Grouting type pattern texture artificial stone and preparation method thereof

Through the preparation method of grouting-type textured artificial stone, the problems of single texture and low production efficiency in the existing technology are solved, diversified texture design and efficient production are achieved, and the visual effect and market competitiveness of the product are enhanced.

CN119188966APending Publication Date: 2024-12-27GUANGXI LISHENG STONE CO LTD
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Patent Information

Application Number
CN202411579156.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-07
Publication Date
2024-12-27

AI Technical Summary

Technical Problem

The existing artificial stone texture production process has problems such as single colors, old-fashioned fabric methods, unnatural textures, poor stability and low production efficiency, resulting in the lack of competitiveness of the products in the market.

Method used

The preparation method of grouting-type textured artificial stone is adopted, and the artificial stone slurry is injected under vacuum by mixing and mixing modified calcium carbonate powder, unsaturated polyester resin and additives with a continuous automatic grouting machine to inject artificial stone slurry under vacuum environment to form natural texture , and achieves diversified and layered texture design through vacuum high-frequency vibration and high-pressure pressing.

Benefits of technology

The artificial stone slabs produced are clear and uniform in texture and are clearly layered, which gets rid of the limitations of small patterns and fine lines, improves the overall quality and visual effect of the product, simplifies the production process, improves the production efficiency and stability of product quality. Reduced costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of artificial stone preparation, and discloses a grouting type pattern texture artificial stone and a preparation method thereof.The preparation method comprises the steps that materials are conveyed through a material conveying belt conveyor; the material is pressed to be uniform in thickness through the feeding driving pressing roller; a continuous automatic grouting machine cuts a material groove in the material layer, and artificial stone slurry is injected; the material is further thinned and compacted by a discharging driving compression roller; the materials are scraped off by an arc-shaped scraper of the belt conveyor and fall into a material mold; and carrying out vacuum vibration, high-pressure pressing and other treatment steps to obtain the grouting type pattern texture artificial stone product. The artificial stone product with the required texture structure can be flexibly customized according to different product requirements, the production process is simple and reliable, the operation and maintenance cost is low, the texture is unique and novel, and continuous and efficient production can be achieved.
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Description

[Technical field]

[0001] The invention relates to the technical field of artificial stone preparation, in particular to a grouting type patterned artificial stone and a preparation method thereof. [Background technology]

[0002] The formation of artificial stone texture is a complex and delicate process, which is mainly achieved through various processes such as material color mixing, color powder sprinkling, and color paste spraying. However, there are a series of significant problems in the existing artificial stone texture production process. The stone texture formed by these traditional processes is relatively limited, with a single color and lack of long strips of texture with a certain width and visual impact. This is mainly because the current spreading method is too old-fashioned and lacks innovation and diversity. The two-color and multi-color textures on the market often appear unnatural, which is mainly caused by technical limitations in the spreading process. Traditional spreading methods often rely on manual operations, which not only makes production efficiency low, but also makes it difficult to ensure the stability and consistency of product texture.

[0003] Although the method of mixing material patterns and textures can produce colorful patterns, these patterns often appear as small floral patterns, and the texture layering is not obvious, making the overall visual effect appear relatively monotonous and dull. In the method of mixing material patterns and textures, the spreading process is usually carried out in a mixer. In this process, another color paste or other color mixing materials that have been mixed will be added to the mixer and stirred slowly. However, this mixing method often causes the two-color, multi-color and granular textures to be scratched or scratched. This is because the mechanical force during the mixing process will destroy the originally designed texture structure, making the texture of the final product appear messy and lacking in naturalness and beauty. In addition, the stability of this spreading method is also poor. Due to manual operation and uncertainty in the mixing process, the texture and color of the product often deviate and are inconsistent. This not only affects the appearance quality of the product, but also reduces its competitiveness in the market.

[0004] Although artificial stone produced by powdering and spraying technology has certain flexibility in pattern creation, it also has significant problems. Since powdering and spraying are difficult to control accurately, the patterns of the products produced are often unevenly distributed, and some panels are prone to lack of patterns, which makes them look too monotonous, while other panels have too dense patterns, which makes them look messy. This uneven distribution of patterns not only affects the overall aesthetics of the product, but also reduces its consistency and reliability as a decorative material.

[0005] In summary, although the current artificial stone texture forming process has achieved certain results, there are still problems such as single color, old-fashioned laying method, unnatural texture, poor stability and low production efficiency. These problems restrict the development and progress of the artificial stone industry, and further innovation and improvement are needed to meet the market demand for high-quality and diversified artificial stone products.

[0006] The disclosure of the above background technology content is only used to assist in understanding the concept and technical solution of the present invention. It does not necessarily belong to the prior art of this patent application. In the absence of clear evidence that the above content has been disclosed on the filing date of this patent application, the above background technology should not be used to evaluate the novelty and creativity of the present application. [Summary of the invention]

[0007] In order to solve the problems existing in the background technology, the present invention provides a grouting type patterned texture artificial stone and a preparation method thereof.

[0008] To achieve the above object, the present invention adopts the following technical solution:

[0009] A method for preparing a grouting type patterned artificial stone is to produce the grouting type patterned artificial stone by using a manufacturing device for the grouting type patterned artificial stone, and is characterized by comprising the following steps:

[0010] (1) Stirring and mixing modified calcium carbonate powder, unsaturated polyester resin, and additives uniformly, stirring the materials until they are in a clumping state to obtain artificial stone materials, and transporting them to a material conveyor belt machine; stirring and mixing unsaturated polyester resin, modified calcium carbonate powder, modified quartz powder, pigment powder, and additives uniformly to obtain artificial stone slurry, and adding it to a continuous automatic grouting machine;

[0011] (2) The mixed artificial stone material falls into the material conveyor belt, and the feeding active pressing roller presses the uneven material into a material with uniform thickness. The material conveyor belt conveys the mixed artificial stone material from right to left;

[0012] (3) When the artificial stone material is transported to the continuous automatic grouting machine, the continuous automatic grouting machine cuts the artificial stone material to form a material groove, and then injects artificial stone slurry into the material groove; under a vacuum environment, the artificial stone slurry in the material groove will diffuse to the surroundings to form a texture;

[0013] (4) The material continues to be transported forward. When it passes through the active pressure roller of the material discharging, the active pressure roller of the material discharging further thins and compacts the material layer forming the grouting texture. The texture of the material groove and the slurry inside the groove further changes under the roller pressure, making the texture more natural.

[0014] (5) The material is scraped off by the curved scraper of the belt conveyor at the end of the material conveyor belt and falls evenly into the material mold; the material is formed into grouting-type patterned artificial stone cubes through vacuum high-frequency vibration and high-pressure pressing in the mold;

[0015] (6) The formed artificial stone cubes are allowed to solidify, and the solidified artificial stone cubes are cut, ground and polished to finally obtain grouting type patterned artificial stone products.

[0016] Preferably, the artificial stone material in step (1) comprises the following raw materials in weight percentage: 89.0%-93.0% calcium carbonate powder, 6.9%-10.8% unsaturated polyester resin, and 0.1%-0.14% additives; the artificial stone slurry comprises the following raw materials in weight percentage: 17.0%-22.0% unsaturated polyester resin, 58.0%-76.0% calcium carbonate powder, 0.0%-20% quartz powder, 0.5%-4.0% pigment powder, and 0.1%-0.3% additives; the ratio of artificial stone slurry to artificial stone material is 1:1000-5:1000.

[0017] Preferably, the auxiliary agent includes one or more of a curing agent, a accelerator, and a thickener.

[0018] Preferably, the curing agent is methyl ethyl ketone peroxide.

[0019] Preferably, the accelerator is cobalt isooctanoate.

[0020] Preferably, the thickener is hydroxymethyl cellulose ether.

[0021] Preferably, the pigment includes one or more of iron black, titanium dioxide, iron yellow and iron red.

[0022] Preferably, the particle size of the calcium carbonate powder added to the artificial stone material in step (1) is 500-700 mesh; the particle size of the calcium carbonate powder added to the artificial stone slurry is 700-900 mesh, and the particle size of the quartz powder is 1100-1300 mesh.

[0023] Preferably, the material conveying belt in step (2) has a forward speed of 0.2-0.5 m / s.

[0024] Preferably, the vacuum degree of the vacuum in step (3) is -0.1 MPa.

[0025] Preferably, the vacuum degree of the vacuum in step (5) is -0.1 MPa, the vibration frequency is 3000-4000 times / min, and the pressing pressure is 80-120 bar.

[0026] Compared with the prior art, the present invention has the following technical advantages:

[0027] (1) In terms of texture, the artificial stone board produced by the present invention has clear and uniform texture on the board surface, and each texture is natural and transparent with distinct layers. Compared with the multi-color artificial stone texture formed by mixing materials, sprinkling color powder, and spraying color paste in the past, the product of the present invention is free from the limitations of small patterns and fine lines, and realizes the diversification and layering of texture. At the same time, the board surface has no dry powder or pores, and the surface is smooth and smooth with delicate touch, which greatly improves the overall quality and visual effect of the product.

[0028] (2) In traditional production methods, processes such as powdering and spraying easily lead to low production efficiency, and product quality is difficult to stably control, and problems such as uneven board patterns, partial missing or too dense patterns often occur. However, the present invention simplifies the production steps through scientific and reasonable process design, realizes the automation and intelligence of the production process, and greatly improves production efficiency. At the same time, the continuity of its production process ensures the stability and consistency of product quality, reduces the scrap rate, and improves the overall production efficiency and market response speed.

[0029] (3) Compared with the complex operation and high reliance on manual labor of traditional technologies, the present invention is simple and convenient to operate. It not only reduces the requirements on the skill level of operators, but also reduces production errors caused by human factors, thereby reducing production costs and making production more efficient and continuous. In addition, by optimizing material ratios and utilization, the present invention can also effectively control raw material consumption, achieve efficient utilization of resources, further reduce production costs, and enhance the market competitiveness of products.

[0030] In summary, compared with traditional artificial stone texture production technology, the present invention has achieved significant improvements and breakthroughs in visual effects, production efficiency, operational convenience, cost control, etc.

Brief Description of the Drawings

[0031] Figure 1 Three views of the manufacturing device for grouting-type patterned artificial stone.

[0032] Figure 2 The front view of the manufacturing device of grouting type patterned artificial stone.

[0033] Figure 3 The top view is of a manufacturing device for grouting-type patterned artificial stone.

[0034] Figure 4 This is a left view of a manufacturing device for grouting-type patterned artificial stone.

[0035] Figure 5 It is a schematic diagram of the structure of the active feed roller.

[0036] Figure 6 It is a schematic diagram of the left section structure of the continuous automatic grouting machine.

[0037] Figure 7 It is a structural schematic diagram of the curved scraper of the belt conveyor.

[0038] Figure 8 This is a schematic diagram of the grouting-type patterned artificial stone product prepared in Example 1.

[0039] Figure 2 In the middle: 2-1 is the belt conveyor driving roller, 2-2 is the passive roller, 2-3 is the common roller, 2-4 is the active pressure roller for feeding, 2-5 is the active pressure roller for discharging, 2-6 is the groove cutting wheel, 2-7 is the slurry outlet, 2-8 is the belt conveyor arc scraper, 2-9 is the material mixing system, 2-10 is the material weighing system, 2-11 is the rubber conveyor belt, and 2-12 is the rough material pressing and forming system.

[0040] Figure 4 Middle: 2-6 is the groove cutting wheel, 2-7 is the slurry outlet, and 2-13 is the belt conveyor material baffle. [Specific implementation method]

[0041] The present invention will be further described in detail below in conjunction with specific implementations and with reference to the accompanying drawings. It should be emphasized that the following description is merely exemplary and is not intended to limit the scope of the present invention and its application.

[0042] In the description of this application, it should be understood that the terms "lower", "inside", "upper left", "upper right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this patent and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on this patent.

[0043] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "compose", "connect", and "set" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

[0044] In the embodiment of the present invention, the manufacturing device of the grouting type patterned artificial stone includes five parts: a material conveying belt conveyor; a feeding active pressure roller 2-4; a continuous automatic grouting machine; a discharging active pressure roller 2-5; and a belt conveyor arc scraper 2-8. Figure 1 , Figure 2 , Figure 3 , Figure 4 .exist Figure 2Among them, the material mixing system 2-9, the material weighing system 2-10, and the rough material pressing and molding system 2-12 are devices other than the five parts of the manufacturing device described in the present invention.

[0045] The working process of the manufacturing device of the grouting type patterned artificial stone is as follows: the material conveyor belt of the material conveyor conveyor conveys the material, the material is flattened when passing through the feeding active pressure roller 2-4, the continuous automatic grouting machine cuts grooves out of the material and injects grout, the discharging active pressure roller 2-5 presses out the material texture, and the arc scraper of the belt conveyor scrapes the material to the mold.

[0046] The material conveyor belt conveyor includes a belt conveyor driving roller 2-1, a passive roller 2-2, a roller fixing frame, a rubber conveyor belt 2-11, a common roller 2-3, and a belt conveyor material baffle 2-13; the driving roller is installed at the left end of the material conveyor belt conveyor, the passive roller is installed at the right end of the material conveyor belt conveyor, the common roller is evenly installed on the roller fixing frame to support the rubber conveyor belt horizontally without being concave, the rubber conveyor belt is installed on the surface of the driving roller and the passive roller, and the tension of the rubber conveyor belt can be adjusted according to work requirements; the material conveyor belt conveyor operates counterclockwise to convey the mixed artificial stone material from right to left; the belt conveyor material baffle prevents the material from overflowing and falling from the belt conveyor.

[0047] The feeding active roller comprises a first pair of rollers, a first transmission motor, a gear reducer, gears and a transmission chain; the first pair of rollers is coordinated and linked with the two rollers through the gear reducer, the transmission chain and the gears, the upper roller is above the rubber conveyor belt and the lower roller is below the rubber conveyor belt; the gear reducer, the transmission chain and the gears make the upper roller rotate clockwise, and the lower roller is rotated counterclockwise by the rubber conveyor belt, playing a supporting and squeezing role, and conveying the artificial stone material to the left, so as to realize the coordinated work of the rollers; the spacing between the first pair of rollers is adjusted according to the material state requirements, and the material is flattened into a material layer of required thickness through the rubber conveyor belt and the first pair of rollers; the structural schematic diagram is shown in Figure 5 .

[0048] The continuous automatic grouting machine comprises a groove cutting wheel 2-6, a slurry outlet 2-7, a slurry extruder, a grouting machine fixed bracket, and a second transmission motor; the grouting machine fixed bracket is installed above the material conveyor belt, the groove cutting wheel is installed on the grouting machine fixed bracket, the slurry outlet and the groove cutting wheel blade are in the same vertical plane, and the second transmission motor controls the groove cutting wheel, the slurry extruder, and the slurry outlet to move horizontally on the grouting machine fixed bracket, so as to change the grouting pattern position; three groups of continuous automatic grouting machines are installed above the material conveyor belt; the left section structure schematic diagram is shown in Figure 6 .

[0049] The discharging active pressure rollers include a second pair of pressure rollers, a third transmission motor, a gear reducer, gears and a transmission chain. The second pair of pressure rollers are fixedly linked to the third transmission motor through gears and transmission chains. The upper pressure roller is above the rubber conveyor belt, and the lower pressure roller is below the rubber conveyor belt. The gear reducer, transmission chain and gears make the upper pressure roller rotate clockwise, and the lower pressure roller is rotated counterclockwise by the rubber conveyor belt, playing a supporting and squeezing role, thereby realizing the coordinated work of the second pair of pressure rollers. The spacing between the second pair of pressure rollers is smaller than that between the first pair of pressure rollers.

[0050] The arc-shaped scraper of the belt conveyor includes an elastic arc-shaped scraper blade, a belt conveyor fixing bracket, and an adjustment spring; the arc-shaped scraper of the belt conveyor is installed at the end of the rubber conveyor belt, and the belt conveyor fixing bracket is installed on the roller fixing frame. The gap and tension between the scraper and the rubber conveyor belt are adjusted by adjusting the spring to scrape the material layer into the loading mold below; the structural schematic diagram is shown in Figure 7 .

[0051] The driving roller diameter φ of the material conveyor belt machine is 630mm, the roller length is 1600mm, and the power is 30kw; the passive roller diameter φ is 630mm, the roller length is 1600mm; the roller diameter φ of the ordinary roller is 100mm, and the roller length is 1600mm; the material conveyor belt machine length is 6000mm, the conveyor belt width is 1600mm, and it is made of wear-resistant PVC material.

[0052] The diameter φ of the first pair of pressing rollers in the active feeding pressing rollers is 450 mm, the length is 1600 mm, and they are installed 2000 mm to the right of the belt conveyor, with a roller spacing of 150 mm; the power of the first transmission motor is 15 kW.

[0053] The continuous automatic grouting machine has a groove cutting wheel diameter φ of 300 mm, a cutting wheel thickness of 40 mm, a blade thickness of 15 mm, a slurry outlet diameter φ of 20 mm, and a movable distance of 450 mm when moving horizontally on a fixed bracket.

[0054] The diameter φ of the second pair of pressing rollers in the discharging active pressing rollers is 450mm, the length is 1600mm, and they are installed 5000mm to the right of the belt conveyor, with a roller spacing of 140mm; the power of the third transmission motor is 15kw.

[0055] A method for preparing a grouting type patterned artificial stone of the present invention is to produce the grouting type patterned artificial stone by using the manufacturing device of the grouting type patterned artificial stone, and comprises the following steps:

[0056] (1) Stirring and mixing modified calcium carbonate powder, unsaturated polyester resin, and additives uniformly, stirring the materials until they are in a clumping state to obtain artificial stone materials, and transporting them to a material conveyor belt machine; stirring and mixing unsaturated polyester resin, modified calcium carbonate powder, modified quartz powder, pigment powder, and additives uniformly to obtain artificial stone slurry, and adding it to a continuous automatic grouting machine;

[0057] (2) The mixed artificial stone material falls into the material conveyor belt, and the feeding active pressing roller presses the uneven material into a material with uniform thickness. The material conveyor belt conveys the mixed artificial stone material from right to left;

[0058] (3) When the artificial stone material is transported to the continuous automatic grouting machine, the continuous automatic grouting machine cuts the artificial stone material to form a material groove, and then injects artificial stone slurry into the material groove; under a vacuum environment, the artificial stone slurry in the material groove diffuses to the surroundings to form a texture;

[0059] (4) The material continues to be transported forward. When it passes through the active pressure roller of the material discharging, the active pressure roller of the material discharging further thins and compacts the material layer forming the grouting texture. The texture of the material groove and the slurry inside the groove further changes under the roller pressure, making the texture more natural.

[0060] (5) The material is scraped off by the curved scraper of the belt conveyor at the end of the material conveyor belt and falls evenly into the material mold; the material is formed into grouting-type patterned artificial stone cubes through vacuum high-frequency vibration and high-pressure pressing in the mold;

[0061] (6) The formed artificial stone cubes are allowed to solidify, and the solidified artificial stone cubes are cut, ground and polished to finally obtain grouting type patterned artificial stone products.

[0062] The auxiliary agent described in step (1) includes one or more of a curing agent, a accelerator, and a thickener. The curing agent is methyl ethyl ketone peroxide, the accelerator is cobalt isooctanoate, and the thickener is hydroxymethyl cellulose ether.

[0063] The pigment in step (1) includes one or more of iron black, titanium dioxide, iron yellow and iron red.

[0064] The particle size of the calcium carbonate powder added to the artificial stone material in step (1) is 500-700 mesh; the particle size of the calcium carbonate powder added to the artificial stone slurry is 700-900 mesh; and the particle size of the quartz powder is 1100-1300 mesh.

[0065] The artificial stone material in step (1) comprises the following raw materials in weight percentage: 89.0%-93.0% calcium carbonate powder, 6.9%-10.8% unsaturated polyester resin, and 0.1%-0.14% auxiliary agent.

[0066] The artificial stone slurry described in step (1) comprises the following raw materials in weight percentage: unsaturated polyester resin 17.0%-22.0%, calcium carbonate powder 58.0%-76.0%, quartz powder 0.0%-20%, pigment powder 0.5%-4.0%, and additive 0.1%-0.3%.

[0067] The ratio of the artificial stone slurry to the artificial stone material in step (1) is 1:1000-5:1000.

[0068] The material conveying belt advance speed described in step (2) is 0.2-0.5m / s.

[0069] The vacuum degree of the vacuum in step (3) is -0.1 MPa.

[0070] The vacuum degree of the vacuum in step (5) is -0.1 MPa, the vibration frequency is 3000-4000 times / min, and the pressing pressure is 80-120 bar.

[0071] The present invention is described below by means of more specific embodiments.

[0072] Example 1

[0073] A method for producing a grouting type patterned artificial stone is to produce the grouting type patterned artificial stone by using the manufacturing device for the grouting type patterned artificial stone, and comprises the following steps:

[0074] 1. Stir and mix 12000kg of 600-mesh modified calcium carbonate powder, 1120kg of unsaturated polyester resin, 13.5kg of curing agent methyl ethyl ketone peroxide, and 600ml of accelerator cobalt isooctanoate evenly. Stir the materials until 8cm lumps appear to obtain artificial stone materials, which are then transported to the material conveyor belt machine; stir 6.0kg of unsaturated polyester resin, 17.5kg of 800-mesh modified calcium carbonate powder, 5.0kg of 1200-mesh modified quartz powder, 0.88kg of titanium dioxide, 0.03kg of iron yellow powder, 0.055kg of iron black powder, 0.42kg of methyl ethyl ketone peroxide, and 0.015kg of hydroxymethyl cellulose ether evenly to obtain artificial stone slurry and add it to the continuous automatic grouting machine;

[0075] 2. The mixed artificial stone material falls into the material conveyor belt. The feeding active pressing roller presses the uneven material into a material with uniform thickness. The material conveyor belt conveys the mixed artificial stone material from right to left. The forward speed of the material conveyor belt is 0.3m / s.

[0076] 3. When the artificial stone material is transported to the continuous automatic grouting machine, the continuous automatic grouting machine cuts the artificial stone material to form a 30mm material groove, and then injects artificial stone slurry into the material groove to a depth of 25mm; under a vacuum environment of -0.1MPa, the artificial stone slurry in the material groove diffuses irregularly to the surroundings to form a unique texture;

[0077] 4. The material continues to be transported forward. When it passes through the active pressure roller of the material discharging, the active pressure roller of the material discharging further thins and compacts the material layer forming the grouting texture. The texture of the material groove and the slurry inside the groove further changes under the pressure of the roller, making the texture more natural.

[0078] 5. The material is scraped off by the curved scraper of the belt conveyor at the end of the material conveyor belt and falls evenly into the material mold; the material vibrates in the mold under a vacuum degree of -0.1MPa and a vibration frequency of 3500 times / min, and is pressed and formed into grouting-type patterned artificial stone cubes under a pressure of 100bar;

[0079] 6. Allow the formed artificial stone cubes to solidify, cut, grind and polish the solidified artificial stone cubes, and finally obtain grouting-type patterned artificial stone products. See the finished texture diagram Figure 8 .

[0080] The performance of the artificial stone product of Example 1 was tested according to the testing methods of standards GB / T 35157 and JC / T 908. The test data are shown in the following table.

[0081] Test items unit Testing standards Standard requirements Test value Bending Strength MPa GB / T35157 ≥16 38 Compression strength MPa GB / T35157 ≥90 140 Mohs hardness - JC / T908 ≥3 3 Water absorption % GB / T35157 ≤0.15 0.05 Bulk density <![CDATA[g / cm 3 ]]> GB / T35157 - 2.48 Linear expansion coefficient <![CDATA[℃ -1 ]]> GB / T35157 <![CDATA[40×10 -6 ]]> <![CDATA[24×10 -6 ]]>

[0082] As can be seen from the above table, the artificial stone prepared according to the present invention shows performance better than the standard requirements in terms of bending strength, compression strength, water absorption rate and linear expansion coefficient, and the Mohs hardness meets the standard requirements; the measured data of bending strength and compression strength are much greater than the standard requirements, indicating that the artificial stone has excellent anti-bending performance and can withstand a large compression load, showing the stability and durability of the artificial stone; the measured data of water absorption rate is 0.05, which is less than the maximum value of 0.15 required by the standard, indicating that the water absorption rate of the artificial stone is very low and has good water resistance; the measured data of linear expansion coefficient is 24×10 -6 Smaller than the standard requirement of 40×10 -6 , indicating that the artificial stone has a low linear expansion coefficient and good dimensional stability. In summary, the production quality of the artificial stone produced by the method of the present invention is excellent, far exceeding the national standard requirements, and can meet the needs of promotion and application.

[0083] The above content is a further detailed description of the present invention in combination with specific preferred implementation modes. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the relevant technical field, without departing from the concept of the present invention, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of patent protection of the present invention determined by the submitted claims.

Claims

1. A method for preparing a grouting-type patterned artificial stone, characterized in that: The invention is to produce grouting type patterned artificial stone by using a manufacturing device of grouting type patterned artificial stone, which is characterized by comprising the following steps: (1) Stirring and mixing modified calcium carbonate powder, unsaturated polyester resin, and additives uniformly, stirring the materials until they are in a clumping state to obtain artificial stone materials, and transporting them to a material conveyor belt machine; stirring and mixing unsaturated polyester resin, modified calcium carbonate powder, modified quartz powder, pigment powder, and additives uniformly to obtain artificial stone slurry, and adding it to a continuous automatic grouting machine; (2) The mixed artificial stone material falls into the material conveyor belt, and the feeding active pressing roller presses the uneven material into a material with uniform thickness. The material conveyor belt conveys the mixed artificial stone material from right to left; (3) When the artificial stone material is transported to the continuous automatic grouting machine, the continuous automatic grouting machine cuts the artificial stone material to form a material groove, and then injects artificial stone slurry into the material groove; under a vacuum environment, the artificial stone slurry in the material groove will diffuse to the surroundings to form a texture; (4) The material continues to be transported forward. When it passes through the active pressure roller of the material discharging, the active pressure roller of the material discharging further thins and compacts the material layer forming the grouting texture. The texture of the material groove and the slurry inside the groove further changes under the roller pressure, making the texture more natural. (5) The material is scraped off by the curved scraper of the belt conveyor at the end of the material conveyor belt and falls evenly into the material mold; the material is formed into grouting-type patterned artificial stone cubes through vacuum high-frequency vibration and high-pressure pressing in the mold; (6) The formed artificial stone cubes are allowed to solidify, and the solidified artificial stone cubes are cut, ground and polished to finally obtain grouting type patterned artificial stone products.

2. The method for preparing grouting-type patterned artificial stone according to claim 1, characterized in that: The artificial stone material in step (1) comprises the following raw materials in weight percentage: 89.0%-93.0% calcium carbonate powder, 6.9%-10.8% unsaturated polyester resin, and 0.1%-0.14% additives; the artificial stone slurry comprises the following raw materials in weight percentage: 17.0%-22.0% unsaturated polyester resin, 58.0%-76.0% calcium carbonate powder, 0.0%-20% quartz powder, 0.5%-4.0% pigment powder, and 0.1%-0.3% additives; the ratio of artificial stone slurry to artificial stone material is 1:1000-5:1000.

3. The method for preparing grouting-type patterned artificial stone according to claim 1 or 2, characterized in that: The auxiliary agent includes one or more of a curing agent, a accelerator and a thickener.

4. The method for preparing grouting-type patterned artificial stone according to claim 3, characterized in that: The curing agent is methyl ethyl ketone peroxide.

5. The method for preparing grouting-type patterned artificial stone according to claim 3, characterized in that: The accelerator is cobalt isooctanoate.

6. The method for preparing grouting-type patterned artificial stone according to claim 3, characterized in that: The thickener is hydroxymethyl cellulose ether.

7. The method for preparing grouting-type patterned artificial stone according to claim 1 or 2, characterized in that: The pigment includes one or more of iron black, titanium dioxide, iron yellow and iron red.

8. The method for preparing grouting-type patterned artificial stone according to claim 1, characterized in that: The particle size of the calcium carbonate powder added to the artificial stone material in step (1) is 500-700 mesh; the particle size of the calcium carbonate powder added to the artificial stone slurry is 700-900 mesh, and the particle size of the quartz powder is 1100-1300 mesh.

9. The method for preparing grouting-type patterned artificial stone according to claim 1, characterized in that: The forward speed of the material conveying belt described in step (2) is 0.2-0.5 m / s; the vacuum degree of the vacuum described in step (3) is -0.1 MPa; the vacuum degree of the vacuum described in step (5) is -0.1 MPa, the vibration frequency is 3000-4000 times / min, and the pressing pressure is 80-120 bar.

10. A grouting-type patterned artificial stone prepared according to the method according to any one of claims 1 to 9.