CN203170371U

CN203170371U - Rice polishing machine

Info

Publication number: CN203170371U
Application number: CN 201320043278
Authority: CN
Inventors: 王君
Original assignee: WUHAN KINKE FOOD MACHINERY CO Ltd
Current assignee: WUHAN KINKE FOOD MACHINERY CO Ltd
Priority date: 2013-01-28
Filing date: 2013-01-28
Publication date: 2013-09-04
Anticipated expiration: 2023-01-28

Abstract

The utility model relates to a rice polishing machine which comprises a fan (8). Filler strips (15) are fixed on beams (14). A feeding opening (1) is communicated into the head end above a thruster (10) and a discharging opening (6) is arranged in the tail end below a polishing chamber (21). Nozzles (18) are connected with the end portion of a pressure air pipe (3) and the end portion of a water filling pipe (26). The nozzles (18) penetrate through the upper beam (14) and the filler strip (15) and are communicated into the polishing chamber (21). The length of a polishing roller (11) ranges from 1000mm to 2000mm and the outer diameter of the polishing roller (11) ranges from 150mm to 190mm. The rice polishing machine overcomes the defects that an existing rice polishing machine is not even in dampening manner and little in productivity and often breaks rice. The rice polishing machine has the advantages of being even in dampening manner, low in rate of broken rice and large in productivity.

Description

The rice polishing machine

Technical field

The utility model relates to a kind of grain machinery, and more particularly it is a kind of rice polishing machine for rice processing.

Background technology

The rice polishing machine that grain of rice surface is carried out grinding and polishing is very extensive in the sector application of grain machine, the huge market demand.It by frame as support, a main shaft passes across frame, propeller and polishing roll are housed on the main shaft, this forms the rotating part of machine, in the outside of polishing roll sieve plate and screen frame (unit) are housed, the center of screen frame (unit) and the centres of main shaft, space between polishing roll and the sieve plate forms polishing room, want polished rice to enter polishing room by charging aperture, rice rolls in polishing room, pushes, under the interaction between sieve plate and the rice, between rice and the rice, between rice and the polishing roll, rice surface is thrown good rice and is discharged from discharging opening by grinding and polishing.When rice is polished in polishing room, water to polishing room, strengthen the effect of polishing, improve surface smoothness and the brightness of rice.In use there are the following problems for existing polishing machine: 1.. and the water device and be installed in the main shaft, main water injection pipe is installed in the feed end of main shaft, discharge chamber is installed auxilliary water injection pipe, main water injection pipe is sprayed by nozzle after being mixed by tracheal pressure and water injection pipe again, only water by a main water injection pipe nozzle and an auxilliary water injection pipe nozzle, the middle part rate of water added of this water mode main shaft is bigger than normal, makes the rice bran of middle part of main shaft moist, blocks the eyelet on the sieve plate easily; The rate of water added at two ends is less, and two ends are relatively drier, though two ends row's chaff is easy, the polishing effect of rice is bad.Water by the air vent on the main shaft and the ventilation slot on the polishing roll to the rice in the polishing room, the water device in the polishing room the power of water be the outside suction of blower fan, facts have proved that this water mode can cause the water inequality, the water inequality and can cause local row's chaff not smooth, easily produce and crack rice.2.. output is little, can not satisfy the production demand of rice processing factory, length on the existing rice polishing machine is shorter, think to people's prejudice, owing to rice rolls in polishing room, pushes, if the length of polishing roll is long, the movement travel meeting of rice in polishing roll strengthens, be easy to generate and crack rice, and the price of cracking rice only is the rice price half, therefore can have a strong impact on the quality of rice.Counterbore is arranged on the filler strip, cause uneven on the filler strip, also be easy to generate and crack rice.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned existing disadvantages of background technology part, and a kind of rice polishing machine is provided, and it is big that it has output, and broken rice rate is low, roll banding, and stifled chaff uses easy to maintenancely, significantly improves polishing efficiency.

The purpose of this utility model reaches by following measure: the rice polishing machine, it comprises blower fan, described blower fan and bran-collecting bucket UNICOM, there is motor to place in the frame, main shaft is along the frame lateral arrangement, motor is connected with main shaft by belt pulley, main shaft is the tubular structure of hollow, spindle jacket is equipped with propeller and polishing roll, have ventilation slot at polishing roll, space between polishing roll and sieve plate is polishing room, sieve plate is fixed on the screen frame (unit), and fixedly there is filler strip at the two ends of sieve plate by being bolted on the crossbeam on the crossbeam, charging aperture feeds the head end of propeller top, discharging opening is positioned at the end of polishing room below, it is characterized in that being connected with nozzle in the end of tracheal pressure and water injection pipe, and crossbeam and filler strip that described nozzle passes the upper end feed in the polishing room, the length of described polishing roll is 1000-2000mm, and the external diameter of polishing roll is 150-190mm.

In technique scheme, described crossbeam is fixed on the filler strip by weld bolt.

In technique scheme, described screen frame (unit) is spliced by two-five monomers.

In technique scheme, the length of described polishing roll is 1900mm, and the external diameter of polishing roll is 177mm.

In technique scheme, the section of described screen frame (unit) is the octagon structure, and the circumscribed circle diameter of octagon structure is 222 mm, and inscribed circle diameter is 200 mm.

The utlity model has following advantage: 1. changing the water mode, make the water homogeneous and controllable, to the water position separates with row's chaff position, a plurality of nozzles are directly installed on the crossbeam, each nozzle works alone, and is big at the feed end rate of water added of main shaft, and the spacing distance that adjacent nozzle is installed is little, discharge end rate of water added at main shaft is little, and the spacing distance that adjacent nozzle is installed is big.Make rice surface form the gelatinization layer, strengthen the effect of polishing, the fineness and the brightness that have improved rice surface.2. strengthen external diameter and the length of polishing roll, strengthen the size of sieve plate and screen frame (unit) simultaneously, improved the internal volume of polishing room, can improve output; 3. combined type is made in screen frame (unit) segmentation, can alleviate single-piece weight, and mounting or dismounting are convenient; 4. the counterbore on the cancellation filler strip is used weld bolt instead, can reduce and crack rice.Also improved simultaneously the polishing rate of rice by above improvement.

Description of drawings

Fig. 1 is the structural representation of existing polishing machine.

Fig. 2 is the side structure schematic diagram of Fig. 1.

Fig. 3 is the profile of polishing room in the existing polishing machine.

Fig. 4 is the A-A cutaway view of Fig. 3.

Fig. 5 is the cutaway view of polishing room in the utility model polishing machine.

Fig. 6 is the structural representation of screen frame (unit) in the utility model polishing machine.

Fig. 7 is the syndeton schematic diagram of former crossbeam and filler strip.

Fig. 8 is B-B cutaway view of Fig. 7.

Fig. 9 is the structure enlarged drawing of I part among Fig. 8.

Figure 10 is the syndeton schematic diagram of the utility model middle cross beam and filler strip.

Figure 11 be in the utility model the structural representation of water device.

1. charging apertures among the figure, 2. frame, 3. tracheal pressure, 4. belt pulley, 5. motor, 6. discharging opening, 7. bran-collecting bucket, 8. blower fan, 9. main shaft, 10. propeller, 11. polishing rolls, 12. screen frame (unit)s, 13. sieve plate, 14. crossbeams, 15. filler strips, 16. auxilliary water injection pipe, 17. main water injection pipes, 18. nozzles, 19. ventilation slot, 20. air vents, 21. polishing room, 22. rice, 23. nuts, 24. dormant bolts, 25. weld bolt, 26. water injection pipes, the length of L. polishing roll, D. the external diameter of polishing roll, the difference in height between H. counterbore and the filler strip.

The specific embodiment

Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to restriction of the present utility model, only do for example.Simultaneously by illustrating that advantage of the present utility model will become clear more and understanding easily.

Consult accompanying drawing as can be known: the utility model rice polishing machine, it comprises blower fan 8, described blower fan 8 and bran-collecting bucket 7 UNICOMs, there is motor 5 to place in the frame 2, main shaft 9 is along frame 2 lateral arrangement, motor 5 is connected with main shaft 9 by belt pulley 4, main shaft 9 is the tubular structure of hollow, main shaft 9 outer propeller 10 and the polishing rolls 11 of being set with, have ventilation slot 19 at polishing roll 11, space between polishing roll 11 and sieve plate 13 is polishing room 21, sieve plate 13 is fixed on the screen frame (unit) 12, and fixedly there is filler strip 15 at the two ends of sieve plate 13 by being bolted on the crossbeam 14 on the crossbeam 14, charging aperture 1 feeds the head end of propeller 10 tops, discharging opening 6 is positioned at the end of polishing room 21 belows, it is characterized in that being connected with nozzle 18 in the end of tracheal pressure 3 and water injection pipe 26, and described nozzle 18 passes entablature 14 and filler strip 15 feeds in the polishing room 21, the length of described polishing roll 11 is 1000-2000mm, and the external diameter of polishing roll 11 is 150-190mm.Described crossbeam 14 is fixed on the filler strip 15 by weld bolt 25.

Described screen frame (unit) 12 is spliced by two-five monomers.This structure is easy for installation and removal, and overhauls more convenient.

The length of described polishing roll 11 is 1900mm, and the external diameter of polishing roll 11 is 177mm.After tested, the broken rate that increases of this size rice of polishing roll does not change, and this is of a size of the most preferred embodiment of polishing roll.

The section of described screen frame (unit) 12 is the octagon structure, and the circumscribed circle diameter of octagon structure is 222 mm, and inscribed circle diameter is 200 mm.The octagon structure is compared than circular configuration, has increased the frequency that rice rolls in polishing room, pushes and collide, and has improved the polishing effect of rice.

The course of work of the present utility model is as follows: motor 5 work, drive main shaft 9 rotations by belt pulley 4, thereby drive polishing roll 11 rotations, rice enters propeller 9 by charging aperture 1, enter polishing room 21 through propeller 9 again, rice rolls in polishing room, pushes, under the interaction between sieve plate and the rice, between rice and the rice, between rice and the polishing roll, rice surface is thrown good rice and is discharged from discharging opening by grinding and polishing.When rice is polished in polishing room, be fixed on nozzle 18 on the entablature 14 and spray into the press water of atomizing by tracheal pressure 3 and water injection pipe 26 in the polishing room, the rice bran that rice surface polishing back forms, because the negative pressure that blower fan 8 outside exhausting produce, wind-force is entered in the main shaft 9 by the two ends of main shaft 9, enter polishing room by the air vent 20 on the main shaft 9 and the ventilation slot 19 on the polishing roll 11 again, the chaff powder that polishing room dishes out is entering bran-collecting bucket 7 by the hole on the sieve plate 13 under the effect of wind-force, wind-force compiles rice bran by bran-collecting bucket 7, and by outside the blower fan shedder, the rice after the surface finish is collected by discharging opening 6.

The utility model increases the size of sieve plate 13 and screen frame (unit) 12 simultaneously by increasing length L and the diameter D of polishing roll 11, has significantly improved the output of polishing machine.

The utility model has been made into screen frame (unit) 12 sectionally assembled by integral body, alleviated single-piece weight, and mounting or dismounting easily.

The utility model is by connecting original crossbeam 14 and filler strip 15 by dormant bolt 24, because the counterbore on the filler strip 15 and the countersunk head of dormant bolt 24 are difficult for guaranteeing that one is flat, the countersunk head of dormant bolt or raised or sunken, in the process of processing rice, easily produce and crack rice, use weld bolt 25 now instead, weld bolt 25 directly is welded on the filler strip 15, no longer beat counterbore on the filler strip 15, avoided uneven on the filler strip 15, eliminated producing the possibility of cracking rice.

The purpose of water is in order to make rice surface form the gelatinization layer, to strengthen the effect of polishing, and original water mode is inhomogeneous because of water, has influenced fineness and the brightness of rice, has reduced class and the quality of rice.The utility model changes the horizontal spraying of original two nozzles the downward spraying of a plurality of nozzles into, and the water smoke of nozzle 18 ejections enters polishing room through air vent 20 and ventilation slot 19 in original polishing machine under the negative pressure pulling of blower fan 8; Because negative pressure pulls to the centre of main shaft with water, causes polishing room the water inequality, the effect of influence polishing, main water injection pipe 17 and auxilliary water injection pipe 16 have also taken the interior sky of main shaft 9 simultaneously, have reduced the air quantity that enters main shaft, influence row chaff.The utility model is installed in a plurality of nozzles 18 on the crossbeam 14, directly water to polishing room, both can control the position of water, also control rate of water added easily, it is even to have guaranteed that polishing room water, the air intake quantitative change of main shaft simultaneously is big, and row's chaff effect obviously improves, and the polishing efficiency of rice is largely increased.

Through contrast test, the utility model has improved fineness and the brightness of rice surface, simultaneously the rice of original polishing machine is increased broken rate and is reduced to 1.5% by 3%.Improve quality and the class of rice, improved the benefit of enterprise simultaneously.

Claims

1. rice polishing machine, it comprises blower fan (8), described blower fan (8) and bran-collecting bucket (7) UNICOM, there is motor (5) to place in the frame (2), main shaft (9) is along frame (2) lateral arrangement, motor (5) is connected with main shaft (9) by belt pulley (4), main shaft (9) is the tubular structure of hollow, outer propeller (10) and the polishing roll (11) of being set with of main shaft (9), have ventilation slot (19) at polishing roll (11), space between polishing roll (11) and sieve plate (13) is polishing room (21), sieve plate (13) is fixed on the screen frame (unit) (12), the two ends of sieve plate (13) are by being bolted on the crossbeam (14), crossbeam (14) is gone up fixedly filler strip (15), charging aperture (1) feeds the head end of propeller (10) top, discharging opening (6) is positioned at the end of polishing room (21) below, it is characterized in that being connected with nozzle (18) in the end of tracheal pressure (3) and water injection pipe (26), described nozzle (18) passes entablature (14) and filler strip (15) feeds in the polishing room (21), the length of described polishing roll (11) is 1000-2000mm, and the external diameter of polishing roll (11) is 150-190mm.

2. rice polishing machine according to claim 1 is characterized in that described crossbeam (14) is fixed on the filler strip (15) by weld bolt (25).

3. rice polishing machine according to claim 1 and 2 is characterized in that described screen frame (unit) (12) is spliced by two-five monomers.

4. rice polishing machine according to claim 3, the length that it is characterized in that described polishing roll (11) is 1900mm, the external diameter of polishing roll (11) is 177mm.

5. rice polishing machine according to claim 4, the section that it is characterized in that described screen frame (unit) (12) is the octagon structure, and the circumscribed circle diameter of octagon structure is 222 mm, and inscribed circle diameter is 200 mm.