CN112174578A - Composite artificial marble and manufacturing method and polishing equipment thereof - Google Patents
Composite artificial marble and manufacturing method and polishing equipment thereof Download PDFInfo
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- CN112174578A CN112174578A CN202011045995.5A CN202011045995A CN112174578A CN 112174578 A CN112174578 A CN 112174578A CN 202011045995 A CN202011045995 A CN 202011045995A CN 112174578 A CN112174578 A CN 112174578A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/30—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds
- C04B26/32—Compounds having one or more carbon-to-metal or carbon-to-silicon linkages ; Other silicon-containing organic compounds; Boron-organic compounds containing silicon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/06—Quartz; Sand
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/04—Silica-rich materials; Silicates
- C04B14/22—Glass ; Devitrified glass
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
- C04B14/285—Marble
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/283—Polyesters
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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Abstract
The invention discloses a composite artificial marble and a manufacturing method and polishing equipment thereof, wherein the raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100 parts of modified marble powder, 20-45 parts of unsaturated polyester, 4-16 parts of quartz sand, 0.5-1.2 parts of methyl ethyl ketone peroxide, 0.2-0.8 part of cobalt iso-octoate, 1.5-3.8 parts of waste glass, 1.6-3.5 parts of polyethylene grafted maleic anhydride and 0.4-1.6 parts of silane coupling agent; the particle size of the waste glass is 20-40 meshes. The composite artificial marble prepared by the invention has excellent mechanical property, good fracture resistance, wide raw material source, low price, simple manufacturing method, easy operation of preparation process and strong market competitiveness of products, and is suitable for large-scale production.
Description
Technical Field
The invention relates to the technical field of composite materials, in particular to a composite artificial marble, a manufacturing method thereof and polishing equipment.
Background
The artificial marble is made up by using broken stone of natural marble or granite as filling material and cement, gypsum and unsaturated polyester resin as adhesive through the processes of stirring, forming, grinding and polishing, including cement type, polyester type, composite type and sintered type. Among them, the polyester type artificial marble has the characteristics of light weight, high strength and good processability, and the patterns are easy to design, good in appearance and reproducibility, and is suitable for various purposes, and is the most commonly used artificial marble in daily life. However, the unsaturated polyester resin has poor impact resistance after being cured, and the application range of the unsaturated polyester resin is greatly limited.
Chinese patent CN103086688A discloses a method for preparing artificial stone by using metakaolin and aluminum dihydrogen phosphate to compositely modify magnesium oxychloride cement, which comprises the steps of mixing MgO with MgCl with a Baume degree of 25.0-32.0 DEG Be2Preparing magnesium oxychloride cement slurry from the solution according to the proportion of 1.0: 0.8-1.0: 1.2; adding 1.0-15.0% metakaolin and 1.0-10.0% aluminum dihydrogen phosphate as composite modifier into the magnesium oxychloride cement slurry to prepare the composite modified magnesium oxychloride cement slurry. According to the weight percentage, 0.1 to 80.0 percent of marble waste stone powder or granite waste stone powder aggregate and 99.9 to 20.0 percent of composite modified magnesium oxychloride cement slurry are mixed and stirred uniformly, and then the mixture is molded by injection to prepare the magnesium oxychloride based artificial stone. However, the impact resistance of the artificial marble processed in this patent is not good.
Disclosure of Invention
In view of the above, the present invention provides a composite artificial marble, a method of manufacturing the same, and a polishing apparatus to solve the above-mentioned technical problems.
In order to achieve the purpose, the invention provides the following technical scheme: a composite artificial marble is prepared from the following raw materials in parts by weight: 100 parts of modified marble powder, 20-45 parts of unsaturated polyester, 4-16 parts of quartz sand, 0.5-1.2 parts of methyl ethyl ketone peroxide, 0.2-0.8 part of cobalt iso-octoate, 1.5-3.8 parts of waste glass, 1.6-3.5 parts of polyethylene grafted maleic anhydride and 0.4-1.6 parts of silane coupling agent; the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes.
Further, the viscosity of the unsaturated polyester is (0.8 to 1.25) pas.
The polyester resin with proper viscosity can enable the resin to be easily and uniformly soaked into the aggregate, so that the heat release at each position of the resin is uniform during curing, and the cracking phenomenon of a finished product is avoided; the particle size of the modified marble powder is 400-1000 meshes, the particle size of the waste glass is 20-40 meshes, the particle size of the quartz sand is 50-100 meshes, and compact contact layers can be formed among raw materials with different particle sizes, so that the strength of the composite artificial marble is improved.
Further, the unsaturated polyester is a quartz resin having an acid ester content of (18 to 26) mgKOH/g and a viscosity of (0.8 to 1.25) Pa · s.
Further, the method for producing the modified marble powder comprises: adding 100 parts of marble waste into a dilute sulfuric acid solution, stirring and mixing for 3-15 minutes, and filtering and separating to obtain marble powder; adding 10 parts of fly ash, 12-24 parts of montmorillonite powder and 3-13 parts of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; adding the mixed powder into a high-speed mixer, adding 10-18 parts of stearic acid, 6-14 parts of an accelerator, 1.2-6.5 parts of triethanolamine, 3.2-6.5 parts of hexadecyl trimethyl ammonium bromide and water, heating to 70-80 ℃, stirring and mixing for 40-80 minutes, carrying out vacuum drying and grinding, and sieving with a 400-1000-mesh sieve to obtain the modified marble powder.
The marble waste is pretreated and then is mixed and modified with the fly ash, the montmorillonite powder and the light calcium carbonate powder to serve as the main raw material of the composite artificial marble, so that the binding force among the raw materials is improved, the production cost is greatly reduced, the recycling of solid waste is realized, and the market competitiveness of the product is improved.
Furthermore, the concentration of the dilute sulfuric acid solution is 2.5-4.8 wt%.
Further, the raw materials for preparing the composite artificial marble comprise, by weight: 100 parts of modified marble powder, 32 parts of unsaturated polyester, 10 parts of quartz sand, 0.8 part of methyl ethyl ketone peroxide, 0.5 part of cobalt isooctanoate, 2.6 parts of waste glass, 2.5 parts of polyethylene grafted maleic anhydride and 1.0 part of silane coupling agent.
Another object of the present invention is to provide a method for manufacturing a composite artificial marble, comprising the steps of:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1-2 hours at 100 ℃, cooling to room temperature, polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
Further, in step S20, the temperature of the mixing and stirring is 68 to 79 ℃.
The invention also provides polishing equipment for manufacturing the composite artificial marble, which comprises a top plate, a grinding and polishing motor, an adjusting mechanism, a base, a lifting mechanism, a workbench, a pair of clamping mechanisms and a pair of clamping mechanisms, wherein the top plate is arranged above the base through a supporting column, the grinding and polishing motor is adjustably arranged on the top plate through the adjusting mechanism, a grinding and polishing disc is arranged on an output shaft of the grinding and polishing motor, the workbench is arranged on the base in a lifting mode through the lifting mechanism, the workbench is positioned below the grinding and polishing disc, the pair of clamping mechanisms are symmetrically arranged on the workbench in a left-right mode, the pair of clamping mechanisms are respectively connected with the pair of clamping mechanisms, the pair of clamping mechanisms are used for adjusting the distance between the pair of clamping mechanisms, and the clamping mechanisms can be clamped on a plate.
Furthermore, the adjusting mechanism comprises a driving motor, a first screw rod, a moving block and a guide rod, the driving motor and the guide rod are fixedly arranged on the top plate, the first screw rod is rotatably arranged on the top plate, one end of the first screw rod is connected with an output shaft of the driving motor, the guide rod is arranged in parallel with the first screw rod, the moving block slides on the guide rod and is in threaded connection with the first screw rod, and the grinding and polishing motor is fixedly arranged on the moving block.
Furthermore, the lifting mechanism comprises a double-shaft motor, a lifting plate and a pair of second screws, two output shafts of the double-shaft motor are respectively connected with a rotating shaft, a cantilever end of the rotating shaft is connected with a first bevel gear, the pair of second screws are vertically rotated and arranged on the base, the pair of second screws are respectively connected with a second bevel gear, the pair of second bevel gears are respectively meshed with the pair of first bevel gears, the lifting plate is simultaneously in threaded connection with the pair of second screws, a connecting column is arranged at the top of the lifting plate, and the upper end of the connecting column is connected with the workbench.
Furthermore, the clamping mechanism comprises a mounting seat, a base, a second reset spring, a clamp body, a first air cylinder, a second air cylinder and a clamping plate, wherein the mounting seat is arranged on the base in a left-right sliding manner, the second reset spring is arranged between the mounting seat and the base, the second reset spring can enable the mounting seat to move towards a direction deviating from the other mounting seat, the clamp body is arranged on the mounting seat in a left-right sliding manner, the first air cylinder is fixedly arranged on the mounting seat, a piston rod of the first air cylinder is connected with the clamp body, the second air cylinder is fixedly arranged on the clamp body, and the clamping plate is connected onto a piston rod of the second air cylinder.
Further, chucking mechanism includes framework, chucking motor, cam and swing arm, the framework is in along the setting of rectilinear sliding on the workstation, the chucking motor is adorned admittedly on the workstation, the cam with the output shaft of chucking motor, just the periphery of cam with the inner wall of framework cooperatees the chucking motor orders about when the cam rotates, the cam can drive the framework is in reciprocating motion on the workstation, the swing arm swing sets up on the workstation, the slide opening cover of swing arm one end is established on the first round pin axle in the framework, just first round pin axle can slide in the slide opening, the press head of the other end of swing arm supports and leans on the mount pad.
Furthermore, the clamping mechanism further comprises a connecting rod, an upright post and a pair of limiting posts, the pair of limiting posts are fixedly arranged on the workbench, the left side and the right side of the frame body are respectively connected with a sliding post, the pair of sliding posts are respectively arranged in limiting holes in the pair of limiting posts in a sliding mode, the first pin shaft is connected to the sliding post close to one side of the mounting seat, the upright post is fixedly arranged on the workbench, the base is fixedly arranged at the top of the upright post, the connecting rod is vertically connected to the upright post, and the swing arm is rotatably arranged on the connecting rod.
The technical scheme can show that the invention has the advantages that:
1. the composite artificial marble prepared by the invention takes unsaturated polyester and modified marble powder as main raw materials, the mixing bonding force of the unsaturated polyester and the modified marble powder is strong, waste glass and quartz sand with different particle sizes are added in a matching manner, the compactness of a product is improved, the bonding force of the raw materials among powder and the mixing strength of the modified marble powder and other raw materials are improved by modifying the marble powder, and the impact resistance of the product is improved;
2. the composite artificial marble prepared by the invention selects the polyester resin with proper viscosity, so that the resin can be easily and uniformly soaked into the aggregate, the heat release at each position of the resin is uniform during curing, and the cracking phenomenon of a finished product is avoided; the particle size of the modified marble powder is 400-1000 meshes, the particle size of the waste glass is 20-40 meshes, the particle size of the quartz sand is 50-100 meshes, and compact contact layers can be formed among raw materials with different particle sizes, so that the strength of the composite artificial marble is improved;
3. the composite artificial marble manufactured by the invention has excellent mechanical property, good fracture resistance, wide raw material source, low price, simple manufacturing method, easy operation of preparation process, strong market competitiveness of products and suitability for large-scale production;
4. according to the polishing equipment for the composite artificial marble, the clamping mechanism and the clamping mechanism are arranged, so that the plate can be stably and reliably clamped on the workbench, and the quality of the composite artificial marble is improved.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is a schematic structural diagram of the lifting mechanism of the present invention.
Fig. 3 is a partial structural schematic diagram of fig. 1.
Fig. 4 is a schematic structural view of the chucking mechanism of the present invention.
Fig. 5 is a schematic structural view of the swing arm of the present invention.
Fig. 6 is a schematic structural diagram of the clamping mechanism of the present invention.
Fig. 7 is a partial structural schematic view of the clamping mechanism of the present invention.
List of reference numerals: the grinding and polishing device comprises a top plate 1, a mounting groove 11, a guide rod 12, a support column 13, a driving motor 2, a first screw 21, a moving block 22, a grinding and polishing motor 3, a mounting frame 31, a grinding and polishing disk 32, a base 4, a groove 41, a through hole 42, a lifting mechanism 5, a double-shaft motor 51, a rotating shaft 52, a first bevel gear 521, a second bevel gear 522, a second screw 53, a lifting plate 54, a connecting column 55, a workbench 6, a clamping mechanism 7, a limiting column 71, a limiting hole 711, a first pin 712, a sliding column 72, a frame body 73, a clamping motor 74, a cam 741, a swinging arm 75, a sliding hole 751, a second pin 752, a pressing head 753, a connecting rod 76, an upright post 77, a clamping mechanism 8, a mounting seat 81, a first sliding groove 811, a first sliding block 812, a first return spring 813, a base 82, a second sliding groove 821, a second return spring 822, a cushion 83, a clamp body 84, a second sliding, Clamping plate 86, sliding wheel 861, rubber pad 87, panel 9.
Detailed Description
The following detailed description of embodiments of the invention, but the invention can be practiced in many different ways, as defined and covered by the claims.
Example 1
Composite artificial marble and manufacturing method thereof
The raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100kg of modified marble powder, 32kg of unsaturated polyester, 10kg of quartz sand, 0.8kg of methyl ethyl ketone peroxide, 0.5kg of cobalt isooctanoate, 2.6kg of waste glass, 2.5kg of polyethylene grafted maleic anhydride and 1.0kg of silane coupling agent, wherein the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes; the unsaturated polyester is quartz resin with acid ester content of (18-26) mgKOH/g and viscosity of (1.0-1.20) Pa.s;
the method for producing the modified marble powder comprises the following steps: adding 100kg of marble waste into a dilute sulfuric acid solution with the concentration of 3.6 wt%, stirring and mixing for 9 minutes, and filtering and separating to obtain marble powder; adding 10kg of fly ash, 18kg of montmorillonite powder and 8kg of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; adding the mixed powder into a high-speed mixer, adding 14kg of stearic acid, 10kg of accelerator, 3.8kg of triethanolamine, 5.0kg of hexadecyl trimethyl ammonium bromide and water, heating to 75 ℃, stirring and mixing for 60 minutes, then carrying out vacuum drying and grinding, and sieving by a 400-1000-mesh sieve to obtain the modified marble powder.
A composite artificial marble produced by the method comprising:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring at 74 ℃ to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1.5 hours at 100 ℃, cooling to room temperature, grinding and polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
Example 2
Composite artificial marble and manufacturing method thereof
The raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100kg of modified marble powder, 20kg of unsaturated polyester, 4kg of quartz sand, 0.5kg of methyl ethyl ketone peroxide, 0.2kg of cobalt isooctanoate, 1.5kg of waste glass, 1.6kg of polyethylene grafted maleic anhydride and 0.4kg of silane coupling agent; the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes;
the method for producing the modified marble powder comprises the following steps: adding 100kg of marble waste into a dilute sulfuric acid solution with the concentration of 2.5 wt%, stirring and mixing for 3 minutes, and filtering and separating to obtain marble powder; adding 10kg of fly ash, 12kg of montmorillonite powder and 3kg of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; adding the mixed powder into a high-speed mixer, adding 10kg of stearic acid, 6kg of accelerator, 1.2kg of triethanolamine, 3.2kg of hexadecyl trimethyl ammonium bromide and water, heating to 70 ℃, stirring and mixing for 40 minutes, then carrying out vacuum drying and grinding, and sieving by a 400-1000-mesh sieve to obtain the modified marble powder.
A composite artificial marble produced by the method comprising:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring at 68 ℃ to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1 hour at 100 ℃, cooling to room temperature, grinding and polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
Example 3
Composite artificial marble and manufacturing method thereof
The raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100kg of modified marble powder, 45kg of unsaturated polyester, 16kg of quartz sand, 1.2kg of methyl ethyl ketone peroxide, 0.8kg of cobalt isooctanoate, 3.8kg of waste glass, 3.5kg of polyethylene grafted maleic anhydride and 1.6kg of silane coupling agent; the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes; the viscosity of the unsaturated polyester is between (0.8 and 1.1) Pa.s;
the method for producing the modified marble powder comprises the following steps: adding 100kg of marble waste into a dilute sulfuric acid solution with the concentration of 4.8 wt%, stirring and mixing for 15 minutes, and filtering and separating to obtain marble powder; adding 10kg of fly ash, 24kg of montmorillonite powder and 13kg of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; adding the mixed powder into a high-speed mixer, adding 18kg of stearic acid, 14kg of accelerator, 6.5kg of triethanolamine, 6.5kg of hexadecyl trimethyl ammonium bromide and water, heating to 80 ℃, stirring and mixing for 80 minutes, then carrying out vacuum drying and grinding, and sieving by a 400-1000-mesh sieve to obtain the modified marble powder.
A composite artificial marble produced by the method comprising:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring at 79 ℃ to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 2 hours at 100 ℃, cooling to room temperature, grinding and polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
Example 4
Composite artificial marble and manufacturing method thereof
The raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100kg of modified marble powder, 25kg of unsaturated polyester, 12kg of quartz sand, 0.7kg of methyl ethyl ketone peroxide, 0.4kg of cobalt isooctanoate, 1.8kg of waste glass, 3.0kg of polyethylene grafted maleic anhydride and 0.6kg of silane coupling agent; the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes;
the method for producing the modified marble powder comprises the following steps: adding 100kg of marble waste into a dilute sulfuric acid solution with the concentration of 3.0 wt%, stirring and mixing for 5 minutes, and filtering and separating to obtain marble powder; adding 10kg of fly ash, 15kg of montmorillonite powder and 10kg of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; and adding the mixed powder into a high-speed mixer, adding 12kg of stearic acid, 12kg of accelerator, 5kg of triethanolamine, 6kg of hexadecyl trimethyl ammonium bromide and water, heating to 72 ℃, stirring and mixing for 50 minutes, then carrying out vacuum drying and grinding, and sieving by a 400-1000-mesh sieve to obtain the modified marble powder.
A composite artificial marble produced by the method comprising:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring at 70 ℃ to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1.2 hours at 100 ℃, cooling to room temperature, grinding and polishing, and cutting into required sizes by a cutting machine to obtain the composite artificial marble.
Example 5
A polishing apparatus for manufacturing the composite artificial marble of examples 1 to 4
As shown in fig. 1, the polishing device comprises a top plate 1, a grinding and polishing motor 3, an adjusting mechanism, a base 4, a lifting mechanism 5, a workbench 6, a pair of clamping mechanisms 7 and a pair of clamping mechanisms 8, wherein a pair of supporting columns 13 is arranged at the top of the workbench 6, the top plate 1 is connected and arranged at the tops of the pair of supporting columns 13, the adjusting mechanism is arranged on the top plate 1, the grinding and polishing motor 3 is adjustably arranged on the top plate 1 through the adjusting mechanism, a grinding and polishing disc 32 is arranged on an output shaft of the grinding and polishing motor 3, the workbench 6 is arranged on the base 4 in a lifting manner through the lifting mechanism 5, and the working table 6 is positioned below the grinding and polishing disk 32, a pair of clamping mechanisms 7 are symmetrically arranged on the working table 6 from left to right, and a pair of chucking mechanism 7 is connected with a pair of fixture 8 respectively, and a pair of chucking mechanism 7 is used for adjusting the interval between a pair of fixture 8, and fixture 8 can centre gripping on panel 9.
As shown in fig. 1, the adjusting mechanism includes a driving motor 2, a first screw 21, a moving block 22 and a guide rod 12, the driving motor 2 is fixedly installed in an installation groove 11 at the top of the top plate 1, an output shaft of the driving motor 2 is connected with the left end of the first screw 21, the right end of the first screw 21 is rotatably installed on the top plate 1, the guide rod 12 is fixedly installed on the top plate 1, the guide rod 12 is arranged below the first screw 21 in parallel, the moving block 22 slides on the guide rod 12 and the moving block 22 is in threaded connection with the first screw 21, the grinding and polishing motor 3 is fixedly installed at the bottom of the moving block 22 through an installation frame 31, when the driving motor 2 works, the first screw 21 drives the moving block 22 to move left and right, and left and right movement of.
As shown in fig. 2, the lifting mechanism 5 includes a double-shaft motor 51, a lifting plate 54 and a pair of second screws 53, the double-shaft motor 51 is disposed in a groove 41 on the base 4, the top of the groove 41 is provided with four through holes 42, two output shafts of the double-shaft motor 51 are respectively connected with a rotating shaft 52, a first bevel gear 521 is connected to a cantilever end of the rotating shaft 52, the pair of second screws 53 are vertically and rotatably disposed in the groove 41, the pair of second screws 53 are respectively connected with a second bevel gear 522, the pair of second bevel gears 522 are respectively engaged with the pair of first bevel gears 521, the lifting plate 54 is simultaneously in threaded connection with the pair of second screws 53, the top of the lifting plate 54 is provided with four connecting posts 55, the upper ends of the four connecting posts 55 respectively penetrate through the corresponding through holes 42 to be connected with the worktable 6, when the double-shaft motor 51 works, the pair of rotating shafts 52 respectively drive the corresponding second screws 53 to rotate through the corresponding, the second screw 53 drives the lifting plate 54 to ascend or descend, thereby ascending or descending the table 6.
As shown in fig. 3, 6 and 7, the clamping mechanism 8 includes a mounting base 81, a base 82, a second return spring 822, a clamp body 84, a first cylinder 842, a second cylinder 85 and a clamping plate 86, the base 82 is fixedly mounted on the top of the upright post 77, a first slider 812 is disposed at the bottom of the mounting base 81, the first slider 812 is slidably disposed in a second sliding groove 821 at the top of the base 82, one end of the second return spring 822 abuts against the first slider 812, the other end of the second return spring 822 abuts against an inner side wall of the second sliding groove 821, the second return spring 822 can move the mounting base 81 in a direction away from another mounting base 81, the clamp body 84 is "L" -shaped, a second slider 841 is disposed at each of the upper and lower sides of a vertical portion of the clamp body 84, a first sliding groove 811 is disposed at each of the upper and lower inner walls of an inner cavity of the mounting base 81, a pair of second sliders 841 is slidably disposed in a pair of the first sliding grooves 811, the clamp body 84 is arranged on the mounting seat 81 in a left-right sliding mode, the first air cylinder 842 is fixedly arranged on the mounting seat 81, a piston rod of the first air cylinder 842 extends into an inner cavity of the mounting seat 81 to be connected with the clamp body 84, the second air cylinder 85 is fixedly arranged at the top of a horizontal part of the clamp body 84, a piston rod of the second air cylinder 85 vertically extends upwards and is connected with the clamping plate 86, a sliding wheel 861 arranged on one side of the clamping plate 86 is arranged on a vertical part of the clamp body 84 in a rolling mode, rubber pads 87 are respectively bonded on the upper surface of the horizontal part of the clamp body 84 and the lower surface of the clamping plate 86, and a first reset spring 813 is arranged between the clamp body 84 and the inner cavity of the mounting seat 81.
As shown in fig. 3, 4 and 5, the chucking mechanism 7 includes a frame 73, a chucking motor 74, a cam 741, a swing arm 75, a connecting rod 76, an upright post 77 and a pair of limiting posts 71, the pair of limiting posts 71 are disposed on the worktable 6 at intervals, a sliding post 72 is respectively connected to the left and right sides of the frame 73, the pair of sliding posts 72 are respectively slidably disposed in limiting holes 711 on the pair of limiting posts 71, the chucking motor 74 is fixedly mounted on the worktable 6, the cam 741 is connected to an output shaft of the chucking motor 74, an outer periphery of the cam 741 is engaged with an inner wall of the frame 73, the upright post 77 is vertically disposed on the worktable 6, the connecting rod 76 is vertically connected to the upright post 77, the swing arm 75 is rotatably disposed on a cantilever end of the connecting rod 76 through a second pin 752, a first pin 712 is connected to a cantilever end of the sliding post 72 near one side of the upright post 77, a sliding hole 751 at a lower end of the swing, and the first pin 712 can slide in the slide hole 751, and the pressing head 753 of the upper end of the swing arm 75 abuts on the cushion pad 83 on the side of the mounting seat 81.
When fixing the plate 9, the user starts the chucking motor 74, the chucking motor 74 drives the cam 741 to rotate, so that the outer periphery of the cam 741 presses against the inner wall of the frame 73 on the side away from the upright post 77, the cam 741 drives the frame 73 to move in the direction away from the upright post 77, the frame 73 pulls the lower end of the swing arm 75 through the first pin 712, the pressing head 753 at the upper end of the swing arm 75 is pressed against the cushion pad 83, so that the mounting seat 81 moves to a large range in a direction close to the plate 9, then the first cylinder 842 is used to finely adjust the clamp body 84, after the clamp body 84 is moved to a proper position, the user controls the clamping plate 86 to move downwards through the second cylinder 85, the plate 9 is clamped and fixed between the clamping plate 86 and the clamp body 84, and the clamping mechanism 7 and the clamping mechanism 8 are arranged, so that the plate 9 can be stably and reliably clamped on the workbench 6, and the quality of the composite artificial marble is improved.
Comparative example 1
Composite artificial marble and manufacturing method thereof
The raw materials for preparing the composite artificial marble comprise the following components in parts by weight: 100kg of marble powder, 32kg of unsaturated polyester, 10kg of quartz sand, 0.8kg of methyl ethyl ketone peroxide, 0.5kg of cobalt isooctanoate, 2.6kg of waste glass, 2.5kg of polyethylene grafted maleic anhydride and 1.0kg of silane coupling agent, wherein the particle size of the waste glass is 20-40 meshes; the particle size of the quartz sand is 50-100 meshes; the unsaturated polyester is quartz resin with acid ester content of (18-26) mgKOH/g and viscosity of (1.0-1.20) Pa.s;
a composite artificial marble produced by the method comprising:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring at 74 ℃ to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1.5 hours at 100 ℃, cooling to room temperature, grinding and polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
Examples of the experiments
To further illustrate the technological advancement of the present invention, experiments are now taken to further illustrate it.
The experimental method comprises the following steps: the composite artificial marble prepared in the examples of the present invention was subjected to the performance test, and the results are shown in table 1.
TABLE 1
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (14)
1. The composite artificial marble is characterized by comprising the following raw materials in parts by weight: 100 parts of modified marble powder, 20-45 parts of unsaturated polyester, 4-16 parts of quartz sand, 0.5-1.2 parts of methyl ethyl ketone peroxide, 0.2-0.8 part of cobalt iso-octoate, 1.5-3.8 parts of waste glass, 1.6-3.5 parts of polyethylene grafted maleic anhydride and 0.4-1.6 parts of silane coupling agent; the particle size of the waste glass is 20-40 meshes.
2. The composite artificial marble of claim 1, wherein the viscosity of the unsaturated polyester is between (0.8 to 1.25) Pa-s.
3. The composite artificial marble of claim 1, wherein the unsaturated polyester is a quartz stone resin having an acid ester of (18 to 26) mgKOH/g and a viscosity of (0.8 to 1.25) Pa · s.
4. The composite artificial marble of claim 1, wherein the process for producing the modified marble powder comprises: adding 100 parts of marble waste into a dilute sulfuric acid solution, stirring and mixing for 3-15 minutes, and filtering and separating to obtain marble powder; adding 10 parts of fly ash, 12-24 parts of montmorillonite powder and 3-13 parts of light calcium carbonate powder into marble powder, and stirring and mixing uniformly to obtain mixed powder; adding the mixed powder into a high-speed mixer, adding 10-18 parts of stearic acid, 6-14 parts of an accelerator, 1.2-6.5 parts of triethanolamine, 3.2-6.5 parts of hexadecyl trimethyl ammonium bromide and water, heating to 70-80 ℃, stirring and mixing for 40-80 minutes, carrying out vacuum drying and grinding, and sieving with a 400-1000-mesh sieve to obtain the modified marble powder.
5. The composite artificial marble of claim 4, wherein the concentration of the dilute sulfuric acid solution is 2.5 to 4.8 wt%.
6. The composite artificial marble of claim 1, wherein raw materials for preparing the composite artificial marble comprise, in parts by weight: 100 parts of modified marble powder, 32 parts of unsaturated polyester, 10 parts of quartz sand, 0.8 part of methyl ethyl ketone peroxide, 0.5 part of cobalt isooctanoate, 2.6 parts of waste glass, 2.5 parts of polyethylene grafted maleic anhydride and 1.0 part of silane coupling agent.
7. A method for manufacturing a composite artificial marble as set forth in any one of claims 1 to 6, comprising the steps of:
step S10, weighing the raw materials for preparing the composite artificial marble according to the weight parts;
step S20, putting the modified marble powder, the unsaturated polyester, the quartz sand and the waste glass in parts by weight into a high-speed mixer, adding the ketone peroxide, the cobalt iso-octoate, the polyethylene grafted maleic anhydride and the silane coupling agent, and uniformly mixing and stirring to obtain a mixed material;
step S30, pouring the mixed material obtained in the step S20 into a mold, curing and then opening the mold to obtain a plate;
and step S40, placing the plate in an oven, baking for 1-2 hours at 100 ℃, cooling to room temperature, polishing, and cutting into required size by a cutting machine to obtain the composite artificial marble.
8. The method according to claim 7, wherein the temperature of the mixing and stirring in step S20 is 68 to 79 ℃.
9. A polishing device for manufacturing the composite artificial marble of any one of claims 1 to 6, comprising a top plate (1), a polishing motor (3), an adjusting mechanism, a base (4), a lifting mechanism (5), a worktable (6), a pair of clamping mechanisms (7) and a pair of clamping mechanisms (8), wherein the top plate (1) is arranged above the base (4) through a supporting column (13), the polishing motor (3) is adjustably arranged on the top plate (1) through the adjusting mechanism, a polishing disc (32) is arranged on an output shaft of the polishing motor (3), the worktable (6) is arranged on the base (4) through the lifting mechanism (5) in a lifting way, the worktable (6) is positioned below the polishing disc (32), and the pair of clamping mechanisms (7) are symmetrically arranged on the left and right of the worktable (6), and a pair of chucking mechanism (7) are connected with a pair of fixture (8) respectively, and a pair of chucking mechanism (7) are used for adjusting the interval between a pair of fixture (8), fixture (8) can centre gripping on panel (9).
10. The polishing apparatus according to claim 9, wherein the adjusting mechanism comprises a driving motor (2), a first screw (21), a moving block (22) and a guide rod (12), the driving motor (2) and the guide rod (12) are both fixed on the top plate (1), the first screw (21) is rotatably arranged on the top plate (1), one end of the first screw (21) is connected with an output shaft of the driving motor (2), the guide rod (12) is arranged in parallel with the first screw (21), the moving block (22) slides on the guide rod (12) and is in threaded connection with the first screw (21), and the polishing motor (3) is fixed on the moving block (22).
11. The polishing apparatus according to claim 9, wherein the lifting mechanism (5) comprises a biaxial motor (51), a lifting plate (54), and a pair of second screws (53), two output shafts of the double-shaft motor (51) are respectively connected with a rotating shaft (52), a first bevel gear (521) is connected to the cantilever end of the rotating shaft (52), a pair of second screws (53) are vertically and rotatably arranged on the base (4), a pair of second bevel gears (522) are respectively connected to the pair of second screws (53), the pair of second bevel gears (522) are respectively meshed with the pair of first bevel gears (521), the lifting plate (54) is simultaneously in threaded connection with a pair of second screws (53), the top of the lifting plate (54) is provided with a connecting column (55), and the upper end of the connecting column (55) is connected with the workbench (6).
12. The polishing apparatus according to claim 9, wherein the holding mechanism (8) comprises a mounting seat (81), a base (82), a second return spring (822), a fixture body (84), a first cylinder (842), a second cylinder (85) and a clamping plate (86), the mounting seat (81) is slidably disposed on the base (82) from left to right, the second return spring (822) is disposed between the mounting seat (81) and the base (82), the second return spring (822) can move the mounting seat (81) away from another mounting seat (81), the fixture body (84) is slidably disposed on the mounting seat (81) from left to right, the first cylinder (842) is fixedly disposed on the mounting seat (81), and a piston rod of the first cylinder (842) is connected with the fixture body (84), the second air cylinder (85) is fixedly arranged on the clamp body (84), and the clamping plate (86) is connected to a piston rod of the second air cylinder (85).
13. The polishing apparatus according to claim 12, wherein the chucking mechanism (7) comprises a frame body (73), a chucking motor (74), a cam (741) and a swing arm (75), the frame body (73) is linearly slidably disposed on the worktable (6), the chucking motor (74) is fixedly disposed on the worktable (6), the cam (741) is connected to an output shaft of the chucking motor (74), an outer periphery of the cam (741) is engaged with an inner wall of the frame body (73), the cam (741) can drive the frame body (73) to reciprocate on the worktable (6) when the chucking motor (74) drives the cam (741) to rotate, the swing arm (75) is swingably disposed on the worktable (6), a slide hole (751) at one end of the swing arm (75) is sleeved on a first pin shaft (712) of the frame body (73), and the first pin shaft (712) can slide in the sliding hole (751), and a pressing head (753) at the other end of the swing arm (75) abuts against the mounting seat (81).
14. The polishing device according to claim 13, wherein the chucking mechanism (7) further comprises a connecting rod (76), an upright post (77) and a pair of limiting posts (71), the pair of limiting posts (71) are fixedly mounted on the worktable (6), a sliding post (72) is connected to each of the left side and the right side of the frame body (73), the pair of sliding posts (72) are respectively slidably disposed in limiting holes (711) formed in the pair of limiting posts (71), the first pin shaft (712) is connected to the sliding post (72) on the side close to the mounting seat (81), the upright post (77) is fixedly mounted on the worktable (6), the base (82) is fixedly mounted at the top of the upright post (77), the connecting rod (76) is vertically connected to the upright post (77), and the swing arm (75) is rotatably disposed on the connecting rod (76).
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| CN112174578B (en) | 2022-04-05 |
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