CN119186725A - Fine grinding device and grinding method for rice flour production - Google Patents

Fine grinding device and grinding method for rice flour production Download PDF

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Publication number
CN119186725A
CN119186725A CN202411708632.3A CN202411708632A CN119186725A CN 119186725 A CN119186725 A CN 119186725A CN 202411708632 A CN202411708632 A CN 202411708632A CN 119186725 A CN119186725 A CN 119186725A
Authority
CN
China
Prior art keywords
grinding
bin
rice
wheel
conveyer belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202411708632.3A
Other languages
Chinese (zh)
Inventor
陈曌
陈旭
陈果成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Jingde Huihuang Grain And Oil Co ltd
Original Assignee
Anhui Jingde Huihuang Grain And Oil Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Anhui Jingde Huihuang Grain And Oil Co ltd filed Critical Anhui Jingde Huihuang Grain And Oil Co ltd
Priority to CN202411708632.3A priority Critical patent/CN119186725A/en
Publication of CN119186725A publication Critical patent/CN119186725A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/18Disc mills specially adapted for grain
    • B02C7/182Disc mills specially adapted for grain with horizontal axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00Other auxiliary devices or accessories specially adapted for grain mills
    • B02C11/04Feeding devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C11/00Other auxiliary devices or accessories specially adapted for grain mills
    • B02C11/08Cooling, heating, ventilating, conditioning with respect to temperature or water content
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/08Separating or sorting of material, associated with crushing or disintegrating
    • B02C23/10Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
    • B02C23/12Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/11Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C7/00Crushing or disintegrating by disc mills
    • B02C7/18Disc mills specially adapted for grain
    • B02C7/188Driving mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B15/00Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0082Dust eliminating means; Mould or press ram cleaning means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/02Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/04Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams
    • B30B9/06Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using press rams co-operating with permeable casings or strainers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B30PRESSES
    • B30BPRESSES IN GENERAL
    • B30B9/00Presses specially adapted for particular purposes
    • B30B9/02Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/26Permeable casings or strainers

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Crushing And Grinding (AREA)

Abstract

The invention relates to the technical field of grinding devices and discloses a fine grinding device and a grinding method for rice flour production, wherein the fine grinding device comprises a machine case, a grinding bin, a bin cover, a blanking hopper and a water tank, wherein the grinding bin is arranged above the machine case, one end of the bin cover is hinged with one end of the grinding bin, the discharging end of the blanking hopper is communicated with the interior of the grinding bin, a screen conveying belt is arranged in the fine grinding device, rice residues and rice pulp falling into a screening bin are separated on the screen conveying belt, the rice pulp flows to a pulp discharging hole through the screen, the rice residues are conveyed to a grinding residue discharging hole, the rice pulp conveyed on the screen conveying belt can be extruded through a slag pressing component, so that rice pulp in the rice residues is prevented from being conveyed into the blanking hopper again through a spiral lifting pipe, and the screen conveying belt is enabled to vibrate all the time in the working process through the reciprocating mechanism, and the slag pressing component can extrude the rice pulp better.

Description

Fine grinding device and grinding method for rice flour production
Technical Field
The invention relates to the technical field of grinding devices, in particular to a fine grinding device and a grinding method for rice flour production.
Background
The rice flour is a strip-shaped or wire-shaped rice product which is prepared from rice serving as a raw material through the procedures of washing, soaking, pulping, steaming, tabletting (extruding), re-steaming, cooling, drying, packaging by a dryer and the like, and in the process of rice flour production, pulping, namely fine grinding of the rice is very important, and the rice can be ground into rice pulp particles with extremely small particle size, so that the texture of the prepared rice flour is more uniform and fine, and the rice flour has an important effect on smooth molding and smooth mouthfeel of the rice flour in subsequent processing.
Chinese patent CN109647579B discloses a rice milling and flour making device, which can adjust the distance between a disc milling roller and a milling disc, thereby adjusting the milling thickness, but when milling rice, the situation that the milling is not thorough may occur, rice residues can be accumulated at the edge of a filter screen, but in order to ensure that rice flour can be preserved for a long time, rice used in large-scale industrialized production of rice flour is finished rice with only endosperm part left, the rice residues generated after milling of the rice are only crushed rice which is not milled to proper granularity, other components which cannot be eaten and affect taste are not contained, the device cannot directly recover the rice residues for re-milling, the discarded rice residues can cause waste of raw materials, and rice residues are easily collected again when the filter screen is replaced, and the rice residues are easy to deteriorate due to overlong time.
Chinese patent CN113117819B discloses a peanut oil processing grinder, through setting up transport section of thick bamboo and spiral plate, can regrind the mill cinder in the grinding product, but the device separates peanut cinder and peanut oil through the filter plate, and the peanut cinder probably blocks up the filter plate, leads to the filter effect to drop gradually, in addition, also can mix more peanut oil in the peanut cinder, and direct transport peanut cinder through the spiral plate can lead to out oily speed reduction, and this kind of condition is used in the grinding of ground rice production equally to exist.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a fine grinding device and a grinding method for rice flour production, which have the advantages of re-grinding rice residues generated in grinding and avoiding more rice pulp mixed in the re-ground rice residues, and solve the problems in the prior art.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme:
The fine grinding device comprises a case, a grinding bin, a bin cover, a discharging hopper and a water tank, wherein the grinding bin is arranged above the case, one end of the bin cover is hinged to one end of the grinding bin, the discharging end of the discharging hopper is communicated with the interior of the grinding bin, the water tank is arranged above the discharging hopper, a water tap is arranged on one side wall of the water tank, a rotary grinding wheel is arranged in the grinding bin, a fixed grinding wheel is fixedly arranged on the inner wall of the bin cover, the fixed grinding wheel and the rotary grinding wheel are oppositely arranged, a screening mechanism is arranged below the grinding bin, the screening mechanism comprises a screening bin and a screen conveying belt, the top of the screening bin is communicated with the lower end of the grinding bin, two sides of the bottom of the screening bin are respectively provided with a slurry discharging port and a grinding slag discharging port, the screen conveying belt is used for receiving ground objects discharged from the grinding bin, slurry flows to the grinding slag discharging port through a screen, a spiral lifting pipe is arranged on one side of the case, and the spiral lifting pipe is used for conveying the grinding slag discharging hopper to the lower side of the grinding slag discharging port;
The inside of the gauze conveyer belt is provided with a rotating shaft which is used for driving the gauze conveyer belt to rotate, and a reciprocating mechanism is arranged between the rotating shaft and the screening bin and is used for driving the rotating shaft to vibrate linearly;
still be provided with on the gauze conveyer belt and press sediment part and long hair round brush, it is used for making the thick liquid in the mill sediment to extrude to press sediment part, long hair round brush is used for sweeping the mill sediment of gauze conveyer belt lower surface and falls for the mill sediment can leave the gauze conveyer belt and fall in the mill sediment discharge gate.
Preferably, one end fixed mounting of grinding storehouse has horizontal conveying pipeline, the upper end of horizontal conveying pipeline and the discharge end intercommunication of hopper down, and the one end of horizontal conveying pipeline runs through the outer wall of grinding storehouse and extend to the inside of grinding storehouse, rotate the one end of emery wheel and seted up with horizontal conveying pipeline adaptation pivoted round hole, and rotate the other end of emery wheel and seted up the bell mouth that links to each other with the round hole, the inner wall fixed mounting of bell mouth has the dismantlement board, the one end fixed mounting of dismantlement board has the grinding drive shaft, the upper surface fixed mounting of quick-witted case has driving motor, driving motor's drive end passes through the driving pulley transmission with the grinding drive shaft and is connected.
Preferably, the horizontal conveying pipe is internally provided with a spiral blade and a cutting blade, the spiral blade and the cutting blade are fixedly arranged on the grinding driving shaft, and the cutting blade is arranged at one end, close to the disassembling plate, of the grinding driving shaft.
Preferably, the reciprocating mechanism comprises a connecting plate, a loop bar, a driving gear, a transmission bar, a driven gear, helical teeth, a rotating rod, a worm wheel, a rotary table and a rotating plate, wherein two ends of the connecting plate are respectively connected with two rotating shafts in a rotating mode, one end of the loop bar is connected with one side inner wall of a screening bin in a rotating mode, a sliding groove is formed in the other end of the loop bar, a sliding block which is in sliding connection with the sliding groove is fixedly installed at one end of the rotating shaft, two ends of the transmission bar are connected with one side inner wall of the screening bin in a rotating mode, the driving gear is fixedly sleeved on the outer surface of one loop bar, the driven gear is connected with the driving gear in a meshed mode, the driven gear is fixedly installed at one end of the transmission bar, the helical teeth are fixedly installed on the transmission bar, the worm wheel and the rotary table are fixedly installed on the rotating rod in a meshed mode, one end of the rotating plate is connected with one side face of the connecting plate in a rotating mode, and the other end of the rotating plate is connected with the rotating table in a rotating mode deviating from the circle center.
Preferably, the both ends of pivot all fixed mounting have the commentaries on classics piece, the both ends of gauze conveyer belt all fixed mounting have the belt, the commentaries on classics piece is connected with belt transmission, one side outer wall fixed mounting in screening storehouse has control motor, control motor's drive end and one of them pivot fixed connection.
Preferably, the slag pressing component comprises a mounting plate, a supporting wheel, a sliding plate, an extrusion wheel and an extrusion spring, wherein two ends of the lower surface of the mounting plate are fixedly connected with two connecting plates respectively, two ends of the supporting wheel are rotationally connected with two side walls of the mounting plate, two ends of the sliding plate are in sliding connection with two side walls of the mounting plate, the extrusion wheel is rotationally arranged on the lower surface of the sliding plate, the supporting wheel and the extrusion wheel are respectively arranged in and above a gauze conveyer belt, and two ends of the extrusion spring are fixedly connected with the lower surface of the mounting plate and the upper surface of the sliding plate respectively.
Preferably, the inside interval distribution of gauze conveyer belt has the scraper, the scraper sets up in the both sides of backing wheel, and the both ends and the connecting plate fixed connection of scraper.
Preferably, the long-hair rolling brush is arranged at a position below the gauze conveyer belt and close to the slag grinding discharge port, two ends of the long-hair rolling brush are respectively and rotatably connected with the inner walls of two sides of the screening bin, and the long-hair rolling brush is in transmission connection with the adjacent loop bars through the transmission belt wheels.
Preferably, the screening mechanism further comprises a conveying belt blocking removing part, the conveying belt blocking removing part comprises a sliding hole, a sliding plate, elastic fine thorns, a reset spring, a wheel rod and a cam, the sliding part Kong Kaishe is arranged on the connecting plate, two ends of the sliding plate are in sliding connection with the sliding hole, the sliding plate is arranged in the gauze conveying belt, the elastic fine thorns are fixedly arranged on the lower surface of the sliding plate, two ends of the reset spring are respectively fixedly connected with the bottom wall of the sliding hole and the lower surface of the sliding plate, two ends of the wheel rod are rotationally connected with the connecting plate, the wheel rod is in transmission connection with one rotating shaft through a transmission belt wheel, the cam is fixedly arranged on the wheel rod, and the cam is in pressure contact with the upper surface of the sliding plate.
The invention also discloses a crushing method for rice flour production, which comprises the following specific steps:
Adding soaked wet rice which is drained into a lower hopper, adding water into a water tank through an external water source, opening a water tap and controlling the water outlet speed, so that water flow is discharged from a slurry discharge port through the lower hopper, a grinding bin and a screening bin;
Controlling the rotation of the rotary grinding wheel and the fixed grinding wheel to grind wet rice, wherein grinding materials fall into the screening bin and fall onto the gauze conveyer belt;
The sizing agent in the grinding material falls to the bottom of the screening bin through the gauze of the gauze conveyer belt, flows at the bottom of the screening bin and is discharged from the sizing agent discharge port;
Rice residue in the grinding material is conveyed by the gauze conveyer belt, slurry of residue in the rice residue is extruded through the residue pressing component, so that the rice residue with reduced water content is conveyed to a position close to a residue grinding discharge hole and falls off from the gauze conveyer belt, and the rice residue adhered to the gauze conveyer belt is cleaned by a long-hair rolling brush.
(III) beneficial effects
Compared with the prior art, the invention provides a fine grinding device and a grinding method for rice flour production, which have the following beneficial effects:
1. This fine grinding device, through setting up the gauze conveyer belt, fall the rice residue in the screening storehouse and the rice thick liquid separates on the gauze conveyer belt, the rice thick liquid is permeated the gauze and is flowed to thick liquid discharge gate, and the rice residue is carried to the mill sediment discharge gate, through setting up the pressure sediment part, can extrude the rice residue of carrying on the gauze conveyer belt, thereby extrude the rice thick liquid in the rice residue, avoid there being more rice thick liquid to carry the unloading hopper again through spiral lift pipe, through setting up reciprocating mechanism, make the gauze conveyer belt take place vibrations always in the course of the work, on the one hand can avoid rice residue to pile up in the centre of gauze conveyer belt, make the extrusion rice thick liquid that the pressure sediment part can be better, extrude more rice thick liquids from the rice residue, on the other hand, the vibration of gauze conveyer belt can improve the speed that the rice thick liquid permeated the gauze, and reduce the probability that the gauze was blocked up to the rice residue, thereby maintain the performance of gauze conveyer belt, the interval of extension washings and changing.
2. This fine grinding device through setting up long hair round brush, can clean down the rice husk that glues on the gauze conveyer belt, avoids rice husk to fall into thick liquid discharge gate, influences rice husk quality, through setting up the clear stifled part of conveyer belt, can push out the rice husk that blocks up in the mesh of gauze conveyer belt to further guarantee gauze conveyer belt's performance, the rice husk of being convenient for passes through the gauze conveyer belt.
3. This fine grinding device through setting up pivot, connecting plate, loop bar, driving gear, transfer line, driven gear, helical tooth, bull stick, worm wheel, carousel and commentaries on classics board for the pivot can reciprocal rectilinear movement when rotatory, drives the screen conveyer belt and takes place rectilinear vibration when carrying rice sediment.
Drawings
FIG. 1 is a schematic perspective view of a fine grinding device according to the present invention;
FIG. 2 is a schematic diagram showing a second perspective view of the fine polishing apparatus according to the present invention;
FIG. 3 is one of the perspective sectional views of the fine grinding apparatus of the invention;
FIG. 4 is a schematic view of the partial structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic view of the partial structure of the present invention at B in FIG. 3;
FIG. 6 is a second perspective sectional view of the fine grinding apparatus of the invention;
FIG. 7 is a schematic view of the partial structure of the present invention at C in FIG. 6;
FIG. 8 is a third perspective sectional view of the fine grinding apparatus of the invention;
FIG. 9 is a schematic view of the partial structure of the present invention at D in FIG. 8;
FIG. 10 is a cross-sectional view showing a three-dimensional structure of a fine polishing apparatus according to the present invention;
FIG. 11 is a schematic view of the partial structure of FIG. 10E according to the present invention;
Fig. 12 is a schematic view showing a connection structure of a loop bar in the fine grinding apparatus of the present invention.
In the figure:
1. A chassis;
2. grinding bin, 21, rotary grinding wheel, 211, round hole, 212, conical hole, 213, dismounting plate, 22, horizontal conveying pipe, 221, spiral blade, 222, cutting blade;
3. 31, fixing a grinding wheel;
4. discharging a hopper;
5. grinding the driving shaft;
6. A driving motor;
7. Screening mechanism, 71, screening bin, 711, slurry outlet, 712, grinding residue outlet, 72, gauze conveyer belt, 721, rotating shaft, 7211, sliding block, 722, rotating block, 723, belt, 73, reciprocating mechanism, 731, connecting plate, 732, sleeve rod, 7321, driving gear, 7322, chute, 733, driving rod, 7331, driven gear, 7332, spiral tooth, 734, rotating rod, 7341, worm gear, 7342, turntable, 735, rotating plate, 74, control motor, 75, slag pressing component, 751, mounting plate, 752, supporting wheel, 753, sliding plate, 754, extruding wheel, 755, extruding spring, 76, scraping plate, 77, long wool rolling brush, 78, conveyer belt cleaning component, 781, sliding hole, 782, sliding plate, 783, elastic fine thorn, 784, reset spring, 785, wheel rod, 786, cam;
8. spiral lifting pipe;
9. A water tank.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1,2, 3, 6, 8 and 9, the invention provides a fine grinding device, which comprises a case 1, a grinding bin 2, a bin cover 3, a blanking hopper 4 and a water tank 9, wherein the grinding bin 2 is arranged above the case 1, one end of the bin cover 3 is hinged with one end of the grinding bin 2, a discharge end of the blanking hopper 4 is communicated with the interior of the grinding bin 2, the water tank 9 is arranged above the blanking hopper 4, a water tap is arranged on one side wall of the water tank 9, a rotary grinding wheel 21 is arranged in the grinding bin 2, a fixed grinding wheel 31 is fixedly arranged on the inner wall of the bin cover 3, the fixed grinding wheel 31 and the rotary grinding wheel 21 are oppositely arranged, a screening mechanism 7 is arranged below the grinding bin 2, the screening mechanism 7 comprises a screening bin 71 and a screen conveyer belt 72, the top of the screening bin 71 is communicated with the lower end of the grinding bin 2, two sides of the bottom of the screening bin 71 are respectively provided with a slurry discharge port 711 and a slag port 712, the screen conveyer belt 72 is used for receiving ground slag discharged from the grinding bin 2, so that the slurry flows through the screen slurry to the discharge port and is conveyed to one side of the spiral grinding hopper 8 to the discharge port 712, and the spiral grinding slag is conveyed to one side of the discharge port 8 to the discharge port 8;
A spindle 721 is arranged in the screen conveyer 72, the spindle 721 is used for driving the screen conveyer 72 to rotate, a reciprocating mechanism 73 is arranged between the spindle 721 and the screening bin 71, and the reciprocating mechanism 73 is used for driving the spindle 721 to vibrate linearly;
still be provided with on the gauze conveyer 72 and press the sediment part 75 and long hair round brush 77, press the sediment part 75 and be used for making the thick liquid in the mill sediment to be extruded, long hair round brush 77 is used for sweeping the mill sediment of gauze conveyer 72 lower surface down for the mill sediment can leave gauze conveyer 72 and fall into mill sediment discharge gate 712.
From the above, it is apparent that by setting the fixed grinding wheel 31 and the rotary grinding wheel 21, wet rice output from the discharging hopper 4 is ground and crushed by the fixed grinding wheel 31 and the rotary grinding wheel 21, since the diameters of the fixed grinding wheel 31 and the rotary grinding wheel 21 are far smaller than the inner diameter of the grinding bin 2, an annular channel with a large cross-sectional area is formed between the inner wall of the grinding bin 2 and the fixed grinding wheel 31 and the rotary grinding wheel 21, rice residue and rice slurry generated by grinding can fall into the inside of the sieving bin 71, the phenomenon that rice residue is accumulated in the grinding bin 2 to cause blocking can not occur, by setting the screen conveyer 72, rice residue and rice slurry falling into the sieving bin 71 are separated on the screen conveyer 72, the rice slurry flows to the slurry discharge port through the screen, and the rice residue is conveyed to the grinding residue discharge port 712, the rice residue conveyed on the screen conveyer 72 can be extruded by setting the residue pressing part 75, thereby extrude the rice thick liquid in the rice residue, avoid having more rice thick liquid to carry down hopper 4 again through spiral lift pipe 8, through setting up reciprocating mechanism 73, make screen conveyer belt 72 take place vibrations all the time in the course of the work, on the one hand can avoid rice residue to pile up in the centre of screen conveyer belt 72, make the extrusion rice thick liquid that presses sediment part 75 can be better, extrude more rice thick liquid from the rice residue, on the other hand, screen conveyer belt 72 vibration can improve the speed that the rice thick liquid sees through the screen, and reduce the probability that the rice thick liquid blockked up the screen, thereby maintain the performance of screen conveyer belt 72, lengthen the interval of wasing and changing, through setting up long hair round brush 77, can clean down the rice thick liquid that glues on screen conveyer belt 72, avoid rice residue to fall in thick liquid discharge gate 711, influence rice thick liquid quality.
When the device works, wet rice which is soaked and drained is added into the lower hopper 4, water is added into the water tank 9 through an external water source, a water tap is opened, the water outlet speed is controlled, and water flow is discharged from the slurry discharge port 711 through the lower hopper 4, the grinding bin 2 and the screening bin 71;
The rotation of the rotary grinding wheel 21 is controlled, the wet rice is ground by the fixed grinding wheel 31, and the ground matters fall into the screening bin 71 and fall onto the gauze conveyer belt 72;
the slurry in the grinding material falls to the bottom of the sieving bin 71 through the gauze of the gauze conveyer 72, flows at the bottom of the sieving bin 71 and is discharged from the slurry discharge port 711;
The rice residue in the ground material is conveyed by the gauze conveyer 72, and the slurry of the residue in the rice residue is extruded by the residue pressing member 75, so that the rice residue with reduced water content is conveyed to a position close to the residue grinding discharge port 712 and falls off from the gauze conveyer 72, and the rice residue stuck on the gauze conveyer 72 is cleaned by the long-hair rolling brush 77.
In the second embodiment, as shown in fig. 3 and fig. 4, the difference between the present embodiment and the above embodiment is that one end of the grinding bin 2 is fixedly provided with a horizontal conveying pipe 22, the upper end of the horizontal conveying pipe 22 is communicated with the discharge end of the discharging hopper 4, one end of the horizontal conveying pipe 22 penetrates through the outer wall of the grinding bin 2 and extends into the grinding bin 2, one end of the rotating grinding wheel 21 is provided with a round hole 211 which is adapted to rotate with the horizontal conveying pipe 22, the other end of the rotating grinding wheel 21 is provided with a conical hole 212 connected with the round hole 211, the inner wall of the conical hole 212 is fixedly provided with a dismounting plate 213, one end of the dismounting plate 213 is fixedly provided with a grinding driving shaft 5, the upper surface of the machine case 1 is fixedly provided with a driving motor 6, and the driving end of the driving motor 6 is in transmission connection with the grinding driving shaft 5 through a transmission pulley.
From the above, the grinding driving shaft 5 is driven by the driving motor 6, so that the rotary grinding wheel 21 rotates, and the rice falls between the fixed grinding wheel 31 and the rotary grinding wheel 21 for grinding through the round hole 211 and the conical hole 212 after entering the horizontal conveying pipe 22 from the discharging hopper 4.
The horizontal feed pipe 22 is internally provided with a spiral blade 221 and a cutting blade 222, both of which are fixedly installed on the grinding drive shaft 5, and the cutting blade 222 is provided at one end of the grinding drive shaft 5 near the dismounting plate 213.
From the above, by arranging the spiral blade 221, the rice can be prevented from being accumulated in the horizontal conveying pipe 22 and not entering between the fixed grinding wheel 31 and the rotary grinding wheel 21, and by arranging the cutting blade 222, the rice can be cut.
In the third embodiment, as shown in fig. 5, 6, 7, 8, 9 and 12, the reciprocating mechanism 73 includes a connection plate 731, a sleeve 732, a driving gear 7321, a transmission rod 733, a driven gear 7331, a spiral gear 7332, a rotating rod 734, a worm gear 7341, a turntable 7342 and a rotating plate 735, two ends of the connection plate 731 are respectively rotatably connected to the two rotating shafts 721, one end of the sleeve 732 is rotatably connected to one inner wall of the sieving bin 71, the other end of the sleeve 732 is provided with a sliding groove 7322, one end of the rotating shaft 721 is fixedly provided with a sliding block 7211 slidably connected to the sliding groove 7322, two ends of the transmission rod 733 are rotatably connected to one inner wall of the sieving bin 71, the driving gear 7321 is fixedly sleeved on the outer surface of one of the sleeve 7321, the driven gear 7331 is in meshed connection with the driving gear 7321, the driven gear 731 is fixedly mounted on one end of the transmission rod 733, the spiral gear 732 is fixedly mounted on the transmission rod 733, the rotating rod 734 is rotatably connected to the inner bottom wall of the sieving bin 71, one end of the worm gear 7341 and the rotating rod 7342 is rotatably connected to the other end of the rotating plate 7342, and the other end of the rotating rod is deviated from the rotating plate 7342.
As can be seen from the above, since the sliding groove 7322 is formed at one end of the sleeve 732, the sliding block 7211 slidably connected with the sliding groove 7322 is fixedly mounted at one end of the rotating shaft 721, the rotating shaft 721 can be driven to rotate when the sleeve 732 rotates, and meanwhile, the rotating shaft 721 can slide relative to the sleeve 732, and since the driven gear 7331 is engaged with the driving gear 7321, the driving rod 733 can be driven to rotate when the sleeve 732 rotates, the worm wheel 7341 is engaged with the helical gear 7332, the rotating rod 734 can be driven to rotate when the driving rod 733 rotates, and one end of the rotating plate 735 is rotatably connected with one side of the connecting plate 731, and the other end of the rotating plate 735 is rotatably connected with the rotating plate 7342 at a position deviating from the center of the circle.
Both ends of the rotating shaft 721 are fixedly provided with rotating blocks 722, both ends of the gauze conveyer belt 72 are fixedly provided with belts 723, the rotating blocks 722 are in transmission connection with the belts 723, the outer wall of one side of the screening bin 71 is fixedly provided with a control motor 74, and the driving end of the control motor 74 is fixedly connected with one of the rotating shafts 721.
As can be seen from the above, by providing the rotation block 722 and the belt 723, the rotation shaft 721 can drive the screen conveyer 72 to rotate to convey the material.
In the fourth embodiment, as shown in fig. 5, 10 and 11, the slag pressing part 75 is different from the above embodiment in that the slag pressing part 75 includes a mounting plate 751, a supporting wheel 752, a sliding plate 753, a pressing wheel 754 and a pressing spring 755, both ends of the lower surface of the mounting plate 751 are fixedly connected with two connecting plates 731 respectively, both ends of the supporting wheel 752 are rotatably connected with both side walls of the mounting plate 751, both ends of the sliding plate 753 are slidably connected with both side walls of the mounting plate 751, the pressing wheel 754 is rotatably mounted on the lower surface of the sliding plate 753, the supporting wheel 752 and the pressing wheel 754 are disposed inside and above the screen conveyer 72 respectively, and both ends of the pressing spring 755 are fixedly connected with the lower surface of the mounting plate 751 and the upper surface of the sliding plate 753 respectively.
As is apparent from the above, since the slag pressing part 75 is installed on the connection plate 731, the supporting wheel 752 and the pressing wheel 754 move back and forth along with the vibration of the connection plate 731, and due to the arrangement of the pressing spring 755, a certain clamping force is provided between the pressing wheel 754 and the supporting wheel 752, so that a portion of rice slurry in the rice slag can be extruded by the rice slag between the pressing wheel 754 and the supporting wheel 752.
The inside interval distribution of gauze conveyer belt 72 has the scraper 76, and the scraper 76 sets up the both sides of supporting wheel 752, and the both ends and the connecting plate 731 fixed connection of scraper 76.
As can be seen from the above, the scraper 76 is provided to increase the speed of the rice milk dripping from the screen conveyor 72, so as to avoid re-absorbing the rice milk by the rice residues after the rice milk is extruded from the rice residues.
The long-hair rolling brush 77 is arranged below the gauze conveyer belt 72 and near the position of the grinding slag discharge port 712, and two ends of the long-hair rolling brush 77 are respectively and rotatably connected with the inner walls of two sides of the screening bin 71, and the long-hair rolling brush 77 is in transmission connection with the adjacent loop bars 732 through transmission pulleys.
From the above, since the rice slurry has a certain viscosity, the long-hair rolling brush 77 can sweep the rice residue off the screen conveyer 72.
The screening mechanism 7 further comprises a belt blocking removing part 78, the belt blocking removing part 78 comprises a sliding hole 781, a sliding plate 782, an elastic fine thorn 783, a return spring 784, a wheel rod 785 and a cam 786, the sliding hole 781 is formed in the connecting plate 731, two ends of the sliding plate 782 are in sliding connection with the sliding hole 781, the sliding plate 782 is arranged in the screen conveyer 72, the elastic fine thorn 783 is fixedly arranged on the lower surface of the sliding plate 782, two ends of the return spring 784 are fixedly connected with the bottom wall of the sliding hole 781 and the lower surface of the sliding plate 782 respectively, two ends of the wheel rod 785 are in rotary connection with the connecting plate 731, the wheel rod 785 is in transmission connection with one of the rotating shafts 721 through a transmission pulley, the cam 786 is fixedly arranged on the wheel rod 785, and the cam 786 is in pressure contact with the upper surface of the sliding plate 782.
As can be seen from the above, the cam 786 rotates with the shaft 721, and the sliding plate 782 reciprocates up and down in cooperation with the arrangement of the return spring 784, so that the elastic fine thorns 783 can penetrate into and come out of the meshes of the screen conveyer 72, thereby extruding the rice residue blocking the meshes.
Referring to fig. 1-12, the invention also discloses a crushing method for rice flour production, which comprises the following specific steps:
adding wet rice which is soaked and drained into the discharging hopper 4, adding water into the water tank 9 through an external water source, opening a water tap and controlling the water outlet speed so that water flow is discharged from the slurry discharging port 711 through the discharging hopper 4, the grinding bin 2 and the sieving bin 71;
The rotation of the rotary grinding wheel 21 is controlled, the wet rice is ground by the fixed grinding wheel 31, and the ground matters fall into the screening bin 71 and fall onto the gauze conveyer belt 72;
the slurry in the grinding material falls to the bottom of the sieving bin 71 through the gauze of the gauze conveyer 72, flows at the bottom of the sieving bin 71 and is discharged from the slurry discharge port 711;
The rice residue in the ground material is conveyed by the gauze conveyer 72, and the slurry of the residue in the rice residue is extruded by the residue pressing member 75, so that the rice residue with reduced water content is conveyed to a position close to the residue grinding discharge port 712 and falls off from the gauze conveyer 72, and the rice residue stuck on the gauze conveyer 72 is cleaned by the long-hair rolling brush 77.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. The utility model provides a fine grinding device, includes quick-witted case, grinds storehouse, storehouse lid, lower hopper and water tank, grind the top of storehouse at the machine case, the one end of storehouse lid is articulated with the one end of grinding the storehouse and is installed, the discharge end of lower hopper communicates with the inside of grinding the storehouse, the water tank sets up in the top of lower hopper, and a lateral wall of water tank installs tap, its characterized in that: the grinding bin is internally provided with a rotary grinding wheel, the inner wall of the bin cover is fixedly provided with a fixed grinding wheel, the fixed grinding wheel and the rotary grinding wheel are oppositely arranged, a screening mechanism is arranged below the grinding bin and comprises a screening bin and a screen conveying belt, the top of the screening bin is communicated with the lower end of the grinding bin, two sides of the bottom of the screening bin are respectively provided with a slurry discharge port and a grinding residue discharge port, the screen conveying belt is used for receiving the grinding materials discharged from the grinding bin, so that slurry flows to the slurry discharge port through a screen and is conveyed to the grinding residue discharge port, one side of the machine box is provided with a spiral lifting pipe, and the spiral lifting pipe is used for conveying grinding residues output by the grinding residue discharge port to a discharging hopper;
The inside of the gauze conveyer belt is provided with a rotating shaft which is used for driving the gauze conveyer belt to rotate, and a reciprocating mechanism is arranged between the rotating shaft and the screening bin and is used for driving the rotating shaft to vibrate linearly;
still be provided with on the gauze conveyer belt and press sediment part and long hair round brush, it is used for making the thick liquid in the mill sediment to extrude to press sediment part, long hair round brush is used for sweeping the mill sediment of gauze conveyer belt lower surface and falls for the mill sediment can leave the gauze conveyer belt and fall in the mill sediment discharge gate.
2. The fine grinding device according to claim 1, wherein one end of the grinding bin is fixedly provided with a horizontal conveying pipe, the upper end of the horizontal conveying pipe is communicated with the discharge end of the blanking hopper, one end of the horizontal conveying pipe penetrates through the outer wall of the grinding bin and extends into the grinding bin, one end of the rotary grinding wheel is provided with a round hole which is matched with the horizontal conveying pipe and rotates, the other end of the rotary grinding wheel is provided with a conical hole which is connected with the round hole, the inner wall of the conical hole is fixedly provided with a disassembling plate, one end of the disassembling plate is fixedly provided with a grinding driving shaft, the upper surface of the machine box is fixedly provided with a driving motor, and the driving end of the driving motor is in transmission connection with the grinding driving shaft through a transmission belt wheel.
3. The fine grinding device according to claim 2, wherein the horizontal feed pipe is internally provided with a spiral blade and a cutting blade, both of which are fixedly installed on the grinding driving shaft, and the cutting blade is provided at one end of the grinding driving shaft close to the dismounting plate.
4. The fine grinding device according to claim 1, wherein the reciprocating mechanism comprises a connecting plate, a loop bar, a driving gear, a transmission bar, a driven gear, helical teeth, a rotating rod, a worm wheel, a rotary table and a rotary plate, two ends of the connecting plate are respectively and rotatably connected with two rotating shafts, one end of the loop bar is rotatably connected with one side inner wall of the screening bin, a sliding groove is formed in the other end of the loop bar, a sliding block which is slidably connected with the sliding groove is fixedly arranged at one end of the rotating shaft, two ends of the transmission bar are rotatably connected with one side inner wall of the screening bin, the driving gear is fixedly sleeved on the outer surface of one loop bar, the driven gear is meshed with the driving gear, the driven gear is fixedly arranged at one end of the transmission bar, the helical teeth are fixedly arranged on the transmission bar, the rotating rod is rotatably connected with the inner bottom wall of the screening bin, the worm wheel and the rotary table are fixedly arranged on the rotating rod, one end of the rotary plate is rotatably connected with one side surface of the connecting plate, and the other end of the rotary plate is rotatably connected with the rotary table at a position deviating from the center of the circle.
5. The fine grinding device of claim 1, wherein the rotating blocks are fixedly arranged at two ends of the rotating shaft, the belts are fixedly arranged at two ends of the gauze conveyer belt, the rotating blocks are in transmission connection with the belts, the outer wall of one side of the screening bin is fixedly provided with the control motor, and the driving end of the control motor is fixedly connected with one of the rotating shafts.
6. The fine grinding device of claim 4, wherein the slag pressing component comprises a mounting plate, a supporting wheel, a sliding plate, a pressing wheel and a pressing spring, wherein two ends of the lower surface of the mounting plate are fixedly connected with two connecting plates respectively, two ends of the supporting wheel are rotatably connected with two side walls of the mounting plate, two ends of the sliding plate are slidably connected with two side walls of the mounting plate, the pressing wheel is rotatably mounted on the lower surface of the sliding plate, the supporting wheel and the pressing wheel are respectively arranged in and above a gauze conveyer belt, and two ends of the pressing spring are fixedly connected with the lower surface of the mounting plate and the upper surface of the sliding plate respectively.
7. The fine grinding device of claim 6, wherein the inner space of the gauze conveyer belt is provided with scraping plates at intervals, the scraping plates are arranged at two sides of the supporting wheel, and two ends of each scraping plate are fixedly connected with the connecting plate.
8. The fine grinding device of claim 1, wherein the long-hair rolling brush is arranged below the gauze conveyer belt and close to a slag grinding discharge port, two ends of the long-hair rolling brush are respectively and rotatably connected with inner walls at two sides of the screening bin, and the long-hair rolling brush is in transmission connection with the adjacent loop bars through transmission pulleys.
9. The fine grinding device according to claim 1, wherein the screening mechanism further comprises a conveying belt blocking removing component, the conveying belt blocking removing component comprises a sliding hole, a sliding plate, elastic fine thorns, a return spring, a wheel rod and a cam, the slide Kong Kaishe is arranged on the connecting plate, two ends of the sliding plate are in sliding connection with the sliding hole, the sliding plate is arranged in the screen conveying belt, the elastic fine thorns are fixedly arranged on the lower surface of the sliding plate, two ends of the return spring are fixedly connected with the bottom wall of the sliding hole and the lower surface of the sliding plate respectively, two ends of the wheel rod are in rotating connection with the connecting plate, the wheel rod is in transmission connection with one rotating shaft through a transmission belt wheel, the cam is fixedly arranged on the wheel rod, and the cam is in pressure contact with the upper surface of the sliding plate.
10. A comminution method for the production of rice flour using a fine grinding device according to any one of claims 1-9, characterized by the specific steps of:
Adding soaked wet rice which is drained into a lower hopper, adding water into a water tank through an external water source, opening a water tap and controlling the water outlet speed, so that water flow is discharged from a slurry discharge port through the lower hopper, a grinding bin and a screening bin;
Controlling the rotation of the rotary grinding wheel and the fixed grinding wheel to grind wet rice, wherein grinding materials fall into the screening bin and fall onto the gauze conveyer belt;
The sizing agent in the grinding material falls to the bottom of the screening bin through the gauze of the gauze conveyer belt, flows at the bottom of the screening bin and is discharged from the sizing agent discharge port;
Rice residue in the grinding material is conveyed by the gauze conveyer belt, slurry of residue in the rice residue is extruded through the residue pressing component, so that the rice residue with reduced water content is conveyed to a position close to a residue grinding discharge hole and falls off from the gauze conveyer belt, and the rice residue adhered to the gauze conveyer belt is cleaned by a long-hair rolling brush.
CN202411708632.3A 2024-11-27 2024-11-27 Fine grinding device and grinding method for rice flour production Pending CN119186725A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411708632.3A CN119186725A (en) 2024-11-27 2024-11-27 Fine grinding device and grinding method for rice flour production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411708632.3A CN119186725A (en) 2024-11-27 2024-11-27 Fine grinding device and grinding method for rice flour production

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Publication Number Publication Date
CN119186725A true CN119186725A (en) 2024-12-27

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Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN119186725A (en)

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CN220328825U (en) * 2023-07-17 2024-01-12 衢州益禾文化发展有限公司 Rice pulp grinder
CN220811165U (en) * 2023-10-13 2024-04-19 山东森泉新材料科技有限公司 Grinding powder raw material conveying device
CN221133014U (en) * 2023-08-29 2024-06-14 贵州富华药业有限责任公司 Medicinal material section conveyor
CN118239580A (en) * 2024-05-07 2024-06-25 江苏省盐海化工有限公司 Industrial wastewater recovery treatment purifier
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CN107824276A (en) * 2017-12-08 2018-03-23 柳州市螺状元食品有限公司 A kind of lapping device made for spiral shell baked rice flour
CN208603456U (en) * 2018-06-27 2019-03-15 重庆万劲涂装有限公司 A kind of silk-screen automatic production line conveying energy-saving device
CN210796169U (en) * 2019-10-11 2020-06-19 科希曼电器有限公司 A rotary sludge dryer
CN215843184U (en) * 2021-08-23 2022-02-18 广东影子食品科技有限公司 A kind of grinding equipment for rice flour based on sea rice
CN113926246A (en) * 2021-09-29 2022-01-14 台州立昌工程建设有限公司 Municipal engineering road drainage filtering system and construction method thereof
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CN115415145A (en) * 2022-07-30 2022-12-02 衡阳市德丰源种业有限责任公司 Seed production is carried shale shaker edulcoration device
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CN118239580A (en) * 2024-05-07 2024-06-25 江苏省盐海化工有限公司 Industrial wastewater recovery treatment purifier

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