CN219663932U - Jet mill for producing inorganic pigment - Google Patents

Abstract

The utility model relates to an airflow crusher for inorganic pigment production, which relates to the field of airflow crushers and comprises an air inlet chamber, a crushing chamber and a classifying chamber, wherein the air inlet chamber and the classifying chamber are respectively communicated with the crushing chamber, a feeding pipe is arranged on the crushing chamber, a grinding component for grinding pigment is arranged in the feeding pipe, a mounting block is arranged on the crushing chamber, and a crushing component for crushing pigment is arranged on the mounting block. The utility model has the effect of improving the crushing effect by utilizing the grinding gear, the crushing ring and the crushing plate.

Description

Jet mill for producing inorganic pigment

Technical Field

The present utility model relates to the field of jet mills, and in particular to jet mills for the production of inorganic pigments.

Background

The jet mill is a crushing machine with wide application range and is widely applied to industries such as biological medicine, metal powder preparation and the like. The principle of the jet mill is as follows: after the material enters the crushing chamber through the feeding system, repeated collision, friction and shearing are generated between the material and the inner wall of the crushing chamber through high-speed airflow impact of the crushing chamber, so that particles with smaller granularity are changed, the crushed material moves along with ascending airflow under the action of wind power, the materials with different granularities are separated through the classifying chamber in the moving process, fine particles are collected, and coarse particles fall into the crushing chamber to be crushed continuously.

In the related art, when materials enter a crusher, large and small material balls are often accompanied, most of the material balls are scattered when being crashed by collision, the rest of the material balls are impacted and compacted in the process of collision, so that hard material balls are formed, and then the material balls cannot be crashed and fall into a slag discharging port to be discharged, so that the crushing effect of the crusher is poor.

Disclosure of Invention

In order to solve the problem of poor crushing effect of the crusher, the utility model provides a jet mill for producing inorganic pigment.

The utility model provides a jet mill for producing inorganic pigment, which adopts the following technical scheme:

the utility model provides an air current rubbing crusher for inorganic pigment production, includes inlet chamber, crushing room and classifying chamber, inlet chamber and classifying chamber communicate with crushing room respectively, be equipped with the filling tube on the crushing room, be equipped with the grinding element who is used for grinding pigment in the filling tube, be equipped with the installation piece on the crushing room, be equipped with the crushing element who is used for broken pigment on the installation piece.

Through adopting above-mentioned technical scheme, before pigment gets into crushing room, utilize grinding element to carry out preliminary grinding to pigment for cubic pigment dispersion, then the effect at the air current descends pigment and send into crushing element breakage, thereby helps improving jet mill's crushing effect.

In a specific implementation manner, the grinding assembly comprises two grinding gears, a mounting plate is arranged on the feeding pipe, the two grinding gears are both rotationally connected to the mounting plate and are mutually linked, a driving motor is arranged on the mounting plate, and a driving shaft of the driving motor is coaxially connected with one of the grinding gears.

Through adopting above-mentioned technical scheme, grind the gear at pivoted in-process, pigment passes through and rolls between two grinding gears and grinds to preliminary crushing is carried out to pigment, reduces the production of cubic pigment, helps improving jet mill's crushing effect.

In a specific implementation mode, the feeding pipe is provided with a hopper, the feeding pipe is rotationally connected with a material guiding shaft, a servo motor is fixed on the side wall of the feeding pipe, and a driving shaft of the servo motor is coaxially connected with the material guiding shaft.

Through adopting above-mentioned technical scheme, servo motor drives guide axle pivoted in-process, and the guide axle drives pigment and removes, helps preventing pigment jam.

In a specific embodiment, the crushing assembly comprises a crushing ring and a crushing plate, wherein the crushing plate is fixed on the crushing ring, a plurality of bulges are arranged on the crushing ring, a plurality of crushing cones are arranged on the crushing plate, and a fixing piece for fixing the crushing ring is arranged on the crushing chamber.

Through adopting above-mentioned technical scheme, utilize the air current to blow pigment to broken ring and breaker plate to collide with a plurality of archs and a plurality of broken awl, thereby smash pigment, help improving jet mill's crushing effect.

In a specific implementation manner, the fixing piece comprises a plurality of fixing bolts and a plurality of fixing nuts, a plurality of fixing holes are formed in the mounting block, a plurality of mounting holes are formed in the crushing ring, and the fixing bolts sequentially penetrate through the mounting holes and the fixing holes and are in threaded connection with the fixing nuts.

Through adopting above-mentioned technical scheme, utilize fixing bolt and fixation nut to fix broken ring on the mounting panel, be convenient for dismouting, and then be convenient for maintain.

In a specific implementation, a plurality of nozzles are connected to the peripheral wall of the air inlet chamber in a sliding manner, an adjusting rod is hinged to the nozzles, an electric cylinder is arranged on the bottom wall of the air inlet chamber, and the other end of the adjusting rod is hinged to the electric cylinder.

Through adopting above-mentioned technical scheme, utilize the drive shaft of electric jar to drive the nozzle and remove to adjust the interval between the nozzle, make equipment can smash the pigment of different hardness and density, help promoting crushing effect and application range.

In a specific embodiment, an abutment post is provided in the air inlet chamber, the abutment post abutting against a side wall of the adjustment rod.

By adopting the technical scheme, the nozzle is abutted and supported by the abutting column and the adjusting rod, so that the nozzle synchronously and stably moves.

In a specific implementation manner, the classifying chamber comprises a flow guide pipe and a classifying cavity, the flow guide pipe is communicated with the classifying cavity, the flow guide pipe corresponds to the crushing chamber, a discharging hole and a collecting hole are formed in the classifying cavity, and the collecting hole is communicated with the feeding pipe.

Through adopting above-mentioned technical scheme, utilize honeycomb duct to classifying intracavity wind-guiding for the wind direction in the classifying cavity is circumference rotation, thereby classify not unidimensional pigment, and pigment that does not reach standard gets into the filling tube through collecting the mouth and smashes again, helps improving crushing effect.

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

1. the pigment is primarily ground through the grinding gear before entering the grinding chamber, so that the generation of massive pigment is reduced, and the pigment is easy to grind after entering the grinding chamber.

2. The crushing chamber is provided with a crushing plate and a crushing ring, and pigment is mutually impacted or impacted to the crushing plate and the crushing ring by utilizing air flow, so that the crushing efficiency is improved;

3. pigments of different sizes in the classifying chamber are collected again to the charging pipe and crushed again, which helps to improve the crushing effect.

Drawings

Fig. 1 is a schematic view showing the overall structure of a jet mill for inorganic pigment production in this example.

Fig. 2 is a schematic cross-sectional structure of the jet mill for inorganic pigment production in this example.

Fig. 3 is a schematic structural view showing a positional relationship between a grinding gear and a driving motor in the present embodiment.

Fig. 4 is an enlarged view at a in fig. 1.

Reference numerals illustrate: 1. an intake chamber; 2. a pulverizing chamber; 3. a classifying chamber; 4. a feeding tube; 5. a grinding assembly; 51. grinding the gear; 6. a mounting block; 7. a crushing assembly; 71. a crushing ring; 72. a breaker plate; 8. a mounting plate; 9. a driving motor; 10. a hopper; 11. a material guiding shaft; 12. a servo motor; 13. a fixing member; 131. a fixing bolt; 132. a fixing nut; 14. a fixing hole; 15. a mounting hole; 16. a nozzle; 17. an adjusting rod; 18. an electric cylinder; 19. abutting the column; 20. a flow guiding pipe; 21. a classifying cavity; 22. a discharge port; 23. and a collection port.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-4.

The embodiment of the utility model discloses a jet mill for producing inorganic pigment. Referring to fig. 1, a jet mill for inorganic pigment production comprises an inlet chamber 1, a milling chamber 2 and a classifying chamber 3, in which the inlet chamber 1 and the milling chamber 2 constitute a cylinder, the inlet chamber 1 being located below the milling chamber 2, the cylinder being connected to the classifying chamber 3, and the pigment entering the classifying chamber 3 after milling is classified and the pigment conforming to the size is collected.

A feeding pipe 4 is arranged on the side wall of the crushing chamber 2, and a grinding component 5 for grinding pigment is arranged at the joint of the feeding pipe 4 and the crushing chamber 2, so that pigment is primarily crushed; the roof in crushing room 2 is equipped with installation piece 6, is equipped with on the installation piece 6 and is used for carrying out broken crushing unit 7 once more to pigment, in this embodiment, crushing unit 7 belongs to the part component of crushing room 2, and pigment is broken in the collision of air current convergence point, and crushing unit 7 auxiliary crushing helps improving jet mill's crushing effect.

Referring to fig. 1, 2 and 3, the grinding assembly 5 includes two grinding gears 51, a feed port is formed in a side wall of the grinding chamber 2, a square shape is taken as an example of the feed port, a mounting plate 8 is formed in the side wall of the feed port, the two grinding gears 51 are rotatably connected to the mounting plate 8, the two grinding gears 51 are mutually linked, that is, when one of the grinding gears 51 rotates, the other grinding gear 51 synchronously rotates, and pigment moves and is ground in the process of rotating the grinding gears 51, so that massive pigment is prevented from entering the grinding chamber 2.

The mounting plate 8 is further provided with a driving motor 9, the driving motor 9 and the grinding gears 51 are respectively positioned on two sides of the mounting plate 8, a driving shaft of the driving motor 9 is coaxially connected with one of the grinding gears 51, and the grinding gears 51 are stably driven to rotate by the driving motor 9, so that pigments are crushed.

Referring to fig. 2, a hopper 10 is arranged on a feeding tube 4, the side wall of the hopper 10 is obliquely arranged, a guide shaft 11 for guiding materials is arranged in the feeding tube 4, the guide shaft 11 is rotationally connected with the side wall of the feeding tube 4, a guide plate is arranged on the guide shaft 11, the guide plate is spirally arranged along the length direction, a servo motor 12 is fixed on the outer wall of the feeding tube 4, a driving shaft of the servo motor 12 and the guide shaft 11 are coaxially fixed, and accordingly the guide shaft 11 is driven to rotate by the servo motor 12, and pigment moves along the guide plate to help prevent the feeding tube 4 from being blocked.

Referring to fig. 1, the crushing assembly 7 includes a crushing ring 71 and a crushing plate 72, the crushing plate 72 is shaped like a ring and is fixed to the crushing ring 71, the crushing plate 72 is an inclined ring plate, a fixing member 13 for fixing the crushing ring 71 is provided on the crushing chamber 2, a plurality of protrusions of irregular shape are provided on the peripheral wall of the crushing ring 71, a plurality of crushing cones are provided on the side wall of the crushing plate 72 facing the crushing ring 71, the protrusions and the crushing cones are not drawn in the drawing, and are all used for pigment collision crushing, thereby contributing to improving the crushing effect of the pigment.

Referring to fig. 2 and 4, the fixing member 13 includes a plurality of fixing bolts 131 and a plurality of fixing nuts 132, the plurality of fixing bolts 131 and the plurality of fixing nuts 132 are respectively in one-to-one correspondence, a plurality of fixing holes 14 are formed in the mounting block 6, the mounting block 6 is annular, a plurality of mounting holes 15 are formed in the crushing ring 71, the number of the plurality of fixing holes 14 and the plurality of mounting holes 15 are respectively corresponding to the plurality of fixing bolts 131, the fixing bolts 131 sequentially penetrate through the mounting holes 15 and the fixing holes 14 and are in threaded connection with the fixing nuts 132 and are screwed down, the fixing nuts 132 are abutted against the side walls of the fixing plate, and accordingly the crushing ring 71 can be detached and fixed, and disassembly, overhaul or replacement is facilitated.

Referring to fig. 2, a plurality of nozzles 16 are uniformly arranged on the peripheral wall of the air inlet chamber 1, the number of the nozzles 16 is set according to actual requirements, the nozzles 16 are connected with the peripheral wall of the air inlet chamber 1 in a sliding manner, an adjusting rod 17 is hinged to the bottom wall of the nozzle 16, an electric cylinder 18 is arranged on the bottom wall of the air inlet chamber 1, the other end of the adjusting rod 17 is hinged to a driving shaft of the electric cylinder 18, and accordingly the nozzles 16 are driven to move in the stretching process of the driving shaft of the electric cylinder 18, the positions of the nozzles 16 are adjusted, and the crushing efficiency is improved.

Referring to fig. 2, an abutment post 19 is provided in the intake chamber 1, the abutment post 19 abuts against the side wall of the adjusting lever 17, and when the electric cylinder 18 drives the adjusting lever 17 to rotate, the abutment post 19 supports the adjusting lever 17, so that the nozzle 16 moves more stably.

Referring to fig. 1 and 2, the classifying chamber 3 includes a draft tube 20 and a classifying chamber 21, the draft tube 20 is fixed at the top of the pulverizing chamber 2 and communicates with the classifying chamber 21, the classifying chamber 21 has an inverted cone shape, the draft tube 20 is tangent to the outer wall of the classifying chamber 21, and wind starts to move and rotate along the tapered sidewall when entering the classifying chamber 21 by the inverted cone shape, thereby classifying pigment; the classifying chamber 3 top is equipped with discharge gate 22, and the below is equipped with collects the mouth 23, accords with the pigment of size and follows the discharge gate 22 ejection of compact, does not accord with pigment entering collection mouth 23 of size, collects a mouthful 23 and charging tube 4 intercommunication to make pigment regrind, help improving crushing efficiency.

The implementation principle of the jet mill for producing the inorganic pigment is as follows: the pigment is primarily ground through the grinding gear 51 before entering the grinding chamber 2, so that the massive pigment is reduced, then the pigment is impacted mutually and with the crushing plate 72 and the crushing ring 71 under the action of air flow, the pigment is further crushed, the crushing effect is improved, the pigment which does not accord with the size is classified and collected to enter the grinding chamber 2 again through the classifying chamber 3, and the crushing effect is improved.

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

Claims (8)

1. The utility model provides a jet mill for inorganic pigment production, includes inlet chamber (1), crushing room (2) and classifying chamber (3), inlet chamber (1) and classifying chamber (3) communicate with crushing room (2) respectively, its characterized in that: the grinding device is characterized in that a feeding pipe (4) is arranged on the grinding chamber (2), a grinding component (5) for grinding pigment is arranged in the feeding pipe (4), an installation block (6) is arranged on the grinding chamber (2), and a crushing component (7) for crushing pigment is arranged on the installation block (6).

2. The jet mill for inorganic pigment production according to claim 1, wherein: the grinding assembly (5) comprises two grinding gears (51), the feeding pipe (4) is provided with a mounting plate (8), the two grinding gears (51) are all rotationally connected to the mounting plate (8) and are mutually linked, the mounting plate (8) is provided with a driving motor (9), and a driving shaft of the driving motor (9) is coaxially connected with one of the grinding gears (51).

3. The jet mill for inorganic pigment production according to claim 2, wherein: the feeding pipe (4) is provided with a hopper (10), the feeding pipe (4) is rotationally connected with a material guiding shaft (11), a servo motor (12) is fixed on the side wall of the feeding pipe (4), and a driving shaft of the servo motor (12) is coaxially connected with the material guiding shaft (11).

4. The jet mill for inorganic pigment production according to claim 1, wherein: the crushing assembly (7) comprises a crushing ring (71) and a crushing plate (72), wherein the crushing plate (72) is fixed on the crushing ring (71), a plurality of protrusions are arranged on the crushing ring (71), a plurality of crushing cones are arranged on the crushing plate (72), and a fixing piece (13) for fixing the crushing ring (71) is arranged on the crushing chamber (2).

5. The jet mill for inorganic pigment production according to claim 4, wherein: the fixing piece (13) comprises a plurality of fixing bolts (131) and a plurality of fixing nuts (132), a plurality of fixing holes (14) are formed in the mounting block (6), a plurality of mounting holes (15) are formed in the crushing ring (71), and the fixing bolts (131) sequentially penetrate through the mounting holes (15) and the fixing holes (14) and are in threaded connection with the fixing nuts (132).

6. The jet mill for inorganic pigment production according to claim 1, wherein: the intelligent air inlet device is characterized in that a plurality of nozzles (16) are connected to the peripheral wall of the air inlet chamber (1) in a sliding mode, adjusting rods (17) are hinged to the nozzles (16), an electric cylinder (18) is arranged on the bottom wall of the air inlet chamber (1), and the other ends of the adjusting rods (17) are hinged to the electric cylinder (18).

7. The jet mill for inorganic pigment production according to claim 6, wherein: an abutting column (19) is arranged in the air inlet chamber (1), and the abutting column (19) abuts against the side wall of the adjusting rod (17).

8. The jet mill for inorganic pigment production according to claim 1, wherein: the classifying chamber (3) comprises a flow guide pipe (20) and a classifying cavity (21), the flow guide pipe (20) is communicated with the classifying cavity (21), the flow guide pipe (20) corresponds to the crushing chamber (2), a discharging hole (22) and a collecting hole (23) are formed in the classifying cavity (21), and the collecting hole (23) is communicated with the feeding pipe (4).