Rice mill with crushing structure
Technical Field
The invention relates to the technical field of rice milling and crushing equipment, in particular to a rice mill with a crushing structure.
Background
The information disclosed in the background of the invention is only for enhancement of understanding of the general background of the invention and is not necessarily to be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Rice mills are mainly used for husking rice, and although such equipment can meet basic rice husking requirements, there are some limitations in practical use. Firstly, the conventional rice mill has limited processing capacity for the byproduct rice husks, and additional crushing equipment is often required to be provided, so that the equipment investment cost is increased, the production flow is prolonged, and the overall efficiency is reduced. In addition, the existing rice mill is not uniform in crushing of byproduct rice husks, and materials are easy to suffer from loss and pollution during transportation among different working procedures due to lack of an integrated design.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a rice mill with a crushing structure, which aims to realize the integrated operation of rice husking and byproduct rice husk crushing, simplify the production flow, improve the production efficiency and reduce the production cost.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the rice mill with the crushing structure comprises a frame and a shell, wherein a rice milling bin is arranged at the top in the shell, and a crushing bin is arranged at the bottom;
a plurality of integrated rice milling transmission units are arranged in the rice milling bin;
a rice husk separating mechanism is arranged below the discharge hole;
The rice husk separating mechanism comprises a rice outlet channel, a separating opening communicated with the crushing bin is formed in the top of the rice outlet channel, an air channel communicated with the rice outlet channel is formed in one side opposite to the separating opening, and each air channel corresponds to one rice conveying and milling integrated unit;
The lower side of the separation port in the crushing bin is provided with a downward inclined sieve plate, the top of one side of the crushing bin opposite to the separation port is provided with an air outlet, the outer side of the air outlet is provided with a depressurization cavity, and the top of the depressurization cavity is provided with an air outlet;
A crushing material outlet is arranged below the screen plate, a plurality of screen holes are formed in the screen plate, the screen plate comprises a plane screen plate section, and an arc-surface screen plate section is arranged at the bottom end of the plane screen plate section;
The upper side surface of the cambered surface screen plate section is provided with a plurality of first crushing teeth which are arranged in an array manner, sieve holes of the cambered surface screen plate section are arranged in gaps of the first crushing teeth, a crushing wheel which is arranged concentrically is arranged above the cambered surface screen plate section, and the crushing wheel is provided with a plurality of second crushing teeth which are arranged in an array manner and matched with the first crushing teeth;
The rice milling transmission integrated unit comprises a rice milling barrel, mounting shafts are arranged at two ends of the rice milling barrel, a rice milling screw body is arranged on the outer side wall of the rice milling barrel, a plurality of screw convex body sections are arranged on the rice milling screw body, and a plurality of rice milling bulges are arranged on the rice milling barrel, the rice milling screw body and the screw convex body sections;
The rice milling bin is characterized in that a lining plate is arranged at the bottom of the rice milling bin, and a plurality of cambered surface lining channels matched with the rice milling transmission integrated units are arranged on the upper side of the lining plate.
Preferably, each transmission rice milling integrated unit is correspondingly provided with a corresponding associated transmission air blowing mechanism, each associated transmission air blowing mechanism comprises a driving wheel and a driving fluted disc which are arranged at the end part of a mounting shaft, a transmission shaft is arranged below the driving fluted disc, one end of the transmission shaft is provided with a first transmission gear in transmission fit with the driving fluted disc, and the other end of the transmission shaft is provided with a second transmission gear;
and corresponding fan blades are rotatably arranged in each air duct through a rotating shaft, and a third transmission gear in transmission fit with the second transmission gear is arranged at the end part of the rotating shaft.
Preferably, the transmission between the driving fluted disc and the third transmission gear is speed-increasing transmission;
the transmission shaft is arranged at the top of the air duct through the support.
Preferably, a material cleaning nozzle is arranged at the end part of each cambered surface lining channel for cleaning after rice milling each time.
Preferably, the shell of the depressurization cavity is detachably arranged on the side wall of the rice milling bin, and the shell of the depressurization cavity is provided with a pipe inlet hole for being matched with the air inlet pipe of the material cleaning nozzle.
Preferably, the air outlet and the air outlet are respectively provided with a corresponding filter screen, and the feed inlet is provided with a hopper.
The invention at least has the following beneficial effects:
the invention simplifies the production flow by integrating the rice husking and the crushing of the byproduct rice husks into the same equipment. This integrated design reduces the need for additional comminution equipment and reduces initial investment costs. Meanwhile, the material transferring process between different working procedures is reduced, so that time is saved, and loss and pollution risks caused by material transferring are reduced. This directly improves the overall production efficiency.
The crushing bin combines the screening and crushing functions, so that byproduct rice husks can be more uniformly treated, and crushed objects with more consistent granularity can be produced.
The transmission rice milling integrated unit has a high-efficiency rice milling process, realizes continuous intermittent extrusion rice milling by arranging the rice milling screw body with the screw convex body section, and can ensure that the rice is subjected to uniform and effective pressure, thereby improving the shelling efficiency and quality. In addition, unnecessary energy loss is reduced by optimizing the moving mode of materials in the rice milling process, and the energy consumption is reduced.
According to the crushing structure, the screening of rice hulls is realized by adopting a mode of combining the screen plate and the crushing wheel, and thicker rice hulls are effectively crushed into fine particles through the cooperation between the first crushing teeth and the second crushing teeth, so that the crushing efficiency is improved. Moreover, the design of the planar screen plate and the cambered screen plate allows materials with different particle sizes to be separated, fine powder is directly discharged through the screen holes, and larger particles are further crushed, so that finer products can be obtained.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention in the front direction;
FIG. 2 is a schematic diagram of the internal structure of the present invention in the overall lateral direction;
Fig. 3 is a schematic structural view of a rice milling integrated unit;
fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
The reference numerals are as follows:
1. The rice milling machine comprises a feeding hole, 11 parts of a hopper, 2 parts of a rice milling bin, 21 parts of a lining plate, 211 parts of a cambered lining channel, 22 parts of a material cleaning nozzle, 3 parts of a rice milling integral unit, 31 parts of a rice milling drum, 32 parts of a rice milling screw, 33 parts of a screw convex body section, 34 parts of a rice milling convex body, 4 parts of a mounting shaft, 41 parts of a driving wheel, 42 parts of a driving fluted disc, 421 parts of a driving shaft, 422 parts of a second driving gear, 423 parts of a third driving gear, 424 parts of a rotating shaft, 5 parts of a fan blade, 51 parts of an air duct, 6 parts of a rice discharging channel, 7 parts of a crushing bin, 71 parts of a crushing material outlet, 72 parts of a plane sieve plate, 73 parts of a cambered sieve plate, 731 parts of a first crushing tooth, 732 parts of a sieve, 74 parts of a sieve, a depressurization cavity, 741 parts of an air outlet, 75 parts of a separation opening, 8 parts of a crushing wheel, 81 parts of a second crushing tooth, 9 parts of a frame.
Detailed Description
The invention will be further described with reference to specific examples and figures.
Fig. 1 to 4 show a rice mill with a crushing structure, which comprises a frame 9 and a shell, wherein the top in the shell is provided with a rice milling bin 2, and the bottom is provided with a crushing bin 7, one end of the rice milling bin 2 is provided with a feed inlet 1, and the other end is provided with a discharge outlet;
a plurality of integrated rice milling transmission units 3 are arranged in the rice milling bin 2;
a rice husk separating mechanism is arranged below the discharge hole;
The rice husk separating mechanism comprises a rice outlet channel 6, a separating opening 75 communicated with the crushing bin 7 is formed in the top of the rice outlet channel 6, and an air duct 51 communicated with the rice outlet channel 6 is formed in one side opposite to the separating opening 75;
A downward inclined sieve plate is arranged at the lower side of the separation port 75 in the crushing bin 7, an air outlet is arranged at the top of one side, opposite to the separation port 75, of the crushing bin 7, a depressurization cavity 74 is arranged at the outer side of the air outlet, and an air outlet 741 is arranged at the top of the depressurization cavity 74;
A crushed material outlet 71 is arranged below the screen plate, a plurality of screen holes 732 are formed in the screen plate, the screen plate comprises a plane screen plate 72 section, and an arc screen plate 73 section is arranged at the bottom end of the plane screen plate 72 section;
the upper side of cambered surface sieve 73 section is provided with a plurality of first crushing tooth 731 that is the array arrangement, the sieve mesh 732 of cambered surface sieve 73 section sets up in the clearance of first crushing tooth 731, the top of cambered surface sieve 73 section is equipped with the crushing wheel 8 of concentric setting, crushing wheel 8 be provided with a plurality of be the array and with first crushing tooth 731 complex second crushing tooth 81.
The rice milling transmission integrated unit 3 comprises a rice milling drum 31, mounting shafts 4 are arranged at two ends of the rice milling drum 31, a rice milling screw 32 is arranged on the outer side wall of the rice milling drum 31, a plurality of screw convex body sections 33 are arranged on the rice milling screw 32, and a plurality of rice milling bulges 34 are arranged on the rice milling drum 31, the rice milling screw 32 and the screw convex body sections 33;
The rice milling bin 2 bottom is provided with welt 21, welt 21 upside is provided with a plurality of with the cambered surface lining ways 211 of the integrative unit 3 adaptation of transmission rice milling.
Each transmission rice milling integrated unit 3 is correspondingly provided with a corresponding associated transmission blowing mechanism, each associated transmission blowing mechanism comprises a driving wheel 41 and a driving fluted disc 42 which are arranged at the end part of an installation shaft 4, a transmission shaft 421 is arranged below the driving fluted disc 42, one end of the transmission shaft 421 is provided with a first transmission gear in transmission fit with the driving fluted disc 42, and the other end of the transmission shaft 421 is provided with a second transmission gear 422;
The corresponding fan blades 5 are rotatably mounted in each air duct 51 through a rotating shaft 424, and a third transmission gear 423 in transmission fit with the second transmission gear 422 is mounted at the end part of the rotating shaft 424.
So for the cooperation of every transmission husk rice integrative unit 3 and the relevant transmission mechanism of blowing that corresponds, on the basis of accomplishing husk rice and transmission, also accomplish the separation of blowing to the rice husk.
Of course, the installation shafts 4 of each transmission rice milling integrated unit 3 are also in transmission connection (not shown in the figure), and can be in transmission connection through corresponding transmission chain wheels, so that the integrated rotation is easy to realize, and the repeated description is omitted.
The principle of the invention is that the rice milling screw 32 of the rice milling integrated unit 3 plays a role in transporting materials through the screw structure, and simultaneously, the screw convex body section 33 on the rice milling screw 32 plays a role of a cam, so that the main (stronger) rice milling effect is exerted at the position, and the secondary (weaker) rice milling effect is exerted between the two screw convex body sections 33, thereby each rice milling integrated unit 3 for transporting produces a continuous intermittent extrusion rice milling, and after a plurality of intermittent extrusion rice milling, the high-efficiency and good shelling effect is achieved when reaching the other end, and a good foundation is created for the subsequent rice hull crushing.
Under the action of the associated transmission blowing mechanism, rice hulls and rice grains with poor quality enter the crushing bin 7 through the separating opening 75 along with wind, fall onto the plane screen plate 72 under the action of gravity, slide forward along the plane screen plate 72 under the action of residual wind and inertia, finish the screening of byproducts in the process, and the screened fine rice hull powder falls down and is discharged through the crushed material outlet 71;
Coarser rice hulls and rice grains with poor quality enter the cambered surface sieve plate 73, coarse material crushing and refining are completed through crushing cooperation of the first crushing teeth 731 on the cambered surface sieve plate 73 and the second crushing teeth 81 on the crushing wheel 8 and crushing cooperation of the second crushing teeth 81 and the sieve holes 732, and refined crushed materials fall down through the sieve holes 732 and are discharged through the crushed material outlet 71. Thus far, classification and pulverization of the by-products produced by rice milling are completed.
The transmission between the driving fluted disc 42 and the third transmission gear 423 is a speed increasing transmission, and the transmission shaft 421 is mounted on the top of the air duct 51 through a support. The space optimization layout is fully exerted, so that the function of separating rice hulls by the associated transmission blowing mechanism is smoothly realized, and meanwhile, the structure is more compact.
A cleaning nozzle 22 is mounted at the end of each cambered surface lining channel 211. The cambered surface lining 211 is beneficial to playing the role of rice milling and transmission of the rice milling integrated unit 3, and is beneficial to matching with the material cleaning nozzle 22, and cleaning is carried out after each rice milling, wherein the material cleaning nozzle 22 can be a pulse air blowing nozzle.
The shell of the depressurization cavity 74 is detachably mounted on the side wall of the rice milling bin 2, so that the rice milling integrated unit 3 and the material cleaning nozzle 22 can be conveniently mounted, wherein a pipe inlet hole is formed in the shell of the depressurization cavity 74 and used for being matched with the air inlet pipe of the material cleaning nozzle 22 for mounting.
The air outlet and the air outlet 741 are respectively provided with a corresponding filter screen, so that coarse materials are prevented from entering the depressurization cavity 74 or entering a workshop through the depressurization cavity 74 to cause pollution.
The feed inlet 1 is provided with a hopper 11, and the crushed material outlet 71 and the bottom of the rice outlet channel 6 are both funnel-shaped.
In summary, the rice mill integrates the functions of rice husking and rice husk crushing, and comprises two parts, namely a rice husking bin 2 and a crushing bin 7. A plurality of integrated rice milling transmission units 3 are arranged in the rice milling bin 2, high-efficiency rice milling is realized through a spiral convex body section 33, a rice husk separating mechanism is arranged below the discharge hole, and rice husk is guided into the crushing bin 7 by utilizing wind power. The crushing bin 7 is internally provided with a sieve plate and a crushing wheel 8, and uniform crushing is realized through the cooperation of the first crushing teeth 731 and the second crushing teeth 81. The whole system adopts compact design, optimizes the space layout, reduces the material transfer loss, improves the production efficiency, simplifies the production flow and reduces the cost.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present invention and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.