CN211937901U

CN211937901U - Wheat original seed classificator

Info

Publication number: CN211937901U
Application number: CN202020522541.1U
Authority: CN
Inventors: 孟淑婷; 史利霞; 宋鹏举; 刘玉涛; 丁晓霞; 杨梅; 马召俭; 张守伟; 史波涛; 刘子阳; 杜俊勇; 康同五
Original assignee: Henan Shunxin Dazhong Seed Industry Co ltd
Current assignee: Henan Shunxin Dazhong Seed Industry Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-11-17
Anticipated expiration: 2030-04-10

Abstract

The utility model relates to the technical field of seed selection equipment, and discloses a wheat stock seed classificator, which comprises a classificator body, a discharging bin, a screening bin and a storage bin; a first spiral feeder is arranged in the blanking bin, and a blanking port of the blanking bin extends into the screening bin; a fan and a screening mechanism are arranged in the screening bin, and the screening mechanism comprises a screen mesh, a material conveying groove, a second spiral feeder and a forward and reverse rotating motor I which are mutually matched and connected; the screen cloth and fortune silo fixed connection, the lateral wall of fortune silo and screening storehouse rotates to be connected, and the one end bottom of fortune silo is equipped with the discharge opening, and the other end is connected with positive reverse motor one, and second screw feeder sets up in the fortune silo, is equipped with the door that can open and shut between the discharge gate of screen cloth and the feed inlet of fortune silo. The utility model has the advantages of simple and reasonable structure, small, use convenient operation can carry out 2 times screening to the wheat stock, and the screening efficiency is high, the screening is effectual, the maintenance is convenient, and the practicality is strong, and application scope is wide.

Description

Wheat original seed classificator

Technical Field

The utility model relates to a seed selection equipment technical field especially relates to a wheat stock seed preparator.

Background

In the agricultural production process, the selection of wheat stock is particularly important, and the quality of the wheat stock determines the survival rate of seedling and the yield and quality of agricultural products. The wheat stock seeds contain dust impurities, damaged and unqualified seeds, and the wheat stock seeds need to be selected in sequence so as to improve the germination rate and the survival rate during the later-stage seed sowing and improve the production yield of the wheat. The existing classificators have the defects of large volume, low efficiency, poor control performance and single screening mode, so that the classificator has an unsatisfactory classificator effect. Therefore, a wheat stock seed classificator with simple structure, convenient operation and good screening effect is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a wheat stock seed classificator.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheat stock seed classificator comprises a classificator body, wherein the classificator body comprises a discharge bin, a screening bin and a storage bin;

a first spiral feeder is arranged in the blanking bin, and a blanking port of the blanking bin extends into the screening bin;

a fan and a screening mechanism are arranged in the screening bin, and the screening mechanism comprises a screen, a material conveying groove, a second spiral feeder and a forward and reverse rotating motor I; the section of the screen is in a major arc shape, a feed opening of the blanking bin corresponds to a feed opening at the top of the screen, the fan is positioned between the feed opening of the blanking bin and the feed opening of the screen, the blowing direction of the fan is vertical to the feed direction of the blanking bin, the bottom of the screen is fixedly connected with the top of the material conveying groove, and a discharge opening is formed in the bottom of the screen; the conveying trough is cylindrical, the top of the conveying trough is provided with a feeding hole, two ends of the conveying trough are rotatably connected with the side wall of the screening bin through bearings, the bottom of one end of the conveying trough is provided with a discharging hole, the other end of the conveying trough penetrates through the side wall of the screening bin and then is connected with an output shaft of a forward and reverse rotating motor I, the second spiral feeder is arranged in the conveying trough, the feeding direction of the second spiral feeder is consistent with the direction of the discharging hole of the conveying trough, a discharging hole in the bottom of the screen mesh is matched with the feeding hole in the top of the conveying trough, and an openable bin gate is arranged between the discharging hole;

the storage bin comprises a first storage bin and a second storage bin, the first storage bin is located below the screening bin, and the second storage bin is communicated with a discharge hole of the material conveying groove through a discharge pipe.

Preferably, the bin gate is an arc-shaped plate matched with the conveying chute, the inner walls of the conveying chutes at two ends of the feeding port of the conveying chute are respectively provided with a sliding chute, the outer walls at two ends of the bin gate are provided with a convex sliding block corresponding to the sliding chutes, the sliding blocks are positioned in the sliding chutes and are in sliding connection with the sliding chutes, the section of each sliding block is in a T shape, the sliding chutes are matched with the sliding blocks, the sliding blocks are clamped in the sliding chutes and can slide along the sliding chutes, and the sliding blocks are prevented from falling off from the sliding chutes while the sliding blocks do not move in the sliding chutes; all be equipped with a tooth's socket on the inner wall at door both ends, all mesh on the tooth's socket and have a drive gear, a fixed connection rotating shaft between two drive gears, run through behind each drive gear at the both ends of axis of rotation and rotate with the fortune material tank inner wall that corresponds through the bearing and be connected, the one end of axis of rotation still is connected with just reversing motor two through drive chain. The position is provided with a rotating shaft which is driven to rotate forward and backward through forward and backward rotation of a forward and backward rotation motor II, and a transmission gear on the rotating shaft rotates forward and backward along with the rotating shaft, so that a bin door meshed with the rotating shaft can be driven to open and close.

Preferably, a circle of sealing ring is arranged on the inner wall of the conveying groove at the periphery of the feeding hole, the sealing ring is in contact with the closed bin gate, and when the bin gate is closed and the screen mesh swings left and right, the material cannot leak from the discharging hole of the screen mesh.

Preferably, the one end of fortune silo is equipped with the protection chamber, the drive of second screw feeder is fixed in the protection intracavity, the link of axis of rotation and drive chain is located the protection intracavity, positive reverse motor two is fixed on the fortune silo outer wall that the protection chamber corresponds. The drive of second screw feeder and drive chain are not influenced by the material that falls into the fortune silo to this department's setting assurance, improve equipment life, are convenient for maintain.

The utility model discloses still including other subassemblies that can make a wheat original seed preparator normal use, control assembly, the control assembly of just reversing motor one, the control assembly of just reversing motor two etc. of the control assembly of first spiral feeder, second spiral feeder is the conventional technological means in this field. Additionally, the utility model discloses in not adding the conventional technological means in this field of limited device or subassembly, for example, first screw feeder, second screw feeder, positive reverse motor one, positive reverse motor two, spout, slider, tooth's socket, drive gear, drive chain, sealing washer etc. all adopt conventional technological means in this field.

The working principle is as follows: the method comprises the steps of controlling the speed of feeding wheat seeds by controlling the rotating speed of a first spiral feeder in a feeding bin, enabling light impurities and unqualified light seeds contained in the wheat seeds to float to the outside of a screen by blowing of a fan in the process of entering a screening bin from the feeding bin, enabling the light impurities and the unqualified light seeds to fall into a first bin below the screen, enabling the wheat seeds subjected to primary blowing screening by the fan to enter the screen from a feeding port of the screen, enabling a bin gate between the screen and a material conveying groove to be in a closed state, starting a forward and reverse motor to do periodic forward and reverse rotation, and driving the screen to swing left and right (the forward and reverse rotation period of the forward and reverse motor is set to be good enough to enable the screen to swing left and right to reach the optimal screening amplitude without colliding with the inner wall of the screening bin (the forward and reverse rotation period of the forward and reverse motor is set to be the prior art, the wheat seeds cannot be ejected from the screen), and enabling the unqualified seeds with smaller particles Less impurity of product filters out and falls in feed bin one, the shape of screen cloth sets up the area of contact who has increased screen cloth and wheat original seed, be favorable to improving screening efficiency, the motion of screen cloth makes the dynamics of the screening that has increased in limited space, make wheat original seed can be by high efficiency, high-quality screening in the screen cloth, the screening is accomplished the back, a just reverse motor stall, just reverse motor two forward rotations, drive the axis of rotation, drive gear rotates, make the door open, high-quality wheat original seed after the screening falls into the fortune silo, start second screw feeder, pass through discharge opening and unloading pipe with the high-quality wheat original seed in the fortune silo on next step and get into waiting to handle of feed bin second grade.

Compared with the prior art, the beneficial effects of the utility model are that: 1. simple and reasonable structure, small volume, convenient use and operation, high screening efficiency, good screening effect and convenient maintenance. 2. Through the mutual cooperation of fan and screen cloth, carry out 2 screens to the wheat stock seeds, detach light and heavy matter impurity respectively, improved the efficiency of selecting seeds and the effect of selecting seeds. 3. The size of the sieve pores of the screen mesh can be adjusted to be suitable for selection operation of various seeds, and the method is strong in practicability and wide in application range.

Drawings

FIG. 1 is a schematic structural view of a wheat stock seed refiner of the present invention;

FIG. 2 is an elevational view at A-A of the FIG. 1 door when closed;

FIG. 3 is an elevational view at A-A of FIG. 1 with the bin door open;

FIG. 4 is a bottom view of the material transport tank at B-B in FIG. 2;

FIG. 5 is a top view of the door of FIG. 2;

FIG. 6 is a bottom view of the bin gate of FIG. 2;

fig. 7 is a sectional view of the connection between the sliding block and the sliding groove of the middle bin gate of the present invention.

In the figure: the device comprises a discharge bin 1, a first spiral feeder 2, a fan 3, a screen 4, a forward and reverse rotating motor I5, a material conveying trough 6, a second spiral feeder 7, a protection cavity 8, a driving cavity 9, a discharge tube 10, a bin I11, a bin II 12, a bin door 13, a sealing ring 14, a forward and reverse rotating motor II 15, a transmission gear 16, a transmission chain 17, a rotating shaft 18, a tooth groove 19, a sliding block 20, a feed inlet 21 and a sliding groove 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-7, a wheat stock seed classificator comprises a classificator body, wherein the classificator body comprises a lower bin 1, a screening bin and a storage bin;

a first spiral feeder 2 is arranged in the blanking bin 1, and a blanking port of the blanking bin 1 extends into the screening bin;

a fan 3 and a screening mechanism are arranged in the screening bin, and the screening mechanism comprises a screen 4, a material conveying groove 6, a second spiral feeder 7 and a forward and reverse rotating motor I5; the section of the screen 4 is in an arc shape, a feed opening of the feeding bin 1 corresponds to a feed opening at the top of the screen 4, the fan 3 is positioned between the feed opening of the feeding bin 1 and the feed opening of the screen 4, the blowing direction of the fan 3 is vertical to the feed direction of the feeding bin 1, the bottom of the screen 4 is fixedly connected with the top of the material conveying groove 6, and a discharge opening is formed in the bottom of the screen 4; the material conveying groove 6 is cylindrical, the top of the material conveying groove is provided with a feeding hole, two ends of the material conveying groove 6 are rotatably connected with the side wall of the screening bin through bearings, the bottom of one end of the material conveying groove 6 is provided with a discharging hole, the other end of the material conveying groove penetrates through the side wall of the screening bin and then is connected with an output shaft of a forward and reverse rotating motor I5, the second spiral feeder 7 is arranged in the material conveying groove 6, the feeding direction of the second spiral feeder 7 is consistent with the direction of the discharging hole of the material conveying groove 6, a discharging hole in the bottom of the screen 4 is matched with the feeding hole in the top of the material conveying groove 6, and a bin door 13 capable of;

the storage silo includes feed bin 11 and feed bin two 12, feed bin 11 is located the below of screening storehouse, feed bin two 12 communicates with each other through blanking pipe 10 and fortune silo 6's discharge opening.

The bin gate 13 is an arc-shaped plate matched with the material conveying groove 6, the inner walls of the material conveying grooves 6 at the two ends of the feeding hole of the material conveying groove 6 are respectively provided with a sliding groove 22, the outer walls at the two ends of the bin gate 13 are provided with a convex sliding block 20 corresponding to the sliding grooves 22, the sliding blocks 20 are positioned in the sliding grooves 22 and are in sliding connection with the sliding grooves 22, the section of each sliding block is T-shaped, the sliding grooves are matched with the sliding blocks, the sliding blocks are clamped in the sliding grooves and can slide along the sliding grooves, and the sliding blocks are prevented from falling out of the sliding grooves while the sliding blocks do not influence the movement in the sliding grooves; all be equipped with a tooth's socket 19 on the inner wall at door 13 both ends, all mesh on the tooth's socket 19 has a drive gear 16, and fixed connection a axis of rotation 18 between two drive gears 16, pass through behind each drive gear 16 at the both ends of axis of rotation 18 and rotate through bearing and the inner wall of the fortune material groove 6 that corresponds and be connected, the one end of axis of rotation 18 still is connected with two 15 positive and negative motors through drive chain 17. The rotating shaft 18 is driven to rotate forward and backward through the forward and backward rotation of the forward and backward rotation motor II 15, and the transmission gear 16 on the rotating shaft 18 rotates forward and backward along with the forward and backward rotation motor II, so that the bin door 13 meshed with the rotating shaft can be driven to open and close.

The inner wall of the material conveying groove 6 around the feeding hole is provided with a circle of sealing ring 14, the sealing ring 14 is in contact with the closed bin gate 13, and the position is provided with a discharge hole which can ensure that the material cannot leak from the screen 4 when the bin gate 13 is closed and the screen 4 swings left and right.

One end of the material conveying groove 6 is provided with a protection cavity 8, the drive 9 of the second spiral feeder 7 is fixed in the protection cavity 8, the connecting end of the rotating shaft 18 and the transmission chain 17 is located in the protection cavity 8, and the forward and reverse motor two 5 is fixed on the outer wall of the material conveying groove 6 corresponding to the protection cavity 8. The arrangement ensures that the drive 9 and the transmission chain 17 of the second screw feeder 7 are not influenced by the material falling into the material conveying groove 6, thereby prolonging the service life of the equipment and facilitating the maintenance.

When the device is used, the speed of feeding wheat raw seeds is controlled by controlling the rotating speed of the first spiral feeder 2 in the feeding bin 1, when wheat raw seeds enter the screening bin from the feeding bin 1, the fan 3 blows air to enable light impurities and unqualified light seeds to float to the outside of the screen 4 and fall into the first bin 11 below the screen 4, the wheat seeds screened by the first blowing of the fan 3 enter the screen 4 from the feeding port of the screen 4, the bin gate 13 between the screen 4 and the material conveying groove 6 is in a closed state, the forward and reverse motor 5 is started to do periodic forward and reverse rotation to drive the screen 4 to swing left and right (the forward and reverse rotation period of the forward and reverse motor 5 is set to enable the screen 4 to swing left and right to reach the optimum screening amplitude without colliding with the inner wall of the screening bin (the forward and reverse rotation period of the forward and reverse motor is set to be the prior art, and will not be repeated here), the wheat breeder seeds can not be splashed out from the screen cloth), the screen cloth 4 filters out unqualified seeds with smaller particles and impurities with larger weight density and smaller volume in the wheat breeder seeds and falls into the first material bin 11 in the left-right swinging process, the shape of the screen cloth 4 increases the contact area of the screen cloth 4 and the wheat breeder seeds, which is beneficial to improving the screening efficiency, the motion mode of the screen cloth 4 increases the screening strength in a limited space, so that the wheat breeder seeds can be screened with high efficiency and high quality in the screen cloth 4, after the screening is finished, and the forward and reverse rotation motor I5 stops rotating, the forward and reverse rotation motor II 15 rotates forward to drive the rotating shaft 18 and the transmission gear 16 to rotate, so that the bin gate 13 is opened, the screened high-quality wheat stock seeds fall into the material conveying groove 6, the second spiral feeder 7 is started, and the high-quality wheat stock seeds in the material conveying groove 6 enter the bin II 12 through the discharge hole and the discharge pipe 10 to wait for next treatment.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A wheat stock seed classificator comprises a classificator body and is characterized in that the classificator body comprises a discharging bin, a screening bin and a storage bin;

2. The wheat stock seed classificator according to claim 1, wherein the bin gate is an arc-shaped plate matched with the material conveying groove, the inner walls of the material conveying groove at two ends of the feeding hole of the material conveying groove are respectively provided with a sliding groove, the outer walls at two ends of the bin gate are respectively provided with a convex sliding block corresponding to the sliding groove, the sliding blocks are positioned in the sliding grooves and are in sliding connection with the sliding grooves, the inner walls at two ends of the bin gate are respectively provided with a tooth groove, the tooth grooves are respectively engaged with a transmission gear, a rotating shaft is fixedly connected between the two transmission gears, two ends of the rotating shaft penetrate through the transmission gears and are then rotatably connected with the corresponding inner walls of the material conveying groove through bearings, and one end of the rotating shaft is further connected with a forward and backward rotating motor II through.

3. The wheat stock seed concentrator as claimed in claim 2, wherein a ring of sealing ring is provided on the inner wall of the material conveying groove around the feed inlet, and the sealing ring is in contact with the closed bin gate.

4. The wheat stock seed classificator according to claim 2, wherein a protection cavity is arranged at one end of the material conveying groove, the second screw feeder is driven and fixed in the protection cavity, the connecting end of the rotating shaft and the transmission chain is positioned in the protection cavity, and the forward and reverse motor II is fixed on the outer wall of the material conveying groove corresponding to the protection cavity.