CN112756259A

CN112756259A - Agricultural wheat grain screening device

Info

Publication number: CN112756259A
Application number: CN202110014214.4A
Authority: CN
Inventors: 黄秀玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2021-05-07

Abstract

The invention relates to the technical field of agricultural screening devices, and discloses an agricultural wheat grain screening device which comprises a screening box and a feeding barrel, wherein a plurality of groups of uniformly distributed wheels are fixedly arranged on the bottom surface of the screening box, a transverse U-shaped support is fixedly arranged in the middle of the left side surface of the screening box, a vertical electric telescopic rod is fixedly arranged in the middle of the upper surface of the left side of the support, the upper end of the electric telescopic rod is hinged with the feeding barrel, the right side of the lower surface of the feeding barrel is hinged with a first connecting rod, the lower end of the first connecting rod is hinged to the upper part of the left side surface of the screening box, and two groups of first limiting frames which are symmetrically distributed front and back. The invention has the beneficial effects that: need not the manpower with wheat lifting height, reduced the manpower consumption, avoided the first sieve of straw jam, realized the autosegregation of the different impurity of different granule size, and can improve screening efficiency by long-time operation.

Description

Agricultural wheat grain screening device

Technical Field

The invention relates to the technical field of agricultural screening devices, in particular to an agricultural wheat grain screening device.

Background

The agricultural is the growth and development law that utilizes animals and plants, obtains the industry of product through artificial cultivation, and agricultural product need carry out certain processing to the product after reaping the completion, for example people plant the wheat and reap the sunning back and need sieve the wheat, and current people all are handheld sieve to sieve the bagging-off to the wheat grain after the drying, and not only intensity of labour is big, and screening efficiency is low, can lead to the arm ache in addition, is unfavorable for people's healthy.

In order to solve the problems, Chinese patent CN 108513756A discloses a wheat grain screening device for agriculture, which comprises a base, a cylinder body, a first L-shaped supporting leg, a second L-shaped supporting leg and other components, wherein the cylinder body is positioned above the base, the lower part of the left side wall of the cylinder body is connected with the first L-shaped supporting leg, the lower part of the right side wall of the cylinder body is connected with the second L-shaped supporting leg, the lower end of the first L-shaped supporting leg and the lower end of the second L-shaped supporting leg are both connected with the top of the base, a filter screen is positioned in the cylinder body, the filter screen and the cylinder body are in sliding fit, a semicircular groove is arranged on the outer side wall of the filter screen, but when in use, the wheat needs to be lifted up by manpower to a higher position so that the wheat enters the cylinder body, the manpower consumption is increased, impurities after screening are left on the filter screen and need to be cleaned, the device cannot work, the impurities with smaller particles still remain in the wheat, which is not beneficial to the screening of the wheat.

Disclosure of Invention

The invention aims to provide an agricultural wheat grain screening device to solve the problems in the background technology.

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

an agricultural wheat grain screening device comprises a screening box and a feeding barrel, wherein a plurality of groups of wheels which are uniformly distributed are fixedly arranged on the bottom surface of the screening box, a transverse U-shaped bracket is fixedly arranged in the middle of the left side surface of the screening box, a vertical electric telescopic rod is fixedly arranged in the middle of the upper surface of the left side of the bracket, the upper end of the electric telescopic rod is hinged with the feeding barrel, a first connecting rod is hinged on the right side of the lower surface of the feeding barrel, the lower end of the first connecting rod is hinged to the upper part of the left side surface of the screening box, two groups of first limiting frames which are symmetrically distributed front and back are fixedly arranged on the upper part of the right side wall in the screening box, two groups of first supporting plates which are symmetrically distributed front and back are fixedly arranged on the position of the left side wall in the screening box, a first screen plate which is high at the left side and low at the right side is slidably arranged together with the first supporting, the position of the right side wall in the screening box below the second limiting frame is fixedly provided with two groups of second supporting plates which are symmetrically and transversely arranged front and back, and the second limiting frame and the second supporting plates are jointly slidably provided with second screening plates which are high at the left and low at the right.

As a further scheme of the invention: the left end fixed mounting has the first motor that the output shaft stretches out right in the feeding section of thick bamboo, first motor output shaft right-hand member fixedly connected with and the hob of feeding section of thick bamboo coaxial line, and feeding section of thick bamboo upper surface left side intercommunication has the feeder hopper that upper portion is the loudspeaker form, and the blanking mouth has been seted up on feeding section of thick bamboo lower surface right side.

As a further scheme of the invention: the screening box upper end fixed mounting has the guide fill, is provided with the inclined plane structure of two sets of relative slopes in the guide fill, and the guide fill right side communicates downwards in the screening box.

As a further scheme of the invention: the middle part of the upper bottom surface in the screening box is fixedly provided with a fan blowing air to the right side, the right side of the fan is fixedly provided with an L-shaped straw discharging pipe penetrating through the right side wall of the screening box, the bottom surface of the horizontal section of the straw discharging pipe is fixedly provided with a triangular plate, and the lower end of the straw discharging pipe is fixedly connected with a cloth bag.

As a further scheme of the invention: first backup pad with all seted up first spout on the second support, fixed mounting has the spring that left end fixed connection to first spout left surface right end fixed connection to on the first sieve on the first bracing piece, and fixed mounting has the spring that right end fixed connection to first spout right flank on the second sieve on the second bracing piece.

As a further scheme of the invention: screening incasement right side wall upper portion fixed mounting has the second motor that is located first spacing below, and second motor output shaft stretches out left and output shaft end fixed mounting has the cam, and cam left surface upper portion fixed mounting has horizontal second connecting rod, and second connecting rod sliding connection has T type link, and the link upper end articulates to first sieve lower surface right side, and second connecting rod left end fixed mounting has and is located the left limiting plate of link, and the link horizontal segment is seted up and is supplied the gliding second spout of second connecting rod.

As a further scheme of the invention: the position fixed mounting that the left side wall is located between first backup pad and the spacing frame of second in the screening case has the third motor that the output shaft stretches out right, is provided with the cam of looks isostructure, second connecting rod, limiting plate and link on the third motor output shaft, and the link lower extreme articulates in second sieve upper surface left side.

As a further scheme of the invention: the screening chamber is characterized in that a trapezoidal first discharging plate with a lower left side and a higher right side is fixedly mounted on a position, between the first supporting plate and the third motor, of the screening chamber inner left side wall, a first discharging hole located in the screening chamber left side wall is formed in the right side of the first discharging plate, a trapezoidal second discharging plate with a higher left side and a lower right side is fixedly mounted on a position, below the second supporting plate, of the screening chamber inner right side wall, and a second discharging hole located in the screening chamber right side wall is formed in the right side of the second discharging plate.

As a still further scheme of the invention: the screening chamber is internally and fixedly provided with two groups of first guide plates and second guide plates which are distributed vertically and are low at the left and high at the right, and the lower part of the left side wall of the screening chamber is provided with a third discharge hole positioned at the left end of the second guide plate.

Compared with the prior art, the invention has the beneficial effects that: by arranging the feeding barrel, the fan and the straw discharging pipe, the electric telescopic rod can drive the feeding barrel to rotate so as to enable the feeding hopper to move to a very low position, the wheat does not need to be lifted manually, the labor consumption is reduced, and the straws in the wheat are blown into the straw discharging pipe by the fan so as to avoid the blockage of the first sieve plate by the straws; through setting up first sieve and second sieve, drive first sieve and the vibration of second sieve respectively through second motor and third motor, make the wheat sieve when the removal of first sieve and second sieve, the great impurity of granule moves left along first sieve, the wheat passes on first sieve falls the second sieve, the less impurity of granule passes the second sieve, the autosegregation of different granule size impurity has been realized, and can improve screening efficiency by long-time operation.

Drawings

FIG. 1 is a front view of an agricultural grain screening apparatus.

FIG. 2 is a schematic structural diagram of an agricultural wheat screening device.

Fig. 3 is a schematic structural diagram of a first sieve plate in the agricultural wheat grain sieving device.

Fig. 4 is a schematic structural diagram of a first sieve plate in the agricultural wheat grain sieving device.

Fig. 5 is an enlarged view at a1 in fig. 1.

Fig. 6 is an enlarged view at a2 in fig. 1.

Wherein: 1. the automatic straw sorting machine comprises a screening box, 2 parts of a feeding barrel, 3 parts of a screw rod, 4 parts of a feeding hopper, 5 parts of a first motor, 6 parts of a support, 7 parts of an electric telescopic rod, 8 parts of a first connecting rod, 9 parts of a material guide hopper, 10 parts of a fan, 11 parts of a straw discharging pipe, 12 parts of a triangular plate, 13 parts of a cloth bag, 14 parts of a first limiting frame, 15 parts of a first sieve plate, 16 parts of a second limiting frame, 17 parts of a second sieve plate, 18 parts of a first supporting plate, 19 parts of a first sliding chute, 20 parts of a spring, 21 parts of a first discharging plate, 22 parts of a first discharging port, 23 parts of a second motor, 24 parts of a cam, 25 parts of a second connecting rod, 26 parts of a limiting plate, 27 parts of a connecting frame, 28 parts of a second supporting plate, 29 parts of a third motor, 30 parts of a first guide plate, 31 parts of a second guide plate, 32 parts of a second discharging plate, 33 parts of a second discharging port, 34 parts of.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example one

Referring to fig. 1-6, an agricultural wheat grain screening device comprises a screening box 1 and a feeding barrel 2, wherein a plurality of groups of uniformly distributed wheels 35 are fixedly installed on the bottom surface of the screening box 1, a transverse U-shaped bracket 6 is fixedly installed in the middle of the left side surface of the screening box 1, a vertical electric telescopic rod 7 is fixedly installed in the middle of the left upper surface of the bracket 6, a feeding barrel 2 is hinged to the upper end of the electric telescopic rod 7, a first motor 4 with an output shaft extending rightwards is fixedly installed at the left end in the feeding barrel 2, a screw rod 3 coaxial with the feeding barrel 2 is fixedly connected to the right end of the output shaft of the first motor 5, a feeding hopper 4 with a horn-shaped upper portion is communicated with the left side of the upper surface of the feeding barrel 2, a blanking port 37 is formed on the right side of the lower surface of the feeding barrel 2, a first connecting rod 8 is hinged to the right side of the lower end of the, two groups of opposite inclined plane structures are arranged in the material guide hopper 9, the right side of the material guide hopper 9 is downwards communicated into the screening box 1, a fan 10 which blows towards the right side is fixed in the middle of the upper bottom surface in the screening box 1, an L-shaped straw discharging pipe 11 which penetrates through the right side wall of the screening box 1 is fixedly arranged on the right side of the fan 10, a triangular plate 12 is fixedly arranged on the bottom surface of the horizontal section of the straw discharging pipe 11, a cloth bag 13 is fixedly connected with the lower end of the straw discharging pipe 11, two groups of first limiting frames 14 which are symmetrically distributed front and back are fixedly arranged on the upper part of the right side wall in the screening box 1, two groups of first supporting plates 18 which are symmetrically distributed front and back are transversely arranged are fixedly arranged on the position of the left side wall in the screening box 1 below the first limiting frames 14, a first screen plate 15 which is high and low right is jointly slidably arranged on the first limiting frames 14, and two groups, two groups of second supporting plates 28 which are symmetrically and transversely arranged in a front-back manner are fixedly arranged at the position, below the second limiting frame 16, of the right side wall in the screening box 1, the second limiting frame 16 and the second supporting plates 28 are jointly slidably provided with a second screen plate 17 which is high at the left and low at the right, first sliding grooves 19 are formed in the first supporting plates 18 and the second supporting plates 28, springs 20 are fixedly arranged on the first supporting rods 18, the left ends of the springs are fixedly connected to the left side face of the first sliding grooves 19, the right ends of the springs are fixedly connected to the right side face of the first sliding grooves 19, springs 20 are fixedly arranged on the second supporting rods 28, the left ends of the springs are fixedly connected to the right side face of the second screen plate 17, the springs are fixedly connected to the right side face of the first sliding grooves 19, a second motor 23 is fixedly arranged below the first limiting frame 14 on the upper portion of the right side wall in the screening box 1, an output, the second connecting rod 25 is connected with a T-shaped connecting frame 27 in a sliding mode, the upper end of the connecting frame 27 is hinged to the right side of the lower surface of the first sieve plate 15, a limiting plate 26 located on the left side of the connecting frame 27 is fixedly installed at the left end of the second connecting rod 25, and a second sliding groove 36 for the second connecting rod 25 to slide is formed in the horizontal section of the connecting frame 27.

Example two

On the basis of the first embodiment, a third motor 29 with an output shaft extending rightwards is fixedly installed on the position, between the first supporting plate 18 and the second limiting frame 16, of the left side wall in the screening box 1, a cam 24, a second connecting rod 25, a limiting plate 26 and a connecting frame 27 which are of the same structure are arranged on the output shaft of the third motor 29, the lower end of the connecting frame 27 is hinged to the left side of the upper surface of the second screen plate 17, a trapezoidal first discharging plate 21 with the upper surface lower left and higher right is fixedly installed on the position, between the first supporting plate 18 and the third motor 29, of the left side wall in the screening chamber 1, a trapezoidal first discharging plate 21 with the upper surface higher left and higher right is installed on the right side of the first discharging plate 21, a trapezoidal second discharging plate 32 with the upper surface higher left and lower right is fixedly installed on the position, below the second supporting plate 28, of the right side wall in the screening chamber 1, a second discharging hole 33 is installed on the right side wall of the screening, two sets of first guide plates 30 and second guide plates 31 which are distributed vertically and are low at the left and high at the right are fixedly arranged in the sieving chamber 1, and a third discharge hole 34 positioned at the left end of the second guide plate 31 is formed in the lower part of the left side wall of the sieving chamber 1.

The working principle of the invention is as follows: the feeding barrel 2 is driven by the electric telescopic rod 7 to rotate to adjust the position of the feeding hopper 4, the wheat is poured into the feeding barrel 2 and then is driven by the spiral rod 3 to move rightwards, the wheat falls into the guide hopper 9 from the blanking port 37 and enters the screening box 1, the fan 10 blows air to the right side to ensure that the straw is blown rightwards into the straw discharging rod 11 while the wheat falls, the wheat is prevented from being blown out by the triangular plate 12, the second motor 23 and the third motor 29 drive the first sieve plate 15 and the second sieve plate 17 to vibrate through the cam 24 and the connecting frame 27 respectively, the wheat falls on the first sieve plate 15, then passes through the first sieve plate 15 and falls on the second sieve plate 17 under the action of the first guide plate 30, impurities with larger particles move leftwards along the first sieve plate 15 and leave the screening box 1 from the first discharge hole 22, the wheat leaves the screening box 1 from the second discharge hole 33, and impurities with smaller particles pass through the second sieve plate 17 and leave the screening box 1 from the third discharge hole 34 under the action of the second guide plate 31.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An agricultural wheat grain screening device comprises a screening box (1) and a feeding barrel (2), and is characterized in that a plurality of groups of wheels (35) which are uniformly distributed are fixedly installed on the bottom surface of the screening box (1), a transverse U-shaped support (6) is fixedly installed in the middle of the left side surface of the screening box (1), a vertical electric telescopic rod (7) is fixedly installed in the middle of the left side upper surface of the support (6), the feeding barrel (2) is hinged to the upper end of the electric telescopic rod (7), a first connecting rod (8) is hinged to the right side of the lower surface of the feeding barrel (2), the lower end of the first connecting rod (8) is hinged to the upper portion of the left side surface of the screening box (1), two groups of first limiting frames (14) which are symmetrically distributed front and back are fixedly installed on the upper portion of the inner right side wall of the screening box (1), two groups of first supporting plates (18) which are symmetrically distributed front and back are transversely are fixedly installed on the position, first spacing (14) with first sieve (15) that the common slidable mounting of first backup pad (18) has the height in the left side height in the right side low, left lateral wall lower part fixed mounting has spacing (16) of second of two sets of front and back symmetry vertical distribution in screening case (1), and the position fixed mounting that the right lateral wall is located spacing (16) below of second in screening case (1) has horizontal second backup pad (28) of two sets of front and back symmetry, spacing (16) of second with common slidable mounting of second backup pad (28) has the second sieve (17) of height in the left side height in the right side low.

2. The agricultural wheat grain screening device according to claim 1, wherein a first motor (4) with an output shaft extending rightwards is fixedly mounted at the left end in the feeding barrel (2), a screw rod (3) coaxial with the feeding barrel (2) is fixedly connected at the right end of the output shaft of the first motor (5), the left side of the upper surface of the feeding barrel (2) is communicated with a feeding hopper (4) with a horn-shaped upper portion, and a blanking port (37) is formed in the right side of the lower surface of the feeding barrel (2).

3. The agricultural wheat grain screening device as claimed in claim 1, wherein a material guide hopper (9) is fixedly mounted at the upper end of the screening box (1), two sets of opposite inclined plane structures are arranged in the material guide hopper (9), and the right side of the material guide hopper (9) is communicated downwards into the screening box (1).

4. The agricultural wheat grain screening device according to claim 1 or 3, wherein a fan (10) for blowing air to the right side is fixedly arranged in the middle of the upper bottom surface in the screening box (1), an L-shaped straw discharging pipe (11) penetrating through the right side wall of the screening box (1) is fixedly arranged on the right side of the fan (10), a triangular plate (12) is fixedly arranged on the bottom surface of the horizontal section of the straw discharging pipe (11), and a cloth bag (13) is fixedly connected to the lower end of the straw discharging pipe (11).

5. The agricultural wheat grain screening device of claim 1, wherein the first supporting plate (18) and the second supporting plate (28) are both provided with a first chute (19), the first supporting rod (18) is fixedly provided with a spring (20) of which the left end is fixedly connected to the left side of the first chute (19) and the right end is fixedly connected to the first screen plate (15), and the second supporting rod (28) is fixedly provided with a spring (20) of which the left end is fixedly connected to the right side of the second screen plate (17) and the right end is fixedly connected to the right side of the first chute (19).

6. The agricultural wheat grain screening device of claim 1, wherein a second motor (23) located below a first limiting frame (14) is fixedly mounted on the upper portion of the inner right side wall of the screening box (1), an output shaft of the second motor (23) extends leftwards, a cam (24) is fixedly mounted at the tail end of the output shaft, a transverse second connecting rod (25) is fixedly mounted on the upper portion of the left side face of the cam (24), the second connecting rod (25) is slidably connected with a T-shaped connecting frame (27), the upper end of the connecting frame (27) is hinged to the right side of the lower surface of the first sieve plate (15), a limiting plate (26) located on the left side of the connecting frame (27) is fixedly mounted at the left end of the second connecting rod (25), and a second sliding chute (36) for the second connecting rod (25) to slide is formed in the horizontal section of the connecting frame.

7. The agricultural wheat grain screening device of claim 1, wherein a third motor (29) with an output shaft extending rightward is fixedly installed on the left side wall of the screening box (1) between the first supporting plate (18) and the second limiting frame (16), a cam (24), a second connecting rod (25), a limiting plate (26) and a connecting frame (27) which are of the same structure are arranged on the output shaft of the third motor (29), and the lower end of the connecting frame (27) is hinged to the left side of the upper surface of the second screening plate (17).

8. The agricultural wheat grain screening device according to claim (1), wherein a trapezoidal first discharging plate (21) with a lower left side and a higher right side of an upper surface is fixedly installed on a position, between the first supporting plate (18) and the third motor (29), of the left side wall in the screening chamber (1), a first discharging hole (22) in the left side wall of the screening chamber (1) is formed in the right side of the first discharging plate (21), a trapezoidal second discharging plate (32) with a higher left side and a lower right side of an upper surface is fixedly installed on a position, below the second supporting plate (28), of the right side wall in the screening chamber (1), and a second discharging hole (33) in the right side wall of the screening chamber (1) is formed in the right side of the second discharging plate (32).

9. The agricultural wheat grain screening device as claimed in claim 1, wherein two sets of a first guide plate (30) and a second guide plate (31) which are distributed up and down and are low at the left and high at the right are fixedly installed in the screening chamber (1), and a third discharge hole (34) located at the left end of the second guide plate (31) is formed in the lower portion of the left side wall of the screening chamber (1).