CN217368607U

CN217368607U - Crushing cavity mechanism of spiral airflow flour mill

Info

Publication number: CN217368607U
Application number: CN202220642785.2U
Authority: CN
Inventors: 庞华兴
Original assignee: Guangdong Nanguo Pharmaceutical Co ltd
Current assignee: Guangdong Nanguo Pharmaceutical Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-09-06
Anticipated expiration: 2032-03-23

Abstract

The utility model provides a spiral air current milling machine smashes cavity mechanism, including main part, feeder hopper, last air inlet, lower air inlet, arc, crushing impeller and horizontal pole, the top fixed mounting of the one end of main part has the feeder hopper, this spiral air current milling machine smashes cavity mechanism and can increase spiral air current's energy through the arc, can strike granule and arc simultaneously, the great granule of convenient contrast is smashed, it is rotatory to blow crushing impeller through high-pressure draught, the inside great granule of discharge gate collides with the main part under the centrifugal force of smashing the impeller, can improve granule crushing efficiency, crushing impeller passes through the dwang and drives the extrusion piece, can rock about carrying out the separation net, conveniently discharge the granule, high durability and convenient use.

Description

Crushing cavity mechanism of spiral airflow flour mill

Technical Field

The utility model relates to an air current rubbing crusher technical field specifically is a spiral air current milling machine smashes cavity mechanism.

Background

The jet mill is a crushing machine with wide application range and high finished product fineness, and is widely applied to industries such as biological medicines and metal powder preparation, materials enter a grinding chamber through a feed hopper and high-pressure air, spiral gas is formed, the materials are repeatedly collided and rubbed with the inner wall of the grinding chamber, so that the materials become smaller particles, the particles with composite requirements are discharged through a discharge port, the larger particles are crushed again, the existing jet mill is in the crushing process, the air flow loss causes the particle crushing efficiency to be lower, and some larger particles can be discharged along with small particles, and the crushing quality is lower.

Therefore, the utility model provides a spiral air current milling machine smashes cavity mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spiral air current milling machine smashes cavity mechanism to solve the problem that proposes in the above-mentioned background art, the utility model discloses an arc can increase spiral air current's energy, conveniently smashes the granule simultaneously, and great granule is rotatory and is smashed in will discharged granule through the impeller, can improve crushing efficiency, convenient to use.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a crushing cavity mechanism of a spiral airflow pulverizer comprises a main body, a feed hopper, an upper air inlet, a lower air inlet, an arc plate, a crushing impeller and a cross rod, wherein the top of one end of the main body is fixedly provided with the feed hopper, the bottom of the feed hopper is fixedly provided with the upper air inlet, one side of the main body is fixedly provided with the lower air inlet, the outer side of the inner part of the main body is provided with an annular pipeline, the inner side of the inner part of the main body is provided with a grinding chamber, nozzles are arranged between the annular pipeline and the grinding chamber at equal intervals, the central position of the bottom of the main body is provided with a discharge port, the bottom of the inner side of the discharge port is fixedly provided with the cross rod, the top of the cross rod is movably provided with a rotating rod through a rotating shaft, the top of the rotating rod is rotatably provided with the crushing impeller in a limiting way, an extrusion block is fixedly arranged on the rotating rod, and the inner part of the discharge port is provided with a separation net in a limiting way which the separation net is arranged in a lifting and sliding way, the separation net is slidably mounted on the rotating rod.

As a preferred embodiment of the present invention, the nozzle is arc-shaped, and the nozzle is distributed in a spiral shape.

As a preferred embodiment of the utility model, the central point of the inside of grinding chamber puts fixed mounting and has the arc, the arc is three-layer helical structure, the fixed central point that sets up in the inboard of arc of discharge gate puts.

As a preferred embodiment of the present invention, the separating net is shaped like a "V", and the separating net is movably installed at the bottom of the pulverizing impeller.

As a preferred embodiment of the present invention, the bottom of the separation net is fixedly installed with a spring, and the spring is installed on the rotating rod.

As a preferred embodiment of the present invention, the top of the separation net is fixedly installed with an extrusion plate, the extrusion plate is movably installed at the bottom of the extrusion block, and the bottom of the extrusion block is arc-shaped.

The utility model has the advantages that: the utility model relates to a spiral air current milling machine smashes cavity mechanism and can increase spiral air current's energy through the arc, can strike granule and arc simultaneously, the great granule of convenient contrast is smashed, it is rotatory to blow crushing impeller through high-pressure draught, the inside great granule of discharge gate collides with the main part under crushing impeller's centrifugal force, can improve granule crushing efficiency, crushing impeller passes through the dwang and drives the extrusion piece, can rock from top to bottom to the separation net, the convenience is discharged the granule, high durability and convenient use.

Drawings

FIG. 1 is a structural diagram of a pulverizing cavity mechanism of a spiral jet mill of the present invention;

FIG. 2 is a top view of a pulverizing chamber mechanism of the helical airflow pulverizer of the present invention;

FIG. 3 is an enlarged view of the A position in the pulverizing cavity mechanism diagram 1 of the helical airflow pulverizer of the present invention;

in the figure: 1. a main body; 2. a feed hopper; 3. an upper inlet port; 4. a lower air inlet; 5. an annular duct; 6. a nozzle; 7. a grinding chamber; 8. an arc-shaped plate; 9. a discharge port; 10. a pulverizing impeller; 11. rotating the rod; 12. a cross bar; 13. a separation net; 14. extruding the block; 15. a spring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a spiral airflow pulverizer crushing cavity mechanism comprises a main body 1, a feed hopper 2, an upper air inlet 3, a lower air inlet 4, an arc-shaped plate 8, a crushing impeller 10 and a cross rod 12, wherein the feed hopper 2 is fixedly installed at the top of one end of the main body 1, the upper air inlet 3 is fixedly arranged at the bottom of the feed hopper 2, the lower air inlet 4 is fixedly arranged at one side of the main body 1, an annular pipeline 5 is arranged at the outer side of the inner part of the main body 1, a grinding chamber 7 is arranged at the inner side of the inner part of the main body 1, nozzles 6 are arranged between the annular pipeline 5 and the grinding chamber 7 at equal intervals, a discharge port 9 is arranged at the central position of the bottom of the main body 1, the cross rod 12 is fixedly installed at the inner side of the discharge port 9, a rotating rod 11 is movably installed at the top of the cross rod 12 through a rotating shaft, the crushing impeller 10 is installed at the top end of the rotating rod 11 in a limiting and rotating manner, fixed mounting has extrusion piece 14 on dwang 11, the spacing lift slidable mounting in inside of discharge gate 9 has separation net 13, separation net 13 slidable mounting is on dwang 11, and last air inlet 3 links to each other with the inlet duct is fixed respectively with lower air inlet, and the gas pressure that gets into last air inlet 3 is higher than the gas pressure that gets into air inlet 4 down, puts into the easy crushed aggregates of appropriate solid particle or crystalline matter in the inside of feeder hopper 2, through arc 8, crushing impeller 10's effect, can improve the crushing efficiency of granule, high durability and convenient use.

As a preferred embodiment of the present invention, the shape of the nozzle 6 is arc, the nozzle 6 is distributed in a spiral shape, and the high-pressure air flow is conveniently pulverized into particles through the nozzle 6 in the internal forming spiral air flow of the grinding chamber 7.

As an optimal implementation mode of the utility model, the central point of the inside of grinding chamber 7 puts fixed mounting has arc 8, arc 8 is three-layer helical structure, the fixed central point that sets up at arc 8 of discharge gate 9 puts, can increase the energy of spiral air current, conveniently collides granule and arc 8, improves granule crushing efficiency.

As a preferred embodiment of the present invention, the separating net 13 is shaped like a "V", and the separating net 13 is movably mounted at the bottom of the crushing impeller 10, so that it is convenient to separate larger particles from finer particles.

As a preferred embodiment of the present invention, a spring 15 is fixedly installed at the bottom of the separation net 13, the spring 15 is sleeved on the rotating rod 11, and the separation net 13 can rise under the elastic action of the spring 15.

As a preferred embodiment of the present invention, the top of the separation net 13 is fixedly installed with an extrusion plate, the extrusion plate is movably installed at the bottom of the extrusion block 14, the bottom shape of the extrusion block 14 is arc-shaped, and the extrusion block 14 can extrude the separation net 13 downwards through the extrusion plate.

When the cavity crushing mechanism of the spiral airflow pulverizer is used, solid particles or crystal-shaped easily-crushed materials are sent into the grinding chamber 7 by the gas of the upper air inlet 3, meanwhile, the gas in the lower air inlet 4 enters the annular pipeline 5 and enters the grinding chamber 7 through the nozzle 6 to form spiral airflow, the spiral airflow drives the solid particles or crystal-shaped easily-crushed materials to collide with the grinding chamber 7 and the arc-shaped plate 8, the crushed solid particles or crystal-shaped easily-crushed materials enter the discharging port 9 after being crushed, the high-pressure gas blows the crushing impeller 10, the crushing impeller 10 drives the solid particles or crystal-shaped powder to collide with the inner wall of the discharging port 9 under the action of centrifugal force for crushing, the crushing impeller 10 drives the extrusion block 14 through the rotating rod 11, the extrusion block 14 extrudes the separation net 13 through the extrusion plate to descend, the separation net 13 compresses the spring 15 at the same time, separating net 13 is reciprocal to go up and down on dwang 11, this spiral air current milling machine smashes cavity mechanism and can increase the energy of spiral air current through arc 8, can strike granule and arc 8 simultaneously, the great granule of convenient contrast is smashed, it is rotatory to blow crushing impeller 10 through high-pressure draught, the great granule of discharge gate 9 inside collides with the main part under crushing impeller 10's centrifugal force, can improve granule crushing efficiency, crushing impeller 10 drives extrusion piece 14 through dwang 11, can rock separating net 13 from top to bottom, conveniently discharge the granule, high durability and convenient use.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A spiral airflow pulverizer crushing cavity mechanism comprises a main body (1), a feed hopper (2), an upper air inlet (3), a lower air inlet (4), an arc-shaped plate (8), a crushing impeller (10) and a cross rod (12), and is characterized in that the top of one end of the main body (1) is fixedly provided with the feed hopper (2), the bottom of the feed hopper (2) is fixedly provided with the upper air inlet (3), one side of the main body (1) is fixedly provided with the lower air inlet (4), the outer side of the inner part of the main body (1) is provided with an annular pipeline (5), the inner side of the inner part of the main body (1) is provided with a grinding chamber (7), nozzles (6) are equidistantly arranged between the annular pipeline (5) and the grinding chamber (7), the central position of the bottom of the main body (1) is provided with a discharge hole (9), the bottom of the inner side of the discharge hole (9) is fixedly provided with the cross rod (12), the top of horizontal pole (12) has dwang (11) through axis of rotation movable mounting, the spacing rotation in top of dwang (11) is installed and is smashed impeller (10), fixed mounting has extrusion piece (14) on dwang (11), the spacing lift slidable mounting in inside of discharge gate (9) has separation net (13), separation net (13) slidable mounting is on dwang (11).

2. The pulverizing cavity mechanism of a helical jet mill as claimed in claim 1, wherein: the shape of the nozzle (6) is arc-shaped, and the nozzle (6) is distributed in a spiral shape.

3. The pulverizing cavity mechanism of a helical jet mill as claimed in claim 1, wherein: the grinding chamber is characterized in that an arc-shaped plate (8) is fixedly mounted at the center of the interior of the grinding chamber (7), the arc-shaped plate (8) is of a three-layer spiral structure, and a discharge port (9) is fixedly arranged at the center of the inner side of the arc-shaped plate (8).

4. The pulverizing cavity mechanism of a helical jet mill as claimed in claim 1, wherein: the separating net (13) is V-shaped, and the separating net (13) is movably arranged at the bottom of the crushing impeller (10).

5. The pulverizing cavity mechanism of a helical jet mill as claimed in claim 1, wherein: the bottom fixed mounting of separation net (13) has spring (15), spring (15) suit is on dwang (11).

6. The pulverizing cavity mechanism of a helical jet mill as claimed in claim 1, wherein: the top of the separation net (13) is fixedly provided with an extrusion plate, the extrusion plate is movably arranged at the bottom of an extrusion block (14), and the bottom of the extrusion block (14) is arc-shaped.