CN219441781U

CN219441781U - Rice polishing machine with low broken rice rate

Info

Publication number: CN219441781U
Application number: CN202223053644.6U
Authority: CN
Inventors: 刘欢
Original assignee: Wuhan Tianhe Zhenghan Grain Machinery Equipment Co ltd
Current assignee: Wuhan Tianhe Zhenghan Grain Machinery Equipment Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-08-01
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a rice polishing machine with low broken rice rate, which comprises a box body, wherein the top of the box body is provided with a feeding bin, the bottom of the box body is provided with a discharge hole, and a material guiding assembly is arranged in the feeding bin; the inner top of the box body is obliquely provided with a material guide plate, a polishing assembly is arranged below the material guide plate, the outer side wall of the box body is also provided with an exhaust fan, the exhaust fan penetrates through the box body and is communicated with the polishing assembly, the side wall of the box body is also provided with an air inlet, and the air inlet is communicated with the polishing assembly; the utility model provides a fixed mounting has spray assembly and arranges towards the stock guide on the interior top of box, this application can effectively control rice feed rate through above-mentioned structure to regulate and control the water spray volume, and prolong the contact time between rice and the steam, ensure that the rice surface is covered by little drop of water, thereby ensure the bran powder removal effect on rice surface in the follow-up polishing process, reduce garrulous rice rate.

Description

Rice polishing machine with low broken rice rate

Technical Field

The utility model relates to the technical field of rice processing equipment, in particular to a rice polishing machine with low broken rice rate.

Background

The rice polishing refers to removing bran powder adhered to the surface of the rice, so that the surface of the rice is smooth and clean, and the appearance color of the finished rice is improved. The working principle is that water is atomized into tiny water drops which are adhered to the surface layer of the white rice, and the purpose of removing bran powder to make the white rice smooth is achieved through the friction effect between rice grains and between the rice grains and the screen drum of the polishing roller, and mechanical force and Mi Wensheng effect are generated during polishing, so broken rice is also generated.

The existing rice polishing equipment is used for directly guiding rice to be polished, the input quantity of the rice is not controlled, so that the flow of the rice in the conveying process is unstable, if the feeding quantity is small, the water content on the surface of the rice is easy to be too high, abnormal flow of rice grains can be caused due to too large water content, the pressure in the polishing machine is too large, the crushing is increased, even the phenomenon of 'stuffy car' is caused, if the feeding quantity is large, the rice is accumulated, the polishing of partial rice is incomplete, and the rice yield is low.

Disclosure of Invention

Based on the expression, the utility model provides a rice polishing machine with low broken rice rate, which aims to solve the defects that the input of rice to be polished of the existing rice polishing machine is unstable, the water temperature of the surface of the rice is caused, and the rice yield is low.

The utility model is realized by the following technical scheme:

the rice polishing machine with the low broken rice rate comprises a box body, wherein a feeding bin is arranged at the top of the box body, a discharge hole is formed in the bottom of the box body, and a material guiding assembly is arranged in the feeding bin; the polishing device comprises a box body, wherein a material guide plate is obliquely arranged at the inner top of the box body, a polishing assembly is arranged below the material guide plate, an exhaust fan is further arranged on the outer side wall of the box body, the exhaust fan penetrates through the box body and is communicated with the polishing assembly, an air inlet is further formed in the side wall of the box body, and the air inlet is communicated with the polishing assembly; and a spraying assembly is fixedly arranged on the inner top of the box body and is arranged towards the material guide plate.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the guide assembly is including establishing agitator motor at feeding storehouse top, agitator motor's output shaft is vertical down and be connected with the (mixing) shaft, be equipped with screw thread form's stirring vane on the (mixing) shaft, just stirring vane's size and box open-top's size looks adaptation.

Further, the polishing assembly comprises a coarse polishing cylinder and a fine polishing cylinder which are arranged in the box body at intervals horizontally from top to bottom, polishing shafts are arranged in the coarse polishing cylinder and the fine polishing cylinder, and spiral conveying blades are respectively arranged at two ends of the polishing shafts.

Further, one end of the rough polishing cylinder is provided with an opening, the end part of the material guide plate is fixedly connected to the vicinity of the opening part and used for feeding materials into the rough polishing cylinder, and the other end of the rough polishing cylinder is provided with an outlet and communicated with the end part of the fine polishing cylinder.

Further, the box is provided with a mounting hole on the side wall of the junction of the end part of the coarse polishing cylinder and the end part of the fine polishing cylinder, and the exhaust fan is arranged on the mounting hole and is communicated with the coarse polishing cylinder and the fine polishing cylinder through the exhaust fan.

Further, the air inlet is arranged at one side of the bottom of the box body close to the discharge hole, and the air inlet is communicated with the fine polishing cylinder.

Further, filter screens are arranged in the air inlet and the exhaust pipes of the exhaust fan, and a dust removing filter bag is further arranged at the other end of the exhaust fan.

Further, the spray assembly is a netlike pipeline formed by a plurality of mutually communicated water pipes, an air pipe is further arranged on the netlike pipeline, and the air pipe is respectively communicated with a plurality of atomizing nozzles on the bottom surface of the netlike pipeline.

Further, at least one driving motor is arranged on the outer side of the box body, and the driving motor is used for driving the stirring shaft to rotate.

Compared with the prior art, the technical scheme of the application has the following beneficial technical effects:

according to the rice polishing machine, the rice feeding speed can be controlled through the matching of the material guiding component and the material guiding plate, the conveying speed is more uniform, workers can better match the conveying speed to control the water spraying amount, the contact time between rice and water vapor can be prolonged, the surface of the rice is ensured to be covered by small water droplets, the bran powder removing effect of the surface of the rice in the subsequent polishing process is ensured, the broken rice rate is reduced, the exhaust fan can collect bran powder generated by polishing in the coarse polishing cylinder and drive air in the fine polishing cylinder to flow, the temperature of the rice in the fine polishing cylinder is reduced, the temperature rise of the rice is prevented, the broken rice rate is reduced, the water vapor in the box body is guided, the water vapor moves towards the conveying direction of the rice, and the water rate is further improved; and the device adopts the processing procedure of twice polishing, namely first light polishing and second heavy polishing, and compared with common polishing equipment, the rice surface is cleaner, and the broken rice rate is low.

Drawings

Fig. 1 is a schematic structural diagram of a case in the present embodiment;

FIG. 2 is a cross-sectional view of the case in the present embodiment;

wherein: 1. a case; 2. a feeding bin; 3. a stirring motor; 4. a stirring shaft; 5. a material guide plate; 6. a rough polishing cylinder; 7. a fine polishing cylinder; 8. polishing axis; 9. an exhaust fan; 10. a discharge port; 11. an air inlet; 12. a spray assembly; 13. and driving the motor.

Detailed Description

In order to facilitate an understanding of the present application, a more complete description of the present application will now be provided with reference to the relevant figures. Examples of the present application are given in the accompanying drawings. This application may, however, be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

The utility model provides a combine to show with fig. 1 and 2, a rice burnishing machine of low garrulous rice rate, including box 1, the top of box 1 is equipped with feeding storehouse 2, the bottom still be equipped with discharge gate 10, be equipped with the guide subassembly in the feeding storehouse 2, including establishing the agitator motor 3 at feeding storehouse 2 top, agitator motor 3's output shaft is vertical down and be connected with (mixing) shaft 4, be equipped with the stirring vane of heliciform on the (mixing) shaft 4, and stirring vane's size and box 1 open-top's size looks adaptation, thereby the staff realizes the control to rice input through controlling agitator motor 3's rotational speed, not only easy operation, the feeding is stable, but also can effectively avoid feed inlet department to take place the jam phenomenon.

The inside top slope of box 1 is provided with stock guide 5, the polishing subassembly has been arranged to the below of stock guide 5, polishing subassembly includes coarse polishing section of thick bamboo 6 and the thin polishing section of thick bamboo 7 of upper and lower horizontal interval arrangement in box 1, and coarse polishing section of thick bamboo 6 and thin polishing section of thick bamboo 7 both ends all are with the inside wall fixed connection of box 1, the outside of box 1 is equipped with driving motor 13 and is connected with stirring axle 4 transmission wherein, two stirring axles 4 adopt gear or other transmission parts to connect, and make two transmission shafts do relative motion, all be equipped with polishing axle 8 in coarse polishing section of thick bamboo 6 and the thin polishing section of thick bamboo 7, and the both ends of polishing axle 8 are equipped with helical conveying blade respectively, and carry out the direction through this conveying blade to the rice, the one end fixed connection of coarse polishing section of thick bamboo 6 is used for carrying out the pay-off in the coarse polishing section of thick bamboo 6 nearby the opening part, the other end of coarse polishing section of thick bamboo 6 then is equipped with the export and communicates with the tip of thin section of thick bamboo 7, through the processing procedure of above-mentioned two polishing, can effectually get rid of the surface of rice and grind the surface, make the smooth surface of the garrulous material of the more evenly carried by the even carrier.

The box 1 is located and is equipped with the mounting hole on the lateral wall of thick polishing section of thick bamboo 6 and thin polishing section of thick bamboo 7 tip junction, air exhauster 9 sets up on the mounting hole and communicates with thick polishing section of thick bamboo 6, thin polishing section of thick bamboo 7 through the exhaust column, still be equipped with air inlet 11 on the lateral wall of box 1, air inlet 11 communicates in polishing assembly, air inlet 11 is located the bottom of box 1 and is close to one side arrangement of discharge gate 10, and air inlet 11 communicates in thin polishing section of thick bamboo 7, air exhauster 9 when carrying out the during operation, both can absorb the chaff powder that thick polishing section of thick bamboo 6 friction produced, can make again the air flow in thin polishing section of thick bamboo 7, make the air in the thin polishing section of thick bamboo 7 cool down to the rice, prevent that the temperature rise effect from appearing in the rice, reduce garrulous rice rate, air exhauster 9 can also produce the traction to the steam at top moreover when carrying out the during operation, make steam can remove towards the rice direction of delivery, the contact time between rice and the steam has been prolonged, the effect of dampening is better.

The air inlet 11 is located the other end of thin polishing section of thick bamboo 7 and keeps away from air exhauster 9 and arrange, and air inlet 11 communicates in thin polishing section of thick bamboo 7, all is equipped with the filter screen in the exhaust column of air inlet 11 and air exhauster 9, and the filter screen in the exhaust column is used for preventing that rice from getting into in the exhaust column and leading to the jam, and the filter screen in air inlet 11 is used for preventing that impurity in the external air from mixing into thin polishing section of thick bamboo 7 inside, and the other end of air exhauster 9 still is equipped with the dust removal filter bag, is convenient for carry out concentrated processing with debris such as bran powder that collects.

The spraying component 12 is fixedly installed on the inner top of the box body 1 and is arranged towards the guide plate 5, the spraying component 12 is a netlike pipeline formed by a plurality of mutually communicated water pipes, the netlike pipeline is further provided with an air pipe, the air pipe is respectively communicated with a plurality of atomizing nozzles on the bottom surface of the netlike pipeline, the spraying system is used for atomizing water and inputting the atomized water, the guide component can be effectively matched to form a stable atomizing process, the mixing proportion can be regulated and controlled, and the grain rice production with different water contents can be handled, so that bran powder on the surface of rice grains can be better removed when the coarse polishing cylinder 6 is used for performing head light polishing, and the produced rice surface is cleaner.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; these modifications or substitutions do not depart from the essence of the corresponding technical solutions from the technical solutions of the embodiments of the present utility model.

Claims

1. The rice polishing machine with the low broken rice rate is characterized by comprising a box body (1), wherein a feeding bin (2) is arranged at the top of the box body (1), and a material guiding assembly is arranged in the feeding bin (2); the polishing device is characterized in that a material guide plate (5) is obliquely arranged at the inner top of the box body (1), a polishing assembly is arranged below the material guide plate (5), an exhaust fan (9) is further arranged on the outer side wall of the box body (1), the exhaust fan (9) penetrates through the box body (1) and is communicated with the polishing assembly, an air inlet (11) is further formed in the side wall of the box body (1), and the air inlet (11) is communicated with the polishing assembly; the spraying assembly (12) is fixedly mounted on the inner top of the box body (1) and faces the material guide plate (5), and a discharge hole (10) is further formed in the bottom of the box body (1).

2. The rice polishing machine with low broken rice rate according to claim 1, wherein the material guiding assembly comprises a stirring motor (3) arranged at the top of the feeding bin (2), an output shaft of the stirring motor (3) faces downwards vertically and is connected with a stirring shaft (4), a threaded stirring blade is arranged on the stirring shaft (4), and the size of the stirring blade is matched with the size of the top opening of the box body (1).

3. The rice polishing machine with low rice breakage rate according to claim 1, wherein the polishing assembly comprises a coarse polishing cylinder (6) and a fine polishing cylinder (7) which are horizontally arranged in a box body (1) at intervals from top to bottom, polishing shafts (8) are arranged in the coarse polishing cylinder (6) and the fine polishing cylinder (7), and spiral conveying blades are respectively arranged at two ends of the polishing shafts (8).

4. A rice polishing machine with low rice breakage rate according to claim 3, wherein one end of the coarse polishing cylinder (6) is provided with an opening, the end of the material guiding plate (5) is fixedly connected near the opening for feeding the coarse polishing cylinder (6), and the other end of the coarse polishing cylinder (6) is provided with an outlet and is communicated with the end of the fine polishing cylinder (7).

5. A rice polishing machine with low rice breakage rate according to claim 3, wherein the side wall of the box body (1) at the connection part of the end part of the coarse polishing cylinder (6) and the end part of the fine polishing cylinder (7) is provided with a mounting hole, and the exhaust fan (9) is arranged on the mounting hole and is communicated with the coarse polishing cylinder (6) and the fine polishing cylinder (7) through the exhaust fan.

6. A rice polishing machine with low broken rice rate according to claim 1, wherein the air inlet (11) is arranged at one side of the bottom of the box body (1) close to the discharge port (10), and the air inlet (11) is communicated with the fine polishing cylinder (7).

7. The rice polishing machine with low broken rice rate according to claim 6, wherein the air inlet (11) and the exhaust pipe of the exhaust fan (9) are respectively provided with a filter screen, and the other end of the exhaust fan (9) is also provided with a dedusting filter bag.

8. The rice polishing machine with low rice breakage rate according to claim 1, wherein the spraying assembly (12) is a net-shaped pipeline formed by a plurality of mutually communicated water pipes, and the net-shaped pipeline is further provided with air pipes which are respectively communicated with a plurality of atomizing nozzles on the bottom surface of the net-shaped pipeline.

9. A rice polishing machine with low rice breakage rate according to claim 2, characterized in that at least one driving motor (13) is arranged on the outer side of the box body (1), and the driving motor (13) is used for driving the stirring shaft (4) to rotate.