CN213194048U - Air flow crushing device for preparing high-tinting-strength pigment - Google Patents

Abstract

The utility model relates to a prepare jet milling device for high tinting strength pigment, belong to the field of pigment preparation technique, this application includes prefabricated rubbing crusher body, jet mill body and screening subassembly, the screening subassembly includes the screening case, the hair-dryer, the inlet pipe, discharging pipe and circulation piece, the inlet pipe is connected between screening case and prefabricated rubbing crusher body, be provided with the feed valve on the inlet pipe, the discharging pipe is connected between screening case and jet mill body, discharging pipe and screening case junction are equipped with the filter screen, the circulation piece is connected between screening case and prefabricated rubbing crusher body, be equipped with the shutoff board on the internal perisporium of screening case, the shutoff board is located discharging pipe and screening case junction below, be equipped with down the material piece on the shutoff board, the one end and the hair-dryer fixed connection of discharging pipe are kept away from to the screening case, the hair-dryer is relative with the feed end of discharging pipe. This application can be with the large granule material fully crushing one-tenth is fit for fluid energy mill's tiny particle material, send into the fluid energy mill body again.

Description

Air flow crushing device for preparing high-tinting-strength pigment

Technical Field

The application relates to the field of pigment preparation technology, in particular to a pneumatic crushing device for preparing high-tinting-strength pigment.

Background

The inorganic composite pigment is a pigment with wide application, the inorganic composite pigment is mainly generated by metal oxide through high-temperature solid-phase reaction, the prepared pigment needs to be crushed in the preparation process of the inorganic composite pigment, and the tinting strength of the crushed pigment is related to the particle size of pigment particles and generally increases along with the reduction of the particle size, so that the prepared pigment is fully crushed, and the improvement of the tinting strength of the pigment is very important. The jet mill is a superfine grinding device, but the material particles with larger particle size are not suitable for the jet mill, so the material with large particles needs to be firstly ground and then sent into the jet mill for full grinding.

Chinese patent publication No. CN205392692U discloses a combined device of a pulverizer and a jet mill, which comprises a pulverizer main body, a feed inlet, a conveying passage, an air compressor, a jet mill main body and a motor, wherein the motor is arranged on the top of the pulverizer main body and the jet mill main body, the feed inlet is fixedly arranged on the upper part of the pulverizer main body, the conveying passage is arranged on the bottom of the pulverizer main body, a rotating shaft is arranged in an inner cavity of the pulverizer main body, a pulverizing blade is arranged on the surface of the rotating shaft, the air compressor is arranged on the jet mill main body, the jet mill also comprises a separation zone arranged in the inner cavity of the jet mill main body, a pulverizing cavity is arranged at the bottom of the jet mill main body, a jet pipe and an outer circulation passage are respectively and fixedly arranged on the side surface and the bottom of the pulverizing cavity, the jet pipe is connected with the air compressor, the, the top of the inner cavity of the main body of the jet mill is provided with a grading wheel which is connected with a motor, and a discharge hole is arranged between the grading wheel and the motor.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the material crushed by the crusher is directly conveyed into the jet mill, and larger-particle material beyond the application range of the jet mill may exist.

SUMMERY OF THE UTILITY MODEL

In order to fully smash into the small particle material that is fit for fluid energy mill with large granule material, this application provides a preparation high tinting strength is fluid energy mill for pigment.

The application provides a preparation high tinting strength is jet milling device for pigment adopts following technical scheme:

a jet milling device for preparing high tinting strength pigment comprises a prefabricated pulverizer body, a jet mill body and a screening assembly, wherein the screening assembly comprises a screening box, a blower, an inlet pipe, a discharging pipe and a circulating piece, the inlet pipe is connected between the top end of the screening box and the discharging end of the prefabricated pulverizer body, a feeding valve is arranged on the inlet pipe, the discharging pipe is connected between the horizontal end of the screening box and the feeding end of the jet mill body, a filter screen is arranged on the side wall of the screening box connected with the discharging pipe, the circulating piece is connected between the bottom end of the screening box and the feeding end of the prefabricated pulverizer body, a plugging plate is arranged on the inner peripheral wall of the screening box and is positioned below the joint of the discharging pipe and the screening box, a discharging piece is arranged on the plugging plate, and one end of the screening box, far away from the discharging pipe, is fixedly connected with the blower, the blower is opposite to the feeding end of the discharge pipe.

By adopting the technical scheme, the prefabricated pulverizer body primarily pulverizes materials and then conveys the materials to the screening box, the blower blows small-particle materials into the return pipe, and then the small-particle materials are conveyed into the jet pulverizer body to be subjected to jet milling; large-particle materials are accumulated in the screening box under the action of gravity, the blanking part can open the plugging plate to convey large-particle materials to the circulating part, the circulating part can convey the materials accumulated in the screening box back to the prefabricated pulverizer body for secondary crushing, and the blanking part closes the plugging plate again in the process, so that the influence of the circulating part on airflow in the screening box can be reduced; the filter screen can prevent large-particle materials from entering the return pipe; thereby this application can be selected the tiny particle material that is fit for the fluid energy mill body, then send into the tiny particle material into the fluid energy mill body again, and the large granule material that is not fit for the fluid energy mill body is then smashed by the circulation and is the tiny particle material.

Preferably, the circulating part comprises a circulating pipe and a circulating fan, the feeding end of the circulating pipe is connected with the bottom end of the screening box, the discharging end of the circulating pipe is connected with the feeding end of the prefabricated pulverizer body, and the circulating fan is installed on the circulating pipe.

By adopting the technical scheme, the materials in the screening box enter the circulating pipe, the circulating fan box blows air in circulation, and the air flow can convey the materials in the circulating pipe to the prefabricated pulverizer body.

Preferably, the unloading piece includes plugging block, flexible arm and connecting rod, the one end of connecting rod and the diapire fixed connection of shutoff board, the one end that the shutoff board was kept away from to the connecting rod is connected with the periphery wall of flexible arm, the feed opening has been seted up on the shutoff board, the flexible end of flexible arm is towards the feed opening, the flexible end of flexible arm and the bottom fixed connection of plugging block, the one end that flexible arm was kept away from to the plugging block is the arc, the maximum diameter of plugging block is not less than the bore of feed opening.

By adopting the technical scheme, the telescopic arm extends, the blocking block can completely close the feed opening, the materials in the screening box cannot be conveyed to the circulating piece at the moment, the influence of the circulating piece on the airflow in the screening box is reduced, and small-particle materials in the materials above the blocking plate can be smoothly blown into the discharge pipe; the telescopic arm is shortened, the blocking block is far away from the feed opening, and the materials in the screening box can enter the circulating piece at the moment.

Preferably, flexible arm includes telescopic cylinder, telescopic link and driving piece, the telescopic link slides along length direction and sets up on telescopic cylinder's internal perisporium, the inside bottom of telescopic cylinder is equipped with the inner chamber, the one end and the blocking piece fixed connection of telescopic link, the one end that the blocking piece was kept away from to the telescopic link stretches into the inner chamber, the intracavity including the driving piece sets up, the driving piece includes screw rod, first motor, spiral ring and carriage release lever, the screw rod rotates and installs on the lateral wall of inner chamber, first motor is installed on the lateral wall of inner chamber, the one end fixed connection of first motor and screw rod, the spiral ring has two and screw thread opposite direction, two spiral ring threaded connection is in the both sides of screw rod, the carriage release lever articulates between spiral ring and telescopic link.

By adopting the technical scheme, the first motor drives the screw rod to rotate, and the spiral ring cannot rotate on the screw rod because the spiral ring is hinged with the movable rod which is hinged with the telescopic rod, so that the spiral ring can perform thread feeding relative to the screw rod; the screw threads of the two spiral rings are opposite in direction, so that the two spiral rings slide in opposite directions, when the two spiral rings approach each other, the movable rod is hinged with the spiral rings and the telescopic rod, so that the movable rod is gradually vertical from the inclination, the telescopic rod slides in the direction approaching the plugging plate under the support of the movable rod, and the plugging block gradually approaches the plugging plate and finally completely plugs the discharge hole; the second motor rotates reversely, and the blocking block can be far away from the feed opening, so that the material in the screening box can be controlled to enter the circulating piece.

Preferably, the pivot is installed to the screening incasement rotation, fixed mounting has the blade of stirring on the periphery wall of pivot, the lateral wall of screening case is stretched out to the one end of pivot, fixed mounting has the second motor on the lateral wall of screening case, second motor and pivot fixed connection.

Through adopting above-mentioned technical scheme, the pivot drives and turns over the blade rotation, can turn up the material of piling up on the shutoff board to make the tiny particle material fully blown in the discharging pipe by the air current.

Preferably, an exhaust fan is arranged at one end, close to the screening box, of the discharge pipe, and the outer peripheral wall of the exhaust fan is connected with the inner peripheral wall of the discharge pipe.

Through adopting above-mentioned technical scheme, air current in the screening incasement can be strengthened in air exhauster and the cooperation of hair-dryer, is favorable to fully inhaling the material in the discharging pipe.

Preferably, be equipped with the logical groove of being connected on the lateral wall that screening case and discharging pipe are connected, the cell wall fixed connection of discharging pipe and logical groove of being connected, the connection is led to the groove and is equipped with the draw-in groove along the week of cell wall, it leads to the groove to be provided with the pull that extends to the draw-in groove on the lateral wall of screening case, the groove wall that the pull leads to the groove is slided and is provided with the pull handle, the one end and the filter screen of pull handle are connected, the lateral wall of filter screen and the cell wall butt of.

By adopting the technical scheme, the filter screen can be drawn out from the connecting through groove by pulling the drawing handle, so that the filter screen is convenient to clean or replace; the clamping groove is beneficial to relatively and hermetically connecting the connecting part of the groove wall of the through groove and the side wall of the filter screen, and the situation that materials enter the discharging pipe from a gap is reduced.

Preferably, the discharge end fixedly connected with of prefabricated rubbing crusher body gathers materials the case, the discharge end of gathering materials the case and the feed end fixed connection of inlet pipe.

Through adopting above-mentioned technical scheme, the case that gathers materials can be stored preliminary kibbling material, reduces a large amount of materials and inputs the condition emergence that the inlet pipe caused the inlet pipe to block up.

Preferably, the feeding end of the jet mill body is fixedly connected with a pre-storage box, and the feeding end of the pre-storage box is fixedly connected with the discharging end of the discharging pipe.

Through adopting above-mentioned technical scheme, prestore the case and can store the material in advance for the jet mill body during operation all has comminuted always, is favorable to improving the work efficiency of jet mill body.

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

1. the screening box, the blower and the filter screen are arranged, small-particle materials which are suitable for the jet mill body in the materials can be screened out through the matching of the blower and the filter screen, and large-particle materials and small-particle materials are separated;

2. the sealing plate, the circulating piece and the blanking piece are arranged, the blanking plate can be controlled to be opened and closed through operation of the blanking piece, so that materials in the screening box are conveyed into the circulating piece, and the circulating piece can convey the materials back to the prefabricated pulverizer body to be pulverized again;

3. this application sets up the pivot, turns over blade and second motor, through second motor drive pivot with turn over the blade and rotate, can turn up the material of piling up on the shutoff board for the tiny particle material is fully blown in the discharging pipe by the air current.

Drawings

FIG. 1 is a schematic view showing the structure of a jet mill for preparing a high tinting strength pigment according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a blanking member according to an embodiment of the present application.

FIG. 3 is a top view of an air jet milling apparatus for preparing high tinctorial strength pigments in accordance with an embodiment of the present disclosure.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is an enlarged view of B in fig. 4.

Fig. 6 is an enlarged view taken at C in fig. 4.

Description of reference numerals: 1. prefabricating a pulverizer body; 11. a material collecting box; 2. a jet mill body; 21. pre-storing the box; 3. a screen assembly; 31. screening the box; 311. a plugging plate; 3111. a feeding port; 312. blanking parts; 3121. a plugging block; 3122. a connecting rod; 313. a rotating shaft; 3131. turning over the blades; 314. a second motor; 315. connecting the through grooves; 3151. a card slot; 3152. a drawing through groove; 316. a pull handle; 32. a blower; 33. a feed pipe; 331. a feed valve; 34. a discharge pipe; 341. filtering with a screen; 342. an exhaust fan; 35. a circulating member; 351. a circulation pipe; 352. a circulating fan; 4. a telescopic arm; 41. a telescopic cylinder; 411. an inner cavity; 42. a telescopic rod; 43. a drive member; 44. a screw; 45. a first motor; 46. a spiro ring; 47. the rod is moved.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses preparation high tinting strength is air current reducing mechanism for pigment.

Referring to fig. 1 and 2, the jet mill apparatus for preparing high tinctorial strength pigment includes a prefabricated mill body 1, a jet mill body 2, and a screen assembly 3, the screen assembly 3 including a screening box 31, a blower 32, a feed pipe 33, a discharge pipe 34, and a circulation member 35; one end of the feeding pipe 33 is integrally connected with the side wall of the top end of the screening box 31, one end of the feeding pipe 33, which is far away from the screening box 31, is fixedly connected with the discharging end of the prefabricated pulverizer body 1, one end of the feeding pipe 33, which is close to the screening box 31, is provided with a feeding valve 331, and the feeding valve 331 can be an electric discharging valve; one end of the discharge pipe 34 is integrally connected with the side wall of the horizontal end of the screening box 31, a filter screen 341 is arranged on the side wall of the screening box 31 connected with the discharge pipe 34, and the filter screen 341 completely blocks the feed end of the discharge pipe 34; the blower 32 is fixedly installed at an end of the classifying box 31 remote from the discharging pipe 34, and the feeding ends of the blower 32 and the discharging pipe 34 are horizontally opposed.

Referring to fig. 1 and 2, one end of the circulating member 35 is fixedly connected to the side wall of the opening at the bottom end of the sieving box 31, one end of the circulating member 35, which is far away from the sieving box 31, is fixedly connected with the feeding end of the prefabricated pulverizer body 1, and the circulating member 35 is used for conveying large-particle materials back to the prefabricated pulverizer body 1 for re-pulverization; a blocking plate 311 is arranged in the screening box 31, the blocking plate 311 is integrally connected with the inner peripheral wall of the screening box 31, the blocking plate 311 is used for blocking the communication position of the screening box 31 and the circulating piece 35, and the blocking plate 311 is positioned at the feed end of the discharge pipe 34 and below the horizontal plane where the blower 32 is positioned; the blanking part 312 is arranged on the blocking plate 311, and the blanking part 312 is used for conveying materials to the circulating part 35.

After the material is primarily crushed in the prefabricated crusher body 1, the material enters the feeding pipe 33 from the discharging end of the prefabricated crusher body 1, the blower 32 is started and adjusted to proper power, then the feeding valve 331 is opened, and the material enters the screening box 31 from the top end of the screening box 31; the material falls from the top to the bottom of the screening box 31 due to the gravity, in the process, the blower 32 blows continuously from one side, and the blower 32 can only blow particles with the particle size smaller than a set value, and the particles larger than the particle size fall onto the blocking plate 311 at the bottom of the screening box 31; the material particles blown by the blower 32 enter the discharge pipe 34 along the air flow, the large-particle material is blocked by the filter screen 341 and left in the screening box 31, and the screened material is conveyed to the jet mill body 2 along the discharge pipe 34 by the air flow for jet milling; the feed valve 331 is closed and the blanking member 312 is operated, and the large granular materials remaining in the sieving box 31 enter the circulating member 35 from the bottom end of the sieving box 31, and the circulating member 35 sends the materials back to the pre-pulverizer body 1 to be pulverized again.

Referring to fig. 3 and 4, the circulating member 35 includes a circulating pipe 351 and a circulating fan 352, one end of the circulating pipe 351 is integrally connected with the side wall of the opening at the bottom end of the screening box 31, and one end of the circulating pipe 351, which is far away from the screening box 31, is fixedly connected with the feeding end of the prefabricated pulverizer body 1; the circulating fan 352 is fixedly installed on the pipe wall of the circulating pipe 351 near one end of the screening box 31. Then the blanking part 312 is opened, the large-particle materials left in the screening box 31 enter the circulating pipe 351, and then the blanking part 312 is closed; starting the circulating fan 352, blowing air into the circulating pipe 351 by the circulating fan 352 to form air flow, and conveying large-particle materials into the prefabricated pulverizer body 1 to be pulverized again by the air flow along the circulating pipe 351; during this process, material is not blown back into the screen box 31 because the blanking member 312 is closed.

Referring to fig. 4 and 5, the blanking member 312 includes a blocking block 3121, a telescopic arm 4 and a connecting rod 3122, a blanking port 3111 is opened on the blocking plate 311, one end of the connecting rod 3122 is riveted with an outer wall of the telescopic arm 4, one end of the connecting rod 3122 away from the telescopic arm 4 is riveted with a bottom wall of the blocking plate 311, the telescopic arm 4 is located between the blocking plate 311 and the bottom wall of the sieving box 31, and a telescopic end of the telescopic arm 4 faces the blanking port 3111; one side of the blocking block 3121 is the arc, and one side that the blocking block 3121 is relative with the arcwall face is connected with the flexible end an organic whole of flexible arm 4, and the maximum diameter of blocking block 3121 is greater than the bore of feed opening 3111. When the telescopic arm 4 extends, the blocking block 3121 slides towards the direction close to the blocking plate 311 and blocks the blanking port 3111; when the telescopic arm 4 is shortened, the blocking block 3121 is far away from the blocking plate 311, so that the feed opening 3111 is opened, and the material in the sieving box 31 can enter the circulation pipe 351 from the feed opening 3111.

Referring to fig. 4 and 5, the telescopic arm 4 includes a telescopic cylinder 41, a telescopic rod 42 and a driving member 43, an inner cavity 411 is provided at the bottom end inside the telescopic cylinder 41, one end of the telescopic rod 42 is integrally connected with the blocking block 3121, one end of the telescopic rod 42 far away from the blocking block 3121 extends into the inner cavity 411, the outer peripheral wall of the telescopic rod 42 is slidably abutted to the inner peripheral wall of the telescopic cylinder 41, and the telescopic rod 42 is slidably slid along the length direction of the telescopic cylinder 41; the driving piece 43 is arranged in the inner cavity 411, and the driving piece 43 comprises a screw 44, a first motor 45, a spiral ring 46 and a movable rod 47; the first motor 45 is fixedly arranged on the side wall of the inner cavity 411, the rotating end of the first motor 45 is fixedly connected with one end of the screw rod 44, and one end of the screw rod 44 far away from the first motor 45 is rotatably connected on the side wall of the inner cavity 411; the screw rings 46 are provided with two screw threads in opposite directions, the two screw rings 46 are sleeved on two sides of the screw rod 44 and are in threaded connection with the outer wall of the screw rod 44, the two screw rings 46 are hinged to the movable rod 47, and one end, far away from the screw rings 46, of the movable rod 47 is hinged to one end, extending into the inner cavity 411, of the telescopic rod 42.

Starting the first motor 45, wherein the first motor 45 drives the screw 44 to rotate, so that thread feeding occurs between the two spiral rings 46 and the screw 44, and the two spiral rings 46 slide towards opposite directions and approach each other; therefore, the two moving rods 47 are gradually vertical from the inclined state, and then the distance between the telescopic rod 42 and the screw 44 is increased, that is, the telescopic rod 42 slides along the inner wall of the telescopic cylinder 41 towards the direction of the blocking plate 311, so that the blocking block 3121 gradually approaches the blocking plate 311 and finally blocks the feed opening 3111; first motor 45 counter-rotating, then screw rod 44 reverses, thereby two volutes 46 keep away from each other, and then shift lever 47 inclines gradually from vertical, and shift lever 47 supports telescopic link 42 and is close plugging plate 3121, and the distance between telescopic link 42 and the screw rod 44 shortens, thereby telescopic link 42 drives plugging block 3121 and keeps away from plugging plate 311, and feed opening 3111 opens this moment, and the material flows into in circulating pipe 351 from feed opening 3111.

Referring to fig. 4, in order to sufficiently sieve the materials remaining in the sieving box 31, a rotating shaft 313 is rotatably installed in the sieving box 31, the rotating shaft 313 is located between the blocking plate 311 and the horizontal plane of the blower 32, one end of the rotating shaft 313 extends out of the side wall of the sieving box 31, and a turning vane 3131 is integrally connected to the peripheral wall of the rotating shaft 313; the side wall of the screening box 31 is fixedly provided with a second motor 314, the driving end of the second motor 314 is fixedly connected with one end of the rotating shaft 313 extending out of the screening box 31, and the second motor 314 is used for driving the rotating shaft 313 to rotate. The second motor 314 is started, and the second motor 314 drives the rotating shaft 313 to rotate, so that the flap 3131 rotates and flaps the material accumulated on the blocking block 3121, and thus the small particle material is fully introduced into the material discharge pipe 34 under the blowing of the air flow.

Referring to fig. 4, in order to smoothly suck the material in the sieving box 31 into the discharge pipe 34, an exhaust fan 342 is provided at an end of the discharge pipe 34 close to the sieving box 31, the exhaust fan 342 is located in the discharge pipe 34, and an outer circumferential wall of the exhaust fan 342 is fixedly connected to an inner circumferential wall of the discharge pipe 34. The exhaust fan 342 is started, the exhaust fan 342 sucks the gas in the sieving box 31 into the discharge pipe 34, and then the exhaust fan 342 cooperates with the blower 32 to increase the flow rate of the gas flow, so that the material is smoothly sucked into the discharge pipe 34 and finally conveyed to the jet mill body 2 for gas flow crushing.

Referring to fig. 4, in order to reduce the blockage of the material feeding pipe 33, the material collecting box 11 is fixedly installed at the discharging end of the prefabricated pulverizer body 1, and the discharging end of the material collecting box 11 is integrally connected with the feeding end of the material feeding pipe 33; in order to improve the work efficiency of the jet mill body 2, the feed end of the jet mill body 2 is fixedly connected with the pre-storage box 21, the discharge end of the pre-storage box 21 is provided with an electric discharge valve, and the feed end of the pre-storage box 21 is integrally connected with the discharge end of the discharge pipe 34. Materials enter the material collecting box 11 from the discharging end of the prefabricated pulverizer body 1 and are stored in the material collecting box 11, the material inlet valve 331 is opened, and the materials can enter the material inlet pipe 33 and are conveyed to the screening box 31 for screening; conveying the screened materials to a pre-storage box 21 along a discharge pipe 34 by air flow for storage, starting the air flow crusher body 2 after enough materials are stored, opening an electric discharge valve at the discharge end of the pre-storage box 21, and conveying all the materials in the pre-storage box 21 to the air flow crusher body 2; after the material is smashed by whole air current, can close fluid energy mill body 2 for fluid energy mill body 2 all has the comminuted always during operation, has improved fluid energy mill body 2's work efficiency.

Referring to fig. 6, in order to facilitate cleaning or replacing the filter screen 341, a connecting through groove 315 is formed in a side wall of the sieving box 31 connected to the discharge pipe 34, and the discharge pipe 34 is integrally connected to a wall of the connecting through groove 315; a clamping groove 3151 is circumferentially arranged on the groove wall of the connecting through groove 315, and the clamping groove 3151 surrounds the connecting through groove 315 for a circle; a drawing through groove 3152 extending to the clamping groove 3151 is formed in the side wall of the top end of the screening box 31, the filter screen 341 is inserted into the clamping groove 3151 and is positioned by friction with the groove wall of the clamping groove 3151, the side wall of the filter screen 341 is in sliding contact with the groove wall of the drawing through groove 3152, a drawing handle 316 is arranged on the groove wall of the drawing through groove 3152, the bottom end of the drawing handle 316 is fixedly connected with the filter screen 341, and the top end of the drawing handle 316 extends out of the top end of the side wall of the screening box 31 from the notch of the drawing through groove 31.

The drawing handle 316 is pushed towards the bottom end of the screening box 31, the filter screen 341 slides along the groove wall of the drawing through groove 3152 and finally slides into the clamping groove 3151, the side wall of the filter screen 341 is abutted against the groove wall of the clamping groove 3151, the filter screen 341 completely blocks the connecting through groove 315 at the moment, and the air flow connecting through groove 315 penetrates through the filter screen 341 and enters the discharge pipe 34; when the pulling handle 316 is pulled toward the top end of the sieving box 31, the filter mesh 341 slides along the walls of the pulling through groove 3152 and is finally pulled out of the pulling through groove 3152, and the filter mesh 341 can be cleaned or replaced and then inserted into the pulling through groove 3152, thereby completing the replacement.

The implementation principle of the airflow crushing device for preparing the high-tinting-strength pigment in the embodiment of the application is as follows:

start prefabricated rubbing crusher body 1, carry the material to preliminary crushing in the prefabricated rubbing crusher body 1, the material after smashing is carried and is stored in the case 11 that gathers materials, and feed valve 331 opens once every a period according to the instruction to open at every turn in proper amount of material can get into screening case 31 along inlet pipe 33.

Starting the blower 32, the exhaust fan 342 and the second motor 314, the material falls from the top end of the screening box 31 to the blocking plate 311 at the bottom end, and in the process, material particles with smaller particle size are blown to the discharge pipe 34 by airflow; the air flow carrying the material enters the connecting through groove 315 firstly, and enters the discharging pipe 34 after passing through the filter screen 341, and the material with larger particles is blocked in the screening box 31 by the filter screen 341; meanwhile, the second motor 314 drives the rotating shaft 313 to rotate, and the turning blade 3131 turns up the material stacked on the plugging plate 311, so that small particle materials mixed in the material are blown to the discharge pipe 34 by the airflow; the material flow entering the material outlet pipe 34 is conveyed to the pre-storage box 21 by the gas flow for storage; when sufficient material is stored in the pre-storage tank 21, the electric discharge valve at the discharge end of the pre-storage tank 21 is opened, and the material in the pre-storage tank 21 is conveyed into the jet mill body 2 for jet milling.

After the screening in the screening box 31 is finished, the first motor 45 is started, the first motor 45 drives the screw 44 to rotate, so that the two spiral rings 46 are far away from each other, the telescopic rod 42 slides towards the bottom wall of the inner cavity 411 under the driving of the moving rod 47, then the blocking block 3121 is far away from the feed opening 3111, and the material accumulated on the blocking plate 311 enters the circulating pipe 351 from the feed opening 3111; the first motor 45 is reversely rotated, and the blocking block 3121 blocks the feed opening 3111 again; the circulation fan 352 is then activated, and the material is air-conveyed along the circulation pipe 351 into the pre-fabricated pulverizer body 1 to be pulverized again.

When the filter screen 341 needs to be cleaned or replaced, the pulling handle 316 is pulled to pull the filter screen 341 out of the pulling through groove 3152, the filter screen 341 is cleaned and replaced, and then the filter screen 341 is inserted into the pulling through groove 3152 again, the pulling handle 316 is pushed to push the filter screen 341 into the clamping groove 3151 and is clamped with the groove wall of the clamping groove 3151, and the replacement is completed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A jet milling device for preparing high tinting strength pigment is characterized in that: including prefabricated rubbing crusher body (1), fluid energy mill body (2) and screening subassembly (3), screening subassembly (3) are including screening case (31), hair-dryer (32), inlet pipe (33), discharging pipe (34) and circulation piece (35), inlet pipe (33) are connected between the top of screening case (31) and the discharge end of prefabricated rubbing crusher body (1), be provided with feed valve (331) on inlet pipe (33), discharging pipe (34) are connected between the horizontal one end of screening case (31) and the feed end of fluid energy mill body (2), be equipped with filter screen (341) on the lateral wall that screening case (31) and discharging pipe (34) are connected, circulation piece (35) are connected between the bottom of screening case (31) and the feed end of prefabricated rubbing crusher body (1), be equipped with shutoff board (311) on the internal perisporium of screening case (31), the shutoff board (311) are located discharging pipe (34) and screening case (31) junction below, be equipped with down material spare (312) on shutoff board (311), screening case (31) are kept away from the one end and hair-dryer (32) fixed connection of discharging pipe (34), hair-dryer (32) are relative with the feed end of discharging pipe (34).

2. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: the circulating part (35) comprises a circulating pipe (351) and a circulating fan (352), the feeding end of the circulating pipe (351) is connected with the bottom end of the screening box (31), the discharging end of the circulating pipe (351) is connected with the feeding end of the prefabrication grinder body (1), and the circulating fan (352) is installed on the circulating pipe (351).

3. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: unloading spare (312) are including shutoff piece (3121), flexible arm (4) and connecting rod (3122), the one end of connecting rod (3122) and the diapire fixed connection of shutoff board (311), the one end of shutoff board (311) is kept away from in connecting rod (3122) is connected with the periphery wall of flexible arm (4), feed opening (3111) has been seted up on shutoff board (311), flexible end towards feed opening (3111) of flexible arm (4), the flexible end of flexible arm (4) and the bottom fixed connection of shutoff piece (3121), the one end that flexible arm (4) were kept away from in shutoff piece (3121) is the arc, the maximum diameter of shutoff piece (3121) is not less than the bore of feed opening (3111).

4. The jet mill apparatus for producing a high tinting strength pigment according to claim 3, wherein: telescopic arm (4) includes telescopic cylinder (41), telescopic link (42) and driving piece (43), telescopic link (42) slide along length direction and set up on the internal perisporium of telescopic cylinder (41), telescopic cylinder (41) inside bottom is equipped with inner chamber (411), the one end and the blocking piece (3121) fixed connection of telescopic link (42), the one end that blocking piece (3121) was kept away from in telescopic link (42) stretches into inner chamber (411), driving piece (43) set up in inner chamber (411), driving piece (43) include screw rod (44), first motor (45), spiro (46) and carriage release lever (47), screw rod (44) rotate to be installed on the lateral wall of inner chamber (411), first motor (45) are installed on the lateral wall of inner chamber (411), the one end fixed connection of first motor (45) and screw rod (44), spiro (46) have two and screw thread opposite direction, the two spiral rings (46) are in threaded connection with two sides of the screw rod (44), and the movable rod (47) is hinged between the spiral rings (46) and the telescopic rod (42).

5. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: rotating shaft (313) are installed to screening case (31) internal rotation, fixed mounting has blade (3131) that turn on the periphery wall of rotating shaft (313), the lateral wall of screening case (31) is stretched out to the one end of rotating shaft (313), fixed mounting has second motor (314) on the lateral wall of screening case (31), second motor (314) and rotating shaft (313) fixed connection.

6. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: one end of the discharge pipe (34) close to the screening box (31) is provided with an exhaust fan (342), and the outer peripheral wall of the exhaust fan (342) is connected with the inner peripheral wall of the discharge pipe (34).

7. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: be equipped with on the lateral wall that screening case (31) and discharging pipe (34) are connected and connect logical groove (315), discharging pipe (34) and the cell wall fixed connection who is connected logical groove (315), it is equipped with draw-in groove (3151) on the circumference along the cell wall to connect logical groove (315), be provided with the pull that extends to draw-in groove (3151) on the lateral wall of screening case (31) and lead to groove (3152), the groove wall that the pull leads to groove (3152) is gone up and is slided and is provided with pull handle (316), the one end and the filter screen (341) of pull handle (316) are connected, the lateral wall of filter screen (341) and the cell wall butt that slides of draw-in groove (3151).

8. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: the discharge end fixedly connected with of prefabricated rubbing crusher body (1) case (11) that gathers materials, the discharge end of case (11) that gathers materials and the feed end fixed connection of inlet pipe (33).

9. The jet mill apparatus for producing a high tinting strength pigment according to claim 1, wherein: the feeding end fixedly connected with of jet mill body (2) prestores case (21), the feeding end of prestore case (21) and the discharge end fixed connection of discharging pipe (34).

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