CN219464004U

CN219464004U - Rice screening machine

Info

Publication number: CN219464004U
Application number: CN202320387094.7U
Authority: CN
Inventors: 荣仕勇; 荣海声
Original assignee: Guangxi Chongzuo Rongxin Tiancheng Grain And Oil Co ltd
Current assignee: Guangxi Chongzuo Rongxin Tiancheng Grain And Oil Co ltd
Priority date: 2023-03-06
Filing date: 2023-03-06
Publication date: 2023-08-04
Anticipated expiration: 2033-03-06

Abstract

The utility model discloses a rice screening machine, which comprises a machine case, wherein the front side of the machine case is rotationally connected with a baffle, a screening mechanism is arranged in the machine case, a driving mechanism connected with the screening mechanism is arranged in the machine case, a dust removing mechanism extending into the machine case is arranged on the left side of the machine case, and the dust removing mechanism comprises: the dust collecting device comprises a suction fan, a main body pipe, annular pipes, air inlet nozzles, a dust collecting box, a dust filter screen and an air outlet, wherein the suction fan is arranged on the outer side of a machine case, an air inlet of the suction fan is connected with the main body pipe, the number of the annular pipes is three, the three annular pipes are connected with the main body pipe, a plurality of air inlet nozzles are arranged in each annular pipe, an air outlet of the suction fan is connected with the dust collecting box, the dust filter screen is arranged in the dust collecting box, and the air outlet is arranged on the dust collecting box on the left side of the dust filter screen. The utility model has the advantages of convenient rice screening, convenient dust cleaning generated during screening and air pollution prevention by dust.

Description

Rice screening machine

Technical Field

The utility model relates to the field of rice processing, in particular to a rice screening machine.

Background

Rice, also known as rice, is a food prepared from rice by the steps of cleaning, hulling, milling, finishing, and the like. Rice is a major food for people in most areas of china.

Chinese patent CN 213103197 discloses a full-automatic rice screening machine, including frame and casing, the inside of frame is provided with the sieve, and the below of frame is provided with first spring, the end-to-end connection of frame has the bull stick, and the surface of bull stick is provided with the mobile, the front end of frame is provided with the application of force axle, and the surface of application of force axle is connected with the application of force pole, the end-to-end connection of application of force pole has the connecting axle, and the end-to-end connection of connecting axle has the carousel, the surface of carousel is connected with the belt, and the end-to-end connection of belt has the motor, the below of first spring is provided with the skip, and the left side of skip is provided with electric putter, the casing is located the outside of skip.

The above-mentioned patent sieves rice through the vibration of sieve, can raise the dust of mixing in the rice during vibration, and still record in the working principle of above-mentioned patent can blow away the dust in the rice through the fan that sets up during last unloading, but, above-mentioned patent does not have dust collector, this can lead to by the dust of raising can drift outside air through the feed inlet in, cause dust pollution, consequently, to above current situation, the urgent need develop a dust clearance convenience that produces when sieving rice, prevent the dust to pollute the air sieve rice machine, in order to overcome the not enough in the current practical application, satisfy current demand.

Disclosure of Invention

The utility model aims to provide a rice screening machine for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a rice screening machine, includes the quick-witted case, the front side of machine case rotates the connection baffle, screening mechanism is installed to the quick-witted incasement, the actuating mechanism who links to each other with screening mechanism is installed to the quick-witted incasement, the dust removal mechanism who extends to its inside is installed in the left side of machine case, dust removal mechanism includes: the dust collector comprises a suction fan, a main body pipe, annular pipes, air inlet nozzles, dust collection boxes, dust filter screens and air outlets, wherein the suction fan is arranged on the outer side of a case, an air inlet of the suction fan is connected with the main body pipe, the number of the annular pipes is three, the annular pipes are connected with the main body pipe, a plurality of the air inlet nozzles are arranged in each annular pipe, the air outlets of the suction fan are connected with the dust collection boxes, the dust filter screens are arranged in the dust collection boxes, and the air outlets are arranged on the dust collection boxes on the left sides of the dust filter screens.

As a further scheme of the utility model: the screening mechanism includes: the screening device comprises a first screening box, a second screening box, a bottom shell, an adapter plate, a first screening hole and a second screening hole, wherein the first screening box, the second screening box and the bottom shell are arranged in a machine box from top to bottom, the first screening box, the second screening box and the bottom shell are all fixed with the inner wall of the machine box through the adapter plate, the first screening hole is formed in the first screening box, and the second screening hole is formed in the second screening box.

As still further aspects of the utility model: the first screening hole has a larger size than the second screening hole.

As still further aspects of the utility model: the three annular pipes are respectively positioned at the upper sides of the first screening box, the second screening box and the bottom shell.

As still further aspects of the utility model: the driving mechanism includes: the novel screening machine comprises a motor, a first rotating shaft, a rotating disc, a ball head, springs, a second rotating shaft, scraping plates, synchronous wheels and a synchronous belt, wherein the motor is fixed at the bottom end of the inside of a chassis, an output shaft of the motor is connected with the first rotating shaft, the side faces of the first screening box and the second screening box are respectively provided with a rotating disc, the rotating discs are fixed on the first rotating shaft, each rotating disc is provided with a plurality of ball heads, the ball heads are elastically connected with the rotating discs through springs, the second rotating shaft is rotationally connected in the chassis, the second rotating shaft penetrates through the first screening box, the second screening box and the bottom shell, scraping plates fixed with the second rotating shaft are arranged in the first screening box and the second screening box, the lower ends of the first rotating shaft and the second rotating shaft are respectively provided with a synchronous wheel, and the two synchronous wheels are in transmission connection through the synchronous belt.

The beneficial effects are that: when the rice screening machine is used, firstly, the baffle is combined on the machine case, rice is added into the screening mechanism from the feed inlet, rice grains enter the first screening box firstly, primary screening is carried out through the first screening holes, then smaller rice grains fall into the second screening box, secondary screening is carried out through the second screening holes, crushed rice grains fall into the bottom shell through the second screening holes and are collected, the first rotating shaft and the second rotating shaft are driven to rotate through the motor, the turntable and the ball head are driven to rotate through the first rotating shaft, the first screening box and the second screening box are knocked through the ball head, vibration is generated by the first screening box and the second screening box, rice grains are screened, meanwhile, the second rotating shaft drives the scraping plate to push the rice grains in the first screening box and the second screening box, and screening speed is improved; when the rice grains fall down from top to bottom, the air suction is performed through the air suction fan, dust at different heights is absorbed through the three annular pipes, then, the dust is discharged into the dust collection box through the air suction fan, the dust is filtered through the dust filter screen, and the air is discharged from the air outlet. In conclusion, the utility model is convenient for screening rice, and convenient for cleaning dust generated during screening, and prevents dust from polluting air.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 3 is an internal view of the chassis of the present utility model.

Fig. 4 is a perspective view of the dust removing mechanism in the present utility model.

Fig. 5 is an internal cross-sectional view of the dust box of the present utility model.

Fig. 6 is a schematic diagram of a portion of the structure of the present utility model.

Fig. 7 is a schematic diagram of a portion of the structure of the present utility model.

In the figure: 1. a chassis; 101. a feed inlet; 2. a baffle; 201. a handle; 3. a dust removing mechanism; 301. a suction fan; 302. a main body tube; 303. an annular tube; 304. an air inlet nozzle; 305. a dust collection box; 306. a dust filter screen; 307. an air outlet; 4. a screening mechanism; 401. a first screening box; 402. a second screening box; 403. a bottom case; 404. an adapter plate; 405. a first screening well; 406. a second screening well; 5. a driving mechanism; 501. a motor; 502. a first rotating shaft; 503. a turntable; 504. ball head; 505. a spring; 506. a second rotating shaft; 507. a scraper; 508. a synchronizing wheel; 509. a synchronous belt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 7, in the embodiment of the utility model, a rice screening machine includes a machine case 1, a feeding port 101 is provided at the top of the machine case 1, a baffle 2 is rotatably connected to the front side of the machine case 1, the baffle 2 is rotatably connected to the machine case 1 through a hinge, a handle 201 is provided on the baffle 2, a screening mechanism 4 is installed in the machine case 1, a driving mechanism 5 connected to the screening mechanism 4 is installed in the machine case 1, a dust removing mechanism 3 extending into the machine case 1 is installed at the left side of the machine case 1, when in use, the baffle 2 is first combined to the machine case 1 to prevent dust from scattering, rice is added into the screening mechanism 4 from the feeding port 101, rice grains of different sizes are separated by mutually matching the screening mechanism 4 and the driving mechanism 5, dust and small particle impurities mixed in the rice are sucked away by the dust removing mechanism 3, and after screening is finished, the baffle 2 is opened, and the rice in the screening mechanism 4 is taken out by a tool;

the screening mechanism 4 includes: the rice grains enter the first screening box 401, are screened once through the first screening hole 405, then, smaller rice grains fall into the second screening box 402, are screened twice through the second screening hole 406, and are collected after falling into the bottom shell 403 through the second screening hole 406;

the driving mechanism 5 includes: the motor 501 is fixed at the inner bottom end of the chassis 1, the output shaft of the motor 501 is connected with the first rotating shaft 502, the side surfaces of the first screening box 401 and the second screening box 402 are respectively provided with a rotating disc 503, the rotating discs 503 are fixed on the first rotating shaft 502, a plurality of ball heads 504 are arranged on each rotating disc 503, the ball heads 504 are elastically connected with the rotating discs 503 through springs 505, the second rotating shaft 506 is rotatably connected in the chassis 1, the second rotating shaft 506 penetrates through the first screening box 401, the second screening box 402 and the bottom shell 403, the first screening box 401 and the second screening box 402 are internally provided with a scraping plate 507 fixed with a second rotating shaft 506, the lower ends of the first rotating shaft 502 and the second rotating shaft 506 are respectively provided with a synchronous wheel 508, the two synchronous wheels 508 are in transmission connection through a synchronous belt 509, when the novel rice screening machine is used, the first rotating shaft 502 and the second rotating shaft 506 are driven to rotate through a motor 501, the turntable 503 and the ball head 504 are driven to rotate through the first rotating shaft 502, the first screening box 401 and the second screening box 402 are knocked through the ball head 504, so that the first screening box 401 and the second screening box 402 generate vibration to screen rice grains, and meanwhile, the scraping plate 507 is driven through the second rotating shaft 506 to push the rice grains in the first screening box 401 and the second screening box 402, so that screening speed is improved;

the dust removing mechanism 3 includes: the dust collector comprises a suction fan 301, a main body pipe 302, annular pipes 303, air inlet nozzles 304, dust boxes 305, a dust filter screen 306 and an air outlet 307, wherein the suction fan 301 is arranged on the outer side of a machine case 1, an air inlet of the suction fan 301 is connected with the main body pipe 302, the number of the annular pipes 303 is three, the annular pipes 303 are respectively positioned on the upper sides of the first screening box 401, the second screening box 402 and a bottom shell 403, the three annular pipes 303 are connected with the main body pipe 302, a plurality of air inlet nozzles 304 are arranged in each annular pipe 303, an air outlet of the suction fan 301 is connected with the dust boxes 305, the dust filter screen 306 is arranged in each dust box 305, and when the dust collector is used, grains drop downwards from top to suck dust through the suction fan 301, dust with different heights is discharged into the dust boxes 305 through the three annular pipes 303, dust is filtered out through the dust filter screen 306, and the air is discharged from the air outlet 307.

The working principle of the utility model is as follows: when the rice screening machine is used, firstly, the baffle plate 2 is combined onto the machine case 1, rice is added into the screening mechanism 4 from the feed inlet 101, rice grains firstly enter the first screening box 401, are screened once through the first screening holes 405, then smaller rice grains fall into the second screening box 402, are screened twice through the second screening holes 406, crushed rice grains fall into the bottom shell 403 through the second screening holes 406 and are collected, the motor 501 drives the first rotating shaft 502 and the second rotating shaft 506 to rotate, the first rotating shaft 502 drives the turntable 503 and the ball head 504 to rotate, the ball head 504 knocks the first screening box 401 and the second screening box 402, so that the first screening box 401 and the second screening box 402 vibrate, the rice grains are screened, and meanwhile, the second rotating shaft 506 drives the scraper 507 to push the rice grains in the first screening box 401 and the second screening box 402, so that the screening speed is improved; when the rice grains fall down from top to bottom, the suction fan 301 sucks air, the three annular pipes 303 absorb dust at different heights, then the suction fan 301 discharges the dust into the dust box 305, the dust is filtered out by the dust filter screen 306, and the air is discharged from the air outlet 307.

Claims

1. A rice screening machine which is characterized in that: including quick-witted case (1), the front side of machine case (1) rotates connecting baffle (2), install screening mechanism (4) in machine case (1), install in machine case (1) drive mechanism (5) that link to each other with screening mechanism (4), dust removal mechanism (3) that extend to its inside are installed in the left side of machine case (1), dust removal mechanism (3) include: suction fan (301), main part pipe (302), annular pipe (303), air inlet nozzle (304), dust collection box (305), dust filter screen (306) and gas outlet (307), the outside in quick-witted case (1) is installed to suction fan (301), the air inlet and the main part pipe (302) of suction fan (301) link to each other, the quantity of annular pipe (303) is three annular pipe (303) all link to each other with main part pipe (302), every all be provided with a plurality of air inlet nozzles (304) in annular pipe (303), the gas vent of suction fan (301) links to each other with dust collection box (305), be provided with dust filter screen (306) in dust collection box (305), the left side of dust filter screen (306) is provided with gas outlet (307) on dust collection box (305).

2. The rice screening machine of claim 1, wherein: the screening mechanism (4) comprises: first screening case (401), second screening case (402), drain pan (403), keysets (404), first screening hole (405) and second screening hole (406), first screening case (401), second screening case (402) and drain pan (403) are arranged in quick-witted case (1) from last to lower, first screening case (401), second screening case (402) and drain pan (403) are all fixed with the inner wall of quick-witted case (1) through keysets (404), be provided with first screening hole (405) in first screening case (401), be provided with second screening hole (406) in second screening case (402).

3. The rice screening machine of claim 2, wherein: the first screening hole (405) has a larger size than the second screening hole (406).

4. The rice screening machine of claim 2, wherein: the three annular pipes (303) are respectively arranged on the upper sides of the first screening box (401), the second screening box (402) and the bottom shell (403).

5. The rice screening machine of claim 2, wherein: the drive mechanism (5) comprises: the utility model provides a synchronous machine, including motor (501), first pivot (502), carousel (503), bulb (504), spring (505), second pivot (506), scraper blade (507), synchronizing wheel (508) and hold-in range (509), motor (501) are fixed in the inside bottom of quick-witted case (1), the output shaft of motor (501) links to each other with first pivot (502), all be provided with a carousel (503) in the side of first screening case (401) and second screening case (402), carousel (503) are fixed in on first pivot (502), every all install a plurality of bulbs (504) on carousel (503), bulb (504) pass through spring (505) and carousel (503) elastic connection, second pivot (506) rotate and are connected in quick-witted case (1), second pivot (506) run through first screening case (401), second screening case (402) and drain pan (403), all be provided with one in first screening case (401) and second screening case (402) with second scraper blade (506) looks fixed first pivot (508) and synchronous wheel (508) are all installed down, the two synchronous wheels (508) are in transmission connection through a synchronous belt (509).