CN218902694U - Seed wind screening system - Google Patents

Abstract

The utility model discloses a seed wind screen cleaning system, which comprises a cleaning box and a diversion mechanism; cleaning box: the upper end of the cleaning box is of an opening structure, the front side surface and the rear side surface of the cleaning box are respectively provided with an L-shaped air sieve tube, the L-shaped air sieve tubes are all communicated with the cleaning box, the middle parts of the vertical tube bodies of the L-shaped air sieve tubes are respectively provided with an air outlet pipe, one end, far away from the cleaning box, of the air outlet pipe is provided with an electric fan, one end, close to the cleaning box, of the air outlet pipe is provided with a filter screen, and the lower end of the front surface of the cleaning box is provided with a discharge hole; the flow guiding mechanism comprises: the cleaning box is arranged in the cleaning box; wherein: still include control switch group, control switch group sets up in the right flank of cleaning box, and control switch group's input electricity is connected in external power source, and this seed wind screen cleaning system concentrates the impurity in the seed on the surface of seed before the wind screen begins, can be more accurate with impurity follow seed separation, improves the quality of wind screen.

Description

Seed wind screening system

Technical Field

The utility model relates to the technical field of seed processing, in particular to a seed wind screening and cleaning system.

Background

Seeds are structures formed by fertilizing ovules of seed plants, and in order to improve the survival rate and planting quality of the seeds, the seeds are often processed by various mechanical equipment, mainly comprising the procedures of threshing, selecting, drying, selecting and grading, coating, packaging and the like, wherein the steps of cleaning and drying are the primary stage of seed processing, the seed processing industry in any country starts from the two procedures of cleaning and drying, and various modes of cleaning the seeds, such as winnowing, screening, water screening and the like, are adopted, and winnowing is the most common; in the prior art, when cleaning, pour the seed into the cleaning plant inside, make the seed constantly fall in cleaning plant inside, under the effect of air negative pressure suction, separate the impurity in the seed of whereabouts in-process, clean the seed, but at the wind screen in-process of seed, because seed and impurity intermixture, sometimes wind-force can not be accurate separate the impurity from seed, still remain the impurity in the seed after making the wind screen, influence the quality of wind screen, for this reason, we propose a seed wind screen cleaning system.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides a seed wind screen cleaning system, which concentrates impurities in seeds on the surfaces of the seeds before wind screen starting, can separate the impurities from the seeds more accurately, improves the quality of the wind screen, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the seed wind screening system comprises a screening box and a diversion mechanism;

cleaning box: the upper end of the cleaning box is of an opening structure, the front side surface and the rear side surface of the cleaning box are respectively provided with an L-shaped air sieve tube, the L-shaped air sieve tubes are all communicated with the cleaning box, the middle parts of the vertical tube bodies of the L-shaped air sieve tubes are respectively provided with an air outlet pipe, one end, far away from the cleaning box, of the air outlet pipe is provided with an electric fan, one end, close to the cleaning box, of the air outlet pipe is provided with a filter screen, and the lower end of the front surface of the cleaning box is provided with a discharge hole;

the flow guiding mechanism comprises: the cleaning box is arranged in the cleaning box;

wherein: still include control switch group, control switch group sets up in the right flank of cleaning box, and control switch group's input electricity is connected in external power source, and electric fan's input electricity is connected in control switch group's output, reduces the whereabouts speed of seed many times, makes the seed carry out many times screening in the less whereabouts height, improves the efficiency of screening, concentrates the impurity in the seed on the surface of seed before the wind screen begins, can be more accurate with impurity separation from seed kind, improves the quality of wind screen.

Further, guiding mechanism includes guide plate, eccentric plate and steering column, the steering column rotates respectively and connects about the inner wall between the cleaning box, and dislocation about two adjacent steering columns, the extrados of steering column all is equipped with the guide plate, and the eccentric plate rotates through the pivot respectively and connects about the cleaning box between the inner wall, eccentric plate and guide plate one-to-one and with the laminating of the lower surface of guide plate, guide the whereabouts orbit of seed.

Further, the flow guiding mechanism further comprises a motor, the motor is respectively arranged on the right side face of the cleaning box, the left end of an output shaft of the motor is respectively fixedly connected with a rotating shaft at the right end of an adjacent eccentric plate, and the input end of the motor is electrically connected with the output end of the control switch group to provide power for the rotation of the eccentric plate.

Further, the guide mechanism further comprises torsion springs, the torsion springs are respectively movably sleeved at the left end and the right end of the outer cambered surface of the rotary column, one end, close to the cleaning box, of each torsion spring is fixedly connected with the cleaning box, one end, far away from the cleaning box, of each torsion spring is respectively fixedly connected with the rotary column, and the guide plates conveniently drive seeds to vibrate.

Further, the guide plate is gradually inclined downwards from one end far from the longitudinal center of the cleaning box to one end close to the longitudinal center of the cleaning box, so that the guide plate is always in an inclined state.

Further, the left side face and the right side face of the cleaning box are respectively provided with an air inlet hole, so that external air can conveniently enter the cleaning box.

Further, the bottom wall of the cleaning box is provided with an inclined bottom plate, so that seeds can be conveniently and rapidly discharged.

Compared with the prior art, the utility model has the beneficial effects that: the seed wind screening system has the following advantages:

the seed is poured into the cleaning box, the seed falls on the upper surface of the guide plate at the uppermost side, the motor is started through the control switch group, the guide plate drives the seed to vibrate, because the guide plate is in an inclined state, along with the vibration of the seed, the seed on the surface of the guide plate gradually moves downwards along the guide plate, the lighter weight impurities are concentrated at the upper end of the seed through the gravity difference between the seed and the impurities, after the seed leaves the guide plate, the impurities in the seed are positioned close to the L-shaped wind screen pipe, the electric fan is started, the impurities in the seed are sucked into the L-shaped wind screen pipe, the wind screen is used for cleaning the seed, along with the continuous falling of the seed, the falling track of the seed is guided through the guide plate which is vertically distributed, the falling speed of the seed is reduced for a plurality of times, the seed is screened for a plurality of times in a smaller falling height, the screening efficiency is improved, the impurities in the seed are concentrated on the surface of the seed before the wind screen is started, the impurities can be separated from the seed more accurately, and the quality of the wind screen is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inside of the purge bin of the present utility model;

FIG. 3 is a schematic side sectional view of the purge bin of the present utility model;

fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: the device comprises a cleaning box 1, a 2L-shaped wind screen pipe, a 3 air outlet pipe, a 4 electric fan, a 5 filter screen, a 6 discharge hole, a 7 flow guiding mechanism, a 71 flow guiding plate, a 72 eccentric plate, a 73 motor, a 74 rotating column, a 75 torsion spring, an 8 air inlet hole, a 9 inclined bottom plate and a 10 control switch group.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: the seed wind screening system comprises a screening box 1 and a diversion mechanism 7;

cleaning box 1: the upper end of the cleaning box is of an opening structure, seeds conveniently enter the cleaning box 1, the front side surface and the rear side surface of the cleaning box 1 are respectively provided with an L-shaped air screen pipe 2, space is provided for circulation of air flow, the L-shaped air screen pipes 2 are communicated with the cleaning box 1, the middle parts of vertical pipe bodies of the L-shaped air screen pipes 2 are respectively provided with an air outlet pipe 3, one ends, far away from the cleaning box 1, of the air outlet pipes 3 are respectively provided with an electric fan 4, one ends, close to the cleaning box 1, of the air outlet pipes 3 are respectively provided with a filter screen 5, the electric fans 4 are started to enable air to flow, impurities in the seeds in the falling process are sucked into the L-shaped air screen pipes 2, the impurities are left in the L-shaped air screen pipes 2 under the filtering of the filter screen 5, the lower end of the front surface of the cleaning box 1 is provided with a discharge hole 6, the left side surface and the right side surface of the cleaning box 1 are respectively provided with an air inlet hole 8, the outer air is conveniently enter the cleaning box 1, the bottom wall of the cleaning box 1 is provided with an inclined bottom plate 9, and the movement track of the seeds is conveniently discharged from the discharge hole 6;

the flow guiding mechanism 7: the guide mechanism 7 comprises guide plates 71, eccentric plates 72 and rotating columns 74, wherein the rotating columns 74 are respectively and rotatably connected between the left and right inner walls of the cleaning box 1, two adjacent rotating columns 74 are staggered left and right, guide plates 71 are respectively arranged on the outer cambered surfaces of the rotating columns 74, the eccentric plates 72 are respectively and rotatably connected between the left and right inner walls of the cleaning box 1 through rotating shafts, the eccentric plates 72 and the guide plates 71 are in one-to-one correspondence and are attached to the lower surfaces of the guide plates 71, the guide mechanism 7 further comprises motors 73, the motors 73 are respectively arranged on the right side surface of the cleaning box 1, the left ends of output shafts of the motors 73 are respectively and fixedly connected with the rotating shafts of the right ends of the adjacent eccentric plates 72, the input ends of the motors 73 are electrically connected with the output ends of the control switch group 10, the guide mechanism 7 further comprises torsion springs 75, the torsion springs 75 are respectively and movably sleeved on the left and right ends of the outer cambered surfaces of the rotating columns 74, the end of the torsion spring 75 close to the cleaning box 1 is fixedly connected with the cleaning box 1, the end of the torsion spring 75 far away from the cleaning box 1 is fixedly connected with the rotary column 74 respectively, the guide plate 71 gradually inclines downwards from the end far away from the longitudinal center of the cleaning box 1 to the end close to the longitudinal center of the cleaning box 1, the motor 73 is started, the output shaft of the motor 73 drives the eccentric plate 72 to rotate, when the eccentric end of the eccentric plate 72 contacts with the guide plate 71, the eccentric plate 72 rotates to give upward acting force to the guide plate 71, the guide plate 71 drives the rotary column 74 and the rotary column 74 to rotate as the center, the torsion spring 75 generates torsion, after the eccentric end of the eccentric plate 72 is separated from the guide plate 71, the guide plate 71 is reset under the action of the torsion spring 75 and the gravity of the guide plate 71, the guide plate 71 drives seeds to vibrate because the guide plate 71 is in an inclined state, the seeds on the surface of the guide plate 71 gradually move downwards along the guide plate 71, the impurities with lighter weight are concentrated at the upper end of the seeds through the gravity difference between the seeds and the impurities, after the seeds leave the guide plate 71, the impurities in the seeds are positioned close to the L-shaped air screen pipe 2, so that the seeds are thoroughly screened, and along with the continuous falling of the seeds, the falling track of the seeds is guided through the guide plates 71 which are vertically distributed, so that the seeds are screened for multiple times, and the screening effect is improved;

wherein: the electric fan cleaning device further comprises a control switch group 10, wherein the control switch group 10 is arranged on the right side face of the cleaning box 1, the input end of the control switch group 10 is electrically connected with an external power supply, the input end of the electric fan 4 is electrically connected with the output end of the control switch group 10, and the starting and stopping of the whole device are controlled.

The working principle of the seed wind screen cleaning system provided by the utility model is as follows: when in use, seeds are poured into the cleaning box 1 from the opening at the upper end of the cleaning box 1, the seeds fall on the upper surface of the guide plate 71 at the uppermost side, the motor 73 is started by the control switch group 10, the output shaft of the motor 73 drives the eccentric plate 72 to rotate, when the eccentric end of the eccentric plate 72 contacts with the guide plate 71, the eccentric plate 72 rotates to give the guide plate 71 an upward acting force, the guide plate 71 drives the rotating column 74 to rotate around the rotating column 74 as the center, the torsion spring 75 generates torsion force, when the eccentric end of the eccentric plate 72 is separated from the guide plate 71, the guide plate 71 is reset under the action of the torsion force of the torsion spring 75 and the gravity of the guide plate 71, the guide plate 71 drives the seeds to vibrate, because the guide plate 71 is in an inclined state, along with the vibration of the seeds, the seeds on the surface of the guide plate 71 gradually move downwards along the guide plate 71, through the gravity difference between seed and the impurity, make the lighter impurity of weight concentrate in the upper end of seed, after the seed leaves guide plate 71, impurity in the seed is in the position that is close to L type wind screen pipe 2, start electric fan 4, make the air produce the flow, make outside air get into cleaning box 1 inside and with the seed contact of whereabouts seed from the fresh air inlet 8, drive impurity in the seed get into L type wind screen pipe 2, and leave inside L type wind screen pipe 2 under the filtration of filter screen 5, carry out the wind screen cleaning to the seed, along with the continuous whereabouts of seed, guide the whereabouts orbit of seed through vertical distribution's guide plate 71, reduce the whereabouts speed of seed, make the seed carry out a lot of screening in less whereabouts height, improve the efficiency of screening.

It should be noted that, the electric fan 4 and the motor 73 disclosed in the above embodiment may be freely configured according to the practical application scenario, the electric fan 4 may be an electric fan of FT8-20 model, the motor 73 may be a motor of D08LD40-48A-30S model, and the control switch group 10 is provided with switch buttons corresponding to the electric fan 4 and the motor 73 one by one for controlling the switching operation thereof.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims (7)

1. Seed wind screening system, its characterized in that: comprises a cleaning box (1) and a diversion mechanism (7);

cleaning box (1): the upper end of the cleaning box is of an opening structure, the front side surface and the rear side surface of the cleaning box (1) are respectively provided with an L-shaped air screen pipe (2), the L-shaped air screen pipes (2) are all communicated with the cleaning box (1), the middle parts of the vertical pipe bodies of the L-shaped air screen pipes (2) are respectively provided with an air outlet pipe (3), one ends, far away from the cleaning box (1), of the air outlet pipes (3) are respectively provided with an electric fan (4), one ends, close to the cleaning box (1), of the air outlet pipes (3) are respectively provided with a filter screen (5), and the lower ends of the front surfaces of the cleaning boxes (1) are provided with discharge holes (6);

flow guiding mechanism (7): is arranged in the cleaning box (1);

wherein: the cleaning box further comprises a control switch group (10), the control switch group (10) is arranged on the right side face of the cleaning box (1), the input end of the control switch group (10) is electrically connected with an external power supply, and the input end of the electric fan (4) is electrically connected with the output end of the control switch group (10).

2. A seed wind screen cleaning system according to claim 1, wherein: the guide mechanism (7) comprises guide plates (71), eccentric plates (72) and rotating columns (74), wherein the rotating columns (74) are respectively connected between the left inner wall and the right inner wall of the cleaning box (1) in a rotating mode, the adjacent two rotating columns (74) are staggered left and right, guide plates (71) are respectively arranged on the outer cambered surfaces of the rotating columns (74), the eccentric plates (72) are respectively connected between the left inner wall and the right inner wall of the cleaning box (1) in a rotating mode through rotating shafts, and the eccentric plates (72) correspond to the guide plates (71) one by one and are attached to the lower surfaces of the guide plates (71).

3. A seed wind screen cleaning system according to claim 2, wherein: the flow guiding mechanism (7) further comprises a motor (73), the motor (73) is arranged on the right side face of the cleaning box (1) respectively, the left end of an output shaft of the motor (73) is fixedly connected with a rotating shaft at the right end of an adjacent eccentric plate (72) respectively, and the input end of the motor (73) is electrically connected with the output end of the control switch group (10).

4. A seed wind screen cleaning system according to claim 2, wherein: the guide mechanism (7) further comprises a torsion spring (75), the torsion spring (75) is movably sleeved at the left end and the right end of the outer cambered surface of the rotary column (74), one end, close to the cleaning box (1), of the torsion spring (75) is fixedly connected with the cleaning box (1), and one end, far away from the cleaning box (1), of the torsion spring (75) is fixedly connected with the rotary column (74) respectively.

5. A seed wind screen cleaning system according to claim 2, wherein: the deflector (71) is inclined gradually downward from one end away from the longitudinal center of the purge bin (1) to one end near the longitudinal center of the purge bin (1).

6. A seed wind screen cleaning system according to claim 1, wherein: air inlet holes (8) are respectively formed in the left side surface and the right side surface of the cleaning box (1).

7. A seed wind screen cleaning system according to claim 1, wherein: the bottom wall of the cleaning box (1) is provided with an inclined bottom plate (9).

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