CN108668641B

CN108668641B - Wheat milling device

Info

Publication number: CN108668641B
Application number: CN201810467581.8A
Authority: CN
Inventors: 邓松羽; 陈江; 申志清
Original assignee: Guizhou Wuchuan Baye Farm Co ltd
Current assignee: Guizhou Wuchuan Baye Farm Co ltd
Priority date: 2018-05-11
Filing date: 2018-05-11
Publication date: 2020-11-03
Anticipated expiration: 2038-05-11
Also published as: CN108668641A

Abstract

The invention belongs to the field of agricultural processing, and particularly discloses a wheat rice milling device.A milling barrel is arranged on a rack, a milling rod is rotatably connected to the rack, the lower end of the milling rod extends into the milling barrel, and a milling disc is fixedly connected to the lower end of the milling rod; an air bag, a rotary sieve plate and a sliding plate are fixedly connected in sequence from top to bottom in the milling barrel; a first spring is fixedly connected between the sliding plate and the bottom of the milling barrel; the lower end of the sieve plate is fixedly connected with a support rod, and the lower end of the support rod penetrates through the sliding plate and the bottom of the milling barrel and extends out of the milling barrel; the lower part of the milling barrel is provided with a left through hole and a right through hole which are parallel and level in height, and the left through hole is fixedly connected with a discharging plate; a blower device is arranged at the right through hole on the frame; the bottom of the milling barrel is provided with an air inlet and an air outlet, the air outlet is fixedly connected with an air outlet pipe, and one end of the air outlet pipe, which is far away from the milling barrel, is communicated with the air bag. By adopting the scheme of the invention, the problem that the wheat ears move in the direction away from the grinding disc in the grinding process is solved.

Description

Wheat milling device

Technical Field

The invention belongs to the field of agricultural processing, and particularly relates to a wheat milling device.

Background

Rice, originally "particulate matter on plants" (e.g. rice, corn), gradually "interstitial bonds consisting of small units" (e.g. porridge, slate, earth and stone walls), and finally "everything in a rice-shaped structure" (e.g. flour, flour). In daily life, "rice" is often used to denote the de-skinned seed of cereals or other plants.

Wheat is a general term for wheat-based plants, is a monocotyledon, is a gramineous plant widely grown around the world, and wheat caryopsis is are one of staple foods for humans. Caryopsis refers to the dry fruit of grass family plant containing one seed, which can also be called rice. In the milling of wheat, a process of separating caryopsis from ears by milling is performed, and a milling device is generally used.

The milling device in the prior art comprises a placing plate and a milling disc positioned above the placing plate, wheat ears are placed on the placing plate, the lower end of the milling disc is in contact with the wheat ears by rotating the milling disc, and caryopsis are milled from the wheat ears by the rotating acting force of the milling disc. There are problems that: under the action of centrifugal force generated by the rotation of the grinding disc, part of the wheat ears move in the direction away from the grinding disc and cannot be in contact with the grinding disc for grinding, so that the wheat ears are not completely ground.

Disclosure of Invention

The invention aims to provide a wheat rice milling device, which solves the problem of incomplete milling caused by movement of wheat ears in a direction away from a milling disc.

In order to achieve the purpose, the basic scheme of the invention is as follows: the wheat rice milling device comprises a frame, wherein a milling barrel is arranged on the frame, a milling rod is rotatably connected to the frame, the lower end of the milling rod extends into the milling barrel, and a milling disc is fixedly connected to the lower end of the milling rod; an air bag, a rotary sieve plate and a sliding plate are fixedly connected in the milling barrel from top to bottom in sequence; a first spring is fixedly connected between the sliding plate and the bottom of the milling barrel; the lower end of the sieve plate is fixedly connected with a support rod, the lower end of the support rod penetrates through the sliding plate and the bottom of the milling barrel and extends out of the milling barrel, the support rod is rotatably connected with the sliding plate, and the support rod is rotatably connected with the bottom of the milling barrel; the air bag is provided with a valve; a first rotating shaft is longitudinally and rotatably connected to the right side of the milling barrel on the rack, a driving gear is fixedly connected to the upper end of the first rotating shaft, and a driven gear meshed with the driving gear is arranged on the milling rod; a belt for transmission is arranged between the lower end of the first rotating shaft and the supporting rod; the lower part of the milling barrel is provided with a left through hole and a right through hole which are parallel and level in height, the left through hole and the right through hole are both positioned below the sliding plate, the position, positioned at the left through hole, of the inner wall of the milling barrel is connected with a left baffle plate for blocking the left through hole in a sliding mode, the position, positioned at the right through hole, of the inner wall of the milling barrel is connected with a right baffle plate for blocking the right through hole in a sliding mode, and second springs are fixedly connected between the lower ends of the left baffle; a discharge plate is fixedly connected to the left through hole, and one end of the discharge plate, which is far away from the milling barrel, is inclined downwards; a blower device is arranged at the right through hole on the frame; the bottom of the milling barrel is provided with an air inlet and an air outlet, an air inlet one-way valve is arranged in the air inlet, an air outlet one-way valve is arranged in the air outlet, the air outlet is fixedly connected with an air outlet pipe, and one end of the air outlet pipe, far away from the milling barrel, is communicated with the air bag.

The working principle of the basic scheme is as follows:

the driving shaft rotates forwards, the driving gear rotates forwards along with the rotating shaft, the driving gear drives the driven gear meshed with the driving gear to rotate backwards, the grinding rod rotates backwards along with the driven gear, and the grinding disc rotates backwards along with the grinding rod. The rotating shaft and the supporting rod are driven by a belt, the rotating directions are consistent, namely the supporting rod rotates forwards, and the sieve plate rotates forwards along with the supporting rod. The sieve plate and the grinding disc rotate reversely to grind the wheat ears on the sieve plate.

After the wheat ears are milled, the caryopses fall off the wheat straws, and the caryopses fall on the sliding plate through the holes on the sieve plate. As the number of caryopses on the slide plate increases, the gravity of the caryopses overcomes the elastic force of the first spring and the slide plate slides downward. In the process that the sliding plate slides downwards, the space between the sliding plate and the bottom of the milling barrel is reduced, the air pressure is increased, and the air is discharged into the air bag through the air outlet pipe. The air bag is inflated and expanded, because the air bag is annular and the outer wall of the air bag is fixed with the inner wall of the grinding barrel, the air bag is expanded inwards, and the ear of wheat on the pushing sieve plate moves towards the direction close to the grinding disc, on one hand, the ear of wheat moving outwards under the action of the grinding disc in the grinding process is pushed back to the lower part of the grinding disc again; on the other hand, because in the process of milling, the glumes continuously drop towards the bottom of the milling barrel, the accumulation height of the wheat ears above the sieve plate is reduced, the distance between the wheat ears and the milling disc is increased, the wheat ears are pushed towards the middle part at the moment, the wheat ears are accumulated in the middle part, and the distance between the wheat ears and the lower end of the milling disc is reduced, so that a better milling effect can be ensured.

In the process that the sliding plate slides downwards, two ends of the sliding plate are abutted to the left baffle and the right baffle, the left baffle and the right baffle are pushed to slide downwards simultaneously, and the left through hole and the right through hole are opened simultaneously. The air blower blows air from the right through hole to the left through hole, the caryopsis on the sliding plate is blown to the left through hole, and when the caryopsis is are blown to the left through hole, the caryopsis slide out along the inclined discharging plate, so that discharging is realized. After the weight on the slide reduces, the slide is reset by the ascending effect of first spring, and left baffle and right baffle also reset by the ascending effect of second spring, block left through-hole and right through-hole again.

The beneficial effect of this basic scheme lies in:

1. the sliding plate slides downwards under the action of gravity of the caryopses, the space between the sliding plate and the bottom of the milling barrel is reduced, the air pressure is increased, the air is discharged to inflate the air bag, the air bag is inflated to expand inwards, and the ear of wheat on the pushing sieve plate moves towards the direction close to the milling disc, so that the ear of wheat moving outwards under the action of the milling disc in the milling process is pushed back to the position below the milling disc again; on the other hand, because in the process of milling, the glumes continuously drop towards the bottom of the milling barrel, the accumulation height of the wheat ears above the sieve plate is reduced, the distance between the wheat ears and the milling disc is increased, the wheat ears are pushed towards the middle part at the moment, the wheat ears are accumulated in the middle part, and the distance between the wheat ears and the lower end of the milling disc is reduced, so that a better milling effect can be ensured.

2. When the glumes on the sliding plate only reach specific weight, the sliding plate can slide downwards and push the left baffle and the right baffle open, when the left baffle and the right baffle are opened, the blowing device is used for realizing one-time discharging, continuous discharging is compared, intermittent discharge of the glumes on the sliding plate is realized, sufficient time is reserved for replacing the packaging bag when the packaging bag is packaged, and the packaging bag is convenient to package.

3. The gliding of the sliding plate can meet two requirements of air inflation and quantitative discharging of the air bag, the structure of the device is simplified, and the equipment cost is reduced.

4. The grinding disc and the sieve plate rotate reversely, and the grinding disc and the sieve plate give opposite force to the wheat ears, so that the wheat ears are torn reversely, the grinding effect on the wheat ears is better, and the grinding speed is higher.

Furthermore, the air blowing device comprises a second rotating shaft which is transversely and rotatably connected to the rack, one end of the second rotating shaft, which is close to the milling barrel, is aligned to the right through hole, and a plurality of fan blades are arranged along the circumferential direction; one end of the second rotating shaft, which is far away from the milling barrel, is fixedly connected with a driven bevel gear, and a driving bevel gear meshed with the driven bevel gear is arranged on the first rotating shaft.

Has the advantages that: when the first rotating shaft rotates, the driving bevel gear is driven to rotate, the driving bevel gear rotates to drive the driven bevel gear meshed with the driving bevel gear to rotate, the second rotating shaft rotates along with the driven bevel gear, and the fan blades rotate along with the second rotating shaft. The fan blades rotate to drive the air to blow from the right through hole to the left through hole, and air blowing is achieved. No extra power source is needed, and the structure of the device is simplified.

Further, the gasbag is the annular, and the lateral wall of gasbag and the bucket inner wall of milling are fixed, and the inside wall lower extreme of gasbag inclines to being close to bucket axis department of milling.

Has the advantages that: on one hand, when the wheat is fed, the wheat ears slide downwards along the inner side wall of the air bag and cannot be accumulated at the top end of the air bag; on the other hand, when the air bag expands, the inner side wall of the air bag forms an inclined plane, and the inner side of the bottom of the air bag forms a certain degree of sharp angle, so that the effect of pushing the wheat ears inwards is better.

Furthermore, the inner wall of the milling barrel is fixedly connected with a limiting plate above the air bag.

Has the advantages that: the limiting plate is arranged to prevent the air bag from expanding upwards, and the air bag can only expand inwards to push the ear of wheat inwards.

Further, the lower surface of the grinding disc is provided with a plurality of grinding ridges.

Has the advantages that: the arrangement of the rolling edges can increase the shearing force between the rolling edges and the wheat ears, and the rolling effect on the wheat ears is better.

Drawings

FIG. 1 is a schematic view of the initial state of the apparatus of the present invention;

FIG. 2 is a schematic view of the apparatus of the present invention in a discharge state;

FIG. 3 is a schematic view of the lower surface of the grinding disc of FIG. 1;

fig. 4 is a sectional view taken along line a-a in fig. 1.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the grinding machine comprises a grinding barrel 1, a grinding rod 2, a grinding disc 3, a support rod 4, a sieve plate 5, a sliding plate 6, a first spring 7, an air bag 8, a left through hole 9, a left baffle plate 10, a discharging plate 11, a right through hole 12, a right baffle plate 13, a second spring 14, a first rotating shaft 15, a driving gear 16, a driven gear 17, a belt 18, a second rotating shaft 19, fan blades 20, a driving bevel gear 21, a driven bevel gear 22, an air outlet pipe 23, a limiting plate 24, a grinding edge 25, a left clamping groove 26, a left clamping block 27, a right clamping groove 28, a right clamping block 29 and a wedge block 30.

As shown in figure 1, the wheat rice milling device comprises a rack, wherein a milling barrel 1 is fixedly connected to the rack, and a limiting plate 24, a fixedly connected airbag 8, a sieve plate 5 and a sliding plate 6 are fixedly connected to the milling barrel 1 from top to bottom in sequence. The limiting plate 24 is annular, the inner side end of the limiting plate 24 is inclined downwards, and the inclined limiting plate 24 has a guiding function when the wheat ears are fed, so that the wheat ears are gathered towards the middle of the milling barrel 1. Gasbag 8 is the annular, and 8 lateral walls of gasbag and 1 inner walls of bucket of milling are fixed, and 8 inside wall lower extremes of gasbag are inboard slope, are equipped with the valve on the gasbag 8. The centre of a circle of the lower end of the sieve plate 5 is fixedly connected with a support rod 4, and the lower end of the support rod 4 penetrates through the sliding plate 6 and the bottom of the milling barrel 1 and extends out of the milling barrel 1. A first spring 7 is fixedly connected between the sliding plate 6 and the bottom of the milling barrel 1.

The left side wall of the milling barrel 1 is provided with a left through hole 9, the right side wall is provided with a right through hole 12, and the left through hole 9 and the right through hole 12 are flush in height and are both positioned below the sliding plate 6. As shown in fig. 4, left clamping grooves 26 are formed in the inner wall of the milling barrel 1 and located on two sides of the left through hole 9, a left clamping block 27 is connected in the left clamping groove 26 in a sliding mode, and a third spring is fixedly connected between the left clamping block 27 and the left end portion of the left clamping groove 26; the inner wall of the milling barrel 1 is provided with right clamping grooves 28 at two sides of the right through hole 12, a right clamping block 29 is connected in the right clamping groove 28 in a sliding mode, and a third spring is fixedly connected between the right clamping block 29 and the right end portion of the right clamping groove 28. The inner side ends of the left clamping block 27 and the right clamping block 29 are respectively provided with a wedge surface, and both ends of the sliding plate 6 are fixedly connected with a wedge block 30 matched with the wedge surfaces. The outer side ends of the left clamping block 27 and the right clamping block 29 are fixedly connected with magnetic blocks, the outer side ends of the left clamping groove 26 and the right clamping groove 28 are fixedly connected with electromagnets, and the electromagnets attract the magnetic blocks after being electrified.

The 9 fixedly connected with play flitch 11 of left through-hole, play flitch 11 right-hand member is fixed on the outer wall of bucket 1 of milling, goes out 11 left ends downward sloping of flitch. And a blower device is arranged on the frame at the position of the right through hole 12. The inner wall of the milling barrel 1 is slidably connected with a left baffle 10 at the left through hole 9, and the size of the left baffle 10 is larger than that of the left through hole 9; the inner wall of the milling barrel 1 is positioned at the right through hole 12 and is connected with a right baffle 13 in a sliding way, and the size of the right baffle 13 is larger than that of the right through hole 12. And a second spring 14 is fixedly connected between the lower ends of the left baffle plate 10 and the right baffle plate 13 and the bottom of the milling barrel 1.

The bottom of the milling barrel 1 is provided with an air inlet and an air outlet, an air inlet one-way valve is arranged in the air inlet, when the air pressure between the sliding plate 6 and the bottom of the milling barrel 1 is lower than the external air pressure, the air inlet one-way valve is opened, and the external air is supplemented into the milling barrel 1; an air outlet one-way valve is arranged in the air outlet, and when the air pressure between the sliding plate 6 and the bottom of the milling barrel 1 is higher than the external air pressure, the air outlet one-way valve is opened, and the air is discharged. An air outlet pipe 23 is fixedly connected to the air outlet, the upper end of the air outlet pipe 23 penetrates through the side wall of the milling barrel 1 and the outer side wall of the air bag 8, and the upper end of the air outlet pipe 23 is communicated with the air bag 8.

The upper part of the milling barrel 1 on the frame is rotatably connected with a milling rod 2, the lower end of the milling rod 2 extends into the milling barrel 1, and the lower end of the milling rod 2 is fixedly connected with a milling disc 3. As shown in fig. 3, six rolling ribs 25 are provided on the lower surface of the grinding disc 3, the rolling ribs 25 are spiral, one end of each rolling rib 25 is fixed at the center of the grinding disc 3, and the other end of each rolling rib 25 is fixedly connected to the outer periphery of the grinding disc 3. The rolling edges 25 are arranged, so that the contact area between the rolling disc 3 and the wheat ears can be increased, and the grinding effect on the wheat ears is better.

The frame is provided with a first rotating shaft 15 which is rotatably connected with the right side of the milling barrel 1, the frame is also fixedly connected with a motor, and the output shaft of the motor is fixedly connected with the upper end of the first rotating shaft 15. The upper end of the first rotating shaft 15 is fixedly connected with a driving gear 16, and the upper end of the grinding rod 2 is fixedly connected with a driven gear 17 meshed with the driving gear 16. A belt 18 for transmission is sleeved between the lower end of the first rotating shaft 15 and the supporting rod 4. The air blowing device comprises a driving bevel gear 21 fixedly connected to the first rotating shaft 15, a second rotating shaft 19 is transversely rotatably connected to the rack, the second rotating shaft 19 is flush with the right through hole 12, a driven bevel gear 22 meshed with the driving bevel gear 21 is fixedly connected to the right end of the second rotating shaft 19, and fan blades 20 are uniformly distributed at the left end of the second rotating shaft 19 along the circumferential direction.

During specific work, the wheat ears are placed on the sieve plate 5, the motor is started, the motor drives the rotating shaft to rotate forwards, the driving gear 16 rotates forwards along with the rotating shaft, the driving gear 16 drives the driven gear 17 meshed with the driving gear to rotate backwards, the grinding rod 2 rotates backwards along with the driven gear 17, and the grinding disc 3 rotates backwards along with the grinding rod 2. The rotating shaft and the supporting rod 4 are driven by the belt 18, the rotating directions are consistent, namely the supporting rod 4 rotates forwards, and the sieve plate 5 rotates forwards along with the supporting rod 4. The sieve plate 5 and the grinding disc 3 rotate reversely to grind the wheat ears on the sieve plate 5.

After the wheat ears are milled, the caryopses fall off the wheat straws, and the caryopses fall on the sliding plate 6 through the holes on the sieve plate 5. As more and more grains are present on the slide 6, the weight of the grains overcomes the elastic force of the first spring 7 and the slide 6 slides downwards. In the process that the sliding plate 6 slides downwards, the space between the sliding plate 6 and the bottom of the milling barrel 1 is reduced, the air pressure is increased, and the air is discharged into the air bag 8 through the air outlet pipe 23. The air bag 8 is inflated and expanded, the outer side wall of the air bag 8 is fixed with the inner wall of the grinding barrel 1, the grinding barrel 1 limits the outward expansion of the air bag 8, meanwhile, the limiting plate 24 limits the upward expansion of the air bag 8, the air bag 8 expands inward, and the ear of wheat on the pushing sieve plate 5 moves towards the direction close to the grinding disc 3, so that on one hand, the ear of wheat moving outwards under the action of the grinding disc 3 in the grinding process is pushed back to the lower part of the grinding disc 3 again; on the other hand, because in the process of milling, the caryopsis continuously drop to the bottom of the milling barrel 1, the accumulation height of the wheat ears above the sieve plate 5 is reduced, the distance between the wheat ears and the milling disc 3 is increased, the wheat ears are pushed to the middle part at the moment, the wheat ears are accumulated in the middle part, and the distance between the wheat ears and the lower end of the milling disc 3 is reduced, so that a better milling effect can be ensured.

When the sliding plate 6 slides downwards, the wedge block 30 slides downwards along with the sliding plate 6 and abuts against the wedge surface, the sliding plate 6 continues to slide downwards to push the left clamping block 27 to slide leftwards into the left clamping groove 26, and the right clamping block 29 slides rightwards into the right clamping groove 28. After the sliding plate 6 passes through the left clamping groove 26 and the right clamping groove 28, the left clamping block 27 and the right clamping block 29 slide towards the direction close to the central axis of the milling barrel 1 under the reset action of the third spring, and the lower ends of the left clamping block 27 and the right clamping block 29 abut against the upper end of the sliding plate 6, so that the sliding plate 6 cannot slide upwards. Meanwhile, the two ends of the sliding plate 6 respectively abut against the upper ends of the left baffle 10 and the right baffle 13, the left baffle 10 and the right baffle 13 are pushed to slide downwards simultaneously, and the left through hole 9 and the right through hole 12 are opened simultaneously. At this time, as shown in fig. 2, when the first rotating shaft 15 rotates, the driving bevel gear 21 is driven to rotate, the driving bevel gear 21 rotates to drive the driven bevel gear 22 engaged therewith to rotate, the second rotating shaft 19 rotates with the driven bevel gear 22, and the fan blades 20 rotate with the second rotating shaft 19. The fan blades 20 rotate to drive wind to blow leftwards, the caryopsis on the sliding plate 6 is blown leftwards to the through hole 9, when the caryopsis is blown to the left through hole 9, the caryopsis slides out along the inclined discharging plate 11, and discharging is achieved.

And the residual quantity of the materials on the sliding plate 6 is observed, when the materials on the sliding plate 6 are all blown out, the electromagnet is started, the electromagnet attracts the left clamping block 27 to slide leftwards, and the right clamping block 29 slides rightwards, so that the sliding plate 6 is not blocked to slide upwards any more. At this time, the caryopsis on the sliding plate 6 is discharged, the sliding plate 6 loses downward pressure, the sliding plate 6 is reset by the upward action of the first spring 7, and the left baffle plate 10 and the right baffle plate 13 are also reset by the upward action of the second spring 14 to block the left through hole 9 and the right through hole 12 again. The space between the sliding plate 6 and the bottom of the milling barrel 1 is enlarged to be in a negative pressure state, and external air is supplemented into the milling barrel 1 through the air inlet. After the rice milling is finished, a valve on the air bag 8 is opened, so that the air in the air bag 8 is discharged.

The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. The wheat rice milling device comprises a frame, wherein a milling barrel is arranged on the frame, a milling rod is rotatably connected to the frame, the lower end of the milling rod extends into the milling barrel, and a milling disc is fixedly connected to the lower end of the milling rod; the method is characterized in that: an air bag, a rotary sieve plate and a sliding plate are fixedly connected in the milling barrel from top to bottom in sequence; a first spring is fixedly connected between the sliding plate and the bottom of the milling barrel; the lower end of the sieve plate is fixedly connected with a support rod, the lower end of the support rod penetrates through the sliding plate and the bottom of the milling barrel and extends out of the milling barrel, the support rod is rotatably connected with the sliding plate, and the support rod is rotatably connected with the bottom of the milling barrel; the air bag is provided with a valve;

a first rotating shaft is longitudinally and rotatably connected to the right side of the milling barrel on the rack, a driving gear is fixedly connected to the upper end of the first rotating shaft, and a driven gear meshed with the driving gear is arranged on the milling rod; a belt for transmission is arranged between the lower end of the first rotating shaft and the supporting rod;

the lower part of the milling barrel is provided with a left through hole and a right through hole which are parallel and level in height, the left through hole and the right through hole are both positioned below the sliding plate, the position, positioned at the left through hole, of the inner wall of the milling barrel is connected with a left baffle plate for blocking the left through hole in a sliding mode, the position, positioned at the right through hole, of the inner wall of the milling barrel is connected with a right baffle plate for blocking the right through hole in a sliding mode, and second springs are fixedly connected between the lower ends of the left baffle; a discharge plate is fixedly connected to the left through hole, and one end of the discharge plate, which is far away from the milling barrel, is inclined downwards; a blower device is arranged at the right through hole on the frame;

the bottom of the milling barrel is provided with an air inlet and an air outlet, an air inlet one-way valve is arranged in the air inlet, an air outlet one-way valve is arranged in the air outlet, the air outlet is fixedly connected with an air outlet pipe, and the upper end of the air outlet pipe penetrates through the side wall of the milling barrel and the outer side wall of the air bag and then is communicated with the air bag.

2. The wheat rice milling apparatus as claimed in claim 1, wherein: the air blowing device comprises a second rotating shaft which is transversely and rotatably connected to the rack, one end of the second rotating shaft, which is close to the milling barrel, is aligned to the right through hole, and a plurality of fan blades are arranged along the circumferential direction; one end of the second rotating shaft, which is far away from the milling barrel, is fixedly connected with a driven bevel gear, and a driving bevel gear meshed with the driven bevel gear is arranged on the first rotating shaft.

3. The wheat rice milling apparatus as claimed in claim 1, wherein: the gasbag is the annular, and the lateral wall and the bucket inner wall of milling of gasbag are fixed, and the inside wall lower extreme of gasbag is to being close to the slope of bucket axis department of milling.

4. A wheat rice milling apparatus as claimed in claim 3 wherein: the inner wall of the milling barrel is positioned above the air bag and is fixedly connected with a limiting plate.

5. The wheat rice milling apparatus as claimed in claim 1, wherein: the lower surface of the grinding disc is provided with a plurality of grinding ridges.