CN111495498A - Flour production and processing method - Google Patents

Abstract

The invention relates to a flour production and processing method, which mainly includes the following steps: screening, cleaning, grinding, screening, packaging and other processes. The used crop grinding equipment includes a bottom plate, a grinding device, and a pulverizing device. And the sweeping device, the present invention can solve the following problems when the existing flour is produced and ground, a, when the traditional flour is ground, it is often necessary to manually use a stone mill to grind crops, and it is necessary to manually push the stone mill and manually push the stone mill. It is time-consuming and labor-intensive, the crop grinding efficiency is low, and the crop grinding is insufficient, which affects the quality of the flour; b When the traditional crop grinding machine grinds the crops, the crops are not uniformly crushed, and the flour is prone to large crop particles during the screening process. When the filter holes are blocked, manual processing is more troublesome, which affects the grinding efficiency of flour, and more flour remains on the screen, which wastes raw materials and improves the efficiency of flour grinding.

Description

A kind of flour production and processing method

technical field

The invention relates to the technical field of flour production and processing, in particular to a flour production and processing method.

Background technique

Flour is a kind of powder ground from crops. According to the protein content of flour, it can be divided into high-gluten flour, medium-gluten flour, low-gluten flour and gluten-free flour. The grade of flour is also the same as that of wheat husk and germ. There is a direct relationship with the content of minerals (ash), the higher the mineral content, the lower the grade of the flour; on the contrary, the lower the content, the higher the grade of the flour, and the crops need to be ground when producing flour.

However, the following problems exist in the existing flour production and grinding: a. During the traditional flour grinding, it is often necessary to manually use a stone mill to grind crops, and it is necessary to manually push the stone mill, which is time-consuming and labor-intensive, and the grinding efficiency is low. , and the crop particles are not sufficiently ground, which affects the quality of the flour; b The traditional flour grinding machine grinds the crop particles unevenly, and the flour is prone to large crop particles blocking the filter holes during the screening process. It is more troublesome, affects the grinding efficiency of flour, and there is more flour remaining on the screen, which wastes raw materials, which can reduce the labor intensity of flour grinding and improve the efficiency of flour grinding.

SUMMARY OF THE INVENTION

In order to solve the above problems, the present invention provides a method for producing and processing flour, which can solve the above-mentioned problems existing in the production and grinding of flour.

In order to achieve the above object, the present invention adopts the following technical solutions to realize: a kind of flour production and processing method, mainly comprises the following steps:

Step 1, screening operation, screening the crops to screen out the impurities in the crops, so that the crops are clean and free of impurities, and clean crops are obtained;

Step 2, cleaning operation, performing cleaning operation on the clean crops obtained in step 1 to obtain the cleaned crops;

Step 3, flour grinding operation, placing the cleaned crops obtained in step 2 into the crop grinding equipment for grinding operation to obtain flour with flour grinding;

Step 4, sieving processing, screening the flour obtained in step 3 and completing the grinding, separating the flour and the wheat husk to obtain the finished flour;

Step 5, packaging operation, perform packaging operation on the finished flour obtained in step 4 to obtain the flour that has been packaged.

The crop grinding equipment used in the above steps includes a bottom plate, a grinding device, a pulverizing device and a sweeping device. The bottom plate is provided with a grinding device, a grinding device is mounted on the grinding device, and a cleaning device is mounted on the grinding device.

The grinding device includes a grinding ring, a cover plate, an L-shaped plate, a No. 1 motor, a power rod, a sliding rod, a square rod, an extrusion plate, a connecting rod, a positioning circular plate, a grinding roller, and a grinding screen. and the feeding port, the bottom plate is symmetrically installed with L-shaped plates in the front and rear, a grinding ring is installed between the L-shaped plates, a cover plate is installed on the upper end of the grinding ring, and a positioning circular plate is installed between the inner walls of the middle end of the grinding ring , There is a circular groove at the center of the positioning rod, a connecting rod is installed in the circular groove through a bearing, a grinding round roller is connected to the lower end of the connecting rod, a power rod is installed on the upper end of the connecting rod, and a motor No. The output end of the No. 1 motor is connected to the power rod. The power rod is provided with a power groove along its circumferential direction on the outer wall of the power rod. The positioning circular plate is evenly provided with straight grooves along its circumferential direction. The straight groove is installed by sliding fit. There is a square rod, a sliding round rod is installed on the upper end of the square rod, and the sliding round rod is installed in the power groove by sliding fit. A feeding port is installed on the outer wall of the front end of the ring, and the power round rod can drive the grinding round roller to grind the crops, which improves the quality of crop grinding.

The crushing device includes a crushing box, a connecting plate, a No. 2 motor, a crushing roller, a crushing box, a power box, a No. 3 motor, a rotating rod, a feeding plate, a No. 1 bevel gear, a No. 1 gear, a crushing roller, and a rotating circle. The rod and the No. 2 gear, a crushing box is installed at the lower end of the grinding ring, a connecting plate is installed between the inner walls of the left and right ends of the crushing box, a groove is formed at the middle end of the lower side of the connecting plate, and the inner wall of the groove is installed with a No. 2 The motor, the output end of the No. 2 motor is equipped with a crushing roller, and the crushing roller and the crushing box are used in cooperation with each other. A power box is installed on the outer wall of the right end, a No. 3 motor is installed on the front side of the inner wall of the right end of the power box, a No. 3 bevel gear is installed at the output end of the No. 3 motor, a rotating round rod is installed on the No. 1 bevel gear, and the left end of the rotating round rod passes through the crushing box The right end is installed on the inner wall of the left end of the crushing box through the bearing, the rotating round rod is installed between the outer wall of the right end of the crushing box and the No. 1 bevel gear, and the rear side of the inner wall of the right end of the power box is installed with a rotating round rod through the bearing, and the rotating round rod The left end passes through the right end of the crushing box and is installed on the inner wall of the left end of the crushing box through a bearing. The rotating rod is installed in the power box with the No. 2 gear that meshes with the No. 1 gear. The rotating rod and the rotating rod are installed in the crushing box. There is a crushing roller, which is driven by the No. 2 motor to rotate, and the crushing roller can crush the crops.

The cleaning device includes a support plate, a sweeping rod, a No. 2 bevel gear, a power circular plate, a straight plate, a return plate, a return spring rod, a brush, a screen, a square plate, a No. 1 collection box, a No. 1 outlet. The material port and the No. 2 discharge port, the lower side of the outer wall of the right end of the crushing box is symmetrically installed with support plates up and down, the support plates at the upper and lower ends are equipped with a sweeping rod through bearings, and the upper end of the sweeping rod is installed with a No. 1 bevel gear No. 2 bevel gears meshing with each other, a power circular plate is eccentrically installed between the support plates at the upper and lower ends of the sweeping rod, the right end of the crushing box is provided with a square groove, and the left end of the crushing box is provided with a long slot, and the square groove is fitted by sliding fit. A straight plate is installed in the way, a return plate is installed at the upper end of the straight plate, a return spring rod is symmetrically installed on the outer wall of the left end of the return plate, the right end of the return spring rod is connected to the outer wall of the right end of the crushing box, and the left end of the straight plate is installed in the crushing box. Brush, a screening net is installed between the inner wall of the lower end of the crushing box, the No. 1 discharge port is installed on the outer wall of the left end of the crushing box to cooperate with the long slot, and a square plate is installed on the outer wall of the left end of the crushing box at the lower end of the long slot. The No. 1 collection box is installed on the square plate, and the No. 2 discharge port is installed at the lower end of the crushing box. The rotation of the power circular plate and the rebound of the return spring rod can drive the brush on the straight plate to reciprocate left and right, so that the brush can A collection operation is performed on the flour on the screen.

As a preferred technical solution of the present invention, the power groove is an annular groove connected to each other in a V-shape along the circumferential direction of the outer wall of the power round rod, so that the power groove can drive the extrusion plate to move through the sliding round rod and the square rod. Up and down linear reciprocating motion enables the extrusion plate to squeeze and beat the crops.

As a preferred technical solution of the present invention, the upper end of the grinding roller is an arc surface, and the grinding net and the pressing plate are used in cooperation with the arc surface on the upper end of the grinding roller, so that the crops can be ground.

As a preferred technical solution of the present invention, support rods are evenly installed at the lower end of the bottom plate, which improves the stability of crop grinding.

As a preferred technical solution of the present invention, a No. 2 collection box is installed in the middle of the upper end of the bottom plate, which can collect flour.

The beneficial effects of the present invention are:

1. the present invention can solve the following problems existing during the grinding of existing flour production, a, during traditional flour grinding, it is often necessary to manually use a stone mill to carry out grinding operations on crops, and it is necessary to manually push the stone mill, which is time-consuming. It is laborious, the grinding efficiency is low, and the crop particles are not sufficiently ground, which affects the quality of the flour; b The traditional flour grinding machine grinds the crop particles unevenly, and the flour is prone to large crop particles block the filter holes during the screening process. In this case, manual processing is more troublesome, which affects the grinding efficiency of flour, and more flour remains on the screen, which wastes raw materials, which can reduce the labor intensity of manual flour grinding and improve the efficiency of flour grinding.

2. The grinding device designed by the present invention passes the grinding ring, cover plate, L-shaped plate, No. 1 motor, power round rod, sliding round rod, square rod, extrusion plate, connecting round rod, positioning circular plate, and grinding round roller. It cooperates with the grinding net, so that the power rod can drive the grinding roller to grind the crops, and the power groove designed on the power rod drives the sliding rod and the square rod to drive the extrusion plate to reciprocate up and down in a straight line. The extruding plate can squeeze and beat the crops and grind the crops, which can improve the grinding quality of the crops.

3. The crushing device and sweeping device designed in the present invention pass through the crushing box, the connecting plate, the No. 2 motor, the crushing roller, the crushing box, the power box, the No. 3 motor, the rotating round rod, the feeding plate, the No. 1 bevel gear, the No. 1 bevel gear, and the The mutual cooperation between the gear, the crushing roller, the rotating rod and the No. 2 gear enables the crushing roller to crush the crops and grind the crops again. The mutual cooperation between the plate, straight plate, return plate, return spring rod, brush, screen, square plate, No. 1 collection box, No. 1 discharge port and No. 2 discharge port makes the power circular plate rotate And the rebound of the return spring rod can drive the brush on the straight plate to reciprocate left and right, so that the brush can collect the flour on the screen, and ensure the smoothness of the screen, no blockage of the mesh, and improve the efficiency of the screen. Grinding efficiency of crops.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the working flow chart of the present invention;

Fig. 2 is the structural representation of crop grinding equipment of the present invention;

Fig. 3 is the sectional view of Fig. 2 of the present invention;

Fig. 4 is the A-A sectional view of Fig. 3 of the present invention;

Fig. 5 is the partial structure schematic diagram of the pulverizing device of the present invention;

FIG. 6 is a schematic diagram of a partial structure of the grinding device of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different ways as defined and covered by the claims.

As shown in Figure 1 to Figure 6, a flour production and processing method mainly includes the following steps:

Step 1, screening operation, screening the crops to screen out the impurities in the crops, so that the crops are clean and free of impurities, and clean crops are obtained;

Step 2, cleaning operation, performing cleaning operation on the clean crops obtained in step 1 to obtain the cleaned crops;

Step 3, flour grinding operation, placing the cleaned crops obtained in step 2 into the crop grinding equipment for grinding operation to obtain flour with flour grinding;

Step 4, sieving processing, screening the flour obtained in step 3 and completing the grinding, separating the flour and the wheat husk to obtain the finished flour;

Step 5, packaging operation, perform packaging operation on the finished flour obtained in step 4 to obtain the flour that has been packaged.

The crop grinding equipment used in the above steps includes a bottom plate 1, a grinding device 2, a pulverizing device 3 and a sweeping device 4. The bottom plate 1 is provided with a grinding device 2, and a grinding device 3 is installed on the grinding device 2. The grinding device 3 A cleaning device 4 is mounted thereon.

The grinding device 2 includes a grinding ring 2a, a cover plate 2b, an L-shaped plate 2c, a No. 1 motor 2d, a power round rod 2e, a sliding round rod 2f, a square rod 2g, a pressing plate 2h, a connecting round rod 2i, The positioning circular plate 2j, the grinding circular roller 2k, the grinding net 21 and the feeding port 2m are provided with an L-shaped plate 2c symmetrically installed in the front and rear of the bottom plate 1, and a grinding ring 2a is installed between the L-shaped plates 2c. The grinding ring 2a A cover plate 2b is installed at the upper end, a positioning circular plate 2j is installed between the inner wall of the middle end of the grinding ring 2a, a circular groove is opened at the center of the positioning circular rod, and a connecting circular rod 2i is installed in the circular groove through a bearing, and the lower end of the connecting circular rod 2i is installed. A grinding round roller 2k is connected, a power round rod 2e is installed on the upper end of the connecting round rod 2i, a No. 1 motor 2d is installed on the lower end of the cover plate 2b, and the output end of the No. A power groove is formed in the circumferential direction, a straight groove is evenly formed on the positioning circular plate 2j along its circumferential direction, a square rod 2g is installed in the straight groove by sliding fit, and a sliding round rod 2f is installed on the upper end of the square rod 2g, and The sliding round rod 2f is installed in the power groove by sliding fit, the lower end of the square rod 2g is installed with a pressing plate 2h, the grinding ring 2a is installed on the inner wall of the lower end with a grinding net 2l, and the front end of the grinding ring 2a is installed on the outer wall. mouth 2m.

The power grooves are annular grooves connected to each other in a V-shape along the circumferential direction of the outer wall of the power rod 2e.

The upper end of the grinding circular roller 2k is a circular arc surface, and both the grinding net 21 and the pressing plate 2h are used in cooperation with the circular arc surface on the upper end of the grinding circular roller 2k.

During specific work, the crops to be pulverized are transported to the grinding net 2l through the feeding port 2m, the No. 1 motor 2d drives the power rod 2e to rotate, the power rod 2e drives the connecting rod 2i to rotate, and the connecting rod 2i drives the grinding circle The rotation of the roller 2k makes the grinding round roller 2k grind the crops. At the same time, the power round rod 2e drives the sliding round rod 2f to reciprocate up and down linearly through the power groove. The sliding round rod 2f drives the square rod 2g to perform the up and down reciprocating motion. The pressing plate 2h is driven to squeeze the crops on the grinding net 2l, and the crops with small grains fall into the crushing box 3a through the grinding net 2l.

The crushing device 3 includes a crushing box 3a, a connecting plate 3b, a No. 2 motor 3c, a crushing roller 3d, a crushing box 3e, a power box 3f, a No. 3 motor 3g, a rotating rod 3h, a feeding plate 3i, and a No. 1 bevel gear. 3j, the No. 1 gear 3k, the crushing roller 3l, the rotating rod 3m and the No. 2 gear 3n, a crushing box 3a is installed at the lower end of the grinding ring 2a, and a connecting plate 3b is installed between the inner walls of the left and right ends of the crushing box 3a, The middle end of the lower side of the connecting plate 3b is provided with a groove, the No. 2 motor 3c is installed on the inner wall of the groove, and the output end of the No. 2 motor 3c is installed with a crushing roller 3d. The crushing roller 3d and the crushing box 3a are used in cooperation with each other, and the crushing box A crushing box 3e is installed at the lower end of 3a, a feeding plate 3i is installed symmetrically between the inner walls of the left and right ends of the upper side of the crushing box 3e, and a power box 3f is installed on the outer wall of the right end of the crushing box 3e. 3g, the No. 3 motor 3g output end is installed with a No. 1 bevel gear 3j, a rotating rod 3h is installed on the No. 1 bevel gear 3j, and the left end of the rotating rod 3h passes through the right end of the crushing box 3e and is installed on the inner wall of the left end of the crushing box 3e through a bearing On the rotating rod 3h, a gear 3k is installed between the outer wall of the right end of the crushing box 3e and the number one bevel gear 3j, the rear side of the inner wall of the right end of the power box 3f is installed with a rotating rod 3m through a bearing, and the left end of the rotating rod 3m passes through The right end of the crushing box 3e is mounted on the inner wall of the left end of the crushing box 3e through a bearing, the rotating rod 3m is located in the power box 3f and there is a second gear 3n that meshes with the first gear 3k, and the rotating rod 3h and the rotating rod 3m are installed on the A crushing roller 3l is installed in the crushing box 3e.

During the specific operation, the No. 2 motor 3c drives the crushing roller 3d to rotate, so that the crushing roller 3d smashes the crops falling into the crushing box 3a, and the crushed crops fall into the crushing box 3e, and the No. 3 motor 3g drives a The No. 1 bevel gear 3j rotates, the No. 1 bevel gear 3j drives the rotating rod 3h to rotate, the rotating rod 3h drives the No. 1 gear 3k to rotate, the No. 1 gear 3k drives the No. 2 gear 3n through gear meshing, and the No. 2 gear 3n drives Rotate the round rod 3m to rotate, and rotate the round rod 3m and the rotating round rod 3h to drive the crushing roller 3l to crush the crops, and crush the crops into flour and wheat husks.

The sweeping device 4 includes a support plate 4a, a sweeping rod 4b, a No. 2 bevel gear 4c, a power disc 4d, a straight plate 4e, a return plate 4f, a return spring rod 4g, a brush 4h, a screen 4i, and a square. Plate 4j, No. 1 collection box 4k, No. 1 discharge port 4l and No. 2 discharge port 4m, the lower side of the outer wall of the right end of the crushing box 3e is symmetrically installed with support plates 4a up and down, and the support plates 4a at the upper and lower ends pass through bearings. A sweeping rod 4b is installed, the upper end of the sweeping rod 4b is installed with a No. 2 bevel gear 4c that meshes with the No. 1 bevel gear 3j, and a power circular plate 4d is eccentrically installed between the support plates 4a at the upper and lower ends of the sweeping rod 4b. The right end of the crushing box 3e is provided with a square groove, the left end of the crushing box 3e is provided with a long slot, and a straight plate 4e is installed in the square groove by sliding fit, and a return plate 4f is installed on the upper end of the straight plate 4e, and the outer wall of the left end of the return plate 4f is installed A return spring rod 4g is installed symmetrically in the front and rear, the right end of the return spring rod 4g is connected to the outer wall of the right end of the crushing box 3e, the left end of the straight plate 4e is located in the crushing box 3e, and a brush 4h is installed, and a screen is installed between the inner walls of the lower end of the crushing box 3e. 4i, the outer wall of the left end of the crushing box 3e is provided with a No. 1 discharge port 4l which is used in cooperation with the elongated groove, the outer wall of the left end of the crushing box 3e is installed with a square plate 4j at the lower end of the elongated groove, and a No. 1 collector is installed on the square plate 4j. Box 4k, the lower end of the crushing box 3e is equipped with a No. 2 discharge port 4m.

A No. 2 collection box 12 is installed in the middle of the upper end of the bottom plate 1 .

During specific operation, the No. 3 motor 3g drives the No. 1 bevel gear 3j to rotate, the No. 1 bevel gear 3j drives the No. 2 bevel gear 4c to rotate through gear meshing, and the No. 2 bevel gear 4c drives the sweeping rod 4b to rotate, and the sweeping rod 4b Drive the power circular plate 4d to rotate, the power circular plate 4d drives the square plate 4j to move to the left end, and drives the square plate 4j to move to the right end under the rebound action of the return spring rod 4g, so that the square plate 4j performs a linear reciprocating motion left and right, and the square plate 4j moves to the right. 4j drives the brush 4h to reciprocate left and right in a straight line, so that the brush 4h sweeps the flour and wheat husks remaining on the screen 4i into the No. 1 collection box 4k through the No. 1 discharge port 4l, and the flour and The wheat husks fall into the No. 2 collection box 12 through the No. 2 discharge port 4m, and the flour and wheat husks are collected.

The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention will also There are various changes and modifications which fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A flour production and processing method is characterized in that: the method mainly comprises the following manufacturing steps:

screening, namely screening crops to screen out impurities in the crops, so that the crops are clean and free of impurities to obtain clean crops;

step two, cleaning operation is carried out, wherein the clean crops obtained in the step one are cleaned to obtain cleaned crops;

step three, performing flour grinding operation, namely putting the cleaned crops obtained in the step two into crop grinding equipment for flour grinding operation to obtain flour with flour being ground;

screening, namely screening the flour which is milled in the step three, and separating the flour and the wheat bran to obtain finished flour;

step five, packaging operation is carried out, namely the finished product flour obtained in the step four is packaged to obtain packaged flour;

the crop grinding equipment used in the steps comprises a bottom plate (1), a grinding device (2), a grinding device (3) and a sweeping device (4), wherein the grinding device (2) is installed on the bottom plate (1), the grinding device (3) is installed on the grinding device (2), and the sweeping device (4) is installed on the grinding device (3);

the grinding device (2) comprises a grinding circular ring (2a), a cover plate (2b), L templates (2c), a first motor (2d), a power circular rod (2e), a sliding circular rod (2f), a square rod (2g), an extrusion plate (2h), a connecting circular rod (2i), a positioning circular plate (2j), a grinding circular roller (2k), a grinding net (2l) and a feed inlet (2m), wherein L templates (2c) are symmetrically installed at the front and the back of the base plate (1), the grinding circular ring (2a) is installed between L templates (2c), the cover plate (2b) is installed at the upper end of the grinding circular ring (2a), the positioning circular plate (2j) is installed between the inner walls of the middle ends of the grinding circular ring (2a), a circular grooves are formed in the circle center of the positioning circular rod, the connecting circular rod (2i) is installed through a bearing, the lower end of the connecting circular rod (2i) is connected with the grinding circular roller (2k), the power circular rod (2e) is installed at the upper end of the connecting circular rod (2i), the lower end of the power circular rod (2i) is installed on the inner wall of the square rod (2f), the square rod (2e), the sliding circular groove (2g) is installed on the inner wall of the upper end of the sliding circular rod (2g), the sliding circular rod (2g) in the sliding circular rod (2g), the sliding circular rod (2g) in the sliding circular groove, the sliding circular rod (2g) in the sliding mode of the sliding circular rod (2g) and the sliding mode of the sliding circular rod (2g), the sliding circular rod (2g) is installed on the sliding circular rod (2;

the grinding device (3) comprises a grinding box (3a), a connecting plate (3b), a second motor (3c), a grinding roller (3d), a grinding box (3e), a power box (3f), a third motor (3g), a rotary round rod (3h), a feeding plate (3i), a first bevel gear (3j), a first gear (3k), a grinding roller (3l), a rotary round rod (3m) and a second gear (3n), wherein the grinding box (3a) is arranged at the lower end of the grinding ring (2a), the connecting plate (3b) is arranged between the inner walls of the left end and the right end of the grinding box (3a), a groove is formed in the middle end of the lower side of the connecting plate (3b), the second motor (3c) is arranged on the inner wall of the groove, the grinding roller (3d) is arranged at the output end of the second motor (3c), and the grinding roller (3d) and the grinding box (3a) are matched with each other, a crushing box (3e) is arranged at the lower end of the crushing box (3a), feeding plates (3i) are symmetrically arranged between the front and back of the inner walls of the left and right ends of the upper side of the crushing box (3e), a power box (3f) is arranged on the outer wall of the right end of the crushing box (3e), a third motor (3g) is arranged on the front side of the inner wall of the right end of the power box (3f), a first bevel gear (3j) is arranged at the output end of the third motor (3g), a first rotary round rod (3h) is arranged on the first bevel gear (3j), the left end of the rotary round rod (3h) penetrates through the right end of the crushing box (3e) and is arranged on the inner wall of the left end of the crushing box (3e) through a bearing, a first gear (3k) is arranged between the outer wall of the right end of the crushing box (3e) and the first bevel gear (3j), a rotary round rod (, and the left end of the rotary round rod (3m) passes through the right end of the crushing box (3e) and is installed on the inner wall of the left end of the crushing box (3e) through a bearing, a second gear (3n) meshed with the first gear (3k) is installed in the power box (3f) on the rotary round rod (3m), and a crushing roller (3l) is installed in the crushing box (3e) on the rotary round rod (3h) and the rotary round rod (3 m).

2. A method of producing flour as claimed in claim 1, wherein: the sweeping device (4) comprises a supporting plate (4a), a sweeping round rod (4b), a second bevel gear (4c), a power round plate (4d), a straight plate (4e), a return plate (4f), a return spring rod (4g), a brush (4h), a screening net (4i), a square plate (4j), a first collecting box (4k), a first discharging hole (4l) and a second discharging hole (4m), wherein the supporting plate (4a) is symmetrically arranged on the lower side of the outer wall of the right end of the crushing box (3e) from top to bottom, the sweeping round rods (4b) are arranged on the supporting plates (4a) at the upper end and the lower end through bearings, the second bevel gear (4c) meshed with the first bevel gear (3j) is arranged at the upper end and the lower end of the sweeping round rod (4b), and the power round plate (4d) is eccentrically arranged between the supporting plates (4a) at the upper end and the lower end of the sweeping round rod (4b, the right end of the crushing box (3e) is provided with a square groove, the left end of the crushing box (3e) is provided with a strip groove, a straight plate (4e) is arranged in the square groove in a sliding fit mode, a return plate (4f) is arranged at the upper end of the straight plate (4e), return spring rods (4g) are symmetrically arranged on the outer wall of the left end of the return plate (4f) front and back, the right end of each return spring rod (4g) is connected to the outer wall of the right end of the crushing box (3e), the left end of the straight plate (4e) is positioned in the crushing box (3e) and is provided with a brush (4h), a screening net (4i) is arranged between the inner walls of the lower end of the crushing box (3e), a discharge port (4l) matched with the strip groove for use is arranged on the outer wall of the left end of the crushing box (3e), the square plate (4j) is arranged at the lower end of the strip groove and is provided with a collection box, the lower end of the crushing box (3e) is provided with a second discharge hole (4 m).

3. A method of producing flour as claimed in claim 1, wherein: the power groove is an annular groove which is connected with each other along the circumferential direction V-shaped of the outer wall of the power round rod (2 e).

4. A method of producing flour as claimed in claim 1, wherein: the upper end of the grinding round roller (2k) is an arc surface, and the grinding net (2l) and the extrusion plate (2h) are matched with the arc surface at the upper end of the grinding round roller (2k) for use.

5. A method of producing flour as claimed in claim 1, wherein: the lower end of the bottom plate (1) is uniformly provided with a support rod (11).

6. A method of producing flour as claimed in claim 1, wherein: the middle part of the upper end of the bottom plate (1) is provided with a second collecting box (12).

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