CN220941008U - Hammer type cyclone mill - Google Patents

Abstract

The application discloses a hammer type cyclone mill, which relates to the field of cyclone mills and comprises a mill chamber, a feed inlet and a discharge outlet which are formed in the mill chamber, wherein a plurality of hammer cutters are rotatably connected to the inner side wall of the mill chamber, collision teeth are fixed at the end parts of the hammer cutters, and a first guide surface is formed on the end surface of the collision teeth, which is opposite to a hammer cutter rotating shaft. The application has the effects of reducing material residues and improving cooling efficiency.

Description

Hammer type cyclone mill

Technical Field

The application relates to the field of cyclone mills, in particular to a hammer type cyclone mill.

Background

The hammer cyclone mill is an efficient grinding device, and the main principle is that materials are crushed through a hammer head rotating at high speed, and then classified and screened through a cyclone separator, so that a required powder product is obtained.

The patent with publication number CN209597300U discloses a hammer type cyclone mill, which belongs to the technical field of machinery. It has solved the poor problem of current whirlwind mill radiating effect. This hammer type whirlwind grinds including the shell, be provided with the installation riser in the shell, the one side of installation riser has linked firmly the crocus shell, have the crocus chamber in the crocus shell, the opposite side of installation riser has linked firmly driving motor, driving motor output shaft's tip has stretched into in the crocus chamber and driving motor output shaft's tip department has linked firmly the blade, the top of crocus shell is connected with the discharging pipe, be equipped with the screen cloth between discharging pipe and the crocus chamber, the top of shell is equipped with feed hopper, feed hopper's bottom is linked together with the crocus chamber, the tip department of shell is equipped with radiator fan, radiator fan just sets up driving motor, the bottom and/or the lateral part of shell are equipped with the louvre. The hammer type cyclone grinding tool has the advantage of good heat dissipation effect.

In the process of realizing the application, the inventor finds that at least the following problems exist in the technology, and during the rotation process of the inner hammer blade of the cyclone mill, materials can be accumulated on the side wall of the collision teeth of the end face of the hammer blade due to the action of centrifugal force, so that the materials are easy to remain.

Disclosure of utility model

In order to solve the problems of material residue and heating, the application provides a hammer type cyclone mill.

The application provides a hammer cyclone mill which adopts the following technical scheme:

The utility model provides a hammer type cyclone mill, includes the mill chamber, opens feed inlet and the discharge gate on the mill chamber, mill chamber inside wall rotates and is connected with a plurality of hammers sword, hammer sword tip is fixed with the collision tooth, the collision tooth just has offered first guide surface to the terminal surface of hammer sword pivot department.

Through adopting above-mentioned technical scheme, the first guide surface is offered to collision tooth terminal surface, drives collision tooth pivoted in-process at the hammer sword, and the material contacts with the collision tooth, and under the effect of first guide surface, the material can not pile up at collision tooth terminal surface to the remaining problem of material on the hammer sword lateral wall has been improved.

Optionally, a second guiding surface is provided on the side wall of the hammer knife.

By adopting the technical scheme, the second guide surface is formed on the side wall of the hammer knife, so that the possibility of material residue caused by less airflow at the lee position in the rotation process of the hammer knife is reduced.

Optionally, the inner side wall of the grinding chamber is provided with a residue-preventing guide surface.

By adopting the technical scheme, the right-angle transition between the grinding chamber end face and the grinding chamber side wall is changed into the arc transition by the residue-preventing guide surface, so that the problem that materials are easy to accumulate to the right-angle transition between the grinding chamber end face and the grinding chamber side wall is solved.

Optionally, the end face of the collision tooth deviating from the hammer knife rotating shaft is flush with the end face of the hammer knife back away from the self rotating shaft.

Through adopting above-mentioned technical scheme, the terminal surface that collision tooth deviates from hammer sword pivot flushes in the hammer back of the body and leaves the terminal surface of self pivot, has further improved the problem that collision tooth department is easy to gather the material.

Optionally, the end face of the grinding chamber is provided with an opening, and the side wall of the grinding chamber is rotationally connected with a grinding cover for closing the opening.

Through adopting above-mentioned technical scheme, grind the lid and will grind the opening part of bore terminal surface and seal, and rotate through hinged joint's mode between the two and connect, be convenient for clear up the inside of grinding the bore or overhaul the internal parts of grinding the bore.

Optionally, the feed inlet is arranged on the end face of the grinding cover, and a feed cylinder convenient for feeding is fixed at the feed inlet.

By adopting the technical scheme, the feeding barrel is convenient for the material to enter the grinding chamber from the feeding hole.

Optionally, a discharge block is fixed on the side wall of the grinding chamber, and a discharge hole is formed in the side wall of the discharge block.

Through adopting above-mentioned technical scheme, discharge gate, blown down tank, the inside three intercommunication of mill bore to the inside material transfer of mill bore to mill bore outside of being convenient for.

Optionally, the cooling groove is opened to the mill bore terminal surface, mill bore terminal surface is fixed with the closing cap that is used for sealing the cooling groove, set up inlet opening and apopore on the closing cap.

Through adopting above-mentioned technical scheme, be used for letting in the cooling water in the cooling tank, the closing cap seals the cooling tank to reduce the possibility of water leakage, inlet port and apopore are convenient for let in and discharge cooling water simultaneously, are convenient for the going on of water cycle process.

Optionally, the grinding chamber comprises a main chamber body and a cover body, and the cover body is detachably connected with the main chamber body.

Through adopting above-mentioned scheme, main thorax body and lid can dismantle the connection, be convenient for grind dismantlement and the installation of thorax.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The end face of the collision tooth is provided with a first guide surface, and materials cannot be accumulated on the end face of the collision tooth under the action of the first guide surface, so that the problem of material residue is solved;

2. The second guide surface reduces the possibility of material residue caused by less airflow at the lee position in the rotation process of the hammer knife.

Drawings

FIG. 1 is a schematic diagram of the main structure of an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an exploded view of the closure attachment.

Reference numerals illustrate:

1. grinding the bore; 2. a feed inlet; 3. a discharge port; 4. a hammer knife; 5. a bump tooth; 6. a first guide surface; 7. a residue-preventing guide surface; 8. grinding the cover; 9. a feed cylinder; 10. a discharge block; 13. a cooling tank; 14. a closing cap; 15. a water inlet hole; 16. a water outlet hole; 17. a second guide surface; 18. a main bore body; 19. and a cover body.

Detailed Description

The application is described in further detail below with reference to fig. 1-3.

The embodiment of the application discloses a hammer type cyclone mill. Referring to fig. 1, 2 and 3, the hammer cyclone mill comprises a mill chamber 1, the mill chamber 1 is used for being fixed on a cyclone mill main body, a feed inlet 2 and a discharge outlet 3 are formed in the mill chamber 1, the mill chamber 1 is hollow and is provided with an opening on the end face, a mill cover 8 is connected to the side wall of the mill chamber 1 through a hinge in a rotating manner, a cover plate is detachably connected to the end face of the mill cover 8, the mill cover 8 is used for sealing the opening, a sealing ring is bonded to the end face of the mill cover 8, the sealing ring is made of rubber material and is a flat gasket sealing ring, and compared with a traditional O-shaped sealing ring, the gap between the flat gasket sealing ring and the matching part of the mill chamber 1 is smaller, and material accumulation residues are not easy to cause; the rotary connection adopts a double-hinge mode, and the double-hinge mode solves the problems of insufficient matching tightness and easy abrasion caused by larger swinging amount of the traditional single-arm hinge; the material is conveniently added into the grinding chamber 1 through the material inlet 2, and the material in the grinding chamber 1 is conveniently transferred to the outside of the grinding chamber 1 through the material outlet 3; grind thorax 1 includes main thorax body 18 and lid 19, can dismantle through the mode of bolt fastening between main thorax body 18 and the lid 19 and be connected, be convenient for grind the dismantlement and the fixed of thorax 1, it adopts the Teflon material simultaneously, can effectively reduce the powder and grind the residue of wall and avoid heavy metal pollution.

Referring to fig. 1, fig. 2 and fig. 3, the inner side wall of the grinding chamber 1 is rotationally connected with a plurality of hammer knives 4 through a rotating shaft, the number of the adopted hammer knives 4 is three, the three hammer knives 4 are uniformly distributed around the rotating shaft, two collision teeth 5 are fixed at the end part of the hammer knives 4, which is away from the rotating shaft, the fixing mode can be bonding, welding, integral forming and the like, in the embodiment, the two collision teeth 5 are respectively arranged at the two end surfaces of the hammer knives 4 along the axial direction of the rotating shaft, a first guide surface 6 is arranged at the end surface of the collision teeth 5, which is right opposite to the rotating shaft of the hammer knives 4, the first guide surface 6 is in an inclined surface mode, the problem that materials are easy to accumulate at the end surface of the collision teeth 5 due to centrifugal effect in the traditional plane mode is solved, and meanwhile, the end surface of the collision teeth 5, which is away from the rotating shaft of the hammer knives 4, is flush with the end surface of the hammer knives 4, which is away from the rotating shaft, and the possibility of stacking the materials is further reduced; the second guiding surface 17 is formed on the side wall of the hammer knife 4, and the second guiding surface 17 reduces the possibility of material residue caused by less air flow at the back of the rotation direction of the hammer knife 4.

Referring to fig. 1, 2 and 3, the inner side wall of the grinding chamber 1 is provided with a residue-preventing guide surface 7, and the residue-preventing guide surface 7 changes the right-angle transition mode of the end surface of the grinding chamber 1 and the side wall of the grinding chamber 1 into smooth transition, so that the problem that materials are accumulated and remained at the end surface of the grinding chamber 1 and the side wall of the grinding chamber 1 is solved.

Referring to fig. 1, 2 and 3, a feed inlet 2 is arranged on the end face of a grinding cover 8, the feed inlet 2 penetrates through the grinding cover 8 along the axial direction of the grinding cover 8, a feed cylinder 9 is fixed on the inner side wall of the feed inlet 2 through bolts, the axial direction of the feed cylinder 9 is perpendicular to the axial direction of the grinding cover 8, and the feed cylinder 9 is communicated with the feed inlet 2, so that materials can be conveniently transferred into a grinding chamber 1; the side wall integrated into one piece of milling chamber 1 has discharge block 10, and discharge gate 3 has been seted up to discharge block 10 lateral wall, and discharge gate 3 and the inside intercommunication of milling chamber 1 are convenient for the material in the milling chamber 1 shifts to milling chamber 1 outside.

Referring to fig. 1, 2 and 3, the end face of the grinding chamber 1 is provided with a cooling groove 13, the cooling groove 13 is arranged on the end face, away from the grinding cover 8, of the grinding chamber 1, namely, on a cover 19, the cooling groove 13 is used for cooling the outer shell and the inner part of the grinding chamber 1, the end face of the grinding chamber 1 is fixedly provided with a sealing cover 14 through bolts, the sealing cover 14 is used for sealing the cooling groove 13, the sealing cover 14 is provided with a water inlet hole 15 and a water outlet hole 16, the water inlet hole 15 and the water outlet hole 16 respectively correspond to inner water channels of the cooling groove 13, and the water circulation process is convenient to carry out.

The implementation principle of the hammer type cyclone mill provided by the embodiment of the application is as follows: the material is transferred to the inside of the grinding chamber 1 through the feeding cylinder 9 and the feeding port 2, collides with the hammer knife 4, is crushed and discharged through the screen after reaching a certain granularity, and the side wall of the hammer knife 4 and the end face of the collision tooth 5 are provided with guide surfaces, so that the possibility of material accumulation in the grinding chamber 1 is effectively reduced.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The utility model provides a hammer type cyclone mill, includes grinds chamber (1), opens feed inlet (2) and discharge gate (3) on grinds chamber (1), its characterized in that: the inner side wall of the grinding chamber (1) is rotationally connected with a plurality of hammer cutters (4), collision teeth (5) are fixed at the end parts of the hammer cutters (4), and a first guide surface (6) is arranged on the end face of the position, right opposite to the rotating shaft of the hammer cutters (4), of the collision teeth (5).

2. A hammer mill according to claim 1, characterized by: the side wall of the hammer knife (4) is provided with a second guide surface (17).

3. A hammer mill according to claim 1, characterized by: the inner side wall of the grinding chamber (1) is provided with a residue-preventing guide surface (7).

4. A hammer mill according to claim 1, characterized by: the end face of the collision tooth (5) deviating from the rotating shaft of the hammer knife (4) is flush with the end face of the hammer knife (4) deviating from the rotating shaft.

5. A hammer mill according to claim 1, characterized by: the end face of the grinding chamber (1) is provided with an opening, and the side wall of the grinding chamber (1) is rotationally connected with a grinding cover (8) for closing the opening.

6. A hammer mill according to claim 5, wherein: the feeding hole (2) is formed in the end face of the grinding cover (8), and a feeding barrel (9) convenient for feeding is fixed at the feeding hole (2).

7. A hammer mill according to claim 1, characterized by: the side wall of the grinding chamber (1) is fixedly provided with a discharge block (10), and the side wall of the discharge block (10) is provided with a discharge port (3).

8. A hammer mill according to claim 1, characterized by: the cooling tank (13) is arranged on the end face of the grinding chamber (1), a sealing cover (14) for sealing the cooling tank (13) is fixed on the end face of the grinding chamber (1), and a water inlet hole (15) and a water outlet hole (16) are formed in the sealing cover (14).

9. A hammer mill according to claim 1, characterized by: the grinding chamber (1) comprises a main chamber body (18) and a cover body (19), wherein the cover body (19) is detachably connected with the main chamber body (18).