CN117244641B

CN117244641B - Wheat processing system and processing method

Info

Publication number: CN117244641B
Application number: CN202311350305.0A
Authority: CN
Inventors: 侯大山; 高倩; 董胜旗; 李光; 刘鑫翠; 张辉; 宋小颖; 张广辉; 孙明清; 王瑞文; 张润博
Original assignee: Shijiazhuang Agricultural Technology Extension Center
Current assignee: Shijiazhuang Agricultural Technology Extension Center
Priority date: 2023-10-18
Filing date: 2023-10-18
Publication date: 2024-02-20
Anticipated expiration: 2043-10-18
Also published as: CN117244641A

Abstract

The invention discloses a wheat processing system and a processing method, and belongs to the technical field of wheat milling processing. The wheat processing system comprises a impurity removing device, a cleaning device, a centrifugal device, a drying device, a crushing device, a grinding device and a screening device which are sequentially arranged, wherein the cleaning device is connected with the centrifugal device through a conveyor, the drying device is arranged below the centrifugal device and used for drying wheat, the crushing device is arranged below the drying device and used for primarily crushing the wheat, the grinding device is arranged below the crushing device, and the screening device is arranged below the grinding device. The wheat processing system and the processing method can solve the problem that the existing wheat processing efficiency is low.

Description

Wheat processing system and processing method

Technical Field

The invention relates to the technical field of wheat milling processing, in particular to a wheat processing system and a processing method.

Background

During the processing of wheat, impurities such as weeds and stones contained in the wheat are removed, the surface layer of the wheat is removed through peeling, and finally the flour is obtained through grinding and screening. The surface layer of the wheat contains more impurities, impurities in the wheat can be removed only in the impurity removing process, and the impurities adhered to the surface layer of the wheat can be well removed by cleaning. Because the humidity of the wheat is required in the wheat processing process, the wheat is not generally cleaned in the processing process, and the wheat is required to be cleaned and dried independently, so that the processing efficiency of the wheat is affected. In addition, the wheat is required to be peeled independently in the processing process, and the wheat is conveyed to a grinding device for grinding after the peeling is finished, so that the processing efficiency of the wheat is also influenced. The peeling process is not adopted, the milling is directly carried out, and then the sieving is carried out, so that the milling efficiency of the wheat is lower due to the protection of the surface layer of the wheat, and the processing efficiency of the wheat is also influenced.

Disclosure of Invention

The invention aims to provide a wheat processing system and a processing method, which solve the problem of lower processing efficiency of the existing wheat.

In order to achieve the above purpose, the invention provides a wheat processing system, which comprises a impurity removing device, a cleaning device, a centrifugal device, a drying device, a crushing device, a grinding device and a screening device which are sequentially arranged, wherein the cleaning device is connected with the centrifugal device through a conveyor, the drying device is arranged below the centrifugal device and is used for drying wheat, the crushing device is arranged below the drying device and is used for primarily crushing the wheat, the grinding device is arranged below the crushing device, and the screening device is arranged below the grinding device;

the centrifugal device comprises a turntable, a cover plate is arranged above the turntable, the cover plate is fixedly connected with the turntable through a connecting rod, a material opening is formed in the center of the cover plate, the material opening is rotationally connected with an upper shell covered outside the centrifugal device, a rotating mechanism for driving the cover plate to rotate is arranged on the upper shell, a flow dividing cone is arranged in the center of the turntable, the flow dividing cone is positioned right below the material opening, an accelerating mechanism is arranged on the turntable, and the accelerating mechanism is sleeved outside the flow dividing cone;

the below of centrifugal device is provided with first aggregate bin, is provided with the filter screen between the top of first aggregate bin and epitheca, and the filter screen surrounds the outside that sets up at the carousel, encloses into between filter screen and the epitheca to have the hydroecium, and the bottom of hydroecium is provided with the water guide plate of outside slope, and one side of hydroecium is provided with the outlet, is provided with the clearance that makes the wheat pass through between filter screen and the carousel.

Preferably, the rotating mechanism comprises a motor and a first speed reducer, a belt wheel is arranged on one output shaft of the first speed reducer, a driving wheel is arranged on a material port of the cover plate, and the driving wheel is in transmission connection with the belt wheel through a driving belt.

Preferably, the accelerating mechanism comprises a spiral partition plate, the bottom of the partition plate is connected with the turntable, the top of the partition plate is connected with the cover plate, a spiral material passing channel is formed among the partition plate, the turntable and the cover plate, a feed inlet is formed in one end, close to the flow dividing cone, of the material passing channel, and a discharge outlet is formed in the other end of the material passing channel.

Preferably, the drying device comprises a drying cylinder, the drying cylinder is positioned in the upper shell, an outlet of the first collecting hopper is inserted into the drying cylinder through an opening at the top of the drying cylinder, an air inlet is arranged on the side wall of the upper shell, the air inlet is connected with the bottom of one side of the drying cylinder through a first telescopic pipe, the top of the other side of the drying cylinder is connected with an air outlet through a second telescopic pipe, the air outlet is arranged on the side wall of the upper shell, an air-permeable net is arranged in the drying cylinder, a downward-inclined material guide plate is arranged on the air-permeable net, a gap for allowing wheat to pass is arranged between the end head of the material guide plate and the other air-permeable net, and the material guide plates on the two air-permeable nets are arranged at intervals; the bottom of the drying cylinder is provided with a second collecting hopper which is positioned between the two ventilation nets; the inside of the upper shell is provided with a vibrating mechanism for driving the drying cylinder to vibrate.

Preferably, the vibration mechanism comprises a first rotating shaft, two ends of the first rotating shaft are rotationally connected with a supporting plate, the supporting plate is fixedly arranged in the upper shell, an opening for a drying cylinder to pass through is formed in the middle of the supporting plate, a sliding block is arranged on the drying cylinder, a sliding groove matched with the sliding block is formed in the opening, and the sliding block is positioned in the sliding groove and is in sliding connection with the sliding groove; the upper shell is provided with a avoiding hole for the transmission chain to pass through, and the second rotating shaft is connected with the other output shaft of the first speed reducer; and a buffer structure is arranged between one side of the drying cylinder, which is far away from the cam, and the upper shell, the buffer structure comprises a buffer block, the buffer block is connected with the inner wall of the upper shell through a spring, and the buffer block is contacted with a second fixed block arranged on the drying cylinder under the action of the spring.

Preferably, the crushing device comprises an outer rotary drum, a fixed drum is arranged in the outer rotary drum, the fixed drum is fixedly arranged on a fixed plate, an inner rotary core is arranged in the fixed drum, the outer rotary drum and the inner rotary core are both rotationally connected with the fixed plate, and the outer rotary drum, the fixed drum and the inner rotary core are coaxially arranged; a first crushing cavity is formed between the outer rotary drum and the fixed drum, a second crushing cavity is formed between the fixed drum and the inner rotary core, a first spiral crushing cutter is arranged on the inner surface of the outer rotary drum, and a second spiral crushing cutter is arranged on the outer surface of the inner rotary core; the top of interior rotation core is fixed and is provided with the samming pole, be provided with a plurality of first bin outlet and second bin outlet on the fixed plate, first bin outlet is located under the first broken chamber, the second bin outlet is located under the broken chamber of second, the top of first bin outlet is provided with the deflector to first bin outlet slope, the top of second bin outlet is provided with the deflector to second bin outlet slope, the below of fixed plate is provided with the third collecting hopper, be provided with the second reduction gear that drives interior rotation core pivoted on the fixed plate, the outside of epitheca is provided with the rotatory revolution mechanic of drive outer rotary drum.

Preferably, the rotating structure comprises a first gear, the first gear is arranged on the second rotating shaft, a mounting plate is arranged on the outer surface of the outer rotating cylinder, a gear ring meshed with the first gear is arranged on the mounting plate, and a through hole for the first gear to pass through is formed in the side wall of the upper shell; one output shaft of the second speed reducer is connected with the inner rotating core, a third rotating shaft is arranged on the other output shaft of the second speed reducer, the third rotating shaft is positioned in the third collecting hopper, and a feeding spiral blade is arranged on the third rotating shaft.

Preferably, the grinding device comprises an upper grinding disc and a lower grinding disc, the upper grinding disc is arranged on the lower shell, the lower shell is fixed on the fixed plate, the lower grinding disc is rotatably arranged on the fixed seat, the fixed seat is fixedly arranged in the lower shell, and the fixed seat is provided with a rotating motor for driving the lower grinding disc to rotate;

the center of the upper grinding disc is provided with a feeding port for enabling the discharge end of the third collecting hopper to pass through, the lower surface of the upper grinding disc is provided with a first annular fixed roller and a second annular fixed roller, the second fixed roller is positioned outside the first fixed roller, the upper surface of the lower grinding disc is provided with a first groove and a second groove which are respectively matched with the first fixed roller and the second fixed roller, and the distance between the first fixed roller and the first groove is larger than the distance between the second fixed roller and the second groove;

the edge of the fixing seat is provided with a collecting tray, the collecting tray is provided with a plurality of penetrating discharging holes, the discharging holes are communicated with a fourth collecting hopper arranged at the bottom of the lower shell, and the lower grinding tray is provided with a cleaning brush which is contacted with the top surface of the collecting tray.

Preferably, a rotating roller is arranged below the upper grinding disc, a groove matched with the rotating roller is arranged on the lower grinding disc, and the distance between the rotating roller and the groove is larger than that between the first fixed roller and the first groove; the roller shaft of the rotating roller is rotationally connected with the first fixed roller and the second fixed roller, one end of the roller shaft is provided with a second gear, the edge of the lower grinding disc is provided with a transmission seat, a fluted disc meshed with the second gear is arranged above the transmission seat, and a plurality of material passing holes are formed in the transmission seat.

A processing method based on the wheat processing system comprises the following steps:

s1, wheat is fed into a centrifugal device through a conveyor after impurity removal and cleaning, a motor drives a driving wheel to rotate through a first speed reducer and a driving belt, the driving wheel drives a cover plate and a turntable to synchronously rotate, the wheat falls on the turntable through a split cone, the wheat moves outwards along a baffle plate under the centrifugal action of the turntable, the wheat is thrown out from a discharge hole onto a filter screen, the filter screen filters the wheat, water in the wheat is collected in a water chamber through the filter screen, the water is discharged through a water outlet, and the wheat enters a first collecting hopper through a gap between the filter screen and the turntable;

s2, wheat in the first collecting hopper enters a drying cylinder, the wheat falls on a material guide plate, external hot air enters the bottom of the drying cylinder through an air inlet and a first telescopic pipe, the hot air passes through a ventilation net to dry the wheat, and the hot air at the top of the drying cylinder is discharged through a second telescopic pipe and an air outlet; the first speed reducer drives the second rotating shaft to rotate, the second rotating shaft drives the first rotating shaft to rotate through the transmission chain, the first rotating shaft drives the cam to synchronously rotate, the drying cylinder contacts with the surface of the cam under the action of the spring and the buffer block, and the cam drives the drying cylinder to slide back and forth on the supporting plate; the wheat after drying falls into the crushing device through the second collecting hopper;

s3, the second speed reducer drives the inner rotating core to rotate, the second rotating shaft drives the first gear to rotate, and the first gear is meshed with the gear ring to drive the outer rotating cylinder to rotate; after the dried wheat is shunted by a conical head at the top end of the inner rotating core, the inner rotating core sends the wheat into a first crushing cavity and a second crushing cavity through a material homogenizing rod to be crushed, the crushed wheat enters a third collecting hopper through a first material outlet and a second material outlet, a second speed reducer drives a helical blade to rotate through a third rotating shaft, and the crushed wheat is sent into a grinding device to be ground;

s4, driving a lower grinding disc to rotate by a rotating motor, driving a second gear to rotate by the lower grinding disc, driving a rotating roller to rotate by a second gear through a roller shaft, sequentially grinding wheat by the rotating roller, a first fixed roller and a second fixed roller, enabling the ground wheat to fall into a collecting disc through a material passing hole on a transmission seat, driving a cleaning brush to rotate by the lower grinding disc, and discharging powder in the collecting disc into a fourth collecting hopper through a material discharging hole by the cleaning brush;

s5, the powder in the fourth collecting hopper falls into the screening device, and the wheat bran and the flour are separated after being screened by the screening device.

The wheat processing system and the processing method have the advantages and positive effects that:

1. according to the invention, the centrifugal device and the drying device are arranged, so that the washed wheat can be dried rapidly, the water content in the wheat is ensured, the cleanliness of the wheat is improved, and the processing efficiency of the wheat is ensured.

2. The setting of stock guide and vibration mechanism in drying device is convenient for the removal of wheat in the stoving section of thick bamboo, is favorable to improving the drying efficiency of wheat simultaneously.

3. Two crushing channels are formed in the crushing device through the arrangement of the outer rotary drum, the fixed drum and the inner rotary core, so that the crushing efficiency of wheat is improved, and the follow-up grinding is facilitated.

4. In the milling device, three-stage milling of wheat is realized through the arrangement of the rotating roller, the first fixed roller and the second fixed roller, and the milling efficiency and the milling effect of the wheat are improved.

The technical scheme of the invention is further described in detail through the drawings and the embodiments.

Drawings

FIG. 1 is a schematic diagram of a wheat processing system and method according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a centrifugal apparatus of an embodiment of a wheat processing system and processing method according to the present invention;

FIG. 3 is a schematic diagram of a rotary table of a wheat processing system and processing method according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of a drying apparatus of an embodiment of a wheat processing system and a processing method according to the present invention;

FIG. 5 is a schematic view of a crushing apparatus according to an embodiment of the present invention;

FIG. 6 is a schematic top view of a mounting plate of an embodiment of a wheat processing system and method of the present invention;

fig. 7 is a schematic view of a milling device according to an embodiment of the present invention.

1. A centrifugal device; 11. a cover plate; 12. a turntable; 13. a connecting rod; 14. a split cone; 15. a partition plate; 16. a filter screen; 17. a water guide plate; 18. a water outlet; 19. a first collection hopper; 110. a first decelerator; 111. a driving wheel; 112. a transmission belt; 113. a feed inlet; 114. a discharge port;

2. a drying device; 21. a drying cylinder; 22. a material guide plate; 23. a breathable net; 24. an air inlet; 25. a first telescopic tube; 26. an air outlet; 27. a second telescopic tube; 28. a support plate; 29. a first fixed block; 210. a first rotating shaft; 211. a cam; 212. a second rotating shaft; 213. a drive chain; 214. a second fixed block; 215. a buffer block; 216. a spring; 217. a second collection hopper;

3. a crushing device; 31. an outer drum; 32. a fixed cylinder; 33. an inner core; 34. a fixing plate; 35. a first crushing cutter; 36. a second crushing cutter; 37. a material homogenizing rod; 38. a first discharge port; 39. a second discharge port; 310. a second decelerator; 311. a first gear; 312. a mounting plate; 313. a gear ring; 314. a third collection hopper; 315. a third rotating shaft; 316. a helical blade; 317. a guide plate;

4. a milling device; 41. an upper grinding disc; 42. a feed inlet; 43. a lower grinding disc; 44. a fixing seat; 45. a rotating motor; 46. a rotating roller; 47. a first fixed roller; 48. a second fixed roller; 49. a second gear; 410. fluted disc; 411. a transmission seat; 412. a collecting tray; 413. a cleaning brush; 414. a discharge hole; 415. a fourth collection hopper;

5. an upper case; 6. and a lower shell.

Detailed Description

The technical scheme of the invention is further described below through the attached drawings and the embodiments.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Examples

As shown in fig. 1 to 7, a wheat processing system comprises a impurity removing device, a cleaning device, a centrifugal device 1, a drying device 2, a crushing device 3, a grinding device 4 and a sieving device which are sequentially arranged. The impurity removing device adopts the existing winnowing, screening and deironing device according to the requirement, so as to clean impurities in the wheat. The cleaning device is used for cleaning the wheat, removing impurities adhered to the wheat and improving the purity of the wheat. Meanwhile, the cleaning device can clean the wheat and simultaneously realize wheat wetting treatment, so that the follow-up wheat peeling treatment is facilitated. The cleaning device can adopt the existing device according to the requirement. The cleaning device is connected with the centrifugal device 1 through a conveyor, the conveyor can adopt a screw conveyor or a lifting machine, the cleaned wheat is fed into the centrifugal device 1, and the centrifugal device 1 is used for carrying out dehydration treatment on the wheat, so that the moisture carried by the wheat is reduced.

The centrifugal device 1 comprises a rotary table 12, a cover plate 11 is arranged above the rotary table 12, and the cover plate 11 is fixedly connected with the rotary table 12 through a connecting rod 13. The center of the cover plate 11 is provided with a material opening, and the outlet of the conveyor is inserted into the material opening 42. The outer cover of the centrifugal device 1 is provided with an upper shell 5, and a material port is rotationally connected with the upper shell 5 through a bearing. The top inner surface of the upper shell 5 is provided with a guide groove, and the cover plate 11 is provided with a guide block which is positioned in the guide groove and is in sliding connection with the guide groove. The guide groove may be a T-shaped groove, and the guide groove and the guide block have guiding and supporting functions for the rotation of the cover plate 11 and the turntable 12.

The upper shell 5 is provided with a rotating mechanism for driving the cover plate 11 to rotate, the rotating mechanism comprises a motor and a first speed reducer 110, and the motor and the first speed reducer 110 are fixedly arranged on the upper shell 5. A belt wheel is fixedly arranged on one output shaft of the first speed reducer 110, a driving wheel 111 is fixedly arranged on a material port of the cover plate 11, and the driving wheel 111 is in driving connection with the belt wheel through a driving belt 112. The first speed reducer 110 drives the material opening to rotate through the driving belt 112 and the driving wheel 111, so as to drive the cover plate 11 and the turntable 12 to rotate.

The center of the rotary table 12 is provided with a diversion cone 14, and the diversion cone 14 is positioned right below the material opening and is used for diversion of the wheat. The rotary disk 12 is provided with an accelerating mechanism which is sleeved outside the diverter cone 14. The accelerating mechanism comprises a spiral partition plate 15, the bottom of the partition plate 15 is fixedly connected with the turntable 12, and the top of the partition plate 15 is fixedly connected with the cover plate 11. A spiral material passing channel is formed among the partition plate 15, the rotary table 12 and the cover plate 11, one end of the material passing channel, which is close to the flow dividing cone 14, is provided with a feeding hole 113, and the other end of the material passing channel is provided with a discharging hole 114. Wheat enters the material passing channel through the feed inlet 113, and the wheat is accelerated in the spiral material passing channel along with the rotation of the rotary table 12, so that the wheat is accelerated and thrown out from the discharge outlet 114.

A first collecting hopper 19 is arranged below the centrifugal device 1, a filter screen 16 is arranged between the first collecting hopper 19 and the top of the upper shell 5, and the filter screen 16 is arranged outside the rotary table 12 in a surrounding manner. The top of filter screen 16 is fixed connection with epitheca 5, and the bottom of filter screen 16 is fixed connection with first collecting hopper 19. A water chamber is formed between the filter screen 16 and the upper shell 5 in a surrounding mode, the thrown wheat is thrown on the filter screen 16, the wheat is intercepted by the filter screen 16, and water enters the water chamber through the filter screen 16 to be collected, so that separation of the wheat and the water is achieved. The bottom of the water chamber is provided with an outwards inclined water guide plate 17, so that water in the water chamber is outwards guided out, and water is conveniently discharged. A drain outlet 18 is provided at one side of the water chamber, and the drain outlet 18 is provided at the upper case 5 for draining water in the water chamber. The water guide plate 17 and the first collecting hopper 19 are integrally formed and fixedly arranged on the inner wall of the upper shell 5. A gap for passing wheat is arranged between the filter screen 16 and the rotary table 12, and the intercepted wheat passes through the gap and falls into the first collecting hopper 19 to be collected.

The drying device 2 is arranged below the centrifugal device 1, and the drying device 2 is used for further drying the centrifuged wheat, so that moisture contained in the wheat is reduced, and the phenomenon that the broken wheat is ground due to too high moisture content in the wheat is avoided.

The drying device 2 includes a drying drum 21, and the drying drum 21 is located inside the upper case 5. The outlet of the first collecting hopper 19 is inserted into the drying cylinder 21 through an opening at the top of the drying cylinder 21, and the size of the opening is larger than that of the outlet of the first collecting hopper 19, so that the requirement of left-right sliding of the drying cylinder 21 is met. An air inlet 24 is arranged on the side wall of the upper shell 5, and the air inlet 24 is connected with the bottom of one side of the drying cylinder 21 through a first telescopic pipe 25 and is used for conveying hot air into the drying cylinder 21 through the air inlet 24 and the first telescopic pipe 25. The top of the other side of the drying cylinder 21 is connected with an air outlet 26 through a second telescopic pipe 27, the air outlet 26 is arranged on the side wall of the upper shell 5, and hot air at the top of the drying cylinder 21 is discharged through the second telescopic pipe 27 and the air outlet 26. The inside of the drying cylinder 21 is provided with a ventilation net 23, the drying cylinder 21 is a cuboid cylinder, the ventilation net 23 is only arranged at two sides of the drying cylinder 21, and the edge of the ventilation net 23 is fixedly connected with the inner wall of the drying cylinder 21. The hot air dries the wheat through the air-permeable net 23.

The ventilation net 23 is fixedly provided with a downward inclined material guiding plate 22, and a gap for wheat to pass through is arranged between the end of the material guiding plate 22 and the other ventilation net 23. The material guide plates 22 on the two ventilation nets 23 are arranged at intervals, so that a Z-shaped channel is formed between the material guide plates 22, and wheat is dried conveniently. The bottom of the drying drum 21 is provided with a second collection hopper 217, the second collection hopper 217 being located between the two air-permeable nets 23.

The inside of the upper case 5 is provided with a vibration mechanism that drives the drying drum 21 to vibrate. The vibration mechanism includes a first rotating shaft 210, and both ends of the first rotating shaft 210 are rotatably connected with the support plate 28 through bearings. The support plate 28 is fixedly provided inside the upper case 5, and the support plate 28 is located at the upper and lower portions of the drying drum 21. The middle part of backup pad 28 is provided with the opening that makes stoving section of thick bamboo 21 pass, and the size of opening is greater than the size of stoving section of thick bamboo 21, satisfies stoving section of thick bamboo 21 sliding about needs. The drying cylinder 21 is fixedly provided with a sliding block, the opening is provided with a sliding groove matched with the sliding block, and the sliding block is positioned in the sliding groove and is in sliding connection with the sliding groove. The sliding block and the sliding groove have guiding and supporting functions on the sliding of the drying box.

The first rotating shaft 210 is fixedly provided with a cam 211, and the outer surface of the cam 211 is contacted with a first fixing block 29 fixedly arranged on the side wall of the drying cylinder 21. The middle part of the first rotating shaft 210 is fixedly provided with a sprocket, the second rotating shaft 212 is fixedly provided with a sprocket, and the sprockets are in transmission connection through a transmission chain 213. The upper case 5 is provided with a relief hole through which the transmission chain 213 passes. The second rotating shaft 212 is fixedly connected with the other output shaft of the first speed reducer 110. The first speed reducer 110 drives the second rotating shaft 212 to rotate, the second rotating shaft 212 drives the first rotating shaft 210 to rotate through a chain wheel and a transmission chain 213, so that the cam 211 is driven to rotate, the cam 211 drives the drying cylinder 21 to slide on the supporting plate 28, vibration of the drying cylinder 21 is achieved, and movement of wheat on the material guide plate 22 is facilitated.

A buffer structure is provided between the upper case 5 and a side of the drying cylinder 21 remote from the cam 211. The buffer structure includes a buffer block 215, and the buffer block 215 may be a polyurethane block. The buffer block 215 is connected with the inner wall of the upper shell 5 through a spring 216, and the buffer block 215 is contacted with a second fixing block 214 fixedly arranged on the drying cylinder 21 under the action of the spring 216. The buffer block 215 applies a pushing force to the drying cylinder 21 under the action of the spring 216, so that the drying cylinder 21 is always in contact with the cam 211, and the stability of the left-right sliding of the drying cylinder 21 is improved.

A crushing device 3 is arranged below the drying device 2 and is used for primarily crushing the wheat. The crushing device 3 comprises an outer drum 31, a fixed drum 32 is arranged inside the outer drum 31, and the fixed drum 32 is fixedly arranged on a fixed plate 34. The fixing plate 34 is fixed to the ground or the bracket by the support legs. The upper case 5 is fixed to the fixing plate 34. An inner rotating core 33 is arranged in the fixed cylinder 32, and the outer rotating cylinder 31 and the inner rotating core 33 are both in rotary connection with a fixed plate 34. The fixed plate 34 is provided with a second decelerator 310 for driving the inner core 33 to rotate. The outer drum 31, the fixed drum 32 and the inner core 33 are coaxially arranged, a first crushing cavity is formed between the outer drum 31 and the fixed drum 32, and a second crushing cavity is formed between the fixed drum 32 and the inner core 33. The inner surface of the outer drum 31 is provided with a first helical crushing blade 35, and the outer surface of the inner core 33 is provided with a second helical crushing blade 36. The first crushing cutter 35 is located in the first crushing cavity, the second crushing cutter 36 is located in the second crushing cavity, and the first crushing cutter 35 and the second crushing cutter 36 are used for sliding off the outer skin of the wheat to primarily crush the wheat, so that the peeling and subsequent grinding of the wheat are facilitated. The wheat is crushed simultaneously through the first crushing cavity and the second crushing cavity, so that the wheat crushing efficiency is improved.

The top of the inner rotary core 33 is fixedly provided with a material homogenizing rod 37, and the inner rotary core 33 drives the material homogenizing rod 37 to synchronously rotate, so that wheat is uniformly fed into the first crushing cavity and the second crushing cavity. The fixed plate 34 is provided with a plurality of first discharge openings 38 and second discharge openings 39, the first discharge openings 38 are positioned right below the first crushing cavity, and the second discharge openings 39 are positioned right below the second crushing cavity. The first and second discharge openings 38, 39 serve to discharge crushed wheat into the third collection hopper 314. The top of first bin outlet 38 is provided with deflector 317 that inclines to first bin outlet 38, and the top of second bin outlet 39 is provided with deflector 317 that inclines to second bin outlet 39, and the wheat after the breakage of being convenient for is discharged through first bin outlet 38 and second bin outlet 39. A third collecting hopper 314 is provided below the fixing plate 34.

The outer part of the upper case 5 is provided with a rotation structure for driving the outer drum 31 to rotate. The rotating structure includes a first gear 311, and the first gear 311 is fixedly disposed on the second rotating shaft 212. A mounting plate 312 is fixedly provided on the outer surface of the outer cylinder 31, a ring gear 313 engaged with the first gear 311 is fixedly provided on the mounting plate 312, and a through hole through which the first gear 311 passes is provided on the side wall of the upper case 5. The second rotation shaft 212 drives the first gear 311 to rotate, and the first gear 311 is meshed with the gear ring 313, thereby driving the outer drum 31 to rotate.

One output shaft of the second speed reducer 310 is connected with the inner rotating core 33, and a third rotating shaft 315 is fixedly arranged on the other output shaft of the second speed reducer 310. A third shaft 315 is located within the third collection hopper 314, and a feed screw blade 316 is provided on the third shaft 315. The screw blade 316 sends the crushed wheat in the third collecting hopper 314 into the milling device 4, and the screw blade 316 enables the crushed wheat to smoothly and orderly enter the milling device 4, so that the milling efficiency and effect are ensured.

The milling device 4 is located below the crushing device 3. The grinding device 4 includes an upper grinding plate 41 and a lower grinding plate 43, the upper grinding plate 41 is provided on the lower case 6, and the lower case 6 is fixed to the fixing plate 34. The lower grinding plate 43 is rotatably provided on the fixing base 44, and the fixing base 44 is fixedly provided inside the lower casing 6. The fixed base 44 is provided with a rotation motor 45 for driving the lower grinding plate 43 to rotate. An air cylinder, a hydraulic cylinder or an electric cylinder for driving the upper grinding disc 41 to move up and down can be arranged in the lower shell 6, so that the distance between the upper grinding disc 41 and the lower grinding disc 43 can be conveniently adjusted.

The center of the upper grinding pan 41 is provided with a feed inlet 42 through which the discharge end of the third collecting hopper 314 passes, and the lower surface of the upper grinding pan 41 is fixedly provided with a first fixed roller 47 and a second fixed roller 48 in a ring shape, and the second fixed roller 48 is located outside the first fixed roller 47. The lower grinding plate 43 is provided on its upper surface with a first groove and a second groove respectively adapted to the first and second fixed rollers 47 and 48, and the distance between the first fixed roller 47 and the first groove is greater than the distance between the second fixed roller 48 and the second groove.

The lower side of the upper grinding plate 41 is provided with a rotating roller 46, the lower grinding plate 43 is provided with a groove matched with the rotating roller 46, and the distance between the rotating roller 46 and the groove is larger than the distance between the first fixed roller 47 and the first groove. The rotating roller 46 is located inside the first fixed roller 47. The roller shaft of the rotating roller 46 is rotatably connected to the first fixed roller 47 and the second fixed roller 48. The first fixed roller 47 and the second fixed roller 48 have a supporting function for the rotating roller 46. One end of the roll shaft is fixedly provided with a second gear 49, the edge of the lower grinding disc 43 is fixedly provided with a transmission seat 411, and a fluted disc 410 meshed with the second gear 49 is fixedly arranged above the transmission seat 411. The lower grinding plate 43 drives the fluted disc 410 to rotate, and the fluted disc 410 is meshed with the second gear 49, so that the rotating roller 46 is driven to rotate, and the rotating roller 46 performs preliminary grinding on the wheat. The wheat milled by the rotating roller 46 enters between the first fixed roller 47 and the first groove for further milling, and finally is milled by the second fixed roller 48 and the second groove.

The edge of the fixing seat 44 is disposed on the collecting tray 412, and the collecting tray 412 is provided with a plurality of through discharge holes 414. The discharge hole 414 communicates with a fourth collecting hopper 415 provided at the bottom of the lower case 6. A cleaning brush 413 is fixedly arranged on the lower grinding disc 43, and the cleaning brush 413 is contacted with the top surface of the collecting disc 412. The cleaning brush 413 cleans the powder in the collecting tray 412 along with the synchronous rotation of the lower grinding tray 43, so that the powder is smoothly discharged into the fourth collecting hopper 415 through the discharging hole 414 for collection.

The transmission seat 411 is provided with a plurality of material passing holes, so that the powder on the lower grinding disc 43 falls into the material collecting disc 412 through the material passing holes. The second gear 49 and the outer part of the fluted disc 410 can be provided with a protective cover according to the requirement, and the protective cover is fixed on the second fixed roller 48, so that the influence of powder on the transmission of the second gear 49 and the fluted disc 410 is reduced.

A screening device is arranged below the grinding device 4, and the screening device can select the existing vibrating screen device according to the requirement. The screening device is used for separating flour from wheat bran.

The processing method of the wheat processing system comprises the following steps:

s1, wheat is fed into a centrifugal device 1 through a conveyor after being decontaminated and cleaned, a motor drives a driving wheel 111 to rotate through a first speed reducer 110 and a driving belt 112, the driving wheel 111 drives a cover plate 11 and a rotary table 12 to synchronously rotate, the wheat falls on the rotary table 12 through a flow dividing cone 14, the wheat moves outwards along a baffle 15 under the centrifugal action of the rotary table 12, the wheat is thrown out onto a filter screen 16 from a discharge hole 114, the filter screen 16 filters the wheat, water in the wheat is collected in a water chamber through the filter screen 16, the water is discharged through a water outlet 18, and the wheat enters a first collecting hopper 19 through a gap between the filter screen 16 and the rotary table 12.

S2, wheat in the first collecting hopper 19 enters the drying cylinder 21, the wheat falls on the material guide plate 22, external hot air enters the bottom of the drying cylinder 21 through the air inlet 24 and the first telescopic pipe 25, the hot air passes through the air permeable net 23 to dry the wheat, and the hot air at the top of the drying cylinder 21 is discharged through the second telescopic pipe 27 and the air outlet 26; the first speed reducer 110 drives the second rotating shaft 212 to rotate, the second rotating shaft 212 drives the first rotating shaft 210 to rotate through the transmission chain 213, the first rotating shaft 210 drives the cam 211 to synchronously rotate, the drying cylinder 21 contacts with the surface of the cam 211 under the action of the spring 216 and the buffer block 215, and the cam 211 drives the drying cylinder 21 to slide back and forth on the supporting plate 28; the dried wheat falls into the crushing apparatus 3 through the second hopper 217.

S3, the second speed reducer 310 drives the inner rotating core 33 to rotate, the second rotating shaft 212 drives the first gear 311 to rotate, and the first gear 311 is meshed with the gear ring 313 to drive the outer rotating cylinder 31 to rotate; after the dried wheat is shunted by the conical head at the top end of the inner rotary core 33, the inner rotary core 33 sends the wheat into the first crushing cavity and the second crushing cavity for crushing through the material homogenizing rod 37, the crushed wheat enters the third collecting hopper 314 through the first discharging port 38 and the second discharging port 39, the second speed reducer 310 drives the helical blade 316 to rotate through the third rotating shaft 315, and the crushed wheat is sent into the grinding device 4 for grinding.

S4, a rotating motor 45 drives a lower grinding disc 43 to rotate, the lower grinding disc 43 drives a second gear 49 to rotate through a fluted disc 410, the second gear 49 drives a rotating roller 46 to rotate through a roller shaft, the rotating roller 46, a first fixed roller 47 and a second fixed roller 48 sequentially grind wheat, the ground wheat falls into a collecting disc 412 through a passing hole on a transmission seat 411, the lower grinding disc 43 drives a cleaning brush 413 to rotate, and the cleaning brush 413 discharges powder in the collecting disc 412 into a fourth collecting hopper 415 through a discharging hole 414.

S5, the powder in the fourth collecting hopper 415 falls into a screening device, and the wheat bran and the flour are separated after being screened by the screening device.

Therefore, the wheat processing system and the processing method can solve the problem that the existing wheat processing efficiency is low.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.

Claims

1. A wheat processing system, characterized by: the wheat crushing device comprises a impurity removing device, a cleaning device, a centrifugal device, a drying device, a crushing device, a grinding device and a screening device which are sequentially arranged, wherein the cleaning device is connected with the centrifugal device through a conveyor, the drying device is arranged below the centrifugal device and is used for drying wheat, the crushing device is arranged below the drying device and is used for primarily crushing the wheat, the grinding device is arranged below the crushing device, and the screening device is arranged below the grinding device;

2. A wheat processing system according to claim 1, wherein: the rotating mechanism comprises a motor and a first speed reducer, a belt wheel is arranged on one output shaft of the first speed reducer, a driving wheel is arranged on a material port of the cover plate, and the driving wheel is in transmission connection with the belt wheel through a driving belt.

3. A wheat processing system according to claim 2, wherein: the accelerating mechanism comprises a spiral partition plate, the bottom of the partition plate is connected with the turntable, the top of the partition plate is connected with the cover plate, a spiral material passing channel is formed among the partition plate, the turntable and the cover plate, a feed inlet is formed in one end, close to the flow dividing cone, of the material passing channel, and a discharge outlet is formed in the other end of the material passing channel.

4. A wheat processing system according to claim 3, wherein: the drying device comprises a drying cylinder, wherein the drying cylinder is positioned in an upper shell, an outlet of a first collecting hopper is inserted into the drying cylinder through an opening at the top of the drying cylinder, the size of the opening is larger than that of the outlet of the first collecting hopper, the requirement of left-right sliding of the drying cylinder is met, the drying cylinder is a cuboid cylinder, an air inlet is formed in the side wall of the upper shell, the air inlet is connected with the bottom of one side of the drying cylinder through a first telescopic pipe, the top of the other side of the drying cylinder is connected with an air outlet through a second telescopic pipe, the air outlet is formed in the side wall of the upper shell, air-permeable nets are arranged in the drying cylinder, the two sides of the drying cylinder are fixedly connected with the edge of each air-permeable net, downward-inclined guide plates are arranged on the air-permeable nets, a gap for allowing wheat to pass through is formed between the end head of each guide plate and the other air-permeable nets, and the guide plates on the two air-permeable nets are arranged at intervals to form Z-shaped channels; the bottom of the drying cylinder is provided with a second collecting hopper which is positioned between the two ventilation nets; the inside of the upper shell is provided with a vibrating mechanism for driving the drying cylinder to vibrate.

5. A wheat processing system as in claim 4, wherein: the vibrating mechanism comprises a first rotating shaft, two ends of the first rotating shaft are rotationally connected with a supporting plate, the supporting plate is fixedly arranged in the upper shell, an opening for a drying cylinder to pass through is formed in the middle of the supporting plate, a sliding block is arranged on the drying cylinder, a sliding groove matched with the sliding block is formed in the opening, and the sliding block is positioned in the sliding groove and is in sliding connection with the sliding groove; the upper shell is provided with a avoiding hole for the transmission chain to pass through, and the second rotating shaft is connected with the other output shaft of the first speed reducer; and a buffer structure is arranged between one side of the drying cylinder, which is far away from the cam, and the upper shell, the buffer structure comprises a buffer block, the buffer block is connected with the inner wall of the upper shell through a spring, and the buffer block is contacted with a second fixed block arranged on the drying cylinder under the action of the spring.

6. A wheat processing system according to claim 5, wherein: the crushing device comprises an outer rotary drum, a fixed drum is arranged in the outer rotary drum, the fixed drum is fixedly arranged on a fixed plate, the fixed plate is fixed on a bracket through supporting legs, an upper shell is fixed on the fixed plate, an inner rotary core is arranged in the fixed drum, the outer rotary drum and the inner rotary core are both rotationally connected with the fixed plate, and the outer rotary drum, the fixed drum and the inner rotary core are coaxially arranged; a first crushing cavity is formed between the outer rotary drum and the fixed drum, a second crushing cavity is formed between the fixed drum and the inner rotary core, a first spiral crushing cutter is arranged on the inner surface of the outer rotary drum, and a second spiral crushing cutter is arranged on the outer surface of the inner rotary core; the top of interior rotation core is fixed and is provided with the samming pole, be provided with a plurality of first bin outlet and second bin outlet on the fixed plate, first bin outlet is located under the first broken chamber, the second bin outlet is located under the broken chamber of second, the top of first bin outlet is provided with the deflector to first bin outlet slope, the top of second bin outlet is provided with the deflector to second bin outlet slope, the below of fixed plate is provided with the third collecting hopper, be provided with the second reduction gear that drives interior rotation core pivoted on the fixed plate, the outside of epitheca is provided with the rotatory revolution mechanic of drive outer rotary drum.

7. A wheat processing system as in claim 6, wherein: the rotary structure comprises a first gear, the first gear is arranged on the second rotating shaft, a mounting plate is arranged on the outer surface of the outer rotating cylinder, a gear ring meshed with the first gear is arranged on the mounting plate, and a through hole for the first gear to pass through is formed in the side wall of the upper shell; one output shaft of the second speed reducer is connected with the inner rotating core, a third rotating shaft is arranged on the other output shaft of the second speed reducer, the third rotating shaft is positioned in the third collecting hopper, and a feeding spiral blade is arranged on the third rotating shaft.

8. A wheat processing system as in claim 7, wherein: the grinding device comprises an upper grinding disc and a lower grinding disc, the upper grinding disc is arranged on the lower shell, the lower shell is fixed on the fixed plate, the lower grinding disc is rotatably arranged on the fixed seat, the fixed seat is fixedly arranged in the lower shell, and the fixed seat is provided with a rotating motor for driving the lower grinding disc to rotate;

the center of the upper grinding disc is provided with a feeding port for enabling the discharge end of the third collecting hopper to pass through, the lower surface of the upper grinding disc is fixedly provided with a first annular fixed roller and a second annular fixed roller, the second fixed roller is positioned outside the first fixed roller, the upper surface of the lower grinding disc is provided with a first groove and a second groove which are respectively matched with the first fixed roller and the second fixed roller, and the distance between the first fixed roller and the first groove is larger than the distance between the second fixed roller and the second groove;

9. A wheat processing system as in claim 8, wherein: the lower grinding disc is provided with a groove matched with the rotating roller, and the distance between the rotating roller and the groove is larger than that between the first fixed roller and the first groove; the roller shaft of the rotating roller is rotationally connected with the first fixed roller and the second fixed roller, one end of the roller shaft is provided with a second gear, the edge of the lower grinding disc is provided with a transmission seat, a fluted disc meshed with the second gear is arranged above the transmission seat, and a plurality of material passing holes are formed in the transmission seat.

10. A processing method based on the wheat processing system of claim 9, comprising the steps of: