CN203170368U

CN203170368U - Rice milling chamber of rice milling machine

Info

Publication number: CN203170368U
Application number: CN 201320043538
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 milling chamber of a rice milling machine. The rice milling chamber of the rice milling machine comprises a main shaft (9) which is of a hollow tubular structure. Vents (8) are formed in the main shaft (9). An emery roller (4) is arranged outside the main shaft (9) in a sleeved mode. Ventilating grooves (12) are formed in the emery roller (4). Beams (5) are arranged above and below the emery roller (4). A left screening plate (10) and a right screening plate (10) are fixed on a screening frame (6). The two ends of the screening frame (6) are fixed on the beams (5) through fixing bolts (17). Spiral grooves (17) are formed in the emery roller (4) and identical with one another in terms of depth and width. The rice milling chamber of the rice milling machine has the advantages that the spiral grooves in the emery roller are made identical in terms of depth and width so as to avoid bumping and exploding of screening plates, the outer diameter and the length of the emery roller are enlarged, meanwhile, size of the screening plates and the screening frame is enlarged, internal capacity of the rice milling chamber is improved and productivity is improved.

Description

Rice rice mill husk rice chamber

Technical field

The utility model relates to a workpiece on a kind of rice rice mill, and more particularly it is a kind of rice rice mill husk rice chamber.

Background technology

It is very extensive in the sector application of grain machine the brown rice surface to be ground the horizontal rice whitening machine of cutting processing, the huge market demand.

Existing rice mill by frame as support, a main shaft passes across frame, propeller and sand roller are housed on the main shaft, this forms the rotating part of machine, in the outside of sand roller sieve plate and screen frame (unit) are housed, the center of screen frame (unit) and the centres of main shaft, space between sand roller and the sieve plate forms the husk rice chamber, be entered the husk rice chamber by charging aperture by propeller by the brown rice of pearling, brown rice rolls in the husk rice chamber, extruding, the sand roller rolls the surface of brown rice, scraping, remove the epidermis of brown rice, between sieve plate and the brown rice, also roll mutually between brown rice and the brown rice, friction, the brown rice of removing epidermis becomes rice, and the discharging opening that the rice of pearling is not held from the husk rice chamber is discharged.The epidermis that stone roller chips away becomes the chaff powder, and the chaff powder is under the pulling of blower fan negative pressure, and the sieve aperture that sees through on the sieve plate enters bran-collecting bucket, outside blower fan discharge machine.Existing horizontal rice whitening machine husk rice chamber in use there are the following problems: 1.. output is little, can not satisfy the production demand of large-scale rice processing factory, the length of the sand roller of existing horizontal rice whitening machine is shorter, diameter is less, think to people's prejudice, because brown rice rolls in the husk rice chamber, extruding, if the length of sand roller is longer, diameter is bigger, and brown rice strengthens in the indoor movement travel meeting of husk rice, is easy to generate and cracks rice, and the price of cracking rice only is the rice price half, therefore can have a strong impact on the quality of rice, the design length of existing sand roller is 0.8-1 rice, does not exceed 1 meter design; 2.. local easily drum sieve, quick-fried sieve.Viewpoint in the past thinks that brown rice enters the husk rice chamber, from the feed end to the discharge end, removal along with the brown rice epidermis, the discharge of chaff powder, the indoor pressure of husk rice successively decreases gradually, so dark and wide before helicla flute is made, be decremented to shallow and narrow gradually backward, but fact proved that the pressure of discharge end increases because the thrust of discharge end reduces, easily produce drum sieve and quick-fried sieve phenomenon.Feed end also easily rouses sieve, quick-fried sieve because screen frame (unit) is big at interval in addition.3.. the screen frame (unit) structure is scattered, and sieve plate also is assembled by polylith, installs and removes very inconvenient; Why making such structure, is because there is the situation of drum sieve, quick-fried sieve, in case the situation of drum sieve, quick-fried sieve occurs, can change that fritter sieve plate in the part, saves cost.

Summary of the invention

The purpose of this utility model is to overcome existing helicla flute and designs irrational weak point, and a kind of rice rice mill husk rice chamber is provided.

The purpose of this utility model reaches by following measure: rice rice mill husk rice chamber, it comprises main shaft, main shaft is the tubular structure of hollow, has air vent, spindle jacket that the sand roller is housed on the main shaft, on the sand roller ventilation slot is arranged, there is crossbeam above and below at the sand roller, and two sieve plates are fixed on the screen frame (unit) about having, and the two ends of screen frame (unit) are fixed on the crossbeam by set bolt, on the described sand roller helicla flute is arranged, it is characterized in that described: the helicla flute on the described sand roller such as is at dark wide structure.

In technique scheme, the length of described sand roller is 1.0-1.6 meters, and the external diameter of sand roller is 0.15-0.35 meter.

In technique scheme, described sieve plate and screen frame (unit) are monolithic construction, are furnished with the sieve supporting plate on the described screen frame (unit) at interval.

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

The present invention has following point: 1. it is dark that the helicla flute on the sand roller is made wide grade, eliminated the generation of bulging sieve, quick-fried sieve phenomenon.2, strengthen external diameter and the length of sand roller, strengthen the size of sieve plate and screen frame (unit) simultaneously, improved the internal volume of husk rice chamber, can improve output; 3. owing to eliminated bulging sieve, quick-fried sieve phenomenon, screen frame (unit) is made integral body, and sieve plate is also made integral body, and mounting or dismounting are convenient, and processing is also convenient; And after screen frame (unit) makes integral body, can install the sieve supporting plate additional at feed end and the discharge end of screen frame (unit), this has further been avoided the generation of bulging sieve, quick-fried sieve phenomenon; 4. the counterbore on the cancellation filler strip is used weld bolt instead, can reduce and crack rice.

Description of drawings

Fig. 1 is the structural representation of the utility model main shaft and attaching parts thereof.

Fig. 2 is the structure enlarged drawing of sand roller.

Fig. 3 is the A-A structural representation among Fig. 1.

Fig. 4 is the structural representation of filler strip and crossbeam.

Fig. 5 is B-B cutaway view of Fig. 4.

Fig. 6 is the enlarged drawing of the I part among Fig. 5.

Fig. 7 is screen frame (unit) and the structural representation that sieves supporting plate in the utility model.

Fig. 8 is the structure cutaway view of filler strip and crossbeam in the utility model.

Fig. 9 is the structural representation of main shaft in the utility model.

1. charging apertures among the figure, 2. main shaft, 3. propeller, 4. sand roller, 5. crossbeam, 6. screen frame (unit), 7. helicla flute, 8. air vent, 9. filler strip, 10. sieve plate, 11. rice, 12. ventilation slot, 13. sieve supporting plates, 14. nuts, 15. dormant bolt, 16. weld bolts, 17. set bolts, L. sand roller length, D. sand roller external diameter, the difference in height between H. dormant bolt 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 rice mill husk rice chamber, it comprises main shaft 9, main shaft 9 is the tubular structure of hollow, air vent 8(is arranged as shown in Figure 9 on the main shaft 9), the main shaft 9 outer sand rollers 4 that are set with, ventilation slot 12 is arranged on the sand roller 4, in the above and below of sand roller 4 crossbeam 5 is arranged, two sieve plates 10 are fixed on the screen frame (unit) 6 about having, the two ends of screen frame (unit) 6 are fixed on the crossbeam 5 by set bolt 17, on the described sand roller 4 helicla flute 7 is arranged, the helicla flute 7 on the described sand roller 4 such as is at dark wide structure (as Fig. 1, Fig. 2, shown in Figure 3).The length of described sand roller 4 is 1.0-1.6 meters, and the external diameter of sand roller 4 is 0.15-0.35 meter.Described sieve plate 10 and screen frame (unit) 6 are monolithic construction, are furnished with sieve supporting plate 13(on the described screen frame (unit) 6 at interval as shown in Figure 7).On the described crossbeam 5 filler strip 9 is arranged fixedly, described filler strip 9 is fixed on (as shown in Figure 8) on the crossbeam 5 by weld bolt 16.

Filler strip 9 in original horizontal rice whitening machine husk rice chamber is fixed on the crossbeam 5 by dormant bolt 15, dormant bolt 15 can cause rough situation on the surface of filler strip 9, make between dormant bolt 15 and the filler strip 9 and have height difference H, evidence: this difference in height can cause cracks rice, and increases the broken rate (as Fig. 4, Fig. 5, shown in Figure 6) that increases of rice mill.And the utility model adopts filler strip 9 to be fixed on the crossbeam 5 by weld bolt 16, and the bottom surface is the bottom surface of filler strip 9, can not produce difference in height (as shown in Figure 8).

Former sieve plate 10 and former screen frame (unit) 6 in original horizontal rice whitening machine husk rice chamber are made split-type structural, this design former is because the helicla flute on original sand roller is dark and wide before making, be decremented to shallow and narrow gradually backward, this structure is easy to generate drum sieve, quick-fried sieve phenomenon, changes sieve plate 10 for convenience and designs.Owing to by changing the spiral fluted structure on the sand roller, helicla flute such as is made at dark wide structure has overcome bulging sieve, quick-fried sieve phenomenon in the utility model, therefore, can make monolithic construction, and install sieve supporting plate (as Fig. 1, shown in Figure 7) additional in the centre.

Other unspecified part is prior art.

Claims

1. rice rice mill husk rice chamber, it comprises main shaft (9), main shaft (9) is the tubular structure of hollow, air vent (8) is arranged on the main shaft (9), the outer sand roller (4) that is set with of main shaft (9), ventilation slot (12) is arranged on the sand roller (4), in the above and below of sand roller (4) crossbeam (5) is arranged, two sieve plates (10) are fixed on the screen frame (unit) (6) about having, the two ends of screen frame (unit) (6) are fixed on the crossbeam (5) by set bolt (17), helicla flute (7) is arranged on the described sand roller (11), it is characterized in that described: the helicla flute (7) on the described sand roller (4) such as is at dark wide structure.

2. according to the described rice rice mill husk rice chamber of claim 1, it is characterized in that the length of described sand roller (4) is 1.0-1.6 meters, the external diameter of sand roller (4) is 0.15-0.35 meter.

3. according to the described rice rice mill husk rice chamber of claim 1 or 2, it is characterized in that described sieve plate (10) and screen frame (unit) (6) are monolithic construction, described screen frame (unit) (6) is gone up and is furnished with sieve supporting plate (13) at interval.

4. according to the described rice rice mill husk rice chamber of claim 1, it is characterized in that at described crossbeam (5) filler strip (9) being arranged fixedly, described filler strip (9) is fixed on the crossbeam (5) by weld bolt (16).