Seeding duckbill of roller seeder

Abstract

The utility model discloses a seeding duckbill of a roller seeder, which comprises a bottom plate, a seed outlet is arranged in the middle of the bottom plate, a duckbill opener formed by a left triangular side plate, a right triangular side plate and a middle main plate is welded on the seed outlet of the bottom plate, pin shaft holes are arranged at the rear lower corners of the two triangular side plates, and a pin shaft is arranged between the two pin shaft holes. A duckbilled cover plate and a driving plate which are connected in a V shape are mounted on the pin shaft, and a cover plate spring is mounted between the driving plate and the bottom plate; a sharp-nose seed guide groove convenient to mount and dismount is formed in the duckbilled mouth opener. Seeds sown by the machine are basically on a straight line, grown seedlings are basically on a straight line in the ridge direction, and field management work such as intertillage, weeding and fertilization is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of crop seeding machine, especially relates to a seeding duckbill of drum seeder. BACKGROUND

[0002] The drum seeder has been widely applied in the seeding machine of agricultural production due to the advantages of uniform seeding, small seed damage, strong adaptability and high operation efficiency, and is especially suitable for film mulching seeding operation. For example, the patent with the announcement number CN203313651U discloses a drum type precision seeder. The seeder is composed of a first shell, a second shell and a cylindrical peripheral wall, and a plurality of seeding duckbills are distributed on the cylindrical peripheral wall at equal intervals. The common seeding duckbill structure is mainly composed of a triangular sharp nozzle part, a toe plate and a compression spring. The length of the sharp nozzle part is usually 3-10 cm, and the width is 4-6 cm. The seeding duckbill with the structure is mainly applied to film mulching seeding operation. It can pierce a seeding hole in the film and put the seed into a proper depth seed hole. The 4-6 cm wide sharp nozzle part can break the film to form a 4-6 cm wide film hole, which is beneficial to the growth of seedlings from the film hole and avoids the problem that the mulching film presses the seedlings.

[0003] However, in the actual seeding operation process, the seeds fall into the seeding duckbill through the seed discharge port. Since the width of the sharp nozzle part is 4-6 cm, the seed discharge position from the sharp nozzle part is unstable, which may be left or right. In this way, the seeds scattered into the soil are difficult to arrange in a straight line. When subsequent field management is carried out, such as cultivation, weeding and fertilization, the mechanical operation is difficult to be accurate due to the irregular arrangement of seedlings, and more manpower is needed to adjust and compensate, which greatly increases the management cost and difficulty. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art, and provides a seeding duckbill of drum seeder. The seeds discharged by the seeding duckbill are basically in a straight line, and the seedlings grow basically in a straight line along the ridge, which is beneficial to the field management operations such as cultivation, weeding and fertilization.

[0005] The utility model is realized in the following way. A seeding duckbill of drum seeder comprises a bottom plate, a seed discharge port is arranged in the middle of the bottom plate, a duckbill opening device composed of two triangular side plates and a middle main plate is welded on the seed discharge port of the bottom plate, pin shaft holes are arranged at the lower rear corners of the two triangular side plates, a pin shaft is installed between the two pin shaft holes, a duckbill cover plate and a driving plate connected in a V shape are installed on the pin shaft, a cover plate spring is installed between the driving plate and the bottom plate, and a sharp nozzle seed guide groove is arranged in the duckbill opening device.

[0006] Preferably, the sharp-nosed seed guide groove comprises two left and right seed guide triangular plates and a front seed guide trapezoidal plate.

[0007] Preferably, the lower edge of the seed guide triangular plate and the seed guide trapezoidal plate is provided with an outer folding edge.

[0008] Preferably, the seed discharge port is a square seed discharge port.

[0009] Preferably, the left side or the right side of the bottom plate is provided with two plug-in claws, and the bottom plate opposite to the plug-in claws is provided with screw holes.

[0010] Compared with the prior art, the present application has the following advantages:

[0011] The sharp-nosed seed guide groove is arranged in the duckbill opener, seeds are discharged from the sharp-nosed end of the sharp-nosed seed guide groove and fall into the seed holes formed by the duckbill opener, the seeds are basically in a straight line, and the seedlings are basically in a straight line along the ridge, which is beneficial to the field management operations such as cultivation, weeding and fertilization.

[0012] The lower edge of the seed guide triangular plate and the seed guide trapezoidal plate is provided with an outer folding edge, which facilitates installation and disassembly, and a screwdriver can be used to complete the disassembly work. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic view of the installation state of the duckbill seed sowing nozzle of the roller seed sowing device of the present application on a roller;

[0014] Figure 2 is a three-dimensional structural schematic view of the first perspective of the duckbill seed sowing nozzle of the roller seed sowing device of the present application;

[0015] Figure 3 is a three-dimensional structural schematic view of the second perspective of the duckbill seed sowing nozzle of the roller seed sowing device of the present application;

[0016] Figure 4 is a three-dimensional structural schematic view of the present application with the duckbill cover plate, the driving plate and the cover plate spring removed;

[0017] Figure 5 is a three-dimensional structural schematic view of the duckbill seed sowing nozzle of the roller seed sowing device of the present application in a disassembled state.

[0018] In the figure: 1 roller, 2 bottom plate, 3 seed discharge port, 4 triangular side plate, 5 middle main plate, 6 duckbill opener, 7 pin shaft hole, 8 pin shaft, 9 duckbill cover plate, 10 driving plate, 11 cover plate spring, 12 sharp beak seed guide groove, 13 seed guide triangular plate, 14 seed guide trapezoidal plate, 15 outer folding edge, 16 plug-in claw, 17 screw hole. DETAILED DESCRIPTION

[0019] The utility model will be described in detail below in combination with the drawings.

[0020] As Figures 1 to 5 shown in the figure, a seed discharge duckbill of a roller seed sower, it includes annular distribution installation on the bottom plate 2 of roller 1, it is equipped with square seed discharge port 3 in the middle part of bottom plate 2, the seed discharge port 3 of bottom plate 2 is welded by the duckbill opener 6 of two left and right triangular side plates 4 and a middle main plate 5, the lower rear corner of two triangular side plates 4 is equipped with pin shaft hole 7, and pin shaft 8 is installed between two pin shaft holes 7, and duckbill cover plate 9 and driving plate 10 are installed on pin shaft 8 and are connected in V-shaped, and cover plate spring 11 is installed between driving plate 10 and bottom plate 2;Sharp beak seed guide groove 12 is arranged in the inside of duckbill opener 6;The sharp beak seed guide groove 12 includes by two left and right seed guide triangular plates 13 and a front side seed guide trapezoidal plate 14.The lower edge of seed guide triangular plate 13 and seed guide trapezoidal plate 14 is equipped with outer folding edge 15.The left side of bottom plate 2 is equipped with two plug-in claws 16 for connecting roller 1, and the right side of bottom plate is equipped with screw hole 17 for connecting roller 1.

[0021] The utility model working principle and operation steps are as follows:

[0022] When sowing, roller 1 rotates, and the seed discharge duckbill is located at the front side, upper side and rear side of roller 1, driving plate 10 is not compressed by the ground, under the action of cover plate spring 11, the seed discharge duckbill is in closed state;Duckbill cover plate 9 covers duckbill opener 6 and sharp beak seed guide groove 12, and the seeds falling into sharp beak seed guide groove 12 are waiting to be discharged;When the seed discharge duckbill is turned to the lower side, the seed discharge duckbill pierces the mulch and penetrates into the soil, then driving plate 10 is compressed by the ground, cover plate spring 11 is compressed, duckbill cover plate 9 is opened, the seed discharge duckbill opens and discharges the seeds into the seed hole, and a seed sowing operation of the duckbill is completed.

[0023] The contents of the above specific embodiments are only used to illustrate the technical scheme of the utility model, and not to limit the protection scope of the utility model, and the simple modification or equivalent replacement of the technical scheme of the utility model by the ordinary skilled in the art does not deviate from the essence and scope of the technical scheme of the utility model.

Claims

1. A seeding spout for a roller seeder, comprising a base plate, a seed outlet in the center of the base plate, a spout opening formed by two triangular side plates and a central main plate welded to the seed outlet, pin holes in the lower rear corners of the two triangular side plates, a pin installed between the two pin holes, a spout cover plate and a drive plate connected in a V-shape installed on the pin, and a cover plate spring installed between the drive plate and the base plate; characterized in that: The sharp-nosed seed guiding groove is arranged in the duckbill opening device.

2. The seed boot of a drum seeder according to claim 1, characterized in that: The sharp-nosed seed guiding groove is composed of two left and right seed guiding triangular plates and a front seed guiding trapezoidal plate.

3. The seed boot of a drum seeder according to claim 2, wherein: An outer folding edge is arranged on the lower edge of the seed guiding triangular plate and the seed guiding trapezoidal plate.

4. The seed boot of a drum seeder according to claim 3, wherein: The seed discharging port is a square seed discharging port.

5. The seed boot of a drum seeder according to claim 4, wherein: Two plug-in claws are arranged on the left side or the right side of the bottom plate, and screw holes are arranged on the bottom plate opposite to the plug-in claws.

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