CN219441776U

CN219441776U - Rice mill with two rice milling rollers

Info

Publication number: CN219441776U
Application number: CN202320558013.5U
Authority: CN
Inventors: 王引荣; 张海英; 李智勇; 乔建伟
Original assignee: Yutai Quanli Rice Milling Machinery Co ltd
Current assignee: Yutai Quanli Rice Milling Machinery Co ltd
Priority date: 2023-03-21
Filing date: 2023-03-21
Publication date: 2023-08-01
Anticipated expiration: 2033-03-21

Abstract

The utility model discloses a rice mill with double rice milling rollers, which comprises a rice mill box body with a rice milling space formed inside and a control switch arranged on the box body, wherein a feeding adjusting device which circulates mutually is connected above the rice mill box body through a material accumulating groove which is arranged in a penetrating way, the material accumulating groove is also connected with a blower in a circulating way, one side of the rice mill box body is provided with a driving motor, the driving motor drives three rows of belt pulleys, the three rows of belt pulleys respectively drive a first belt pulley and a second belt pulley, and the first belt pulley and the second belt pulley are respectively connected with grinding rollers arranged in the rice mill box body through a main shaft; the utility model has the processing capacity of multistage grinding operation, ensures the grinding quality, and in addition, ensures the blanking speed by utilizing the blower, thereby preventing the trouble that the blockage needs manual intervention.

Description

Rice mill with two rice milling rollers

Technical Field

The present utility model relates to a rice mill, and more particularly, to a rice mill having two rice milling rolls.

Background

The rice mill is a mechanical device for husking rice hulls, processing brown rice into rice and separating rice, bran and broken rice, and is widely applied to agricultural production;

the existing rice mill generally does not have the processing capability of carrying out multistage grinding and shelling operation on rice, the grain number of unhulled rice is increased, the rice is required to be subjected to screening operation in the later period, secondary impurity doping of the rice is easily caused in the process, the work is troublesome, and moreover, the rice mill is often blocked when feeding, and the rice mill needs to be manually inserted into a feeding hole for stirring, so that the operation is inconvenient;

when the mode is adopted, due to the physical hardness of the rice to be polished, the double rice milling rollers are easy to bend and deform towards the sides far away from each other during long-term operation, so that the service life of the rice milling machine is influenced, and the rice milling machine also has no processing capacity of multistage polishing and shelling operation;

accordingly, the present application provides a rice mill having dual rice milling rolls to solve the above problems.

Disclosure of Invention

In order to solve the defects of the technology, the utility model provides a rice mill with double rice milling rollers.

In order to solve the technical problems, the utility model adopts the following technical scheme: the rice mill comprises a rice mill box body with a rice milling space formed inside and a control switch arranged on the box body, wherein a feeding adjusting device which is communicated with each other is connected above the rice mill box body through a through-arranged accumulation groove, and the accumulation groove is also communicated with a blower;

one side of the rice mill box body is provided with a driving motor, the driving motor drives three rows of belt pulleys and the three rows of belt pulleys drive a first belt pulley and a second belt pulley respectively, and the first belt pulley and the second belt pulley are connected with grinding rollers arranged in the rice mill box body respectively through a main shaft.

Further, the three-row belt pulley comprises an inner layer connecting area, a middle layer connecting area and an outer layer connecting area which are stacked, wherein the diameters of the inner layer connecting area, the middle layer connecting area and the outer layer connecting area are gradually reduced, the inner layer connecting area is in belt transmission with the output end of the driving motor through a third driving belt, and the middle layer connecting area and the outer layer connecting area are respectively in belt transmission with a second belt pulley and a first belt pulley through a second driving belt and a first driving belt.

Further, the first belt pulley is disposed at a position above the waist of the rice mill case, the three rows of belt pulleys are disposed at a position below the waist of the rice mill case and near one side of the driving motor, and the second belt pulley is disposed at a position near the waist of the rice mill case and far from one side of the driving motor.

Further, the outside of the second transmission belt is abutted with a tensioning pulley arranged between the three rows of pulleys and the second pulley through a tensioning pulley mounting frame.

Further, a chaff discharge opening near the grinding roller at the first belt pulley is arranged on one side of the rice mill box body, and the chaff discharge opening penetrates through the inner side and the outer side of the rice mill box body.

Further, a rice discharge hole close to the grinding roller at the second belt pulley is further formed right below the rice husk discharge hole, the rice discharge hole penetrates through the inner side and the outer side of the rice mill box body, and the highest height of the rice discharge hole is lower than that of the second belt pulley.

Further, the discharging directions of the chaff discharging hole and the rice discharging hole are mutually perpendicular to the axial direction of the grinding roller.

Further, the non-spiral tooth segment of the grinding roller is provided with a flat key protruding outwards, and the length extension direction of the flat key is consistent with the axial direction of the grinding roller.

Further, the feeding adjusting device comprises a feeding channel which is in through connection with the accumulation groove, and a stop valve which can control rice to be ground to enter the accumulation groove under the action of gravity is arranged at the joint of the feeding channel and the accumulation groove.

Further, an exhaust outlet matched with the opposite side of the blower is formed in the material accumulating groove.

The utility model discloses a rice mill with double rice milling rollers, wherein the double rice milling rollers are respectively arranged at different heights to form the processing capacity of multi-stage grinding operation from top to bottom, one side of the rice milling roller above the double rice milling rollers is also provided with a rice husk discharging port for discharging rice husk, so that rice husk is prevented from accumulating in a rice milling chamber, the rice milling roller below the double rice milling rollers grinds primarily ground rice again to ensure grinding quality, and in addition, an air blower is used for blowing air with potential energy into a material accumulation groove to enable the blocked rice instead of ground rice to reform a blanking gap, thereby ensuring blanking speed and preventing trouble that manual intervention is needed for blocking.

Drawings

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

Fig. 2 is a schematic view of a grinding roll of the present utility model.

In the figure: 1. a rice mill housing; 2. a control switch; 3. a feed adjustment device; 4. a material accumulating groove; 5. a blower; 6. an exhaust outlet; 7. a driving motor; 8. three rows of pulleys; 9. a first pulley; 10. a second pulley; 11. a first drive belt; 12. a second drive belt; 13. a third drive belt; 14. a tensioning wheel; 15. tensioning wheel mounting frame; 16. a chaff discharge port; 17. a rice discharge port; 18. a feed channel; 19. a stop valve; 20. a grinding roller; 21. and (5) flat keys.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

Referring to fig. 1-2, the present embodiment relates to a rice mill with double rice milling rollers, which performs multi-stage milling and shelling on rice by the double rice milling rollers, reduces the grain number of unhulled rice after milling, omits a subsequent independent screening step, and increases production efficiency while ensuring production quality.

As shown in fig. 1, the embodiment comprises a rice mill box 1 with a rice milling space formed therein and a control switch 2 arranged on the box, wherein a feeding adjusting device 3 which is communicated with each other is connected above the rice mill box 1 through a material accumulating groove 4 which is communicated with each other, the material accumulating groove 4 is also communicated with a blower 5, when a large amount of grinding rice enters the material accumulating groove 4 through the feeding adjusting device 3, the grinding rice is easy to accumulate and cause blanking blockage, and at the moment, the blower 5 blows air with potential energy into the material accumulating groove 4 to form a blanking gap again, so that the blanking speed is ensured and the blockage is prevented.

Preferably, the feeding adjusting device 3 comprises a feeding channel 18 communicated with the accumulation groove 4, a stop valve 19 capable of controlling the rice to be ground to enter the accumulation groove 4 under the action of gravity is arranged at the joint between the feeding channel 18 and the accumulation groove 4, and when the discharging is blocked, the stop valve 19 is manually controlled to close the discharging channel between the feeding channel 18 and the accumulation groove 4, so that the accumulation groove 4 is prevented from being blocked further.

Further, the accumulation groove 4 is provided with an exhaust outlet 6 matched with the opposite side of the blower 5.

In the present embodiment, a driving motor 7 is disposed at one side of the rice mill housing 1, the driving motor 7 drives three rows of belt pulleys 8, the three rows of belt pulleys 8 drive a first belt pulley 9 and a second belt pulley 10 respectively, and the first belt pulley 9 and the second belt pulley 10 are connected with grinding rollers 20 disposed in the rice mill housing 1 respectively through a main shaft drive.

Preferably, the three rows of belt pulleys 8 comprise a belt connecting area with gradually smaller diameters of an inner layer, a middle layer and an outer layer, the inner layer connecting area is in belt transmission with the output end of the driving motor 7 through a third driving belt 13, the middle layer connecting area and the outer layer connecting area are in belt transmission with the second belt pulley 10 and the first belt pulley 9 through a second driving belt 12 and a first driving belt 11 respectively, and it is needless to say that the driving motor 7 is mainly used for outputting power and is of a mature prior art, so that the type is not limited, and the explanation is made.

Further, the first pulley 9 is disposed at a position above the waist of the rice mill housing 1, the three rows of pulleys 8 are disposed at a position below the waist of the rice mill housing 1 and near the driving motor 7 side, and the second pulley 10 is disposed at a position near the waist of the rice mill housing 1 and far from the driving motor 7 side.

Further, the outer side of the second transmission belt 12 is abutted against a tension pulley 14 arranged between the three rows of pulleys 8 and the second pulley 10 through a tension pulley mount 15.

In the embodiment, one side of the rice mill case 1 is provided with a chaff discharge port 16 which is close to a grinding roller 20 at the first belt pulley 9, and the chaff discharge port 16 penetrates through the inner side and the outer side of the rice mill case 1;

a rice discharge hole 17 close to the grinding roller 20 at the second belt pulley 10 is also formed right below the chaff discharge hole 16, the rice discharge hole 17 penetrates through the inner side and the outer side of the rice mill box body 1, and the highest height of the rice discharge hole 17 is lower than the height of the second belt pulley 10;

it should be noted that, be provided with screen cloth (not shown in the drawing) between the grinding roller 20 of first belt pulley 9 department and the grinding roller 20 of second belt pulley 10 department, the aperture of screen cloth is greater than the chaff of waiting to grind the rice, when the grinding roller 20 of first belt pulley 9 department carries out preliminary grinding, the chaff of peeling off is discharged from chaff bin outlet 16, preliminary grinding's rice gets into the grinding space that grinding roller 20 is located of second belt pulley 10 department through the screen cloth, and then carries out secondary grinding to the rice, so multistage grinding guarantees the husk rice quality, wherein, the screen cloth is ripe prior art, not the technical feature that this application needs to protect, therefore does not show.

Preferably, the discharging directions of the chaff discharging hole 16 and the rice discharging hole 17 are mutually perpendicular to the axial direction of the grinding roller 20.

As shown in the schematic view of the grinding roll of fig. 2, the non-helical tooth section of the grinding roll 20 is formed with a flat key 21 protruding outward, the length extension direction of the flat key 21 is identical to the axial direction of the grinding roll 20, the flat key 21 follows rotation with its protrusion to press the rice for shelling, and then the helical tooth section of the grinding roll 20 performs grinding operation for the rice to be ground.

In addition, it is needless to say that, in order to ensure the smooth operation of the rice mill, the control switch 2 is electrically connected with the driving motor 7 to control the driving motor 7 to start and stop.

Therefore, the rice mill with the double rice milling rollers is provided with the processing capacity of multi-stage milling operation from top to bottom, one side of the rice milling roller above the rice milling rollers is also provided with the rice husk discharging port for discharging rice husk, so that the rice husk is prevented from being accumulated in a rice milling chamber, the rice milling roller below the rice milling roller grinds the primarily milled rice again, the milling quality is ensured, in addition, an air blower is used for blowing air with potential energy into a material accumulation groove to reform the blocked rice instead of milled rice into a blanking gap, the blanking speed is ensured, and the trouble that manual intervention is required for blocking is prevented.

The above embodiments are not intended to limit the present utility model, and the present utility model is not limited to the above examples, but is also intended to be limited to the following claims.

Claims

1. A rice mill with double rice milling rollers, comprising a rice mill housing (1) with a rice milling space formed inside and a control switch (2) arranged on the housing, characterized in that: the upper part of the rice mill box body (1) is connected with a feeding adjusting device (3) which is communicated with each other through a material accumulating groove (4) which is communicated with each other, and the material accumulating groove (4) is also communicated with a blower (5);

one side of the rice mill box body (1) is provided with a driving motor (7), the driving motor (7) is used for driving three rows of belt pulleys (8) in a belt mode, the three rows of belt pulleys (8) are used for driving a first belt pulley (9) and a second belt pulley (10) in a belt mode respectively, and the first belt pulley (9) and the second belt pulley (10) are connected with grinding rollers (20) arranged in the rice mill box body (1) through main shafts in a transmission mode respectively.

2. The rice mill with double rice milling rolls according to claim 1, wherein: the three-row belt pulleys (8) comprise a belt connecting area with gradually smaller diameters of an inner layer, a middle layer and an outer layer which are stacked, the inner layer connecting area is in belt transmission with the output end of the driving motor (7) through a third driving belt (13), and the middle layer connecting area and the outer layer connecting area are respectively in belt transmission with a second belt pulley (10) and a first belt pulley (9) through a second driving belt (12) and a first driving belt (11).

3. The rice mill with double rice milling rolls according to claim 2, wherein: the first belt pulley (9) is arranged at a position above the waist of the rice mill box body (1), the three rows of belt pulleys (8) are arranged at a position below the waist of the rice mill box body (1) and close to one side of the driving motor (7), and the second belt pulley (10) is arranged at a position close to the waist of the rice mill box body (1) and far away from one side of the driving motor (7).

4. The rice mill with double rice milling rolls according to claim 2, wherein: the outside of the second transmission belt (12) is abutted with a tensioning wheel (14) which is arranged between the three rows of belt pulleys (8) and the second belt pulley (10) through a tensioning wheel mounting frame (15).

5. The rice mill with double rice milling rolls according to claim 1, wherein: the rice mill comprises a rice mill body (1), and is characterized in that a rice husk discharging opening (16) close to a grinding roller (20) at a first belt pulley (9) is formed in one side of the rice mill body (1), and the rice husk discharging opening (16) penetrates through the inner side and the outer side of the rice mill body (1).

6. The rice mill with double rice milling rolls according to claim 5, wherein: the rice husking machine is characterized in that a rice discharge hole (17) close to a grinding roller (20) at the second belt pulley (10) is further formed under the husk discharge hole (16), the rice discharge hole (17) penetrates through the inner side and the outer side of the rice husking machine box body (1), and the highest height of the rice discharge hole (17) is lower than that of the second belt pulley (10).

7. The rice mill with double rice milling rolls according to claim 6, wherein: the discharging directions of the chaff discharging hole (16) and the rice discharging hole (17) are mutually perpendicular to the axial direction of the grinding roller (20).

8. The rice mill with dual rice milling rolls of claim 7 wherein: the non-spiral tooth section of the grinding roller (20) is provided with a flat key (21) protruding outwards, and the length extension direction of the flat key (21) is consistent with the axial direction of the grinding roller (20).

9. The rice mill with double rice milling rolls according to claim 1, wherein: the feeding adjusting device (3) comprises a feeding channel (18) which is in through connection with the accumulation groove (4), and a stop valve (19) which can control rice to be ground to enter the accumulation groove (4) under the action of gravity is arranged at the joint between the feeding channel (18) and the accumulation groove (4).

10. The rice mill with dual rice milling rolls of claim 9 wherein: the material accumulation groove (4) is provided with an exhaust outlet (6) matched with the opposite side of the blower (5).