CN115069361A

CN115069361A - Grinding type spice smashing device

Info

Publication number: CN115069361A
Application number: CN202210347004.1A
Authority: CN
Inventors: 付敏; 高泽飞; 陈效庆
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-09-20

Abstract

A grinding type spice smashing device belongs to the technical field of spice processing. The spice smashing device solves the problems of uneven powder granularity, raw material waste, unsatisfactory productivity and the like of the conventional spice smashing device. The innovation points are as follows: the motor provides power for the transmission shaft through the V-belt transmission device, drives the grinding roller and the rhombic cutter which are arranged on the transmission shaft to rotate at a high speed between the grinding walls, and generates the actions of friction, cutting, tearing, impact and the like with the spices in the gap between the grinding walls and the grinding roller to grind the spices into powder; collecting finished product powder through a negative pressure region generated by the grading blade, screening the two-phase flow of the mixed material and the air flow by using the grading blade rotating at a high speed, then discharging a fine material flow from a discharge port, and sending a coarse material back to the crushing chamber for continuous grinding and crushing; the spice can be crushed and graded at one time by the circulation work. The smashing device can obviously improve the smashing efficiency and the powder uniformity of spices, and simultaneously reduces the waste of raw materials.

Description

Grinding type spice smashing device

Technical Field

The invention relates to a spice smashing device, in particular to a grinding type spice smashing device, and belongs to the technical field of spice processing.

Background

The spicy spice mainly refers to dried spicy powder or essential oil of aromatic plants used in food seasoning, and the spicy powder or the essential oil has high content of essential oil, has strong flavor and fragrance generation effects, can promote appetite and improve food flavor, and also has the functions of sterilization and corrosion prevention. The spice powder is crushed into spice powder which is used for seasoning fast food, and the spice powder has aromatic flavor and is easy to absorb. Most of the existing spice smashing devices have the problems of nonuniform spice powder granularity, waste of raw materials, unsatisfactory productivity and the like. Patent CN109590084A discloses a spice grinder, which finishes the work of grinding spices by a spiral reamer and a grinding blade mounted on a transmission shaft, and has the problems of easy wear of the cutter and insufficient uniformity of spice powder particles; and the mixed material grading treatment mode of the screen is adopted, so that the phenomenon of screen blockage is easy to occur. Therefore, a smashing device which can meet the requirements of even spice powder particles and high productivity and can easily collect the finished spice powder is required to be designed to complete the smashing work of spices.

Disclosure of Invention

The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or critical elements of the present invention, nor is it intended to limit the scope of the present invention. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is discussed later.

In view of this, in order to solve the problems of uneven grain size of spice powder, raw material waste and unsatisfactory productivity existing in the conventional spice grinder during grinding operation, a grinding-type spice grinding device is further provided. After the spices enter the crushing device from the feeding port, the spices are crushed into powder through the actions of friction, cutting, tearing, impact and the like among the rough crushing wall in the crushing chamber, the grinding roller and the rhombic knives, so that the uniformity of the spices is improved. Meanwhile, finished product spice powder is sucked into the grading impeller to be graded by utilizing the negative pressure principle, so that the waste of spice raw materials is reduced, and the quality of the finished product spice powder can be improved.

The scheme is as follows: a grinding type spice smashing device comprises a discharge port, a grading transmission shaft, a feeding port, a grading chamber, a smashing chamber, a lower shell, a storage chamber, a fan I, a grading transmission device, an upper shell, a smashing transmission shaft, a fan II, a rack, a smashing transmission device and a smashing motor, wherein the smashing chamber consists of a material homogenizing mechanism, a grinding roller, a smashing wall and a rhombic cutter; the spice smashing device has five states during working:

in the first state: when the spices enter the feeding port, the crushing motor starts to drive the crushing transmission device to drive the crushing transmission shaft to rotate;

in the second state: the spices enter the first layer of crushing area and then reach the homogenizing mechanism, the homogenizing mechanism is driven by the crushing transmission shaft to rotate at a high speed to generate centrifugal force, the spices are conveyed to the gap of the grinding roller under the centrifugal action, the spices are cut by a diamond-shaped knife arranged at the gap of the grinding roller and then slide down between the grinding roller and the rough crushing wall, and the spices are ground and crushed in the gap; when the set granularity is reached, the mixed material falls to a second-layer crushing area from a gap between the crushing wall and the bottom end of the grinding roller, and the crushing step of the first-layer crushing area is continued; when the set granularity is reached, the mixed material falls from the second-layer crushing area to the third-layer crushing area, the crushing step of the first-layer crushing area is continuously repeated, and after the granularity requirement is reached, the mixed material is collected in a storage chamber at the bottom of the lower shell to finish the crushing work of the spice crushing device;

the third state: when the spice is crushed and enters the storage chamber, the fan motor I and the fan motor II drive the fans I and II arranged on the two sides of the bottom of the rack to start working, and spice powder is blown to the central area of the storage chamber;

the fourth state: when the spice is fed into the storage chamber, the grading motor drives the grading transmission device to drive the grading transmission shaft to start rotating, at the moment, the grading impeller is driven by the grading transmission shaft to form a negative pressure region through the grading blades rotating at high speed, and spice powder is sucked into the grading chamber through the top of the storage chamber and the drainage tube in the center of the crushing chamber; the mixed material flow is uniformly dispersed by a guide cone which is arranged at the bottom end of a grading impeller and rotates at a high speed, and then the mixed material flow flows to a grading blade which rotates at a high speed;

in the fifth state: when the mixed material flows through the grading blades, the coarse materials are thrown back to the crushing chamber for continuous crushing by utilizing the difference of centrifugal force between the coarse materials and the fine materials, the fine materials enter a discharge chamber arranged at the upper part of the upper shell along with the airflow through the grading impeller, and are discharged from a discharge port for collecting the finished product spice powder;

the frame is provided with an upper shell and a lower shell in a butt joint mode from top to bottom, the upper portion of the upper shell is provided with a discharging chamber, the lower portion of the upper shell is provided with a grading chamber, the upper portion of the lower shell is provided with a crushing chamber, and the lower portion of the lower shell is provided with a storage chamber;

a grading motor is arranged at the upper part of the rack and connected with a grading transmission device, and the grading transmission device is provided with a belt II, a small belt pulley II and a large belt pulley II;

a grading transmission shaft is arranged in the grading chamber, the upper end of the grading transmission shaft penetrates through the discharge chamber to be connected with a grading transmission device, and the lower end of the grading transmission shaft is connected with a grading impeller;

the grading impeller is provided with a grading blade, a grading impeller upper plate, a grading impeller lower plate and a guide cone, the upper end and the lower end of the grading blade are respectively connected with the grading impeller upper plate and the grading impeller lower plate, and the guide cone is arranged at the bottom end of the grading impeller lower plate;

a discharge hole is arranged in the discharge chamber and is communicated with the outer side of the upper shell;

the bottom of the rack is provided with a crushing motor, a fan motor I and a fan motor II, the crushing motor is connected with a crushing transmission device through being arranged on a speed reducer, and the fan motor I and the fan motor II are respectively connected with a fan I and a fan II;

a crushing transmission shaft is arranged in the crushing chamber, a first-layer crushing area, a second-layer crushing area and a third-layer crushing area are respectively arranged at the upper part, the middle part and the lower part of the crushing transmission shaft, a material homogenizing mechanism, a grinding roller, a diamond-shaped cutter and a rough crushing wall are arranged in the first-layer crushing area, the bottom end of the crushing transmission shaft penetrates through the material storage chamber to be connected with a crushing transmission device, and the crushing transmission device is provided with a belt, a small belt pulley and a large belt pulley;

the grinding roller is provided with a material homogenizing mechanism, and the material homogenizing mechanism is positioned right above the grinding roller;

the grinding roller is provided with a diamond-shaped cutter, and the diamond-shaped cutter is positioned in the gap of the grinding roller;

the bottom end of the crushing chamber is provided with a storage chamber, the top of the storage chamber and the right center of the crushing chamber are provided with a drainage tube, and the drainage tube is communicated with the grading chamber and the storage chamber from top to bottom;

fan I and fan II have been arranged to the storage compartment, just fan I and fan II axisymmetric install the both sides at the storage compartment.

Further: the upper shell is of a straight notch type boss structure and comprises a crushing chamber, a storage chamber and a drainage tube, the bottom end of the crushing chamber is communicated with the storage chamber, and the top end of the storage chamber is communicated with the grading chamber through the drainage tube; so set up, improve space utilization.

Further: the crushing transmission device is connected with the crushing transmission shaft by adopting V-belt transmission; so set up, improve the stability of smashing the transmission shaft.

Further: the grinding chamber adopts a grinding type grinding structure and comprises a material homogenizing mechanism, a grinding roller, a diamond-shaped cutter and a grinding wall, wherein the surfaces of the grinding roller and the grinding wall are both designed into concave-convex shapes, and the diamond-shaped cutter is arranged in a gap of the grinding roller; by such arrangement, the uniformity of the spice powder can be improved.

Further: the grading blades of the grading chamber are designed to be light and thin in quantity; so set up, can make the powerful centrifugal force that hierarchical blade produced separate coarse fodder and fine material, improved the finished product quality of spices powder.

Further: the fan I and the fan II are axially and symmetrically arranged at the bottom of the lower shell; by the arrangement, the flowability of the spice powder is increased, and the spice powder is convenient to collect.

The above technical features and technical solutions of the present invention can be combined arbitrarily without conflict in structure.

Beneficial results

The invention provides a grinding type spice smashing device which has the following beneficial effects.

The invention 1 utilizes the characteristic that hard brittle materials are suitable for grinding and crushing and the sliding cutting action of the edge of a diamond-shaped knife to pre-crush the spice, thereby improving the uniformity of the spice powder;

2 the crushing chamber of the invention is composed of two crushing cylinders, six groups of grinding rollers and a crushing area formed by crushing walls, and the spice is crushed layer by utilizing the clearance between the grinding rollers and the rough inner wall, so that the effective crushing area is increased, and the crushing efficiency is improved;

3 the invention utilizes the principle that the light and thin blades can form a negative pressure area at the lower part of the grading impeller through high-speed rotation, and the finished product of the spice powder is sucked into the grading impeller to be graded, compared with the traditional screen grading mode, the invention can avoid the phenomena of screen blockage and raw material waste; and under the strong centrifugal force generated by the classifying blades rotating at high speed, the two-phase flow of the mixed material and the airflow is separated, so that the quality of the finished product of the spice powder is greatly improved;

4, the storage chamber of the invention forms a convection zone through the high-speed airflow of the two fans, increases the fluidity of the finished product of the spice powder, is convenient for drainage and grading treatment of the spice powder, can play a role of cooling the crushing chamber, and ensures that the spice powder cannot deteriorate due to temperature rise;

the invention utilizes the space separation principle to reasonably distribute the working area, and reduces the occupied area of the crushing device on the premise of ensuring the crushing requirement;

6 the crushing transmission device drives the crushing transmission shaft to rotate under the driving of the crushing motor, and can play a role in overload safety protection by utilizing the stability and the buffering property of V-belt transmission and the slipping of the V-belt, so that the safety performance of the crushing device is improved; 7 the invention integrates the crushing and grading treatment into a powder preparation mode, and can improve the production capacity.

Drawings

FIG. 1 is a schematic cross-sectional view of the overall structure of a grinding-type spice mill according to the present invention;

FIG. 2 is a schematic side view of the overall structure of a grinding-type spice mill according to the present invention;

FIG. 3 is a schematic view of the overall structure of a grading device in a grinding-type spice pulverizing apparatus according to the present invention;

FIG. 4 is a schematic view of the overall structure of a step transmission device in the grinding-type spice mill according to the present invention;

FIG. 5 is a schematic view of the overall structure of a grinding transmission device in the grinding-type spice grinding device according to the present invention;

FIG. 6 is a schematic view of the overall structure of a grinding roller of the grinding-type spice mill according to the present invention;

FIG. 7 is a schematic view of the overall structure of a fan II in the grinding-type spice mill according to the present invention;

the corresponding relation between the part names and the figure numbers in the figures is as follows:

1-a discharge chamber; 2-a discharge hole; 3-grading a transmission shaft; 4-grading impeller; 5-feeding port; 6-a grading chamber; 7-a drainage tube; 8-a crushing chamber; 9-a lower shell; 10-a material storage chamber; 11-a fan I; 12-a fan motor I; 13-a step transmission; 14-a step motor; 15-an upper shell; 16-crushing the transmission shaft; 17-a material homogenizing mechanism; 18-a disintegrating wall; 19-a first layer crushing zone; 20-a second layer crushing area; 21-a third layer crushing area; 22-fan II; 23-a frame; 24-a reducer; 25-a crushing transmission; 26-a grinding motor; 27-grading impeller upper plate; 28-graded blades; 29-hex bolts; 30-grading the lower plate of the impeller; 31-a flow guide cone; 32-belt II; 33-small belt pulley II; 34-big belt pulley II; 35-belt I; 36-small pulley I; 37-big pulley I; 38-grinding rolls; 39-diamond knife; 40-grinding roll gap; 41-fan motor II;

Detailed Description

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

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.

Example (b): referring to fig. 1-7, the grinding type spice grinding device of the embodiment includes a discharge port 2, a grading transmission shaft 3, a feeding port 5, a grading chamber 6, a grinding chamber 8, a lower shell 9, a storage chamber 10, a fan I11, a grading transmission device 13, an upper shell 15, a grinding transmission shaft 16, a fan II22, a frame 23, a grinding transmission device 25, and a grinding motor 26, wherein the grinding chamber 8 is composed of a material homogenizing mechanism 17, a grinding roller 38, a grinding wall 18, and a diamond-shaped knife 39, the grading chamber 6 is composed of a grading blade 28, a diversion cone 31, a grading impeller upper plate 27, and a grading impeller lower plate 30, the grinding transmission device 25 is composed of a belt I35, a small belt pulley I36, and a large belt pulley I37, and the storage chamber 10 is composed of a drainage tube 7, a fan I11, and a fan II 22; when the spices enter the feeding opening 5, the crushing motor 26 starts to drive the crushing transmission device 25 to drive the crushing transmission shaft 16 to rotate; the spices enter the first layer of crushing area 19 and then reach the homogenizing mechanism 17, at the moment, the homogenizing mechanism 17 is driven by the crushing transmission shaft 16 to rotate at a high speed to generate centrifugal force, the spices are conveyed to the grinding roller gap 40 under the centrifugal action, the spices are cut by a diamond-shaped knife 39 arranged at the grinding roller gap 40 and then slide down to a position between the grinding roller 38 and the rough crushing wall 18, and the spices are ground and crushed in the gap; when the set granularity is reached, the mixed material falls to the second-layer crushing area 20 from the gap between the crushing wall 18 and the bottom end of the grinding roller 38, and the crushing step of the first-layer crushing area 19 is continued; when the set granularity is reached, the mixed material falls from the second-layer crushing area 20 to the third-layer crushing area 21, the crushing step of the first-layer crushing area 19 is continuously repeated, and after the granularity requirement is reached, the mixed material is collected in the storage chamber 10 at the bottom of the lower shell 9, so that the crushing work of the spice crushing device is completed; when the spice is crushed and enters the storage chamber 10, the fan motor I12 and the fan motor II41 drive the fan I11 and the fan II22 which are arranged at the two sides of the bottom of the rack 23 to start working, and spice powder is blown to the central area of the storage chamber 10; when the spice is fed into the storage chamber 10, the grading motor 14 drives the grading transmission device 13 to drive the grading transmission shaft 3 to start rotating, at the moment, the grading impeller 4 is driven by the grading transmission shaft 3 to form a negative pressure area through the grading blades 28 rotating at high speed, and spice powder is sucked into the grading chamber 6 through the top of the storage chamber 10 and the drainage tube 7 in the center of the crushing chamber 8; the mixed material flow is uniformly dispersed by a guide cone 31 which is arranged at the bottom end of the grading impeller 4 and rotates at a high speed, and then the mixed material flow flows to the grading blades 28 which rotate at a high speed; when the mixed material flows through the grading blades 28, the coarse material is thrown back to the crushing chamber 8 for continuous crushing by utilizing the difference of centrifugal force between the coarse material and the fine material, the fine material enters the discharging chamber 1 arranged at the upper part of the upper shell 15 through the grading impeller 4 along with the air flow, and is discharged from the discharging port 2 for collecting finished product spice powder;

the frame 23 is provided with an upper shell 15 and a lower shell 9 in a butt joint mode from top to bottom, the upper portion of the upper shell 15 is provided with a discharging chamber 1, the lower portion of the upper shell 15 is provided with a grading chamber 6, the upper portion of the lower shell 9 is provided with a crushing chamber 8, and the lower portion of the lower shell 9 is provided with a storage chamber 10;

a grading motor 14 is arranged at the upper part of the frame 23, the grading motor 14 is connected with a grading transmission device 13, and the grading transmission device 13 is provided with a belt II32, a small belt pulley II33 and a large belt pulley II 34; a grading transmission shaft 3 is arranged in the grading chamber 6, the upper end of the grading transmission shaft 3 penetrates through the discharging chamber 1 to be connected with a grading transmission device 13, and the lower end of the grading transmission shaft 3 and the grading impeller 4 are positioned through a common key; the classifying impeller 4 is provided with classifying blades 28, an upper classifying impeller plate 27, a lower classifying impeller plate 30 and a guide cone 31, the upper and lower ends of the classifying blades 28 are respectively connected with the upper classifying impeller plate 27 and the lower classifying impeller plate 30, and the lower classifying impeller plate 30 is connected with the guide cone 31 through a hexagon bolt 29;

a discharge port 2 is arranged in the discharge chamber 1, and the discharge port 2 is welded on the outer side of the upper shell 15;

the bottom of the frame 23 is provided with a crushing motor 26, a fan motor I12 and a fan motor II41, the crushing motor 26 is connected with a speed reducer 24, the speed reducer 24 is connected with a crushing transmission device 25 through a common key, and the fan motor I12 and the fan motor II41 are respectively connected with a fan I11 and a fan II 22; a crushing transmission shaft 16 is arranged in the crushing chamber 8, the upper part, the middle part and the lower part of the crushing transmission shaft 16 are respectively positioned in a first-layer crushing area 19, a second-layer crushing area 20 and a third-layer crushing area 21 through common keys, the first-layer crushing area 19 is provided with a material homogenizing mechanism 17, a grinding roller 38, a diamond-shaped knife 39 and a coarse crushing wall 18, the bottom end of the crushing transmission shaft 16 penetrates through the material storage chamber 10 and is positioned with a crushing transmission device 25 through common keys, and the crushing transmission device 25 is provided with a belt I35, a small belt pulley I36 and a large belt pulley I37;

the grinding roller 38 is provided with a material homogenizing mechanism 17, and the material homogenizing mechanism 17 is positioned right above the grinding roller 38; the grinding roller 38 is provided with a diamond-shaped knife 39, and the diamond-shaped knife 39 is positioned in a grinding roller notch 40; a material storage chamber 10 is arranged at the bottom end of the crushing chamber 8, a drainage tube 7 is arranged at the top of the material storage chamber 10 and the right center of the crushing chamber 8, and the drainage tube 7 is communicated with the grading chamber 6 and the material storage chamber 10 from top to bottom;

the storage chamber 10 is provided with a fan I11 and a fan II22, and the fan I11 and the fan II22 are arranged on two sides of the storage chamber 10 in an axisymmetrical manner.

Although the embodiments of the present invention have been described above, the contents thereof are merely embodiments adopted to facilitate understanding of the technical aspects of the present invention, and are not intended to limit the present invention. It will be apparent to persons skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a spice reducing mechanism of abrasive type which characterized in that: comprises a discharge port (2), a grading transmission shaft (3), a feeding port (5), a grading chamber (6), a crushing chamber (8), a lower shell (9), a storage chamber (10), a fan I (11), a grading transmission device (13), an upper shell (15), a crushing transmission shaft (16), a fan II (22), a frame (23), a crushing transmission device (25) and a crushing motor (26), the crushing chamber (8) consists of a material homogenizing mechanism (17), a grinding roller (38), a crushing wall (18) and a diamond-shaped knife (39), the grading chamber (6) consists of grading blades (28), a guide cone (31), a grading impeller upper plate (27) and a grading impeller lower plate (30), the crushing transmission device (25) consists of a belt I (35), a small belt pulley I (36) and a large belt pulley I (37), and the storage chamber (10) consists of a drainage tube (7), a fan I (11) and a fan II (22); the spice smashing device has five states during working:

in the first state: when spices enter the feeding port (5), the crushing motor (26) starts to drive the crushing transmission device (25) to drive the crushing transmission shaft (16) to rotate;

in the second state: the spices enter a first-layer crushing area (19) and then reach a homogenizing mechanism (17), the homogenizing mechanism (17) rotates at a high speed under the driving of a crushing transmission shaft (16) to generate centrifugal force, the spices are conveyed to a grinding roller notch (40) under the centrifugal action, cut by a diamond-shaped knife (39) arranged at the grinding roller notch (40), slide down to a position between a grinding roller (38) and a rough crushing wall (18), and are ground and crushed in the gap; when the set granularity is reached, the mixed material falls to a second-layer crushing area (20) from a gap between the crushing wall (18) and the bottom end of the grinding roller (38), and the crushing step of a first-layer crushing area (19) is continued; when the set granularity is reached, the mixed material falls from the second-layer crushing area (20) to the third-layer crushing area (21), the crushing step of the first-layer crushing area (19) is continuously repeated, and after the granularity requirement is reached, the mixed material is collected in a storage chamber (10) at the bottom of the lower shell (9), so that the crushing work of the spice crushing device is completed;

the third state: when the spices finish the crushing work and enter the storage chamber (10), the fan I (11) and the fan II (22) which are arranged on the two sides of the bottom of the rack (23) are driven by the fan motor I (12) and the fan motor II (41) to start working, and the spice powder is blown to the central area of the storage chamber (10);

a fourth state: when the spice is fed into the storage chamber (10), the grading motor (14) drives the grading transmission device (13) to drive the grading transmission shaft (3) to start rotating, at the moment, the grading impeller (4) is driven by the grading transmission shaft (3) to form a negative pressure area through the grading blades (28) rotating at high speed, and spice powder is sucked into the grading chamber (6) through the top of the storage chamber (10) and the drainage tube (7) in the center of the crushing chamber (8); a flow guide cone (31) which is arranged at the bottom end of a grading impeller (4) and rotates at a high speed firstly disperses the mixed flow uniformly, and then the mixed flow flows to a grading blade (28) which rotates at a high speed;

in the fifth state: when the mixed material flows through the grading blades (28), the coarse materials are thrown back to the crushing chamber (8) for continuous crushing by utilizing the difference of centrifugal force of the coarse materials and the fine materials, and the fine materials enter the discharging chamber (1) arranged at the upper part of the upper shell (15) along with the air flow through the grading impeller (4) and are discharged from the discharging port (2) for collecting the finished spice powder;

the machine frame (23) is provided with an upper shell (15) and a lower shell (9) in a butt joint mode from top to bottom, the upper portion of the upper shell (15) is provided with a discharging chamber (1), the lower portion of the upper shell is provided with a grading chamber (6), the upper portion of the lower shell (9) is provided with a crushing chamber (8), and the lower portion of the lower shell is provided with a storage chamber (10);

a grading motor (14) is installed on the upper portion of the rack (23), the grading motor (14) is connected with a grading transmission device (13), and the grading transmission device (13) is provided with a belt II (32), a small belt pulley II (33) and a large belt pulley II (34);

a grading transmission shaft (3) is arranged in the grading chamber (6), the upper end of the grading transmission shaft (3) penetrates through the discharging chamber (1) to be connected with a grading transmission device (13), and the lower end of the grading transmission shaft (3) is connected with a grading impeller (4);

the grading impeller (4) is provided with grading blades (28), a grading impeller upper plate (27), a grading impeller lower plate (30) and a guide cone (31), the upper end and the lower end of each grading blade (28) are respectively connected with the grading impeller upper plate (27) and the grading impeller lower plate (30), and the guide cone (31) is arranged at the bottom end of the grading impeller lower plate (30);

a discharge hole (2) is arranged in the discharge chamber (1), and the discharge hole (2) is communicated with the outer side of the upper shell (15);

a crushing motor (26), a fan motor I (12) and a fan motor II (41) are installed at the bottom of the rack (23), the crushing motor (26) is connected with a crushing transmission device (25) through being installed on a speed reducer (24), and the fan motor I (12) and the fan motor II (41) are respectively connected with a fan I (11) and a fan II (22);

a crushing transmission shaft (16) is arranged in the crushing chamber (8), a first-layer crushing area (19), a second-layer crushing area (20) and a third-layer crushing area (21) are respectively arranged at the upper part, the middle part and the lower part of the crushing transmission shaft (16), a material homogenizing mechanism (17), a grinding roller (38), a diamond-shaped cutter (39) and a rough crushing wall (18) are arranged in the first-layer crushing area (19), the bottom end of the crushing transmission shaft (16) penetrates through the material storage chamber (10) to be connected with a crushing transmission device (25), and a belt I (35), a small belt pulley I (36) and a large belt pulley I (37) are arranged in the crushing transmission device (25);

the grinding roller (38) is provided with a material homogenizing mechanism (17), and the material homogenizing mechanism (17) is positioned right above the grinding roller (38);

the grinding roller (38) is provided with a diamond-shaped knife (39), and the diamond-shaped knife (39) is positioned in a grinding roller notch (40);

a storage chamber (10) is arranged at the bottom end of the crushing chamber (8), a drainage tube (7) is arranged at the top of the storage chamber (10) and the right center of the crushing chamber (8), and the drainage tube (7) is communicated with the grading chamber (6) and the storage chamber (10) from top to bottom;

the fan I (11) and the fan II (22) are arranged in the storage chamber (10), and the fan I (11) and the fan II (22) are axially symmetrically arranged on two sides of the storage chamber (10).

2. A grinding-type spice mill according to claim (1), wherein: go up casing (15) and be straight notch type boss structure, including smashing room (8), storage compartment (10) and drainage tube (7), smash the bottom and the storage compartment (10) intercommunication of room (8), the top of storage compartment (10) is passed through drainage tube (7) and is linked together with hierarchical room (6).

3. A grinding-type spice mill according to claim (1), wherein: the crushing transmission device (25) is connected with the crushing transmission shaft (16) by adopting V-belt transmission.

4. A grinding-type spice mill according to claim 2, wherein: the grinding chamber (8) adopts a grinding type grinding structure and comprises a grinding roller (38), a grinding wall (18) and a diamond-shaped cutter (39), the surfaces of the grinding roller (38) and the grinding wall (18) are designed into concave-convex shapes, and the diamond-shaped cutter (39) is arranged in a grinding roller notch (40).

5. A grinding-type spice mill according to claim 2, wherein: the classifying vanes (28) of the classifying chamber (6) are designed to be thin and light in a large number.

6. A grinding-type spice mill according to claim (1), wherein: and the fan I (11) and the fan II (22) are axially and symmetrically arranged at the bottom of the lower shell (9).