CN110575870B - Double-layer multi-channel grain milling processing method - Google Patents
Double-layer multi-channel grain milling processing method Download PDFInfo
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- CN110575870B CN110575870B CN201910946168.4A CN201910946168A CN110575870B CN 110575870 B CN110575870 B CN 110575870B CN 201910946168 A CN201910946168 A CN 201910946168A CN 110575870 B CN110575870 B CN 110575870B
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- grains
- grinding mechanism
- discharging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C11/00—Other auxiliary devices or accessories specially adapted for grain mills
- B02C11/04—Feeding devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/11—Details
- B02C7/12—Shape or construction of discs
- B02C7/13—Shape or construction of discs for grain mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/18—Disc mills specially adapted for grain
- B02C7/184—Disc mills specially adapted for grain with vertical axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/18—Disc mills specially adapted for grain
- B02C7/186—Adjusting, applying pressure to, or controlling distance between, discs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C7/00—Crushing or disintegrating by disc mills
- B02C7/18—Disc mills specially adapted for grain
- B02C7/188—Driving mechanisms
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a double-layer multi-channel grain milling processing method, which comprises the following steps: firstly, a user pours dry grains into a feeding hopper of a feeding part, grains slide into a storage area from the feeding hopper, an auger rotates to convey the grains in the storage area to a discharging barrel, and the grains slide into a coarse grinding mechanism from the discharging barrel; then, the coarse grinding mechanism receives the grains discharged by the discharging barrel, rotates and performs coarse grinding processing on the grains, so that the grains are converted into powder with larger granularity; then, the grains after the coarse grinding fall into the fine grinding mechanism from the coarse grinding mechanism, the fine grinding mechanism rotates and carries out fine grinding processing on the grains, and the grains are converted into powder with smaller granularity; finally, the refined grain will fall from the refining mechanism into the discharge member and be discharged from the output end of the discharge member to a discharge point.
Description
Technical Field
The invention relates to a pulverizer, in particular to a double-layer multi-channel grain grinding processing method.
Background
In the process of processing finished products of the coarse cereals, the coarse cereals are required to be crushed into powder, the method has the advantages that on one hand, the variety of products is convenient to enrich, the diversified purchase demands of consumers are met, on the other hand, the powdery grains are convenient to digest and absorb by eaters and are favored by more patients with gastrointestinal diseases, for example, flour made of wheat, rice flour made of rice, corn flour made of corn and the like.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide the double-layer multi-channel grain grinding processing method which has the advantages of ingenious structure, simple principle, convenience in operation and use, wide range of application to grains, capability of simultaneously carrying out coarse grinding and fine grinding on the grains and adjustable grain grinding granularity.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows.
A double-layer multi-channel grain grinding processing method comprises the following steps:
(I) a charging stage;
s1: a user pours dried grains into a feeding hopper of a feeding part, grains slide into a storage area from the feeding hopper, an auger rotates to convey the grains in the storage area to a discharging barrel, and the grains slide into a coarse grinding mechanism from the discharging barrel;
the feeding component comprises storage cylinders which are fixedly arranged on a mounting frame and are vertically and upwards arranged in an opening, a hollow first machine shell is fixedly arranged in the middle of the bottom of each storage cylinder, the first machine shell and the storage cylinders are arranged at intervals and form a storage area, a conical feeding funnel which is communicated with the storage cylinders is coaxially and fixedly arranged at the opening of each storage cylinder, a large opening of the feeding funnel is positioned above a small opening, conveying cylinders which are communicated with the storage cylinders are fixedly arranged on the outer circumferential surface of each storage cylinder, the axial direction of each conveying cylinder is parallel to the radial direction of each storage cylinder and are arranged close to the bottom of each storage cylinder, end covers which are used for sealing and sealing the corresponding conveying cylinders are arranged at one ends of the conveying cylinders, the conveying cylinders are provided with four conveying cylinders and are arranged in an array mode along the circumferential direction of the storage cylinders, discharging cylinders which are communicated with the storage cylinders and are vertically and downwards arranged in an opening are fixedly, the feeding cylinder is arranged close to the end cover, the output end of the feeding cylinder is connected and communicated with the coarse grinding mechanism, an auger coaxially arranged with the conveying cylinder is movably arranged between the end cover and the first machine shell, the auger is matched with the conveying cylinder, one end of the auger is in rotating connection and matching with the end cover, the other end of the auger is in rotating connection and matching with the first machine shell, and the end is a driving end;
the feeding component comprises a planetary gear reducer which is arranged below the storage cylinder and fixedly connected with the storage cylinder, an input shaft and an output shaft in the planetary gear reducer are coaxially arranged with the storage cylinder, the input end of the planetary gear reducer is used for receiving the driving power of the motor, the input shaft of the planetary gear reducer is positioned below the output shaft of the planetary gear reducer, the output shaft of the planetary gear reducer movably penetrates through the storage cylinder and the first machine shell and extends to the inside of the first machine shell, a driving bevel gear is coaxially and fixedly sleeved at the end of the first machine shell, a driving bevel gear is arranged at the driving end of the auger and extends into the first machine shell, a driven bevel gear is coaxially and fixedly sleeved at the end of;
in the working process of the feeding component, a user pours grains waiting for milling into a feeding hopper, the grains fall into a storage area under the action of self gravity, in the process, an output shaft of a planetary gear reducer drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives an auger to rotate, the auger conveys the grains in the storage area into a discharging barrel, and the grains fall into a coarse grinding mechanism from the discharging barrel under the action of self gravity to be milled and processed;
(II) a milling stage;
s2: the coarse grinding mechanism receives grains discharged by the discharging barrel, rotates and performs coarse grinding processing on the grains to convert the grains into powder with larger granularity;
the coarse grinding mechanism comprises an annular grinding box with an upward vertical opening and coaxially arranged with the storage cylinder, a box cover matched with the grinding box is arranged at the opening of the grinding box, the box cover and the inner circular surface of the grinding box are arranged at intervals and form an annular opening with the diameter equal to that of the inner circular surface of the grinding box, a fixing ring is coaxially fixed and sleeved on the outer circular surface of the grinding box and fixedly connected with a mounting rack, an annular plate used for plugging the annular opening is coaxially and rotatably arranged on the annular opening, the annular plate is attached to the inner circular surface of the grinding box and the inner circular surface of the box cover and can vertically float up and down, an annular rotating grinding disc is coaxially fixed and sleeved on the outer circular surface of the annular plate, the rotating grinding disc extends into the grinding box from the annular opening and has the diameter smaller than that of the outer circular surface of the grinding box, the rotating grinding disc can float up and down along the annular opening, a grinding area M is, the discharging barrel is positioned right above the box cover, and the output end of the discharging barrel is connected and communicated with the powder grinding area M;
the upper end face of the rotating grinding disc is provided with a first friction groove, the first friction groove penetrates from the outer circular face of the rotating grinding disc to the inner circular face of the rotating grinding disc, the first friction grooves are arranged in a plurality of arrays along the circumferential direction where the rotating grinding disc is located, the length direction of the first friction grooves deviates thirty degrees from the radial direction of the rotating grinding disc, the lower end face of the box cover is provided with a second friction groove, the second friction grooves are arranged in a plurality of arrays along the circumferential direction where the box cover is located, and the second friction grooves correspond to the first friction grooves up and down;
the lower end face of the box cover is coaxially and fixedly provided with an annular baffle plate which is arranged in the same diameter as the rotary grinding disc, and a blanking gap for the powdery grains to slide down is formed between the baffle plate and the rotary grinding disc;
the inner circular surface of the annular plate is provided with a fixing frame, the fixing frame is fixedly provided with a sleeve barrel which is coaxially arranged with the annular plate, an input shaft of the planetary gear reducer is inserted in the sleeve barrel, the input shaft and the sleeve barrel form spline connection and matching, and the sleeve barrel can slide up and down along the input shaft of the planetary gear reducer;
s3: the grains after the coarse grinding fall into the fine grinding mechanism from the coarse grinding mechanism, and the fine grinding mechanism rotates and carries out fine grinding processing on the grains so as to convert the grains into powder with smaller granularity;
the structure, shape, size and connection relationship of the fine grinding mechanism and the coarse grinding mechanism are completely consistent, the distance between a rotating grinding disc and a box cover in the fine grinding mechanism is smaller than the distance between the rotating grinding disc and the box cover in the coarse grinding mechanism, a first discharging channel for connecting and communicating the first discharging channel and the second discharging channel is arranged between the bottom of a grinding box in the coarse grinding mechanism and a grinding area M in the fine grinding mechanism, and the first discharging channel is provided with four discharging channels which are arranged in an array manner along the circumferential direction of the box cover of the fine grinding mechanism;
the grinding following device also comprises an adjusting mechanism for carrying out floating support on the rotating grinding disc and a transmission main shaft which is used for driving the sleeve barrel to rotate and is coaxially and fixedly connected with the motor;
in the process of grain grinding, the feeding barrel discharges grains into a grinding area M in the coarse grinding mechanism through the feeding part, the motor drives the sleeve barrel to rotate, the sleeve barrel drives the rotary grinding disc to synchronously rotate and is matched with the box cover to coarsely grind the grains into powder, the coarsely ground powdery grains fall into the bottom of the grinding box through the blanking gap in a centrifugal mode, then the coarsely ground powdery grains fall into the grinding area M in the fine grinding mechanism through the blanking channel, the rotary grinding disc and the box cover in the fine grinding mechanism further refine the grains, the grain size is further reduced, the coarsely ground powdery grains are converted into finely ground powdery grains, and then the finely ground powdery grains fall into the box bottom of the grinding box in the fine grinding mechanism through the blanking gap;
(III) discharging;
s4: the grains after fine grinding and processing fall into the discharge part from the fine grinding mechanism and are discharged to a discharge point from the output end of the discharge part;
the discharging part comprises a discharging hopper which is sleeved outside the adjusting mechanism and fixedly connected with the mounting frame, the discharging hopper is arranged into an annular structure which is coaxially arranged with the transmission main shaft, the opening of the discharging hopper is fixedly provided with an annular blocking plate which is in sealing connection and matched with the opening of the discharging hopper, a second discharging channel which is used for being connected with the bottom of the box and the blocking plate is arranged between the bottom of the grinding box in the fine grinding mechanism and the blocking plate, the second discharging channel is provided with four discharging channels which are arranged in an array mode along the circumferential direction of the blocking plate, the lower end face of the discharging hopper is obliquely arranged, the oblique angle of the discharging hopper is larger than thirty degrees and smaller than sixty degrees, the lower end of the discharging hopper in the oblique direction is provided with a discharging channel with openings at two ends, the input end of the discharging channel is connected with the oblique lower end;
the discharging component is arranged in the working process, fine-ground powdery grains at the bottom of the grinding box in the fine grinding mechanism fall into the discharging hopper from the discharging channel II, and the fine-ground powdery grains slide towards the inclined lower end of the discharging hopper along the discharging hopper under the action of self gravity and are discharged to a discharging point through the discharging channel.
As a further optimization or improvement of the present solution.
The coaxial (mixing) shaft that is provided with in the feed hopper, the (mixing) shaft upwards extends to feed hopper's big opening department, the downwardly extending activity passes casing one and with the coaxial fixed connection of initiative bevel gear, be provided with puddler group on the outer disc of (mixing) shaft, puddler group is provided with five and arranges along the axial array of (mixing) shaft, puddler group is including fixed mounting in the puddler on the (mixing) shaft outer disc, the axial of puddler is arranged along the radial of (mixing) shaft, the puddler is provided with four and arranges along the (mixing) shaft place circumferencial direction array.
As a further optimization or improvement of the present solution.
The grinding device also comprises an adjusting mechanism for adjusting the up-and-down floating of the rotating grinding disc, a transmission main shaft which is used for driving the rotating grinding disc to rotate and is coaxially and fixedly connected with the output end of the motor, the transmission main shaft and a sleeve barrel are coaxially arranged, the sleeve barrel in the coarse grinding mechanism is sleeved on the top of the transmission main shaft and forms spline connection fit with the transmission main shaft, the sleeve barrel can slide up and down along the transmission main shaft, the sleeve barrel in the fine grinding mechanism is sleeved on the middle position of the transmission main shaft along the axial direction of the transmission main shaft and forms spline connection fit with the transmission main shaft, and the sleeve barrel can slide up and;
the adjusting mechanism comprises a circular supporting plate coaxially and movably sleeved outside the transmission main shaft, the supporting plate is positioned below the fine grinding mechanism, a first supporting spring is movably sleeved outside the transmission main shaft and positioned between the supporting plate and a fixed frame in the fine grinding mechanism, one end of the first supporting spring is abutted against the supporting plate, the other end of the first supporting spring is abutted against a fixed frame in the fine grinding mechanism, the elastic force of the first supporting spring is always directed to the fixed frame in the fine grinding mechanism by the supporting plate, a second supporting spring is also movably sleeved outside the transmission main shaft and positioned between the fixed frame in the fine grinding mechanism and the fixed frame in the rough grinding mechanism, one end of the second supporting spring is abutted against the fixed frame in the fine grinding mechanism, the other end of the second supporting spring is abutted against the fixed frame in the rough grinding mechanism, and the elastic force of the second supporting spring is always directed to the fixed frame in the rough grinding mechanism by the fixed frame in the fine grinding mechanism, the first supporting spring and the second supporting spring are equal in length and elastic coefficient.
As a further optimization or improvement of the present solution.
The adjusting mechanism further comprises a second cylindrical shell fixedly connected with the mounting frame and coaxially and movably sleeved outside the transmission main shaft, the second cylindrical shell is located below the abutting plate, a guide rod vertically extending upwards is fixedly arranged on the outer circular surface of the second cylindrical shell, the four guide rods are arranged in an array manner along the circumferential direction of the second cylindrical shell, the abutting plate is sleeved on the guide rod, the two guide rods and the two guide rods form sliding guide fit along the vertical direction, a hollow screw rod is coaxially and rotatably sleeved outside the transmission main shaft and can vertically slide along the transmission main shaft, the hollow screw rod is fixedly connected with the lower end surface of the abutting plate, the lower end of the hollow screw rod movably penetrates through the second cylindrical shell and extends into the second cylindrical shell, a driven adjusting gear sleeved outside the hollow screw rod is coaxially and rotatably arranged in the second cylindrical shell, the driven adjusting gear and the hollow screw rod form threaded connection fit, and a driving adjusting gear axially parallel to the radial direction of, the driving adjusting gear and the driven adjusting gear are bevel gears and are meshed with each other, adjusting rods which extend outwards along the radial direction of the shell are rotatably arranged on the second machine shell, one end of each adjusting rod is coaxially and fixedly connected with the driving adjusting gear, and a hand wheel is coaxially and fixedly arranged at the other end of each adjusting rod.
Compared with the prior art, the grain grinder has the advantages of ingenious structure, simple principle, convenience in operation and use, wide range of application to grains, capability of simultaneously performing coarse grinding and fine grinding on the grains, and adjustable grain grinding granularity.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
Fig. 4 is an installation view of the feeding member.
Fig. 5 is a partial structural schematic view of the feeding member.
Fig. 6 is a partial structural schematic view of the feeding member.
Fig. 7 is a partial structural schematic view of a feeding part.
Fig. 8 is a partial cross-sectional view of the feeder part.
FIG. 9 is a view of the planetary gear reducer and the auger.
FIG. 10 is a drawing showing the combination of the planetary gear reducer and the auger.
FIG. 11 is a schematic view of the structure of the stirring shaft.
Fig. 12 is a view showing the grinding means in cooperation with the feed member.
Fig. 13 is a schematic structural view of the rough grinding mechanism.
Fig. 14 is a partial structural schematic view of the rough grinding mechanism.
Fig. 15 is an internal structural schematic diagram of the rough grinding mechanism.
Fig. 16 is an internal structural view of the rough grinding mechanism.
Fig. 17 is a schematic structural view of the rough grinding region M.
Fig. 18 is a partial structural schematic view of the rough grinding mechanism.
Figure 19 shows a view of the refining mechanism in combination with a drive spindle.
Fig. 20 is a combination view of the finish grinding mechanism and the rough grinding mechanism.
Fig. 21 is a view of the rough grinding mechanism in cooperation with the planetary gear reducer.
Fig. 22 is a partial structural view of the float adjustment mechanism.
Fig. 23 is a partial structural view of the float adjustment mechanism.
Fig. 24 is a schematic view of the internal structure of the float adjustment mechanism.
Fig. 25 shows a combination of a refining mechanism and a discharge member.
Fig. 26 is a schematic view of a discharge member.
Detailed Description
A double-layer multi-channel grain grinding processing method comprises the following steps:
(I) a charging stage;
s1: a user pours dry grains into the feeding hopper 204 of the feeding part 200, grains slide into the material storage area 203 from the feeding hopper 204, the auger 208 rotates to convey the grains in the material storage area 203 to the discharging barrel 207, and the grains slide into the coarse grinding mechanism 310 from the discharging barrel 207;
the feeding component 200 comprises a storage cylinder 201 which is fixedly installed on the installation frame 100 and has an opening arranged vertically and upwardly, a hollow casing 202 is fixedly arranged at the middle position of the bottom of the storage cylinder 201, the casing 202 and the storage cylinder 201 are arranged at intervals and form a storage area 203 therebetween, a conical feeding funnel 204 which is connected and communicated with the opening of the storage cylinder 201 is coaxially and fixedly arranged at the opening of the storage cylinder 201, a large opening of the feeding funnel 204 is positioned above a small opening, a conveying cylinder 205 which is connected and communicated with the inside of the storage cylinder 201 is fixedly arranged on the outer circumferential surface of the storage cylinder 201, the axial direction of the conveying cylinder 205 is parallel to the radial direction of the storage cylinder 201 and the conveying cylinder 205 is arranged close to the bottom of the storage cylinder 201, an end cover 206 for sealing and sealing the conveying cylinder 205 is arranged at one end which is far away from the storage cylinder 201, the conveying cylinder 205 is provided with four storage, a discharging cylinder 207 which is communicated with the inside of the conveying cylinder 205 and is vertically and downwardly arranged at the opening is fixedly arranged on the outer circular surface of the conveying cylinder 205, the discharging cylinder 207 is arranged close to the end cover 206, the output end of the discharging cylinder is communicated with the rough grinding mechanism 310, an auger 208 which is coaxially arranged with the conveying cylinder 205 is movably arranged between the end cover 206 and the first machine shell 202, the auger 208 is matched with the conveying cylinder 205, one end of the auger 208 is in rotating connection and matching with the end cover 206, the other end of the auger 208 is in rotating connection and matching with the first machine shell 202, and the end;
the feeding part 200 comprises a planetary gear reducer 220 which is arranged below the storage barrel 201 and fixedly connected with the storage barrel 201, an input shaft and an output shaft in the planetary gear reducer 220 are coaxially arranged with the storage barrel 201, the input end of the planetary gear reducer 220 is used for receiving the driving power of the motor 500, the input shaft of the planetary gear reducer 220 is positioned below the output shaft of the planetary gear reducer 220, the output shaft of the planetary gear reducer 220 movably penetrates through the storage barrel 201 and the first machine shell 202 to extend into the first machine shell 202, a driving bevel gear 221 is coaxially and fixedly sleeved at the end, the driving end of the packing auger 208 extends into the first machine shell 202, a driven bevel gear 222 is coaxially and fixedly sleeved at the end, and the driving bevel gear 221 is meshed with the driven bevel gear 222;
in the working process of the feeding component 200, a user pours grains waiting for being milled into the feeding hopper 204, the grains fall into the storage area 203 under the action of self gravity, in the process, an output shaft of the planetary gear reducer 220 drives the driving bevel gear 221 to rotate, the driving bevel gear 221 drives the driven bevel gear 222 to rotate, the driven bevel gear 222 drives the packing auger 208 to rotate, the packing auger 208 conveys the grains in the storage area 203 into the discharging barrel 207, and the grains fall into the rough grinding mechanism 310 from the discharging barrel 207 under the action of self gravity to be milled;
(II) a milling stage;
s2: the coarse grinding mechanism 310 receives the grains discharged from the feed cylinder 207, and the coarse grinding mechanism 310 rotates and performs coarse grinding processing on the grains to convert the grains into powder with larger granularity;
the rough grinding mechanism 310 comprises an annular grinding box 311a with an opening vertically upward and coaxially arranged with the storage cylinder 201, a box cover 311b matched with the opening of the grinding box 311a is arranged at the opening of the grinding box 311a, the box cover 311b and the inner circular surface of the grinding box 311a are arranged at intervals and form an annular opening 312 with the same diameter as the inner circular surface of the grinding box 311a, a fixing ring 311c is coaxially and fixedly sleeved on the outer circular surface of the grinding box 311a, the fixing ring 311c is fixedly connected with the mounting frame 100, an annular plate 313 used for sealing the annular opening 312 is coaxially and rotatably arranged on the annular opening 312, the annular plate 313 is attached to the inner circular surface of the grinding box 311a and the inner circular surface of the box cover 311b, the annular plate 313 can float up and down along the vertical direction, an annular rotating grinding disc 314 is coaxially and fixedly sleeved on the outer circular surface of the annular plate 313, the rotating grinding disc 314 extends into the grinding box 311a from the annular opening 312, and the diameter of, the rotary grinding disc 314 can float up and down along the annular opening 312, a grinding area M is formed between the rotary grinding disc 314 and the box cover 311b, the lower charging barrel 207 is positioned right above the box cover 311b, and the output end of the lower charging barrel 207 is connected and communicated with the grinding area M;
the upper end surface of the rotating grinding disc 314 is provided with a first friction groove 315, the first friction groove 315 penetrates from the outer circular surface of the rotating grinding disc 314 to the inner circular surface of the rotating grinding disc, the first friction groove 315 is provided with a plurality of first friction grooves and is arranged in an array manner along the circumferential direction of the rotating grinding disc 314, the length direction of the first friction groove 315 deviates thirty degrees from the radial direction of the rotating grinding disc 314, the lower end surface of the box cover 311b is provided with a second friction groove 316, the second friction groove 316 is provided with a plurality of second friction grooves and is arranged in an array manner along the circumferential direction of the box cover 311b, and the second;
an annular baffle 317 which is arranged with the same diameter as the rotary grinding disc 314 is coaxially and fixedly arranged on the lower end surface of the box cover 311b, and a blanking gap 318 for enabling the powdery grains to slide down is formed between the baffle 317 and the rotary grinding disc 314;
a fixed frame 319a is arranged on the inner circular surface of the annular plate 313, a sleeve 319b coaxially arranged with the annular plate 313 is fixedly arranged on the fixed frame 319a, an input shaft of the planetary gear reducer 220 is inserted into the sleeve 319b, the input shaft and the sleeve 319b form spline connection and matching, and the sleeve 319b can slide up and down along the input shaft of the planetary gear reducer 220;
s3: the grains after the rough grinding fall into the fine grinding mechanism 320 from the rough grinding mechanism 310, and the fine grinding mechanism 320 rotates and performs fine grinding processing on the grains to convert the grains into powder with smaller granularity;
the structure, shape, size and connection relationship of the finish grinding mechanism 320 and the rough grinding mechanism 310 are completely consistent, the distance between the rotating grinding disc 314 and the box cover 311b in the finish grinding mechanism 320 is smaller than the distance between the rotating grinding disc 314 and the box cover 311b in the rough grinding mechanism 310, a first discharging channel for connecting and communicating the first discharging channel and the second discharging channel is arranged between the bottom of the grinding box 311a in the rough grinding mechanism 310 and the grinding area M in the finish grinding mechanism 320, and the first discharging channels are provided with four discharging channels and are arranged in an array along the circumferential direction of the box cover 311b of the finish grinding mechanism;
the grinding following device 300 further comprises an adjusting mechanism 330 for floating and supporting the rotating grinding disc 314 and a transmission main shaft 340 for driving the socket 319b to rotate and coaxially and fixedly connected with the motor 500;
during the process of grinding the grains, the grain is discharged from the feeding part 200 into the grinding area M in the coarse grinding mechanism 310 by the lower charging barrel 207, the motor 500 drives the sleeve 319b to rotate, the sleeve 319b drives the rotary grinding disc 314 to synchronously rotate and is matched with the box cover 311b to coarsely grind the grains into powder, the coarsely ground and powdered grains fall into the bottom of the grinding box 311a through the blanking gap 318 in a centrifugal mode, then the coarsely ground and powdered grains fall into the grinding area M in the fine grinding mechanism 320 through the first blanking channel, the rotary grinding disc 314 and the box cover 311b in the fine grinding mechanism 320 are further refined and ground, the grain size is further reduced, the coarsely ground and powdered grains are converted into finely ground and powdered grains, and then the finely ground and powdered grains fall into the box bottom of the grinding box 311a in the fine grinding mechanism 320 through the blanking gap 318;
(III) discharging;
s4: the refined and processed grains fall into the discharge part 400 from the refining mechanism 320 and are discharged to a discharge point from the output end of the discharge part 400;
the discharging component 400 comprises a discharging hopper 401 sleeved outside the adjusting mechanism 330 and fixedly connected with the mounting rack 100, the discharging hopper 401 is arranged in an annular structure coaxially arranged with the transmission main shaft 340, the opening of the discharging hopper 401 is fixedly provided with an annular blocking plate 402 which is in sealing connection and matching with the opening of the discharging hopper 401, a second discharging channel which is used for connecting the bottom of the pulverizing box 311a in the fine grinding mechanism 320 and the blocking plate 402 is arranged between the bottom of the pulverizing box 311a and the blocking plate 402, the second discharging channel is provided with four discharging channels which are arranged in an array manner along the circumferential direction of the blocking plate 402, the lower end surface of the discharging hopper 401 is obliquely arranged, the oblique angle is larger than thirty degrees and smaller than sixty degrees, the lower end of the discharging hopper 401 along the oblique direction of the discharging hopper 401 is provided with a discharging channel 403 with openings at two ends, the input end of the discharging channel 403 is connected and communicated, The output end points to the discharge point;
in the operation of the discharge member 400, the grain refined into powder at the bottom of the pulverizing box 311a in the refining mechanism 320 falls into the discharge hopper 401 from the second discharge channel, and under the action of its own gravity, the grain refined into powder slides along the discharge hopper 401 toward the inclined lower end thereof, and is finally discharged to a discharge point through the discharge channel 403.
A double-layer multi-channel grain millstone crusher comprises a mounting frame 100, a feeding part 200, a grinding device 300, a discharging part 400 and a motor 500 which are fixedly arranged on the mounting frame 100 and are sequentially arranged from top to bottom, wherein the grinding device 300 comprises a rough grinding mechanism 310 used for rough grinding of grains, the inlet end of the feeding part 200 is arranged with an upward opening, the outlet end of the feeding part is connected and communicated with the inlet end of the rough grinding mechanism 310, the outlet end of the rough grinding mechanism 310 is connected and communicated with the inlet end of the fine grinding mechanism 320, the outlet end of the fine grinding mechanism 320 is connected and communicated with the inlet end of the discharging part 400, the outlet end of the discharging part 400 points to a discharging point, and the motor 500 is used for providing motive power for the feeding part 200 and the grinding device 300.
In the process of grinding grains, a user pours dry grains into the feeding part 200 from the input end thereof, the feeding part 200 conveys the grains into the rough grinding mechanism 310, the rough grinding mechanism 310 rotates and performs rough grinding processing on the grains to convert the grains into powder with larger grain size, then the grains after rough grinding processing fall into the fine grinding mechanism 320 from the rough grinding mechanism 310, the fine grinding mechanism 320 rotates and performs fine grinding processing on the grains to convert the grains into powder with smaller grain size, and finally the grains after fine grinding processing fall into the discharge part 400 from the fine grinding mechanism 320 and are discharged to a discharge point from the output end of the discharge part 400.
The feeding component 200 comprises a storage cylinder 201 which is fixedly installed on the installation frame 100 and has a vertically upward opening, a hollow casing 202 is fixedly arranged at the middle position of the bottom of the storage cylinder 201, the casing 202 and the storage cylinder 201 are arranged at a distance, a storage area 203 is formed between the casing 202 and the storage cylinder 201, a conical feeding funnel 204 which is connected and communicated with the opening of the storage cylinder 201 is coaxially and fixedly arranged at the opening of the storage cylinder 201, a large opening of the feeding funnel 204 is positioned above a small opening, in order to discharge grains in the storage area 203 into the rough grinding mechanism 310, a conveying cylinder 205 which is connected and communicated with the inside of the storage cylinder 201 is fixedly arranged on the outer circumferential surface of the storage cylinder 201, the axial direction of the conveying cylinder 205 is parallel to the radial direction of the storage cylinder 201, the conveying cylinder 205 is arranged near the bottom of the storage cylinder 201, an end cover 206 which is used for sealing and sealing the conveying cylinder 205 is arranged at one end, the four conveying cylinders 205 are arranged in an array along the circumferential direction of the storage cylinder 201, the outer circular surface of each conveying cylinder 205 is fixedly provided with a lower cylinder 207 which is communicated with the inner part of each conveying cylinder and the opening of each lower cylinder is vertically arranged downwards, the lower cylinder 207 is arranged close to the end cover 206, the output end of each lower cylinder is communicated with the rough grinding mechanism 310, in order to convey grains in the storage area 203 to the lower cylinder 207, an auger 208 which is coaxially arranged with the conveying cylinders 205 is movably arranged between the end cover 206 and the first machine shell 202, the auger 208 is matched with the conveying cylinders 205, one end of the auger 208 is matched with the end cover 206 in a rotating manner, the other end of the auger 208 is matched with the first machine shell 202 in a rotating manner and is a driving end, the grains in the storage area 203 are conveyed to the lower cylinders 207 through the rotation of the auger 208, and fall into the rough grinding mechanism 310 from the.
In order to drive the four augers 208 to synchronously rotate, the feeding component 200 comprises a planetary gear reducer 220 which is arranged below the storage cylinder 201 and is fixedly connected with the storage cylinder 201, an input shaft and an output shaft of the planetary gear reducer 220 are coaxially arranged with the storage cylinder 201, an input end of the planetary gear reducer 220 is used for receiving the driving power of the motor 500, the input shaft of the planetary gear reducer 220 is positioned below an output shaft of the planetary gear reducer 220, the output shaft of the planetary gear reducer 220 movably penetrates through the storage cylinder 201 and the first machine shell 202 and extends to the inside of the first machine shell 202, a driving bevel gear 221 is coaxially and fixedly sleeved at the end, a driving end of the auger 208 extends into the first machine shell 202, a driven bevel gear 222 is coaxially and fixedly sleeved at the end, the driving bevel gear 221 is meshed with the driven, the auger 208 is driven to rotate by the planetary gear reducer 220 and delivers the grain into the rough grinding mechanism 310.
In order to avoid the blockage of grains in the process of falling into the storage cylinder 201 from the feeding hopper 204, a stirring shaft 230 is coaxially arranged in the feeding hopper 204, the stirring shaft 230 extends upwards to a large opening of the feeding hopper 204, extends downwards to movably penetrate through the first machine shell 202 and is coaxially and fixedly connected with the driving bevel gear 221, a stirring rod group is arranged on the outer circumferential surface of the stirring shaft 230, five stirring rod groups are arranged and are arranged in an axial array along the stirring shaft 230, each stirring rod group comprises stirring rods 231 fixedly installed on the outer circumferential surface of the stirring shaft 230, the axial directions of the stirring rods 231 are arranged in the radial direction of the stirring shaft 230, four stirring rods 231 are arranged and are arranged in an array along the circumferential direction of the stirring shaft 230, and the blockage of grains in the process of falling into the storage cylinder 201 from the feeding hopper 204 is avoided through.
In order to perform rough grinding processing on the rough grinding falling into the rough grinding mechanism 310, the rough grinding mechanism 310 comprises an annular grinding box 311a with an opening facing vertically upwards and arranged coaxially with the storage cylinder 201, a box cover 311b matched with the opening of the grinding box 311a is arranged at the opening of the grinding box 311a, the box cover 311b and the inner circular surface of the grinding box 311a are arranged at a distance, and form an annular opening 312 with the same diameter as the inner circular surface of the grinding box 311a, a fixing ring 311c is coaxially fixed and sleeved on the outer circular surface of the grinding box 311a and fixedly connected with the mounting frame 100, an annular plate 313 used for sealing the annular opening 312 is coaxially and rotatably arranged on the annular opening 312, the annular plate 313 is attached to the inner circular surface of the grinding box 311a and the inner circular surface of the box cover 311b, and the annular plate 313 can float up and down along the vertical direction, an annular rotating grinding disc 314 is coaxially fixed and sleeved on the outer circular surface of the annular plate 313, the rotating grinding disc 314 extends from the annular opening The diameter of the outer disc of case 311a, it can float from top to bottom along annular mouth 312 to rotate grinding dish 314, has constituted the crocus district M between rotation grinding dish 314 and the case lid 311b, and in order to facilitate feed unit 200 to carry cereal to crocus district M, feed cylinder 207 is located case lid 311b directly over and the output of feed cylinder 207 is connected the switch-on with crocus district M down, contradicts cereal through rotating grinding dish 314 and compresses tightly in the lower terminal surface of case lid 311b, then rotates grinding dish 314 rotation and grinds the powder to cereal.
Specifically, in order to improve the efficiency of cereal crocus, friction groove 315 has been seted up to the up end of rotation mill 314, and friction groove 315 runs through to its inner circle face by the outer disc of rotation mill 314, and friction groove 315 is provided with a plurality ofly and arranges along rotation mill 314 place circumferencial direction array, and the radial thirty degrees of rotation mill 314 are rotated in the length direction skew of friction groove 315, friction groove two 316 has been seted up to the lower terminal surface of case lid 311b, and friction groove two 316 is provided with a plurality ofly and arranges along case lid 311b place circumferencial direction array, and friction groove two 316 corresponds from top to bottom with friction groove 315, through the mutually supporting of friction groove one 315 and friction groove two 316, fully grinds the cereal that falls into to milling district M.
More specifically, in order to avoid falling into the cereal in the crocus district M along with the rotation centrifugation landing of rotating mill 314 and go out crocus district M, the coaxial fixed annular baffle 317 that is provided with and rotates mill 314 isopiameter of case lid 311b, has formed the blanking gap 318 that is used for likepowder cereal landing between baffle 317 and the rotation mill 314, and the meaning of taking this scheme lies in, and baffle 317 prevents the cereal centrifugation landing of not abundant crocus.
More specifically, in order to drive the rotating grinding disc 314 to rotate around its own axis, a fixed mount 319a is provided on the inner circumferential surface of the annular plate 313, a sleeve 319b coaxially arranged with the annular plate 313 is fixedly provided on the fixed mount 319a, the input shaft of the planetary gear reducer 220 is inserted into the sleeve 319b, and the two are in spline connection and fit, and the sleeve 319b can slide up and down along the input shaft of the planetary gear reducer 220, drives the rotating grinding disc 314 to rotate around its own axis by driving the sleeve 319b, and transmits power to the feeding component 200.
The structure, shape, size and connection relationship of the fine grinding mechanism 320 and the rough grinding mechanism 310 are completely consistent, the distance between the rotating grinding disc 314 and the box cover 311b in the fine grinding mechanism 320 is smaller than the distance between the rotating grinding disc 314 and the box cover 311b in the rough grinding mechanism 310, a first discharging channel for connecting and connecting the first discharging channel and the second discharging channel is arranged between the bottom of the grinding box 311a in the rough grinding mechanism 310 and the grinding area M in the fine grinding mechanism 320, the first discharging channel is provided with four discharging channels and is arranged in an array mode along the circumferential direction of the box cover 311b of the fine grinding mechanism, and the fine grinding mechanism 320 realizes fine grinding treatment on grains by narrowing the distance between the rotating grinding disc 314 and the box cover 311 b.
In the process of grinding grains, the feeding barrel 207 discharges the grains from the feeding part 200 to the grinding area M in the coarse grinding mechanism 310, the motor 500 drives the sleeve 319b to rotate, the sleeve 319b drives the rotary grinding disc 314 to synchronously rotate and is mutually matched with the box cover 311b to coarsely grind the grains into powder, the coarsely ground grains fall into the bottom of the grinding box 311a through the blanking gap 318 in a centrifugal manner, then, the coarsely ground and powdered grains fall into the grinding area M in the fine grinding mechanism 320 through the first discharge passage, and are further finely ground and ground by the rotating grinding disc 314 and the box cover 311b in the fine grinding mechanism 320, so that the grain size is further reduced, the coarsely ground and powdered grains are converted into finely ground and powdered grains, then, the grain refined into powder falls into the bottom of the grinding box 311a in the refining mechanism 320 from the blanking gap 318, and the grinding of the grain is completed.
From the above, if the rough grinding mechanism 310 or the fine grinding mechanism 320 is required to grind grains, the sleeve 319b needs to be driven to rotate, and if different types of grains can be ground, the distance between the rotating grinding disc 314 and the box cover 311b needs to be adjusted, for this purpose, the grinding apparatus 300 further includes an adjusting mechanism 330 for adjusting the vertical floating of the rotating grinding disc 314, a transmission main shaft 340 for driving the rotating grinding disc 314 to rotate and coaxially and fixedly connected with the output end of the motor 500, the transmission main shaft 340 and the sleeve 319b are coaxially arranged, the sleeve 319b in the rough grinding mechanism 310 is sleeved on the top of the transmission main shaft 340 and forms a spline connection fit with the transmission main shaft 340, the sleeve 319b can slide up and down along the transmission main shaft 340, the sleeve 319b in the fine grinding mechanism 310 is sleeved on the middle position of the transmission main shaft 340 along the axial direction thereof and forms a spline connection fit with the transmission main shaft, and the sleeve 319b can slide up and down along the transmission main shaft 340, and the transmission main shaft 340 drives the rotary grinding disc 314 to rotate, so that the technical scheme is adopted, and the up-and-down floating adjustment of the adjusting mechanism 330 on the rotary grinding disc 314 is not influenced on the premise that the rotary grinding disc 314 can be driven to rotate.
Specifically, in order to effectively support the rotating millstone 314 and adjust the vertical floating of the rotating millstone 314, the adjusting mechanism 330 includes a circular pushing plate 331 coaxially and movably sleeved outside the transmission main shaft 340, the pushing plate 331 is located below the fine grinding mechanism 320, the transmission main shaft 340 is movably sleeved with a first supporting spring 332, the first supporting spring 332 is located between the pushing plate 331 and the fixed frame 319a in the fine grinding mechanism 320, one end of the first supporting spring 332 abuts against the pushing plate 331, the other end abuts against the fixed frame 319a in the fine grinding mechanism 320, the elastic force of the first supporting spring 332 always points to the fixed frame 319a in the fine grinding mechanism 320 from the pushing plate 331, the outside of the transmission main shaft 340 is also movably sleeved with a second supporting spring 333, and the second supporting spring 333 is located between the fixed frame 319a in the fine grinding mechanism 320 and the fixed frame 319a in the coarse grinding mechanism 310, one end of the second supporting spring 333 is abutted against the fixed frame 319a in the fine grinding mechanism 320, the other end of the second supporting spring 333 is abutted against the fixed frame 319a in the rough grinding mechanism 310, the elastic force of the second supporting spring 333 always points to the fixed frame 319a in the rough grinding mechanism 310 from the fixed frame 319a in the fine grinding mechanism 320, the first supporting spring 332 and the second supporting spring 333 have the same length and the same elastic coefficient, and the vertical floating of the rotary grinding disc 314 is adjusted by adjusting the vertical floating of the abutting plate 331.
More specifically, in order to drive the pushing plate 331 to float up and down, the adjusting mechanism 330 further includes a second cylindrical casing 335 fixedly connected to the mounting block 100 and coaxially and movably sleeved outside the transmission spindle 340, the second casing 335 is located below the pushing plate 331, a guide rod 336 extending vertically and upwardly is fixedly disposed on an outer circumferential surface of the second casing 335, the guide rod 336 is provided with four guide rods 336 and is arranged in an array manner along a circumferential direction of the second casing 335, the pushing plate 331 is sleeved on the guide rod 336 and forms a sliding guide fit along the vertical direction, a hollow screw 334 is coaxially and rotatably sleeved outside the transmission spindle 340 and can slide up and down along the transmission spindle 340, the hollow screw 334 is fixedly connected to a lower end surface of the pushing plate 331, a lower end of the hollow screw 334 movably extends to the inside of the casing 335 through the second casing 335, a driven adjusting gear 337a sleeved outside the hollow screw is coaxially and rotatably disposed in the second casing 335, the driven adjusting gear 337a and the hollow screw 334 form a threaded connection and match, a driving adjusting gear 337b arranged axially parallel to the radial direction of the driven adjusting gear 337a are rotatably arranged in the second housing 335, the driving adjusting gear 337b and the driven adjusting gear 337a are both bevel gears and are engaged with each other, an adjusting rod 338 arranged along the radial direction and extending outwards is rotatably arranged on the second housing 335, one end of the adjusting rod 338 is coaxially and fixedly connected with the driving adjusting gear 337b, the other end of the adjusting rod is coaxially and fixedly provided with a hand wheel 339, and the up-and-down floating of the pushing plate 331 is adjusted by rotating the hand wheel 339.
During the operation of the adjusting mechanism 330, if the distance between the rotating grinding disc 314 and the box cover 311b needs to be reduced, the user rotates the hand wheel 339 to rotate forward, the hand wheel 339 drives the adjusting rod 338 to rotate, the adjusting rod 338 drives the driving adjusting gear 337b to rotate, the driving adjusting gear 337b drives the driven adjusting gear 337a to rotate, the rotation of the driven adjusting gear 337a causes the hollow screw 334 to slide vertically upward, the pushing rod 331 synchronously moves upward, the pushing plate 331 compresses the first supporting spring 332 and floats the rotating grinding disc 314 in the fine grinding mechanism 320 upward, the rotating grinding disc 314 in the fine grinding mechanism 320 compresses the second supporting spring 333 and floats the rotating grinding disc 314 in the coarse grinding mechanism 310 upward, and the distance between the rotating grinding disc 314 in the fine grinding mechanism 320 and the rotating grinding disc 314 in the coarse grinding mechanism 310 upward is equal to the distance, if the distance between the rotating grinding disc 314 and the box cover 311b needs to be increased, the user rotates the handwheel 339 to reverse, which is opposite to the process of reducing the distance between the rotating grinding disc 314 and the box cover 311b, and is not described in detail.
In order to discharge the grains finely ground into powder at the bottom of the grinding box 311a in the fine grinding mechanism 320, the discharge part 400 includes a discharge hopper 401 sleeved outside the adjusting mechanism 330 and fixedly connected with the mounting frame 100, the discharge hopper 401 is set to be an annular structure coaxially arranged with the transmission main shaft 340, and the opening of the discharge hopper 401 is vertically arranged upwards, an annular blocking plate 402 forming sealing connection and matching with the opening of the discharge hopper 401 is fixedly arranged at the opening of the discharge hopper 401, a second discharge channel for connecting the bottom of the grinding box 311a in the fine grinding mechanism 320 and the blocking plate 402 is arranged between the bottom of the box and the blocking plate 402, the second discharge channel is provided with four discharge channels arranged in an array manner along the circumferential direction of the blocking plate 402, in order to discharge the grains finely ground into powder in the discharge hopper 401, the lower end surface of the discharge hopper 401 is obliquely arranged, and the oblique angle is more than thirty degrees and less than sixty degrees, the lower end of the discharge hopper 401 along the oblique direction is provided with, the input end of the discharge channel 403 is connected to the inclined lower end of the discharge hopper 401, and the output end is directed to the discharge point.
In the operation of the discharge member 400, the grain refined into powder at the bottom of the pulverizing box 311a in the refining mechanism 320 falls into the discharge hopper 401 from the second discharge channel, and under the action of its own gravity, the grain refined into powder slides along the discharge hopper 401 toward the inclined lower end thereof, and is finally discharged to a discharge point through the discharge channel 403.
Claims (8)
1. A double-layer multi-channel grain grinding processing method comprises the following steps:
(I) a charging stage;
s1: a user pours dried grains into a feeding hopper of a feeding part, grains slide into a storage area from the feeding hopper, an auger rotates to convey the grains in the storage area to a discharging barrel, and the grains slide into a coarse grinding mechanism from the discharging barrel;
in the working process of the feeding component, a user pours grains waiting for milling into a feeding hopper, the grains fall into a storage area under the action of self gravity, in the process, an output shaft of a planetary gear reducer drives a driving bevel gear to rotate, the driving bevel gear drives a driven bevel gear to rotate, the driven bevel gear drives an auger to rotate, the auger conveys the grains in the storage area into a discharging barrel, and the grains fall into a coarse grinding mechanism from the discharging barrel under the action of self gravity to be milled and processed;
(II) a milling stage;
s2: the grain introduced into the grinding device firstly enters the rough grinding mechanism and is subjected to rough grinding by the rough grinding mechanism, and the grinding device comprises a rough grinding mechanism for performing rough grinding processing on the grain, an accurate grinding mechanism for performing accurate grinding processing on the grain and an adjusting mechanism for adjusting the grain size of the rough grinding mechanism and the accurate grinding mechanism; the coarse grinding mechanism receives grains discharged by the discharging barrel, rotates and performs coarse grinding processing on the grains to convert the grains into powder with larger granularity;
the coarse grinding mechanism comprises an annular grinding box with an upward vertical opening and coaxially arranged with the storage cylinder, a box cover matched with the grinding box is arranged at the opening of the grinding box, the box cover and the inner circular surface of the grinding box are arranged at intervals and form an annular opening with the diameter equal to that of the inner circular surface of the grinding box, a fixing ring is coaxially fixed and sleeved on the outer circular surface of the grinding box and fixedly connected with a mounting rack, an annular plate used for plugging the annular opening is coaxially and rotatably arranged on the annular opening, the annular plate is attached to the inner circular surface of the grinding box and the inner circular surface of the box cover and can vertically float up and down, an annular rotating grinding disc is coaxially fixed and sleeved on the outer circular surface of the annular plate, the rotating grinding disc extends into the grinding box from the annular opening and has the diameter smaller than that of the outer circular surface of the grinding box, the rotating grinding disc can float up and down along the annular opening, a grinding area M is, the discharging barrel is positioned right above the box cover, and the output end of the discharging barrel is connected and communicated with the powder grinding area M;
the upper end face of the rotating grinding disc is provided with a first friction groove, the first friction groove penetrates from the outer circular face of the rotating grinding disc to the inner circular face of the rotating grinding disc, the first friction grooves are arranged in a plurality of arrays along the circumferential direction where the rotating grinding disc is located, the length direction of the first friction grooves deviates thirty degrees from the radial direction of the rotating grinding disc, the lower end face of the box cover is provided with a second friction groove, the second friction grooves are arranged in a plurality of arrays along the circumferential direction where the box cover is located, and the second friction grooves correspond to the first friction grooves up and down;
the lower end face of the box cover is coaxially and fixedly provided with an annular baffle plate which is arranged in the same diameter as the rotary grinding disc, and a blanking gap for the powdery grains to slide down is formed between the baffle plate and the rotary grinding disc;
the inner circular surface of the annular plate is provided with a fixing frame, the fixing frame is fixedly provided with a sleeve barrel which is coaxially arranged with the annular plate, an input shaft of the planetary gear reducer is inserted in the sleeve barrel, the input shaft and the sleeve barrel form spline connection and matching, and the sleeve barrel can slide up and down along the input shaft of the planetary gear reducer;
s3: the grains after the coarse grinding fall into the fine grinding mechanism from the coarse grinding mechanism, and the fine grinding mechanism rotates and carries out fine grinding processing on the grains so as to convert the grains into powder with smaller granularity;
the structure, shape, size and connection relationship of the fine grinding mechanism and the coarse grinding mechanism are completely consistent, the distance between a rotating grinding disc and a box cover in the fine grinding mechanism is smaller than the distance between the rotating grinding disc and the box cover in the coarse grinding mechanism, a first discharging channel for connecting and communicating the first discharging channel and the second discharging channel is arranged between the bottom of a grinding box in the coarse grinding mechanism and a grinding area M in the fine grinding mechanism, and the first discharging channel is provided with four discharging channels which are arranged in an array manner along the circumferential direction of the box cover of the fine grinding mechanism;
the grinding device also comprises a transmission main shaft which is used for driving the rotary grinding disc to rotate and is coaxially and fixedly connected with the output end of the motor, the transmission main shaft and a sleeve barrel are coaxially arranged, the sleeve barrel in the coarse grinding mechanism is sleeved at the top of the transmission main shaft and forms spline connection fit with the transmission main shaft, the sleeve barrel can slide up and down along the transmission main shaft, the sleeve barrel in the fine grinding mechanism is sleeved at the middle position of the transmission main shaft along the axial direction of the transmission main shaft and forms spline connection fit with the transmission main shaft, and the sleeve barrel can slide up and down along the transmission main shaft;
the adjusting mechanism comprises a circular supporting plate coaxially and movably sleeved outside the transmission main shaft, the supporting plate is positioned below the fine grinding mechanism, a first supporting spring is movably sleeved outside the transmission main shaft and positioned between the supporting plate and a fixed frame in the fine grinding mechanism, one end of the first supporting spring is abutted against the supporting plate, the other end of the first supporting spring is abutted against a fixed frame in the fine grinding mechanism, the elastic force of the first supporting spring is always directed to the fixed frame in the fine grinding mechanism by the supporting plate, a second supporting spring is also movably sleeved outside the transmission main shaft and positioned between the fixed frame in the fine grinding mechanism and the fixed frame in the rough grinding mechanism, one end of the second supporting spring is abutted against the fixed frame in the fine grinding mechanism, the other end of the second supporting spring is abutted against the fixed frame in the rough grinding mechanism, and the elastic force of the second supporting spring is always directed to the fixed frame in the rough grinding mechanism by the fixed frame in the fine grinding mechanism, the first supporting spring and the second supporting spring have the same length and the same elastic coefficient;
in the process of grain grinding, the feeding barrel discharges grains into a grinding area M in the coarse grinding mechanism through the feeding part, the motor drives the sleeve barrel to rotate, the sleeve barrel drives the rotary grinding disc to synchronously rotate and is matched with the box cover to coarsely grind the grains into powder, the coarsely ground powdery grains fall into the bottom of the grinding box through the blanking gap in a centrifugal mode, then the coarsely ground powdery grains fall into the grinding area M in the fine grinding mechanism through the blanking channel, the rotary grinding disc and the box cover in the fine grinding mechanism further refine the grains, the grain size is further reduced, the coarsely ground powdery grains are converted into finely ground powdery grains, and then the finely ground powdery grains fall into the box bottom of the grinding box in the fine grinding mechanism through the blanking gap;
(III) discharging;
s4: the grains after fine grinding and processing fall into the discharge part from the fine grinding mechanism and are discharged to a discharge point from the output end of the discharge part;
the discharging component is arranged in the working process, fine-ground powdery grains at the bottom of the grinding box in the fine grinding mechanism fall into the discharging hopper from the discharging channel II, and the fine-ground powdery grains slide towards the inclined lower end of the discharging hopper along the discharging hopper under the action of self gravity and are discharged to a discharging point through the discharging channel.
2. The processing method of the double-layer multi-channel grain milling powder as claimed in claim 1, wherein the feeding part comprises a storage cylinder fixedly mounted on the mounting frame and having a vertically upward opening, a first hollow casing is fixedly arranged at the middle position of the bottom of the storage cylinder, the first casing and the storage cylinder are arranged at a distance and form a storage area therebetween, a conical feeding funnel is fixedly arranged coaxially at the opening of the storage cylinder and connected with the storage cylinder, a large opening of the feeding funnel is positioned above a small opening, a conveying cylinder connected with the storage cylinder is fixedly arranged on the outer circumferential surface of the storage cylinder, the axial direction of the conveying cylinder is parallel to the radial direction of the storage cylinder, the conveying cylinder is arranged close to the bottom of the storage cylinder, and an end cover for sealing and plugging the conveying cylinder is arranged at one end away from the storage cylinder.
3. The method as claimed in claim 2, wherein the four conveying cylinders are arranged in an array along a circumferential direction of the material storage cylinder, a lower cylinder is fixedly arranged on an outer circumferential surface of the conveying cylinder, the lower cylinder is connected with the inner part of the conveying cylinder and is vertically and downwardly arranged, the lower cylinder is arranged close to the end cover, the output end of the lower cylinder is connected with the coarse grinding mechanism, an auger coaxially arranged with the conveying cylinder is movably arranged between the end cover and the first casing, the auger is matched with the conveying cylinder, one end of the auger is in rotating connection with the end cover, the other end of the auger is in rotating connection with the first casing and is matched with the first casing, and the end of the auger is.
4. The method as claimed in claim 3, wherein the feeding member includes a planetary gear reducer disposed below and fixedly connected to the storage drum, an input shaft and an output shaft of the planetary gear reducer are coaxially disposed with the storage drum, an input end of the planetary gear reducer is configured to receive driving power of the motor, the input shaft of the planetary gear reducer is disposed below an output shaft of the planetary gear reducer, the output shaft of the planetary gear reducer movably passes through the storage drum and the first enclosure and extends into the first enclosure, and a driving bevel gear is coaxially fixed to the first enclosure, a driving end of the auger extends into the first enclosure and a driven bevel gear is fixed to the first enclosure and is engaged with the driven bevel gear.
5. The processing method of the double-layer multi-channel grain milling powder as claimed in claim 4, wherein the discharging component comprises a discharging hopper which is sleeved outside the adjusting mechanism and fixedly connected with the mounting frame, the discharging hopper is arranged in an annular structure which is coaxially arranged with the transmission main shaft, the opening of the discharging hopper is vertically and upwards arranged, an annular blocking plate which is matched with the discharging hopper in a sealing connection mode is fixedly arranged at the opening of the discharging hopper, a second discharging channel which is used for connecting the bottom of the milling powder box in the fine grinding mechanism and the blocking plate is arranged between the bottom of the milling powder box in the fine grinding mechanism and the blocking plate, and the second discharging channel is provided with four discharging channels which are arranged in an array mode.
6. A method as claimed in claim 5, wherein the lower end face of the hopper is inclined at an angle greater than thirty degrees and less than sixty degrees, the lower end of the hopper in the direction of inclination is provided with a discharge channel having openings at both ends, the input end of the discharge channel is connected to the inclined lower end of the hopper, and the output end of the discharge channel is directed to the discharge point.
7. The method as claimed in claim 4, wherein the mixer shaft is coaxially disposed in the hopper, the mixer shaft extends upward to the large opening of the hopper, extends downward to pass through the first housing and is coaxially and fixedly connected with the driving bevel gear, a mixer bar set is disposed on an outer circumferential surface of the mixer shaft, the mixer bar set includes five mixer bars fixedly disposed on the outer circumferential surface of the mixer shaft, the mixer bars are disposed in a radial direction of the mixer shaft, and the mixer bars are disposed in a circumferential direction of the mixer shaft.
8. The processing method of grain flour of claim 7, wherein the adjusting mechanism further comprises a second cylindrical housing fixedly connected with the mounting frame and coaxially and movably sleeved outside the transmission main shaft, the second housing is located below the pushing plate, the outer circumferential surface of the second housing is fixedly provided with guide rods extending vertically and upwardly, the guide rods are provided with four guide rods and are arranged in an array along the circumferential direction of the second housing, the pushing plate is sleeved on the guide rods and forms a sliding guide fit along the vertical direction, the outer part of the transmission main shaft is coaxially and rotatably sleeved with a hollow screw rod, the hollow screw rod can slide up and down along the transmission main shaft, the hollow screw rod is fixedly connected with the lower end surface of the pushing plate, the lower end of the hollow screw rod movably penetrates through the second housing to extend into the inner part of the second housing, the second housing is internally and coaxially and rotatably provided with a driven adjusting gear sleeved outside the hollow, the driven adjusting gear and the hollow screw rod form threaded connection and match, a driving adjusting gear arranged in an axial direction parallel to the radial direction of the driven adjusting gear is arranged in the second machine shell in a rotating mode, the driving adjusting gear and the driven adjusting gear are bevel gears and are meshed with each other, an adjusting rod arranged in an extending mode along the radial direction of the second machine shell in an outward extending mode is arranged on the second machine shell in a rotating mode, one end of the adjusting rod is fixedly connected with the driving adjusting gear in a coaxial mode, and a hand wheel is fixedly.
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| CN112473862A (en) * | 2020-11-13 | 2021-03-12 | 湖南连心科技有限公司 | Powder coating processing crocus system |
| CO2020014616A1 (en) * | 2020-11-25 | 2021-02-26 | Landers Y Cia S A S | Improved domestic hand mill |
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| KR20070101936A (en) * | 2006-04-13 | 2007-10-18 | 양형기 | Three-stage straitiform millstone-type pulverizer for doubling pulverization amount |
| US8573523B2 (en) * | 2010-03-30 | 2013-11-05 | Kok Technologies Inc. | Automatic and continuous rubber extracting device for extracting rubber from a rubber-bearing plant material |
| CN203264783U (en) * | 2013-05-24 | 2013-11-06 | 江阴市灿卓机械有限公司 | Grinding part gap adjustment structure |
| CN204159378U (en) * | 2014-10-22 | 2015-02-18 | 安徽燕之坊食品有限公司 | A kind of grinding disc adjusting device of grain grinder |
| CN104437740A (en) * | 2014-12-09 | 2015-03-25 | 重庆大嘉富食品有限公司 | Double-disc pulp-grinding device |
| CN206881802U (en) * | 2017-05-05 | 2018-01-16 | 河海大学 | Native machine is ground in a kind of experiment |
| CN107511212A (en) * | 2017-09-26 | 2017-12-26 | 无锡市特殊教育学校 | A kind of high-precision flour milling machine |
| CN109497597A (en) * | 2018-11-23 | 2019-03-22 | 临泉县腾源农业有限公司 | One boar food processing unit (plant) |
-
2019
- 2019-10-03 CN CN201910946168.4A patent/CN110575870B/en not_active Expired - Fee Related
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