CN212442062U - Grain is dried and is used sieving mechanism - Google Patents

Abstract

The utility model discloses a grain is dried and is used sieving mechanism, the power distribution box comprises a box body, one side activity hinge joint on box top has the feed chute lid, feed chute lid bottom is provided with the feed chute, it has the inserted block to peg graft all the activity on the both sides inner wall of feed chute, the first filter screen of fixedly connected with between two inserted blocks, be provided with conveyer under the feed chute, conveyer one end is provided with the deflector, the both sides fixed connection of deflector is on the inner wall of box, box inner chamber middle part just is located the conveyer top and is provided with adsorption equipment, box inner chamber just is located conveyer one end position department and is provided with agitating unit. The utility model discloses a filter screen and filter bag among adsorption equipment's adsorption effect and the agitating unit reach to refine categorised, the purpose of layering screening, and adsorption equipment makes some be mingled with in grain the same with the grain size, and the quality is the same, and the material that contains the metal particle can separate to filter some tiny impurity with agitating unit, separation effect is showing.

Description

Grain is dried and is used sieving mechanism

Technical Field

The utility model relates to a grain screening installation field, in particular to screening device is used in grain stoving.

Background

China is a big agricultural country, with the continuous development of productivity, the grain yield in China is greatly improved, the mechanization degree of agriculture in China is further improved, and a plurality of existing machines in the aspects of grain harvesting, transporting and processing are mature day by day and are oriented to industrialization and integration.

But on the sieving mechanism of grain most of them have not been refined and classified, stratified sieving, so that the sieving effect is not obvious, and some larger impurities can block the sieving mechanism, so that the device stops working, some metal particles are difficult to sieve, and the grain quality is greatly influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grain is dried and is used sieving mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a grain is dried and is used sieving mechanism, includes the box, one side activity hinge joint on box top has the feed chute lid, feed chute lid bottom is provided with the feed chute, equal activity grafting has the inserted block on the both sides inner wall of feed chute, two the first filter screen of fixedly connected with between the inserted block, be provided with conveyer under the feed chute, just be located the conveyer top and be provided with adsorption equipment in the middle part of the internal chamber of box, the internal chamber of box just is located conveyer one end position department and is provided with agitating unit.

Preferably, conveyer includes conveyer belt, driven cylinder, driven shaft, first motor, first output shaft, belt, driving shaft, initiative cylinder and four axle sleeves, the both ends of driving shaft and driven shaft are connected through the both sides inner wall rotation of four axle sleeves and box respectively, driving shaft and driven shaft are fixed respectively and are alternate on the inner wall of initiative cylinder and driven cylinder, just initiative cylinder and driven cylinder pass through the conveyer belt transmission and connect, driving shaft one end is passed through the belt and is connected with first output shaft rotation, first output shaft rotates and connects in first motor one side, be provided with motor switch on the outer wall of box one side, first motor passes through motor switch and external power source electric connection.

Preferably, the adsorption device comprises a box cover, a fixed block and an annular magnet, the box cover is movably hinged to the top end of the box body, the fixed block is fixedly connected to the bottom end of the box cover, and the annular magnet is fixedly sleeved at the bottom of the fixed block.

Preferably, the stirring device comprises a second motor, a second output shaft, a speed reducer, a discharge hopper, a second filter screen, a cylinder, blades, a rotating shaft protective shell and a rotating shaft, the second motor and the speed reducer are both positioned at the bottom of the inner cavity of the box body, the second motor is fixedly connected to one side of the speed reducer through a second output shaft, the top of the speed reducer is rotatably connected to the bottom end of the cylinder through a rotating shaft, one end of the rotating shaft extends into the cylinder, the rotating shaft protective shell is movably sleeved on the outer wall of the rotating shaft, the blades penetrate through the rotating shaft protective shell and are fixedly connected with the outer wall of the rotating shaft, the top end of the discharging hopper is fixedly connected with one side of the bottom end of the cylinder, the bottom of ejection of compact funnel and one side fixed connection on reduction gear top, the pivot runs through the drum and is connected with the reduction gear transmission, the second motor passes through motor switch and outside electric connection.

Preferably, the bottom end of the cylinder is fixedly connected with a second filter screen, the bottom of the inner wall of the cylinder is fixedly connected with a third filter screen, and the outside of the third filter screen is movably clamped with a filter bag.

Preferably, four corners of the bottom of the box body are fixedly connected with universal wheels.

Preferably, one end of the conveying device is provided with a guide plate, and two sides of the guide plate are fixedly connected to the inner wall of the box body 1.

The utility model discloses a technological effect and advantage:

1. the utility model adopts the adsorption effect of the adsorption device and the filter screen and the filter bag in the stirring device to achieve the purposes of refining, classifying and layered screening;

2. the first filter screen is arranged on the inner wall of the feed chute, so that some larger impurities in the grains can be filtered, and the larger impurities are prevented from blocking the screening device;

3. the utility model discloses an adsorption equipment's design for some mix with in grain with grain size is about the same, the metallic particle material that the quality is little can separate, reach the purpose of separation metal and harmful substance.

4. The utility model discloses a agitating unit comes some tiny impurities of filtration, and the centrifugal force that brings through the blade stirring is gone out impurity separation, and the separation effect is showing.

Drawings

Fig. 1 is the overall internal structure diagram of the present invention.

Fig. 2 is a schematic view of the overall structure of the utility model on the right.

Fig. 3 is the structure diagram of the filter screen of the present invention.

Fig. 4 is a schematic view of the top view structure of the roller of the present invention.

In the figure: 1. a box body; 2. a feed chute; 3. inserting a block; 4. a first filter screen; 5. a feed chute cover; 6. a box cover; 7. a fixed block; 8. a ring magnet; 9. a conveyor belt; 10. a driven drum; 11. a driven shaft; 12. a first motor; 13. a first output shaft; 14. a belt; 15. a second motor; 16. a second output shaft; 17. a universal wheel; 18. a speed reducer; 19. a discharging hopper; 20. a second filter screen; 21. a cylinder; 22. a third filter screen; 23. a filter bag; 24. a blade; 25. a rotating shaft protective shell; 26. a rotating shaft; 27. a guide plate; 28. a drive shaft; 29. a driving roller; 30. and a shaft sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a screening device for grain is dried as shown in fig. 1-2, including box 1, the equal fixedly connected with universal wheel 17 in four edges of box 1 bottom, the device conveniently removes, one side activity hinge on 1 top of box has feed chute cover 5, in order to prevent that the screening device from falling into the dust when idle, feed chute cover 5 bottom is provided with feed chute 2, equal activity is pegged graft on the both sides inner wall of feed chute 2 has inserted block 3, the first filter screen 4 of fixedly connected with between two inserted blocks 3, the mesh shape of first filter screen 4 is as shown in fig. 3, and the mesh eye is greater than grain granule size, this first filter screen is arranged in filtering the great impurity in some grain.

A transmission device is arranged right below the feed chute 2, the transmission device comprises a transmission belt 9, a driven roller 10, a driven shaft 11, a first motor 12, a first output shaft 13, a belt 14, a driving shaft 28, a driving roller 29 and four shaft sleeves 30, two ends of the driving shaft 28 and the driven shaft 11 are respectively rotatably connected with the inner walls of two sides of the box body 1 through the four shaft sleeves 30, the shaft sleeves 30 mainly play a supporting role, the driving shaft 28 and the driven shaft 11 are respectively and fixedly inserted on the inner walls of the driving roller 29 and the driven roller 10, the driving roller 29 and the driven roller 10 are in transmission connection through the transmission belt 9, the driving roller 29 drives the driven roller 10 to rotate clockwise, one end of the driving shaft 28 is rotatably connected with the first output shaft 13 through the belt 14, the first output shaft 13 is rotatably connected with one side of the first motor 12, one end of the transmission device is provided with a guide plate 27, the guide plate 27 is used for guiding the grains on the conveying device to the cylinder 21 without leakage, the outer wall of one side of the box body 1 is provided with a motor switch, the first motor 12 is electrically connected with an external power supply through the motor switch, and the first motor 12 rotates to provide a main power source for the conveying device.

The middle part of the inner cavity of the box body 1 and the upper part of the conveying device are provided with an adsorption device, the adsorption device comprises a box cover 6, a fixed block 7 and an annular magnet 8, the box cover 6 is movably hinged to the top end of the box body 1, the fixed block 7 is fixedly connected to the bottom end of the box cover 6, and the annular magnet 8 is fixedly sleeved at the bottom of the fixed block 7 to adsorb impurities in grains on the conveying device.

The stirring device is arranged in the inner cavity of the box body 1 and positioned at one end of the conveying device, the stirring device comprises a second motor 15, a second output shaft 16, a speed reducer 18, a discharging hopper 19, a cylinder 21, blades 24, a rotating shaft protective shell 25 and a rotating shaft 26, the second motor 15 and the speed reducer 18 are both positioned at the bottom of the inner cavity of the box body 1, the second motor 15 is fixedly connected to one side of the speed reducer 18 through the second output shaft 16, the top of the speed reducer 18 is rotatably connected to the bottom end of the cylinder 21 through the rotating shaft 26, one end of the rotating shaft 26 extends into the cylinder 21, the bottom end of the cylinder 21 is fixedly connected with a second filter screen 20, a mesh hole is slightly smaller than the first filter screen 4, the last screening device is provided, a third filter screen 22 is fixedly connected to the bottom of the inner wall of the cylinder 21, the mesh hole is smaller than grain particles, a filter bag 23 is, the outer wall in pivot 26 is cup jointed in the activity of pivot protective housing 25, can reach protection pivot 26 and not contact with grain, the life-span of extension pivot, blade 24 runs through the outer wall fixed connection of pivot protective housing 25 with pivot 26, one side fixed connection of the top of ejection of compact funnel 19 and the bottom of drum 21, one side fixed connection on the bottom of ejection of compact funnel 19 and reduction gear 18 top, pivot 26 runs through drum 21 and is connected with reduction gear 18 transmission, second motor 15 passes through motor switch and outside electric connection.

This practical theory of operation: when grain screening is carried out, a power supply is turned on, the first motor 12 and the second motor 15 start to rotate, the feeding groove cover 5 is opened, grain is continuously put into the feeding groove, the grain rolls down along the wall of the feeding groove 2 and passes through the first filter screen 4 to screen large impurities in the grain, the filtered grain reaches the conveying device and reaches the guide plate 27 along with the conveying belt 9, the grain is conveyed into the cylinder 21 through the guide plate 27 to be stirred, the stirred grain is attached to the inner wall of the cylinder 21 and has a certain centrifugal acceleration, part of small impurities are filtered out of the cylinder 21 by the second filter screen 20 at the bottom of the inner wall of the cylinder 21, the filtered small impurities are collected through the filter bag 23, the stirred grain falls into the bottom of the cylinder 21 under the action of gravity, is filtered again through the third filter screen 22 and is discharged out of the box body 1 after reaching the discharging hopper 19.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (7)

1. The utility model provides a grain is dried and is used sieving mechanism, includes box (1), its characterized in that: one side activity hinge joint on box (1) top has feed chute cover (5), feed chute cover (5) bottom is provided with feed chute (2), equal activity is pegged graft on the both sides inner wall of feed chute (2) has inserted block (3), two fixedly connected with first filter screen (4) between inserted block (3), be provided with conveyer under feed chute (2), box (1) inner chamber middle part just is located the conveyer top and is provided with adsorption equipment, box (1) inner chamber just is located conveyer one end position department and is provided with agitating unit.

2. The grain drying screening device according to claim 1, wherein: the conveying device comprises a conveying belt (9), a driven roller (10), a driven shaft (11), a first motor (12), a first output shaft (13), a belt (14), a driving shaft (28), a driving roller (29) and four shaft sleeves (30), wherein two ends of the driving shaft (28) and two ends of the driven shaft (11) are respectively rotatably connected with the inner walls of two sides of the box body (1) through the four shaft sleeves (30), the driving shaft (28) and the driven shaft (11) are respectively fixedly inserted on the inner walls of the driving roller (29) and the driven roller (10), the driving roller (29) and the driven roller (10) are in transmission connection through the conveying belt (9), one end of the driving shaft (28) is rotatably connected with the first output shaft (13) through the belt (14), the first output shaft (13) is rotatably connected to one side of the first motor (12), a motor switch is arranged on the outer wall of one side of the box body (1), the first motor (12) is electrically connected with an external power supply through a motor switch.

3. The grain drying screening device according to claim 1, wherein: the adsorption device comprises a box cover (6), a fixing block (7) and an annular magnet (8), wherein the box cover (6) is movably hinged to the top end of the box body (1), the fixing block (7) is fixedly connected to the bottom end of the box cover (6), and the annular magnet (8) is fixedly sleeved at the bottom of the fixing block (7).

4. The grain drying screening device according to claim 1, wherein: the stirring device comprises a second motor (15), a second output shaft (16), a speed reducer (18), a discharge funnel (19), a cylinder (21), blades (24), a rotating shaft protective shell (25) and a rotating shaft (26), wherein the second motor (15) and the speed reducer (18) are both positioned at the bottom of an inner cavity of the box body (1), the second motor (15) is fixedly connected to one side of the speed reducer (18) through the second output shaft (16), the top of the speed reducer (18) is rotatably connected to the bottom end of the cylinder (21) through the rotating shaft (26), one end of the rotating shaft (26) extends into the cylinder (21), the rotating shaft protective shell (25) is movably sleeved on the outer wall of the rotating shaft (26), the blades (24) penetrate through the rotating shaft protective shell (25) and are fixedly connected with the outer wall of the rotating shaft (26), the top end of the discharge funnel (19) is fixedly connected with one side of the bottom end of the cylinder (, the bottom of ejection of compact funnel (19) and one side fixed connection on reduction gear (18) top, pivot (26) run through drum (21) and are connected with reduction gear (18) transmission, second motor (15) pass through motor switch and outside electric connection.

5. The grain drying screening device according to claim 4, wherein: the filter screen is characterized in that a second filter screen (20) is fixedly connected to the bottom end of the cylinder (21), a third filter screen (22) is fixedly connected to the bottom of the inner wall of the cylinder (21), and a filter bag (23) is movably clamped outside the third filter screen (22).

6. The grain drying screening device according to claim 1, wherein: four corners of the bottom of the box body (1) are fixedly connected with universal wheels (17).

7. The grain drying screening device according to claim 1, wherein: one end of the conveying device is provided with a guide plate (27), and two sides of the guide plate (27) are fixedly connected to the inner wall of the box body (1).

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