CN115400948A

CN115400948A - Rice seed edulcoration screening installation

Info

Publication number: CN115400948A
Application number: CN202210918409.6A
Authority: CN
Inventors: 张涛; 周琼; 尤丽; 汪振中; 刘晶; 王伟
Original assignee: Ankang Crop Seed Station
Current assignee: Ankang Crop Seed Station
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-11-29
Anticipated expiration: 2042-08-01
Also published as: CN115400948B

Abstract

The invention discloses impurity removal and screening equipment for rice seeds, 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 rice seed separation device, the anti-blocking structure, the spiral discharging pipe, the air blowing structure and the adjusting mechanism are arranged, rice seeds can be uniformly discharged through the anti-blocking structure and the spiral discharging pipe, dust, rice straws and rice seeds are blown through the air blowing structure, the rice seeds can be separated from overweight impurities, the wind power can be controlled through the adjusting mechanism, different rice seeds can be better adapted, and the problem that the impurities in the existing rice seeds are not convenient 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 impurity removal and screening equipment for rice seeds.

Background

The rice is classified into indica rice and japonica rice, early rice and middle and late rice, glutinous rice and non-glutinous rice according to the rice type. The method is divided into conventional rice and hybrid rice according to a seed reserving mode, wherein the rice is obtained by the steps of obtaining rice seeds, weighing brown rice after removing glumes of the rice seeds, and grinding rice bran layers of the brown rice to obtain the rice.

Application No.: 202110974926.0 discloses a rice seed impurity removal screening device, which is applicable to the field of seed screening and comprises a box body, wherein a feeding pipeline is arranged on one side of the box body, the rice seed impurity removal screening device also comprises a vibration unit and an impurity removal guide unit, the vibration unit is arranged on one side of the feeding pipeline on the box body, the impurity removal guide unit is fixed on the vibration 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 larger than the height of the top of the open water tank, and an overflow discharge unit is arranged outside the open water tank; the whole equipment overcomes some difficulties of a water separation mode, is very convenient for discharging empty shells and shrivelled grains and perfectly sowing the seeds, and has simple integral structure and good actual use effect.

The rice generally adopts the harvester to reap when reaping, reap the in-process and usually not light and reap rice corn, still can attach some rice straws simultaneously, dust little stone even, if these impurity continue to dope in the rice seed, then influence follow-up production to the rice seed and add a plurality ofly, current edulcoration sieving mechanism mostly directly bloies and carries out the edulcoration with the rice seed, but still can have overweight impurity among the rice seed, the size of blowing simultaneously is uncontrollable, wind-force size is intermittent and continuous, the unable effectual problem of carrying out the rice seed edulcoration.

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 convenience in impurity removal and solves the problem that impurities in existing rice seeds are not convenient to clean.

The invention is realized in such a way that the impurity removal and screening equipment for rice seeds comprises an external shell and a feed hopper, wherein the bottom of the feed hopper is fixedly communicated with the top of the external shell, the inner wall of the feed hopper is fixedly connected with an anti-blocking structure, and the right side of the anti-blocking structure penetrates through the feed hopper and extends to the right side of the feed 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 for use, the bottom of the guide hopper is fixedly connected with a spiral discharging pipe, the bottom of the spiral discharging 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 an air blowing structure, the other side of the air 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 fixed intercommunication in front side of screening case has the miscellaneous pipe of second row, the front side of the miscellaneous pipe of second row runs through outside casing and extends to the front side of outside casing, the fixed intercommunication in right side of screening case has qualified conveyer pipe, the right side of qualified conveyer pipe runs through outside casing and extends to the right side of outside casing.

Preferably, the anti-blocking structure comprises a driving motor, the bottom of the driving motor is fixedly connected with the top of the outer shell, the output end of the driving motor is fixedly connected with a transmission shaft, the left side of the transmission shaft penetrates through the feed hopper and extends into the feed hopper, a convex block is fixedly connected to the surface of the transmission shaft, a movable plate is arranged at the top of the convex block, a concave annular plate is sleeved on the surface of the movable plate, the surface of the concave annular plate is fixedly connected with the inner wall of the feed hopper, guide columns are fixedly connected to the front side and the rear side of the bottom of the movable plate, and one end, far away from the movable plate, of each guide column penetrates through the concave annular plate and extends to the surface of the concave annular plate.

Preferably, the air 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 conduit, one end of the first conduit, 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 conduit, one end of the second conduit, which is far away from the connector, is fixedly communicated with an adjusting shell, one side of the adjusting shell, which is close to the inner wall of the outer shell, is fixedly connected with a supporting seat, one side of the supporting seat, which is close to the inner wall of the outer shell, 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.

Preferably, the adjusting shell is internally provided with an adjusting mechanism, the rear side of the adjusting mechanism penetrates into the adjusting shell and is matched with the inside of the adjusting shell for use, the surface of the supporting seat is provided with a screw, and the threaded end of the screw penetrates through the supporting seat and extends into the outer shell.

Preferably, the adjusting mechanism comprises an annular plate, the annular plate is located inside 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 side of the baffle is contacted with a pushing rod, the front side of the adjusting shell is fixedly connected with a connecting shell, the front side of the connecting shell is provided with a screw rod, the rear side of the screw rod penetrates through the connecting shell and extends into the connecting shell, the rear side of the surface of the screw rod is fixedly connected with a bearing, the rear side of the bearing is fixedly connected with a connecting rod, and the front sides of the two pushing rods both penetrate through the adjusting shell and are fixedly connected with the rear side of the connecting rod.

Preferably, one end of the guide post, which is 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 recessed ring plate for use, the bottom of the limiting block is provided with a limiting ring, the interior 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 return spring, the first return spring is sleeved on the surface of the guide post, the top of the first return spring is fixedly connected with the bottom of the recessed ring plate, and the bottom of the first return spring is fixedly connected with the top of the limiting ring.

Preferably, a stabilizing block is sleeved on the left side of the surface of the transmission shaft, the surface of the stabilizing block is fixedly connected with the inner wall of the feed hopper, and the surface of the bump is in contact with the bottom of the moving plate.

Preferably, the front side and the rear side of the opposite side of the baffle are both fixedly connected with a second return spring, one side of the second return spring, which is far 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 pushing groove matched with the pushing rod for use.

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

1. according to the rice seed separation device, the anti-blocking structure, the spiral discharging pipe, the air blowing structure and the adjusting mechanism are arranged, rice seeds can be uniformly discharged through the anti-blocking structure and the spiral discharging pipe, dust, rice straws and rice seeds are blown through the air blowing structure, the rice seeds can be separated from overweight impurities, the wind power can be controlled through the adjusting mechanism, different rice seeds can be better adapted, and the problem that the impurities in the existing rice seeds are not convenient to clean is solved.

2. According to the rice anti-blocking device, the anti-blocking structure is arranged, the driving motor can be started to drive the transmission shaft to rotate, the transmission shaft drives the protruding block to rotate, the protruding block abuts against the moving plate to move, the moving plate drives the guide post to move, the guide post plays a limiting role in the moving plate, and rice seeds can be abutted while being evenly fed through the up-and-down opening and closing of the moving plate and the concave ring plate, so that the anti-blocking purpose is achieved.

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 by 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 and rice straws 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 aim of removing dust 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, the stability of the adjusting shell and the supporting seat is increased, and the adjusting shell and the supporting seat are convenient to mount and dismount.

5. According to the rice seed impurity removing device, the adjusting mechanism is arranged, the screw rod can be screwed, the screw rod drives the bearing to move, the bearing drives the connecting rod to move, the connecting rod drives the abutting rod to move, the abutting rod abuts against the baffle, the purpose of controlling the size of wind power is achieved through the opening and closing size of the two baffles, and therefore impurity removal is conducted on different rice seeds.

6. According to the invention, the guide post can be limited by arranging the limiting block, the limiting ring and the first reset spring, so that the guide post is prevented from being separated from the inner part of the concave ring plate, the limiting ring and the first reset spring can reset the guide post and the movable plate, the movable plate and the convex block can be conveniently attached, and the structure transmission is convenient.

7. According to the invention, the stabilizing block, the second reset spring and the abutting groove are arranged, the rotating stability of the transmission shaft can be effectively increased by arranging the stabilizing block, the purpose of supporting the transmission shaft is achieved, the resetting of the baffle plate can be facilitated by arranging the second reset spring, so that the baffle plate is convenient to contact with the abutting rod, and the abutting rod can be convenient to drive the baffle plate to move through the abutting groove by arranging the abutting groove.

8. According to the invention, through arranging the ventilating plate, the separating block and the transmission handle, air in the adjusting shell can be conveniently blown into the guide hopper, meanwhile, the ventilating plate can guide and isolate objects needing dust cleaning, and the objects are prevented from falling into the adjusting shell.

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 by an embodiment of the present invention;

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

FIG. 4 is a perspective view of an anti-clog structure provided by an embodiment of the present invention;

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 a connector and spacer block provided by an embodiment of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 3 at A in accordance with an embodiment of the present invention;

fig. 8 is a partial enlarged view of the portion B in fig. 4 according to the embodiment of the present invention.

In the figure: 1. an outer housing; 2. a feed hopper; 3. an anti-blocking structure; 301. a drive motor; 302. a drive shaft; 303. a bump; 304. moving the plate; 305. a recessed ring plate; 306. a guide post; 4. a guide hopper; 5. a spiral blanking pipe; 6. screening the box; 7. a blower structure; 701. an exhaust fan; 702. a first conduit; 703. a connector; 704. a second conduit; 705. an adjustment housing; 706. a supporting seat; 8. a first impurity discharging pipe; 9. a second impurity discharge pipe; 10. qualified conveying pipes; 11. an adjustment mechanism; 1101. an annular plate; 1102. a baffle plate; 1103. pushing the rod; 1104. a connecting shell; 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. abutting against the groove; 19. a ventilation board; 20. a separation block; 21. a transmission handle.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are exemplified and the following detailed description is made with reference to the accompanying drawings.

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

As shown in fig. 1 to 8, an impurity removing and screening device for rice seeds provided by an embodiment of the present invention includes an external casing 1 and a feeding hopper 2, the bottom of the feeding hopper 2 is fixedly communicated with the top of the external casing 1, the inner wall of the feeding hopper 2 is fixedly connected with an anti-blocking structure 3, the right side of the anti-blocking structure 3 penetrates through the feeding hopper 2 and extends to the right side of the feeding hopper 2, the top of the inner wall of the external casing 1 is fixedly connected with a guiding hopper 4, the top of the guiding hopper 4 is used in cooperation with the bottom of the feeding hopper 2, the bottom of the guiding hopper 4 is fixedly connected with a spiral discharging pipe 5, the bottom of the spiral discharging 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 external casing 1, the left side of the spiral discharging pipe 5 is provided with an air blowing structure 7, the other side of the air blowing structure 7 penetrates through the right side of the external casing 1, the right side of the guiding hopper 4 is fixedly communicated with a first impurity discharging pipe 8, the right side of the first impurity discharging pipe 8 penetrates through the external casing 1 and extends to the right side of the external casing 1, the right side of the first impurity discharging pipe 10, the right side of the external casing 1 is communicated with a qualified external casing 1, and extends to the right side of the qualified external casing 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 to the top of the external housing 1, an output end of the driving motor 301 is fixedly connected to a transmission shaft 302, the left side of the transmission shaft 302 penetrates through the feeding hopper 2 and extends to the inside of the feeding hopper 2, the surface of the transmission shaft 302 is fixedly connected to a bump 303, the top of the bump 303 is provided with a moving plate 304, the surface of the moving plate 304 is sleeved with a concave ring plate 305, the surface of the concave ring plate 305 is fixedly connected to the inner wall of the feeding hopper 2, the front side and the rear side of the bottom of the moving plate 304 are both fixedly connected to guide pillars 306, and one end of the guide pillars 306, which is far away from the moving plate 304, penetrates through the concave ring plate 305 and extends to the surface of the concave ring plate 305.

Adopt above-mentioned scheme: through setting up anti-blocking structure 3, can be through starting driving motor 301, driving motor 301 drives transmission shaft 302 and rotates, and transmission shaft 302 drives lug 303 and rotates, and lug 303 supports and moves movable plate 304 and removes, and movable plate 304 drives guide post 306 and removes, and guide post 306 plays limiting displacement to movable plate 304, opens and shuts from top to bottom through movable plate 304 and sunken crown plate 305, when can carrying 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 blowing 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 external casing 1, the air inlet end of the exhaust fan 701 is communicated with the outside of the external casing 1, the air outlet end of the exhaust fan 701 is fixedly communicated with a first conduit 702, one end of the first conduit 702 away from the exhaust fan 701 is fixedly communicated with a connector 703, the top and the bottom of the connector 703 are both fixedly communicated with a second conduit 704, one end of the second conduit 704 away from the connector 703 is fixedly communicated with an adjusting shell 705, one side of the adjusting shell 705 close to the inner wall of the external casing 1 is fixedly connected with a support base 706, one side of the support base 706 close to the inner wall of the external casing 1 is fixedly connected with the inner wall of the external casing 1, and the two adjusting shells 705 are respectively communicated with the guide hopper 4 and the sieving box 6.

Adopt above-mentioned scheme: through setting up air blast structure 7, can input the inside to connector 703 through first pipe 702 with the outside air through air exhauster 701, through connector 703 to second pipe 704 input air, then the air blows in the inside that direction fill 4 and screening case 6 through adjusting shell 705, fight 4 tentatively handles light impurity such as dust and rice straw through the direction, screening case 6 directly blows the rice seed, directly blow in the inside of qualified conveyer pipe 10 with the rice seed, reach the mesh of removing dust to the rice seed.

Referring to fig. 2 and 3, an adjusting mechanism 11 is disposed inside the adjusting shell 705, a rear side of the adjusting mechanism 11 penetrates into the adjusting shell 705 and cooperates with the inside of the adjusting shell 705, a screw 12 is disposed on a surface of the supporting seat 706, and a threaded end of the screw 12 penetrates through the supporting seat 706 and extends into the inside of the outer shell 1.

Adopt above-mentioned scheme: 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, conveniently adjust the installation and the dismantlement of shell 705 and supporting seat 706.

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

Adopt above-mentioned scheme: through setting up adjustment mechanism 11, can be through twisting screw 1105, screw 1105 drives bearing 1106 and removes, and bearing 1106 drives connecting rod 1107 and removes, and connecting rod 1107 drives to move the pole 1103 and removes, and the pole 1103 that supports moves baffle 1102 is moved in the support, through the size that two baffles 1102 open and shut, reaches the purpose of control wind-force size to carry out the edulcoration to different rice seeds.

Referring to fig. 4 and 8, one end of the guide post 306 far away from the moving plate 304 is fixedly connected with a limiting block 13, the surface of the limiting block 13 is matched with the surface of the recessed ring plate 305 for use, 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 return spring 15, the surface of the guide post 306 is sleeved with the first return spring 15, the top of the first return spring 15 is fixedly connected with the bottom of the recessed ring plate 305, and the bottom of the first return spring 15 is fixedly connected with the top of the limiting ring 14.

Adopt above-mentioned scheme: through setting up stopper 13, spacing ring 14, first reset spring 15, can the guide post 306 carry on spacingly, avoid the inside that guide post 306 breaks away from sunken crown plate 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, the 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 feeding hopper 2, and the surface of the bump 303 is in contact with the bottom of the moving plate 304.

Adopt above-mentioned scheme: through setting up stabilizing block 16, can effectively increase transmission shaft 302 pivoted stability, play the purpose of supporting transmission shaft 302.

Referring to fig. 5, a second return spring 17 is fixedly connected to both the front side and the rear side of the opposite side of the baffle 1102, one side of the second return spring 17 away from the baffle 1102 is fixedly connected to the inner wall of the adjusting shell 705, and a pushing groove 18 used in cooperation with the pushing rod 1103 is formed in the front side of the baffle 1102.

Adopt above-mentioned scheme: through setting up second reset spring 17, can facilitate the reseing of baffle 1102 to facilitate baffle 1102 and the contact of moving pole 1103, through the setting of propping movable groove 18, can conveniently push to move pole 1103 and drive baffle 1102 through propping movable groove 18 and remove.

Referring to fig. 7, a ventilation plate 19 is disposed on the left side inside the guide hopper 4, the ventilation plate 19 is located at the joint of the adjusting shell 705 and the guide hopper 4, and the left side of the ventilation plate 19 is fixedly connected with the left side of the inner wall of the guide hopper 4.

The scheme is adopted: through setting up ventilation board 19, can conveniently blow into 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 need clear up the dust simultaneously, avoids falling into the inside of adjusting shell 705.

Referring to fig. 6, a spacer block 20 is disposed inside the connector 703, and a surface of the spacer block 20 is fixedly connected to the inside of the connector 703 and is used in cooperation with a first conduit 702 and a second conduit 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 connectors 703, and air can be guided.

Referring to fig. 5, a driving handle 21 is fixedly connected to a front side of the screw 1105, and a surface of the screw 1105 is threadedly connected to an inner portion of the connection housing 1104.

Adopt above-mentioned scheme: through the setting of transmission handle 21, can conveniently drive screw 1105 through transmission handle 21 and rotate, screw 1105 can conveniently connect shell 1104 drive screw 1105 and remove, conveniently carries out the transmission of structure.

The working principle of the invention is as follows:

when the rice seed cleaning machine is used, when a user needs to clean rice seeds, the rice seeds needing to be cleaned are poured into the feeding hopper 2, 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 lug 303 to rotate, the lug 303 supports 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 limits the moving plate 304 to enable the moving plate 304 to move up and down stably, the rice seeds fall down through the up and down opening and closing of the moving plate 304 and the concave ring plate 305, meanwhile, 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 partition block 20, and then the air is blown into 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 size of the two baffles 1102, the guide hopper 4 firstly blows the rice seeds, dust and rice straws in the rice seeds are blown to the first impurity discharging pipe 8 and discharged through the first impurity discharging pipe 8, the rice seeds fall through the spiral discharging pipe 5, the rice seeds slowly and uniformly fall into the sieving box 6, air is blown into the sieving box 6 through the bottom adjusting shell 705, the rice seeds with light weight are blown into the qualified conveying pipe 10, heavy stones or other impurities fall into the bottom of the sieving box 6 and are output outwards through the second impurity discharging pipe 9, the purpose of removing impurities from rice seeds is achieved.

In summary, the following steps: the impurity removing and screening equipment for the rice seeds solves the problem that impurities in the existing rice seeds are not easy to clean by arranging an external shell 1, a feed hopper 2, an anti-blocking structure 3, a driving motor 301, a transmission shaft 302, a bump 303, a moving plate 304, a sunken annular plate 305, a guide column 306, a guide hopper 4, a spiral blanking pipe 5, a screening box 6, an air 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 support seat 706, a first impurity discharging pipe 8, a second impurity discharging pipe 9, a qualified delivery pipe 10, an adjusting mechanism 11, an annular plate 1101, a baffle 1102, a propping 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 propping groove 18, a ventilating plate 19, a separating block 20 and a transmission handle 21 in a matched mode.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rice seed edulcoration screening installation, includes 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), the inner wall of the feed hopper (2) is fixedly connected with an anti-blocking structure (3), 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) for use, the bottom of the guide hopper (4) is fixedly connected with a spiral discharging pipe (5), the bottom of the spiral discharging 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);

a blowing structure (7) is arranged on the left side of the spiral blanking pipe (5), the other side of the blowing structure (7) penetrates through the right side of the outer shell (1), a first impurity discharging pipe (8) is fixedly communicated with the right side of the guide hopper (4), 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 fixed intercommunication in front side of screening case (6) has second row miscellaneous pipe (9), the front side of second row miscellaneous pipe (9) runs through outside casing (1) and extends to the front side of outside casing (1), the fixed intercommunication in right side of screening case (6) has qualified conveyer pipe (10), the right side of qualified conveyer pipe (10) runs through outside casing (1) and extends to the right side of outside casing (1).

2. The rice seed impurity removal screening apparatus according to claim 1, wherein: prevent stifled structure (3) including driving motor (301), the bottom of driving motor (301) and the top fixed connection of outside casing (1), the output fixedly connected with transmission shaft (302) of driving motor (301), the left side of transmission shaft (302) runs through feeder hopper (2) and extends to the inside of feeder hopper (2), the fixed surface of transmission shaft (302) is connected with lug (303), the top of lug (303) is provided with movable plate (304), the surface cover of movable plate (304) is equipped with sunken crown plate (305), the surface of sunken crown plate (305) and the inner wall fixed connection of feeder hopper (2), the equal fixedly connected with guide post (306) of front side and rear side of movable plate (304) bottom, the one end that guide post (306) kept away from movable plate (304) runs through sunken crown plate (305) and extends to the surface of sunken crown plate (305).

3. The rice seed impurity removal screening apparatus according to claim 1, wherein: blast air structure (7) include air exhauster (701), the rear side of air exhauster (701) and the rear side fixed connection of outside casing (1) inner wall, the air inlet end and outside casing (1) outside intercommunication of air exhauster (701), the fixed intercommunication of air-out end of air exhauster (701) has first pipe (702), the fixed intercommunication of one end that air exhauster (701) were kept away from in first pipe (702) has connector (703), the top and the bottom of connector (703) all fixed intercommunication have second pipe (704), the fixed intercommunication of one end that connector (703) were kept away from in second pipe (704) has regulation shell (705), one side fixedly connected with supporting seat (706) that regulation shell (705) are close to outside casing (1) inner wall, one side that supporting seat (706) are close to outside casing (1) inner wall and the inner wall fixed connection of outside casing (1), two regulation shell (705) communicate with direction fill (4) and screening case (6) respectively.

4. The rice seed impurity removal screening apparatus according to claim 3, 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).

5. The rice seed impurity removal and screening device as claimed in claim 4, wherein: adjusting mechanism (11) include 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 who adjusts shell (705), top and bottom on annular plate (1101) right side all are provided with baffle (1102), the front side contact of baffle (1102) has butt moving rod (1103), the front side fixedly connected with connecting shell (1104) of adjusting shell (705), the front side of connecting shell (1104) is provided with screw rod (1105), the rear side of screw rod (1105) runs through connecting shell (1104) and extends to the inside of connecting 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 of butt moving rod (1103) all runs through adjusting shell (705) and with the rear side fixed connection of connecting rod (1107).

6. The rice seed impurity removal screening apparatus according to claim 2, wherein: the utility model discloses a guide post structure, including guide post (306), guide post (304), guide post (306), the one end fixedly connected with stopper (13) of moving plate (304) are kept away from, the surface cooperation of the surface of stopper (13) and sunken crown plate (305) is used, the bottom of stopper (13) is provided with spacing ring (14), the inside of spacing ring (14) is connected with the fixed surface of guide post (306), the top of spacing ring (14) is provided with first reset spring (15), the surface of guide post (306) is located to first reset spring (15) cover, the top of first reset spring (15) and the bottom fixed connection of sunken crown plate (305), the bottom of first reset spring (15) and the top fixed connection of spacing ring (14).

7. The rice seed impurity removal screening apparatus according to claim 2, wherein: the left side cover on transmission shaft (302) surface is equipped with stabilizing block (16), the surface of stabilizing block (16) and the inner wall fixed connection of feeder hopper (2), the bottom contact of the surface of lug (303) and movable plate (304).

8. The rice seed impurity removal and screening device as claimed in claim 5, wherein: the equal fixedly connected with second reset spring (17) in front side and the rear side of the opposite side of baffle (1102), one side and the inner wall fixed connection of adjusting shell (705) that baffle (1102) are kept away from in second reset spring (17), the front side of baffle (1102) is opened and is equipped with and supports moving groove (18) that move pole (1103) cooperation use.