WO2021051436A1 - Automatic grain milling apparatus - Google Patents

Abstract

Disclosed is an automatic processing device, specifically an automatic grain milling apparatus comprising a machine body (16). A grinding cavity (2) and a milling cavity (19) are respectively provided on an upper portion and a lower portion of the machine body (16). A rotary tube (6) is mounted at the center of the top portion of the machine body (16). The rotary tube (6) is driven to rotate by a drive mechanism provided on an outer side of the machine body (16). Multiple grinding blades (1) are mounted on the rotary tube (6) at a lower portion of the grinding cavity (2). A two-shaft extension motor (22) is supported and fixed by means of a support assembly in the milling cavity (19). An upper milling seat (25) is mounted and fixed on an upper output shaft of the two-shaft extension motor (22). A lower milling seat (21) is mounted and fixed on a lower output shaft of the two-shaft extension motor (22). A milling recess (11) forming a clearance fit with the upper milling seat (25) is provided at the top of the milling cavity (19). The grinding cavity (2) and the milling recess (11) communicate with each other by means of a material discharge hole (7). A material filter plate (20) matching the lower milling seat (21) is further provided in the milling cavity (19). Pre-grinding, secondary milling, and air blowing are performed, thereby achieving a good grain milling effect, improving the efficiency, and facilitating promotion.

Description

Automatic grain milling device Technical field

The invention relates to an automatic processing equipment, in particular to an automatic grain milling device.

Background technique

"Cereals" cover a wide range, including rice, wheat, millet, soybeans and other miscellaneous grains, mainly plant seeds and fruits.

During grain processing, milling operations are required. The existing conventional milling device does not have a pre-crushing function, the grinding structure is simple and traditional, and the effect of milling grains is poor and the efficiency is low.

Therefore, in view of the above situation, it is urgent to develop an automatic grain milling device to overcome the shortcomings in current practical applications.

Summary of the invention

The purpose of the embodiments of the present invention is to provide an automatic grain milling device to solve the above-mentioned problems in the background art.

To achieve the foregoing objective, the embodiments of the present invention provide the following technical solutions:

An automatic grain milling device includes a machine body. The upper and lower parts of the machine body are respectively provided with a crushing cavity and a milling cavity. The top and middle of the machine body are rotatably installed with a rotating tube, and the rotating tube is driven by a drive provided on the outside of the machine body. The mechanism is driven to rotate. A plurality of pulverizing knives are installed on the rotating tube at the lower part of the pulverizing cavity; a dual-axis extension motor is supported and fixed in the grinding cavity through a supporting component, and the upper output shaft of the dual-axis extension motor is installed and fixed. There is an upper grinding seat, and a lower grinding seat is installed and fixed on the lower output shaft of the double-shaft extension motor; the top of the grinding cavity is provided with a grinding groove that is in clearance fit with the upper grinding seat, the grinding cavity and the grinding groove They are communicated with each other through a discharging hole; the grinding cavity is also provided with a filter material plate matched with the lower grinding seat.

As a further solution of the present invention: the upper part of the grinding cavity and the grinding cavity are both cylindrical structures, and the lower part of the grinding cavity and the grinding cavity are both conical structures.

As a further solution of the present invention: the size of the crushing knife is gradually reduced from top to bottom that matches with the conical part of the lower part of the crushing cavity, and the crushing knife is set horizontally, and the side view of the crushing knife is in an "X" shape. .

As a further solution of the present invention: the upper grinding seat and the lower grinding seat are both circular in plan view, and the diameters of the upper grinding seat and the lower grinding seat in plan view are smaller than the inner diameter of the grinding cavity, and the upper grinding seat is arcuately protruding from the middle. In the structure, the lower grinding seat is a downward arc-shaped protruding structure in the middle; the lower end surface of the upper grinding seat is located on the lower side of the lower end surface of the grinding tank.

As a further solution of the present invention: the filter plate has a downward arc protruding structure in the middle, and the lower end surface of the lower grinding seat conflicts with the middle of the filter plate, and the vertical distance between the outer ring of the lower grinding seat and the filter plate It is 10cm.

As a further solution of the present invention: the support assembly includes a support frame and a motor fixing seat, the motor fixing seat is arranged in the middle of the grinding cavity, the biaxial extension motor is fixed in the motor fixing seat, and the support frame is cross-shaped Structure, the support frame is fixed on the outside of the motor fixing seat, and the outer end of the support frame is fixed on the cavity wall of the grinding cavity.

As a further solution of the present invention: the side of the machine body is also provided with an air outlet that communicates with the upper part of the grinding cavity, a fan is installed and fixed on the outside of the machine body, the air inlet of the fan is connected with the air outlet, and the air outlet of the fan A three-way pipe is connected to the upper part, one branch of the three-way pipe is connected to the rotating tube through a rotating connector, and the lower end of the rotating tube is open; the other branch of the three-way tube extends to the middle of the lower side of the filter plate .

As a further solution of the present invention, a filter net for covering the air outlet is provided in the grinding cavity, and the filter net has a hemispherical structure.

As a further solution of the present invention: the outlet of the other branch end of the three-way pipe is vertically upward, the distance between the outlet of the other branch end of the three-way pipe and the filter plate is 8 cm, and the other branch end of the three-way pipe A one-way valve is also installed at the outlet of the department.

Compared with the prior art, the beneficial effects of the embodiments of the present invention are:

1) The grain is first added to the crushing cavity, and the rotating tube is driven to rotate by the driving mechanism, and the grain can be crushed by setting a crushing knife matched with the crushing cavity;

2) The grain enters the milling tank through the feeding hole, and the upper grinding seat is driven to rotate through the work of the biaxial extension motor. The upper grinding seat and the grinding trough are arranged in clearance, which has a primary grinding effect on the grain; the grain falls into the filter On the feed plate, the lower grinding seat and the filter plate are arranged in cooperation, and the lower grinding seat is driven to rotate through the work of the biaxial extension motor, which has a secondary grinding effect on the grain; the processed grain can be filtered from the filter plate to the grinding Cavity bottom

3) Through the operation of the fan, a branch of the three-way pipe can blow air into the rotating tube. The air discharged from the lower end of the rotating tube is not only beneficial to the tossing of the grain in the crushing cavity, improving the crushing effect of the crushing knife, but also conducive to the grain from the feeding hole Fall into the grinding tank to improve the grinding efficiency; the other branch of the three-way pipe can blow air into the middle of the lower side of the filter plate, which is not only conducive to the overturning of the grains on the upper side of the filter plate, and improves the grinding efficiency, but also conducive to the removal of grains. The outer ring of the filter plate filters out; the air outlet facilitates the discharge of air from the machine body. The structure of the filter screen has a better blocking effect on the grain, and does not affect the discharge of air.

Description of the drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic bottom view of the structure of the grinding tank part in the embodiment of the present invention.

Fig. 3 is a schematic diagram of a partial structure of a crushing knife in an embodiment of the present invention.

Fig. 4 is a schematic diagram of the structure of the filter screen in the embodiment of the present invention.

In the picture: 1-crushing knife, 2-crushing cavity, 3-feeding port, 4-driven pulley, 5-rotating connector, 6-rotating tube, 7-cutting hole, 8-driving pulley, 9 -Transmission belt, 10-drive motor, 11-grinding trough, 12-tee pipe, 13-fan, 14-outlet, 15-filter, 16-body, 17-support leg, 18-discharge port, 19-grinding chamber, 20-filter plate, 21-lower grinding seat, 22-double shaft extension motor, 23-support frame, 24-motor fixing seat, 25-upper grinding seat.

detailed description

The technical solution of this patent will be described in further detail below in conjunction with specific implementations.

The embodiments of the present patent are described in detail below. Examples of the embodiments are shown in the accompanying drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the patent, and cannot be understood as a limitation to the patent.

In the description of this patent, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the patent and simplifying the description, rather than indicating or implying The device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of this patent.

In the description of this patent, it should be noted that the terms "installation", "connection", "connection" and "setting" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed connection, setting , It can also be detachably connected and arranged, or integrally connected and arranged. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in this patent can be understood according to specific circumstances.

Example 1

Referring to Figures 1-3, in an embodiment of the present invention, an automatic grain milling device includes a machine body 16. The upper and lower parts of the machine body 16 are respectively provided with a grinding cavity 2 and a grinding cavity 19, and the grinding cavity 2 The upper part of the grinding chamber 19 and the grinding chamber 19 are both cylindrical structures, and the lower part of the grinding chamber 2 and the grinding chamber 19 are both cone-shaped structures, which is conducive to the falling of grains; the top of the body 16 is rotatably installed with a rotating tube 6 in the middle. The rotating tube 6 is driven to rotate by a driving mechanism provided on the outside of the machine body 16. The lower end of the rotating tube 6 is located at the lower part of the crushing chamber 2. The lower part of the crushing chamber 2 is equipped with a plurality of crushing knives 1 on the rotating tube 6. 1 is the size reduction from top to bottom that matches with the lower tapered part of the crushing cavity 2, and the crushing knife 1 is horizontally set, as shown in Figure 3, the side view of the crushing knife 1 is "X" Shape, the grain can be crushed by rotating the crushing knife 1.

In the grinding chamber 19, a biaxial extension motor 22 is supported and fixed by a supporting assembly. The upper output shaft of the biaxial extension motor 22 is installed and fixed with an upper grinding seat 25, and the double shaft extension motor 22 is installed on the lower output shaft. A lower grinding seat 21 is fixed. The upper grinding seat 25 and the lower grinding seat 21 are both circular in plan view, and the upper grinding seat 25 and the lower grinding seat 21 have a plan view diameter smaller than the inner diameter of the grinding cavity 19, and the upper grinding seat 25 The lower grinding seat 21 is a middle downward arc protruding structure; the top of the grinding cavity 19 is provided with a grinding groove 11 that is in clearance fit with the upper grinding seat 25, and the grinding cavity 2 and The grinding troughs 11 are communicated with each other through a circular discharging hole 7. The grains in the grinding cavity 2 can fall into the grinding trough 11 through the discharging hole 7. The lower end surface of the upper grinding seat 25 is located in the grinding trough. The underside of the lower end surface of 11 allows grains to be ground in the grinding tank 11; the grinding cavity 19 is also provided with a filter plate 20 matched with the lower grinding seat 21, and the filter plate 20 is the middle part A downward arc-shaped protruding structure, and the lower end surface of the lower grinding seat 21 conflicts with the middle of the filter plate 20, and the vertical distance between the outer ring of the lower grinding seat 21 and the filter plate 20 is 10 cm.

Further, the driving mechanism includes a driven pulley 4, a driving pulley 8, a transmission belt 9 and a driving motor 10. The driven pulley 4 is fixedly installed on the rotating tube 6, and the driven pulley 4 is connected to the driving belt 9 through the transmission belt 9. The driving pulley 8 is connected. The driving pulley 8 is installed and fixed on the output shaft of the driving motor 10, and the driving motor 10 is fixed on the outer side wall of the body 16, and the rotating tube 6 can be driven to rotate by the operation of the driving motor 10.

Further, the support assembly includes a support frame 23 and a motor fixing seat 24, the motor fixing seat 24 is arranged in the middle of the grinding chamber 19, the double shaft extension motor 22 is fixed in the motor fixing seat 24, and the support frame 23 It is a cross-shaped structure, the support frame 23 is fixed on the outside of the motor fixing base 24, the outer end of the support frame 23 is fixed on the cavity wall of the grinding chamber 19, and the support frame 23 and the motor fixing base 24 cooperate with the double shaft extension motor 22 Provide stable support.

Further, the top of the machine body 16 is provided with a feed port 3 communicating with the crushing cavity 2 for adding grains; the bottom of the machine body 16 is provided with a feed port 18 communicating with the grinding cavity 19 for The discharge of grain; the bottom of the body 16 is also provided with a plurality of supporting legs 17 through which the device can be stably supported.

Example 2

Referring to Figures 1 and 4, the difference between this embodiment and Embodiment 1 is:

In this embodiment, the side of the machine body 16 is also provided with an air outlet 14 communicating with the upper part of the grinding cavity 19, and the grinding cavity 19 is provided with a filter 15 for covering the air outlet 14. The filter 15 It is a hemispherical structure, and the aperture and material of the filter 15 need to adopt the existing technology. A fan 13 is installed and fixed on the outside of the body 16, the air inlet of the fan 13 is connected with the air outlet 14, and the air outlet of the fan 13 is connected There is a three-way tube 12, a branch of the three-way tube 12 is connected to the rotating tube 6 through a rotating connecting piece 5. The rotating connecting piece 5 is used to realize the rotational communication between the three-way tube 12 and the rotating tube 6. The rotating tube 6 The lower end of the opening can discharge air from the lower end of the rotating tube 6, which not only facilitates the tossing of the grain in the crushing chamber 2 and enhances the crushing effect of the crushing knife 1, but also facilitates the fall of the grain from the feeding hole 7 into the grinding trough 11, which improves the grinding Efficiency; the other branch of the three-way tube 12 extends to the middle of the lower side of the filter plate 20, and the other branch end outlet of the three-way tube 12 is vertically upward, and the other branch end outlet of the three-way tube 12 The distance from the filter plate 20 is 8 cm, and a one-way valve is installed at the outlet of the other branch end of the three-way pipe 12 to prevent grains from falling into the three-way pipe 12.

In the automatic grain milling device, the specific material settings of the upper grinding seat 25, the lower grinding seat 21 and the filter plate 20 can be selected according to the prior art; by setting the gap size between the upper grinding seat 25 and the grinding tank 11 and By setting the aperture of the filter plate 20, the particle size of the mill powder can be adjusted. In practical application, the present invention has the following outstanding advantages:

1) The grains are first added to the crushing chamber 2, and the rotating tube 6 is driven to rotate by the driving mechanism, and the grains can be crushed by setting the crushing knife 1 matched with the crushing chamber 2;

2) The grain enters the grinding tank 11 through the feeding hole 7, and the upper grinding seat 25 is driven to rotate through the work of the biaxial extension motor 22. The upper grinding seat 25 is arranged in clearance fit with the grinding tank 11, and has a primary grinding of the grain. Effect; the grain falls on the filter plate 20, the lower grinding seat 21 and the filter plate 20 are arranged in cooperation, and the lower grinding seat 21 is driven to rotate through the work of the biaxial extension motor 22, which has a secondary grinding effect on the grain; The grains can be filtered out from the filter plate 20 to the bottom of the grinding chamber 19;

3) Through the operation of the fan 13, a branch of the three-way tube 12 can blow air into the rotating tube 6. The air discharged from the lower end of the rotating tube 6 is not only beneficial to the tossing of the grain in the crushing chamber 2 and improving the crushing effect of the crushing knife 1, but also It is beneficial for grains to fall into the grinding tank 11 from the feeding hole 7 to improve the grinding efficiency; the other branch of the three-way pipe 12 can blow air into the middle of the lower side of the filter plate 20, which is beneficial to the grains on the upper side of the filter plate 20. The tossing of the filter improves the grinding efficiency and facilitates the filtering of grains from the outer ring of the filter plate 20; the air outlet 14 facilitates the discharge of air from the body 16. The structure of the filter 15 has a better blocking effect on the grains. And does not affect the discharge of air.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made. These should also be regarded as the protection of the present invention. The scope, these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims (9)

An automatic grain milling device, comprising a machine body (16), characterized in that: The upper and lower parts of the body (16) are respectively provided with a crushing cavity (2) and a grinding cavity (19); A rotating tube (6) is rotatably installed at the top of the body (16), and the rotating tube (6) is driven to rotate by a driving mechanism provided on the outside of the body (16). The lower part of the crushing chamber (2) is attached to the rotating tube. (6) There are multiple crushing knives (1) installed on it; A biaxial extension motor (22) is supported and fixed in the grinding cavity (19) through a supporting component. The upper output shaft of the biaxial extension motor (22) is installed and fixed with an upper grinding seat (25), and the biaxial extension motor A lower grinding seat (21) is installed and fixed on the lower output shaft of (22); The top of the grinding cavity (19) is provided with a grinding groove (11) that is in clearance fit with the upper grinding seat (25), and a discharging hole (11) is passed between the grinding cavity (2) and the grinding groove (11). 7) Connect; The grinding cavity (19) is also provided with a filter plate (20) matched with the lower grinding seat (21). The automatic grain milling device according to claim 1, wherein the upper part of the grinding cavity (2) and the grinding cavity (19) are both cylindrical structures, and the grinding cavity (2) and the grinding cavity (19) The lower part of) is a tapered structure. The automatic grain milling device according to claim 2, characterized in that, the crushing knife (1) is arranged in descending order from top to bottom in size matching with the lower cone part of the crushing cavity (2), and The pulverizing knife (1) is arranged horizontally, and the side view of the pulverizing knife (1) is in an "X" shape. The automatic grain milling device according to claim 3, wherein the upper grinding seat (25) and the lower grinding seat (21) are both circular in plan view, and the upper grinding seat (25) and the lower grinding seat The top-view diameter of (21) is smaller than the inner diameter of the grinding cavity (19), the upper grinding seat (25) is a middle upward arc-shaped protruding structure, and the lower grinding seat (21) is a middle downward arc-shaped protruding structure; the upper grinding seat The lower end surface of (25) is located on the lower side of the lower end surface of the grinding tank (11). The automatic grain milling device according to claim 4, characterized in that the filter plate (20) has a downward arc protruding structure in the middle, and the lower end surface of the lower grinding seat (21) and the filter plate (20) The middle part conflicts, and the vertical distance between the outer ring of the lower grinding seat (21) and the filter plate (20) is 10 cm. The automatic grain milling device according to any one of claims 1 to 5, wherein the supporting assembly includes a supporting frame (23) and a motor fixing seat (24), and the motor fixing seat (24) is arranged at In the middle of the grinding chamber (19), the biaxial extension motor (22) is fixed in the motor fixing base (24), the support frame (23) is a cross-shaped structure, and the support frame (23) is fixed to the motor fixing base (24) ), the outer end of the support frame (23) is fixed on the cavity wall of the grinding cavity (19). The automatic grain milling device according to claim 6, characterized in that the side of the machine body (16) is also provided with an air outlet (14) communicating with the upper part of the milling cavity (19), and the machine body (16) A fan (13) is installed and fixed on the outside of the fan (13), the air inlet of the fan (13) is connected with the air outlet (14), and the air outlet of the fan (13) is connected with a three-way pipe (12), the three-way pipe (12) ) Is connected to the rotating tube (6) through the rotating connector (5), and the lower end of the rotating tube (6) is open; the other branch of the three-way tube (12) extends to the filter plate (20) ) Of the lower side middle. The automatic grain milling device according to claim 7, characterized in that the milling cavity (19) is provided with a filter screen (15) for covering the air outlet (14), the filter screen (15) It is a hemispherical structure. The automatic grain milling device according to claim 8, wherein the outlet of the other branch end of the three-way pipe (12) is vertically upward, and the outlet of the other branch end of the three-way pipe (12) is connected to The distance of the filter plate (20) is 8cm, and a one-way valve is also installed at the outlet of the other branch end of the three-way pipe (12).

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