WO2023168660A1

WO2023168660A1 - Grinding and bran discharging mechanism and grain grinding apparatus

Info

Publication number: WO2023168660A1
Application number: PCT/CN2022/080182
Authority: WO
Inventors: 许铁成
Original assignee: 许铁成
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2023-09-14

Abstract

The present invention relates to the field of object discharging. Disclosed are a grinding and bran discharging mechanism and a grain grinding apparatus. The grinding and bran discharging mechanism comprises a housing, a middle wall, and a sand barrel; the middle wall has a first face facing the sand barrel and a second face facing away from the sand barrel; the first face and the sand barrel work in conjunction to form a grinding cavity; the sand barrel can move with respect to the grinding cavity, so as to grind grains; the second face and the housing work in conjunction to form a bran discharging cavity; a plurality of through grooves communicating the grinding cavity and the bran discharging cavity are formed on the middle wall; the plurality of through grooves are arranged in an array on the middle wall, and the through grooves are obliquely arranged along the direction of a descending trajectory of the grains in the grinding cavity. According to the grinding and bran discharging mechanism and the grain grinding apparatus provided in the present application, the plurality of through grooves arranged in an array are formed on the middle wall, meanwhile, the through grooves are obliquely arranged along the direction of the descending trajectory of the grains in the grinding cavity, so that materials produced by grinding the grains in the grinding cavity can enter the bran discharging cavity faster via the through grooves, and the bran collection efficiency of the bran discharging cavity is also better.

Description

A grinding and chaff removal mechanism and grain grinding device

Technical field

The present invention relates to the technical field of object discharge, and in particular to a grinding and chaff removal mechanism and a grain grinding device.

Background technique

With the rapid development of productivity in modern society, grains such as rice and wheat have been harvested year after year in agricultural production. In the process of converting these grains into food that can be cooked and eaten, a grain grinding device is required to grind these grains. During production and processing, grinding substances will be produced during the grinding process of grains. The grain grinding device needs to discharge the substances generated after grinding grains out of its own device. In the existing technology, the grain grinding device has low discharge efficiency and ineffective effect on discharging the substances produced by grain grinding out of the device, which has become an important factor hindering the improvement of production efficiency.

technical problem

The object of the present invention is to provide a grinding and chaff removal mechanism and a grain grinding device, aiming to solve the problem in the prior art that the grain grinding device has low discharge efficiency and ineffectiveness in discharging the substances produced by grinding grains out of its own device. Well, it has become an important factor hindering the improvement of production efficiency.

Technical solutions

The present invention is implemented in this way. Embodiments of the present invention provide a grinding chaff removal mechanism and a grain grinding device, which include a housing, an intermediate wall and a sand bucket; the intermediate wall has a first surface facing the sand bucket; The second side faces away from the sand bucket. The first side cooperates with the sand bucket to form a grinding cavity. The sand bucket can move relative to the grinding cavity to grind grains. , the second surface and the shell cooperate to form a chaff discharge cavity; a plurality of through grooves connecting the grinding cavity and the chaff discharge cavity are provided on the intermediate wall, and a plurality of the A through-groove array is arranged on the intermediate wall, and the through-grooves are arranged obliquely along the direction of the falling trajectory of the grains in the grinding chamber. The through-grooves are used for grinding the grains in the grinding chamber. The material produced by grinding enters the chaff discharge cavity; at least one chaff discharge hole is provided at the bottom end of the housing, and the chaff discharge hole is used to collect the matter produced by grinding the grain contained in the chaff discharge cavity. Discharge the chaff from the cavity.

In one embodiment, the cross section of the intermediate wall on any horizontal plane is arc-shaped, and the intermediate wall further includes a first wall part and a second wall part, the first wall part and the second wall part The surfaces of the two parts facing the sand barrel extend in a curved surface respectively, and intersect to form a grinding surface, and the grinding surface is used to grind grains.

In one embodiment, the curvature of the first wall is greater than the curvature of the second wall; the movement of the sand bucket relative to the grinding cavity can cause grains to circulate in the grinding cavity, When the grain circulates in the grinding cavity and passes through the intermediate wall, the grain circulates from the first wall to the second wall.

In one embodiment, a plurality of sand grains are provided on the surface of the grinding surface. The sand grains are arranged in an orderly manner on the surface of the grinding surface. The sand grains are used to grind grains.

In one embodiment, the through grooves are evenly spaced in the vertical direction on the intermediate wall, and the distance between two adjacent through grooves is 0.5cm-5cm.

In one embodiment, on the intermediate wall, the through grooves extending in the same direction are continuously arranged.

In one embodiment, the angle of the inclined arrangement of the through groove is between 30° and 60° with respect to the horizontal plane.

In one embodiment, the housing includes an inlet structure, an outlet structure and a chaff discharge pipe, and the inlet structure and the outlet structure are respectively fixedly connected to one end of the chaff discharge pipe.

In one embodiment, at least one rotating plate is provided at the bottom end of the housing, and the rotating plate can freely rotate to control the closing of the chaff discharge hole.

According to a second aspect of the embodiments of the present disclosure, there is provided a grain grinding device including the grinding and chaff removal mechanism described in any one of the embodiments of the first aspect.

beneficial effects

Compared with the prior art, the grinding chaff removal mechanism and grain grinding device provided above are provided with a plurality of through grooves arranged in an array on the intermediate wall, and at the same time, the through grooves are along the direction of the falling trajectory of the grain in the grinding chamber. The tilted arrangement enables the material produced by grinding the grains in the grinding cavity to enter the chaff discharge cavity from the through groove faster and more efficiently. The chaff discharge cavity has a better chaff collection efficiency, so the chaff discharge holes collect the grains. The material produced by grinding can be discharged from the chaff discharge cavity faster and more efficiently.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description These are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

in:

Figure 1 is a schematic view I of a partially exploded structure of a grinding and chaff removal mechanism provided by an embodiment of the present invention;

Figure 2 is a schematic diagram II of the partially exploded structure of a grinding and chaff removal mechanism provided by an embodiment of the present invention;

Figure 3 is a schematic diagram of the exploded structure of a grinding and chaff removal mechanism provided by an embodiment of the present invention;

Figure 4 is an enlarged structural schematic diagram of position A in Figure 3;

Figure 5 is a schematic diagram provided by another embodiment;

Figure 6 is a schematic structural diagram of a grain grinding device provided by an embodiment of the present invention;

Figure 7 is a top view of a grinding and chaff removal mechanism provided on a grain grinding device according to an embodiment of the present invention.

Reference signs: 1-intermediate wall, 2-shell, 3-sand barrel, 11-through slot, 12-first side, 13-second side, 14-first wall, 15-second wall, 21 - chaff discharge pipe, 22 - inlet structure, 23 - outlet structure, 211 - buckle structure, 212 - fixed structure, 213 - rotating plate, 214 - chaff discharge hole, 221 - grooved curved block, 231 - groove, 2121-Trapezoidal surface block.

Embodiments of the invention

In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention and are not intended to limit the present invention.

In the drawings of this embodiment, the same or similar numbers correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "left", "right", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. Construction and operation, therefore the terms describing the positional relationships in the drawings are only for illustrative purposes and cannot be understood as limitations of the patent. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

The implementation of the present invention is described in detail below with reference to specific embodiments.

Please refer to Figure 1. Figure 1 shows a schematic view I of a partially exploded structure of a grinding and chaff removal mechanism provided by an embodiment of the present invention. Referring also to Figures 2 and 7, a grinding and chaff removal mechanism provided by this embodiment is shown. The mechanism includes a shell 2, an intermediate wall 1 and a sand bucket 3; the intermediate wall 1 has a first side 12 facing the sand bucket 3 and a second side 13 facing away from the sand bucket 3. The first side 12 and the sand bucket 3 are formed in cooperation with each other. Grinding cavity, the sand barrel 3 can move relative to the grinding cavity to realize grinding of grains, the second surface 13 and the shell 2 cooperate to form a chaff discharge cavity; multiple connections are provided on the intermediate wall 1 The through grooves 11 of the grinding chamber and the chaff discharge chamber are arranged in an array on the middle wall 1, and the through grooves 11 are arranged obliquely along the direction of the falling trajectory of the grain in the grinding chamber. The through grooves 11 are The material produced by grinding the grains in the grinding cavity enters the chaff discharge cavity; at least one chaff discharge hole 214 is provided at the bottom end of the housing 2, and the chaff discharge hole 214 is used to discharge the grain contained in the chaff discharge cavity. The material produced by grinding is discharged from the chaff discharge chamber.

It should be noted that several sand grains are provided on the surface of the sand barrel 3. The sand grains are made of diamond sand barrel material and can be used for grinding grains. Therefore, when the sand barrel 3 can move relative to the grinding cavity, the sand grains The barrel can grind grains; in the embodiment of the present invention, the intermediate wall 1 has a first side 12 facing the sand barrel 3 and a second side 13 facing away from the sand barrel 3. The first side 12 cooperates with the sand barrel 3. A grinding cavity is formed, and the second surface 13 and the shell 2 cooperate to form a chaff discharge cavity. Through the arrangement of the intermediate wall 1, the grinding chaff discharge mechanism provided by the present invention can have a grinding cavity and a chaff discharge cavity at the same time. The materials produced by grinding grains can enter the chaff discharge chamber through the grinding cavity, and then be discharged to the outside from the chaff discharge cavity. Through layered discharge, the materials produced by grinding grains can be discharged efficiently and quickly. to the outside.

It can be understood that the through groove 11 provided on the intermediate wall 1 connects the grinding cavity and the chaff discharge cavity, which enables the material generated by grinding the grain in the grinding cavity to enter the chaff discharge cavity, and in the shell The bottom end of 2 is provided with at least one chaff discharge hole 214. The chaff discharge hole 214 can discharge the material produced by grinding the grain contained in the chaff discharge cavity out of the chaff discharge cavity; wherein, an array of through grooves 11 is arranged on the middle wall 1 On the other hand, the material produced by grinding the grain in the grinding cavity enters the chaff discharge cavity from the through groove 11 at a fast and efficient speed, and the chaff collection efficiency of the chaff discharge cavity is also good. Therefore, the chaff discharge hole 214 removes the grain produced by grinding. The material is discharged from the chaff cavity at a fast speed and with good efficiency; and then is placed on the middle wall 1 obliquely along the direction of the grain's descent trajectory in the grinding chamber through the slot 11, and the material produced by grinding the grain in the grinding chamber is discharged from the grinding cavity. The channel 11 enters the chaff discharge cavity faster and more efficiently, and the chaff discharge cavity has a better chaff collection efficiency. Therefore, the chaff discharge hole 214 discharges the material produced by grinding the grains out of the chaff discharge cavity faster. More efficient.

The grinding chaff removal mechanism provided above is provided with a plurality of through grooves 11 arranged in an array on the intermediate wall 1. At the same time, the through grooves 11 are arranged obliquely along the direction of the falling trajectory of the grain in the grinding chamber, so that the grinding chaff can be removed within the grinding chamber. The material produced by the grinding of the grain enters the chaff discharge cavity from the through groove 11 at a faster and more efficient speed. The chaff collection efficiency of the chaff discharge cavity is also better, so the chaff discharge hole 214 discharges the material produced by the grinding of the grain. The chaff discharge cavity is faster and more efficient.

As an embodiment of the present invention, please refer to Figure 5. The cross-section of the intermediate wall 1 on any horizontal plane is arc-shaped. The intermediate wall 1 also includes a first wall portion 14 and a second wall portion 15. The first wall portion 14 The surfaces of the second wall portion 15 and the second wall portion 15 extending toward the sand bucket 3 are curved surfaces respectively, and intersect to form a grinding surface, which is used to grind grains.

It should be noted that the cross section of the intermediate wall 1 on any horizontal plane is arc-shaped, so it can be understood that the appearance of the intermediate wall 1 is a curved surface; the intermediate wall 1 also includes a first wall portion 14 and a second wall portion 15. The first wall 14 and the second wall 15 extend toward the surface of the sand barrel 3 in a curved surface respectively, and intersect to form a grinding surface; further, there is only one intersection point where the two curved surfaces intersect, and the two intersecting curved surfaces can achieve The curved surfaces are tangent and form a grinding surface, where the grinding surface can grind the grain.

As an embodiment of the present invention, the curvature of the first wall 14 is greater than the curvature of the second wall 15; the movement of the sand bucket 3 relative to the grinding cavity can promote the grain to circulate in the grinding cavity. When the grain is being ground, When circulating in the cavity and passing through the middle wall 1 , the grains circulate from the first wall 14 to the second wall 15 .

It should be noted that when the grain circulates through the intermediate wall 1 in the grinding cavity, the grain circulates from the first wall 14 to the second wall 15, and the curvature of the first wall 14 is greater than the curvature of the second wall 15; Furthermore, when the grain circulates through the middle wall 1 in the grinding chamber, it travels from the wall with a larger curvature to the wall with a smaller curvature among the two walls. Through the effect of multiple tests, when the grain circulates in the grinding chamber, When passing through the middle wall, from the first wall portion 14 with a large curvature to the second wall portion 15 with a small curvature, the grain has a better grinding effect on the surface to be ground; specifically, for example, in the case of rice In the processing, the yield of rice processing can be improved.

As an embodiment of the present invention, a plurality of sand grains are provided on the surface of the grinding surface. The sand grains are arranged in an orderly manner on the surface of the grinding surface. The sand grains are used to grind grains. It can be understood that the sand grains provided on the surface of the grinding surface can grind the grains in the grinding cavity. Through the orderly arrangement of the sand grains on the surface of the grinding surface, the grinding surface can grind the grains. The effect is better and better, which further makes the effect of grinding grains in the grinding chamber better and better; specifically, for example, in the processing of rice, the yield of rice processing can be improved.

Preferably, the sand grains are made of diamond sand barrel material, which has good wear resistance, good cutting performance and excellent thermal conductivity.

As an embodiment of the present invention, the through grooves 11 are evenly spaced in the vertical direction on the intermediate wall 1, and the distance between two adjacent through grooves 11 is 0.5cm-5cm.

It should be noted that by arranging the through grooves 11 at even intervals in the vertical direction on the intermediate wall 1, the material produced by grinding the grains in the grinding cavity can enter the chaff discharge chamber through the through grooves 11 faster and faster. The efficiency is faster. It should be further explained that by using the spacing between two adjacent through grooves 11 to be 0.5cm-5cm, the material produced by grinding the grains in the grinding cavity can enter the chaff discharge cavity through the through grooves 11 Speed and efficiency are better and better.

Preferably, the through-groove spacing is 2cm. By adopting the through-groove spacing to be 2cm, the speed and efficiency of the material produced by grinding the grains in the grinding cavity and entering the chaff discharge cavity through the through-groove 11 can be further improved. good.

As an embodiment of the present invention, on the intermediate wall 1, the through grooves 11 extending in the same direction are continuously arranged.

Specifically, on the intermediate wall 1, the through grooves 11 extending in the same direction are continuously arranged; by using the through grooves 11 arranged in this way, the substances produced by grinding the grains in the grinding cavity can enter through the through grooves 11 The speed and efficiency of the chaff discharge cavity are better and better. At the same time, the manufacturing process of this channel 11 is also relatively simple and convenient, which facilitates production operations and can reduce costs.

As an embodiment of the present invention, the angle at which the through groove 11 is inclined is between 30° and 60° relative to the horizontal plane. By slanting the through groove 11 at an angle between 30° and 60° relative to the horizontal plane, the speed at which the grains in the grinding cavity are ground and enters the chaff discharge chamber through the through groove 11 can be greatly increased.

As an embodiment of the present invention, please refer to Figures 3 and 4. The housing 2 includes an inlet structure 22, an outlet structure 23 and a chaff discharge pipe 21. The inlet structure 22 and the outlet structure 23 are respectively fixedly connected to one end of the chaff discharge pipe 21. .

It should be noted that the inlet structure 22 is provided with a grooved curved surface block 221, and an end adjacent to the chaff discharge pipe 21 and the inlet structure 22 is provided with a buckling structure 211. The buckling structure 211 and the grooved curved surface block 221 are fixed by buckling. Connection; the fixed connection realized by the buckle structure 211 and the groove curved block 221 can make one end of the chaff discharge pipe 21 and the inlet structure 22 realize a fixed connection. This connection structure is stable and at the same time, it is also easier to install and disassemble. It is easy to realize the simple and convenient operation of installation, connection and disassembly of one end of the chaff discharge pipe 21 and the inlet structure 22, saving time and effort.

Continuing, a fixed structure 212 is provided at one end adjacent to the chaff discharge pipe 21 and the outlet structure 23. The fixed structure 212 is fixedly connected to the outlet structure 23; specifically, the fixed structure 212 includes a trapezoidal curved block 2121, and the outlet structure 23 is provided with a groove 231. , the trapezoidal curved block 2121 and the groove 231 are fixedly connected by embedding; therefore, through the embedded fixed connection realized by the trapezoidal curved block 2121 in the fixed structure 212 and the groove 231 in the outlet structure 23, the chaff discharge pipe 21 can be Realize a fixed connection with the outlet structure 23; by adopting this connection method, the structure is stable and at the same time, it is easier to install and disassemble. It can realize the installation, connection and disassembly process of one end of the chaff pipe 21 and the outlet structure 23, making the operation simple and convenient, saving time and effort. .

As another embodiment of the present invention, at least one rotating plate 213 is provided at the bottom end of the housing 2. The rotating plate 213 can rotate freely to control the closing of the chaff discharge hole 214.

It can be understood that two chaff discharge holes 214 are provided at the bottom end of the housing 2, and two rotating plates 213 are also provided at the bottom end of the corresponding housing 2. The rotating plates 213 are arranged at the edges of the chaff discharge holes 214. The rotating plates 213 can rotate freely while controlling the closed state of the chaff discharge hole 214; when the rotating plate 213 rotates to cover the chaff discharge hole 214, the chaff discharge hole 214 is closed, and the chaff discharge cavity does not have the ability to discharge the material in its own cavity out of the chaff discharge cavity. Ability outside the body; when the rotating plate 213 rotates to a position that does not cover the chaff discharging hole 214, the chaff discharging hole 214 has the function of discharging chaff and can discharge the material in the chaff discharging cavity out of the chaff discharging cavity; through the setting of the rotating plate 213 , which can achieve precise control and operation of the bran removal status of the bran removal cavity.

An embodiment of the present invention also provides a grain grinding device, please refer to FIG. 6 , including the grinding and chaff removal mechanism described in any one of the above embodiments. By arranging a plurality of through grooves 11 arranged in an array on the intermediate wall 1, and at the same time, the through grooves 11 are arranged obliquely along the direction of the grain's descending trajectory in the grinding chamber, so that the material produced by grinding the grain in the grinding chamber can be discharged from the through grooves 11. The groove 11 enters the chaff discharge cavity faster and more efficiently, and the chaff collection efficiency of the chaff discharge cavity is also better. Therefore, the chaff discharge hole 214 discharges the material produced by grinding the grains out of the chaff discharge cavity faster and more efficiently. better.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims

A grinding chaff removal mechanism is characterized in that it includes a shell, an intermediate wall and a sand bucket; the intermediate wall has a first side facing the sand bucket and a second side facing away from the sand bucket, and the The first surface cooperates with the sand bucket to form a grinding cavity. The sand bucket can move relative to the grinding cavity to grind grains. The second surface cooperates with the housing to form a grinding cavity. A chaff discharge cavity; a plurality of through grooves connecting the grinding cavity and the chaff discharge cavity are provided on the intermediate wall, and a plurality of through groove arrays are arranged on the intermediate wall, and the The through groove is arranged obliquely along the direction of the falling trajectory of the grain in the grinding chamber, and the through groove is used to allow the material produced by grinding the grain in the grinding chamber to enter the chaff discharge chamber; in The bottom end of the shell is provided with at least one chaff discharge hole, and the chaff discharge hole is used to discharge the material produced by grinding the grain contained in the chaff discharge cavity out of the chaff discharge cavity.
The grinding chaff removal mechanism of claim 1, wherein the intermediate wall has an arc-shaped cross section on any horizontal plane, and the intermediate wall further includes a first wall part and a second wall part, The first wall portion and the second wall portion respectively extend toward the surface of the sand barrel as curved surfaces, and intersect to form a grinding surface, and the grinding surface is used to grind grains.
The grinding chaff removal mechanism according to claim 2, wherein the curvature of the first wall is greater than the curvature of the second wall; the movement of the sand bucket relative to the grinding cavity can promote The grain circulates in the grinding cavity. When the grain circulates in the grinding cavity and passes through the intermediate wall, the grain circulates from the first wall to the second wall.
The grinding chaff removal mechanism according to claim 3, wherein a plurality of sand grains are provided on the surface of the grinding surface, and the sand grains are arranged in an orderly manner on the surface of the grinding surface, and the sand grains are To achieve grain grinding.
The grinding chaff removal mechanism according to claim 1, wherein the through grooves are evenly spaced on the intermediate wall along the vertical direction, and the distance between two adjacent through grooves is 0.5cm-5cm. .
The grinding chaff removal mechanism according to claim 1, characterized in that, on the intermediate wall, the through grooves extending in the same direction are continuously arranged.
The grinding chaff removal mechanism according to claim 1, characterized in that the angle of the inclined groove is between 30° and 60° relative to the horizontal plane.
The grinding chaff discharge mechanism according to claim 1, wherein the housing includes an inlet structure, an outlet structure and a chaff discharge pipe, and the inlet structure and the outlet structure are respectively fixed to one end of the chaff discharge pipe. connect.
The grinding chaff removal mechanism according to claim 1, wherein at least one rotating plate is provided at the bottom end of the housing, and the rotating plate can freely rotate to control the closing of the chaff removing hole.
A grain grinding device, characterized by including the grinding and chaff removal mechanism according to any one of claims 1 to 9.