CN217569638U

CN217569638U - Equipment for screening rice

Info

Publication number: CN217569638U
Application number: CN202221808811.0U
Authority: CN
Inventors: 张锦芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-14
Anticipated expiration: 2032-07-13

Abstract

The utility model relates to a screening installation especially relates to an equipment of rice screening. The technical problem to be solved is as follows: provides a high-efficiency rice screening device. The technical scheme is as follows: the utility model provides an equipment of rice screening, is including keeping off the material shell, first screening net, handle, trembling material mechanism and drive mechanism, keeps off the middle slidingtype first screening net that is equipped with in the material shell, and first screening net one side is equipped with the handle, keeps off one side and is equipped with in the material shell and trembles material mechanism, keeps off one side and is equipped with drive mechanism in the material shell. Has the advantages that: people repeatedly contact with the second screening net through the convex part of the cam to enable the second screening net to repeatedly move up and down so as to form shaking, and preliminary screening can be carried out on the rice; people drive the first screening net to move back and forth repeatedly through the repeated meshing of the first gear lacking gear and the second gear lacking gear with the rack, and then the rice can be screened in a sufficient shaking mode.

Description

Equipment for screening rice

Technical Field

The utility model relates to a screening installation especially relates to an equipment of rice screening.

Background

Rice is a cereal crop of the genus Oryza, and the representative species is rice. The rice is originally produced in China and India, the rice is planted by precedent people in Yangtze river basin of China seven thousand years ago, the rice is formed by rice seeds, namely rice husks, the rice husks are removed, the brown rice is called brown rice, rice can be obtained by grinding rice bran layers of the brown rice, the labor force of rural areas is increasingly in short supply, the rice planted in small scale can be harvested by manual harvesting by tools such as sickles and the like, the rice is screened by using a filter screen, the traditional screening machine is simple in function, the rice needs to be screened by manually controlling a machine by hands, the rice needs to be manually selected after screening is finished, the grass roots are more, and the manual screening mode is low in efficiency and cannot be fully screened.

Therefore, it is necessary to design an efficient rice screening apparatus.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects that the rice is screened by a hand-held rice manual control machine, the grass roots are more, the efficiency is lower, and the rice cannot be screened sufficiently, the technical problem to be solved is as follows: provides an efficient rice screening device.

The technical scheme is as follows: the utility model provides an equipment of rice screening, is including keeping off the material shell, first screening net, handle, trembling material mechanism and drive mechanism, keeps off the middle slidingtype first screening net that is equipped with in the material shell, and first screening net one side is equipped with the handle, keeps off one side and is equipped with in the material shell and trembles material mechanism, keeps off one side and is equipped with drive mechanism in the material shell.

As the improvement of the above scheme, the material shaking mechanism further comprises a motor, a first rotating shaft, a cam, a connecting block, a first limiting rod, a second screening net, a first return spring, a second rotating shaft, a bevel gear and a fan, wherein the motor is arranged on one side in the material blocking shell, the first rotating shaft is arranged on an output shaft of the motor, the cam is arranged on the first rotating shaft, four connecting blocks are uniformly arranged on one side in the material blocking shell, the first limiting rod is arranged on the connecting block, the second screening net is arranged between the first limiting rods in a sliding mode, the first return spring is connected between the second screening net and the connecting blocks, the first return spring is sleeved on the first limiting rod, the rotary type of one side in the material blocking shell is provided with the second rotating shaft, the fan is arranged on the second rotating shaft, the bevel gear is arranged between the middle of the second rotating shaft and the middle of the first rotating shaft, and the bevel gears are meshed with each other.

As an improvement of the above technical scheme, the transmission mechanism further comprises a third rotating shaft, a first belt pulley, a first flat belt, a fourth rotating shaft, a second belt pulley, a second flat belt, a first gear, a rack, a fifth rotating shaft, a first full gear, a second full gear and a second gear, a third rotating shaft is rotatably arranged on one side in the material blocking shell, the first belt pulley is arranged between the middle of the third rotating shaft and the first rotating shaft, the first flat belt is connected between the first belt pulleys, a fourth rotating shaft is symmetrically and rotatably arranged on one side in the material blocking shell, the second belt pulley is symmetrically and rotatably arranged on the fourth rotating shaft and the third rotating shaft, the second flat belt is connected between the second belt pulley on one side, a first gear is arranged on one side of the fourth rotating shaft on one side, the rack is symmetrically arranged on the first screening net, a fifth rotating shaft is rotatably arranged on one side in the material blocking shell, the fifth rotating shaft is arranged on one side of the fourth rotating shaft, the first full gear is arranged on one side of the fifth rotating shaft, and the second full gear is meshed with the second gear in a non-gear matched with the second gear.

As the improvement of above-mentioned scheme, still including unloading mechanism, unloading mechanism is including hopper down, the wedge, the fixture block, the striker plate, the stopper, second gag lever post and second return spring, striker shell one side is equipped with hopper down, striker shell one side symmetry is equipped with the stopper, all be equipped with the second gag lever post in the gag lever post, the equal slidingtype is equipped with the striker plate on the second gag lever post, all be connected with second return spring between striker plate and the stopper, the equal suit of second return spring is on the second gag lever post, striker shell one side slidingtype is equipped with the wedge, the striker plate all cooperates with the wedge, wedge one side rotary type is equipped with the fixture block, fixture block and striker shell cooperation.

As the improvement of above-mentioned scheme, still including collecting the mechanism, collect the mechanism including connecting axle, gyro wheel and collection frame, one side evenly is equipped with a plurality of connecting axles in keeping off the material shell, and the rotation type all evenly is equipped with a plurality of gyro wheels on the connecting axle, keeps off material shell one side slidingtype and is equipped with the collection frame, collects frame and gyro wheel cooperation.

The utility model has the advantages that: 1. people repeatedly contact with the second screening net through the convex part of the cam to enable the second screening net to repeatedly move up and down so as to form shaking, and preliminary screening can be carried out on the rice;

2. people drive the first screening net to move back and forth repeatedly through the first gear lack and the second gear lack which are meshed with the rack repeatedly, and then the rice can be fully shaken and screened.

Drawings

Fig. 1 is a schematic view of a first part of the three-dimensional structure of the present invention.

Fig. 2 is a schematic perspective view of a second part of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the material shaking mechanism of the present invention.

Fig. 4 is a schematic perspective view of a first part of the transmission mechanism of the present invention.

Fig. 5 is a schematic perspective view of a second part of the transmission mechanism of the present invention.

Fig. 6 is a schematic perspective view of a first part of the blanking mechanism of the present invention.

Fig. 7 is a schematic perspective view of a second part of the blanking mechanism of the present invention.

Fig. 8 is a schematic view of a three-dimensional structure of the collecting mechanism of the present invention.

Labeled in the figure as: 1-material blocking shell, 2-first screening net, 3-handle, 4-material shaking mechanism, 40-motor, 41-first rotating shaft, 42-cam, 43-connecting block, 44-first limiting rod, 45-second screening net, 46-first return spring, 47-second rotating shaft, 48-bevel gear, 49-fan, 5-transmission mechanism, 50-third rotating shaft, 51-first belt pulley, 52-first flat belt, 53-fourth rotating shaft, 54-second belt pulley, 55-second flat belt, 56-first missing gear, 57-rack, 58-fifth rotating shaft, 59-first full gear, 510-second full gear, 511-second missing gear, 6-blanking mechanism, 60-blanking hopper, 61-wedge block, 62-clamping block, 63-material blocking plate, 64-limiting block, 65-second limiting rod, 66-second return spring, 7-collecting mechanism, 70-connecting shaft, 71-roller, 71-collecting frame.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

Example 1

The utility model provides an equipment of rice screening, as shown in fig. 1-5, including keeping off material shell 1, first screening net 2, handle 3, tremble material mechanism 4 and drive mechanism 5, keep off the material shell 1 in the middle of the slidingtype first screening net 2 that is equipped with, first screening net 2 rear side is equipped with handle 3, keeps off the material shell 1 in the upside be equipped with tremble material mechanism 4, keeps off the material shell 1 in the upside be equipped with drive mechanism 5.

When people need to screen rice, people can place the rice on the material shaking mechanism 4, the material shaking mechanism 4 is started to work, the rice can be preliminarily screened by the material shaking mechanism 4, grass roots can be uniformly discharged out of the material blocking shell 1, the screened rice drops onto the first screening net 2, the material shaking mechanism 4 works to drive the transmission mechanism 5 to work, the transmission mechanism 5 works to drive the first screening net 2 to move back and forth, the first screening net 2 moves back and forth to form shaking, so that the rice can be screened more uniformly, when the rice is screened, people close the material shaking mechanism 4 to work, so that the transmission mechanism 5 does not work any more, people pull the handle 3 backwards to drive the first screening net 2 to move backwards to take out, the screened rice can be collected, the rice is collected, and the rice is collected completely and then the people return to the first screening net 2.

The shaking mechanism 4 further comprises a motor 40, a first rotating shaft 41, a cam 42, connecting blocks 43, a first limiting rod 44, a second screening net 45, first return springs 46, a second rotating shaft 47, bevel gears 48 and fans 49, the motor 40 is arranged on the rear side of the inner upper portion of the material blocking shell 1, the first rotating shaft 41 is arranged on an output shaft of the motor 40, the cam 42 is arranged on the first rotating shaft 41, the four connecting blocks 43 are evenly arranged on the inner upper side of the material blocking shell 1, the first limiting rod 44 is arranged on each connecting block 43, the second screening net 45 is arranged between the first limiting rods 44 in a sliding mode, the first return springs 46 are connected between the second screening net 45 and the connecting blocks 43, the first return springs 46 are all sleeved on the first limiting rods 44, the second rotating shaft 47 is arranged on the rear side of the inner upper portion of the material blocking shell 1 in a rotating mode, the fans 49 are arranged on the second rotating shaft 47, the middle of the second rotating shaft 47 and the middle of the first rotating shaft 41 are all provided with bevel gears 48, and the bevel gears 48 are meshed with the bevel gears 48.

When people need to screen rice, people place the rice on the second screening net 45, then the motor 40 is started to work, the output shaft of the motor 40 rotates to drive the first rotating shaft 41 to rotate, the cam 42 is driven to rotate, when the bulge of the cam 42 is in contact with the second screening net 45, the second screening net 45 is driven to move downwards, the first return spring 46 is compressed, when the bulge of the cam 42 is not in contact with the second screening net 45, the second screening net 45 moves upwards and resets under the action of the first return spring 46, the bulge of the cam 42 is in contact with the second screening net 45 repeatedly, the second screening net 45 can move up and down repeatedly under the action of the first return spring 46, shaking is formed, preliminary screening can be performed on the rice, the screened rice falls onto the first screening net 2, the first rotating shaft 41 rotates to drive the bevel gear 48 to rotate, the second rotating shaft 47 is driven to rotate, the second rotating shaft 47 rotates to drive the fan 49 to rotate, the fan 49 rotates to form natural wind, the screened rice can be discharged, and the rice can be all blown out of the rice shells, and the rice screening motor 40 can be stopped completely.

The transmission mechanism 5 further comprises a third rotating shaft 50, a first belt pulley 51, a first flat belt 52, a fourth rotating shaft 53, a second belt pulley 54, a second flat belt 55, a first lacking gear 56, a rack 57, a fifth rotating shaft 58, a first full gear 59, a second full gear 510 and a second lacking gear 511, the third rotating shaft 50 is rotatably arranged on the rear side of the inner upper portion of the material blocking shell 1, the first belt pulley 51 is arranged between the middle of the third rotating shaft 50 and the first rotating shaft 41, the first flat belt 52 is connected between the first belt pulleys 51, the fourth rotating shaft 53 is rotatably arranged on the inner upper portion of the material blocking shell 1 in a bilateral symmetry mode, the fourth rotating shaft 53 and the third rotating shaft 50 are respectively provided with the second belt pulley 54 in a bilateral symmetry mode, the second flat belt 55 is connected between the second belt pulleys 54 on the left side and the right side, the first lacking gear 56 is arranged on the right side of the fourth rotating shaft 53 on the left side, the first screening net 2 is symmetrically provided with the rack 57, the fifth rotating shaft 58 is arranged on the right side of the inner upper portion of the material blocking shell 1, the fifth rotating shaft 58 is arranged on the front side of the fourth rotating shaft 53, the fourth gear 53 is provided with the first lacking gear 59, the second full lacking gear 510, and the full gear 511 are respectively engaged with the second lacking gear 511, and the second rotating shaft 511.

The preliminarily screened rice falls onto the first screening net 2, the first rotating shaft 41 rotates to drive the first belt pulley 51 and the first flat belt 52 to rotate, and further drives the third rotating shaft 50 to rotate, the third rotating shaft 50 rotates to drive the second belt pulley 54 and the second flat belt 55 to rotate, and further drives the fourth rotating shaft 53 to rotate, the left fourth rotating shaft 53 rotates to drive the first vacant gear 56 to rotate, and further drives the left rack 57 and the first screening net 2 to move towards the front side, when the first vacant gear 56 is not meshed with the left rack 57, the fourth rotating shaft 53 rotates to drive the first full gear 59 to rotate, and further drives the second full gear 510 to rotate, and further drives the fifth rotating shaft 58 and the second vacant gear 511 to rotate, the second vacant gear 511 rotates to drive the right rack 57 to move towards the rear side, and further drives the first screening net 2 to move towards the rear side, the first vacant gear 56 is meshed with the second vacant gear 511 and the screening rack 57, and the first screening net 2 is driven to move back and forth repeatedly, so that the rice can be screened sufficiently.

Example 2

On the basis of embodiment 1, as shown in fig. 6-8, the blanking device further comprises a blanking mechanism 6, the blanking mechanism 6 comprises a blanking hopper 60, a wedge 61, a fixture block 62, a material blocking plate 63, a limiting block 64, a second limiting rod 65 and a second return spring 66, the blanking hopper 60 is arranged at the top of the material blocking shell 1, the limiting block 64 is arranged at the top of the material blocking shell 1 in a bilateral symmetry manner, the second limiting rod 65 is arranged in the limiting block 64, the material blocking plate 63 is arranged on the second limiting rod 65 in a sliding manner, the second return spring 66 is connected between the material blocking plate 63 and the limiting block 64, the second return spring 66 is sleeved on the second limiting rod 65, the wedge 61 is arranged at the back of the top of the material blocking shell 1 in a sliding manner, the material blocking plate 63 is matched with the wedge 61, the fixture block 62 is arranged at the back side of the wedge 61, and the fixture block 62 is matched with the material blocking shell 1.

When people need to screen rice, people can place the rice on the blanking mechanism 6, the clamping block 62 is rotated to enable the rice not to be matched with the material blocking shell 1, the second return spring 66 in the initial state is stretched, the material blocking plate 63 moves outwards under the action of the second return spring 66 to reset, the wedge block 61 is driven to move backwards, the material blocking plate 63 moves outwards to prevent the blanking hopper 60, the rice drops onto the second screening net 45, after the rice drops, people push the clamping block 62 to drive the wedge block 61 to move forwards by pushing the clamping block 62 forwards, the material blocking plate 63 is driven to move inwards, the second return spring 66 is stretched, the clamping block 62 moves forwards to be aligned with the bayonet on the material blocking shell 1, the clamping block 62 is rotated by people to be matched with the material blocking shell 1, and the material blocking plate 63 blocks the blanking hopper 60.

Still including collecting mechanism 7, collect mechanism 7 including connecting axle 70, gyro wheel 71 and collection frame 72, the bottom evenly is equipped with a plurality of connecting axles 70 in keeping off material shell 1, and the last rotation type of connecting axle 70 all evenly is equipped with a plurality of gyro wheels 71, keeps off material shell 1 rear portion downside slidingtype and is equipped with collection frame 72, collects frame 72 and gyro wheel 71 cooperation.

The cull that the screening finishes will drop to collecting in the frame 72, when people need clear up the cull, people move collection frame 72 to the rear side, and then drive gyro wheel 71 and rotate, and gyro wheel 71 rotates and makes the removal of collecting frame 72 more convenient, and people will collect frame 72 and take out alright clear up the cull, and the clearance finishes, people move collection frame 72 to the front side and drive gyro wheel 71 antiport, will collect frame 72 and put back can.

The technical principles of the embodiments of the present invention have been described above with reference to specific embodiments. The description is only intended to explain the principles of embodiments of the invention and should not be taken in any way as limiting the scope of embodiments of the invention. Based on the explanations herein, those skilled in the art should appreciate that other embodiments of the present invention are possible without inventive effort, and these embodiments are intended to fall within the scope of the embodiments of the present invention.

Claims

1. The utility model provides an equipment of rice screening, its characterized in that, including keeping off material shell (1), first screening net (2), handle (3), tremble material mechanism (4) and drive mechanism (5), the middle slidingtype is equipped with first screening net (2) in keeping off material shell (1), and first screening net (2) one side is equipped with handle (3), and one side is equipped with in keeping off material shell (1) and trembles material mechanism (4), and one side is equipped with drive mechanism (5) in keeping off material shell (1).

2. The rice screening apparatus according to claim 1, wherein the material shaking mechanism (4) further comprises a motor (40), a first rotating shaft (41), a cam (42), a connecting block (43), and a first limiting rod (44), second screening net (45), first return spring (46), second axis of rotation (47), bevel gear (48) and fan (49), one side is equipped with motor (40) in keeping off material shell (1), be equipped with first axis of rotation (41) on motor (40) output shaft, be equipped with cam (42) on first axis of rotation (41), one side evenly is equipped with four connecting block (43) in keeping off material shell (1), all be equipped with first gag lever post (44) on connecting block (43), slidingtype is equipped with second screening net (45) between first gag lever post (44), all be connected with first return spring (46) between second screening net (45) and connecting block (43), first return spring (46) all suit is on first gag lever post (44), one side rotary type is equipped with second axis of rotation (47) in keeping off material shell (1), be equipped with fan (49) on second axis of rotation (47), bevel gear (48) all are equipped with in the middle of second axis of rotation (47) and first axis of rotation (41), bevel gear (48) mesh mutually.

3. The rice screening device according to claim 2, wherein the transmission mechanism (5) further comprises a third rotating shaft (50), a first belt pulley (51), a first flat belt (52), a fourth rotating shaft (53), a second belt pulley (54), a second flat belt (55), a first gear (56) lacking, a rack (57), a fifth rotating shaft (58), a first full gear (59), a second full gear (510) and a second gear (511) lacking, the third rotating shaft (50) is rotatably arranged on one side in the material blocking shell (1), the first belt pulley (51) is arranged between the middle of the third rotating shaft (50) and the first rotating shaft (41), the first flat belt (52) is connected between the first belt pulleys (51), the fourth rotating shaft (53) is rotatably arranged on one side in the material blocking shell (1), the second belt pulley (54) is symmetrically arranged on both the fourth rotating shaft (53) and the third rotating shaft (50), the second rotating shaft (55) is connected between the second rotating shafts on one side, the fourth rotating shaft (53) is arranged on one side, the first gear (56) is arranged on one side in the material blocking shell (1), the fifth rotating shaft (58) is arranged on one side in the second rotating shaft (54), be equipped with first full gear (59) on fourth axis of rotation (53), fifth axis of rotation (58) one side is equipped with second full gear (510), and second full gear (510) and first full gear (59) meshing are equipped with the second and lack gear (511) fifth axis of rotation (58) one side, and first lack gear (56) lack gear (511) and second and lack gear (511) and all cooperate with rack (57).

4. The rice screening equipment as claimed in claim 3, further comprising a blanking mechanism (6), wherein the blanking mechanism (6) comprises a blanking hopper (60), a wedge-shaped block (61), a clamping block (62), a material blocking plate (63), a limiting block (64), a second limiting rod (65) and a second return spring (66), the blanking hopper (60) is arranged on one side of the material blocking shell (1), the limiting blocks (64) are symmetrically arranged on one side of the material blocking shell (1), the second limiting rod (65) is arranged in each limiting block (64), the material blocking plate (63) is arranged on each second limiting rod (65) in a sliding mode, the second return springs (66) are connected between the material blocking plate (63) and the limiting blocks (64) in a rotating mode, the wedge-shaped block (61) is arranged on one side of the material blocking shell (1) in a sliding mode, the rotating mode is matched with the wedge-shaped block (61), and the clamping block (62) is matched with the material blocking shell (1).

5. The rice screening device according to claim 4, further comprising a collecting mechanism (7), wherein the collecting mechanism (7) comprises a connecting shaft (70), rollers (71) and a collecting frame (72), a plurality of connecting shafts (70) are uniformly arranged on one side in the material blocking shell (1), a plurality of rollers (71) are uniformly arranged on the connecting shafts (70) in a rotating mode, the collecting frame (72) is slidably arranged on one side of the material blocking shell (1), and the collecting frame (72) is matched with the rollers (71).

6. An apparatus for screening rice as claimed in claim 2, wherein the motor (40) is a servo motor.