CN112916102A

CN112916102A - Intermittent feeding and grinding device for wheat flour processing and using method thereof

Info

Publication number: CN112916102A
Application number: CN202110236158.9A
Authority: CN
Inventors: 黄少如
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-03
Filing date: 2021-03-03
Publication date: 2021-06-08

Abstract

The invention discloses an intermittent feeding and grinding device for wheat flour processing and a using method thereof. According to the invention, the arrangement of the plurality of first feed inlets, the turntable and the feed through hole is utilized, when the wheat is fed through the plurality of first feed inlets, the wheat can enter the grinding mechanism from a plurality of positions, so that the grinding efficiency is improved, meanwhile, the feed through hole is driven to rotate through the rotation of the turntable, and only when the rotating feed through hole is superposed with the first feed inlet, part of the wheat accumulated in the feed hopper can enter the grinding mechanism through the first feed inlet, so that the regular feeding into the grinding mechanism is realized, and the labor intensity of the operation of the grinding device is reduced.

Description

Intermittent feeding and grinding device for wheat flour processing and using method thereof

Technical Field

The invention relates to the field of wheat flour processing, in particular to an intermittent feeding and grinding device for wheat flour processing.

Background

Wheat flour is flour processed from wheat, generally refers to flour after extraction of bran, is one of staple food of northern Chinese residents, contains protein, starch, fat, vitamins, inorganic salt and the like, has higher protein content than other cereal products, consists of gliadin and glutenin, and can be kneaded into gluten with viscoelasticity after absorbing water, so that the wheat flour can be made into food with unique quality and flavor.

Wheat flour is ground into flour through the wheat after peeling, when grinding, needs the manual work to send into peeled wheat to grinding mechanism, and grinding mechanism is grinding wheat and is needing certain time, so need the manual work to be constantly reinforced grinding mechanism many times, improved the artifical intensity of grinding mechanism operation, grinding mechanism only has a feed inlet simultaneously, has reduced grinder's grinding efficiency.

Disclosure of Invention

The invention aims to provide an intermittent feeding grinding device for processing wheat flour, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an intermittent feed grinder for wheat flour processing, comprising:

the grinding box is internally provided with a grinding mechanism, and the bottom end of the grinding box is provided with a first supporting mechanism;

the feeding mechanism comprises a plurality of first feeding holes and a rotary table, the first feeding holes are arranged at the top end of the grinding box in an annular array, feeding hoppers are fixedly connected to the positions, located at the positions of the first feeding holes, of the top end of the grinding box, first sliding material grooves are formed in the bottom ends of the inner walls of the first feeding holes, rotary grooves are formed in the inner walls of the first feeding holes, a plurality of first rotating shafts are rotatably connected to the bottom ends of the inner walls of the rotary grooves, the first rotating shafts are fixedly connected with the middle parts of the bottom ends of the rotary table at corresponding positions respectively, and feeding through holes are formed in the side edges of the top ends of the rotary table;

the linkage mechanism is arranged on the outer walls of the turntables;

and the filtering mechanism is arranged below the grinding box.

Preferably, the grinding mechanism comprises a grinding roller, a grinding cavity is formed in the grinding box, the grinding cavity is respectively communicated with the first material sliding grooves, the grinding roller is rotatably arranged in the grinding cavity, and a first discharge pipe is fixedly connected to the bottom end of the grinding box and located at the position of the grinding cavity.

Preferably, the first supporting mechanism comprises four first supporting legs and a first supporting base, the top ends of the four first supporting legs are fixedly connected with four corners of the bottom end of the grinding box respectively, and the top ends of the four first supporting bases are fixedly connected with the bottom ends of the first supporting legs at corresponding positions respectively.

Preferably, the linkage mechanism comprises a rotating rod and a gear, the bottom end of the rotating rod is fixedly connected with the top end of the grinding roller, a rotating hole is formed in the top end of the grinding box and communicated with the grinding cavity, the rotating rod is rotatably connected inside the rotating hole through a bearing, the rotating hole is communicated with the rotating groove, the gear is fixedly sleeved on the outer wall of the rotating rod, the gear is arranged inside the rotating groove, gear teeth are formed in the outer walls of the plurality of turntables, the outer wall of the gear is respectively connected with the tooth grooves of the plurality of gear teeth in a meshed mode, and the diameter of the gear is smaller than the diameter of the plurality of turntables.

Preferably, the top of bull stick is provided with servo motor, servo motor's output shaft is connected with the top transmission of bull stick, servo motor is through external switch and external power source electric connection.

Preferably, the fixed cover of servo motor's outer wall is equipped with solid fixed ring, gu fixed ring's bottom is a plurality of bracing pieces of annular array fixedly connected with, and is a plurality of the bottom of bracing piece all with the top fixed connection who grinds the case.

Preferably, filtering mechanism includes rose box and sieve, the sieve activity sets up in the inside of rose box, the sieve is the slope setting, the second feed inlet has been seted up on the top of rose box, the top of rose box and the bottom fixed connection of first discharging pipe, the second feed inlet is linked together with first discharging pipe, the blown down tank has been seted up to one side of rose box, the smooth silo of second has been seted up to the bottom of rose box inner chamber, the bottom of rose box just is located the smooth silo position department fixedly connected with second discharging pipe of second, the bottom of rose box is provided with second supporting mechanism.

Preferably, the front of rose box articulates there is the sealing door, the positive fixedly connected with L type handle of sealing door, the positive avris of rose box rotates and is connected with the second pivot, the outer wall fixedly connected with rotation locking lever of second pivot, the outer wall of rotation locking lever sets up with the top laminating of L type handle.

Preferably, the second supporting mechanism comprises four second supporting legs and a second supporting base, the top ends of the second supporting legs are fixedly connected with four corners of the bottom end of the filter box respectively, and the top ends of the second supporting base are fixedly connected with the bottom ends of the second supporting legs at corresponding positions respectively.

The invention also provides a using method of the intermittent feeding grinding device for wheat flour processing, which comprises the following specific using steps:

the method comprises the following steps: enough wheat is fed into the plurality of feed hoppers, a switch of a servo motor is turned on, so that an output shaft of the servo motor drives a rotating rod to rotate, the rotating rod drives a gear to rotate, the gear rotates to drive a plurality of turntables with gear teeth to rotate, the turntables rotate along with the rotation of the feed through holes until the feed through holes are overlapped with the corresponding first feed inlets, the wheat particles accumulated at the tops of the first feed inlets enter the first chute through the feed through holes, and when the feed through holes are not overlapped with the first feed inlets along with the rotation of the turntables, the wheat continues to be left in the feed hoppers;

step two: the wheat grains entering the first sliding chute enter a grinding cavity, the grinding roller is driven to rotate along with the rotation of the rotating rod, the grinding roller rotates to grind the wheat grains in the grinding cavity, the wheat grains are ground into powder along with the friction between the wheat grains and the grinding roller and the inner wall of the grinding cavity, and the powder enters a first discharge pipe;

step three: wheat flour entering the first discharge pipe enters the filter box through the second feed inlet, the wheat flour entering the filter box falls onto the sieve plate, the successfully ground wheat flour passes through the sieve plate and falls into the second chute, and finally the wheat flour is discharged out of the filter box through the second discharge pipe, and some wheat particles which are not ground into powder slide to the discharge chute through the obliquely arranged sieve plate and are separated from the filter box;

step four: after the grinding is finished, the switch of the servo motor is closed, the second rotating shaft is rotated anticlockwise, the rotating lock rod rotates around the second rotating shaft, the L-shaped handle is grabbed until the rotating lock rod is separated from the L-shaped handle, the L-shaped handle is grabbed, the sealing door is opened, the sieve plate is taken out to be cleaned, and after the cleaning is finished, the sieve plate is installed and the sealing door is closed by the aid of the operation of the reverse repetition.

The invention has the technical effects and advantages that:

(1) according to the invention, the arrangement of the plurality of first feed inlets, the turntable and the feed through hole is utilized, when the wheat is fed through the plurality of first feed inlets, the wheat can enter the grinding mechanism from a plurality of positions, so that the grinding efficiency is improved, meanwhile, the feed through hole is driven to rotate through the rotation of the turntable, only when the rotating feed through hole is superposed with the first feed inlet, part of the wheat accumulated in the feed hopper can enter the grinding mechanism through the first feed inlet, and when the wheat flour is not superposed, the wheat flour can be accumulated at the top end of the turntable, so that the intermittent regular feeding to the grinding mechanism is realized, and the manual intensity of the operation of the grinding device is reduced;

(2) according to the invention, the gears and the gear teeth are arranged, the turntable synchronously rotates through the matching of the gears and the gear teeth, and meanwhile, the rotating speed transmitted to the turntable by the servo motor is reduced by the gear with a smaller diameter, so that the turntable rotates more stably, and the rotating stability of the turntable is improved;

(3) according to the invention, the arrangement of the sieve plate, the discharge chute and the second chute is utilized, the sieve plate is used for screening the wheat flour falling into the filter box, the wheat flour which meets the requirement passes through the sieve plate and enters the second chute, and the wheat flour which does not meet the requirement slides to the discharge chute through the obliquely arranged sieve plate and is ground for the second time, so that the ground wheat flour is screened, and the processing quality of the wheat flour is improved.

Drawings

FIG. 1 is a front sectional structural view of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic perspective view of the filter box of the present invention.

Fig. 4 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.

Fig. 5 is a schematic view of the enlarged structure at the position B of fig. 2 according to the present invention.

Fig. 6 is a partially enlarged structural view of the portion C in fig. 3 according to the present invention.

In the figure: 1. grinding a box; 2. a grinding chamber; 3. a grinding roller; 4. a first feed port; 5. a first chute; 6. rotating the groove; 7. a first rotating shaft; 8. a turntable; 9. a feed through hole; 10. a first discharge pipe; 11. a first support leg; 12. a first support base; 13. a rotating rod; 14. a gear; 15. gear teeth; 16. a servo motor; 17. a fixing ring; 18. a support bar; 19. a filter box; 20. a second feed port; 21. a second chute; 22. a second discharge pipe; 23. a sieve plate; 24. a discharge chute; 25. a sealing door; 26. an L-shaped handle; 27. a second rotating shaft; 28. rotating the lock lever; 29. a second support leg; 30. a second support base.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides an intermittent feeding grinding device for processing wheat flour, which comprises a grinding box 1, wherein a grinding mechanism is arranged in the grinding box 1, and a first supporting mechanism is arranged at the bottom end of the grinding box 1;

the feeding mechanism comprises a plurality of first feeding holes 4 and a rotary table 8, the plurality of first feeding holes 4 are arranged at the top end of a grinding box 1 in an annular array, feeding hoppers are fixedly connected to the top end of the grinding box 1 and the positions of the plurality of first feeding holes 4, first sliding chutes 5 are arranged at the bottom ends of the inner walls of the plurality of first feeding holes 4, rotary grooves 6 are arranged on the inner walls of the plurality of first feeding holes 4, a plurality of first rotating shafts 7 are rotatably connected to the bottom ends of the inner walls of the rotary grooves 6, the plurality of first rotating shafts 7 are respectively fixedly connected with the middle parts of the bottom ends of the rotary tables 8 at corresponding positions, feeding through holes 9 are arranged on the lateral sides of the top ends of the rotary tables 8, the feeding through holes 9 are rotated by the rotation of the rotary table 8, only when the rotated feeding through holes 9 coincide with the first feeding holes 4, the wheat can pass through the first feeding holes 4 grinding mechanism, and when the wheat flour does not coincide, the, therefore, intermittent and regular feeding into the grinding mechanism is realized, the feeding can be carried out at multiple positions through the multiple first feeding holes 4, and meanwhile, enough wheat is fed into the feeding hopper once, so that the manual feeding frequency is reduced;

a linkage mechanism arranged on the outer wall of the plurality of turntables 8;

the filtering mechanism is arranged below the grinding box 1;

the grinding mechanism comprises a grinding roller 3, a grinding cavity 2 is formed in the grinding box 1, the grinding cavity 2 is respectively communicated with a plurality of first material sliding grooves 5, the grinding roller 3 is rotatably arranged in the grinding cavity 2, wheat particles rub between the rotating grinding roller 3 and the inner wall of the grinding cavity 2 so as to grind the wheat particles, and a first discharging pipe 10 is fixedly connected to the bottom end of the grinding box 1 and the position of the grinding cavity 2;

the first supporting mechanism comprises four first supporting legs 11 and a first supporting base 12, the top ends of the four first supporting legs 11 are fixedly connected with four corners of the bottom end of the grinding box 1 respectively, the grinding box 1 is supported by the first supporting legs 11, the top ends of the four first supporting bases 12 are fixedly connected with the bottom ends of the first supporting legs 11 at corresponding positions respectively, the supporting area of the first supporting bases 12 is increased, and the grinding box 1 is placed more stably;

the linkage mechanism comprises a rotating rod 13 and a gear 14, the bottom end of the rotating rod 13 is fixedly connected with the top end of the grinding roller 3, the top end of the grinding box 1 is provided with a rotating hole communicated with the grinding cavity 2, the rotating rod 13 is rotatably connected inside the rotating hole through a bearing, the rotating hole is communicated with the rotating groove 6, the gear 14 is fixedly sleeved on the outer wall of the rotating rod 13, the gear 14 is arranged inside the rotating groove 6, the outer walls of the plurality of rotary discs 8 are respectively provided with gear teeth 15, the outer wall of the gear 14 is respectively meshed and connected with the gear teeth grooves of the plurality of gear teeth 15, the gear 14 rotates through the rotation of the rotating rod 13, the plurality of rotary discs 8 are driven to synchronously rotate under the meshing with the gear teeth 15, so as to perform intermittent feeding, the diameter of the gear 14 is smaller than the diameter of the plurality of rotary discs 8, the rotating speed of the rotary discs 8 is smaller than the rotating speed of the gear 14, so as to achieve the purpose, the output shaft of servo motor 16 is connected with the top transmission of bull stick 13, through a servo motor 16 alright carry out intermittent type material loading and grinding simultaneously, reduced manufacturing cost, servo motor 16 is through external switch and external power source electric connection, and the operating personnel of being convenient for controls servo motor 16. The safety and the convenience of operation are improved;

the outer wall of the servo motor 16 is fixedly sleeved with a fixing ring 17, the bottom end of the fixing ring 17 is fixedly connected with a plurality of support rods 18 in an annular array, the bottom ends of the support rods 18 are fixedly connected with the top end of the grinding box 1, and the servo motor 16 is fixedly installed through the fixing ring 17 and the support rods 18;

the filtering mechanism comprises a filtering box 19 and a sieve plate 23, the sieve plate 23 is movably arranged inside the filtering box 19, the sieve plate 23 is obliquely arranged, the top end of the filtering box 19 is provided with a second feeding hole 20, the top end of the filtering box 19 is fixedly connected with the bottom end of the first discharging pipe 10, the second feeding hole 20 is communicated with the first discharging pipe 10, one side of the filtering box 19 is provided with a discharging groove 24, the bottom of the inner cavity of the filtering box 19 is provided with a second sliding groove 21, the bottom end of the filtering box 19 is fixedly connected with a second discharging pipe 22 at the position of the second sliding groove 21, screening the wheat flour falling into the filter box 19 through the sieve plate 23, enabling the wheat flour to pass through the sieve plate 23 and enter the second chute 21 when meeting the requirement, enabling the wheat flour which does not meet the requirement to slide to the discharge chute 24 through the sieve plate 23 which is obliquely arranged to carry out secondary grinding, so as to screen the ground wheat flour, and the bottom end of the filter box 19 is provided with a second supporting mechanism;

the front of the filter box 19 is hinged with a sealing door 25, the front of the sealing door 25 is fixedly connected with an L-shaped handle 26, the edge side of the front of the filter box 19 is rotatably connected with a second rotating shaft 27, the outer wall of the second rotating shaft 27 is fixedly connected with a rotating lock rod 28, the outer wall of the rotating lock rod 28 is attached to the top end of the L-shaped handle 26, the sealing door 25 can be conveniently opened and closed through the rotating lock rod 28 and the L-shaped handle 26, and therefore the sieve plate 23 can be conveniently cleaned;

the second supporting mechanism comprises four second supporting legs 29 and a second supporting base 30, the top ends of the four second supporting legs 29 are fixedly connected with four corners of the bottom end of the filter box 19 respectively, the second supporting legs 29 support the filter box 19, the top ends of the four second supporting bases 30 are fixedly connected with the bottom ends of the second supporting legs 29 at corresponding positions respectively, and the second supporting base 30 increases the supporting area, so that the filter box 19 is placed more stably.

The working principle of the invention is as follows: sufficient wheat is fed into a plurality of feed hoppers, a switch of a servo motor 16 is turned on, so that an output shaft of the servo motor 16 drives a rotating rod 13 to rotate, the rotating rod 13 rotates to drive a gear 14 to rotate, the gear 14 rotates to drive a plurality of rotary tables 8 with gear teeth 15 to rotate, the wheat continues to stay in the feed hoppers along with the rotation of the rotary tables 8 until a feed through hole 9 coincides with a corresponding first feed port 4, the wheat particles accumulated at the top of the first feed port 4 enter a first sliding chute 5 through the feed through hole 9, when the feed through hole 9 does not coincide with the first feed port 4 along with the rotation of the rotary tables 8, the wheat particles entering the first sliding chute 5 enter a grinding cavity 2, the grinding roller 3 rotates to grind the wheat particles in the grinding cavity 2 along with the rotation of the rotating rod 13, and the friction between the wheat particles and the inner walls of the grinding roller 3 and the grinding cavity 2, grinding the wheat flour into powder, feeding the powder into a first discharge pipe 10, feeding the wheat flour fed into the first discharge pipe 10 into a filter box 19 through a second feed port 20, dropping the wheat flour fed into the filter box 19 onto a sieve plate 23, allowing the successfully ground wheat flour to pass through the sieve plate 23 and drop into a second chute 21, finally, the wheat grains are discharged out of the filter box 19 through the second discharge pipe 22, some wheat grains which are not ground into powder slide to the discharge chute 24 through the sieve plate 23 which is obliquely arranged and are separated from the filter box 19, after the grinding is finished, the switch of the servo motor 16 is closed, the second rotating shaft 27 is rotated anticlockwise, the rotary lock rod 28 rotates around the second rotary shaft 27 until the rotary lock rod 28 is separated from the L-shaped handle 26, the L-shaped handle 26 is grasped to open the sealing door 25, the screen plate 23 is taken out for cleaning, and after the cleaning is completed, the operations are repeated in the reverse direction to install the screen plate 23 and close the sealing door 25.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. An intermittent feeding grinder for wheat flour processing is characterized by comprising:

the grinding box (1), a grinding mechanism is arranged inside the grinding box (1), and a first supporting mechanism is arranged at the bottom end of the grinding box (1);

the feeding mechanism comprises a plurality of first feeding holes (4) and rotary discs (8), the first feeding holes (4) are arranged at the top end of the grinding box (1) in an annular array mode, feeding hoppers are fixedly connected to the top end of the grinding box (1) and the positions, located at the first feeding holes (4), of the top end of the grinding box (1), first sliding chute (5) are arranged at the bottom end of the inner wall of each first feeding hole (4), rotary chutes (6) are arranged on the inner wall of each first feeding hole (4), a plurality of first rotating shafts (7) are rotatably connected to the bottom end of the inner wall of each rotary chute (6), the first rotating shafts (7) are fixedly connected with the middle portions of the bottoms of the rotary discs (8) at corresponding positions respectively, and feeding through holes (9) are formed in the side edges of the top ends of the rotary discs (8);

the linkage mechanism is arranged on the outer walls of the turntables (8);

the filtering mechanism is arranged below the grinding box (1).

2. The intermittent feeding and grinding device for processing the wheat flour as recited in claim 1, wherein the grinding mechanism comprises a grinding roller (3), a grinding cavity (2) is formed inside the grinding box (1), the grinding cavity (2) is respectively communicated with a plurality of first sliding chutes (5), the grinding roller (3) is rotatably arranged inside the grinding cavity (2), and a first discharge pipe (10) is fixedly connected to the bottom end of the grinding box (1) and the position of the grinding cavity (2).

3. An intermittent feeding and grinding device for wheat flour processing according to claim 1, wherein said first supporting means comprises four first supporting legs (11) and first supporting bases (12), the top ends of said four first supporting legs (11) are fixedly connected to the four corners of the bottom end of the grinding box (1), respectively, and the top ends of said four first supporting bases (12) are fixedly connected to the bottom ends of the first supporting legs (11) at the corresponding positions, respectively.

4. An intermittent feed grinding apparatus for wheat flour processing according to claim 1, wherein the grinding apparatus further comprises a feed mechanism for feeding the feed medium to the grinding apparatus, the linkage mechanism comprises a rotating rod (13) and a gear (14), the bottom end of the rotating rod (13) is fixedly connected with the top end of the grinding roller (3), the top end of the grinding box (1) is provided with a rotating hole which is communicated with the grinding cavity (2), the rotating rod (13) is rotatably connected inside the rotating hole through a bearing, the rotating hole is communicated with the rotating groove (6), the gear (14) is fixedly sleeved on the outer wall of the rotating rod (13), the gear (14) is arranged inside the rotating groove (6), the outer walls of the rotating discs (8) are provided with gear teeth (15), the outer wall of the gear (14) is respectively meshed and connected with tooth grooves of a plurality of gear teeth (15), the diameters of the gears (14) are smaller than the diameters of the turntables (8).

5. An intermittent feeding and grinding device for processing wheat flour as claimed in claim 4, wherein a servo motor (16) is arranged at the top end of the rotating rod (13), an output shaft of the servo motor (16) is in transmission connection with the top end of the rotating rod (13), and the servo motor (16) is electrically connected with an external power supply through an external switch.

6. An intermittent feeding and grinding device for wheat flour processing as claimed in claim 5, wherein the outer wall of the servo motor (16) is fixedly sleeved with a fixing ring (17), the bottom end of the fixing ring (17) is fixedly connected with a plurality of support rods (18) in an annular array, and the bottom ends of the plurality of support rods (18) are fixedly connected with the top end of the grinding box (1).

7. An intermittent feed grinding apparatus for wheat flour processing according to claim 1, wherein the grinding apparatus further comprises a feed mechanism for feeding the feed medium to the grinding apparatus, the filtering mechanism comprises a filtering box (19) and a sieve plate (23), the sieve plate (23) is movably arranged in the filtering box (19), the sieve plate (23) is obliquely arranged, the top end of the filter box (19) is provided with a second feed inlet (20), the top end of the filter box (19) is fixedly connected with the bottom end of the first discharge pipe (10), the second feeding hole (20) is communicated with the first discharging pipe (10), one side of the filter box (19) is provided with a discharging groove (24), a second chute (21) is arranged at the bottom of the inner cavity of the filter box (19), the bottom of rose box (19) just is located second chute (21) position department fixedly connected with second discharging pipe (22), the bottom of rose box (19) is provided with second supporting mechanism.

8. An intermittent feeding and grinding device for wheat flour processing as claimed in claim 7, wherein the front of the filter box (19) is hinged with a sealing door (25), the front of the sealing door (25) is fixedly connected with an L-shaped handle (26), the front side of the filter box (19) is rotatably connected with a second rotating shaft (27), the outer wall of the second rotating shaft (27) is fixedly connected with a rotating lock rod (28), and the outer wall of the rotating lock rod (28) is attached to the top end of the L-shaped handle (26).

9. An intermittent feeding and grinding device for wheat flour processing as claimed in claim 7, wherein said second support mechanism comprises four second support legs (29) and a second support base (30), the top ends of said four second support legs (29) are fixedly connected with four corners of the bottom end of the filter box (19), respectively, and the top ends of said four second support bases (30) are fixedly connected with the bottom ends of the second support legs (29) at corresponding positions, respectively.

10. The use method of the intermittent feeding grinding device for processing the wheat flour is characterized by comprising the following specific use steps:

the method comprises the following steps: enough wheat is fed into the feeding hoppers, a switch of a servo motor (16) is turned on, so that an output shaft of the servo motor (16) drives a rotating rod (13) to rotate, the rotating rod (13) rotates to drive a gear (14) to rotate, the gear (14) rotates to drive a plurality of rotating discs (8) with gear teeth (15) to rotate, the rotating discs (8) rotate along with the rotating, until a feeding through hole (9) is overlapped with a corresponding first feeding hole (4), the wheat particles accumulated at the top of the first feeding hole (4) enter a first sliding chute (5) through the feeding through hole (9), and when the feeding through hole (9) does not overlap with the first feeding hole (4) along with the rotation of the rotating discs (8), the wheat continues to be left in the feeding hoppers;

step two: the wheat grains entering the first chute (5) enter the grinding cavity (2), the grinding roller (3) is driven to rotate along with the rotation of the rotating rod (13), the grinding roller (3) rotates to grind the wheat grains in the grinding cavity (2), and the wheat grains are ground into powder along with the friction between the wheat grains and the inner walls of the grinding roller (3) and the grinding cavity (2) and enter the first discharge pipe (10);

step three: wheat flour entering the first discharging pipe (10) enters the filtering box (19) through the second feeding hole (20), the wheat flour entering the filtering box (19) falls on the sieve plate (23), the successfully ground wheat flour passes through the sieve plate (23) and falls into the second chute (21), finally the wheat flour is discharged out of the filtering box (19) through the second discharging pipe (22), and some wheat particles which are not ground into powder slide to the position of the discharging chute (24) through the obliquely arranged sieve plate (23) and are separated from the filtering box (19);

step four: after grinding, a switch of the servo motor (16) is turned off, the second rotating shaft (27) is rotated anticlockwise, the rotating lock rod (28) rotates around the second rotating shaft (27) until the rotating lock rod (28) is separated from the L-shaped handle (26), the L-shaped handle (26) is grabbed to open the sealing door (25) and take out the sieve plate (23) for cleaning, and after cleaning is completed, the operation is repeated reversely to install the sieve plate (23) and close the sealing door (25).