CN211099990U

CN211099990U - Grain screening equipment

Info

Publication number: CN211099990U
Application number: CN201921718120.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Yichun City Yuanzhou District Zhongzhou Rice Industry Co ltd
Current assignee: Yichun City Yuanzhou District Zhongzhou Rice Industry Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-07-28
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a cereal screening installation, including the bottom plate, the first riser second riser of bottom plate upside fixed connection rotates between first riser and the second riser and connects the screening jar, is equipped with feed inlet, first discharging pipe, second discharging pipe, third discharge gate on the screening jar, screens jar upside fixed connection motor, is equipped with the vertical scroll in the screening jar, is equipped with first screen cloth and second screen cloth on the vertical scroll, the output shaft fixed connection vertical scroll of motor, and second riser outside fixed connection cylinder promotes the screening jar rotatory. The utility model has the advantages that: the utility model is internally provided with the first screen and the second screen with two different apertures, and can screen the grain for three times; the screening tank is driven by the cylinder to swing and the screening tanks and the plurality of discharge ports are designed, so that the screened grains are automatically discharged; the first screen cloth of slope design and second screen cloth can make cereal evenly distributed at the screen cloth surface under centrifugal force and action of gravity for screening efficiency.

Description

Grain screening equipment

Technical Field

The utility model relates to a cereal screening installation technical field especially relates to a cereal screening installation.

Background

Along with the popularization of the automatic production of agriculture in the development of society, the agricultural production is gradually carried out in vast rural areas by adopting automatic machines, grain screening is a common step in agricultural production, people pay more and more attention to diet along with the improvement of living standard, the mode of screening and respectively packaging crops with different particle sizes is more and more popular among people at present, the mode of screening by adopting a vibrating sieve is mostly adopted in the past agricultural grain screening, for the multiple screening using different equipments when the particle types are required to be more, based on the above, the inventor finds that, in the past, the screening of grains needs to be carried out in a grading way, the operation is complex, the screening efficiency of a vibration type structure is low, and the like, so in view of the problems, research and improvement are carried out on the existing structure and deficiency, and the screening equipment for agricultural grains is provided so as to achieve the aim of achieving more practical value.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a grain screening device.

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

a grain screening device comprises a horizontally arranged bottom plate, wherein one end of the upper side of the bottom plate is vertically and fixedly connected with a first vertical plate, the other end of the upper side of the bottom plate is vertically and fixedly connected with a second vertical plate, a first rotating hole is formed in the upper end of the first vertical plate, a second rotating hole is formed in the upper end of the second vertical plate, the first rotating hole and the second rotating hole are coaxially arranged, the first rotating hole is rotatably connected with a first rotating shaft, the second rotating hole is rotatably connected with a second rotating shaft, a screening tank is fixedly connected between the first rotating shaft and the second rotating shaft together, a through round hole is formed in the center of the upper side of the screening tank, a motor is fixedly connected to the center of the upper side of the screening tank, an output shaft of the motor penetrates through the round hole and extends into the screening tank, a vertical shaft is fixedly connected to the lower end of the output shaft of the motor, and a group of first supports and a group of second, the upper side of the first support is fixedly connected with a first screen mesh, the side wall of the screening tank above the first screen mesh is provided with a first discharge pipe, the upper side of the second support is fixedly connected with a second screen mesh, the side wall of the screening tank above the second screen mesh is provided with a second discharge pipe, the aperture of the first screen mesh is larger than that of the second screen mesh, the upper side of the screening tank is provided with a feed inlet, and the bottom of the screening tank is symmetrically provided with two conical third discharge outlets;

the second axis of rotation passes and stretches out the second riser outside from the second rotation is downthehole, the one end of the one end fixed connection slide of screening jar is kept away from to the second axis of rotation, be equipped with the spout on the slide, sliding connection slider in the spout, one side fixed connection loop bar bottom the spout is kept away from to the slider, the loop bar outside is rotated and is connected the lantern ring, the horizontal fixed connection mounting panel in second riser outside, mounting panel center department is equipped with the through-hole, mounting panel downside fixed connection cylinder, the piston rod of cylinder passes and stretches out the mounting panel top from the through-hole, the piston rod upper end and the lantern ring fixed connection of cylinder.

Preferably, the height of one end, close to the screening tank body, of each of the first support and the second support is higher than that of one end, close to the vertical shaft, of each of the first support and the second support.

Preferably, a material receiving box is arranged at the center of the upper side of the bottom plate.

Preferably, the runner is dovetail-shaped.

Preferably, one end of the sliding plate far away from the second rotating shaft is fixedly connected with the baffle.

Preferably, the center of the bottom of the screening tank is fixedly connected with a boss, a sliding hole is formed in the center of the upper side of the boss, and the sliding hole is rotatably connected with the lower end of the vertical shaft.

Preferably, a group of pull ropes is fixedly connected to the bottoms of the first support and the second support at intervals respectively, and a rubber ball is fixedly connected to the lower end of each pull rope.

Preferably, two first diaphragms of screening jar outside fixed connection, two rotate between the first diaphragm and connect first material receiving box, first material receiving box is located the export below of first discharging pipe.

Preferably, the middle part of first material receiving box bottom fixed connection balancing weight, the balancing weight is the toper.

The utility model has the advantages that: the grain screening equipment provided by the utility model is internally provided with the first screen and the second screen with two different apertures, and can screen the grain for three times; the screening tank is driven by the cylinder to swing and the screening tanks and the plurality of discharge ports are designed, so that the screened grains are automatically discharged; the first screen cloth of slope design and second screen cloth can make cereal evenly distributed at the screen cloth surface under centrifugal force and action of gravity for screening efficiency.

Drawings

Fig. 1 is a schematic diagram of a basic mechanism of a grain screening apparatus provided by the present invention;

FIG. 2 is a partial enlarged view of A of FIG. 1;

fig. 3 is a cross-sectional view of a grain screening apparatus provided by the present invention;

FIG. 4 is a cross-sectional view B-B of FIG. 3;

fig. 5 is a right side view of a grain screening apparatus provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in figures 1-5, the utility model provides a grain screening device, which comprises a bottom plate 1 horizontally arranged, a first vertical plate 2 vertically welded at one end of the upper side of the bottom plate 1, a second vertical plate 3 vertically welded at the other end of the upper side of the bottom plate 1, the first vertical plate 2 and the second vertical plate 3 are parallel, a first rotating hole is arranged at the upper end of the first vertical plate 2, a second rotating hole is arranged at the upper end of the second vertical plate 3, the first rotating hole and the second rotating hole are coaxially arranged, bearings are respectively arranged in the first rotating hole and the second rotating hole, the bearing in the first rotating hole is rotatably connected with a first rotating shaft 4, the bearing in the second rotating hole is rotatably connected with a second rotating shaft 5, a screening tank 6 is welded and fixed between the first rotating shaft 4 and the second rotating shaft 5, a through round hole is arranged at the center of the upper side of the screening tank 6, a motor 7 is fixedly connected at the center of the upper side of the screening tank 6, an output shaft of the motor 7 passes through, the lower end of an output shaft of a motor 7 is fixedly connected with a vertical shaft 8 through a coupler, a group of first supports 9 and a group of second supports 10 are sequentially welded on the vertical shaft 8 from the upper end to the lower end, in the embodiment, the number of the first supports 9 and the number of the second supports 10 are four respectively, the four first supports 9 are uniformly distributed on the circumference of 90 degrees, the four second supports 10 are uniformly distributed on the circumference of 90 degrees, a first screen 11 is welded on the upper side of the first supports 9, a first discharge pipe 12 is arranged on the side wall of a screening tank 6 above the first screen 11, a second screen 13 is welded on the upper side of the second supports 10, a second discharge pipe 14 is arranged on the side wall of the screening tank 6 above the second screen 13, the height of one end of the first supports 9 and one end of the second supports 10 close to a tank 6 body is higher than that of one end close to the vertical shaft 8, in the embodiment, an included angle of 10, can offset the centrifugal force that cereal produced when following the rotation like this, avoid cereal to be got rid of the edge of first screen cloth 11 and second screen cloth 13 and cause the jam, the aperture of first screen cloth 11 is greater than the aperture of

second screen cloth

13, and 6 upsides of screening jar are equipped with

feed inlet

15, and 6 bottom symmetries of screening jar are equipped with two conical third discharge gates 16, have placed material receiving box 24 on the bottom plate 1 of two third discharge gates 16 below.

The second rotating shaft 5 penetrates through the second rotating hole and extends out of the second vertical plate 3, one end, far away from the screening tank 6, of the second rotating shaft 5 is welded to one end of a sliding plate 17, a dovetail-shaped sliding groove 18 is formed in the sliding plate 17, a sliding block 19 is connected in the sliding groove 18 in a sliding mode, one end, far away from the second rotating shaft 5, of the sliding plate 17 is welded to a baffle 25 to prevent the sliding block 19 from sliding out of the sliding groove 18, one side, far away from the bottom of the sliding groove 18, of the sliding block 19 is welded to a sleeve rod 20, the outer side of the sleeve rod 20 is connected with a sleeve ring 21 in a rotating mode, a mounting plate 22 is horizontally welded to the outer side of the second vertical plate 3, a through hole is formed in the center of the mounting plate 22, a cylinder 23 is fixedly connected to the lower side of the mounting plate 22, a piston rod of the cylinder 23 penetrates through the through, the sifting tank 6 is rotated counter-clockwise to pour out the sifted grain from the first discharge pipe 12 and the second discharge pipe 14.

The center of the bottom of the screening tank 6 is fixedly connected with a boss 26, the center of the upper side of the boss 26 is provided with a sliding hole, and the lower end of the vertical shaft 8 is rotationally connected in the sliding hole, so that the deflection generated when the vertical shaft 8 rotates can be reduced, and the stability of the equipment during operation is improved.

The bottoms of the first support 9 and the second support 10 are respectively fixedly connected with a group of pull ropes at intervals, and the lower end of each pull rope is fixedly connected with a rubber ball 111. When the screening tank 6 is obliquely swung to unload materials, the rubber balls 111 impact the first support 9 or the first screen mesh 11, so that the first screen mesh 11 vibrates, grains can be fully separated, and the unloading speed is increased.

Screening jar 6 outside two first diaphragms 112 of fixed connection, two rotate between the first diaphragm 112 and connect first workbin 113, first workbin 113 that connects is located the export below of first discharging pipe 12, first middle part fixed connection balancing weight 114 that connects 113 bottoms of workbin, balancing weight 114 is the toper. After the screening tank 6 is inclined, the counterweight block 114 is under the action of gravity, so that the first material receiving box 113 is always kept horizontal, and grains are prevented from being scattered.

When the grain screening machine is used, grains are poured in from the feeding hole 15, the starting motor 7 drives the first screen mesh 11 and the second screen mesh 13 to rotate, grains are screened, grains with the largest particles are left on the first screen mesh 11, the rest grains fall into the second screen mesh 13 from the first screen mesh 11, grains with smaller particles are left on the second screen mesh 13, grains with the smallest particles fall into the bottom of the screening tank 6 from the second screen mesh 13 and fall into the material receiving box 24 from the two third discharging holes 16, after screening is finished, the air cylinder 23 is started, the air cylinder 23 pushes the sliding block 19 to slide upwards in the sliding groove 18, the sliding plate 17 is driven to rotate anticlockwise by taking the second rotating shaft 5 as the center, the screening tank 6 and the second rotating shaft 5, the second rotating shaft 5 and the sliding plate 17 are fixedly welded, so that the screening tank 6 is driven to rotate anticlockwise, grain discharging pipes on the first screen mesh 11 and the second screen mesh 13 are respectively poured out from the first discharging pipe 12 and, then the cylinder 23 is started again to pull the slide block 19 downwards, the screening tank 6 is reset to the horizontal position, and the next screening is carried out.

Claims

1. The grain screening equipment comprises a horizontally arranged bottom plate (1), wherein one end of the upper side of the bottom plate (1) is vertically and fixedly connected with a first vertical plate (2), the other end of the upper side of the bottom plate (1) is vertically and fixedly connected with a second vertical plate (3), a first rotating hole is formed in the upper end of the first vertical plate (2), a second rotating hole is formed in the upper end of the second vertical plate (3), the first rotating hole and the second rotating hole are coaxially arranged, the first rotating hole is rotatably connected with a first rotating shaft (4), the second rotating hole is rotatably connected with a second rotating shaft (5), a screening tank (6) is fixedly connected between the first rotating shaft (4) and the second rotating shaft (5) together, a through round hole is formed in the center of the upper side of the screening tank (6), a motor (7) is fixedly connected to the center of the upper side of the screening tank (6), and an output shaft of the motor (7) penetrates through the round hole and extends into the screening tank (6), the lower end of an output shaft of the motor (7) is fixedly connected with a vertical shaft (8), the vertical shaft (8) is sequentially and fixedly connected with a group of first supports (9) and a group of second supports (10) from the upper end to the lower end, a first screen (11) is fixedly connected to the upper side of the first supports (9), a first discharge pipe (12) is arranged on the side wall of the screening tank (6) above the first screen (11), a second screen (13) is fixedly connected to the upper side of the second supports (10), a second discharge pipe (14) is arranged on the side wall of the screening tank (6) above the second screen (13), the aperture of the first screen (11) is larger than that of the second screen (13), a feed inlet (15) is arranged on the upper side of the screening tank (6), and two conical third discharge outlets (16) are symmetrically arranged at the bottom of the screening tank (6);

the second rotating shaft (5) penetrates through the second rotating hole and extends out of the second vertical plate (3), one end of the second rotating shaft (5) far away from the screening tank (6) is fixedly connected with one end of the sliding plate (17), a sliding groove (18) is arranged on the sliding plate (17), a sliding block (19) is connected in the sliding groove (18) in a sliding way, one side of the sliding block (19) far away from the bottom of the sliding groove (18) is fixedly connected with a loop bar (20), the outer side of the loop bar (20) is rotatably connected with a loop (21), the outer side of the second vertical plate (3) is horizontally and fixedly connected with a mounting plate (22), a through hole is arranged at the center of the mounting plate (22), the lower side of the mounting plate (22) is fixedly connected with a cylinder (23), the piston rod of the air cylinder (23) passes through the through hole and extends out of the mounting plate (22), the upper end of a piston rod of the cylinder (23) is fixedly connected with the lantern ring (21).

2. The grain screening apparatus according to claim 1, wherein: the height of one end of the first support (9) and one end of the second support (10) close to the screening tank (6) are higher than that of one end close to the vertical shaft (8).

3. The grain screening apparatus according to claim 1, wherein: a material receiving box (24) is arranged at the center of the upper side of the bottom plate (1).

4. The grain screening apparatus according to claim 1, wherein: the sliding groove (18) is dovetail-shaped.

5. The grain screening apparatus according to claim 1, wherein: one end of the sliding plate (17) far away from the second rotating shaft (5) is fixedly connected with a baffle plate (25).

6. The grain screening apparatus according to claim 1, wherein: the screening tank (6) is characterized in that a boss (26) is fixedly connected to the center of the bottom of the screening tank, a sliding hole is formed in the center of the upper side of the boss (26), and the lower end of a vertical shaft (8) is rotatably connected in the sliding hole.

7. The grain screening apparatus according to claim 1, wherein: the bottom parts of the first support (9) and the second support (10) are respectively fixedly connected with a group of pull ropes at intervals, and the lower ends of the pull ropes are fixedly connected with rubber balls (111).

8. The grain screening apparatus according to claim 1, wherein: screening jar (6) outside two first diaphragm (112) of fixed connection, two rotate between first diaphragm (112) and connect first material box (113), first material box (113) that connects is located the export below of first discharging pipe (12).

9. The grain screening apparatus of claim 8, wherein: the middle part of the bottom of the first material receiving box (113) is fixedly connected with a balancing weight (114), and the balancing weight (114) is conical.