CN113308193A - High-temperature-resistant composite color steel tile and production equipment thereof - Google Patents
High-temperature-resistant composite color steel tile and production equipment thereof Download PDFInfo
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- CN113308193A CN113308193A CN202110636147.XA CN202110636147A CN113308193A CN 113308193 A CN113308193 A CN 113308193A CN 202110636147 A CN202110636147 A CN 202110636147A CN 113308193 A CN113308193 A CN 113308193A
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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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/04—Movable or exchangeable mountings for tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/12—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by chains or belts
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/18—Fireproof paints including high temperature resistant paints
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/02—Grooved or vaulted roofing elements
- E04D1/06—Grooved or vaulted roofing elements of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D1/00—Roof covering by making use of tiles, slates, shingles, or other small roofing elements
- E04D1/12—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface
- E04D1/18—Roofing elements shaped as plain tiles or shingles, i.e. with flat outer surface of metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2150/00—Compositions for coatings
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a high-temperature resistant composite color steel tile, which comprises a high-temperature resistant coating and a composite color steel tile body, wherein the surface of the composite color steel tile is coated with a layer of high-temperature resistant coating, and relates to the technical field of color steel tiles, the high-temperature resistant coating is prepared by adding an auxiliary agent into the organosilicon prepolymer and the modified resin in a matching way, a large amount of Si-O bonds are formed in a reaction product after the organosilicon prepolymer and the modified resin are reacted, because the Si-O bond has higher bond energy, the reaction product has higher heat resistance, and the coating prepared by utilizing the reaction product has higher high temperature resistance, in addition, the aluminum oxide powder, the titanium dioxide powder and the talcum powder are added into the coating as auxiliary aids, so that the mechanical property of the coating can be improved, and a performance protective layer can be generated by the silicon dioxide and the aluminum oxide in the coating, so that the thermal protection effect is achieved, and the high-temperature resistance of the composite color steel tile is further improved.
Description
Technical Field
The invention relates to the technical field of color steel tiles, in particular to a high-temperature-resistant composite color steel tile and production equipment thereof.
Background
The color steel tile is also called color pressed tile, it adopts color coating steel plate, and is rolled into various wave-shaped pressed plates by cold bending, the composite color steel tile is a heat-insulating composite maintenance plate which is made up by compounding color coating steel plate or other face plate and bottom plate with heat-insulating core material by using adhesive, and is applicable to roofing, wall surface and internal and external wall decoration of industrial and civil buildings, warehouse, special building and large-span steel structure house, etc., and it has the characteristics of light weight, high strength, rich colour, convenient and quick construction, shock-proof, fire-proof, rain-proof, long service life and free maintenance, etc., and is extensively popularized and applied at present;
the whole processing process of the existing color steel tile needs manual intervention, the automation degree is low, time and labor are wasted, the processing efficiency is low, the controllable processing pressure cannot be realized, the processing quality and consistency are difficult to guarantee, the use safety performance of equipment needs to be improved, and the high temperature resistance of the color steel tile is poor, so that the service life of the color steel tile is greatly reduced;
therefore, the invention provides a high-temperature-resistant composite color steel tile and production equipment for the high-temperature-resistant composite color steel tile.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-temperature-resistant composite color steel tile and production equipment thereof, and solves the problem that the service life of the color steel tile is greatly reduced due to poor high-temperature resistance of the color steel tile.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a high-temperature resistant composite color steel tile comprises a high-temperature resistant coating and a composite color steel tile body, wherein the surface of the composite color steel tile is coated with a layer of high-temperature resistant coating;
the high-temperature resistant coating is prepared by the following steps:
adding siloxane monomers into a four-neck flask provided with a condenser pipe, a thermometer, a dropping funnel and a stirrer, stirring and heating, adding deionized water and a catalyst into the dropping funnel, dropwise adding the deionized water and the catalyst when the temperature in the four-neck flask rises to 65 ℃, continuously heating to 85 ℃, reacting for 3 hours at a constant temperature, and finally carrying out reduced pressure distillation for 2 hours at a set pressure of 0.06-0.07MPa to obtain an organic silicon prepolymer;
weighing epoxy resin, acetone and ethyl acetate, adding the epoxy resin, the acetone and the ethyl acetate into a reaction kettle, heating in a water bath until the epoxy resin is completely melted, adding an organic silicon prepolymer, stirring and heating to 80 ℃, dropwise adding a catalyst, heating to 95 ℃, carrying out heat preservation reaction for 2 hours, finally cooling to 60 ℃, adding xylene, cyclohexanone and n-butyl alcohol again, stirring and reacting for 1 hour, and finally cooling a reaction product to room temperature to obtain modified resin;
the reaction process is as follows:
weighing alumina powder, titanium dioxide powder and talcum powder, grinding and dispersing, adding a certain amount of modified resin into the mixed powder, continuously grinding for 30min, then putting the ground mixture into a beaker, adding a certain amount of modified resin into the beaker, stirring and dispersing the mixture in the beaker by using a magnetic stirrer, stirring for 20min, adding the rest of modified resin into the beaker, adding a silane coupling agent, a defoaming agent and a curing agent, and continuously stirring and dispersing for 30min to obtain the high-temperature-resistant coating;
the composite color steel tile is processed and formed through production equipment.
Preferably, in the step one, the dosage ratio of the siloxane monomer, the deionized water and the catalyst is 15.6 mL: 8.5 mL: 0.65mL, the catalyst is dibutyltin dilaurate, and in the second step, the dosage ratio of epoxy resin, acetone, ethyl acetate, the organic silicon prepolymer, the catalyst, xylene, cyclohexanone and n-butanol is 9.5 mL: 13.5 mL: 6.8 mL: 5.8 mL: 0.3 mL: 2.6 mL: 5.5 mL: 6.5 mL.
Preferably, in the third step, the dosage ratio of the alumina powder, the titanium dioxide powder and the talcum powder is 3.5 g: 0.8 g: 1.3g, the dosage of the first modified resin is 3.6 percent of the total amount of the modified resin, the dosage of the second modified resin is 25.5 percent of the total amount of the modified resin, the silane coupling agent is KH-550, the defoaming agent is dimethyl polysiloxane, and the curing agent is ethylenediamine.
The production equipment of the high-temperature-resistant composite color steel tile comprises a rack and a mounting rack, wherein the top of the rack is fixedly connected with the bottom of the mounting rack, a forming mechanism is arranged inside the mounting rack, a forming die is arranged at the bottom of the mounting rack, and a feeding mechanism and a material guiding mechanism are respectively arranged at the top of the rack and positioned at two sides of the mounting rack;
the forming mechanism comprises a movable frame, a material pressing frame, forming blocks, a buffering assembly and a servo electric cylinder, wherein the servo electric cylinder is arranged on each of two sides of the top of the mounting frame, the movable frame is arranged inside the mounting frame in a sliding mode, one end of a driving shaft of the servo electric cylinder is fixedly connected with each of two sides of the top of the movable frame, the material pressing frame is arranged below the movable frame, the buffering assembly is arranged between the material pressing frame and the movable frame, and the forming blocks are arranged at the bottom of the material pressing frame.
Preferably, the buffering subassembly includes activity post and spring, activity groove one has been seted up at the top of adjustable shelf, and the top fixedly connected with activity post of an activity groove inner wall, the surface cover of activity post is equipped with the spring, and the both ends of spring respectively with the adjustable shelf, press material frame fixed connection, press the top of material frame to set up with the activity groove two of activity post looks adaptation, and the inside sliding connection of the bottom of activity post and activity groove two.
Preferably, forming die's both sides are all through the bottom fixed connection of bolt and mounting bracket, and forming die's top is seted up the shaping groove of a plurality of and shaping piece looks adaptation, the bottom of shaping inslot wall is provided with the sand grip.
Preferably, the feeding mechanism comprises a feeding frame, a first feeding chain wheel, a second feeding chain wheel and a servo motor, the top of the frame is fixedly connected with the feeding frame on the left side of the mounting frame, the first feeding chain wheel and the second feeding chain wheel are arranged on two sides of the inside of the feeding frame, a feeding groove is formed in the feeding frame, the first feeding chain wheel and the second feeding chain wheel are respectively located above and below the feeding groove, the servo motor is arranged on two sides of the feeding frame, one end of each of two servo motor output shafts extends into the corresponding first feeding chain wheel, a transmission gear is arranged inside each of the first feeding chain wheel and the second feeding chain wheel, the surface of the transmission gear is meshed with the inner walls of the first feeding chain wheel and the second feeding chain wheel, and one end of each servo motor output shaft is fixedly connected with the inside of the transmission gear.
Preferably, the material guiding mechanism comprises a material guiding frame and material guiding rollers, the top of the rack is fixedly connected with the material guiding frame on the right side of the mounting frame, a material guiding groove is formed in the material guiding frame, a plurality of material guiding rollers are arranged at the bottom of the inner wall of the material guiding groove, and the material guiding rollers are rotatably connected with the material guiding groove.
(III) advantageous effects
The invention provides a high-temperature-resistant composite color steel tile and production equipment thereof, and compared with the prior art, the high-temperature-resistant composite color steel tile has the following beneficial effects:
(1) the high-temperature-resistant coating is prepared by adding the auxiliary agent into the organosilicon prepolymer and the modified resin in a matching manner, a large number of Si-O bonds are formed in a reaction product after the organosilicon prepolymer and the modified resin react, the Si-O bonds have higher bond energy, the reaction product has higher heat resistance, the coating prepared by utilizing the reaction product has higher high-temperature-resistant performance, in addition, the mechanical performance of the coating can be improved by adding alumina powder, titanium dioxide powder and talcum powder into the coating as auxiliary agents, and a performance protective layer can be generated by silica and alumina in the coating, so that the thermal protection effect is achieved, and the high-temperature-resistant performance of the composite color steel tile is further improved;
(2) the forming mechanism in the production equipment is adopted to complete the forming processing of the composite steel plate, in the forming processing process of the color steel tile, the buffer force between the movable frame and the material pressing frame can be effectively formed by utilizing the matching arrangement between the movable column and the spring, thereby effectively avoiding the rigid abrasion between the movable frame and the material pressing frame, the forming mold is fixedly connected with the bottom of the mounting frame through a bolt, thereby realizing the convenient replacement of the forming mold, the raised strip is arranged in the forming groove, the traditional horizontal strip type forming of the color steel tile is changed, the raised strip is formed in the forming groove, the mechanical property of the color steel tile structure is further improved, in addition, the composite steel plate utilizes the feeding mechanism and the guide mechanism to guide the material in the forming processing process, the problems of large labor output, time and labor waste in the color steel tile processing process are solved, the automation degree of the production equipment is higher, thereby effectively improving the processing efficiency.
Drawings
FIG. 1 is a schematic view of the structure of the production equipment of the high temperature resistant composite color steel tile of the present invention;
FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;
FIG. 3 is an enlarged view of the structure of FIG. 2 at B according to the present invention;
FIG. 4 is a schematic view of the movable frame, the material pressing frame and the buffer assembly of the present invention;
FIG. 5 is a cross-sectional view of the feed mechanism configuration of the present invention;
FIG. 6 is a schematic view of a material guiding mechanism according to the present invention;
in the figure: 10. a frame; 20. a mounting frame; 1. a molding mechanism; 11. a movable frame; 12. a material pressing frame; 13. forming a block; 14. a buffer assembly; 141. a movable post; 142. a spring; 143. a first movable groove; 144. a second movable groove; 15. a servo electric cylinder; 2. forming a mold; 21. forming a groove; 3. a feeding mechanism; 31. a feeding frame; 32. a feeding chain wheel I; 33. a feeding chain wheel II; 34. a servo motor; 4. a material guiding mechanism; 41. a material guide frame; 42. a material guide roller; 43. a material guide groove.
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.
Example 1:
the high-temperature resistant coating is prepared by the following steps:
step one, adding 15.6mL of siloxane monomer into a four-neck flask provided with a condenser tube, a thermometer, a dropping funnel and a stirrer, stirring and heating, adding 8.5mL of deionized water and 0.65mL of catalyst into the dropping funnel, dropwise adding the deionized water and the catalyst when the temperature in the four-neck flask rises to 65 ℃, continuously heating to 85 ℃, reacting at a constant temperature for 3 hours, and finally carrying out reduced pressure distillation for 2 hours at the set pressure of 0.06MPa to obtain an organic silicon prepolymer;
weighing 9.5mL of epoxy resin, 13.5mL of acetone and 6.8mL of ethyl acetate, adding the epoxy resin, the acetone and the ethyl acetate into a reaction kettle, heating in a water bath until the epoxy resin is completely melted, adding 5.8mL of organic silicon prepolymer, stirring and heating to 80 ℃, dropwise adding 0.3mL of catalyst, heating to 95 ℃, carrying out heat preservation reaction for 2 hours, finally cooling to 60 ℃, adding 2.6mL of dimethylbenzene, 5.5mL of cyclohexanone and 6.5mL of n-butyl alcohol again, stirring and reacting for 1 hour, and finally cooling the reaction product to room temperature to obtain modified resin;
weighing 3.5g of alumina powder, 0.8g of titanium dioxide powder and 1.3g of talcum powder, grinding and dispersing, adding a certain amount of modified resin into the mixed powder, continuously grinding for 30min, then putting the ground mixture into a beaker, adding a certain amount of modified resin into the beaker, stirring and dispersing the mixture in the beaker by using a magnetic stirrer, stirring for 20min, adding the rest of modified resin into the beaker, adding a silane coupling agent, a defoaming agent and a curing agent, and continuously stirring and dispersing for 30min to obtain the high-temperature-resistant coating.
Example 2:
the high-temperature resistant coating is prepared by the following steps:
step one, adding 13.6mL of siloxane monomer into a four-neck flask provided with a condenser tube, a thermometer, a dropping funnel and a stirrer, stirring and heating, adding 6.5mL of deionized water and 0.55mL of catalyst into the dropping funnel, dropwise adding the deionized water and the catalyst when the temperature in the four-neck flask rises to 65 ℃, continuously heating to 85 ℃, reacting for 3 hours at a constant temperature, and finally carrying out reduced pressure distillation for 2 hours at the set pressure of 0.07MPa to obtain an organic silicon prepolymer;
weighing 6.5mL of epoxy resin, 10.2mL of acetone and 4.1mL of ethyl acetate, adding the epoxy resin, 10.2mL of acetone and 4.1mL of ethyl acetate into a reaction kettle, heating in a water bath until the epoxy resin is completely melted, adding 3.5mL of organic silicon prepolymer, stirring and heating to 80 ℃, dropwise adding 0.1mL of catalyst, heating to 95 ℃, carrying out heat preservation reaction for 2 hours, finally cooling to 60 ℃, adding 0.8mL of dimethylbenzene, 3.4mL of cyclohexanone and 4.5mL of n-butyl alcohol again, stirring and reacting for 1 hour, and finally cooling the reaction product to room temperature to obtain modified resin;
step three, weighing 1.5g of alumina powder, 0.2g of titanium dioxide powder and 0.8g of talcum powder, grinding and dispersing, adding a certain amount of modified resin into the mixed powder, continuing grinding for 30min, then putting the ground mixture into a beaker, adding a certain amount of modified resin into the beaker, stirring and dispersing the mixture in the beaker by using a magnetic stirrer, stirring for 20min, adding the rest of modified resin into the beaker, adding a silane coupling agent, a defoaming agent and a curing agent, and continuing stirring and dispersing for 30min to obtain the high-temperature-resistant coating.
Example 3:
the high-temperature resistant composite color steel tile is prepared by the following steps:
firstly, carrying out cold press molding on a composite steel plate by using production equipment to obtain a composite color steel tile;
and step two, uniformly coating the high-temperature-resistant coating prepared in the embodiment 1 on the surface of the composite color steel tile, and drying at room temperature to obtain the high-temperature-resistant composite color steel tile.
Example 4:
the high-temperature resistant composite color steel tile is prepared by the following steps:
firstly, carrying out cold press molding on a composite steel plate by using production equipment to obtain a composite color steel tile;
and step two, uniformly coating the high-temperature-resistant coating prepared in the embodiment 2 on the surface of the composite color steel tile, and drying at room temperature to obtain the high-temperature-resistant composite color steel tile.
Comparative example:
the comparative example adopts a commercially available composite color steel tile.
Comparative experiment:
selecting the composite color steel tile of the embodiments 3-4 and the comparative examples to perform a high temperature resistance test, placing the cured and maintained sample in a box-type resistance furnace according to GB/T1735-2009 test specifications, setting a programmed heating step, setting a heating rate to be 2 ℃/min, performing heat preservation treatment when the test temperature is reached, keeping the heat preservation time to be 2h, then turning off a power supply to perform natural cooling, taking out the sample after cooling to room temperature, observing the surface paint state of the composite color steel tile by using a magnifier, and if the surface paint of the composite color steel tile does not crack or bulge, indicating that the composite color steel tile has excellent high temperature resistance, wherein the test results are as follows:
TABLE 1
| Example 3 | Example 4 | Comparative example | |
| Surface state at 200 deg.C | Without cracks | Without cracks | Slight cracking |
| Surface state at 300 deg.C | Without cracks | Without cracks | Severe cracking |
As can be seen from Table 1, the high temperature resistance of the composite color steel tiles of examples 3-4 is significantly better than that of the comparative example.
Referring to fig. 1-6, a production apparatus for a high temperature resistant composite color steel tile includes a frame 10 and an installation frame 20, wherein the top of the frame 10 is fixedly connected to the bottom of the installation frame 20, a forming mechanism 1 is disposed inside the installation frame 20, a forming mold 2 is disposed at the bottom of the installation frame 20, and a feeding mechanism 3 and a material guiding mechanism 4 are respectively disposed at the top of the frame 10 and at two sides of the installation frame 20;
the forming mechanism 1 comprises a movable frame 11, a material pressing frame 12, forming blocks 13, a buffer assembly 14 and servo electric cylinders 15, wherein the servo electric cylinders 15 are arranged on two sides of the top of the mounting frame 20, the movable frame 11 is arranged inside the mounting frame 20 in a sliding manner, one ends of driving shafts of the two servo electric cylinders 15 are respectively fixedly connected with two sides of the top of the movable frame 11, the material pressing frame 12 is arranged below the movable frame 11, the buffer assembly 14 is arranged between the material pressing frame 12 and the movable frame 11, and a plurality of forming blocks 13 are arranged at the bottom of the material pressing frame 12;
the buffer assembly 14 comprises a movable column 141 and a spring 142, a movable groove I143 is formed in the top of the movable frame 11, the movable column 141 is fixedly connected to the top of the inner wall of the movable groove I143, the spring 142 is sleeved on the surface of the movable column 141, two ends of the spring 142 are fixedly connected with the movable frame 11 and the material pressing frame 12 respectively, a movable groove II 144 matched with the movable column 141 is formed in the top of the material pressing frame 12, the bottom end of the movable column 141 is slidably connected with the inner portion of the movable groove II 144, two sides of the forming mold 2 are fixedly connected with the bottom of the mounting frame 20 through bolts, a plurality of forming grooves 21 matched with the forming blocks 13 are formed in the top of the forming mold 2, and convex strips are arranged at the bottoms of the inner walls of the forming grooves 21;
the feeding mechanism 3 comprises a feeding frame 31, a first feeding chain wheel 32, a second feeding chain wheel 33 and a servo motor 34, the feeding frame 31 is fixedly connected to the top of the rack 10 and positioned on the left side of the mounting frame 20, the first feeding chain wheel 32 and the second feeding chain wheel 33 are arranged on two sides of the inside of the feeding frame 31, a feeding groove is formed in the feeding frame 31, the first feeding chain wheel 32 and the second feeding chain wheel 33 are respectively positioned above and below the feeding groove, the servo motor 34 is arranged on two sides of the feeding frame 31, one end of an output shaft of each of the two servo motors 34 extends into the corresponding one feeding chain wheel 32, transmission gears are arranged in the first feeding chain wheel 32 and the second feeding chain wheel 33, the surfaces of the transmission gears are in meshed transmission with the inner walls of the first feeding chain wheel 32 and the second feeding chain wheel 33, and one end of the output shaft of;
guide mechanism 4 includes guide frame 41 and guide roller 42, and frame 10 top just is located the right side fixedly connected with guide frame 41 of mounting bracket 20, and guide chute 43 has been seted up to the inside of guide frame 41, and the bottom of guide chute 43 inner wall is provided with a plurality of guide roller 42, and guide roller 42 is located the inside rotation of guide chute 43 and connects.
And those not described in detail in this specification are well within the skill of those in the art.
The working principle of the composite color steel tile production equipment is that when the composite color steel tile production equipment is used, a composite steel plate is stuffed into a material guide groove 43, one side of the composite steel plate penetrates through an installation frame 20 and extends into a feeding frame 31, a feeding mechanism 3 is started, an output shaft of a servo motor 34 drives a feeding chain wheel I32 to rotate, the feeding chain wheel I32 and a feeding chain wheel II 33 are utilized to enable the composite steel plate to move to one side, drive shafts of two servo electric cylinders 15 are controlled to synchronously extend out, a movable frame 11 is pushed to move downwards in the installation frame 20, the movable frame 11 pushes a material pressing frame 12 to be close to the composite steel plate, a buffer is formed between the material pressing frame 12 and the movable frame 11 by utilizing a movable column 141 and a spring 142, rigid damage between the material pressing frame 12 and the movable frame 11 is avoided, a forming block 13 at the bottom of the material pressing frame 12 applies pressure to the composite steel plate, forming processing of the composite steel plate is completed through a forming groove 21 in a forming die 2, then the composite steel plate moves to one side, and continuously carrying out forming processing treatment on the clad steel plate through the pressing frame 12.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (8)
1. The high-temperature-resistant composite color steel tile is characterized in that: the high-temperature-resistant composite color steel tile comprises a high-temperature-resistant coating and a composite color steel tile body, wherein the surface of the composite color steel tile is coated with a layer of high-temperature-resistant coating;
the high-temperature resistant coating is prepared by the following steps:
adding siloxane monomers into a four-neck flask provided with a condenser pipe, a thermometer, a dropping funnel and a stirrer, stirring and heating, adding deionized water and a catalyst into the dropping funnel, dropwise adding the deionized water and the catalyst when the temperature in the four-neck flask rises to 65 ℃, continuously heating to 85 ℃, reacting for 3 hours at a constant temperature, and finally carrying out reduced pressure distillation for 2 hours at a set pressure of 0.06-0.07MPa to obtain an organic silicon prepolymer;
weighing epoxy resin, acetone and ethyl acetate, adding the epoxy resin, the acetone and the ethyl acetate into a reaction kettle, heating in a water bath until the epoxy resin is completely melted, adding an organic silicon prepolymer, stirring and heating to 80 ℃, dropwise adding a catalyst, heating to 95 ℃, carrying out heat preservation reaction for 2 hours, finally cooling to 60 ℃, adding xylene, cyclohexanone and n-butyl alcohol again, stirring and reacting for 1 hour, and finally cooling a reaction product to room temperature to obtain modified resin;
weighing alumina powder, titanium dioxide powder and talcum powder, grinding and dispersing, adding a certain amount of modified resin into the mixed powder, continuously grinding for 30min, then putting the ground mixture into a beaker, adding a certain amount of modified resin into the beaker, stirring and dispersing the mixture in the beaker by using a magnetic stirrer, stirring for 20min, adding the rest of modified resin into the beaker, adding a silane coupling agent, a defoaming agent and a curing agent, and continuously stirring and dispersing for 30min to obtain the high-temperature-resistant coating;
the composite color steel tile is processed and formed through production equipment.
2. The high temperature resistant composite color steel tile according to claim 1, characterized in that: in the first step, the dosage ratio of the siloxane monomer, the deionized water and the catalyst is 15.6 mL: 8.5 mL: 0.65mL, the catalyst is dibutyltin dilaurate, and in the second step, the dosage ratio of epoxy resin, acetone, ethyl acetate, the organic silicon prepolymer, the catalyst, xylene, cyclohexanone and n-butanol is 9.5 mL: 13.5 mL: 6.8 mL: 5.8 mL: 0.3 mL: 2.6 mL: 5.5 mL: 6.5 mL.
3. The high temperature resistant composite color steel tile according to claim 1, characterized in that: in the third step, the dosage ratio of the alumina powder, the titanium dioxide powder and the talcum powder is 3.5 g: 0.8 g: 1.3g, the dosage of the first modified resin is 3.6 percent of the total amount of the modified resin, the dosage of the second modified resin is 25.5 percent of the total amount of the modified resin, the silane coupling agent is KH-550, the defoaming agent is dimethyl polysiloxane, and the curing agent is ethylenediamine.
4. The production equipment of the high-temperature resistant composite color steel tile according to claim 1, comprising a frame (10) and a mounting rack (20), wherein the top of the frame (10) is fixedly connected with the bottom of the mounting rack (20), and the production equipment is characterized in that: a forming mechanism (1) is arranged inside the mounting rack (20), a forming die (2) is arranged at the bottom of the mounting rack (20), and a feeding mechanism (3) and a material guiding mechanism (4) are respectively arranged at the top of the rack (10) and positioned at two sides of the mounting rack (20);
the forming mechanism (1) comprises a movable frame (11), a material pressing frame (12), forming blocks (13), a buffer assembly (14) and servo electric cylinders (15), wherein the servo electric cylinders (15) are arranged on two sides of the top of the mounting frame (20), the movable frame (11) is arranged inside the mounting frame (20) in a sliding mode, the servo electric cylinders (15) are fixedly connected with one end of a driving shaft of each servo electric cylinder (15) and two sides of the top of the movable frame (11), the material pressing frame (12) is arranged below the movable frame (11), the buffer assembly (14) is arranged between the material pressing frame (12) and the movable frame (11), and the forming blocks (13) are arranged at the bottom of the material pressing frame (12).
5. The production equipment of the high-temperature-resistant composite color steel tile according to claim 4, characterized in that: buffer unit (14) are including activity post (141) and spring (142), activity groove (143) have been seted up at the top of adjustable shelf (11), and the top fixedly connected with activity post (141) of activity groove (143) inner wall, the surface cover of activity post (141) is equipped with spring (142), and the both ends of spring (142) respectively with adjustable shelf (11), press material frame (12) fixed connection, press the top of material frame (12) to set up with the activity groove two (144) of activity post (141) looks adaptation, and the inside sliding connection of the bottom of activity post (141) and activity groove two (144).
6. The production equipment of the high-temperature-resistant composite color steel tile according to claim 4, characterized in that: the both sides of forming die (2) are all through the bottom fixed connection of bolt and mounting bracket (20), and forming groove (21) of a plurality of and shaping piece (13) looks adaptation are seted up at the top of forming die (2), the bottom of shaping groove (21) inner wall is provided with the sand grip.
7. The production equipment of the high-temperature-resistant composite color steel tile according to claim 4, characterized in that: feeding mechanism (3) are including pay-off frame (31), pay-off sprocket (32), pay-off sprocket two (33) and servo motor (34), frame (10) top just is located left side fixedly connected with pay-off frame (31) of mounting bracket (20), and the inside both sides of pay-off frame (31) all are provided with pay-off sprocket (32) and pay-off sprocket two (33), the chute feeder has been seted up to the inside of pay-off frame (31), and pay-off sprocket (32) and pay-off sprocket two (33) are located the upper and lower side of chute feeder respectively, the both sides of pay-off frame (31) all are provided with servo motor (34), and the one end of two servo motor (34) output shafts extends to the inside of two pay-off sprocket (32) respectively.
8. The production equipment of the high-temperature-resistant composite color steel tile according to claim 4, characterized in that: the material guiding mechanism (4) comprises a material guiding frame (41) and material guiding rollers (42), the top of the rack (10) is fixedly connected with the material guiding frame (41) on the right side of the mounting frame (20), a material guiding groove (43) is formed in the material guiding frame (41), and the bottom of the inner wall of the material guiding groove (43) is provided with the material guiding rollers (42).
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| CN202110636147.XA CN113308193A (en) | 2021-06-08 | 2021-06-08 | High-temperature-resistant composite color steel tile and production equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110636147.XA CN113308193A (en) | 2021-06-08 | 2021-06-08 | High-temperature-resistant composite color steel tile and production equipment thereof |
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| CN113308193A true CN113308193A (en) | 2021-08-27 |
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