CN108184390B

CN108184390B - Translation fills kind, broach clear kind and gyration is thrown kind of combination formula rice and is directly sowed seed metering ware

Info

Publication number: CN108184390B
Application number: CN201810109986.4A
Authority: CN
Inventors: 王金武; 唐汉; 李鑫; 王金峰; 李杞超
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2018-01-24
Filing date: 2018-01-24
Publication date: 2020-10-02
Anticipated expiration: 2038-01-24
Also published as: CN108184390A

Abstract

A rice direct seeding and sowing device combining translational seed filling, comb tooth seed cleaning and rotary seed feeding belongs to agricultural machinery; n seed conveying cylinders with grid type bottom plates and strip-shaped openings are rotatably arranged in a shell through a rotary driving shaft and a cylinder frame, a plate-type track with a seed filling opening is fixedly arranged in the upper end of the shell, a seed filling box assembly with an ejection push rod is movably arranged on the plate-type track, a seed storage box is assembled on the outer part of the upper end of the shell, a seed throwing opening is arranged on the bottom of the shell, a grid type seed cleaning comb plate is fixedly assembled on the inner part of the shell through a comb plate rod, a pressure return spring is assembled between the seed filling box assembly and the shell, and a tension return spring is assembled between the seed filling box assembly and the plate-type track; the device has the advantages of novel and reasonable structure, good quality and effect of rice direct seeding operation, high operation efficiency, reliable use, few faults and strong specificity, and provides technical support for popularization of a rice direct seeding mode.

Description

Translation fills kind, broach clear kind and gyration is thrown kind of combination formula rice and is directly sowed seed metering ware

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a rice direct seeding seed sowing device.

Background

Rice transplanting operation, rice seedling throwing operation and direct seeding operation of rice crops are traditional operation modes which exist in rice planting modes for many years and continue to the present, and the three modes can meet and adapt to the requirements of different conditions and are used in different regions. In recent years, along with the mass transfer of agricultural labor to cities, the agricultural labor is seriously lacked, and the seedling transplanting or throwing method after rice seedling raising, which has the advantages of large workload, long operation period and high production cost, is gradually replaced by a direct rice seeding operation mode with small labor amount, low labor intensity, short operation period, high operation efficiency and low production cost in certain areas. However, at present, a special seed sowing device capable of meeting and adapting to direct rice sowing is still blank, only a dry field crop seed sowing device can be used for direct rice sowing operation, the operation effect and quality can not be guaranteed, and the efficiency is low.

Disclosure of Invention

Aiming at the problems in the prior art, the invention researches and designs a combined rice direct seeding and sowing device with the functions of translational seed filling, comb-tooth seed cleaning and rotary seed feeding by combining the actual requirements of rice direct seeding production operation, thereby achieving the purposes of fully meeting and adapting to the use requirements of rice direct seeding operation, along with good operation quality and high efficiency.

The purpose of the invention is realized as follows: the center of the shell is provided with a rotary driving shaft, a barrel frame is fixedly arranged on the rotary driving shaft, the barrel frame is integrally positioned in the shell, N seed conveying barrels are uniformly and fixedly arranged on the outer end part of the barrel frame along the circumferential direction, the barrel wall of each seed conveying barrel is provided with a strip-shaped opening along the axial direction, a grid-type bottom plate is arranged on the inner side part of the bottom end of each seed conveying barrel, a grid-type seed cleaning comb plate is fixedly arranged in the shell through a comb plate rod, the comb plate rod and the strip-shaped openings on the barrel walls of the N seed conveying barrels are sequentially in insertion sliding fit and separation insertion fit, and the grid-type seed cleaning comb plate and the N seed conveying barrel cavities are sequentially in passing sliding fit or separation passing fit; a plate-type track is fixedly arranged on the inner side part of the upper end of the shell, the seed filling box assemblies are movably arranged on the plate-type track in an inserting structure, a pressure return spring and a tension return spring are respectively arranged at the front part and the rear part of each seed filling box assembly, two ends of each pressure return spring are respectively in extrusion contact with the inner wall surface of the shell and the outer wall surface of the front part of each seed filling box assembly, and two ends of each tension return spring are respectively hung on the outer wall surface of the rear part of each seed filling box assembly and the plate-type track; the ejection push rod is arranged on the outer wall surface of the rear side of the seed filling box assembly, and the ejection push rod is in contact fit or out of contact fit with the N seed conveying cylinders in sequence; the plate-type track is provided with a seed filling port, and the seed filling box assembly and the seed filling port are in overlapped fit or staggered fit; the seed storage box is arranged on the outer part of the upper end of the shell and is in communicated fit or separated closed fit with the seed filling box assembly; the seed throwing port is arranged on the side part of the bottom of the shell, so that the combined rice direct seeding device with translation seed filling, comb seed cleaning and rotary seed throwing is formed.

The rice direct seeding machine has the advantages of novel and reasonable structure, good rice direct seeding operation quality and effect, high operation efficiency, reliable use, less faults, strong specificity and capability of being particularly suitable for and meeting the discharge and application requirements of multiple rice seeds in rice direct seeding at one time, and provides good technical equipment for large-area application of rice crop direct seeding operation modes.

Drawings

FIG. 1 is a two-dimensional schematic diagram of the overall structure of a translational seed filling, comb-tooth seed cleaning and rotary seed feeding combined type rice direct seeding seed sowing device;

FIG. 2 is a three-dimensional schematic diagram of the overall structure of the combined rice direct seeding and seed sowing device with the functions of translational seed filling, comb seed cleaning and rotary seed feeding.

Description of part numbers in the figures:

1. the device comprises a shell, 2, a barrel frame, 3, comb plate rods, 4, grid-type seed cleaning comb plates, 5, seed feeding ports, 6, grid-type bottom plates, 7, a seed conveying barrel, 8, a rotary driving shaft, 9, strip-type notches, 10, plate-type rails, 11, seed filling ports, 12, pressure return springs, 13, seed storage boxes, 14, tension return springs, 15, a seed filling box assembly, 16 and an ejection push rod.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A rice direct seeding and sowing device combining translational seed filling, comb-tooth seed cleaning and rotary seed feeding is characterized in that a rotary driving shaft 8 is assembled at the central part of a shell 1, a barrel frame 2 is fixedly installed on the rotary driving shaft 8, the barrel frame 2 is integrally positioned in the shell 1, N seed conveying barrels 7 are fixedly and uniformly distributed on the outer end part of the barrel frame 2 along the circumferential direction, strip-shaped notches 9 are formed in the barrel walls of the seed conveying barrels 7 along the axial direction, a grid-type bottom plate 6 is assembled on the inner side part of the bottom end of the seed conveying barrel 7, a grid-type seed cleaning comb plate 4 is fixedly installed in the shell 1 through a comb-tooth plate rod 3, the comb-tooth plate rod 3 and the strip-shaped notches 9 on the barrel walls of the N seed conveying barrels 7 are sequentially in insertion sliding fit and separation insertion fit, and the grid-type seed cleaning comb plate 4 and the barrel cavities of the N seed conveying barrels 7 are sequentially in a sliding fit or separation and penetration fit; a plate-type track 10 is fixedly arranged on the inner side part of the upper end of the shell 1, a seed filling box assembly 15 is movably arranged on the plate-type track 10 in an inserting structure, a pressure return spring 12 and a tension return spring 14 are respectively arranged at the front part and the rear part of the seed filling box assembly 15, two ends of the pressure return spring 12 are respectively in extrusion contact fit with the inner wall surface of the shell 1 and the outer wall surface of the front part of the seed filling box assembly 15, and two ends of the tension return spring 14 are respectively hung on the outer wall surface of the rear part of the seed filling box assembly 15 and the plate-type track 10; the ejection push rod 16 is arranged on the outer wall surface of the rear side of the seed filling box assembly 15, and the ejection push rod 16 is in contact fit or out of contact fit with the N seed conveying cylinders 7 in sequence; the plate-type track 10 is provided with a seed filling port 11, and the seed filling box assembly 15 is in overlapped fit or staggered fit with the seed filling port 11; the seed storage box 13 is arranged on the outer part of the upper end of the shell 1 and is in communicated fit or separated closed fit with the seed filling box assembly 15; the seed inlet 5 is opened on the bottom side of the housing 1.

When the rice seed feeder is used, the outer conveying power drives N seed conveying cylinders 7 to rotate anticlockwise in the shell 1 through the rotary driving shaft 8 and the barrel frame 2, synchronously, rice seeds in the seed storage box 13 fall on the upper part of the plate-type track 10 and are positioned in a box body above the plate-type track 10 of the seed filling box assembly 15, when one seed conveying cylinder 7 of the N seed conveying cylinders 7 rotating anticlockwise contacts with the ejection push rod 16, the ejection push rod 16 drives the seed filling box assembly 15 to move transversely on the plate-type track 10 under the thrust action of the seed conveying cylinder 7, when the seed filling box assembly 15 is overlapped with the seed filling port 11, the rice seeds above the plate-type track 10 in the box body of the seed filling box assembly 15 are filled into a seed conveying cylinder 7 cavity in front of the seed conveying cylinder 7 pushing the ejection push rod 16 to move through the seed filling port 11 and the box assembly 15, the rice seeds are separated and blocked by the grid type bottom plate 6, at the moment, the seed filling box assembly 15 is closed and cut off from the communication with the seed storage box 13, so that the rice seeds in the seed storage box 13 are prevented from falling; when the seed conveying cylinder 7 filled with rice seeds continuously rotates to the seed feeding port 5, under the guiding control of the matching of the fixed comb plate rod 3 and the strip-shaped opening 9, the grid-type seed cleaning comb plate 4 enters the cylinder cavity of the seed conveying cylinder 7 through the grid-type bottom plate 6 to clean the rice seeds and discharge the rice seeds from the seed feeding port 5, and one-time operation is completed. When the seed conveying cylinder 7 is out of contact fit with the ejection push rod 16, under the combined action of the pressure return spring 12 and the tension return spring 14, the seed filling box assembly 15 returns to the initial position on the plate-type track 10, the seed storage box 13 is communicated with the seed filling box assembly 15, and the operation process is repeated in a circulating mode.

Claims

1. The utility model provides a translation fills kind, broach seed cleaning and gyration are thrown kind of combination formula rice and are directly sowed seed metering ware which characterized in that: a rotary driving shaft (8) is assembled at the central part of the shell (1), a barrel frame (2) is fixedly arranged on the rotary driving shaft (8), the whole barrel frame (2) is positioned in the shell (1), n seed conveying drums (7) are uniformly and fixedly arranged on the outer end part of the drum rack (2) along the circumferential direction, a strip-shaped opening (9) is arranged on the wall of the seed conveying cylinder (7) along the axial direction, a grid type bottom plate (6) is assembled on the inner side part of the bottom end of the seed conveying cylinder (7), a grid type seed cleaning comb plate (4) is fixedly arranged in the shell (1) through a comb plate rod (3), the comb plate rod (3) and the strip-shaped openings (9) on the cylinder walls of the N seed conveying cylinders (7) are in insertion sliding fit and separation insertion fit in sequence, the grid type seed cleaning comb plate (4) and the cavities of the N seed conveying cylinders (7) are in sliding fit or in separation fit in sequence; the inner side part of the upper end of the shell (1) is fixedly provided with a plate-type track (10), the seed filling box assemblies (15) are movably arranged on the plate-type track (10) in an inserting structure, the front parts of the seed filling box assemblies (15) are provided with pressure return springs (12), the rear parts of the seed filling box assemblies (15) are provided with tension return springs (14), two ends of each pressure return spring (12) are respectively in extrusion contact fit with the inner wall surface of the shell (1) and the outer wall surface of the front part of each seed filling box assembly (15), and two ends of each tension return spring (14) are respectively hung on the outer wall surface of the rear part of each seed filling box assembly (15) and the plate-type track (10); the ejection push rod (16) is arranged on the outer wall surface of the rear side of the seed filling box assembly (15), and the ejection push rod (16) is in contact fit or out of contact fit with the N seed conveying cylinders (7) in sequence; a seed filling port (11) is arranged on the plate-type track (10), and the seed filling box assembly (15) is in overlapped fit or staggered fit with the seed filling port (11); the seed storage box (13) is arranged on the outer part of the upper end of the shell (1) and is in communicated fit or separated closed fit with the seed filling box assembly (15); the seed throwing port (5) is arranged on the bottom side part of the shell (1).