CN113499630B - Preparation process of polyurethane water-based paint - Google Patents
Preparation process of polyurethane water-based paint Download PDFInfo
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- CN113499630B CN113499630B CN202110777661.5A CN202110777661A CN113499630B CN 113499630 B CN113499630 B CN 113499630B CN 202110777661 A CN202110777661 A CN 202110777661A CN 113499630 B CN113499630 B CN 113499630B
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- coating
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- 239000003973 paint Substances 0.000 title claims abstract description 61
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 55
- 239000004814 polyurethane Substances 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 32
- 238000000576 coating method Methods 0.000 claims abstract description 104
- 239000011248 coating agent Substances 0.000 claims abstract description 100
- 238000001914 filtration Methods 0.000 claims abstract description 98
- 238000009434 installation Methods 0.000 claims abstract description 88
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 8
- 238000007790 scraping Methods 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 230000009467 reduction Effects 0.000 claims description 13
- 238000000926 separation method Methods 0.000 claims description 11
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 3
- 239000002994 raw material Substances 0.000 description 16
- 238000003756 stirring Methods 0.000 description 11
- 230000001681 protective effect Effects 0.000 description 10
- 239000002245 particle Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010009 beating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/02—Combinations of filters of different kinds
Abstract
The invention relates to a preparation process of a polyurethane water-based paint, which uses a preparation device of the polyurethane water-based paint, and the device comprises an installation box, a throwing-even mechanism, a primary filtering mechanism, a secondary filtering mechanism, a separating mechanism and a material receiving box, wherein the installation box is of a cylindrical hollow structure, the throwing-even mechanism is arranged at the upper end of the installation box, the primary filtering mechanism is arranged at the upper side of the installation box, the separating mechanism is arranged in the installation box at the lower side of the primary filtering mechanism, the secondary filtering mechanisms are circumferentially arranged at the outer side of the installation box and are connected with the material receiving box, a driving motor is arranged in the middle of the lower end surface of the installation box, and an installation frame is arranged at the lower side of the installation box; when the polyurethane water-based paint preparation equipment is adopted to prepare the polyurethane water-based paint, the preparation method comprises the following steps: s1, pouring the paint; s2, uniformly throwing the coating; s3, filtering the coating; s4, separating the coating; s5, filtering again; and S6, blending the coating.
Description
Technical Field
The invention relates to the technical field of paint preparation, in particular to a preparation process of a polyurethane water-based paint.
Background
The polyurethane water-based paint is a waterproof material, has excellent mechanical properties such as high strength, high hardness, excellent fatigue resistance, good flexibility and the like, and has the advantages of no toxicity, energy conservation, no environmental pollution and the like by using water to replace an organic solvent as a dispersion medium, so the polyurethane water-based paint occupies an important position in the paint market. In the preparation process of the polyurethane water-based paint, raw materials need to be mixed and stirred so as to better fuse pigment particles, a binder and a solvent.
However, the following problems exist in the preparation of polyurethane water-based paint in the prior art:
1. in the prior art, after raw materials of the polyurethane water-based paint are stirred, the raw materials can not be mixed completely, and various raw materials are aggregated into a cluster, so that the stirring is difficult to be carried out completely.
2. In the prior art, when raw materials of the polyurethane water-based paint are stirred, crushed material particle impurities exist in a stirring machine, and are easily brought into the raw materials in the stirring process, so that the quality of the prepared polyurethane water-based paint is reduced.
3. In the prior art, the preparation concentration of the polyurethane water-based paint prepared by stirring the raw materials of the polyurethane water-based paint is difficult to control, and the polyurethane water-based paint with different concentrations is required for adapting to the polyurethane water-based paint for different used articles, so that the generally prepared polyurethane water-based paint is difficult to meet the specific use requirement.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation process of a polyurethane water-based paint, which can solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a polyurethane water-based paint preparation process uses a polyurethane water-based paint preparation device, which comprises an installation box, a uniform throwing mechanism, a primary filtering mechanism, a secondary filtering mechanism, a separating mechanism and a material receiving box, wherein the installation box is of a cylindrical hollow structure, the uniform throwing mechanism is arranged at the upper end of the installation box, the primary filtering mechanism is arranged at the upper side of the installation box, the separating mechanism is arranged in the installation box at the lower side of the primary filtering mechanism, the secondary filtering mechanism is circumferentially arranged at the outer side of the installation box, the bottom end of the secondary filtering mechanism is connected with the material receiving box, a driving motor is arranged in the middle of the lower end face of the installation box, and an installation frame is arranged at the lower side of the installation box; wherein:
the uniform throwing mechanism comprises an installation barrel, a rotating barrel, a first fixing ring, a filtering throwing barrel, a feeding frame, a first rotating motor, a driving gear and driven toothed rings, wherein the installation barrel is arranged at the upper end of an installation box and is communicated with the inside of the installation box, the upper side and the lower side of the installation barrel are provided with annular fixing blocks, the upper side and the lower side of the rotating barrel are correspondingly and rotatably connected to the inner sides of the two annular fixing blocks, the first fixing ring is arranged on the inner wall of the installation barrel at the upper side of the rotating barrel, the filtering throwing barrel is of a cylindrical structure with only an opening at the upper end, the outer wall of the filtering throwing barrel close to the upper end is rotatably connected to the first fixing ring, the feeding frame is arranged at the upper end of the installation barrel, the first rotating motor is arranged at the left side of the outer wall of the installation barrel, the driving gear is arranged on the output shaft of the first rotating motor, the rotating barrel is provided with the driven toothed rings close to the outer wall fixing sleeve at the upper end, and the side wall of the installation barrel between the driving gear and the driven toothed rings is provided with a abdicating groove, the driving gear is meshed with the driven gear ring, the feeding frame is of a circular truncated cone-shaped structure with the upper end and the lower end communicated, and the diameter of the upper end of the feeding frame is larger than that of the lower end of the feeding frame;
when the polyurethane water-based paint preparation equipment is adopted to prepare the polyurethane water-based paint, the preparation method comprises the following steps:
s1, pouring paint: starting equipment, and pouring the preliminarily prepared coating from a feeding frame;
s2, uniformly throwing the coating: evenly throwing the preliminarily prepared coating through a throwing mechanism;
s3, filtering the coating: performing primary filtration on the coating through a primary filtering mechanism;
s4, separating the coating: separating the coatings with different concentrations by a separating mechanism;
s5, filtering again: the separated coating is filtered again through a secondary filtering mechanism, and is collected through a material collecting box, and the coating meeting the concentration requirement is taken out;
s6, blending the paint: and collecting the coating which does not meet the concentration requirement, re-blending, and pouring the re-blended coating into equipment again for filtering and separating, so that the polyurethane water-based coating which meets the concentration requirement can be obtained.
As a preferable technical scheme of the invention, the inner wall of the rotary cylinder is uniformly provided with striking plates from top to bottom along the circumferential direction of the rotary cylinder.
As a preferred technical scheme, the primary filtering mechanism comprises a second fixing ring, a filtering plate, a collecting tank and a speed-reducing scraping branched chain, the second fixing ring is arranged on the upper side in the mounting box, the filtering plate is arranged on the inner side of the second fixing ring, the collecting tank is arranged on the edge of the upper end of the second fixing ring, and the speed-reducing scraping branched chain is arranged in the middle of the filtering plate.
As a preferred technical scheme of the invention, the speed-reducing scraping branched chain comprises a fixed plate, a rotating box, a driven shaft, a rotating gear, a speed-reducing gear ring and a scraping plate, wherein the fixed plate is fixedly arranged at the middle position of the filter plate, the rotating box is of a round box-shaped structure with an opening at the lower end, the lower end of the rotating box is rotatably connected to the upper end of the fixed plate, the driven shaft is rotatably connected to the middle of the fixed plate and the rotating box, the rotating gear is arranged on the driven shaft in the rotating box, the speed-reducing gear is uniformly arranged at the upper end of the fixed plate in the rotating box along the circumferential direction of the upper end of the fixed plate, the speed-reducing gear is rotatably connected with the fixed plate, the speed-reducing gear is mutually meshed with the rotating gear, the speed-reducing gear ring is arranged on the inner side wall of the rotating box, the speed-reducing gear ring is mutually meshed with the speed-reducing gear, the scraping plate is uniformly arranged along the outer wall of the rotating box, and the scraping plate is inclined.
As a preferred technical scheme of the invention, the separation mechanism comprises a driving shaft, a guide post, a mounting ring, a separating cylinder, annular separating plates, a liquid outlet, a stop ring and a guide frame, wherein the driving shaft is rotatably connected to the bottom in the mounting box and is connected with an output shaft of a driving motor, the mounting ring is arranged on the outer wall of the lower side of the guide post, a plurality of separating cylinders are sequentially arranged at the upper end of the mounting ring from bottom to top, separating holes are formed in the separating cylinders, the diameters of the separating holes in the separating cylinders are sequentially increased from top to bottom, the annular separating plates are arranged on the inner wall of the mounting box corresponding to each separating cylinder, a liquid outlet is formed in the side wall of the mounting box corresponding to each annular separating plate, the liquid outlet is formed along the circumferential direction of the side wall of the mounting box, the upper end of the guide post is of a conical structure, the stop rings are arranged on the inner side of the annular separating plates, and the stop rings are of truncated cone-shaped structures with openings at the upper and lower ends, and the diameter of the upper end of the stop ring is smaller than that of the lower end of the stop ring, the guide frame is arranged on the inner wall of the installation box on the upper side of the installation ring, and the structure of the guide frame is the same as that of the feeding frame.
As a preferred technical scheme of the invention, the driving shaft is connected with the driven shaft, and the upper end of the driven shaft is connected with the lower end of the filtering swing cylinder.
As a preferable technical scheme of the invention, the side wall of the installation box at the upper side of the second fixing ring is uniformly provided with through grooves along the circumferential direction, and the side wall of the installation box at the outer side of the through grooves is hinged with a cleaning door.
As a preferred technical scheme of the invention, the secondary filtering mechanism comprises a flow guide box, a second rotating motor, a fixed cylinder, a spiral shaft and a filter cylinder, wherein one end of the flow guide box is connected in the liquid outlet, an opening is formed in one end, close to the installation box, of the flow guide box, the second rotating motor is arranged at the upper end of the flow guide box, an output shaft of the second rotating motor penetrates through the upper side wall of the flow guide box to enter the flow guide box, the fixed cylinder is arranged at the lower end, far away from the installation box, of the flow guide box, the spiral shaft is in rotating fit with the fixed cylinder, the upper end of the spiral shaft is connected with the output shaft of the second rotating motor, the filter cylinder is arranged at the lower end of the fixed cylinder, and the fixed cylinder is of a cylindrical structure with an open upper end.
As a preferred technical scheme, the material receiving box comprises a rectangular box body, a material taking port and a protective cylinder, wherein the material taking port is formed in the upper end of the rectangular box body, the protective cylinder is arranged at the position, far away from the material taking port, of the upper end of the rectangular box body, the lower end of the protective cylinder is communicated with the inside of the rectangular box body, and the protective cylinder is sleeved on the outer side of the filter cylinder in a matched mode.
As a preferable technical scheme of the invention, the filter cylinder is detachably connected with the fixed cylinder.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the prior art when the polyurethane water-based paint is prepared: 1. in the prior art, after raw materials of the polyurethane water-based paint are stirred, the raw materials are possibly not mixed completely, and various raw materials are aggregated into a cluster, so that the stirring is difficult to be carried out completely; 2. in the prior art, when raw materials of the polyurethane water-based paint are stirred, crushed material particle impurities exist in a stirring machine, and are easily brought into the raw materials in the stirring process, so that the quality of the prepared polyurethane water-based paint is reduced; 3. in the prior art, the preparation concentration of the polyurethane water-based paint prepared by stirring the raw materials of the polyurethane water-based paint is difficult to control, and the polyurethane water-based paint with different concentrations is required for adapting to the polyurethane water-based paint for different used articles, so that the generally prepared polyurethane water-based paint is difficult to meet the specific use requirement.
2. The throwing mechanism designed by the invention can rapidly rotate through the filtering throwing cylinder, so that the coating in the filtering throwing cylinder is thrown to the inner wall of the rotary cylinder, meanwhile, the rotating direction of the rotary cylinder is opposite to that of the filtering throwing cylinder, the relative rotating speed between the rotary cylinder and the filtering throwing cylinder is accelerated, the throwing plate arranged on the inner wall of the rotary cylinder is used for beating the thrown coating, the coating gathered into a mass can be well scattered, the coating is uniformly distributed, and the polyurethane water-based coating raw materials can be thoroughly mixed by further stirring through the primary filtering mechanism.
3. The primary filtering mechanism and the secondary filtering mechanism designed by the invention can filter the polyurethane water-based paint in the preparation process and filter the polyurethane water-based paint before being taken out finally, so that the crushed material particle impurities in the equipment are difficult to influence the quality of the polyurethane water-based paint.
4. The separation cylinder of the separation mechanism designed by the invention rotates to enable the coating to pass through the separation holes under the action of centrifugal force, the coating with higher concentration does not pass through the separation holes and continues to flow downwards until the coating can pass through the separation holes, the coating passing through the separation holes is thrown out of the outer wall of the separation cylinder onto the corresponding annular separation plate, so that the polyurethane water-based coatings with different mixed concentrations are separated, the polyurethane water-based coatings with concentrations which do not meet specific use requirements are re-blended, and the blended coating is poured into equipment again for filtration and separation until the coating meeting the concentration requirements can be obtained.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic cross-sectional structural view of the present invention;
FIG. 3 is a schematic cross-sectional view of the spin-up mechanism of the present invention;
FIG. 4 is a schematic cross-sectional view of the present invention between the mounting box, the drive motor, the primary filter mechanism and the separating mechanism;
FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic cross-sectional view of the secondary filter mechanism and the hopper of the present invention;
FIG. 7 is a schematic view of the overall structure of the present invention;
FIG. 8 is a schematic view of the structure between the spin basket and the striking plate of the present invention;
fig. 9 is a schematic view of the structure of the deceleration scraping branch chain of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to 1-9, a polyurethane water-based paint preparation process uses a polyurethane water-based paint preparation device, which comprises an installation box 1, a uniform throwing mechanism 2, a primary filtering mechanism 3, a secondary filtering mechanism 4, a separating mechanism 5 and a material receiving box 6, wherein the installation box 1 is of a cylindrical hollow structure, the uniform throwing mechanism 2 is arranged at the upper end of the installation box 1, the primary filtering mechanism 3 is arranged at the upper side of the installation box 1, the separating mechanism 5 is arranged in the installation box 1 at the lower side of the primary filtering mechanism 3, the secondary filtering mechanism 4 is circumferentially arranged at the outer side of the installation box 1, the bottom end of the secondary filtering mechanism 4 is connected with the material receiving box 6, a driving motor 11 is arranged in the middle of the lower end face of the installation box 1, and an installation frame 12 is arranged at the lower side of the installation box 1; wherein:
the uniform throwing mechanism 2 comprises an installation barrel 21, a rotating barrel 22, a first fixing ring 23, a filtering throwing barrel 24, a feeding frame 25, a first rotating motor 26, a driving gear 27 and a driven gear ring 28, wherein the installation barrel 21 is arranged at the upper end of the installation box 1, the installation barrel 21 is communicated with the inside of the installation box 1, the upper side and the lower side of the installation barrel 21 are provided with annular fixing blocks, the upper side and the lower side of the rotating barrel 22 are correspondingly and rotatably connected to the inner sides of the two annular fixing blocks, the first fixing ring 23 is arranged on the inner wall of the installation barrel 21 at the upper side of the rotating barrel 22, the filtering throwing barrel 24 is of a cylindrical structure with an opening at the upper end only, the outer wall of the filtering throwing barrel 24 close to the upper end is rotatably connected to the first fixing ring 23, the feeding frame 25 is provided with the upper end of the installation barrel 21, the first rotating motor 26 is arranged at the left side of the outer wall of the installation barrel 21, the driving gear 27 is arranged on the output shaft of the first rotating motor 26, the outer wall of the rotating barrel 22 close to the upper end is provided with the driven gear ring 28, the side wall of the mounting cylinder 21 between the driving gear 27 and the driven gear ring 28 is provided with a receding groove, the driving gear 27 and the driven gear ring 28 are mutually meshed, the feeding frame 25 is of a circular truncated cone structure with the upper end and the lower end communicated, the diameter of the upper end of the feeding frame 25 is larger than that of the lower end, and the inner wall of the rotary cylinder 22 is uniformly provided with striking plates 221 from top to bottom and along the circumferential direction of the inner wall;
the driving shaft 51 is connected with a driven shaft 343, and the upper end of the driven shaft 343 is connected with the lower end of the filtering and swinging cylinder 24;
during specific work, the driving motor 11 works, the output shaft of the driving motor 11 rotates to drive the driving shaft 51 to rotate, the driving shaft 51 drives the driven shaft 343 to rotate, and the driven shaft 343 drives the filtering and swinging cylinder 24 to rotate. The coating that will tentatively dispose is poured into feeding frame 25 slowly, the coating gets into through feeding frame 25 and filters and gets rid of in section of thick bamboo 24, it rotates to filter and get rid of a section of thick bamboo 24 fast, make the coating that filters in the section of thick bamboo 24 of getting rid of on rotatory section of thick bamboo 22 inner wall, a rotating electrical machines 26 work simultaneously, the output shaft of a rotating electrical machines 26 rotates and drives drive gear 27 and rotate, drive gear 27 rotates and drives rotatory section of thick bamboo 22 rotatory, rotatory section of thick bamboo 22 direction of rotation is opposite with the section of thick bamboo 24 direction of rotation that filters and get rid of, thereby the relative rotation speed between a section of thick bamboo 22 and the section of thick bamboo 24 of getting rid of in the filtration has been accelerated, the board 221 that hits that the inner wall of rotatory section of thick bamboo 22 sets up hits the coating of getting rid of beating, the coating that can be better is broken up into a group, make coating evenly distributed.
The primary filtering mechanism 3 comprises a second fixing ring 31, a filtering plate 32, a collecting tank 33 and a speed-reducing scraping branched chain 34, the second fixing ring 31 is arranged at the upper side in the mounting box 1, the filtering plate 32 is arranged at the inner side of the second fixing ring 31, the collecting tank 33 is arranged at the edge of the upper end of the second fixing ring 31, and the speed-reducing scraping branched chain 34 is arranged in the middle of the filtering plate 32;
during specific work, the coating thrown evenly falls on the filter 32 and is filtered, the speed reduction scraping branched chain 34 stirs the coating falling on the filter 32, the filtering efficiency is improved, and meanwhile the coating which is not filtered is stirred to the edge of the second fixing ring 31, and the coating flows to the secondary filtering mechanism 4 through the liquid outlet 56.
The deceleration scraping branch 34 includes a fixed plate 341, a rotation box 342, a driven shaft 343, a rotation gear 344, a deceleration gear 345, a deceleration toothed ring 346 and a scraping plate 347, the fixed plate 341 is fixedly arranged at the middle position of the filter plate 32, the rotating box 342 is a circular box-shaped structure with an opening at the lower end, the lower end of the rotating box 342 is rotatably connected at the upper end of the fixed plate 341, the driven shaft 343 is rotatably connected at the middle parts of the fixed plate 341 and the rotating box 342, the driven shaft 343 in the rotating box 342 is provided with a rotating gear 344, the upper end of the fixed plate 341 in the rotating box 342 is uniformly provided with a reduction gear 345 along the circumferential direction thereof, the reduction gear 345 is rotatably connected with the fixing plate 341, the reduction gear 345 is meshed with the rotating gear 344, a reduction gear ring 346 is arranged on the inner side wall of the rotating box 342, the reduction gear ring 346 is meshed with the reduction gear 345, the scraping plates 347 are uniformly arranged along the outer wall of the rotating box 342, and the scraping plates 347 are inclined;
the side wall of the installation box 1 at the upper side of the second fixing ring 31 is uniformly provided with a through groove 13 along the circumferential direction, and the side wall of the installation box 1 at the outer side of the through groove 13 is hinged with a cleaning door 14;
during specific work, the driven shaft 343 rotates and drives the rotary gear 344 rotatory, the rotary gear 344 drives the reduction ring gear 346 through reduction gear 345 and rotates, the reduction ring gear 346 drives and rotates box 342 rotatoryly, thereby make and rotate box 342 and slow down, scraper blade 347 follows and rotates box 342 and scrapes the filter 32 upper end, also make the coating on the filter 32 stirred, scraper blade 347 that the slope set up extrudes coating downwards when rotating makes the coating pass through the filter 32 fast, and the efficiency of filtration is improved, and the impurity particle who exists in the coating remains on the filter 32 and is scraped to the collecting vat 33 all around by scraper blade 347, when equipment stop work, open clearance door 14, clear up collecting vat 33.
The separating mechanism 5 comprises a driving shaft 51, a guide post 52, a mounting ring 53, separating cylinders 54, annular separating plates 55, a liquid outlet 56, a stop ring 57 and a guide frame 58, wherein the driving shaft 51 is rotatably connected to the bottom in the installation box 1, the driving shaft 51 is connected with an output shaft of the driving motor 11, the mounting ring 53 is arranged on the outer wall of the lower side of the guide post 52, the plurality of separating cylinders 54 are sequentially arranged at the upper end of the mounting ring 53 from bottom to top, separating holes are formed in the separating cylinders 54, the diameters of the separating holes in the plurality of separating cylinders 54 are sequentially increased from top to bottom, the annular separating plates 55 are arranged on the inner wall of the installation box 1 corresponding to each separating cylinder 54, the liquid outlet 56 is formed in the position of the side wall of the installation box 1 corresponding to each annular separating plate 55, the liquid outlet 56 is formed along the circumferential direction of the side wall of the installation box 1, the upper end of the guide post 52 is of a conical structure, the stop ring 57 is arranged on the inner side of each annular separating plate 55, the stop ring 57 is of a circular truncated cone-shaped structure with openings at the upper end and the lower end, the diameter of the upper end of the stop ring 57 is smaller than that of the lower end, the guide frame 58 is arranged on the inner wall of the installation box 1 at the upper side of the installation circular ring 53, and the structure of the guide frame 58 is the same as that of the feeding frame 25;
during specific work, the driving shaft 51 rotates to drive the guide post 52 to rotate, the separating cylinder 54 rotates along with the guide post 52 through the installation ring 53, the filtered coating falls onto the guide frame 58, the coating flows to the upper side of the guide post 52 along the guide frame 58 to prevent the coating from flowing to the outer side of the separating cylinder 54, the coating flows to the inner wall of the separating cylinder 54 through the guiding effect of the guide post 52, the coating gradually flows downwards along the inner wall of the separating cylinder 54, meanwhile, the rotating separating cylinder 54 enables the coating to penetrate through the separating holes under the action of centrifugal force, the coating with higher concentration does not penetrate through the separating holes to continuously flow downwards until the coating can penetrate through the separating holes, the coating penetrating through the separating holes is thrown out to the corresponding annular separating plates 55 on the outer walls of the separating cylinder 54, and the blocking ring 57 blocks the coating on the annular separating plates 55, so that the coating flows into the secondary filtering mechanism 4.
The secondary filtering mechanism 4 comprises a flow guide box 41, a second rotating motor 42, a fixed cylinder 43, a screw shaft 44 and a filtering cylinder 45, one end of the flow guide box 41 is connected into a liquid outlet 56, an opening is formed in one end, close to the installation box 1, of the flow guide box 41, the second rotating motor 42 is arranged at the upper end of the flow guide box 41, an output shaft of the second rotating motor 42 penetrates through the upper side wall of the flow guide box 41 to enter the flow guide box 41, the fixed cylinder 43 is arranged at the lower end, far away from the installation box 1, of the flow guide box 41, the screw shaft 44 is matched in the fixed cylinder 43 in a rotating mode, the upper end of the screw shaft 44 is connected with the output shaft of the second rotating motor 42, the filtering cylinder 45 is arranged at the lower end of the fixed cylinder 43, the fixed cylinder 43 is of a cylindrical structure with an opening at the upper end, the filtering cylinder 45 is detachably connected with the fixed cylinder 43, and the filtering cylinder 45 is convenient to clean the filtering cylinder 45 through disassembly;
during specific work, coating enters the diversion box 41 through the liquid outlet 56, the second rotating motor 42 works, the output shaft of the second rotating motor 42 rotates to drive the screw shaft 44 to rotate, the screw shaft 44 downwards conveys the coating in the diversion box 41 to the filter cartridge 45 through the spiral structure on the side wall of the screw shaft 44, conveying efficiency is improved, the filter cartridge 45 filters the coating again, the filtering effect is improved, and meanwhile, the coating is pressed into the filter cartridge 45 by the screw shaft 44 during conveying, so that the filtering speed of the filter cartridge 45 is improved.
The material receiving box 6 comprises a rectangular box body 61, a material taking port 62 and a protective cylinder 63, wherein the material taking port 62 is formed in the upper end of the rectangular box body 61, the protective cylinder 63 is arranged at the position, far away from the material taking port 62, of the upper end of the rectangular box body 61, the lower end of the protective cylinder 63 is communicated with the inside of the rectangular box body 61, and the protective cylinder 63 is sleeved on the outer side of the filter cylinder 45 in a matching manner;
during specific work, the coating filtered by the filter cartridge 45 enters the rectangular box body 61 through the protective cartridge 63, the filtered coating is taken out from the material taking port 62 by people, water or raw material is continuously added into the separated coating with higher or lower concentration for blending, and the blended coating is poured into the equipment by the feeding frame 25 again for filtering and separating until the coating meeting the concentration requirement can be obtained.
When the polyurethane water-based paint preparation equipment is adopted to prepare the polyurethane water-based paint, the preparation method comprises the following steps:
s1, pouring paint: the driving motor 11 works, an output shaft of the driving motor 11 rotates to drive the driving shaft 51 to rotate, the driving shaft 51 drives the driven shaft 343 to rotate, the driven shaft 343 drives the filtering and swinging cylinder 24 to rotate, the preliminarily prepared coating is slowly poured into the feeding frame 25, and the coating enters the filtering and swinging cylinder 24 through the feeding frame 25;
s2, uniformly throwing the coating: the filtering and throwing cylinder 24 rotates rapidly, so that the coating in the filtering and throwing cylinder 24 is thrown to the inner wall of the rotating cylinder 22, meanwhile, the first rotating motor 26 works, an output shaft of the first rotating motor 26 rotates to drive the driving gear 27 to rotate, the driving gear 27 rotates to drive the rotating cylinder 22 to rotate, the rotating direction of the rotating cylinder 22 is opposite to that of the filtering and throwing cylinder 24, so that the relative rotating speed between the rotating cylinder 22 and the filtering and throwing cylinder 24 is accelerated, the throwing plate 221 arranged on the inner wall of the rotating cylinder 22 hits the thrown coating, the coating gathered into a group can be well scattered, and the coating is uniformly distributed;
s3, filtering the coating: the evenly thrown paint falls on the filter plate 32 for filtering, and the deceleration scraping branch chain 34 stirs the paint falling on the filter plate 32;
s4, separating the coating: the driving shaft 51 rotates to drive the guide post 52 to rotate, the separating cylinder 54 rotates along the guide post 52 through the mounting ring 53, the filtered coating falls onto the guide frame 58, the coating flows to the upper side of the guide post 52 along the guide frame 58 to prevent the coating from flowing to the outer side of the separating cylinder 54, the coating flows to the inner wall of the separating cylinder 54 through the guiding action of the guide post 52, the coating gradually flows downwards along the inner wall of the separating cylinder 54, meanwhile, the rotating separating cylinder 54 enables the coating to pass through the separating holes under the action of centrifugal force, the coating with higher concentration does not pass through the separating holes and continuously flows downwards until the coating can pass through the separating holes, the coating passing through the separating holes is thrown out onto the corresponding annular separating plate 55 on the outer wall of the separating cylinder 54, and the blocking ring 57 blocks the coating on the annular separating plate 55, so that the coating flows into the secondary filtering mechanism 4;
s5, filtering again: the coating enters the diversion box 41 through the liquid outlet 56, the second rotating motor 42 works, the output shaft of the second rotating motor 42 rotates to drive the screw shaft 44 to rotate, the screw shaft 44 downwards conveys the coating in the diversion box 41 into the filter cartridge 45 through the spiral structure on the side wall of the screw shaft 44, the conveying efficiency is improved, the filter cartridge 45 filters the coating again, the filtering effect is improved, and meanwhile, the coating is pressed into the filter cartridge 45 when being conveyed by the screw shaft 44, so that the filtering speed of the filter cartridge 45 is improved;
s6, blending the paint: the coating filtered by the filter cartridge 45 enters the rectangular box body 61 through the protective cartridge 63, the filtered coating is taken out from the material taking port 62 by people, water or raw materials are continuously added into the separated coating with higher concentration or lower concentration for blending, and the blended coating is poured into the equipment by the feeding frame 25 again for filtering and separating until the coating meeting the concentration requirement can be obtained.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a polyurethane water based paint preparation technology, its used a polyurethane water based paint preparation equipment, this equipment includes install bin (1), gets rid of even mechanism (2), primary filter mechanism (3), secondary filter mechanism (4), separating mechanism (5) and receipts workbin (6), its characterized in that: the installation box (1) is of a cylindrical hollow structure, the uniform throwing mechanism (2) is arranged at the upper end of the installation box (1), the primary filtering mechanism (3) is arranged at the upper side of the installation box (1), the separating mechanism (5) is arranged in the installation box (1) at the lower side of the primary filtering mechanism (3), the secondary filtering mechanisms (4) are circumferentially arranged at the outer side of the installation box (1), the bottom ends of the secondary filtering mechanisms (4) are connected with the material receiving box (6), the middle part of the lower end face of the installation box (1) is provided with the driving motor (11), and the lower side of the installation box (1) is provided with the installation frame (12); wherein:
the uniform throwing mechanism (2) comprises an installation cylinder (21), a rotating cylinder (22), a first fixing ring (23), a filtering throwing cylinder (24), a feeding frame (25), a first rotating motor (26), a driving gear (27) and a driven gear ring (28), wherein the installation cylinder (21) is arranged at the upper end of the installation box (1), the installation cylinder (21) is communicated with the installation box (1), annular fixing blocks are arranged on the upper side and the lower side of the installation cylinder (21), the upper side and the lower side of the rotating cylinder (22) are correspondingly and rotatably connected to the inner sides of the two annular fixing blocks, the first fixing ring (23) is arranged on the inner wall of the installation cylinder (21) at the upper side of the rotating cylinder (22), the filtering throwing cylinder (24) is of a cylindrical structure with only an upper end opening, the filtering throwing cylinder (24) is rotatably connected to the first fixing ring (23) near the outer wall of the upper end, the feeding frame (25) is arranged at the upper end of the installation cylinder (21), the first rotating motor (26) is arranged on the left side of the outer wall of the mounting barrel (21), the driving gear (27) is mounted on an output shaft of the first rotating motor (26), the outer wall, close to the upper end, of the rotating barrel (22) is fixedly sleeved with the driven gear ring (28), a yielding groove is formed in the side wall of the mounting barrel (21) between the driving gear (27) and the driven gear ring (28), the driving gear (27) and the driven gear ring (28) are meshed with each other, the feeding frame (25) is of a circular table-shaped structure with the upper end and the lower end communicated, and the diameter of the upper end of the feeding frame (25) is larger than that of the lower end;
when the polyurethane water-based paint preparation equipment is adopted to prepare the polyurethane water-based paint, the preparation method comprises the following steps:
s1, pouring paint: starting the equipment, and pouring the preliminarily prepared coating from a feeding frame (25);
s2, uniformly throwing the coating: the preliminarily prepared coating is evenly thrown through a throwing mechanism (2);
s3, filtering the coating: primary filtering is carried out on the coating through a primary filtering mechanism (3);
s4, separating the coating: the coatings with different concentrations are separated by a separating mechanism (5);
s5, filtering again: the separated coating is filtered again through a secondary filtering mechanism (4), and is collected through a material collecting box (6), and the coating meeting the concentration requirement is taken out;
s6, blending the paint: collecting the coating which does not meet the concentration requirement, re-blending, and pouring the re-blended coating into equipment again for filtering and separating, so that the polyurethane water-based coating which meets the concentration requirement can be obtained;
the primary filtering mechanism (3) comprises a second fixing ring (31), a filtering plate (32), a collecting groove (33) and a speed-reducing scraping branched chain (34), the second fixing ring (31) is arranged on the upper side in the mounting box (1), the filtering plate (32) is arranged on the inner side of the second fixing ring (31), the collecting groove (33) is formed in the edge of the upper end of the second fixing ring (31), and the speed-reducing scraping branched chain (34) is arranged in the middle of the filtering plate (32);
the speed-reducing scraping branched chain (34) comprises a fixing plate (341), a rotating box (342), a driven shaft (343), a rotating gear (344), a speed-reducing gear (345), a speed-reducing gear ring (346) and a scraper (347), wherein the fixing plate (341) is fixedly arranged at the middle position of the filter plate (32), the rotating box (342) is of a circular box-shaped structure with an opening at the lower end, the lower end of the rotating box (342) is rotatably connected to the upper end of the fixing plate (341), the driven shaft (343) is rotatably connected to the middle parts of the fixing plate (341) and the rotating box (342), the rotating gear (344) is arranged on the driven shaft (343) in the rotating box (342), the speed-reducing gear (345) is uniformly arranged at the upper end of the fixing plate (341) in the rotating box (342) along the circumferential direction of the upper end, the speed-reducing gear (345) is rotatably connected with the fixing plate (341), and the speed-reducing gear (345) is meshed with the rotating gear (344), a speed reduction gear ring (346) is arranged on the inner side wall of the rotating box (342), the speed reduction gear ring (346) and the speed reduction gear (345) are meshed with each other, the scraping plates (347) are uniformly arranged along the outer wall of the rotating box (342), and the scraping plates (347) are inclined;
the separation mechanism (5) comprises a driving shaft (51), a guide post (52), an installation circular ring (53), separating cylinders (54), annular separating plates (55), a liquid outlet (56), a blocking ring (57) and a guide frame (58), the driving shaft (51) is rotatably connected to the bottom in the installation box (1), the driving shaft (51) is connected with an output shaft of a driving motor (11), the installation circular ring (53) is arranged on the outer wall of the lower side of the guide post (52), a plurality of separating cylinders (54) are sequentially arranged at the upper end of the installation circular ring (53) from bottom to top, separating holes are formed in the separating cylinders (54), the aperture of the separating holes in the separating cylinders (54) is sequentially increased from top to bottom, the annular separating plates (55) are arranged on the inner wall of the installation box (1) corresponding to each separating cylinder (54), the liquid outlet (56) is formed in the side wall of the installation box (1) corresponding to the position of each annular separating plate (55), and liquid outlet (56) is seted up along installing bin (1) lateral wall circumference, guide post (52) upper end is the toper structure, and annular separator plate (55) inboard is provided with barrier ring (57), and barrier ring (57) are upper and lower both ends open-ended round platform shape structure, and barrier ring (57) upper end diameter is less than the lower extreme diameter, and guide frame (58) set up on installing bin (1) inner wall of installing ring (53) upside, and guide frame (58) structure and feeding frame (25) structure are the same.
2. The preparation process of the polyurethane water-based paint according to claim 1, characterized in that: the inner wall of the rotary cylinder (22) is uniformly provided with striking plates (221) from top to bottom along the circumferential direction of the rotary cylinder.
3. The preparation process of the polyurethane water-based paint according to claim 1, characterized in that: the driving shaft (51) is connected with the driven shaft (343), and the upper end of the driven shaft (343) is connected with the lower end of the filtering and swinging cylinder (24).
4. The preparation process of the polyurethane water-based paint according to claim 1, characterized in that: the side wall of the installation box (1) on the upper side of the second fixing ring (31) is uniformly provided with a through groove (13) along the circumferential direction of the side wall, and the side wall of the installation box (1) on the outer side of the through groove (13) is hinged with a cleaning door (14).
5. The preparation process of the polyurethane water-based paint according to claim 1, characterized in that: the secondary filtering mechanism (4) comprises a flow guide box (41), a second rotating motor (42), a fixed cylinder (43), a spiral shaft (44) and a filtering cylinder (45), one end of the flow guide box (41) is connected in the liquid outlet (56), an opening is formed in one end, close to the installation box (1), of the flow guide box (41), a second rotating motor (42) is arranged at the upper end of the flow guide box (41), an output shaft of the second rotating motor (42) penetrates through the upper side wall of the flow guide box (41) to enter the flow guide box (41), a fixed cylinder (43) is arranged at the lower end, far away from the installation box (1), of the flow guide box (41), a spiral shaft (44) is matched in the fixed cylinder (43) in a rotating mode, the upper end of the spiral shaft (44) is connected with an output shaft of a second rotating motor (42), a filter cylinder (45) is arranged at the lower end of a fixed cylinder (43), and the fixed cylinder (43) is of a cylindrical structure with an opening at the upper end.
6. The preparation process of the polyurethane water-based paint according to claim 5, characterized in that: receive workbin (6) and include rectangle box (61), get material mouth (62) and a protection section of thick bamboo (63), the material mouth (62) have been seted up to the upper end of rectangle box (61), and the position of getting material mouth (62) is kept away from to the upper end of rectangle box (61) is provided with a protection section of thick bamboo (63), and intercommunication in protection section of thick bamboo (63) lower extreme and rectangle box (61), protection section of thick bamboo (63) cooperation cover is in cartridge filter (45) outside.
7. The preparation process of the polyurethane water-based paint according to claim 5, characterized in that: the filter cylinder (45) is detachably connected with the fixed cylinder (43).
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| CN202110777661.5A CN113499630B (en) | 2021-07-09 | 2021-07-09 | Preparation process of polyurethane water-based paint |
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| CN202110777661.5A CN113499630B (en) | 2021-07-09 | 2021-07-09 | Preparation process of polyurethane water-based paint |
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| CN113499630B true CN113499630B (en) | 2022-03-29 |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11216313A (en) * | 1998-02-03 | 1999-08-10 | Ishikawajima Harima Heavy Ind Co Ltd | Dewatering and concentrating apparatus |
| WO2002013941A1 (en) * | 2000-08-17 | 2002-02-21 | Carew E Bayne | Filter assembly, filter element, and method of utilizing the same |
| CN209378874U (en) * | 2018-12-29 | 2019-09-13 | 南京宝淳新材料科技有限公司 | A kind of water based paint preparation device |
| CN209829293U (en) * | 2019-04-23 | 2019-12-24 | 江苏绿带新材料科技有限公司 | Separator is used in water paint production |
| CN211801676U (en) * | 2020-01-11 | 2020-10-30 | 赣州市力道新能源有限公司 | Lithium battery anode material particle size grading plant |
| CN212127870U (en) * | 2020-01-15 | 2020-12-11 | 大连昊亿设备装配有限公司 | Chip removal device for numerical control machine tool |
| CN213494314U (en) * | 2020-08-24 | 2021-06-22 | 蚌埠谷雨分离机械制造有限公司 | Graded centrifugal machine |
| CN213313560U (en) * | 2020-09-07 | 2021-06-01 | 河北宏杰建筑装饰材料有限公司 | A filter equipment for coating processing |
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Effective date of registration: 20240408 Address after: No.42, 5th Street, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin, 300457 Patentee after: COSCO Guanxi coating chemical (Tianjin) Co.,Ltd. Country or region after: China Patentee after: In Northwest coating (Shanghai) Co.,Ltd. far away Address before: 300450 No. 42, Fifth Street, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee before: COSCO Guanxi coating chemical (Tianjin) Co.,Ltd. Country or region before: China |