worm gear box 25 to move, the worm gear inside the worm gear box 25 is engaged, wherein the worm is connected with the outward extending shaft on the gear shaft 27 to realize vertical rotation, the worm is engaged with the worm, the vertical power on the worm is converted into horizontal power, the worm wheel realizes the upward rotary motion of horizontal direction, worm wheel on the worm gear case 25 passes through the key-type connection with crank connecting rod second 24, give crank connecting rod second 24 with power transmission, thereby drive crank connecting rod second 24 and rotate, the crank connecting rod second 24 other end is connected with the overhanging plate pin of seed storage box 16, will follow the power transmission that worm gear case 25 department obtained when crank connecting rod second 24 moves and give seed storage box 16, drive seed storage box 16 and move, thereby make seed storage box 16 realize left and right reciprocating motion along guide rail 23. Third support 22 of storage box 16 side-mounting motor, install motor third 21 on third support 22 of motor through gear first 19, gear second 20 passes through power transmission for group axle 17, the one-way rotary motion of control group axle 17, group axle 17 passes through the shaft hole and installs on storage box 16, group kind board 18 is installed on group axle 17, the upper end is connected with storage box 16, it drives group kind board 18 forward group kind to dial when dialling kind board 17 one-way rotary motion, realize the forward motion of seed in storage box 16, it makes winged form seed can realize the mechanical type motion to go up the action, it easily twines, the problem of difficult quantitative separation can be solved.

It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A mechanical type quantitative seed sowing device for mustard is characterized in that the device comprises a pickup mechanism (1) and a feeding mechanism (2); the picking mechanism (1) comprises a motor A support (3), a motor A (4), a crank connecting rod A (5), a sliding rail (6), a rack (7), a gear box (8), a motor B (9), a four-bar mechanism (10), a transmission hose (11), an upright post (12), a connecting plate (13), a fixed support (14) and a picking claw (15); the motor A (4) is placed on the motor A bracket (3) and is connected with a rack (7) arranged on a sliding rail (6) through a crank connecting rod A (5); the gear box (8) is meshed with the rack (7) and is connected with a fixed support (14) arranged on a connecting plate (13) through the connecting plate (13) at the tail end of a four-bar mechanism (10) on two sides of the gear box (8); the motor B (9) is arranged above the gear box (8) and is connected with a pickup claw (15) at the bottom end of the upright post (12) through the upright post (12) at the tail end of the transmission hose (11); the feeding mechanism (2) comprises a seed storage box (16), a seed poking shaft (17), a seed poking plate (18), a gear A (19), a gear B (20), a motor C (21), a motor C bracket (22), a guide rail (23), a crank connecting rod B (24), a worm and gear box (25), a shaft sleeve (26) and a gear shaft (27); the gear shaft (27) is connected with the worm gear box (25) through a shaft sleeve (26); one side of the crank connecting rod B (24) is connected with the worm and gear box (25), and the other side of the crank connecting rod B is connected with the outward extending plate of the seed storage box (16); the motor C (21) is arranged on the motor C support (22) and is connected with a poking shaft (17) arranged on the poking plate (18) through a gear B (20) and a gear A (19).

2. The mechanical type quantitative seed metering device for the Arabidopsis thaliana as claimed in claim 1, wherein the pick-up mechanism (1) comprises a lower shaft (81), a first gear (82), a second gear (83), a third gear (84), a fourth gear (85), an upper shaft (86), a bearing end cover (87), a left four-bar mechanism (101), a right four-bar mechanism (102), a left four-bar mechanism upper rod (1011), a left four-bar mechanism lower rod (1012), a right four-bar mechanism upper rod (1021) and a right four-bar mechanism lower rod (1022), the gear box (8) is internally provided with four gears for transmission, the four-bar mechanisms (10) are arranged at two sides of the gear box (8), the rods are respectively connected with the first gear (82) and the fourth gear (85) of the gear box (8), wherein the lower rod (1012) of the left four-bar mechanism is directly connected with an outward extending shaft (81) of the first gear (82) of the gear box (8), the power is obtained, the upper rod (1011) of the left four-bar mechanism is not connected with the outer extending shaft of the gear four (85), namely the upper shaft (86), and the power is not obtained, so that the left four-bar mechanism (101) can only realize 90-degree rotation in the vertical plane under the driving of the lower rod (1012) of the left four-bar mechanism, the connection mode of the right four-bar mechanism (102) and the left four-bar mechanism (101) is opposite, and the 90-degree rotation in the vertical plane is only realized under the driving of the upper rod (1021) of the right four-bar mechanism, therefore, the movement directions of the four-bar mechanisms (10) at two sides of the gear box (8) are opposite, the reverse movement of the two arms is realized, and the stress balance is ensured.

3. The mechanical quantitative seed metering device for the arabidopsis thaliana according to claim 1, wherein the transmission hose (11) is connected with a motor B (9), the upright column (12) is connected with the tail end of the transmission hose (11) and simultaneously passes through a fixed bracket (14) arranged on a connecting plate (13) to realize vertical placement, and the connecting plate (13) is connected with the tail end of the four-bar mechanism (10), so that the upright column (12) can reciprocate up and down along with the swinging of the four-bar mechanism (10); the picking claw (15) is arranged at the bottom of the upright post (12), a motor B (9) arranged on the gear box (8) transmits power to the picking claw (15) at the bottom through a transmission hose (11) and the upright post (12), the picking claw (15) realizes opening and closing actions along with the rising and falling of the upright post (12), when the four-bar mechanism (10) drives the upright post (12) to reach the lowest point, the motor B (9) controls the picking claw (15) to close to pick seeds, and when the four-bar mechanism (10) drives the upright post (12) to reach the highest point, the motor B (9) controls the picking claw (15) to open to release the seeds, so that the seeds in the lower end seed storage box (16) are grabbed and released.

4. The mechanical quantitative seed metering device for the arabidopsis thaliana as claimed in claim 1, wherein the lower end of the seed storage box (16) is mounted on a guide rail (23), an overhanging plate of the seed storage box (16) is connected with a crank connecting rod B (24), and power is obtained from a motor A (4) through a worm gear box (25), a gear shaft (27) and a rack (7) to realize the slow movement of the seed storage box (16) on the guide rail (23) in the left-right direction; the seed poking plate (18) is installed on the seed poking shaft (17) through pin connection, the seed poking shaft (17) is installed on the seed storage box (16) and obtains power from the motor C (21), the seed poking shaft (17) drives the seed poking plate (18) to move, and the seeds in the seed storage box (16) are enabled to move in the front-back direction through pushing the seeds in the seed storage box (16).

5. The mechanical quantitative seed metering device for the arabidopsis thaliana as claimed in claim 1, wherein the whole mechanism is divided into a pickup mechanism (1) and a feeding mechanism (2), and is provided with three power output sources; the picking mechanism (1) is powered by a motor A (4) and a motor B (9) to complete picking work; the feeding mechanism (2) is powered by a motor A (4) and a motor C (21) to complete feeding work.