CN115011232B - Aliphatic polyurethane advanced finish paint and process system thereof - Google Patents
Aliphatic polyurethane advanced finish paint and process system thereof Download PDFInfo
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- CN115011232B CN115011232B CN202210621126.5A CN202210621126A CN115011232B CN 115011232 B CN115011232 B CN 115011232B CN 202210621126 A CN202210621126 A CN 202210621126A CN 115011232 B CN115011232 B CN 115011232B
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/06—Polyurethanes from polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/16—Mills in which a fixed container houses stirring means tumbling the charge
- B02C17/163—Stirring means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
Abstract
The invention discloses an aliphatic polyurethane advanced finish paint and a process system thereof, wherein the aliphatic polyurethane advanced finish paint comprises the following raw materials in parts by weight: hexamethylene diisocyanate, polyester polyol, mica powder, propylene glycol methyl ether acetate, latent curing agent, polycarbodiimide 2-4 parts, tetraisopropyl titanate; when zirconia beads which are grinding media wrapped in slurry in a stirring grinding bin collide with large-volume momentum-enhanced marble which is moving in a pulse mode, the zirconia beads serving as the grinding media can enhance the momentum of the zirconia beads due to the pulse collision, and therefore the grinding enhancement function is achieved.
Description
Technical Field
The invention belongs to the technical field of aliphatic polyurethane advanced finishing paint.
Background
In the preparation process of the aliphatic polyurethane advanced finish paint, the grinding procedure determines the dispersion degree of the final paint product; during grinding, since the zirconium dioxide grinding bead grinding medium is in the liquid slurry, the momentum of the zirconium dioxide grinding bead grinding medium is passively generated by the flowing and being entrained by the flowing of the coating slurry, and the momentum of the zirconium dioxide grinding bead which is led out as the grinding medium is limited by the flowing speed of the coating slurry in the stirring grinding container.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the aliphatic polyurethane advanced finish paint and the process system thereof, which can improve the grinding fineness and the high degree.
The technical scheme is as follows: in order to achieve the purpose, the process system of the aliphatic polyurethane advanced finish paint comprises the following raw materials in parts by mass:
25-30 parts of hexamethylene diisocyanate;
35-45 parts of polyester polyol;
15-20 parts of mica powder;
10-30 parts of propylene glycol methyl ether acetate;
4-6 parts of latent curing agent;
2-4 parts of polycarbodiimide;
0.01 to 0.2 part of tetraisopropyl titanate;
step one, after mixing the polyester polyol, mica powder and aliphatic isocyanate monomer, heating to over 90 ℃ and reacting for over 2 hours;
step two, cooling the slurry obtained in the step one to a temperature lower than 50 ℃;
thirdly, adding polycarbodiimide, a latent curing agent, tetraisopropyl titanate and propylene glycol methyl ether acetate for dilution, so as to obtain the aliphatic polyurethane finish paint to be stirred and ground;
step four, adding zirconia bead grinding media into the aliphatic polyurethane finish paint to be stirred and ground, and then introducing the mixed paint into a pulse stirring and grinding container 4 for stirring and grinding;
and fifthly, filtering zirconia bead grinding media to obtain the aliphatic polyurethane finishing paint with the grinding fineness less than or equal to 20 mu m.
Further, a stirring and grinding rotor a and a stirring and grinding rotor b are symmetrically arranged in the stirring and grinding bin; the ends of the a stirring grinding rotor and the b stirring grinding rotor, which are close to each other, are in sliding tangency, and the linear speeds of the ends of the a stirring grinding rotor and the b stirring grinding rotor, which are close to each other, are opposite.
Further, the stirring grinding rotor a and the stirring grinding rotor b comprise a central rotary ring body.
Further, a plurality of pulse stirring and grinding units are distributed on the periphery of the central rotary ring body in a circumferential array; when the stirring and grinding rotor a and the stirring and grinding rotor b rotate along the respective axes, each pulse type stirring and grinding unit can periodically vibrate in a pulse mode.
Furthermore, a plurality of guide holes extending along the radial direction are hollowed out on the central rotary ring body in a circumferential array manner; each pulse stirring and grinding unit distributed in a circumferential array comprises guide posts extending along the radial direction of the central revolving ring body, one end of each guide post coaxially penetrates through one guide hole, one end of each guide post far away from the central revolving ring body is vertically and fixedly connected with a structural plate, a spring is sleeved outside the guide post, and two ends of the spring elastically push against the central revolving ring body and the structural plate respectively; a roller seat is fixedly arranged on one side of the structural plate, which is far away from the guide post, and a jumping roller is arranged on the roller seat; the two sides of the roller seat are integrally connected with pulsation oscillation side plates, a plurality of convex piles are arranged on the outer side surfaces of the pulsation oscillation side plates in a linear array manner, and the tail ends of the convex piles are integrally and fixedly connected with momentum enhancement marble; the periphery of the central rotary ring body is also coaxially provided with a jumping roller constraint ring wall, a plurality of bayonet hollow windows are arranged on the jumping roller constraint ring wall in a circumferential array, each jumping roller corresponds to one bayonet hollow window, and one part of each jumping roller is clamped into the corresponding bayonet hollow window from the inner side of the jumping roller constraint ring wall; a part of each jumping roller, which protrudes outwards at the bayonet hollow window of the bounding ring wall of the jumping roller, is marked as a jumping roller protruding part; the jumping roller constraint annular wall is coaxial with the inner central revolving ring body under the common constraint of a plurality of jumping rollers; the outer annular surface of the jumping roller restraining annular wall on the stirring and grinding rotor is in sliding tangency with the outer annular surface of the jumping roller restraining annular wall on the stirring and grinding rotor.
Further, the direction of the linear velocity at the tangent position of the outer ring surface of the jumping roller constraint ring wall on the stirring and grinding rotor is opposite to that of the outer ring surface of the jumping roller constraint ring wall on the stirring and grinding rotor, and the sizes are equal; so that each jumping roller protruding part on the a stirring and grinding rotor and each jumping roller protruding part on the b stirring and grinding rotor can collide periodically to generate pulse displacement along the radial direction of the restraining annular wall of the jumping roller, and each pulse stirring and grinding unit on the a stirring and grinding rotor and the b stirring and grinding rotor are periodically pulse displacement.
Further, the wall bodies at the two ends of the pulse stirring and grinding container are respectively two arc walls which are bilaterally symmetrical, the inner wall surfaces of the two arc walls are arc rolling surfaces, and the arc axes of the arc rolling surfaces of the two arc walls are respectively overlapped with the axis of the stirring and grinding rotor a and the axis of the stirring and grinding rotor b; when the stirring and grinding rotor a and the stirring and grinding rotor b rotate along the respective axes, the jumping roller on the stirring and grinding rotor a and the jumping roller on the stirring and grinding rotor b are in periodic rolling fit with the arc rolling surface.
Further, when the jumping roller is matched with the arc rolling surface in a rolling way, the wheel surface of the jumping roller is separated from the inner outline of the hollow window of the bayonet, but the jumping roller is still positioned in the bayonet, and meanwhile, the corresponding spring is slightly compressed.
The beneficial effects are that: the beating rollers on the stirring and grinding rotor a and the beating rollers on the stirring and grinding rotor b are in periodic rolling fit with the arc rolling surface, so that each beating roller can rotate along the axis of the stirring and grinding bin, small rotational flow is formed periodically around each beating roller, and the stirring and grinding uniformity is further improved;
all pulse stirring and grinding units on the stirring and grinding rotor a and the stirring and grinding rotor b are periodically pulse-shifted, so that all momentum-enhanced marble circumferential rotation is realized, and pulse shifting is also realized along with the jumping roller, when zirconia balls serving as grinding media wrapped in slurry in the stirring and grinding bin collide with large-volume momentum-enhanced marble which is being subjected to pulse shifting, the zirconia balls serving as the grinding media can enhance own momentum due to pulse collision, thereby playing a role in enhancing grinding.
Drawings
FIG. 1 is a schematic diagram of the whole process;
FIG. 2 is a schematic diagram of the overall structure of a pulse stirring and grinding container;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is a schematic diagram of the rolling fit of the jumping roller with the circular arc rolling surface;
FIG. 5 is a schematic diagram of a stirred mill rotor or b stirred mill rotor;
FIG. 6 is a first exploded view of FIG. 5;
FIG. 7 is a schematic illustration of the annular friction wheel of FIG. 5 after separation;
FIG. 8 is a schematic illustration of the jumping roller restraining wall of FIG. 5 with the jumping roller restraining wall removed;
fig. 9 is a schematic diagram of a pulse stirring and grinding unit.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The technical system of the aliphatic polyurethane advanced finish paint comprises the following raw materials in parts by mass:
25-30 parts of hexamethylene diisocyanate;
35-45 parts of polyester polyol;
15-20 parts of mica powder;
10-30 parts of propylene glycol methyl ether acetate;
4-6 parts of latent curing agent;
2-4 parts of polycarbodiimide;
0.01 to 0.2 part of tetraisopropyl titanate;
as shown in fig. 1, the specific process is as follows:
step one, after mixing the polyester polyol, mica powder and aliphatic isocyanate monomer, heating to over 90 ℃ and reacting for over 2 hours;
step two, cooling the slurry obtained in the step one to a temperature lower than 50 ℃;
thirdly, adding polycarbodiimide, a latent curing agent, tetraisopropyl titanate and propylene glycol methyl ether acetate for dilution, so as to obtain the aliphatic polyurethane finish paint to be stirred and ground;
step four, adding zirconia bead grinding media into the aliphatic polyurethane finish paint to be stirred and ground, and then introducing the mixed paint into a pulse stirring and grinding container (4) for stirring and grinding;
and fifthly, filtering zirconia bead grinding media to obtain the aliphatic polyurethane finishing paint with the grinding fineness less than or equal to 20 mu m.
Inside the pulse stirring and grinding container 4 shown in fig. 2 to 9 is a stirring and grinding bin 50, and as shown in fig. 3, an a stirring and grinding rotor 1.1 and a b stirring and grinding rotor 1.2 are symmetrically arranged inside the stirring and grinding bin 50; the axes of the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 are horizontal, one ends of the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 close to each other are in sliding tangency, and the linear speeds of the ends of the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 close to each other are opposite.
The stirring and grinding rotors 1.1 and 1.2 comprise central rotary ring bodies 20, annular friction wheels 6 are coaxially arranged at two ends of each central rotary ring body 20, and each annular friction wheel 6 is fixedly connected with the concentric central rotary ring body 20 through a plurality of connecting rods 21, so that the annular friction wheels 6 are synchronous with the concentric central rotary ring body 20; the device also comprises a rotor driving wheel 7, and the rotor driving wheel 7 is matched with the annular friction wheel 6 on the a stirring grinding rotor 1.1 and the b stirring grinding rotor 1.2 in a rolling tangent way at the same time.
As in fig. 5; the periphery of the central revolving ring body 20 is provided with a plurality of pulse stirring and grinding units 70 in a circumferential array; a the agitator grinding rotors 1.1 and b the agitator grinding rotors 1.2 rotate along their respective axes, and each of the pulse-type agitator grinding units 70 periodically oscillates in pulses.
As shown in fig. 6, the central revolving ring body 20 is hollowed out in a circumferential array to form a plurality of guide holes 8 extending along the radial direction; as shown in fig. 9, each pulse stirring and grinding unit 70 distributed in a circumferential array comprises guide posts 9 extending along the radial direction of the central revolving ring body 20, one end of each guide post 9 coaxially passes through one guide hole 8, one end of each guide post 9 far away from the central revolving ring body 20 is vertically and fixedly connected with a structural plate 17, the guide posts 9 are sleeved with springs 10, and two ends of each spring 10 elastically push against the central revolving ring body 20 and the structural plate 17 respectively; the roller seat 13 is fixedly arranged on one side of the structural plate 17 far away from the guide post 9, the jumping roller 11 is arranged on the roller seat 13, and a roller shaft 12 of the jumping roller 11 is rotatably arranged in a bearing hole of the roller seat 13 through a bearing; the two sides of the roller seat 13 are integrally connected with pulsation oscillation side plates 14, and a central rotary ring body 20 slides between the two pulsation oscillation side plates 14; the outer side surface of the pulsation oscillation side plate 14 is provided with a plurality of protruding piles 16 in a linear array, and the tail end of each protruding pile 16 is integrally and fixedly connected with a momentum enhancement marble 15; the periphery of the central revolving ring body 20 is also coaxially provided with a jumping roller constraint annular wall 18, a plurality of bayonet hollow windows 19 are arranged on the jumping roller constraint annular wall 18 in a circumferential array, each jumping roller 11 corresponds to one bayonet hollow window 19, the length of each bayonet hollow window 19 is smaller than the outer diameter of each jumping roller 11, and a part of each jumping roller 11 is clamped into the corresponding bayonet hollow window 19 from the inner side of the jumping roller constraint annular wall 18, so that each jumping roller 11 is prevented from moving away from the central revolving ring body 20; a part of each jumping roller 11, which protrudes outwards at the bayonet hollow window 19 of the jumping roller constraint annular wall 18, is denoted as a jumping roller protruding part 11.1; the jumping roller constraint annular wall 18 is coaxial with the inner central revolving ring body 20 under the common constraint of a plurality of jumping rollers 11;
the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the a stirring and grinding rotor 1.1 is in sliding tangency with the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the b stirring and grinding rotor 1.2, and when the rotor driving wheel 7 rotates, the linear velocity directions of the tangents of the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the a stirring and grinding rotor 1.1 and the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the b stirring and grinding rotor 1.2 are opposite, and the sizes are equal; so that the jumping roller protruding parts 11.1 on the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 will collide periodically to generate pulse displacement along the radial direction of the jumping roller restraining annular wall 18, and the pulse stirring and grinding units 70 on the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 will generate periodic pulse displacement.
As shown in fig. 4, the wall bodies at two ends of the pulse stirring and grinding container 4 are two symmetrical arc walls 4.1, the inner wall surfaces of the two arc walls 4.1 are arc rolling surfaces 5, and the arc axes of the arc rolling surfaces 5 of the two arc walls 4.1 are respectively overlapped with the axis of the a stirring and grinding rotor 1.1 and the axis of the b stirring and grinding rotor 1.2;
when the stirring and grinding rotors 1.1 and b rotate along the respective axes, the jumping roller 11 on the stirring and grinding rotor 1.1 and the jumping roller 11 on the b stirring and grinding rotor 1.2 are in periodic rolling fit with the circular arc rolling surface 5, when the jumping roller 11 is in rolling fit with the circular arc rolling surface 5, the wheel surface of the jumping roller 11 is separated from the inner outline of the hollow window 19 of the bayonet, but the jumping roller 11 is still in the bayonet, and meanwhile, the corresponding spring 10 is slightly compressed, so that the jumping roller 11 can rotate more smoothly;
the pulse stirring grinding container 4 is fixedly provided with a motor 2 through a motor bracket 3, and an output shaft of the motor 2 is coaxially connected with a rotor driving wheel 7 in a driving way.
The inner ring of each annular friction wheel 6 is rotatably mounted on a fixed shaft 500 through a bearing, and each fixed shaft 500 is fixed on the pulse stirring and grinding container 4.
The working principle and working process of the pulse stirring and grinding container 4 are as follows:
in the fourth step, after zirconia balls grinding medium is added into the aliphatic polyurethane finish paint to be stirred and ground, the mixed paint is led into a stirring and grinding bin 50 in a pulse stirring and grinding container 4, and then a rotor driving wheel 7 is controlled to be driven to rotate at a rotating speed exceeding 600 r/min; so that the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 rotate along the respective axes at the same rotating speed and steering high speed, the integral rotation of the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 along the respective axes can lead the stirring and grinding bin 50 to form two large rotational flows, and the linear speed directions of the two large rotational flows at the mutually close ends are opposite, thereby forming the tearing and dispersing function; while simultaneously a the agitator grinding rotors 1.1 and b the agitator grinding rotors 1.2 are rotated along their respective axes, as shown in fig. 4; the jumping rollers 11 on the stirring and grinding rotor 1.1 and the jumping rollers 11 on the stirring and grinding rotor 1.2 are in rolling fit with the arc rolling surface 5 periodically, so that each jumping roller 11 can rotate along the axis of the stirring and grinding bin 50, small rotational flow is formed periodically around each jumping roller 11, and the stirring and grinding uniformity is further improved;
meanwhile, as the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the a-stirring grinding rotor 1.1 is in sliding tangency with the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the b-stirring grinding rotor 1.2, when the rotor driving wheel 7 rotates, the linear velocity directions of the tangents of the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the a-stirring grinding rotor 1.1 and the outer annular surface 18.1 of the jumping roller restraining annular wall 18 on the b-stirring grinding rotor 1.2 are opposite, and the magnitudes are equal; so that the pulse displacement along the radial direction of the jumping roller restraining ring wall 18 occurs due to the periodical collision of the jumping roller protruding parts 11.1 on the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2, and the pulse stirring and grinding units 70 on the a stirring and grinding rotor 1.1 and the b stirring and grinding rotor 1.2 are periodically pulse displaced, so that the pulse displacement is periodically generated along with the jumping roller 11 when the zirconium oxide beads serving as grinding media, which are wrapped in slurry in the stirring and grinding bin 50, collide with the large-volume momentum strengthening marble 15 which is being pulse displaced, and the self momentum of the zirconium oxide beads serving as grinding media is strengthened due to the pulse collision, thereby playing a role of strengthening grinding.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (4)
1. The technical system of the aliphatic polyurethane advanced finish paint comprises the following raw materials in parts by mass:
25-30 parts of hexamethylene diisocyanate;
35-45 parts of polyester polyol;
15-20 parts of mica powder;
10-30 parts of propylene glycol methyl ether acetate;
4-6 parts of latent curing agent;
2-4 parts of polycarbodiimide;
0.01 to 0.2 part of tetraisopropyl titanate;
the method is characterized in that:
step one, after mixing the polyester polyol, mica powder and aliphatic isocyanate monomer, heating to over 90 ℃ and reacting for over 2 hours;
step two, cooling the slurry obtained in the step one to a temperature lower than 50 ℃;
thirdly, adding polycarbodiimide, a latent curing agent, tetraisopropyl titanate and propylene glycol methyl ether acetate for dilution, so as to obtain the aliphatic polyurethane finish paint to be stirred and ground;
step four, adding zirconia bead grinding media into the aliphatic polyurethane finish paint to be stirred and ground, and then introducing the mixed paint into a pulse stirring and grinding container (4) for stirring and grinding;
step five, finally, filtering zirconia bead grinding media to obtain aliphatic polyurethane finishing paint with the grinding fineness less than or equal to 20 mu m;
a stirring and grinding bin (50) is arranged in the pulse stirring and grinding container (4), and a stirring and grinding rotor (1.1) and a stirring and grinding rotor (1.2) are symmetrically arranged in the stirring and grinding bin (50) in a left-right mode; the end, close to each other, of the a stirring and grinding rotor (1.1) and the b stirring and grinding rotor (1.2) are in sliding tangency, and the linear speed directions of the end, close to each other, of the a stirring and grinding rotor (1.1) and the b stirring and grinding rotor (1.2) are opposite;
the stirring and grinding rotors (1.1) and the stirring and grinding rotors (1.2) comprise a central rotary ring body (20);
the periphery of the central rotary ring body (20) is provided with a plurality of pulse stirring and grinding units (70) in a circumferential array; a, when the stirring and grinding rotor (1.1) and b, the stirring and grinding rotor (1.2) rotate along the respective axes, each pulse type stirring and grinding unit (70) can periodically vibrate in a pulse mode;
the central revolving ring body (20) is hollowed out with a plurality of guide holes (8) extending along the radial direction in a circumferential array; each pulse stirring and grinding unit (70) distributed in a circumferential array comprises guide posts (9) extending along the radial direction of the central rotary ring body (20), one end of each guide post (9) coaxially penetrates through one guide hole (8), one end, far away from the central rotary ring body (20), of each guide post (9) is vertically and fixedly connected with a structural plate (17), a spring (10) is sleeved outside the guide post (9), and two ends of the spring (10) elastically push against the central rotary ring body (20) and the structural plate (17) respectively; a roller seat (13) is fixedly arranged on one side of the structural plate (17) far away from the guide post (9), and a jumping roller (11) is arranged on the roller seat (13); the two sides of the roller seat (13) are integrally connected with a pulsation oscillation side plate (14), a plurality of protruding piles (16) are arranged on the outer side surface of the pulsation oscillation side plate (14) in a linear array manner, and the tail ends of the protruding piles (16) are integrally and fixedly connected with momentum enhancement marble (15); the periphery of the central rotary ring body (20) is also coaxially provided with a jumping roller constraint annular wall (18), a plurality of bayonet hollow windows (19) are arranged on the jumping roller constraint annular wall (18) in a circumferential array, each jumping roller (11) corresponds to one bayonet hollow window (19), and a part of each jumping roller (11) is clamped into the corresponding bayonet hollow window (19) from the inner side of the jumping roller constraint annular wall (18); a part of each jumping roller (11) which protrudes outwards at a bayonet hollow window (19) of the jumping roller constraint annular wall (18) is marked as a jumping roller protruding part (11.1); the jumping roller constraint annular wall (18) is coaxial with the inner central revolving ring body (20) under the common constraint of a plurality of jumping rollers (11); the outer annular surface (18.1) of the jumping roller restraining annular wall (18) on the stirring and grinding rotor (1.1) is in sliding tangent with the outer annular surface (18.1) of the jumping roller restraining annular wall (18) on the stirring and grinding rotor (1.2).
2. The process system for an aliphatic polyurethane advanced topcoat as set forth in claim 1, wherein: the direction of the linear velocity at the tangent position of the outer annular surface (18.1) of the jumping roller constraint annular wall (18) on the stirring and grinding rotor (1.1) is opposite to that of the outer annular surface (18.1) of the jumping roller constraint annular wall (18) on the stirring and grinding rotor (1.2), and the linear velocity are equal; so that each jumping roller protruding part (11.1) on the stirring and grinding rotor (1.1) and each jumping roller protruding part (11.1) on the stirring and grinding rotor (1.2) are periodically collided to generate pulse displacement along the radial direction of the jumping roller constraint annular wall (18), and each pulse stirring and grinding unit (70) on the stirring and grinding rotor (1.1) and the stirring and grinding rotor (1.2) are periodically pulse-displaced.
3. The process system for an aliphatic polyurethane advanced topcoat as set forth in claim 2, wherein: the wall bodies at two ends of the pulse stirring and grinding container (4) are respectively two arc walls (4.1) which are bilaterally symmetrical, the inner wall surfaces of the two arc walls (4.1) are arc rolling surfaces (5), and the arc axes of the arc rolling surfaces (5) of the two arc walls (4.1) are respectively overlapped with the axis of the stirring and grinding rotor (1.1) a and the axis of the stirring and grinding rotor (1.2 b); when the stirring grinding rotor (1.1) and the stirring grinding rotor (1.2) rotate along the respective axes, the jumping roller (11) on the stirring grinding rotor (1.1) and the jumping roller (11) on the stirring grinding rotor (1.2) are in periodic rolling fit with the arc rolling surface (5).
4. A process system for an aliphatic polyurethane top-coat paint as set forth in claim 3, wherein: when the jumping roller (11) is matched with the arc rolling surface (5) in a rolling way, the wheel surface of the jumping roller (11) is separated from the inner outline of the hollow window (19) of the bayonet, but the jumping roller (11) is still positioned in the bayonet, and meanwhile, the corresponding spring (10) is slightly compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621126.5A CN115011232B (en) | 2022-06-02 | 2022-06-02 | Aliphatic polyurethane advanced finish paint and process system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210621126.5A CN115011232B (en) | 2022-06-02 | 2022-06-02 | Aliphatic polyurethane advanced finish paint and process system thereof |
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| Publication Number | Publication Date |
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| CN115011232A CN115011232A (en) | 2022-09-06 |
| CN115011232B true CN115011232B (en) | 2023-05-16 |
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2022
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1179292A (en) * | 1967-03-31 | 1970-01-28 | Erich Netzsch | Agitator Grinder for Fine Grinding and/or Dispersing. |
| CN102131586A (en) * | 2008-08-25 | 2011-07-20 | 细川密克朗集团股份有限公司 | Medium-agitating powder processing device |
| CN109999964A (en) * | 2019-05-14 | 2019-07-12 | 山东义科节能科技股份有限公司 | Dry mix abrasive roller and dry mix grinding system |
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| CN115011232A (en) | 2022-09-06 |
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Denomination of invention: An Aliphatic Polyurethane Advanced Topcoat and Its Process System Effective date of registration: 20230803 Granted publication date: 20230516 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: WUXI YINGBO CHEMICAL CO.,LTD. Registration number: Y2023980050666 |