CN221086372U - Wheat breeding seed selection device - Google Patents

Abstract

The utility model provides a wheat breeding and seed selecting device, which comprises a main body, a winnowing component and a screening component, wherein the main body comprises a box body, a hopper is arranged at the upper end of the box body, an intermittent blanking device is arranged on the hopper, a storage bin is arranged at the lower end of the box body, the winnowing component and the screening component are arranged in the box body, the winnowing component comprises a fan and a winnowing box, the screening component comprises a screening frame, the screening frame is in sliding connection with the inner wall of the box body, a screen mesh is connected with the screening frame, during use, wheat is poured into the hopper, the intermittent blanking of the wheat is realized under the action of the intermittent blanking device, the wheat sequentially falls into the winnowing box and the screening frame to finish the winnowing process and the screening process, finally qualified wheat seeds enter the storage bin to be collected, and the device adopts the combined action of the winnowing and the screening modes, so that impurities and unqualified seeds in the wheat seeds can be removed more thoroughly, and the seed selecting quality can be improved.

Description

Wheat breeding seed selection device

Technical Field

The utility model relates to the technical field of breeding equipment, in particular to a wheat breeding and seed selecting device.

Background

Wheat is a common grain crop in north of China, and before wheat is planted, wheat seeds are selected for wheat seed selection, namely wheat seeds with full seeds are selected from wheat seeds to be reserved as wheat seeds, so that the quality of wheat seeds is improved, and the yield of wheat is improved.

Through retrieving discovery, disclose a wheat breeding seed selection device among the prior art of number CN216705109U that grants, the device includes the casing, be provided with the inlet port on the casing, be provided with the direction shell in the casing, be provided with the seed on the direction shell and collect the mouth, the seed is collected the mouth and is located the below of inlet port, be provided with the air-blower between seed collection mouth and the inlet port, the casing bottom is provided with reciprocal filter unit, during the use, start the air-blower, and pour the wheat seed into the inlet port, the in-process of wheat seed whereabouts, the wind-force of air-blower blows off the wheat bran in the wheat seed, the wheat after blowing off the wheat bran falls on reciprocal filter unit and filters, filtering grit and shrunken wheat seed, accomplish the seed selection work of wheat finally.

The device has the following problems in use: firstly, the inlet is lack intermittent blanking device, after wheat seeds are poured into the inlet, the wheat seeds can be concentrated and pass through between the seed collecting port and the inlet, the time of the wind action of the air blower is very short, the blowing effect is influenced, in addition, the reciprocating filtering component carries out seed selection through wheat seeds in the rolling process on the filtering plate, the screening time of the wheat seeds on the filtering plate is short, and the screening quality and the screening efficiency are both adversely affected.

Disclosure of utility model

In order to solve the problems in the prior art, the wheat breeding and selecting device is provided. The technical scheme adopted for solving the technical problems is as follows:

a wheat breeding seed selection device, comprising:

The main body comprises a box body, the top wall of the box body is penetrated and fixedly connected with a feeding hopper, the bottom wall of the box body is penetrated and fixedly connected with a storage bin, and the feeding hopper is communicated with the storage bin;

The air separation assembly is positioned in the box body and comprises a fan and an air separation box, the air separation box is positioned below the feeding hopper and is communicated with the feeding hopper, the fan is positioned on one side of the air separation box and is communicated with the air separation box, and a impurity removal pipeline is communicated with one side of the air separation box away from the fan;

The screening assembly is located in the box body, the screening assembly comprises a screening frame, the lower end of the screening frame is fixedly connected with a screen, the screening frame is located below the winnowing box and is communicated with the winnowing box, the screening frame is in sliding connection with the inner wall of the box body, a driving device is arranged on the box body and is in driving connection with the screening frame, and the driving device drives the screening frame to slide back and forth in the box body.

Preferably, the main body further comprises a plurality of supporting legs, the supporting legs are located below the box body, and the supporting legs are fixedly connected with the box body.

Preferably, the driving device comprises a crankshaft, wherein the crankshaft penetrates through the box body and is rotationally connected with the box body, and the crankshaft is hinged with the screening frame.

Preferably, a driving motor is arranged on the top wall of the box body, and the upper end of the crankshaft penetrates out of the top wall of the box body and is fixedly connected with the shaft end of the driving motor.

Preferably, the intermittent discharging device is arranged after the lower end of the feeding hopper penetrates into the box body, the intermittent discharging device comprises a rotating pipe, the rotating pipe is sleeved at the lower end of the feeding hopper and is rotationally connected with the feeding hopper, a baffle plate is fixedly connected in a pipe cavity of the rotating pipe, the baffle plate is in sliding contact with the bottom wall of the feeding hopper, a lower discharging hole is formed in the eccentric position of the baffle plate, an upper discharging hole is formed in the bottom wall of the feeding hopper, and the lower discharging hole is matched with the upper discharging hole.

Preferably, the striker plate is fixedly connected with a stirring shaft in a coaxial manner, the stirring shaft penetrates through the bottom wall of the feeding hopper in the upward direction and is rotationally connected with the bottom wall of the feeding hopper, and a plurality of groups of stirring rods are fixedly connected at intervals after penetrating into the feeding hopper in the upward direction.

Preferably, the rotary pipe is sleeved with and fixedly connected with a driven gear ring, the crankshaft is fixedly sleeved with a driving gear, and the driven gear ring is in meshed connection with the driving gear.

Preferably, the cross sections of the feeding hopper and the rotating pipe are circular.

Preferably, the upper end of the winnowing box is in sliding contact with the lower surface of the striker plate, and the winnowing box is communicated with the lower discharge hole.

Preferably, the impurity removing pipeline is detachably sleeved with a collecting bag after penetrating out of the inner wall of the box body.

Preferably, the material of the collecting bag comprises a cloth material.

Preferably, a box door is arranged on the side wall of one side of the box body, and the box door is rotationally connected with the box body.

Preferably, the inner wall of the box body is symmetrically and fixedly connected with a sliding groove, the screening frame is positioned between the two groups of sliding grooves, the screening frame is positioned above the storage bin, and the screening frame penetrates through the sliding groove and is in sliding connection with the sliding groove.

Preferably, a connecting rod is further arranged between the crankshaft and the screening frame, one end of the connecting rod is hinged to the crankshaft, and the other end of the connecting rod is hinged to the screening frame.

Preferably, the connecting rod comprises a first threaded rod, a second threaded rod and a sleeve, wherein the first threaded rod and the second threaded rod are all arranged in the sleeve in a penetrating mode and are in threaded connection with the sleeve, one end of the first threaded rod penetrates out of the sleeve and then is hinged to the crankshaft, and one end of the second threaded rod penetrates out of the sleeve and then is hinged to the screening frame.

Preferably, the lower end of the storage bin is fixedly communicated with a discharge pipe, and the lower end of the discharge pipe is detachably connected with a plug cover.

Preferably, the side wall of the discharging pipe and the inner wall of the plug cover are provided with threads which are matched with each other, and the discharging pipe is in threaded connection with the plug cover.

Compared with the prior art, the utility model has the beneficial effects that:

1. The utility model is provided with the winnowing component and the screening component, the winnowing component comprises a fan and a winnowing box, the screening component comprises a screening frame, the lower end of the screening frame is fixedly connected with a screen, when seeds are selected, wheat falls into the winnowing box, dust, wheat bran and shrunken wheat seeds are blown away and removed by wind force under the action of wind force of the fan, then the rest wheat seeds fall into the screening frame, and under the action of the screen, large-particle impurities such as stones and soil blocks are screened out, so that impurities and unqualified seeds are removed more thoroughly under the actions of the two modes of winnowing and screening, and the quality of seed selection is improved.

2. The air separation box is also communicated with the impurity removal pipeline, the collecting bag is detachably sleeved after the impurity removal pipeline penetrates out of the box body, and under the action of the impurity removal pipeline and the collecting bag, on one hand, the shrunken wheat seeds blown out in the air separation process fall into the collecting bag to be collected and then reused, so that grain waste is avoided, on the other hand, dust and wheat bran blown out in the air separation process are filtered and collected in the collecting bag, and the dust and wheat bran are prevented from being dispersed in the air, so that the air quality is prevented from being influenced.

3. The intermittent blanking device is arranged on the feeding hopper and comprises a rotary pipe, the rotary pipe is sleeved at the lower end of the feeding hopper and is in rotary connection with the feeding hopper, a baffle plate is fixedly connected in the pipe cavity of the rotary pipe and is in sliding contact with the bottom wall of the feeding hopper, a lower discharging hole is formed in the eccentric position of the baffle plate, an upper discharging hole is formed in the bottom wall of the feeding hopper, the lower discharging hole is matched with the upper discharging hole, the lower discharging hole is periodically communicated with the upper discharging hole under the rotation action of the rotary pipe, intermittent blanking is realized, wheat seeds are separated into batches for winnowing and screening, and therefore the winnowing and screening time is longer, screening is more complete, and the effect is better.

4. The crankshaft is arranged in the driving device, and the crankshaft rotates to drive the screening assembly and the intermittent blanking device simultaneously, wherein the crankshaft is hinged with the screening frame through the connecting rod, the crankshaft rotates unidirectionally to drive the screening frame to slide reciprocally to realize screening, and meanwhile, the crankshaft drives the screening frame to slide with the characteristic of quick return, so that wheat seeds in the screening frame can be spread more uniformly, and the screening effect is better.

5. The connecting rod comprises the first threaded rod, the second threaded rod and the sleeve, wherein the first threaded rod and the second threaded rod are respectively arranged in the sleeve in a penetrating way and are in threaded connection with the sleeve, one end of the first threaded rod penetrates out of the sleeve and is hinged with the crankshaft, one end of the second threaded rod penetrates out of the sleeve and is hinged with the screening frame, the sleeve is rotated, the length of the connecting rod can be adjusted under the action of threads between the first threaded rod, the second threaded rod and the sleeve, and the sliding range of the screening frame in the box body can be adjusted, so that seeds of other crops can be winnowed, and the applicability is improved.

6. According to the wheat seed sorting machine, the lower end of the storage bin is fixedly communicated with the discharging pipe, the lower end of the discharging pipe is detachably connected with the plug cover, when wheat seeds are sorted, the plug cover is buckled on the discharging pipe, the discharging pipe is closed, the sorted wheat seeds fall into the storage bin to be collected, after sorting is finished, the bag is placed below the discharging pipe, the plug cover is unscrewed, the discharging pipe is opened, and then the wheat in the storage bin can be collected into the bag, so that the wheat seed sorting machine is convenient to use.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a front elevational view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the case of the present utility model;

FIG. 3 is a schematic view of the internal structure of the winnowing box in the utility model;

FIG. 4 is a cross-sectional view of the intermittent discharging device and the feeding hopper in the utility model;

FIG. 5 is a top view showing the connection of the screening frame to the chute according to the present utility model;

FIG. 6 is a schematic view of the internal structure of the connecting rod according to the present utility model.

Reference numerals illustrate:

100 boxes; 101 a crankshaft; 102, driving a motor; 103 door; 104a drive gear; 105 sliding grooves; 106 supporting legs; 110 charging hoppers; 111 rotating the tube; 112 striker plate; 113 lower discharge port; 114 upper discharge port; 115 stirring shaft; 116 stirring rod; 117 driven ring gear; 120 storage bins; 121 discharge pipe; 122 corking; 130 fans; 131 winnowing box; 132 a impurity removal pipeline; 133 a collection bag; 134 hopper slots; 140 screening frames; 141 screen mesh; 142 connecting rods; 143 a first threaded rod; 144 a second threaded rod; 145 sleeves.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 1-3, the present utility model provides a wheat breeding and selecting device, which comprises:

The main body comprises a box body 100, a feeding hopper 110 is penetrated through and fixedly connected with the top wall of the box body 100, a storage bin 120 is penetrated through and fixedly connected with the bottom wall of the box body 100, and the feeding hopper 110 is communicated with the storage bin 120;

The air separation assembly is positioned in the box body 100 and comprises a fan 130 and an air separation box 131, the air separation box 131 is positioned below the feeding hopper 110 and is communicated with the feeding hopper 110, the fan 130 is positioned on one side of the air separation box 131 and is communicated with the air separation box 131, and a impurity removal pipeline 132 is communicated on one side of the air separation box 131 away from the fan 130;

Screening subassembly, screening subassembly are arranged in box 100, and screening subassembly includes screening frame 140, screening frame 140 lower extreme fixedly connected with screen cloth 141, screening frame 140 are located the below of selection by winnowing case 131 and with selection by winnowing case 131 intercommunication, screening frame 140 and box 100 inner wall sliding connection are provided with drive arrangement on the box 100, drive arrangement and screening frame 140 drive connection, drive arrangement drives screening frame 140 reciprocal slip in box 100.

The main body further comprises a plurality of supporting legs 106, the supporting legs 106 are positioned below the box body 100, and the supporting legs 106 are fixedly connected with the box body 100.

In this embodiment, the box 100 has a rectangular structure, four legs 106 are provided, and the legs 106 are fixedly connected to four corners of the lower surface of the box 100.

In this embodiment, the air separation box 131 has a rectangular box structure, the upper end of the air separation box 131 is communicated with the feeding hopper 110, and the lower end of the air separation box 131 is communicated with the screening frame 140.

The fan 130 sets up in the one side of selection by winnowing case 131, and the one side intercommunication that the fan 130 was kept away from to the selection by winnowing case 131 has edulcoration pipeline 132, and fan 130 and selection by winnowing case 131 intercommunication, and fan 130 blows off the air current of horizontal direction to the selection by winnowing case 131, and the air current is discharged through edulcoration pipeline 132 after the inside cavity of selection by winnowing case 131.

After wheat is collected, the wheat is generally required to be spread on cement ground or asphalt pavement for airing, so that redundant moisture in wheat seeds is removed, putrefaction in the storage process is prevented, and the aired wheat is easy to mix with sundries such as wheat bran, dust, stones and soil blocks in the collection process.

Before using, place this device on level and firm ground, landing leg 106 and ground contact, landing leg 106 play fixed and support's effect, guarantee this device stability in the use.

When the wheat seed feeding device is used, the device is started, the fan 130 and the driving device start to operate, wheat seeds are poured into the feeding hopper 110, the wheat seeds in the feeding hopper 110 fall into the winnowing box 131 downwards, the wheat seeds enter the winnowing box 131 from an opening at the upper end of the winnowing box 131, and leave the winnowing box 131 from an opening at the lower end of the winnowing box 131.

In the falling process of the wheat seeds in the winnowing box 131, the fan 130 blows air into the winnowing box 131, the wind force direction is the horizontal direction, the wind force acts on the fallen wheat seeds, the dead weights of wheat bran, dust and unqualified seeds in the wheat seeds are light, the motion state of the wheat seeds is easy to change, the dead weights of qualified full seeds and sundries such as mixed stones and clods in the wheat seeds are heavy, and the motion state of the wheat seeds is not easy to change, so that the wheat bran, dust and unqualified seeds in the wheat seeds are blown away under the action of the wind force and are discharged through the impurity removing pipeline 132 under the wrapping of horizontal airflow, and the qualified seeds and sundries such as mixed stones and clods continuously fall off the winnowing box 131 from the opening at the lower end of the winnowing box 131, and the winnowing process of the wheat seeds is completed.

Qualified seeds and sundries such as mixed stones and soil blocks leave the winnowing box 131 and then fall onto a screen 141 in the screening frame 140, the screening frame 140 drives the screen 141 to slide reciprocally in the box 100 under the action of the driving device, the qualified seeds and the mixed stones roll reciprocally on the screen 141, the sundries such as the mixed stones and soil blocks in the wheat seeds are reserved on the screen 141 under the screening action of the screen 141, the qualified seeds pass through the screen 141 and fall to the storage bin 120, and the screening process of wheat seed selection is completed. Finally, the wheat seeds in the storage bin 120 are taken out, so that the seed selection work of wheat breeding is completed.

This device is through selection by winnowing subassembly and screening subassembly that set up, and the wheat breeding selects kind in-process, under the effect of selection by winnowing subassembly, dust in the wheat seed, wheat bran, shrunken wheat seed are blown away by wind-force and are clear away, under the effect of screening subassembly, big granule impurity such as stone, soil block that mix in the wheat seed are sieved out, under the effect of selection by winnowing and screening mode, do benefit to more thorough removal impurity and unqualified seed grain, do benefit to the improvement and select kind quality.

As shown in fig. 1 to 6, in an embodiment of the wheat breeding and selecting apparatus of the present utility model, the driving device includes a crankshaft 101, the crankshaft 101 is disposed in the case 100 in a penetrating manner and is rotatably connected to the case 100, and the crankshaft 101 is hinged to the screening frame 140.

The top wall of the box body 100 is provided with a driving motor 102, and the upper end of the crankshaft 101 penetrates out of the top wall of the box body 100 and is fixedly connected with the shaft end of the driving motor 102.

The intermittent discharging device is installed after the lower end of the feeding hopper 110 penetrates into the box body 100, the intermittent discharging device comprises a rotary tube 111, the rotary tube 111 is sleeved at the lower end of the feeding hopper 110 and is rotationally connected with the feeding hopper 110, a striker plate 112 is fixedly connected in a tube cavity of the rotary tube 111, the striker plate 112 is in sliding contact with the bottom wall of the feeding hopper 110, a lower discharging hole 113 is formed in the eccentric position of the striker plate 112, an upper discharging hole 114 is formed in the bottom wall of the feeding hopper 110, and the lower discharging hole 113 is matched with the upper discharging hole 114.

The baffle 112 is coaxially and fixedly connected with a stirring shaft 115, the stirring shaft 115 penetrates through the bottom wall of the feeding hopper 110 upwards and is rotationally connected with the bottom wall of the feeding hopper 110, and a plurality of groups of stirring rods 116 are fixedly connected at intervals after the stirring shaft 115 penetrates into the feeding hopper 110 upwards.

The rotary tube 111 is sleeved and fixedly connected with a driven gear ring 117, the crankshaft 101 is fixedly sleeved with a driving gear 104, and the driven gear ring 117 is meshed and connected with the driving gear 104.

The cross section of the charging hopper 110 and the rotary pipe 111 is circular.

The upper end of the air separation box 131 is in sliding contact with the lower surface of the striker plate 112, and the air separation box 131 is communicated with the lower discharge port 113.

The impurity removing pipe 132 is detachably sleeved with a collecting bag 133 after penetrating out of the inner wall of the box body 100.

The material of the collecting bag 133 includes cloth material.

A door 103 is provided on a side wall of one side of the case 100, and the door 103 is rotatably connected with the case 100.

The inner wall of the box body 100 is symmetrically and fixedly connected with the sliding grooves 105, the screening frame 140 is positioned between the two groups of sliding grooves 105, the screening frame 140 is positioned above the storage bin 120, and the screening frame 140 is arranged in the sliding grooves 105 in a penetrating manner and is in sliding connection with the sliding grooves 105.

A connecting rod 142 is further arranged between the crankshaft 101 and the screening frame 140, one end of the connecting rod 142 is hinged to the crankshaft 101, and the other end of the connecting rod 142 is hinged to the screening frame 140.

The connecting rod 142 includes a first threaded rod 143, a second threaded rod 144 and a sleeve 145, the first threaded rod 143 and the second threaded rod 144 are all arranged in the sleeve 145 in a penetrating way and are in threaded connection with the sleeve 145, one end of the first threaded rod 143 penetrates out of the sleeve 145 and then is hinged with the crankshaft 101, and one end of the second threaded rod 144 penetrates out of the sleeve 145 and then is hinged with the screening frame 140.

The lower end of the storage bin 120 is fixedly communicated with a discharge pipe 121, and the lower end of the discharge pipe 121 is detachably connected with a plug cover 122.

The side wall of the discharging pipe 121 and the inner wall of the plug cover 122 are provided with threads which are matched with each other, and the discharging pipe 121 is in threaded connection with the plug cover 122.

In this embodiment, the cross sections of the lower discharge port 113 and the upper discharge port 114 are circular, the radii of the lower discharge port 113 and the upper discharge port 114 are the same, the lower discharge port 113 and the upper discharge port 114 are respectively provided with one, and in an initial state, the lower discharge port 113 and the upper discharge port 114 are not communicated.

Be provided with chamber door 103 on the lateral wall of box 100 one side, under the initial condition and whole seed selection in-process, chamber door 103 is closed to do benefit to the seal of guaranteeing box 100, guarantee the effect of selection by winnowing, after the seed selection, open chamber door 103, open box 100, be convenient for the user take out debris such as stones, soil block that remain in screening frame 140, simultaneously, set up openable chamber door 103 and also be convenient for the user to the inside device of this device box 100, like selection by winnowing subassembly, the screening subassembly is maintained.

The storage bin 120 lower extreme fixed communication has discharging pipe 121, and discharging pipe 121 lower extreme can be dismantled and be connected with cock 122, and when wheat selected, cock 122 lock is on the discharging pipe, and the discharging pipe is closed, and selected wheat seed falls into the storage bin and gathers, and after selecting, put the sack in the below of discharging pipe, unscrew cock, the discharging pipe is opened, can collect the sack with the wheat in the storage bin, convenient to use, under the initial state, cock 122 lock is on the discharging pipe.

The winnowing box 131 is located the top of screening frame 140, and winnowing box 131 lower extreme intercommunication has funnel groove 134, and funnel groove 134 is located the top of screening frame 140 and communicates with screening frame 140, and the funnel groove 134 cross-section is trapezoidal, and the upper end opening is big, and the lower extreme opening is little to have certain furling effect to the wheat seed that gets into funnel groove 134, prevent that the wheat seed from falling outside screening frame 140.

The driving motor 102 drives the crankshaft 101 to rotate, and the crankshaft 101 is hinged with the screening frame 140, so that the crankshaft 101 can drive the screening frame 140 to slide reciprocally to realize the screening process of wheat seeds, meanwhile, a crank sliding block structure is formed between the crankshaft 101 and the screening frame 140, and the crankshaft 101 drives the screening frame 140 and the screen 141 to slide, so that wheat seeds in the screening frame 140 can be spread more uniformly, and impurities such as wheat seeds, mixed stone soil blocks and the like can roll more greatly on the screen 141 along with the quick return action of the screening frame 140 and the screen 141, so that the screening effect is better.

It should be noted that, the frame body of the screening frame 140 has a certain height, and the screening frame 140 has a sufficient blocking effect on the wheat seeds falling into the frame body, so that the wheat seeds can be effectively prevented from sliding out of the screening frame 140 and scattering when the screening frame 140 slides, especially suddenly returns.

During the use, in the initial state, in pouring the wheat seed in the hopper 110 entirely, the hopper 110 plays the effect of storage wheat seed, driving motor 102 drives the bent axle 101 and rotates, the bent axle 101 rotates and drives driven ring gear 117 through driving gear 104 and rotate, driven ring gear 117 rotates and drives rotation tube 111 and rotate, rotation tube 111 rotates and drives striker plate 112 and rotate, under striker plate 112 rotation effect, lower discharge gate 113 and last discharge gate 114 periodic communication and shutoff, when lower discharge gate 113 and last discharge gate 114 communicate, the wheat seed in the hopper 110 falls into winnowing box 131 through last discharge gate 114 and lower discharge gate 113, thereby realize intermittent type unloading, the wheat seed is in batches selection and is made, thereby can make the time of selection by winnowing and screening longer, the more abundant of screening, the effect is better.

Meanwhile, the stirring shaft 115 and the stirring rod 116 are driven to rotate by the rotation of the baffle plate 112, and the wheat seeds in the feeding hopper 110 are stirred by the rotation of the stirring shaft 115 and the stirring rod 116, so that intermittent discharging is realized by the rotation of the baffle plate 112 and the rotation of the lower discharging port 113, and the fluidity of the wheat seeds is ensured by stirring the wheat seeds in the feeding hopper 110 by the stirring shaft 115 and the stirring rod 116, so that the wheat seeds can smoothly pass through the upper discharging port 114 and the lower discharging port 113 during discharging.

It should be noted that, by changing the gear ratio of the driving gear 104 and the driven gear 117, the time interval between the periodic connection of the lower discharge port 113 and the upper discharge port 114 can be changed, so that the period of intermittent discharging can be adjusted, the total time of air separation and screening can be further changed, and the applicability of the device can be improved.

During the air separation process, the bran, dust and unqualified seeds of the shrunken wheat seeds are blown off by wind force and are wrapped by horizontal air flow and discharged into a collection bag 133 through a impurity removal pipeline 132 for collection. Under the effect of edulcoration pipeline 132 and collection bag 133, on the one hand, the flat wheat seed that is blown out in the selection by winnowing process falls into and is collected the back and recycle in collection bag 133, like being used as the fodder of poultry domestic animal etc. avoids scattering around this device, causes the waste of grain, on the other hand, dust and the wheat bran that the selection by winnowing in-process blown out also are filtered and are collected in collection bag 133, avoid dust and wheat bran to disperse in the air, influence air quality.

In addition, the material of collecting bag 133 includes the cloth material, has many tiny clearances between the cloth material fibre, and is little to the hindrance effect of air current, can make the air current that blows in the selection by winnowing process pass through smoothly, and simultaneously, tiny clearance has better filter effect to the dust, improves the filter effect.

A connecting rod 142 is arranged between the crankshaft 101 and the screening frame 140, and two ends of the connecting rod 142 are respectively hinged with the crankshaft 101 and the screening frame 140 to play a role in transmission.

The wheat seeds of different batches are different because of the dead weight, and when the selection by winnowing, it falls into the position difference of screening frame 140, consequently in this device, the length of connecting rod 142 can be adjusted to adjust the sliding range of screening frame 140 in box 100, improve the suitability of device, consequently this device changes the sliding range of screening frame 140 in box 100 through the length of adjusting connecting rod 142, cooperates suitable screen cloth 141, also can screen the seed of other crops, such as maize etc. does benefit to the functionality that improves the device.

It should be noted that, the first threaded rod 143 and the second threaded rod 144 are respectively disposed at two ends of the sleeve 145, and the threads between the first threaded rod 143 and the sleeve 145 are matched with each other, and the threads between the second threaded rod 144 and the sleeve 145 are matched with each other, so that when the sleeve 145 is rotated in one direction, the first threaded rod 143 and the second threaded rod 144 can be synchronously screwed out from the sleeve 145, the work of the connecting rod 142 is prolonged, the sleeve 145 is rotated in the other direction, and the first threaded rod 143 and the second threaded rod 144 can be synchronously screwed in from the sleeve 145, so that the work of the connecting rod 142 is shortened.

When the sliding range of the screening frame 140 in the box 100 needs to be adjusted, the sleeve 145 is rotated, and the length of the connecting rod 142 can be adjusted under the action of the threads between the first threaded rod 143, the second threaded rod 144 and the sleeve 145, so that the sliding range of the screening frame 140 in the box 100 is adjusted, and the applicability is improved.

After the seed selection is finished, the box door 103 is opened after the seed selection is finished, sundries such as stones and soil blocks reserved in the screening frame 140 are taken out, and the screen cloth 141 is cleaned so as to be convenient for the next use.

The bag is placed below the discharging pipe 121, the plug cover 122 is unscrewed, the discharging pipe 121 is opened, and the wheat in the storage bin 120 can be collected into the bag, so that the wheat breeding and seed selecting process is completed.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A wheat breeding seed selection device, characterized in that it includes:

The main body comprises a box body, the top wall of the box body is penetrated and fixedly connected with a feeding hopper, the bottom wall of the box body is penetrated and fixedly connected with a storage bin, and the feeding hopper is communicated with the storage bin;

The air separation assembly is positioned in the box body and comprises a fan and an air separation box, the air separation box is positioned below the feeding hopper and is communicated with the feeding hopper, the fan is positioned on one side of the air separation box and is communicated with the air separation box, and a impurity removal pipeline is communicated with one side of the air separation box away from the fan;

The screening assembly is located in the box body, the screening assembly comprises a screening frame, the lower end of the screening frame is fixedly connected with a screen, the screening frame is located below the winnowing box and is communicated with the winnowing box, the screening frame is in sliding connection with the inner wall of the box body, a driving device is arranged on the box body and is in driving connection with the screening frame, and the driving device drives the screening frame to slide back and forth in the box body.

2. The wheat breeding and selecting device according to claim 1, wherein the driving device comprises a crankshaft, the crankshaft is arranged in the box body in a penetrating manner and is in rotary connection with the box body, and the crankshaft is hinged with the screening frame.

3. The wheat breeding and selecting device according to claim 2, wherein the top wall of the box body is provided with a driving motor, and the upper end of the crankshaft penetrates out of the top wall of the box body and is fixedly connected with the shaft end of the driving motor.

4. The wheat breeding and seed selection device according to claim 2, wherein the lower end of the feeding hopper penetrates into the box body and then is provided with an intermittent discharging device, the intermittent discharging device comprises a rotary pipe, the rotary pipe is sleeved at the lower end of the feeding hopper and is rotationally connected with the feeding hopper, a baffle plate is fixedly connected in a pipe cavity of the rotary pipe and is in sliding contact with the bottom wall of the feeding hopper, a lower discharging hole is formed in the eccentric position of the baffle plate, and an upper discharging hole is formed in the bottom wall of the feeding hopper and matched with the lower discharging hole.

5. The wheat breeding and seed selection device according to claim 4, wherein the baffle plate is coaxially and fixedly connected with a stirring shaft, the stirring shaft penetrates through the bottom wall of the feeding hopper in the upward direction and is rotationally connected with the bottom wall of the feeding hopper, and a plurality of groups of stirring rods are fixedly connected at intervals after penetrating into the feeding hopper in the upward direction.

6. The wheat breeding and selecting device according to claim 5, wherein a driven gear ring is sleeved on the rotating tube and fixedly connected with the rotating tube, a driving gear is fixedly sleeved on the crankshaft, and the driven gear ring is meshed with the driving gear.

7. The wheat breeding and selecting device according to claim 1, wherein the impurity removing pipeline is detachably sleeved with a collecting bag after penetrating out of the inner wall of the box body.

8. The wheat breeding and selecting device according to claim 2, wherein a connecting rod is further arranged between the crankshaft and the screening frame, one end of the connecting rod is hinged to the crankshaft, and the other end of the connecting rod is hinged to the screening frame.

9. The wheat breeding and seed selecting device according to claim 8, wherein the connecting rod comprises a first threaded rod, a second threaded rod and a sleeve, the first threaded rod and the second threaded rod are respectively arranged in the sleeve in a penetrating mode and are in threaded connection with the sleeve, one end of the first threaded rod penetrates out of the sleeve and is hinged to the crankshaft, and one end of the second threaded rod penetrates out of the sleeve and is hinged to the screening frame.

10. The wheat breeding and selecting device according to claim 1, wherein a discharging pipe is fixedly communicated with the lower end of the storage bin, and a plug cover is detachably connected with the lower end of the discharging pipe.