CN115400948B - Rice seed edulcoration screening installation - Google Patents

Abstract

The invention discloses rice seed impurity removal screening equipment, which belongs to the technical field of seed impurity removal and comprises an outer shell and a feed hopper, wherein the bottom of the feed hopper is fixedly communicated with the top of the outer shell, the inner wall of the feed hopper is fixedly connected with an anti-blocking structure, the right side of the anti-blocking structure penetrates through the feed hopper and extends to the right side of the feed hopper, and the top of the inner wall of the outer shell is fixedly connected with a guide hopper. According to the invention, the anti-blocking structure, the spiral blanking pipe, the air blowing structure and the adjusting mechanism are arranged, so that rice seeds can be uniformly discharged, dust, rice straws and rice seeds can be blown through the air blowing structure, the rice seeds can be separated from excessive impurities, the wind power can be controlled through the adjusting mechanism, the device is better suitable for different rice seeds, and the problem that impurities in existing rice seeds are inconvenient to clean is solved.

Description

Rice seed edulcoration screening installation

Technical Field

The invention belongs to the technical field of seed impurity removal, and particularly relates to rice seed impurity removal screening equipment.

Background

The rice is classified into indica rice, japonica rice, early rice, middle-late rice, glutinous rice and non-glutinous rice according to the types of rice. The rice is divided into conventional rice and hybrid rice according to a seed reserving mode, the rice is obtained after the rice is crust-removed, the rice is called brown rice, and rice bran layers are removed by grinding the brown rice, so that the rice can be obtained.

Application number: 202110974926.0 the invention discloses a rice seed impurity removal screening device, which is suitable for the field of seed screening, and provides a rice seed impurity removal screening device, comprising a box body, wherein one side of the upper side of the box body is provided with a feeding pipeline, the rice seed impurity removal screening device also comprises a vibrating unit and an impurity removal guide unit, the vibrating unit is arranged on one side of the feeding pipeline on the box body, the impurity removal guide unit is fixed on the vibrating unit, the impurity removal guide unit is obliquely arranged, an open water tank, a bent pipe fitting, a communicating pipe fitting and a drying and discharging unit are arranged in the box body, the open water tank is fixed in the box body, a water supplementing pipe is arranged on the side wall of the box body, one end of the bent pipe fitting is connected to the bottom of the open water tank, the other end of the bent pipe fitting is communicated with the water supplementing pipe, the height of the joint of the bent pipe fitting and the water supplementing pipe is greater than the height of the top of the open water tank, and an overflow discharging unit is arranged outside the open water tank; the whole equipment overcomes some difficulties of water selection mode, no matter discharge empty shell, flat grain or seed in good condition all very convenient, and overall structure is comparatively simple moreover, and the in-service use effect is good.

Harvesting is generally carried out by adopting a harvester when rice is harvested, rice is not harvested in the harvesting process, meanwhile, rice straws, dust and even small stones are attached, if the impurities are continuously doped in rice seeds, the follow-up production of the rice seeds is affected, the existing impurity removal screening device mainly directly blows air to remove impurities from the rice seeds, but excessive impurities still exist in the rice seeds, the blowing air is uncontrollable in size, and the wind power is intermittent and can not effectively remove the impurities from the rice seeds.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides rice seed impurity removal screening equipment which has the advantage of convenient impurity removal and solves the problem that impurities in the existing rice seeds are inconvenient to clean.

The invention is realized in such a way that the rice seed impurity removal screening device comprises an outer shell and a feeding hopper, wherein the bottom of the feeding hopper is fixedly communicated with the top of the outer shell, the inner wall of the feeding hopper is fixedly connected with an anti-blocking structure, and the right side of the anti-blocking structure penetrates through the feeding hopper and extends to the right side of the feeding hopper;

the top of the inner wall of the outer shell is fixedly connected with a guide hopper, the top of the guide hopper is matched with the bottom of the feed hopper, the bottom of the guide hopper is fixedly connected with a spiral blanking pipe, the bottom of the spiral blanking pipe is fixedly communicated with a screening box, and the bottom of the screening box is fixedly connected with the bottom of the inner wall of the outer shell;

the left side of the spiral blanking pipe is provided with a blowing structure, the other side of the blowing structure penetrates through the right side of the outer shell, the right side of the guide hopper is fixedly communicated with a first impurity discharging pipe, and the right side of the first impurity discharging pipe penetrates through the outer shell and extends to the right side of the outer shell;

the front side of screening case is fixed to be linked together and is had the second to arrange miscellaneous pipe, the front side of second arranges miscellaneous pipe runs through the outer casing and extends to the front side of outer casing, the right side of screening case is fixed to be linked together and is had qualified conveyer pipe, the right side of qualified conveyer pipe runs through the outer casing and extends to the right side of outer casing.

As the preferable anti-blocking structure of the invention, the anti-blocking structure comprises a driving motor, the bottom of the driving motor is fixedly connected with the top of an external shell, the output end of the driving motor is fixedly connected with a transmission shaft, the left side of the transmission shaft penetrates through a feed hopper and extends to the inside of the feed hopper, the surface of the transmission shaft is fixedly connected with a bump, the top of the bump is provided with a movable plate, the surface of the movable plate is sleeved with a concave annular plate, the surface of the concave annular plate is fixedly connected with the inner wall of the feed hopper, the front side and the rear side of the bottom of the movable plate are fixedly connected with guide posts, and one end of each guide post far away from the movable plate penetrates through the concave annular plate and extends to the surface of the concave annular plate.

As preferable, the blowing structure comprises an exhaust fan, the rear side of the exhaust fan is fixedly connected with the rear side of the inner wall of the outer shell, the air inlet end of the exhaust fan is communicated with the outside of the outer shell, the air outlet end of the exhaust fan is fixedly communicated with a first guide pipe, one end of the first guide pipe, which is far away from the exhaust fan, is fixedly communicated with a connector, the top and the bottom of the connector are fixedly communicated with a second guide pipe, one end of the second guide pipe, which is far away from the connector, is fixedly communicated with an adjusting shell, one side, which is close to the inner wall of the outer shell, of the adjusting shell is fixedly connected with a supporting seat, one side, which is close to the inner wall of the outer shell, of the supporting seat is fixedly connected with the inner wall of the outer shell, and the two adjusting shells are respectively communicated with the guide hopper and the screening box.

As a preferable mode of the invention, an adjusting mechanism is arranged in the adjusting shell, the rear side of the adjusting mechanism penetrates through the adjusting shell and is matched with the adjusting shell, a screw is arranged on the surface of the supporting seat, and the threaded end of the screw penetrates through the supporting seat and extends into the outer shell.

As preferable, the adjusting mechanism comprises an annular plate, the annular plate is positioned in the adjusting shell, the surface of the annular plate is fixedly connected with the inner wall of the adjusting shell, the top and the bottom of the right side of the annular plate are respectively provided with a baffle, the front sides of the baffles are contacted with a pushing rod, the front sides of the adjusting shell are fixedly connected with a connecting shell, the front sides of the connecting shell are provided with screws, the rear sides of the screws penetrate through the connecting shell and extend into the connecting shell, the rear sides of the surfaces of the screws are fixedly connected with bearings, the rear sides of the bearings are fixedly connected with connecting rods, and the front sides of the two pushing rods penetrate through the adjusting shell and are fixedly connected with the rear sides of the connecting rods.

As the preferable one end of the guide post far away from the movable plate is fixedly connected with a limiting block, the surface of the limiting block is matched with the surface of the concave ring plate for use, the bottom of the limiting block is provided with a limiting ring, the inside of the limiting ring is fixedly connected with the surface of the guide post, the top of the limiting ring is provided with a first reset spring, the first reset spring is sleeved on the surface of the guide post, the top of the first reset spring is fixedly connected with the bottom of the concave ring plate, and the bottom of the first reset spring is fixedly connected with the top of the limiting ring.

As the preferable mode of the invention, the left side of the surface of the transmission shaft is sleeved with the stabilizing block, the surface of the stabilizing block is fixedly connected with the inner wall of the feeding hopper, and the surface of the protruding block is contacted with the bottom of the moving plate.

As the preferable mode of the invention, the front side and the rear side of the opposite side of the baffle are fixedly connected with a second reset spring, one side of the second reset spring away from the baffle is fixedly connected with the inner wall of the adjusting shell, and the front side of the baffle is provided with a propping groove matched with the propping rod.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the anti-blocking structure, the spiral blanking pipe, the air blowing structure and the adjusting mechanism are arranged, so that rice seeds can be uniformly discharged, dust, rice straws and rice seeds can be blown through the air blowing structure, the rice seeds can be separated from excessive impurities, the wind power can be controlled through the adjusting mechanism, the device is better suitable for different rice seeds, and the problem that impurities in existing rice seeds are inconvenient to clean is solved.

2. According to the anti-blocking structure, the drive motor is started to drive the transmission shaft to rotate, the transmission shaft drives the lug to rotate, the lug abuts against the movable plate to move, the movable plate drives the guide post to move, the guide post plays a limiting role on the movable plate, and the movable plate and the concave ring plate are opened and closed up and down, so that rice seeds can be uniformly fed, and meanwhile, the rice seeds can be abutted against to achieve the anti-blocking purpose.

3. According to the invention, through the arrangement of the air blowing structure, external air can be input into the connector through the first guide pipe through the exhaust fan, air is input into the second guide pipe through the connector, then the air is blown into the guide hopper and the screening box through the adjusting shell, light impurities such as dust, rice straw and the like are primarily treated through the guide hopper, the screening box directly blows rice seeds, and the rice seeds are directly blown into the qualified conveying pipe, so that the purpose of dust removal of the rice seeds is achieved.

4. According to the invention, the adjusting shell and the supporting seat can be conveniently connected and fixed by arranging the screw, so that the stability of the adjusting shell and the supporting seat is increased, and the installation and the disassembly of the adjusting shell and the supporting seat are convenient.

5. According to the invention, the adjusting mechanism is arranged, the screw rod can be screwed, the bearing is driven to move by the screw rod, the connecting rod is driven to move by the bearing, the abutting rod is driven to move by the connecting rod, the abutting rod abuts against the baffle plates, and the purpose of controlling the wind power is achieved by the opening and closing of the two baffle plates, so that the impurities of different rice seeds are removed.

6. According to the invention, the limit block, the limit ring and the first reset spring are arranged, so that the guide post can be limited, the guide post is prevented from being separated from the inner part of the concave ring plate, the limit ring and the first reset spring can reset the guide post and the moving plate, the moving plate is convenient to attach to the convex block, and the structure is convenient to drive.

7. According to the invention, the stabilizing block, the second reset spring and the propping groove are arranged, so that the rotating stability of the transmission shaft can be effectively increased, the purpose of supporting the transmission shaft is achieved, the second reset spring is arranged, the baffle can be conveniently reset, the baffle is conveniently contacted with the propping rod, and the propping rod can conveniently move by driving the baffle through the propping groove through the arrangement of the propping groove.

8. According to the invention, the ventilation plate, the separation block and the transmission handle are arranged, so that air in the adjusting shell can be conveniently blown into the guide hopper, meanwhile, the ventilation plate can guide and isolate objects needing dust cleaning, the objects are prevented from falling into the adjusting shell, the separation block is arranged, air in the first guide pipe can be blown into the two second guide pipes through the connector, and the air guiding is performed.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a perspective view of a blower structure provided in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a portion of an embodiment of the present invention;

FIG. 4 is a perspective view of an embodiment of the present invention providing an anti-blocking structure;

FIG. 5 is a perspective view of an adjustment mechanism provided by an embodiment of the present invention;

FIG. 6 is a mating perspective view of an embodiment of the present invention providing a connector and spacer block;

FIG. 7 is a partial enlarged view of FIG. 3 at A provided by an embodiment of the present invention;

fig. 8 is a partial enlarged view of fig. 4 at B provided by an embodiment of the present invention.

In the figure: 1. an outer housing; 2. a feed hopper; 3. an anti-blocking structure; 301. a driving motor; 302. a transmission shaft; 303. a bump; 304. a moving plate; 305. a recessed ring plate; 306. a guide post; 4. a guide hopper; 5. a spiral blanking pipe; 6. a screening box; 7. a blowing structure; 701. an exhaust fan; 702. a first conduit; 703. a connector; 704. a second conduit; 705. an adjustment housing; 706. a support base; 8. a first impurity removing pipe; 9. a second impurity removing pipe; 10. a qualified conveying pipe; 11. an adjusting mechanism; 1101. an annular plate; 1102. a baffle; 1103. a pushing rod; 1104. a connection housing; 1105. a screw; 1106. a bearing; 1107. a connecting rod; 12. a screw; 13. a limiting block; 14. a limiting ring; 15. a first return spring; 16. a stabilizing block; 17. a second return spring; 18. an abutting groove; 19. a ventilation board; 20. a separation block; 21. a transmission handle.

Detailed Description

For a further understanding of the present invention, its objects, features and advantages, reference should be made to the following examples which are illustrated in the accompanying drawings.

The structure of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, the rice seed impurity removal screening device provided by the embodiment of the invention comprises an outer shell 1 and a feed hopper 2, wherein the bottom of the feed hopper 2 is fixedly communicated with the top of the outer shell 1, the inner wall of the feed hopper 2 is fixedly connected with an anti-blocking structure 3, the right side of the anti-blocking structure 3 penetrates through the feed hopper 2 and extends to the right side of the feed hopper 2, the top of the inner wall of the outer shell 1 is fixedly connected with a guide hopper 4, the top of the guide hopper 4 is matched with the bottom of the feed hopper 2, the bottom of the guide hopper 4 is fixedly connected with a spiral blanking pipe 5, the bottom of the spiral blanking pipe 5 is fixedly communicated with a screening box 6, the bottom of the screening box 6 is fixedly connected with the bottom of the inner wall of the outer shell 1, the left side of the spiral blanking pipe 5 is provided with an air blasting structure 7, the other side of the air blasting structure 7 penetrates to the right side of the outer shell 1, the right side of the guide hopper 4 is fixedly communicated with a first impurity discharge pipe 8, the right side of the first impurity discharge pipe 8 penetrates through the outer shell 1 and extends to the right side of the outer shell 1, the front side of the screening box 6 is fixedly communicated with a second impurity discharge pipe 9, the front side of the second impurity discharge pipe 9 penetrates the front side of the outer shell 1 and extends to the right side of the outer shell 1, and passes through the right side 10 of the outer shell 1 and is fixedly communicated with the right side of the outer shell 1, and the right side of the qualified conveying pipe 10 is fixedly connected with the right side of the outer shell 1.

Referring to fig. 4, the anti-blocking structure 3 includes a driving motor 301, the bottom of the driving motor 301 is fixedly connected with the top of the outer casing 1, the output end of the driving motor 301 is fixedly connected with a transmission shaft 302, the left side of the transmission shaft 302 penetrates through the feed hopper 2 and extends to the inside of the feed hopper 2, a bump 303 is fixedly connected with the surface of the transmission shaft 302, a moving plate 304 is arranged at the top of the bump 303, a recessed annular plate 305 is sleeved on the surface of the moving plate 304, the surface of the recessed annular plate 305 is fixedly connected with the inner wall of the feed hopper 2, guide posts 306 are fixedly connected with the front side and the rear side of the bottom of the moving plate 304, and one end of the guide posts 306, far away from the moving plate 304, penetrates through the recessed annular plate 305 and extends to the surface of the recessed annular plate 305.

The scheme is adopted: through setting up anti-blocking structure 3, can drive the transmission shaft 302 through starting driving motor 301, driving motor 301 drives the rotation of transmission shaft 302 and drives lug 303, and lug 303 supports and moves movable plate 304 and remove, and movable plate 304 drives guide post 306 and removes, and guide post 306 plays the limiting displacement to movable plate 304, opens and shuts from top to bottom through movable plate 304 and sunken crown plate 305, can carry out even feeding to the rice seed, can also support and move the rice seed, reaches anti-blocking's purpose.

Referring to fig. 2 and 3, the blower structure 7 includes an exhaust fan 701, the rear side of the exhaust fan 701 is fixedly connected with the rear side of the inner wall of the outer casing 1, the air inlet end of the exhaust fan 701 is fixedly connected with a first conduit 702, one end of the first conduit 702, which is far away from the exhaust fan 701, is fixedly connected with a connector 703, the top and the bottom of the connector 703 are fixedly connected with a second conduit 704, one end of the second conduit 704, which is far away from the connector 703, is fixedly connected with an adjusting shell 705, one side of the adjusting shell 705, which is close to the inner wall of the outer casing 1, is fixedly connected with a supporting seat 706, one side of the supporting seat 706, which is close to the inner wall of the outer casing 1, is fixedly connected with the inner wall of the outer casing 1, and the two adjusting shells 705 are respectively communicated with the guide hopper 4 and the screening box 6.

The scheme is adopted: through setting up blast structure 7, can pass through air exhauster 701 with outside air through the inside of first pipe 702 input to connector 703, through connector 703 to the inside of second pipe 704 input air, then the inside that the air blown into guide hopper 4 and screening case 6 through adjusting shell 705, preliminary light impurity such as dust and rice straw through guide hopper 4 handle, screening case 6 directly blows the rice seed, directly blows in the inside of qualified conveyer pipe 10 with the rice seed, reaches the purpose of removing dust to the rice seed.

Referring to fig. 2 and 3, the inside of the adjustment housing 705 is provided with an adjustment mechanism 11, the rear side of the adjustment mechanism 11 penetrates into the inside of the adjustment housing 705 and cooperates with the inside of the adjustment housing 705, the surface of the support base 706 is provided with a screw 12, and the threaded end of the screw 12 penetrates through the support base 706 and extends into the inside of the outer housing 1.

The scheme is adopted: through setting up screw 12, can conveniently connect fixedly adjusting shell 705 and supporting seat 706, increase the stability of adjusting shell 705 and supporting seat 706, make things convenient for the installation and the dismantlement of adjusting shell 705 and supporting seat 706.

Referring to fig. 2, 3 and 5, the adjusting mechanism 11 includes an annular plate 1101, the annular plate 1101 is located inside the adjusting housing 705, the surface of the annular plate 1101 is fixedly connected with the inner wall of the adjusting housing 705, the top and the bottom on the right side of the annular plate 1101 are both provided with a baffle 1102, the front side of the baffle 1102 is contacted with a pushing rod 1103, the front side of the adjusting housing 705 is fixedly connected with a connecting housing 1104, the front side of the connecting housing 1104 is provided with a screw 1105, the rear side of the screw 1105 penetrates through the connecting housing 1104 and extends to the inside of the connecting housing 1104, the rear side of the surface of the screw 1105 is fixedly connected with a bearing 1106, the rear side of the bearing 1106 is fixedly connected with a connecting rod 1107, and the front sides of the two pushing rods 1103 penetrate through the adjusting housing 705 and are fixedly connected with the rear side of the connecting rod 1107.

The scheme is adopted: through setting up adjustment mechanism 11, can be through twisting the screw rod 1105, screw rod 1105 drives the bearing 1106 and removes, and the bearing 1106 drives connecting rod 1107 and removes, and connecting rod 1107 drives to move the butt movable rod 1103, and butt movable rod 1103 butt movable baffle 1102, through the size that two baffles 1102 open and shut, reaches the purpose of control wind-force size to remove the edulcoration to different rice seeds.

Referring to fig. 4 and 8, one end of the guide post 306 away from the movable plate 304 is fixedly connected with a limiting block 13, the surface of the limiting block 13 is matched with the surface of the concave annular plate 305, a limiting ring 14 is arranged at the bottom of the limiting block 13, the inside of the limiting ring 14 is fixedly connected with the surface of the guide post 306, a first reset spring 15 is arranged at the top of the limiting ring 14, the first reset spring 15 is sleeved on the surface of the guide post 306, the top of the first reset spring 15 is fixedly connected with the bottom of the concave annular plate 305, and the bottom of the first reset spring 15 is fixedly connected with the top of the limiting ring 14.

The scheme is adopted: through setting up stopper 13, spacing ring 14, first reset spring 15, can guide post 306 spacing, avoid guide post 306 to break away from the inside of sunken annular slab 305, spacing ring 14 and first reset spring 15 can reset guide post 306 and movable plate 304, make things convenient for laminating between movable plate 304 and the lug 303, make things convenient for the transmission of structure.

Referring to fig. 4, a stabilizing block 16 is sleeved on the left side of the surface of the transmission shaft 302, the surface of the stabilizing block 16 is fixedly connected with the inner wall of the feed hopper 2, and the surface of the protruding block 303 is in contact with the bottom of the moving plate 304.

The scheme is adopted: by providing the stabilizing block 16, the stability of rotation of the transmission shaft 302 can be effectively increased, and the purpose of supporting the transmission shaft 302 is achieved.

Referring to fig. 5, the front side and the rear side of the opposite side of the baffle 1102 are fixedly connected with a second return spring 17, one side of the second return spring 17 away from the baffle 1102 is fixedly connected with the inner wall of the adjusting shell 705, and the front side of the baffle 1102 is provided with a moving resisting groove 18 matched with the moving resisting rod 1103.

The scheme is adopted: by setting the second return spring 17, the baffle 1102 can be conveniently reset, so that the baffle 1102 is conveniently contacted with the abutting movement rod 1103, and the abutting movement rod 1103 can conveniently drive the baffle 1102 to move through the abutting movement groove 18 by setting the abutting movement groove 18.

Referring to fig. 7, a ventilation plate 19 is provided on the left side of the inside of the guide bucket 4, the ventilation plate 19 is located at the junction of the adjustment shell 705 and the guide bucket 4, and the left side of the ventilation plate 19 is fixedly connected with the left side of the inner wall of the guide bucket 4.

The scheme is adopted: through setting up ventilation board 19, can conveniently blow in the inside of direction fill 4 with the inside air of adjusting shell 705, ventilation board 19 can lead and keep apart the article that needs clearance dust simultaneously, avoid falling into the inside of adjusting shell 705.

Referring to fig. 6, a separation block 20 is provided inside the connector 703, and the surface of the separation block 20 is fixedly connected to the inside of the connector 703 and is used in cooperation with the first and second pipes 702 and 704.

The scheme is adopted: by providing the partition block 20, air in the first duct 702 can be blown into the two second ducts 704 through the connector 703, and air can be guided.

Referring to fig. 5, a driving handle 21 is fixedly coupled to the front side of the screw 1105, and the surface of the screw 1105 is screw-coupled with the inside of the coupling housing 1104.

The scheme is adopted: through the setting of drive handle 21, can conveniently drive screw 1105 through drive handle 21 and rotate, screw 1105 can conveniently connect shell 1104 and drive screw 1105 and remove, conveniently carries out the transmission of structure.

The working principle of the invention is as follows:

when in use, a user needs to remove the impurities from the rice seeds, the rice seeds needing to be removed are poured into the feed hopper 2, meanwhile, the driving motor 301 and the exhaust fan 701 are started, the driving motor 301 drives the transmission shaft 302 to rotate, the transmission shaft 302 drives the convex block 303 to rotate, the convex block 303 props against the moving plate 304 to move up and down, the moving plate 304 drives the guide post 306 to move up and down, the guide post 306 plays a limiting role on the moving plate 304, the moving plate 304 moves up and down stably, the rice seeds fall down through the opening and closing of the moving plate 304 and the concave annular plate 305, the exhaust fan 701 blows external air into the connector 703 through the first guide pipe 702, air is input into the second guide pipe 704 through the connector 703 through the separation block 20, then the air is blown into the inside of the guide hopper 4 and the screening box 6 through the adjusting shell 705, by screwing the transmission handle 21, the transmission handle 21 drives the screw 1105 to rotate, the screw 1105 pushes the bearing 1106 to move backwards, the bearing 1106 drives the connecting rod 1107 to move backwards, the connecting rod 1107 drives the pushing rod 1103 to move backwards, the pushing rod 1103 pushes the baffle 1102, the purpose of controlling the wind power is achieved by adjusting the opening and closing of the two baffles 1102, the guide hopper 4 blows the rice seeds firstly, dust and rice straws in the rice seeds are blown to the first trash discharging pipe 8 and discharged through the first trash discharging pipe 8, the rice seeds fall downwards through the spiral blanking pipe 5, the rice seeds slowly and evenly fall into the screening box 6, air is blown into the screening box 6 through the bottom adjusting shell 705, the rice seeds with lighter weight are blown into the qualified conveying pipe 10, heavy stones or other impurities fall into the bottom of the screening box 6 between the heavy stones or other impurities and are output outwards through the second trash discharging pipe 9, achieving the aim of removing impurities from rice seeds.

To sum up: the rice seed impurity removal screening device solves the problem of inconvenient cleaning of impurities in the existing rice seeds by arranging an outer shell 1, a feed hopper 2, an anti-blocking structure 3, a driving motor 301, a transmission shaft 302, a lug 303, a moving plate 304, a concave annular plate 305, a guide post 306, a guide hopper 4, a spiral blanking pipe 5, a screening box 6, a blowing structure 7, an exhaust fan 701, a first guide pipe 702, a connector 703, a second guide pipe 704, an adjusting shell 705, a supporting seat 706, a first impurity removal pipe 8, a second impurity removal pipe 9, a qualified conveying pipe 10, an adjusting mechanism 11, an annular plate 1101, a baffle 1102, a pushing rod 1103, a connecting shell 1104, a screw 1105, a bearing 1106, a connecting rod 1107, a screw 12, a limiting block 13, a limiting ring 14, a first return spring 15, a stabilizing block 16, a second return spring 17, a pushing groove 18, a ventilation plate 19, a separation block 20 and a transmission handle 21.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Rice seed edulcoration screening installation, including outside casing (1) and feeder hopper (2), its characterized in that: the bottom of the feed hopper (2) is fixedly communicated with the top of the outer shell (1), an anti-blocking structure (3) is fixedly connected to the inner wall of the feed hopper (2), and the right side of the anti-blocking structure (3) penetrates through the feed hopper (2) and extends to the right side of the feed hopper (2);

the top of the inner wall of the outer shell (1) is fixedly connected with a guide hopper (4), the top of the guide hopper (4) is matched with the bottom of the feed hopper (2), the bottom of the guide hopper (4) is fixedly connected with a spiral blanking pipe (5), the bottom of the spiral blanking pipe (5) is fixedly communicated with a screening box (6), and the bottom of the screening box (6) is fixedly connected with the bottom of the inner wall of the outer shell (1);

the left side of the spiral blanking pipe (5) is provided with a blast structure (7), the other side of the blast structure (7) penetrates through the right side of the outer shell (1), the right side of the guide hopper (4) is fixedly communicated with a first impurity discharging pipe (8), and the right side of the first impurity discharging pipe (8) penetrates through the outer shell (1) and extends to the right side of the outer shell (1);

the front side of the screening box (6) is fixedly communicated with a second impurity discharging pipe (9), the front side of the second impurity discharging pipe (9) penetrates through the outer shell (1) and extends to the front side of the outer shell (1), the right side of the screening box (6) is fixedly communicated with a qualified conveying pipe (10), and the right side of the qualified conveying pipe (10) penetrates through the outer shell (1) and extends to the right side of the outer shell (1);

the anti-blocking structure (3) comprises a driving motor (301), the bottom of the driving motor (301) is fixedly connected with the top of an outer shell (1), the output end of the driving motor (301) is fixedly connected with a transmission shaft (302), the left side of the transmission shaft (302) penetrates through a feed hopper (2) and extends to the inside of the feed hopper (2), a bump (303) is fixedly connected with the surface of the transmission shaft (302), a movable plate (304) is arranged at the top of the bump (303), a concave annular plate (305) is sleeved on the surface of the movable plate (304), the surface of the concave annular plate (305) is fixedly connected with the inner wall of the feed hopper (2), guide columns (306) are fixedly connected to the front side and the rear side of the bottom of the movable plate (304), and one end, far away from the movable plate (304), of the guide columns (306) penetrates through the concave annular plate (305) and extends to the surface of the concave annular plate (305);

the air blowing structure (7) comprises an exhaust fan (701), the rear side of the exhaust fan (701) is fixedly connected with the rear side of the inner wall of the outer shell (1), the air inlet end of the exhaust fan (701) is fixedly connected with the outside of the outer shell (1), the air outlet end of the exhaust fan (701) is fixedly connected with a first guide pipe (702), one end, far away from the exhaust fan (701), of the first guide pipe (702) is fixedly connected with a connector (703), the top and the bottom of the connector (703) are fixedly connected with a second guide pipe (704), one end, far away from the connector (703), of the second guide pipe (704) is fixedly connected with an adjusting shell (705), one side, close to the inner wall of the outer shell (1), of the adjusting shell (705) is fixedly connected with a supporting seat (706), one side, close to the inner wall of the outer shell (1), of the outer shell (1) is fixedly connected with the inner wall of the outer shell (1), and the two adjusting shells (705) are respectively communicated with a guide hopper (4) and a screening box (6).

One end of the guide post (306) far away from the movable plate (304) is fixedly connected with a limiting block (13), the surface of the limiting block (13) is matched with the surface of the concave annular plate (305), the bottom of the limiting block (13) is provided with a limiting ring (14), the inside of the limiting ring (14) is fixedly connected with the surface of the guide post (306), the top of the limiting ring (14) is provided with a first reset spring (15), the first reset spring (15) is sleeved on the surface of the guide post (306), the top of the first reset spring (15) is fixedly connected with the bottom of the concave annular plate (305), and the bottom of the first reset spring (15) is fixedly connected with the top of the limiting ring (14);

the left side cover of transmission shaft (302) surface is equipped with stable piece (16), the surface of stable piece (16) and the inner wall fixed connection of feeder hopper (2), the surface of lug (303) and the bottom contact of movable plate (304).

2. The rice seed impurity removal and screening apparatus according to claim 1, wherein: the inside of adjusting shell (705) is provided with adjustment mechanism (11), the rear side of adjustment mechanism (11) runs through to the inside of adjusting shell (705), and uses with the inside cooperation of adjusting shell (705), the surface of supporting seat (706) is provided with screw (12), the screw thread end of screw (12) runs through supporting seat (706) and extends to the inside of outside casing (1).

3. A rice seed impurity removal and screening apparatus as defined in claim 2, wherein: the utility model provides an adjusting mechanism (11) including annular plate (1101), annular plate (1101) are located the inside of adjusting shell (705), the surface of annular plate (1101) and the inner wall fixed connection of adjusting shell (705), the top and the bottom on annular plate (1101) right side all are provided with baffle (1102), the front side contact of baffle (1102) has to move pole (1103), the front side fixedly connected with coupling shell (1104) of adjusting shell (705), the front side of coupling shell (1104) is provided with screw rod (1105), the rear side of screw rod (1105) runs through coupling shell (1104) and extends to the inside of coupling shell (1104), the rear side fixedly connected with bearing (1106) on screw rod (1105) surface, the rear side fixedly connected with connecting rod (1107) of bearing (1106), two the front side that moves pole (1103) all runs through adjusting shell (705) and with the rear side fixed connection of connecting rod (1107).

4. A rice seed impurity removal and screening apparatus as defined in claim 3, wherein: the front side and the rear side of the opposite side of the baffle plate (1102) are fixedly connected with second reset springs (17), one side, away from the baffle plate (1102), of the second reset springs (17) is fixedly connected with the inner wall of the adjusting shell (705), and an abutting groove (18) matched with the abutting rod (1103) is formed in the front side of the baffle plate (1102).

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