CN215844131U - Seed cleaning test bench - Google Patents

Abstract

The utility model relates to the technical field of agricultural machinery, in particular to a seed cleaning test bed which comprises a seed feeding mechanism, a blowing mechanism and a vibration mechanism, wherein the seed feeding mechanism comprises a hopper, a rotating rod and a first motor for driving the rotating rod to rotate; the vibrating mechanism comprises a mesh screen which is transversely arranged and a driving mechanism for driving the mesh screen to vibrate, and the mesh screen is arranged below the hopper; the blowing mechanism is positioned below the mesh screen; and a material receiving disc is arranged on one side of the lower part of the mesh screen, which is far away from the fan. Can obtain the parameter that is fit for the seed screening through this test bench to supply actual cleaning plant to refer to when the debugging, reduce and locate the debugging time at actual cleaning plant, improve debugging efficiency, labour saving and time saving.

Description

Seed cleaning test bench

Technical Field

The utility model relates to the technical field of agricultural machinery, in particular to a seed cleaning test bed.

Background

The alfalfa has high economic value, rich nutritive value and long service life, and is reputed as the king of pasture. With the continuous improvement of the living standard of people in China, the alfalfa industry is rapidly developed in China along with the occurrence of a melamine event, the initiation and implementation of an alfalfa development action in the dairy industry and a grassland ecological restoration and treatment project.

The seeds are a special agricultural production resource, are the basis of agricultural production and have a great significance in the agricultural industry. The problem to be solved in the alfalfa industry in China is the problem of harvesting alfalfa seeds. The alfalfa seed harvesting machinery in China is relatively backward, so that the modified grain combine harvester is mostly used for harvesting alfalfa seeds, but the cleaning equipment corresponding to different seeds has different parameters, so that the configuration of the alfalfa seed cleaning machine is unreasonable at present, and the seed loss rate is high. Because the existing seed cleaning machine is huge and complex, if field adjustment is carried out outdoors, the process of testing and adjusting to be suitable parameters is difficult, and time and labor are wasted.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides the seed cleaning test bed which is convenient for adjusting the parameters of special seed cleaning equipment and provides parameter support for the cleaning machine for the seeds.

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

the seed cleaning test bed comprises a seed feeding mechanism, a blowing mechanism and a vibrating mechanism, wherein the seed feeding mechanism comprises a hopper, a rotating rod and a first motor for driving the rotating rod to rotate; the vibrating mechanism comprises a mesh screen which is transversely arranged and a driving mechanism for driving the mesh screen to vibrate, and the mesh screen is arranged below the hopper; the blowing mechanism is positioned below the mesh screen; and a material receiving disc is arranged on one side of the lower part of the mesh screen, which is far away from the fan.

Optionally, the vibrating mechanism further comprises a material homogenizing plate located below the discharge port of the hopper, the material homogenizing plate is located at the top of the mesh screen, and the material homogenizing plate is in a wavy bent shape.

Optionally, the mesh screen comprises an upper mesh body and a lower mesh body which are horizontally arranged in parallel, and the material homogenizing plate is positioned above the upper mesh body.

Optionally, the blowing mechanism includes a cross-flow fan and a second motor, and the second motor is in driving connection with a rotating shaft of the cross-flow fan.

Optionally, an arc-shaped wind shield is arranged at the top of the axial flow fan, and an arc-shaped wind guide cover for guiding wind upwards is arranged below the axial flow fan.

Optionally, the driving mechanism includes a third motor and a cam, the third motor drives the cam to rotate through a chain, and the cam abuts against the mesh screen.

Optionally, the first motor, the second motor and the third motor are all variable frequency motors.

Optionally, the seed cleaning test bed further comprises a support, and the seed feeding mechanism, the blowing mechanism and the vibrating mechanism are all fixed on the support.

Optionally, the support is provided with a clamping groove, and the mesh screen is detachably clamped in the clamping groove.

Optionally, the support is provided with a slide rail, and the two sides of the mesh screen are supported on the slide rail.

The utility model has the beneficial effects that:

when the seed cleaning test bed is used, seeds to be cleaned (such as alfalfa seeds) are added into a hopper, then a blowing mechanism and a driving mechanism of a vibration mechanism are started, a first motor is started, the first motor drives a rotary rod to rotate, so that a baffle plate on the rotary rod does not block a discharge hole of the hopper any more, the seeds fall onto a mesh screen for screening, under the action of the blowing mechanism, the seeds are blown to the receiving disc, the seed falling amount, the wind power parameter of the blowing mechanism and the vibration amplitude of the mesh screen are controlled by adjusting the rotating speed of the first motor until the seeds can fall into the receiving disc, and thus parameters suitable for seed screening are obtained for reference of an actual cleaning machine during debugging, the debugging time at the actual cleaning machine is reduced, the debugging efficiency is improved, and time and labor are saved.

Drawings

FIG. 1 is a schematic structural view of a seed cleaning test stand in the embodiment, and a partial structure is hidden.

FIG. 2 is a plan view of a module distribution of the seed cleaning stand in the embodiment.

Fig. 3 is a schematic diagram of a seed feeding mechanism in an embodiment.

Fig. 4 is another schematic view of the seed feeding mechanism in the embodiment.

FIG. 5 is a partial schematic view of a seed cleaning stand in the embodiment.

FIG. 6 is a partial schematic view of a vibration mechanism of the seed cleaning test stand in the embodiment.

FIG. 7 is another visual partial schematic view of the vibration mechanism of the seed cleaning stand in the embodiment.

Fig. 8 is a schematic structural view of the blowing mechanism in the embodiment.

Reference numerals:

the device comprises a bracket 1, a clamping groove 11 and a sliding rail 12;

the device comprises a seed feeding mechanism 2, a hopper 21, a rotating rod 22, a first motor 23 and a baffle 24;

the blowing mechanism 3, the cross flow fan 31, the second motor 32, the arc wind shield 33 and the arc wind guide cover 34;

the vibrating mechanism 4, the mesh screen 41, the upper net body 411, the lower net body 412, the third motor 42, the cam 43 and the material homogenizing plate 44;

a take-up pan 5;

and a variable frequency controller 6.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments and the accompanying drawings.

The seed cleaning test bench of this embodiment, as shown in fig. 1 to 8, including support 1, and be fixed in support 1's seed pan feeding mechanism 2, blast mechanism 3 and vibration mechanism 4, seed pan feeding mechanism 2 includes hopper 21, change rod 22 and be used for the drive to change rod 22 pivoted first motor 23, hopper 21 is hopper-shaped and its bottom is equipped with rectangular form discharge gate, change rod 22 and arrange in discharge gate department, and the week side of changeing rod 22 is equipped with polylith baffle 24, baffle 24 arranges along the length direction who changes rod 22, when first motor 23 closed, baffle 24 seals the discharge gate. The vibrating mechanism 4 includes a screen 41 placed transversely and a driving mechanism for driving the screen 41 to vibrate, the driving mechanism includes a third motor 42 and a cam 43, the third motor 42 drives the cam 43 to rotate through a chain, the cam 43 abuts against the screen 41, and the screen 41 is placed below the hopper 21. The blowing mechanism 3 is positioned below the mesh screen 41, the blowing mechanism 3 comprises a cross-flow fan 31 and a second motor 32, and the second motor 32 is in driving connection with the rotating shaft of the cross-flow fan 31. The top of the axial flow fan is provided with an arc-shaped wind shield 33, and an arc-shaped wind guide cover 34 for guiding wind upwards is arranged below the axial flow fan. And a material receiving disc 5 is arranged on one side of the lower part of the mesh screen 41, which is far away from the fan. The first motor 23, the second motor 32 and the third motor 42 are all frequency conversion motors, are all connected with the frequency conversion controller 6 located beside the bracket 1, and are used for controlling different power gears of the three, and respectively adjusting the seed feeding amount, the rotating speed of the cross flow fan 31 and the rotating speed of the third motor 42, so that the parameters most suitable for material screening can be found through experiments.

In this embodiment, the vibrating mechanism 4 further includes a material homogenizing plate 44 located below the discharge port of the hopper 21, the material homogenizing plate 44 is located on the top of the mesh screen 41, and the material homogenizing plate 44 is bent in a wave shape. The mesh screen 41 includes an upper mesh body 411 and a lower mesh body 412 which are horizontally arranged in parallel, and the leveling plate 44 is located above the upper mesh body 411. The support 1 is equipped with draw-in groove 11 and slide rail 12, and the mesh screen 41 detachably joint is in draw-in groove 11, and the both sides bearing of mesh screen 41 is on slide rail 12 to make mesh screen 41 can extract.

When the seed sorting machine is used, seeds to be sorted (such as alfalfa seeds) are added into the hopper 21, then the second motor 32 of the blowing mechanism 3 and the third motor 42 of the vibrating mechanism 4 are started, the first motor 23 is started again, the first motor 23 drives the rotating rod 22 to rotate, so that the baffle plate 24 on the rotating rod 22 does not block a discharge hole of the hopper 21 any more, the seeds fall onto the material equalizing plate 44 and are uniformly vibrated to the mesh screen 41 for screening, under the action of the blowing mechanism 3, the seeds are blown to the material receiving plate 5, the seed falling amount is controlled by adjusting the rotating speed of the first motor 23, the wind power parameters of the blowing mechanism 3 and the vibration amplitude of the mesh screen 41 are controlled until the seeds can fall into the material receiving plate 5, so that the parameters suitable for screening the seeds are obtained, the reference of the actual sorting machine during debugging is provided, the debugging time at the actual machine is shortened, the debugging efficiency is improved, and the time and the labor are saved.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. A seed cleaning test bench is characterized in that: the seed feeding mechanism comprises a hopper, a rotating rod and a first motor for driving the rotating rod to rotate, a strip-shaped discharge port is formed in the bottom of the hopper, the rotating rod is arranged at the discharge port, a plurality of baffles are arranged on the periphery of the rotating rod, and the baffles are arranged along the length direction of the rotating rod; the vibrating mechanism comprises a mesh screen which is transversely arranged and a driving mechanism for driving the mesh screen to vibrate, and the mesh screen is arranged below the hopper; the blowing mechanism is positioned below the mesh screen; and a material receiving disc is arranged on one side of the lower part of the mesh screen, which is far away from the fan.

2. A seed cleaning test stand according to claim 1, characterized in that: the vibrating mechanism further comprises a material homogenizing plate located below the discharge port of the hopper, the material homogenizing plate is located at the top of the mesh screen, and the material homogenizing plate is in a wavy bending shape.

3. A seed cleaning test stand according to claim 2, characterized in that: the mesh screen comprises an upper mesh body and a lower mesh body which are horizontally arranged in parallel, and the material homogenizing plate is positioned above the upper mesh body.

4. A seed cleaning test stand according to claim 1, characterized in that: the blowing mechanism comprises a cross-flow fan and a second motor, and the second motor is in driving connection with a rotating shaft of the cross-flow fan.

5. A seed cleaning test bench according to claim 4, characterized in that: the top of the axial flow fan is provided with an arc-shaped wind shield, and an arc-shaped wind guide cover used for guiding wind upwards is arranged below the axial flow fan.

6. A seed cleaning test bench according to claim 4, characterized in that: the driving mechanism comprises a third motor and a cam, the third motor drives the cam to rotate through a chain, and the cam props against the mesh screen.

7. A seed cleaning test stand according to claim 6, characterized in that: the first motor, the second motor and the third motor are all variable frequency motors.

8. A seed cleaning test stand according to claim 1, characterized in that: the seed cleaning test bed also comprises a support, and the seed feeding mechanism, the blowing mechanism and the vibrating mechanism are all fixed on the support.

9. A seed cleaning test stand according to claim 8, characterized in that: the support is equipped with the draw-in groove, and mesh screen detachably joint is in the draw-in groove.

10. A seed cleaning test stand according to claim 8, characterized in that: the support is equipped with the slide rail, and the both sides bearing of mesh screen is on the slide rail.

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