CN111686911A

CN111686911A - Hyperfine preparation method of nano-scale coating

Info

Publication number: CN111686911A
Application number: CN202010576728.4A
Authority: CN
Inventors: 魏海清; 刘群; 宋振刚
Original assignee: Zibo Jinrui Nano Material Technology Co ltd
Current assignee: Zibo Jinrui Nano Material Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2020-09-22

Abstract

The invention relates to the technical field of preparation of nano-scale coatings, in particular to a superfine preparation method of a nano-scale coating, which comprises the following steps: crushing the feed; step two: fine grinding; step three: punching and fine grinding; step four: the material is filtered and discharged, and the beneficial effects are as follows: according to the invention, through the three-layer step-by-step crushing, the coating is fully ground, so that the quality of the nano-scale coating is improved, the production cost is greatly reduced, the purpose of continuous mass production is realized, and the grinding efficiency is improved; all set up the filter screen through the centre of breaking step by step to realize multistage quality testing, improved ejection of compact qualification rate greatly, utilize the mode of automatic blanking simultaneously, thereby realize convenient grinding operation.

Description

Hyperfine preparation method of nano-scale coating

Technical Field

The invention relates to the technical field of preparation of nano-scale coatings, in particular to a superfine preparation method of a nano-scale coating.

Background

Due to the small size effect, the surface effect, the quantum size effect, the macroscopic quantum tunneling effect and the like of the nano particles, the nano particles have the characteristics which are not possessed by the conventional materials in the aspects of magnetism, light, electricity, sensitivity and the like, so the nano particles have wide application prospects in the aspects of sintering, catalysis, sensing, ceramic toughening and the like of magnetic materials, electronic materials, optical materials and high-density materials.

In the production process of the nano-scale coating, due to the problems of the preparation method, more internal impurities are caused, and a large amount of large particles which are not qualified by grinding and crushing are mixed in the nano-scale particles, so that the quality of the nano-scale coating is reduced.

Therefore, the superfine preparation method of the nano-scale coating is provided, and the problems of the quality and the production cost of the nano-scale coating are solved.

Disclosure of Invention

The invention aims to provide a superfine preparation method of a nano-scale coating, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a hyperfine preparation method of nano-scale paint mainly comprises the following steps:

the method comprises the following steps: feeding and crushing, wherein the crushed and ground finished coating needs to be used in a crushing box, the blocky coating is firstly loaded into the upper end of a grinding inner cavity of the crushing box through a feeding hopper, a first crushing roller set and a second crushing roller set are driven to rotate through a driving motor, and then small-particle coating is obtained through crushing and extrusion of crushing fan blades;

step two: fine grinding, namely screening and filtering the small-particle paint in the step one through a coarse filter screen, dropping the filtered raw material on a grinding plate, and realizing rolling grinding of the small-particle paint through rotation of a grinding roller at the upper end of the grinding plate so as to obtain powdery paint;

step three: fine grinding by stamping, namely dropping the powder coating obtained in the step two into a pressure bearing frame through a transfer inner cavity, and performing fine grinding on the powder coating by stamping through a stamping cylinder and a stamping head to obtain a nanoscale coating;

step four: the ejection of compact is filtered, through the punching force in step four to the realization is to buffer spring's extrusion, through buffer spring's elasticity that resets, makes the extrusion throw to the centre at the nanometer coating of bearing frame inner wall, and the multilayer of discharging pipe filters, realizes the quick ejection of compact of nanometer coating.

Preferably, in the first step, the inner cavity of the crushing box is set as a grinding inner cavity, a feeding hopper is installed on a vertical plug screw in the middle of the upper end face of the crushing box, a discharging pipe is vertically plugged in the middle of the lower end face of the crushing box, a protective frame is vertically and fixedly welded on the inner wall of the upper end of the inner cavity of the grinding inner cavity, a grinding plate is transversely welded in the middle of the inner cavity of the grinding inner cavity, a pair of first crushing roller set and a pair of second crushing roller set which are bilaterally symmetrical are arranged in the inner cavity of the protective frame, a coarse strainer is arranged at the lower end of the protective frame, the first crushing roller set and the second crushing roller set are both composed of a pair of crushing rollers which are distributed in an inclined manner from top to bottom, crushing blades are sleeved on the outer walls of the first crushing roller set and the second crushing roller set, a grinding roller is arranged at, the lower extreme of transfer inner chamber is provided with the punching press support, the centre of punching press support is provided with fixed connection board, and the lower extreme of punching press support is provided with the pressure-bearing frame, be provided with down the silo between fixed connection board and the punching press support, be provided with the connecting rod between the inner wall of fixed connection board and lower silo, the vertical punching press cylinder of installing downwards of lower extreme of fixed connection board, the telescopic link lower extreme of punching press cylinder is provided with the punching press head, the lower extreme of silo under the upper end complete parcel of pressure-bearing frame, the vertical grafting has the discharging pipe in the middle of the lower extreme of pressure-bearing frame, and the ear seat is transversely installed to the left and right sides lower extreme outer wall of pressure-bearing frame, the ear seat cup joints in extension board upper end, the horizontal welding of extension board is.

Preferably, the gap between the first crushing roller group is larger than the gap between the second crushing roller group, and the upper end of the gap between the first crushing roller group and the second crushing roller group is opposite to the feeding hopper.

Preferably, the crushing roller in the first crushing roller group and the second crushing roller group is fixedly sleeved on the outer wall of the rotating shaft, the front end of the rotating shaft is provided with a driving motor, the upper rotating shaft of the first crushing roller group and the upper rotating shaft of the second crushing roller group are sleeved with driving gears, the outer wall of the lower rotating shaft of the first crushing roller group and the lower rotating shaft of the second crushing roller group is fixedly sleeved with driven gears, the driving gears are meshed with the driven gears and connected, and bearing covers are arranged at the front end and the rear end of the driven gears.

Preferably, the front end and the rear end of the grinding roller are sleeved with driving gears, racks are symmetrically and transversely mounted on the front side and the rear side of the grinding plate, the driving gears are meshed with the racks, and the rear end of the grinding roller is rotatably connected with a grinding motor.

Preferably, the upper end intercommunication open slot of transfer inner chamber, the middle inner chamber slope of transfer inner chamber is downward, and the lower extreme of transfer inner chamber is provided with thin filter screen, thin filter screen is located fixed connection board directly over.

Preferably, the vertical welding in upper end of extension board has the guide post, the ear seat slides and cup joints the outer wall at the guide post, and the upper end of ear seat is provided with stop nut, and the lower extreme of ear seat is provided with buffer spring.

Preferably, the buffer spring is sleeved on the outer wall of the guide post, the upper end of the buffer spring abuts against the lower end of the lug seat, and the lower end of the buffer spring abuts against the upper end face of the extension plate.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the three-layer step-by-step crushing, the coating is fully ground, so that the quality of the nano-scale coating is improved, the production cost is greatly reduced, the purpose of continuous mass production is realized, and the grinding efficiency is improved;

2. according to the invention, the filter screens are arranged in the middle of the step-by-step crushing, so that the multi-stage quality detection is realized, the discharging qualified rate is greatly improved, and meanwhile, the convenient grinding operation is realized by utilizing an automatic blanking mode.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a pressure-bearing frame according to the present invention;

FIG. 3 is a flow chart of the manufacturing process of the present invention;

fig. 4 is a front view of a second crushing roller set of the invention;

FIG. 5 is a top view of the punch holder of the present invention;

fig. 6 is a side view of the abrasive plate of the present invention.

In the figure: 1. a crushing box; 2. grinding the inner cavity; 3. a feed hopper; 4. a first crushing turning roll group; 5. a rotating shaft; 6. a second crushing turning roll group; 7. crushing fan blades; 8. a protective frame; 9. a driving gear; 10. a drive motor; 11. a driven gear; 12. a bearing cap; 13. coarse filtration; 14. a grinding plate; 15. a grinding roller; 16. a drive gear; 17. an open slot; 18. a transfer inner cavity; 19. a fine filter screen; 20. stamping a bracket; 21. fixing the connecting plate; 22. a discharging groove; 23. a connecting rod; 24. punching a cylinder; 25. a pressure bearing frame; 26. punching a head; 27. an ear mount; 28. a guide post; 29. a limit nut; 30. a buffer spring; 31. an extension plate; 32. a discharge pipe; 33. fine filtering; 34. grinding the motor; 35. a rack.

Detailed Description

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

Referring to fig. 1 to 6, the present invention provides a technical solution:

the method comprises the following steps: feeding and crushing, wherein a crushing box 1 is required to be used for crushing and grinding a finished coating, the blocky coating is firstly loaded into the upper end of a grinding inner cavity 2 of the crushing box 1 through a feeding hopper 3, a first crushing roller set 4 and a second crushing roller set 6 are driven to rotate through a driving motor 10, and then small-particle coatings are obtained through crushing and extrusion of crushing fan blades 7;

step two: fine grinding, namely screening and filtering the small-particle paint in the step one through a coarse filter 13, dropping the filtered raw material on a grinding plate 14, and rolling and grinding the small-particle paint through rotation of a grinding roller 15 at the upper end of the grinding plate 14 to obtain powdery paint;

step three: fine grinding by stamping, namely dropping the powder coating obtained in the step two into a pressure bearing frame 25 through a transfer inner cavity 18, and performing fine grinding on the powder coating by rapid stamping through a stamping cylinder 24 and a stamping head 26 to obtain a nano-scale coating;

step four: the ejection of compact is filtered, through the punching force in step four to the realization is to buffer spring 30's extrusion, through buffer spring 30's elasticity that resets, makes the extrusion throw to the centre at the nanometer coating of bearing frame 25 inner wall, and the multilayer of discharging pipe 32 filters, realizes the quick ejection of compact of nanometer coating.

The inner chamber of broken case 1 sets up to grinding inner chamber 2 in the step one, vertical grafting screw installs feed hopper 3 in the middle of the up end of broken case 1, the vertical fixed welding of inner chamber upper end inner wall of grinding inner chamber 2 has protecting frame 8, protecting frame 8's inner chamber is provided with the broken roller set 6 of a pair of first broken roller set 4 and the second of bilateral symmetry, the clearance between the broken roller set 4 of first broken roller is greater than the clearance between the broken roller set 6 of second, and the clearance upper end between the broken roller set 4 of first broken roller set and the broken roller set 6 of second is just to feed hopper 3, utilize feed hopper 3 to make accurate the falling between the broken roller set 4 of first broken roller set and the broken roller set 6 of second of coating of blocking.

First broken roller set 4 and the broken roller set 6 of second all constitute by a pair of broken roller that the slope distributes from top to bottom, and broken flabellum 7 has all been cup jointed to the outer wall of first broken roller set 4 and the broken roller set 6 of second, utilizes broken flabellum 7 to realize rotating the extrusion breakage to make the coating of blocking become little graininess.

The outer wall at pivot 5 is all fixed the cup joint to the broken roller in first broken roller set 4 and the broken roller set 6 of second, the front end of pivot 5 is provided with driving motor 10, driving gear 9 has all been cup jointed to the upper end pivot 5 of first broken roller set 4 and the broken roller set 6 of second, the outer wall of the lower extreme pivot 5 of first broken roller set 4 and the broken roller set 6 of second is fixed the cup joint and is had driven gear 11, driving gear 9 is connected with the meshing of driven gear 11, both ends are provided with bearing cap 12 around driven gear 11, utilize driving motor 10 to drive pivot 5 and rotate, thereby utilize pivot 5 to drive driving gear 9 and rotate, utilize the cooperation of driving gear 9 and driven gear 11, realize driving first broken roller set 4 and the relative rotation of the broken roller set 6 of second, reach the extrusion and rotate broken purpose.

The lower end of the protection frame 8 is provided with a coarse strainer 13, and primary filtration is realized by the coarse strainer 13.

Fixed horizontal welding has grinding plate 14 in the middle of the inner chamber of grinding inner chamber 2, grinding plate 14's upper end is provided with grinding roller 15, drive gear 16 has been cup jointed at both ends around grinding roller 15, rack 35 is transversely installed to bilateral symmetry around grinding plate 14, drive gear 16 is connected with rack 35 meshing, grinding roller 15's rear end rotates and is connected with grinding motor 34, utilize grinding motor 34 to drive gear 16 and grinding roller 15 and rotate, thereby utilize grinding roller 15 to realize the roll grinding, utilize the meshing between drive gear 16 and the rack 35, realize grinding roller 15's roll about, thereby realize carrying out abundant grinding to grinding plate 14 upper end, obtain powdered fine particle coating.

The right side of lapping plate 14 is provided with open slot 17, the lower extreme slope of open slot 17 is provided with transfer inner chamber 18, the lower extreme of transfer inner chamber 18 is provided with stamping support 20, the upper end intercommunication open slot 17 of transfer inner chamber 18, the middle inner chamber slope of transfer inner chamber 18 is downward, the lower extreme of transfer inner chamber 18 is provided with thin filter screen 19, thin filter screen 19 is located fixed connection board 21 directly over, utilize the cooperation of open slot 17 and transfer inner chamber 18, realize the station transportation of coating, utilize thin filter screen 19 to realize secondary filter's purpose.

The lower extreme of punching press support 20 is provided with and bears the pressure frame 25, and the centre of punching press support 20 is provided with fixed connection board 21, is provided with down silo 22 between fixed connection board 21 and the punching press support 20, is provided with connecting rod 23 between the inner wall of fixed connection board 21 and lower silo 22, utilizes silo 22 to make the accurate inner chamber that drops on bearing the pressure frame 25 of material down.

The vertical punching press cylinder 24 of installing downwards of lower extreme of fixed connection board 21, punching press cylinder 24's telescopic link lower extreme is provided with punching press head 26, holds the lower extreme of silo 22 under the upper end of pressing frame 25 wraps up completely, utilizes punching press cylinder 24 to drive punching press head 26 and descends the punching press, reaches the abundant extrusion impact of coating in falling and holding frame 25 for the coating of tiny granule punches to be powdered for the nanometer completely.

The outer walls of the lower ends of the left side and the right side of the pressure bearing frame 25 are transversely provided with lug seats 27, the lug seats 27 are sleeved at the upper end of an extension plate 31, the extension plate 31 is transversely welded on the inner wall of the lower end of the grinding inner cavity 2, the upper end of the extension plate 31 is vertically welded with a guide post 28, the lug seats 27 are slidably sleeved on the outer wall of the guide post 28, the upper end of the lug seats 27 is provided with a limit nut 29, the lower end of the lug seats 27 is provided with a buffer spring 30, the buffer spring 30 is sleeved on the outer wall of the guide post 28, the upper end of the buffer spring 30 is abutted against the lower end of the lug seats 27, the lower end of the buffer spring 30 is abutted against the upper end face of the extension plate 31, the vertical up-down stamping movement of the pressure, meanwhile, the paint adhered to the inner wall of the pressure bearing frame 25 is raised and dropped toward the middle to the upper end of the discharge pipe 32 by the return elastic force of the buffer spring 30.

Vertical grafting has discharging pipe 32 in the middle of the lower terminal surface of broken case 1, and vertical grafting has discharging pipe 32 in the middle of the lower extreme of bearing frame 25, and vertical linear distribution's three group's meticulous filter screens 33 are installed to discharging pipe 32's inner chamber, utilize the meticulous filter screen 33 of multilayer to realize carrying out filtration once more to coating to improve the qualification rate of the ejection of compact greatly.

The working principle is as follows: at first utilize feed hopper 3 to make accurate the falling of the coating of blocking between first broken roller set 4 and the broken roller set 6 of second, utilize driving motor 10 to drive pivot 5 and rotate, thereby utilize pivot 5 to drive driving gear 9 and rotate, utilize driving gear 9 and driven gear 11's cooperation, the realization drives first broken roller set 4 and the relative rotation of the broken roller set 6 of second, reach the broken purpose of extrusion rotation, utilize broken flabellum 7 to realize rotating the extrusion breakage, thereby make the coating of blocking become the tiny particle shape, utilize coarse strainer 13 to realize primary filtration.

Then utilize grinding motor 34 to drive gear 16 and grinding roller 15 and rotate to utilize grinding roller 15 to realize the roll grinding, utilize the meshing between drive gear 16 and the rack 35, realize the roll about grinding roller 15, thereby realize carrying out abundant grinding to grinding plate 14 upper end, obtain powdered fine particle coating, utilize the cooperation of open slot 17 and transfer inner chamber 18, realize the station transportation of coating, utilize fine filter screen 19 to realize secondary filter's purpose.

Utilize unloading silo 22 to make the material accurate fall on bearing frame 25 inner chamber, utilize punching press cylinder 24 to drive punching press head 26 decline punching press, reach and to falling on bearing the abundant extrusion impact of frame 25 internal coating for the coating of tiny granule is the powdered nanometer completely punching press.

Utilize the cooperation of ear seat 27 and guide post 28, realize bearing the vertical stamping motion from top to bottom of frame 25, utilize buffer spring 30 buffering punching press power, utilize buffer spring 30's elasticity that resets simultaneously for the adhesion is raised and is fallen to the upper end of discharging pipe 32 to the centre in bearing the coating of pressing the frame 25 inner wall, utilizes the meticulous filter screen 33 of multilayer to realize carrying out filtration once more to coating, thereby improves the qualification rate of the ejection of compact greatly.

Wherein, the driving motor 10 and the grinding motor 34 both adopt three-phase asynchronous motors which are common in the prior art; the stamping cylinder 24 adopts the following types: stroke cylinder of SCJ 80.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hyperfine preparation method of nano-scale paint is characterized by comprising the following steps: the preparation method mainly comprises the following steps:

the method comprises the following steps: feeding and crushing, wherein the crushed and ground finished coating needs to be used in a crushing box (1), the lumpy coating is firstly loaded into the upper end of a grinding inner cavity (2) of the crushing box (1) through a feeding hopper (3), a first crushing roller set (4) and a second crushing roller set (6) are driven to rotate through a driving motor (10), and then small-particle coating is obtained through crushing and extrusion of crushing fan blades (7);

step two: fine grinding, namely screening and filtering the small-particle paint in the step one through a coarse filter (13), dropping the filtered raw material on a grinding plate (14), and realizing rolling grinding on the small-particle paint through the rotation of a grinding roller (15) at the upper end of the grinding plate (14) so as to obtain powdery paint;

step three: fine grinding by stamping, namely dropping the powder coating obtained in the step two into a bearing frame (25) through a transfer inner cavity (18), and performing fine grinding by stamping through a stamping cylinder (24) and a stamping head (26) to obtain the nano-scale coating;

step four: the ejection of compact is filtered, through the punching force in step four to the realization is to buffer spring (30) extrusion, through buffer spring (30) elasticity that resets, makes the extrusion spill to the centre at the nanometer coating of bearing frame (25) inner wall, and the multilayer of discharging pipe (32) filters, realizes the quick ejection of compact of nanometer coating.

2. The hyperfine preparation method of a nanoscale coating according to claim 1, characterized in that: in the first step, an inner cavity of the crushing box (1) is set as a grinding inner cavity (2), a feeding funnel (3) is vertically inserted into the middle of the upper end face of the crushing box (1), a discharging pipe (32) is vertically inserted into the middle of the lower end face of the crushing box (1), a protective frame (8) is vertically and fixedly welded on the inner wall of the upper end of the inner cavity of the grinding inner cavity (2), a grinding plate (14) is fixedly and transversely welded in the middle of the inner cavity of the grinding inner cavity (2), a pair of first crushing roller set (4) and a second crushing roller set (6) which are bilaterally symmetrical are arranged in the inner cavity of the protective frame (8), a coarse filter screen (13) is arranged at the lower end of the protective frame (8), the first crushing roller set (4) and the second crushing roller set (6) are both composed of a pair of crushing rollers which are distributed in an inclined manner from top to bottom, and crushing blades (7) are sleeved on the outer walls of the, the grinding device is characterized in that a grinding roller (15) is arranged at the upper end of the grinding plate (14), an open slot (17) is formed in the right side of the grinding plate (14), a transfer inner cavity (18) is obliquely formed in the lower end of the open slot (17), a stamping support (20) is arranged at the lower end of the transfer inner cavity (18), a fixed connecting plate (21) is arranged in the middle of the stamping support (20), a pressure bearing frame (25) is arranged at the lower end of the stamping support (20), a blanking groove (22) is formed between the fixed connecting plate (21) and the stamping support (20), a connecting rod (23) is arranged between the fixed connecting plate (21) and the inner wall of the blanking groove (22), a stamping cylinder (24) is vertically and downwardly installed at the lower end of the fixed connecting plate (21), a stamping head (26) is arranged at the lower end of a telescopic rod of the stamping cylinder (24, the vertical grafting has discharging pipe (32) in the middle of the lower extreme of pressure bearing frame (25), and ear seat (27) are transversely installed to the left and right sides lower extreme outer wall of pressure bearing frame (25), ear seat (27) cup joint in extension board (31) upper end, the lower extreme inner wall of grinding inner chamber (2) is transversely welded in extension board (31), meticulous filter screen (33) of three groups of vertical linear distribution are installed to the inner chamber of discharging pipe (32).

3. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the gap between the first crushing roller set (4) is larger than the gap between the second crushing roller set (6), and the upper end of the gap between the first crushing roller set (4) and the second crushing roller set (6) is over against the feeding hopper (3).

4. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the outer wall in pivot (5) is all fixed the cup jointing to broken roller in first broken roller set (4) and the broken roller set of second (6), the front end of pivot (5) is provided with driving motor (10), and driving gear (9) have all been cup jointed in upper end pivot (5) of first broken roller set (4) and the broken roller set of second (6), and the outer wall of the lower extreme pivot (5) of first broken roller set (4) and the broken roller set of second (6) is fixed the cup jointing and is had driven gear (11), driving gear (9) are connected with driven gear (11) meshing, both ends are provided with bearing cap (12) around driven gear (11).

5. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the grinding roller is characterized in that driving gears (16) are sleeved at the front end and the rear end of the grinding roller (15), racks (35) are transversely installed on the front side and the rear side of the grinding plate (14) in a symmetrical mode, the driving gears (16) are meshed with the racks (35) and connected, and the grinding motor (34) is connected to the rear end of the grinding roller (15) in a rotating mode.

6. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the upper end intercommunication open slot (17) of transfer inner chamber (18), the slope of the middle inner chamber of transfer inner chamber (18) is downward, and the lower extreme of transfer inner chamber (18) is provided with thin filter screen (19), thin filter screen (19) are located fixed connection board (21) directly over.

7. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the vertical welding in upper end of extension board (31) has guide post (28), ear seat (27) slip cup joint the outer wall at guide post (28), and the upper end of ear seat (27) is provided with stop nut (29), and the lower extreme of ear seat (27) is provided with buffer spring (30).

8. The hyperfine preparation method of a nanoscale coating according to claim 2, characterized in that: the buffer spring (30) is sleeved on the outer wall of the guide post (28), the upper end of the buffer spring (30) abuts against the lower end of the lug seat (27), and the lower end of the buffer spring (30) abuts against the upper end face of the extension plate (31).