CN106576527B - One device multirow electrical control rice and kernel seed placing device - Google Patents

Abstract

The invention relates to a multi-row electrical control seeding device for rice and wheat concentration, which includes a frame, a seed box, a seed guide plate, a trachea branch plate, an electromagnetic reversing valve, a seed suction and discharge device, a ball valve assembly, a controller and A position switch sensor, the seed suction device includes a rice suction device, a transition piece for suction and discharge, a plurality of inner plastic sleeves and a plurality of threaded pipes for seed discharge, and the ball valve assembly includes a ball valve connecting shaft, a plurality of ball valves, and a transmission gear shaft and transmission gears, the present invention combines electric control to realize precise and high-efficiency sowing through sensors and electromagnetic valves. The invention sucks the seeds into the seed metering device and then discharges the seeds, with little damage to the seeds. In addition, the whole machine of the present invention is simple in structure, light in weight and low in cost.

Description

One device multi-row electric control rice and wheat precision seeding device

technical field

The invention relates to the technical field of agricultural seeding machinery, in particular to a multi-row electrical control rice and wheat precision seeding device.

Background technique

Rice and wheat are the main food crops in my country. In order to realize cost-effective and efficient agronomic planting methods, the traditional planting mode, that is, artificial sowing, has technical defects such as uneven sowing and serious seed waste, etc., which are gradually eliminated. In recent years, researchers have continued to study precision metering devices for rice and wheat. However, the existing rice and wheat seeding machines are generally special-purpose machines, which have problems such as idle machinery and low utilization rate; The advent of the seed metering device reduces the damage rate of seeds and solves a certain degree of precision sowing. However, vertical disc structures and air suction drum structures are mostly used, and the structure of sockets and holes makes precision sowing within a range. , at the same time because of its complex structure, especially when the negative pressure increases when rice is sown, the cost increases, and there are defects such as reseeding and missing sowing.

Contents of the invention

The purpose of the present invention is to provide a simple structure, precise control, and low cost one-device multi-row electrical control rice and wheat precision seeding device.

In order to solve the above-mentioned technical problems, the present invention discloses a multi-row electrical control rice and wheat precision sowing device. , a seed suction and discharge device, a ball valve assembly, a controller and a position switch sensor, the seed suction and discharge device includes a rice seed suction device, a seed suction and discharge transition piece, a plurality of inner plastic sleeves and a plurality of seed discharge threaded pipes, and the ball valve assembly includes The ball valve is connected to a shaft, a plurality of ball valves, transmission gear shafts and transmission gears, wherein the seed box, the seed guide plate, the seed suction and discharge device and the controller are all arranged on the frame, and the input port of the seed guide plate is connected to the seed box The output port of the rice seed suction device is fixedly connected with the seed suction and discharge transition piece. The rice seed suction device is provided with a plurality of seed suction tapered holes side by side, and the seed suction and discharge transition piece is provided with a plurality of capsule seed holes side by side. The inlet of the tapered hole is connected to the corresponding output port of the seed guide disc, the outlet of each seed suction tapered hole is connected to the inlet of the corresponding seed capsule hole, and the outlet of each capsule seed hole is connected to the inlet of the corresponding inner plastic sleeve. The outlet of the plastic lining sleeve is connected to the inlet of the corresponding seeding threaded pipe;

The suction and discharge transition piece is provided with a plurality of trachea connection ports, each trachea connection port communicates with the corresponding capsule seed hole, the intake and exhaust connection ports of the electromagnetic reversing valve are connected to the main trachea, and the main trachea is connected through the branch plate of the trachea Each sub-air pipe, each sub-air pipe is connected to the corresponding air pipe connection port, the positive pressure air source interface of the electromagnetic reversing valve is connected to the positive pressure air source, and the negative pressure air source interface of the electromagnetic reversing valve is connected to the negative pressure air source;

The signal input end of the controller is connected to the signal output end of the position switch sensor, and the control signal output end of the controller is connected to the control end of the electromagnetic reversing valve;

Each lined plastic sleeve is equipped with a ball valve to control the conduction or cut-off of the lined plastic sleeve. One end of the ball valve connecting shaft passes through each lined plastic sleeve. The spool of each ball valve is fixed on the ball valve connecting shaft. The other end of the shaft is fixedly connected to one end of the transmission gear shaft. The other end of the transmission gear shaft is fixed with a transmission gear. The ball valve connecting shaft is set on the frame through bearings and bearing seats. The transmission gear is provided with a switch position corresponding to the position switch sensor. trigger.

Beneficial effects of the present invention:

The present invention combines electrical control to realize precise and high-efficiency sowing through sensors and electromagnetic valves. The invention sucks the seeds into the seed metering device and then discharges the seeds, with little damage to the seeds. In addition, the whole machine of the present invention is simple in structure, light in weight and low in cost.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural schematic diagram of suction and discharge device in the present invention;

Fig. 3 is a schematic diagram of the gas path of the present invention;

Fig. 4 is the opening and closing ball valve assembly of the ball valve assembly in the present invention.

Among them, 1-frame, 2-seed box, 3-seed guide plate, 4-trachea branch plate, 5-electromagnetic reversing valve, 6-suction and discharge device, 7-ball valve assembly, 8-suction tapered hole , 9—rice seed sucker, 10—hexagon socket bolt, 11—transition piece for suction and discharge, 12—steel pipe, 13—lined plastic sleeve, 14—bearing, 15—connecting shaft of ball valve, 16—ball valve, 17—transmission gear Shaft, 18—transmission gear, 19—switch position trigger, 20—bearing seat, 21—controller, 22—air pipe connection port, 23—position switch sensor, 24—positive pressure air source, 25—negative pressure air source, 26—seeding threaded pipe, 27—bag seed hole, 28—filter screen, 29—inverter, 30—main air pipe, 31—child air pipe, 32—vehicle storage battery.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

The present invention relates to a multi-row electrical control rice and wheat precision sowing device, which includes a frame 1, a seed box 2, a seed guide plate 3, a trachea branch plate 4, an electromagnetic reversing valve 5, a seed suction and discharge device 6, and a ball valve assembly 7. The controller 21 and the position switch sensor 23. The seed suction and discharge device 6 includes a rice seed suction device 9, a seed suction and discharge transition piece 11, a plurality of inner plastic sleeves 13 and a plurality of seed discharge threaded pipes 26. The ball valve assembly 7 includes a ball valve connecting shaft 15, a plurality of ball valves 16, a transmission gear shaft 17 and a transmission gear 18, wherein the seed box 2, the seed guide disc 3, the seed suction and discharge device 6 and the controller 21 are all arranged on the frame 1, The input port of the seed guide plate 3 is connected to the output port of the seed box 2, and the rice seed sucker 9 is fixedly connected with the seed suction and discharge transition piece 11 through the threaded connection hole 21 and the hexagon socket bolt 10, and the rice seed sucker 9 is arranged side by side. A plurality of seed-suction conical holes 8, a plurality of seed-suction holes 27 are arranged side by side in the transition piece 11 for suction and discharge of seeds, and the entrance of each conical hole 8 for suction is connected to the corresponding output port of the seed-guiding disc 3, and each seed-suction cone The outlet of the shaped hole 8 communicates with the entrance of the corresponding capsule seed hole 27, and the outlet of each capsule seed hole 27 communicates with the entrance of the corresponding lining plastic sleeve 13, and the outlet of each lining plastic sleeve 13 communicates with the entrance of the corresponding seeding threaded pipe 26 ;

The suction and discharge transition piece 11 is provided with a plurality of trachea connection ports 22, and each trachea connection port 22 communicates with the corresponding bag seed hole 27, and the intake and exhaust connection port of the electromagnetic reversing valve 5 is connected with the main trachea 30, and the main trachea 30 is connected to each sub-air pipe 31 through the trachea branch row plate 4, and each sub-air pipe 31 is connected to the corresponding air pipe connection port 22, the positive pressure air source interface of the electromagnetic reversing valve 5 is connected to the positive pressure air source 24, and the negative The compressed air source interface is connected to the negative pressure air source 25;

The signal input end of the controller 21 is connected to the signal output end of the position switch sensor 23, and the control signal output end of the controller 21 is connected to the control end of the electromagnetic reversing valve 5;

Each liner plastic sleeve 13 is provided with a ball valve 16 that controls the conduction or cut-off of the liner plastic sleeve 13. One end of the ball valve connecting shaft 15 passes through each liner plastic sleeve 13, and the spool of each ball valve 16 is fixed on the ball valve. On the connecting shaft 15, the other end of the ball valve connecting shaft 15 is fixedly connected to one end of the transmission gear shaft 17, and the other end of the transmission gear shaft 17 is fixed with a transmission gear 18, and the ball valve connecting shaft 15 is arranged on the frame 1 through the bearing 14 and the bearing seat 20. Above, the transmission gear 18 is provided with a switch position trigger 19 corresponding to the position switch sensor 23 .

In the above technical solution, the elasticity of the inner plastic sleeve 13 enables the ball valve 16 to be in better contact with it, reducing wear and enhancing sealing.

In the above technical solution, the rice seed sucker 9 is provided with four seed suction tapered holes 8 side by side, and the seed suction and discharge transition piece 11 is provided with four capsule seed holes 27 side by side. This form of design allows the invention to be adapted to the width of the tractor.

In the above technical solution, the outer wall of each inner plastic sleeve 13 is sleeved with a steel pipe 12, and the steel pipe 12 is fixed on the suction and discharge transition piece 11 and the frame 1. This structure is used to realize the reliable installation of the inner plastic sleeve 13 .

In the above technical solution, the electromagnetic reversing valve 5 is a two-position three-way electromagnetic reversing valve.

In the above technical solution, the controller 21 is powered by the vehicle battery 32 through the inverter 29 .

In the above technical solution, the transmission gear 18 is used to mesh with the power output gear of the tractor.

In the above technical solution, the position switch sensor 23 is a Hall position switch sensor, the switch position trigger 19 is a Hall sensor magnet, and the installation position of the Hall sensor magnet on the transmission gear 18 corresponds to the opening and closing threshold of the ball valve 16. Position, the opening speed of the ball valve 16 is related to the speed of the transmission gear 18, the speed of the transmission gear 18 is proportional to the speed of the tractor, and the frequency of suction and discharge is also proportional to the speed of the tractor to achieve precision sowing. The Hall sensor realizes the open and close position sensing of the ball valve 16 under the condition of no contact.

In the above technical solution, the angle between the seed introducing disc 3 and the horizontal plane is in the range of 25° to 30°.

In the above technical solution, the seed-suction conical hole 8 is a rice seed-suction conical hole, the diameter of the large end of the rice seed-suction conical hole ranges from 10 to 13 mm, and the diameter of the small end is 3 mm.

In the above technical solution, the conical hole 8 for sucking wheat seeds is a conical hole for sucking wheat seeds, the diameter of the big end of the conical hole for sucking wheat seeds is about 10-15 mm, and the diameter of the small end is 4 mm. Every kind of suction tapered hole 8 corresponds to a kind of rice suction device 9.

In the above technical solution, the diameter of the capsule seed hole 27 ranges from 9 to 11 mm. A filter screen 28 is provided on the trachea connection port 22 . Prevent seeds from being sucked into the trachea.

Before the work of the present invention, the seeds that have been germinated in advance are placed in the seed box 2, and the seeds enter the conical hole 8 of the seed suction and discharge device 6 through vibration and self-weight through the seed guide plate 3; at the same time, the seeder is started by the power of the tractor The positive pressure air source 24 and the negative pressure air source 25 wind power equipment provide the required positive and negative airflow for the seed meter. The power output gear of the tractor drives the transmission gear 18 to rotate, and the transmission gear 18 drives the ball valve 16 through the transmission gear shaft 17 Rotate, when the position switch sensor 23 senses the closing signal of the ball valve 16, the position switch sensor 23 sends a signal to the controller 21, and the controller 21 controls the electromagnetic reversing valve 5 to be powered, and the right position is connected, so that the capsule seed hole 27 is connected to the negative Compress air source 25, carry out seed suction, the seed is sucked in the bag seed hole 27 by seed suction tapered hole 8, when tractor moves on, ball valve 16 continues to rotate, position switch sensor 23 senses ball valve 16 opening signal, position switch sensor 23 Send a signal to the controller 21, and the controller 21 controls the electromagnetic reversing valve 5 to lose power, so that the capsule seed hole 27 is connected to the positive pressure air source 24, and the seeds are discharged from the inner plastic sleeve 13 after passing through the ball valve 16. This cycle ensures the quality of hole sowing and realizes accurate seeding. After finishing the sowing operation, the unsowed seeds in the seed box 2 are removed by removing the cover plate above the seed guide plate 3 .

The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Claims (10)

1. an a kind of device multirow electrical control rice and kernel seed placing device, it is characterised in that：It include rack (1), plants case (2), It leads discharge plate (3), tracheae branch plate-laying (4), solenoid directional control valve (5), inhale dispenser (6), ball valve assembly (7), controller (21) With position switch sensor (23), the suction dispenser (6) includes that rice inhales kind of a device (9), suction kind transition piece (11), multiple Plastic lining set (13) and multiple seeding screwed pipes (26), the ball valve assembly (7) include ball valve connecting shaft (15), multiple ball valves (16), driving gearshaft (17) and transmission gear (18), wherein the plants case (2), lead discharge plate (3), inhale dispenser (6) and Controller (21) is arranged in rack (1), and the delivery outlet of the input port connection plants case (2) for leading discharge plate (3), rice inhales kind Device (9) is fixedly connected with suction kind transition piece (11), and rice is inhaled in kind of device (9) is equipped with multiple suctions kind bellmouth (8), suction side by side Kind of transition piece offers multiple capsule kinds hole (27) side by side in (11), and it is right that discharge plate (3) is led in each entrance connection for inhaling kind of bellmouth (8) The delivery outlet answered, each entrance inhaled kind of the outlet of bellmouth (8) and correspond to capsule kind hole (27), each capsule kind hole (27) go out The entrance of the corresponding plastic lining set (13) of mouth connection, the outlet of each plastic lining set (13) correspond to seeding screwed pipe (26) Entrance；

The suction kind transition piece (11) is equipped with multiple tracheae connectors (22), each tracheae connector (22) and corresponding capsule The intake and exhaust connector of kind hole (27) connection, solenoid directional control valve (5) connects main tracheae (30), and main tracheae (30) passes through tracheae branch Every sub- tracheae (31) of plate-laying (4) connection, every sub- tracheae (31) connect corresponding tracheae connector (22), solenoid directional control valve (5) the negative pressure gas source interface of positive pressure gas source interface connection positive pressure air source (24), solenoid directional control valve (5) connects negative pressure air source (25)；

The signal output end of the signal input part link position switch sensor (23) of the controller (21), controller (21) Control signal output connects the control terminal of solenoid directional control valve (5)；

The ball valve (16) of control plastic lining set (13) on or off, ball valve connection are equipped in each plastic lining set (13) One end of axis (15) passes through each plastic lining set (13), the spool of each ball valve (16) to be fixed in ball valve connecting shaft (15), The other end of ball valve connecting shaft (15) is fixedly connected with one end of driving gearshaft (17), and the other end of driving gearshaft (17) is fixed There are transmission gear (18), ball valve connecting shaft (15) to be arranged in rack (1) by bearing (14) and bearing block (20), transmission gear (18) it is equipped with the position of the switch corresponding with position switch sensor (23) trigger member (19).

2. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The rice It inhales and is set side by side in kind of device (9) there are four kind of a bellmouth (8) is inhaled, open up that there are four capsule kind holes in suction kind transition piece (11) side by side (27)。

3. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：It is described each Plastic lining set (13) outer wall is socketed with steel pipe (12), and steel pipe (12) is fixed on suction kind transition piece (11).

4. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The electromagnetism Reversal valve (5) is two-bit triplet solenoid directional control valve.

5. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The control Device (21) is powered by vehicular power-bottle (32) by inverter (29).

6. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The transmission Gear (18) with the power output gear of tractor for engaging.

7. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The position Switch sensor (23) is hall position switch sensor, and the position of the switch trigger member (19) is Hall sensor magnet, suddenly Your installation site of the sensor-magnet on transmission gear (18) corresponds to the critical localisation of ball valve (16) opening and closing.

8. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The suction kind Bellmouth (8) is that rice inhales kind of a bellmouth, and rice inhales outside diameter ranging from 10~13mm of kind of bellmouth, and end diameter is 3mm。

9. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The suction kind Bellmouth (8) is that wheat inhales kind of a bellmouth, and the outside diameter that wheat inhales kind of bellmouth is 10~15mm, end diameter 4mm.

10. device multirow electrical control rice and kernel seed placing device according to claim 1, it is characterised in that：The capsule The diameter range of kind hole (27) is 9~11mm, and the tracheae connector (22) is equipped with strainer (28).