CN106922258A - A kind of seeding apparatus - Google Patents

Abstract

The invention discloses a sowing device, which comprises a shell, a first partition, a pressing rod, a spring, a seeding nozzle, a soil block, a first connecting rod, a gear, a rack and a seed arrangement mechanism, the first partition The plate is set in the shell, and divides the inner cavity of the shell into the installation cavity and the seed discharge cavity. The seed nozzle is fixed on the discharge port, the soil pulling block is hinged on the side wall of the discharge port, and the two gears are rotated on the seed discharge port. The upper ends of the two first connecting rods are respectively hinged on the two gears, and the lower ends are respectively hinged with the seeding mouth and the soil block. The pressing rod is movably inserted into the installation cavity, and the pressing rod The upper and lower ends of the spring pass through the side wall of the housing and extend out of the housing. The spring is sleeved on the pressure rod, and the upper and lower ends of the spring are respectively in contact with the inner wall of the installation cavity and the pressure rod. The rack is fixed. On the pressing bar, and the rack meshes with one of the gears, the seed-discharging mechanism is arranged in the seed-discharging cavity, and one end of the seed-discharging mechanism is connected with the pressing bar. The invention has wide applicability and good stability.

Description

a planting device

Technical field:

The invention relates to a sowing device.

Background technique:

There is a hand-held sowing device in the existing market, which can only be used for sowing the seeds of a specific plant, and cannot be suitable for sowing seeds with a large difference in grain size at the same time; and the sowing duckbill in the existing sowing device such as As shown in Figure 8, it includes two hollow cones, the two cones are hinged at the discharge port of the sowing device. Separate the two cones to allow the seeds to enter the soil between the two cones. The cable drive mode of the cone with this structure is poor in stability, and the two cones are both hollow and hinged to the outlet of the seeding device. After pulling the cable 800 to separate the two cones, an open blanking space is formed between the two hollow cones, between the cones and the discharge port, so the seeds often leak out from the outside of the cones. If it does not fall directly between the two cones, its use effect is poor.

Therefore, it is necessary to improve the prior art to solve the deficiencies of the prior art.

Invention content:

The present invention provides a sowing device in order to solve the above-mentioned problems in the prior art.

The technical solutions adopted in the present invention include: a seeding device, including a housing, a first partition, a pressing rod, a spring, a seeding nozzle, a soil block, a first connecting rod, a gear, a rack and a seeding mechanism, The first partition is arranged in the housing, and divides the inner chamber of the housing into an installation chamber and a seed discharge chamber, and a discharge port connected with the seed discharge chamber is provided at the bottom of the housing, and the seed The nozzle is fixed on the discharge port, and the earth block is hinged on the side wall of the discharge port. The two gears are rotated in the seed discharge chamber, and the two mesh with each other. The upper ends of the two first connecting rods are respectively hinged on the two gears, and the lower ends are Correspondingly, they are respectively hinged with the seeding nozzle and the earth block. The pressure rod is movably inserted into the installation cavity, and the upper and lower ends of the pressure rod pass through the side wall of the casing and extend outside the casing. The spring is sleeved on the pressure rod. and the upper and lower ends of the spring are respectively abutted against the inner wall of the installation cavity and the pressure rod, the rack is fixed on the pressure rod, and the rack is meshed with one of the gears, and the seeding mechanism is located in the seeding chamber Inside, and one end of the seeding mechanism is connected with the pressure rod;

The seeding mouth includes a baffle and a semi-conical mounting body, the baffle is rotatably connected to the inner wall of the mounting body; the earth moving block is semi-conical.

Further, the seed arrangement mechanism includes an upper partition, a lower partition, an upper seed discharge door, a lower seed discharge door, an upper drive rod, a lower drive rod and a second connecting rod, and the upper partition and the lower partition are up and down It is arranged in layers, and a seed collection chamber is formed between the upper partition and the lower partition. There is an upper seed discharge port on the upper partition, and a lower seed discharge port on the lower partition. The upper seed discharge door is obliquely hinged on the The upper seed-discharging port is opened and the lower seed-discharging door is horizontally hinged in the lower seed-discharging port to close the lower seed-discharging port. The second connecting rod is connected, and the second connecting rod is connected with the pressing rod; the pressing rod moves upwards and drives the upper seed-discharging door and the lower seed-discharging door to rotate upwards, and correspondingly closes the upper seed-discharging port and opens the lower seed-discharging port.

Further, a first rotating shaft is provided on the side wall of the upper seed-discharging door, a first limiting plate is provided on the upper partition, a first shaft hole is provided on the first limiting plate, and the first limiting The pressing plate is fixed on the upper partition by screws, and the first rotating shaft is placed in the first shaft hole.

Further, the side wall of the lower seed-discharging door is provided with a second rotating shaft, a second limiting plate is provided on the lower partition, a second shaft hole is arranged on the second limiting plate, and the second limiting plate It is fixed on the lower partition by screws, and the second rotating shaft is placed in the second shaft hole.

Further, the upper end surface of the upper partition is fixedly connected with a first limiting plate, and one end of the first limiting plate extends above the upper seed discharge port.

Further, the top end of the second connecting rod is provided with a second limiting plate, the second limiting plate is perpendicular to the second connecting rod, and the upper seed gate is connected with the second limiting plate through the upper driving rod.

Further, the inner wall of the housing is provided with connecting bosses for fixing the upper partition and the lower partition in layers.

Further, a protrusion is provided on the side wall of the pressure rod, and the lower end of the spring abuts against the protrusion.

Further, a handle is provided on the top of the housing.

The present invention has following beneficial effect:

1) The present invention can not only be used for sowing large-grained seeds such as rice, wheat\corn, but also can be used for sowing small-grained seeds such as rapeseed and sesame (when sowing small-grained seeds, only need to adjust the upper and lower partitions) The seed collection cavity is sufficient), which has the advantages of convenient operation and high seeding accuracy.

2) In the present invention, the seeding nozzle and the soil removing block are both driven by gears and racks, which have good stability and reliable transmission, and the seeding nozzle is hollow for planting, and the soil removing block is solid for soil removal , the baffle plate on the planting mouth and the upper end surface of the soil-moving block jointly close the discharge port of the shell, after the pressure rod moves upward, the soil-moving block rotates to realize soil removal, and the baffle is opened to realize seed dropping, which can effectively make The seeds fall between the planting mouth and the earth block.

Description of drawings:

Figure 1 is a structural diagram of the present invention.

Fig. 2 is a structural diagram of the seed nozzle in the present invention.

Fig. 3 is the structural diagram of the earth moving block in the present invention.

Fig. 4 is a partially enlarged view of the seed metering mechanism in the housing of the present invention.

Figure 5 is a structural diagram of the upper partition in the present invention.

Figure 6 is a structural diagram of the middle and lower partitions of the present invention.

Fig. 7 is another state diagram of the seed metering mechanism in the present invention.

Fig. 8 is a structural diagram of a cone in the prior art.

detailed description:

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in Fig. 1, a kind of sowing device of the present invention comprises housing 11, first dividing plate 12, pressing rod 13, spring 14, planting nozzle 151, soil shifting block 152, first connecting rod 16, gear 17, The rack 18 and the seeding mechanism 2, the first dividing plate 12 is located in the housing 11, and the inner cavity of the housing 11 is divided into an installation chamber 110 and a seeding chamber 111, and the bottom end of the housing 11 is provided with a The discharge port through which the seed discharge chamber 111 is connected, the seed nozzle 151 is fixed on the discharge port, the earth block 152 is hinged on the side wall of the discharge port, and the two gears 17 are rotated in the discharge chamber 111, and the two are connected to each other. meshing, the upper ends of the two first connecting rods 16 are respectively hinged on the two gears 17, and the lower ends are respectively hinged with the seeding mouth 151 and the earth block 152, and the pressing rod 13 is movably inserted in the installation cavity 110, and the pressing rod 13 The upper and lower ends of the spring 14 pass through the side wall of the housing 11 and extend outside the housing 11. The spring 14 is sleeved on the pressure rod 13, and the upper and lower ends of the spring 14 respectively abut against the inner wall of the installation cavity 110 and On the pressing bar 13, the rack 18 is fixed on the pressing bar 13, and the rack 18 is meshed with a gear 17, the seeding mechanism 2 is arranged in the seeding cavity 111, and one end of the seeding mechanism 2 is connected to the pressing bar 13. connected.

As shown in FIG. 2 and FIG. 3 , the seeding nozzle 151 in the present invention includes a baffle 1511 and a semi-conical mounting body 1512 , and the baffle 1511 is rotatably connected to the inner wall of the mounting body 1512 . The installation body 1512 is fixed on the discharge port of the casing 11 , and the bottom end of a first connecting rod 16 is hinged on the baffle plate 1511 .

The earth-moving block 152 in the present invention is semi-conical, and two hinged ears (not shown in the figure) are arranged on the upper end surface of the earth-moving block 152, and a hinged ear on the upper end surface of the earth-moving block 152 is connected to the housing 11. The discharge port is hinged, and the bottom end of the other first connecting rod 16 is hinged on another hinged lug on the upper end surface of the earth block 152 .

As shown in Figure 4, the seeding mechanism 2 in the present invention comprises an upper dividing plate 21, a lower dividing plate 22, an upper seeding door 23, a lower seeding door 24, an upper driving rod 25, a lower driving rod 26 and a second connecting rod 27 , the upper partition 21 and the lower partition 22 are layered up and down, and a seed collection cavity 200 is formed between the upper partition 21 and the lower partition 22, the upper partition 21 is provided with an upper seed discharge port 210, and the lower partition The plate 22 is provided with a lower seed opening 220, the upper seed opening 23 is obliquely hinged in the upper seed opening 210 and the upper seed opening 210 is opened, and the lower seed opening 24 is horizontally hinged in the lower seed opening 220 so that The lower seed opening 220 is closed, and the upper seed door 23 and the lower seed door 24 are respectively connected to the second connecting rod 27 through the upper driving rod 25 and the lower driving rod 26, and the second connecting rod 27 is connected to the pressing rod 13; 13 moves upwards and drives the upper seed door 23 and the lower seed door 24 to rotate upwards, the upper seed door 23 rotates upwards to close the upper seed port 210, and the lower seed door 24 rotates upward to open the lower seed port 220.

As shown in Fig. 5, the present invention is provided with the first rotating shaft 231 on the side wall of the last seed-discharging door 23 for the convenience of being hinged on the upper dividing plate 21 on the upper dividing plate 23, and is provided with the first limiter on the upper dividing plate 21. The position pressing plate 215 is provided with the first shaft hole on the first position limiting pressing plate 215, the first position limiting pressing plate 215 is fixed on the upper partition 21 by screws, and the first rotating shaft 231 on the upper seed door 23 is placed on the second In the first shaft hole of a limiting pressure plate 215 .

A first accommodating groove 218 for accommodating the first limiting plate 215 is provided on the side wall of the upper partition 21 .

The installation structure between the upper seed-discharging door 23 and the upper partition 21 in the present invention is convenient for loading and unloading, and is convenient for manufacture. The first receiving groove 218 can make the outer wall surface A of the first limiting pressure plate 215 and the side wall B of the upper partition 21 in the same plane, and when the upper partition 21 is installed in the housing 11, it can effectively avoid the upper partition. There are large gaps between the plate 21 and the inner wall of the housing 11 and between the first limiting plate 215 and the inner wall of the housing 11 , so as to prevent seeds from leaking through the gaps.

As shown in Figure 6, the present invention is convenient to hinge the lower seed-discharging door 24 on the lower partition 22, the side wall of the lower seed-discharging door 24 is provided with a second rotating shaft 241, and the lower partition 22 is provided with a second limit pressure plate 225 , a second shaft hole is provided on the second position-limiting pressing plate 225 , the second position-limiting pressing plate 225 is fixed on the lower partition 22 by screws, and the second rotating shaft 241 is placed in the second shaft hole.

A second receiving groove 228 for receiving the second limiting plate 225 is provided on the side wall of the lower partition 22 .

The structural advantages of the lower seed gate 24 and the lower partition 22 among the present invention are the same as those of the above-mentioned upper seed gate 23 and the upper partition 21, so no more details are given.

In order to better limit the freedom of opening and closing the upper seed gate 23 in the present invention, a first limiting plate 28 is fixedly connected to the upper end surface of the upper partition 21, and one end of the first limiting plate 28 extends from the upper row. Above the seed port 210, when the second connecting rod 27 drives the upper seed gate 23 to rotate upward, the first limiting plate 28 can ensure that the upper seed gate 23 does not move upward after being rotated to a horizontal position.

The top of the second connecting rod 27 is provided with a second limiting plate 29, the second limiting plate 29 is perpendicular to the second connecting rod 27, and the upper seed gate 23 is connected with the second limiting plate 29 through the upper driving rod 25 . When the second connecting rod 27 drives the upper and lower seed-discharging doors to rotate downward, the second limiting plate 29 will finally lean against the lower dividing plate 22, and the second limiting plate 29 can ensure that the lower seed-discharging door 24 rotates to No downward movement after horizontal position.

In the present invention, for the convenience of fixing the upper partition 21 and the lower partition 22 in the housing 11 , the inner wall of the housing 11 is layered with connecting bosses 115 for fixing the upper partition 21 and the lower partition 22 . The upper and lower partitions and the connecting boss are fixed by screws.

For the convenience of abutting the spring 14 on the pressure rod 13, a raised portion 131 is provided on the side wall of the pressure rod 13, the lower end of the spring 14 abuts against the raised portion 131, and the lower end surface of the raised portion 131 abuts against the raised portion 131. on the inner wall of the installation cavity 110 .

A handle 3 is provided on the top of the housing 11 .

In conjunction with Figure 7, when in use, the seeds are placed in the cavity above the upper partition 21, the initial state of the upper seed gate 23 and the lower seed gate 24 is as shown in Figure 2, and the seeds will pass through the upper seed gate 210 into the seed collection chamber 200. Press down on the casing 11, press the seeding nozzle 151 and the soil shifting block 152 into the soil, continue to press down on the casing 11, and as the seeding nozzle 151 and the soil shifting block 152 continue to be buried, the soil will react on the pressure rod 13, and an upward force is given to the pressure rod 13, the pressure rod 13 moves upward and drives the two gears 17 to rotate in opposite directions, the first connecting rod 16 on one gear 17 opens the baffle plate 1511, and the other first connecting rod on the other gear 17 A connecting rod 16 stirs the earth block 152 to rotate, and the earth block 152 pushes away the soil. The pressure rod 13 moves upwards and drives the upper seeding door 23 and the lower seeding door 24 to rotate upwards, the upper seeding door 23 rotates upwards to close the upper seeding port 210, and the lower seeding door 24 rotates upwards to open the lower seeding port 220 , so that the seeds in the seed collection cavity 200 enter the lower seed mouth 151 to complete the sowing. After pulling out the seed mouth 151 and the earth block 152, under the action of the spring 14, the depression bar 13 rebounds to the initial position.

In the present invention, the seeding mouth 151 and the earth moving block 152 are all driven by gears and racks, and the stability is good, and the transmission is reliable, and the seeding mouth 151 is hollow for planting, and the earth moving block 152 is solid for planting. Digging the soil, the baffle plate 1511 on the planting mouth 151 and the upper end surface of the soil displacing block 152 jointly seal the discharge port of the casing. Open and realize falling kind, can effectively make seed drop between the kind of mouth 151 and the block 152 for pulling the soil.

In order to better discharge the seeds in the seed collection chamber 200, a sloping material guide plate can also be added in the seed collection chamber 200.

The above is only a preferred embodiment of the present invention, it should be pointed out that for those of ordinary skill in the art, some improvements can also be made without departing from the principle of the present invention, and these improvements should also be regarded as the invention. protected range.

Claims (9)

1. A sowing device, characterized in that it includes a housing (11), a first partition (12), a pressing rod (13), a spring (14), a seeding mouth (151), and a soil-moving block (152) , the first connecting rod (16), the gear (17), the rack (18) and the seeding mechanism (2), the first partition (12) is set in the housing (11), and the housing ( 11) The inner cavity is divided into the installation cavity (110) and the seed discharge cavity (111), and the bottom end of the housing (11) is provided with a discharge port connected with the seed discharge cavity (111), and the seed nozzle (151) is fixed on the discharge port, and the soil block (152) is hinged on the side wall of the discharge port, and the two gears (17) are rotated and installed in the seed discharge chamber (111), and the two mesh with each other, and the two first consecutive The upper end of the rod (16) is respectively hinged on the two gears (17), and the lower end is respectively hinged with the seeding mouth (151) and the soil shifting block (152), and the pressing rod (13) is movably inserted into the installation cavity (110) Inside, and the upper and lower ends of the pressure rod (13) pass through the side wall of the housing (11) and extend outside the housing, the spring (14) is sleeved on the pressure rod (13), and the upper and lower ends of the spring (14) The two ends are respectively abutted against the inner wall of the installation cavity (110) and the pressure rod (13), the rack (18) is fixed on the pressure rod (13), and the rack (18) is connected to a gear (17) ), the seed-discharging mechanism (2) is set in the seed-discharging cavity (111), and one end of the seed-discharging mechanism (2) is connected with the pressure rod (13); The seeding nozzle (151) includes a baffle (1511) and a semi-conical mounting body (1512), and the baffle (1511) is rotatably connected to the inner wall of the mounting body (1512); The earth-moving block (152) is semi-conical. 2. The sowing device according to claim 1, characterized in that: the seed arrangement mechanism (2) comprises an upper partition (21), a lower partition (22), an upper seed discharge door (23), a lower seed discharge The door (24), the upper drive rod (25), the lower drive rod (26) and the second connecting rod (27), the upper partition (21) and the lower partition (22) are arranged in layers up and down, and the upper partition A seed collection cavity (200) is formed between the plate (21) and the lower partition (22), an upper seed discharge port (210) is provided on the upper partition (21), and a lower seed opening is provided on the lower partition (22). The seed discharge port (220), the upper seed discharge door (23) is obliquely hinged in the upper seed discharge port (210) to open the upper seed discharge port (210), and the lower seed discharge door (24) is horizontally hinged to the lower seed discharge port (220) and make the lower seed opening (220) closed, the upper seed door (23) and the lower seed door (24) respectively pass the upper drive rod (25) and the lower drive rod (26) and the second connecting rod (27) are connected, and the second connecting rod (27) is connected with the pressing rod (13); The upper seed opening (210) is closed and the lower seed opening (220) is opened. 3. The sowing device according to claim 2, characterized in that: a first rotating shaft (231) is provided on the side wall of the upper seed discharge door (23), and a first rotating shaft (231) is provided on the upper partition (21). The limit pressing plate (215) is provided with a first shaft hole on the first limit pressing plate (215), and the first limit pressing plate (215) is fixed on the upper partition (21) by screws, and the first rotating shaft (231) is placed in the first shaft hole. 4. The sowing device according to claim 2, characterized in that: a second shaft (241) is provided on the side wall of the lower seeding door (24), and a second limiter is provided on the lower partition (22). The position pressing plate (225) is provided with a second shaft hole on the second position limiting pressing plate (225), and the second position limiting pressing plate (225) is fixed on the lower partition (22) by screws, and the second rotating shaft ( 241) placed in the second shaft hole. 5. The seeding device according to claim 2, characterized in that: the upper end surface of the upper partition (21) is fixedly connected with a first limiting plate (28), and one end of the first limiting plate (28) Stretch on the top of the last seed opening (210). 6. The sowing device according to claim 2, characterized in that: the top end of the second connecting rod (27) is provided with a second limiting plate (29), and the second limiting plate (29) is perpendicular to the first Two connecting rods (27), the last seeding door (23) links to each other with the second limiting plate (29) by the upper driving rod (25). 7. The sowing device according to claim 2, characterized in that: the inner wall of the housing (11) is provided with connecting bosses ( 115). 8. The sowing device according to claim 1, characterized in that: a protrusion (131) is provided on the side wall of the pressure rod (13), and the lower end of the spring (14) abuts against the protrusion (131) )superior. 9. The sowing device according to claim 1, characterized in that: a handle (3) is provided on the top of the casing (11).