CN112851196B - Processing method of flexible stone-like material - Google Patents

Processing method of flexible stone-like material Download PDF

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Publication number
CN112851196B
CN112851196B CN202011619809.4A CN202011619809A CN112851196B CN 112851196 B CN112851196 B CN 112851196B CN 202011619809 A CN202011619809 A CN 202011619809A CN 112851196 B CN112851196 B CN 112851196B
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roller
parts
conveying belt
stone
conveying
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CN112851196A (en
Inventor
刘东华
高如玉
郅亚楠
何剑南
青林
李秋金
吴学通
何滔
蒋滔
刘健
卢远中
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Chengdu First New Material Co ltd
First New Material Technology Development Co Ltd
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Chengdu First New Material Co ltd
First New Material Technology Development Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/04Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06Acrylates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C67/00Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/24Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
    • B29C67/248Moulding mineral fibres or particles bonded with resin, e.g. for insulating or roofing board
    • B29C67/249Moulding mineral fibres or particles bonded with resin, e.g. for insulating or roofing board for making articles of indefinite length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

The invention belongs to the technical field of building coating preparation, and particularly relates to a processing method of a flexible stone-like material, which comprises the following steps: (1) preparing the following raw materials in parts by mass: 150 parts of water 120-containing materials, 150 parts of acrylate emulsion 120-containing materials, 1-3 parts of hydroxyethyl cellulose, 0.2-0.5 part of pH regulator, 1-2 parts of sterilizing preservative, 1-2 parts of thickening agent, 750 parts of quartz sand 650-containing materials and 20-50 parts of temperature-change toner; (2) stirring the raw materials in the step (1), wherein the stirring speed is controlled to be 500-; uniformly dispersing the raw materials to prepare slurry; (3) and feeding the slurry into a stone-like material forming device, preparing the slurry into a flexible stone-like material tabletting by using the stone-like material forming device, printing the surface of the tabletting by using a printing roller, and then cutting and drying the tabletting to finally obtain the flexible stone-like material paster. The flexible stone-like material prepared by the method can change color at about 70 ℃, and can warn people when the external temperature is abnormal, such as fire.

Description

Processing method of flexible stone-like material
Technical Field
The invention belongs to the technical field of building coating preparation, and particularly relates to a processing method of a flexible stone-like material.
Background
In order to achieve high-grade decorative effect in buildings, natural stones are often used, but the natural stones have many defects, such as high construction difficulty, high material cost, limited color by natural ore color and the like, so flexible stone-like materials are mostly adopted to replace the natural stones in the buildings at present. When a fire disaster happens, the temperature of the wall surface can be gradually increased, the flexible stone-like material produced by the traditional method only plays a role in decoration, and the flexible stone-like material cannot be changed due to the increase of the temperature of the wall surface. Therefore, when a fire occurs, the flexible stone-like material does not have the function of warning the fire. Besides the single function, the efficiency of the existing method for producing the flexible stone-like material is low. At present, a silica gel mold is usually adopted to produce the flexible stone-like material, although the produced flexible stone-like material has good simulation degree, the production efficiency is low, 4-8h is needed for drying and forming slurry in the silica gel mold, and the slurry is taken out and demoulded after being dried to obtain a finished product of the flexible stone-like material.
Disclosure of Invention
The invention aims to provide a processing method of a flexible stone-like material, and aims to solve the problems that the flexible stone-like material produced by using a traditional method is single in function and cannot play a role in fire warning.
In order to achieve the purpose, the scheme of the invention is as follows: the processing method of the flexible stone-like material comprises the following steps:
(1) preparing the following raw materials in parts by mass: 150 parts of water 120-containing materials, 150 parts of acrylate emulsion 120-containing materials, 1-3 parts of hydroxyethyl cellulose, 0.2-0.5 part of pH regulator, 1-2 parts of sterilizing preservative, 1-2 parts of thickening agent, 750 parts of quartz sand 650-containing materials and 20-50 parts of temperature-change toner;
(2) stirring the raw materials in the step (1), wherein the stirring speed is controlled to be 500-; uniformly dispersing the raw materials to prepare slurry;
(3) and feeding the slurry into a stone-like material forming device, preparing the slurry into a flexible stone-like material tabletting by using the stone-like material forming device, printing the surface of the tabletting by using a printing roller, and then cutting and drying the tabletting to finally obtain the flexible stone-like material paster.
The working principle and the beneficial effects of the scheme are as follows: through the adjustment of the components and the dosage of the raw materials, the variable-temperature toner can be well matched with other raw materials and can play a role in effectively preparing the flexible stone-like material which can change the color at about 70 ℃, and when the external temperature is abnormal, such as a fire disaster, the flexible stone-like material can warn people. In addition, in the scheme, the stone-like material forming equipment used for preparing the flexible stone-like material instead of the silica gel mold can continuously produce the flexible stone-like material, and the production efficiency is effectively improved. After obtaining the preforming through imitative stone material former processing, the preforming surface is though tentatively have natural stone's line, but because the colour of preforming is single, do not change, the effect of emulation is not very good, in this scheme, increases the process of stamp one, utilizes the seal roll at preforming surface stamp, increases the color on preforming surface, can obviously improve the simulation effect of the paster that makes at last.
Optionally, in the step (1), the following raw materials in parts by mass are prepared: 128 parts of water, 138 parts of acrylate emulsion, 2 parts of hydroxyethyl cellulose, 0.3 part of pH regulator, 1.6 parts of sterilization preservative, 1.7 parts of thickener, 712 parts of quartz sand and 42 parts of thermochromic powder. Experimental research confirms that the flexible stone-like material prepared by controlling the use amount of the raw materials within the range has better comprehensive performance.
Optionally, the antiseptic preservative is a BIT antiseptic preservative; the thickening agent is an alkali swelling thickening agent; the quartz sand is 80-120 meshes of quartz sand.
Optionally, the method further comprises the step (4) of fixing a medium layer on the bottom surface of the patch, wherein the medium layer comprises paraffin and polyethylene wax added in an amount of 3-5% of the mass of the paraffin. The paraffin wax is modified by using the polyethylene wax, so that the hardness of the prepared dielectric layer is higher, and the melting point can be improved to more than 70 ℃. When the flexible stone-like material patch is used, the medium layer is pasted on the wall surface. When the wall surface is subjected to the action of high temperature of more than 70 ℃, the decorative material of the wall surface can be damaged to a certain degree, the decorative effect of the flexible stone-like material is influenced, and a new decorative material is generally required to be installed again after the decorative material is detached. In this scheme, set up the dielectric layer on the paster, under general condition, this dielectric layer has better intensity, the maintenance original state that can be better, and this dielectric layer can take place to soften about 70 degrees for the paster breaks away from the wall automatically, and at this in-process, need not artificial dismantlement, effectively improves the efficiency of handling. The bottom coating can be coated on the wall surface before the paster is fixed, even if the follow-up paster falls off, the bottom coating still serves as decoration on the wall surface, and the wall surface can not be further processed.
Optionally, the stone-like material forming equipment comprises a rack, a discharging mechanism, a primary forming mechanism, a drying chamber, a rolling mechanism and a printing mechanism; the discharging mechanism comprises a storage cylinder and a discharging part arranged in the lower part of the storage cylinder; the primary forming mechanism comprises a conveying unit positioned below the discharging part and a flattening unit positioned above the conveying unit; the conveying unit comprises two conveying rollers, a conveying belt sleeved on the two conveying rollers, an output part for driving the conveying rollers to rotate and a first smearing part for smearing a demolding agent on the conveying belt, a plurality of material blocking plates are arranged on two sides above the conveying belt, and two sides of any one material blocking plate can be in contact with the adjacent material blocking plates; the flattening unit is positioned between the two material blocking plates and comprises two flattening rollers, a conveying belt sleeved on the two flattening rollers, a rotating part driving the flattening rollers to rotate and a second smearing part used for smearing a release agent on the conveying belt; one side of the conveying belt, which is far away from the storage barrel, extends into the drying chamber; the rolling mechanism comprises a forming roller set positioned on one side of the drying chamber, and the forming roller set comprises a supporting roller, a printing roller and a driving part for driving the supporting roller and the printing roller to move relatively; the printing mechanism comprises a rotating roller and a printing roller which are both positioned on one side of the rolling mechanism.
Optionally, the discharging part comprises a rotating drum communicated with the lower part of the storage drum, a material roller rotatably connected in the rotating drum and a first motor for driving the material roller to rotate, the lower end of the rotating drum is provided with a discharging port, and the material roller is provided with a storage tank.
Optionally, the side of the conveying roller far away from the drying chamber is provided with a cam groove forming a closed loop; the first smearing part comprises a guide cylinder connected to the rack in a sliding manner and a plunger connected to the inside of the guide cylinder in a sliding manner, an elastic part is arranged between the guide cylinder and the plunger, and a release agent is filled in the guide cylinder; a guide rod is arranged on the guide cylinder, and a ball which is clamped in the cam groove and can slide along the cam groove is rotatably connected to the guide rod; the plunger is provided with a flow passage communicated with the guide cylinder and a through hole communicated with the flow passage, and the flow passage is provided with a one-way liquid discharge valve; the guide cylinder is connected with a liquid inlet pipe, and a one-way liquid inlet valve is arranged on the liquid inlet pipe; the plunger is provided with a smearing layer which can be always in contact with the conveying belt, and the smearing layer is opposite to the through hole. The release agent is coated on the conveying belt, so that the slurry can be smoothly separated from the conveying belt. When the conveying belt needs to be coated with the release agent, the output part is operated, and the conveying roller rotates. In the rotating process of the conveying roller, the conveying roller drives the guide cylinder to reciprocate through the guide rod, in the process, the one-way liquid inlet valve is intermittently opened, the demolding agent in the guide cylinder enters the smearing layer through the flow channel and the through hole, and the smearing layer coats the demolding agent on the conveying belt.
Optionally, the second smearing part comprises a storage box, a fixed cylinder connected to the lower part of the storage box, a rotating roller rotatably connected to the fixed cylinder, and a second motor driving the rotating roller to rotate, wherein a release agent is arranged in the fixed cylinder, a through hole is formed in the lower part of the fixed cylinder, the lower end of the rotating roller extends out of the through hole, and an adsorption layer is arranged on the rotating roller. The release agent is coated on the conveyor belt, so that the situation that the sizing agent is adhered to the conveyor belt to cause uneven upper surface of the sizing agent on the conveyor belt can be effectively avoided. When the conveyor belt is required to be coated with the release agent, the second motor is started, the rotary roller and the adsorption layer on the rotary roller rotate, and the release agent in the fixed cylinder is coated on the conveyor belt in the rotating process of the adsorption layer.
Optionally, the roller pressing mechanism further comprises a pre-pressing roller set positioned on one side of the forming roller set, and the pre-pressing roller set is positioned in the drying chamber; the pre-pressing roller group comprises two symmetrically arranged press rollers and a power part for driving the two press rollers to move relatively. The prepressing roller set is arranged, so that the compactness of the finally prepared patch is better, and the product has better quality.
Optionally, the specific operation steps in step (3) are:
1) pouring the slurry into a storage barrel, starting an output part, a rotating part and a second motor, wherein the output part drives a conveying roller to rotate, and a conveying belt on the conveying roller moves towards one side of a drying chamber; the guide cylinder is driven to slide in a reciprocating manner by the guide rod in the rotation process of the conveying roller, the release agent in the guide cylinder intermittently enters the smearing layer through the flow channel and the through hole, and the smearing layer coats the release agent on the surface of the conveying belt; the rotating part drives the conveying belt to move through the flattening roller; the second motor drives the rotary roller and the adsorption layer on the rotary roller to rotate, and the release agent in the fixed cylinder is coated on the conveying belt in the rotation process of the adsorption layer;
2) starting a first motor, a drying chamber and a rolling mechanism; the first motor drives the material roller to rotate, in the rotating process of the material roller, the material storage tank conveys the slurry in the storage cylinder to the conveying belt, the conveying belt drives the slurry to move to one side of the drying chamber, and in the process, the conveying belt flattens the slurry on the surface of the conveying belt;
3) the conveyer belt sends the slurry flattened by the conveyer belt into a drying chamber for primary drying, so that the drying degree of the slurry reaches 30-50%, and strip-shaped sheets are obtained;
4) the strip-shaped sheet is conveyed to a position between two compression rollers by a conveying belt, and the two compression rollers perform primary rolling on the strip-shaped sheet; the strip-shaped sheet after the preliminary rolling is sequentially sent between a supporting roller and an embossing roller and between a rotating roller and a printing roller, the embossing roller presses required lines on the strip-shaped sheet, and the printing roller prints out a print on the strip-shaped sheet to obtain a pressed sheet of the flexible stone-like material; cutting off the corners of the pressed sheet, cutting the pressed sheet into required size, drying the pressed sheet to completely dry the pressed sheet, and finally obtaining the flexible stone-like material patch.
Drawings
FIG. 1 is a schematic view of a stone-like material forming apparatus in a front view;
FIG. 2 is a cross-sectional view of the cartridge;
fig. 3 is a sectional view of the conveying roller and the first smearing part.
Detailed Description
The following describes the processing method of the flexible stone-like material in detail by taking the first embodiment as an example, and other embodiments are shown in table 1, and the parts not shown are the same as those in embodiment 1.
The following description of the raw material selection: the sterilization preservative used in the embodiment is a BIT sterilization preservative, the thickening agent is an alkali swelling thickening agent, and the quartz sand is 80-120 meshes of quartz sand;
the temperature-change toner used in this example was a temperature-change toner sold by the science and technology limited of Jinhua city, which was an electron-transfer type organic compound.
Reference numerals in the drawings of the specification include: the device comprises a discharging mechanism 10, a storage cylinder 11, a rotary drum 12, a material roller 13, a storage tank 131, a conveying roller 20, a material baffle 21, a conveying belt 22, a cam groove 23, a guide cylinder 31, a plunger 32, an elastic piece 33, a flow passage 34, a one-way liquid discharge valve 35, an applying layer 36, a through hole 37, a guide rod 38, a ball 39, a second applying part 40, a flattening roller 50, a conveying belt 51, a drying chamber 60, a support roller 70, an embossing roller 71, a rotating roller 80 and a printing roller 81.
Example one
The processing method of the flexible stone-like material comprises the following steps:
(1) preparing the following raw materials in parts by mass: 128 parts of water, 138 parts of acrylate emulsion, 2 parts of hydroxyethyl cellulose, 0.3 part of pH regulator, 1.6 parts of sterilization preservative, 1.7 parts of thickener, 712 parts of quartz sand and 42 parts of thermochromic powder.
(2) Stirring the raw materials in the step (1), wherein the stirring speed is controlled at 800 r/min; and (4) uniformly dispersing the raw materials to obtain slurry.
(3) And feeding the slurry into a stone-like material forming device, preparing the slurry into a flexible stone-like material tabletting by using the stone-like material forming device, printing the surface of the tabletting by using a printing roller, and then cutting and drying the tabletting to finally obtain the flexible stone-like material paster.
As shown in FIG. 1, the molding apparatus for stone-like materials comprises a discharging mechanism 10, a preliminary molding mechanism, a drying chamber 60, a rolling mechanism and a printing mechanism in sequence. Referring to fig. 2, the discharging mechanism 10 includes a storage barrel 11 and a discharging portion disposed in the lower portion of the storage barrel 11, the discharging portion includes a rotating drum 12, a material roller 13 rotatably connected in the rotating drum 12 and a first motor fixedly mounted on the side wall of the rotating drum 12, the rotating drum 12 is welded in the lower portion of the storage barrel 11 and communicated with the storage barrel 11, an output shaft of the first motor is connected to the rotation center of the material roller 13, and the first motor drives the material roller 13 to rotate. The lower end of the rotary drum 12 is provided with a discharge hole, the material roller 13 is provided with a storage tank 131, and the side wall of the material roller 13 is contacted and attached with the inner wall of the material roller 13.
Preliminary forming mechanism includes conveying unit and flattening unit, and ejection of compact portion is located conveying unit's left side top. The conveying unit comprises a first smearing part, an output part, two conveying rollers 20 and a conveying belt 22 sleeved on the two conveying rollers 20, and the right side of the conveying belt 22 extends into the drying chamber 60. A plurality of material blocking plates 21 are fixedly arranged on both sides of the conveying belt 22, both sides of any material blocking plate 21 can be contacted and attached with the adjacent material blocking plates 21, and the baffle plates on the same side are positioned on the same plane; the baffle plate 21 is arranged to better limit the shape of the slurry on the conveyer belt 22. The side surface of the left side feed roller 20 is opened with a cam groove 23 forming a closed loop. The output part is a fourth motor fixedly installed in the drying chamber 60, and an output shaft of the fourth motor is welded to the right conveying roller 20. Referring to fig. 3, the first applying part includes a guide cylinder 31 slidably coupled to the frame and a plunger 32 slidably and sealingly coupled to the guide cylinder 31, and the guide cylinder 31 is filled with a release agent. The plunger 32 is provided with a flow passage 34 communicated with the guide cylinder 31 and a through hole 37 communicated with the upper part of the flow passage 34, the section of the flow passage 34 is T-shaped, the lower part of the flow passage 34 is provided with a one-way drain valve 35, and when the pressure in the guide cylinder 31 is increased, the one-way drain valve 35 is automatically opened. A flexible liquid inlet pipe (the liquid inlet pipe is not shown in the figure) is connected to the guide cylinder 31, and the liquid inlet pipe does not influence the movement of the guide cylinder 31; the liquid inlet pipe is provided with a one-way liquid inlet valve, and when the pressure in the guide cylinder 31 is reduced, the one-way liquid inlet valve is automatically opened. The plunger 32 has an application layer 36 (in this embodiment, the application layer 36 is a sponge layer) attached to an upper end thereof below the conveyor belt 22, and the application layer 36 is opposed to the through hole 37. An elastic member 33 is connected between the guide cylinder 31 and the plunger 32, in this embodiment, the elastic member 33 is a compression spring, and the coating layer 36 and the conveyer belt 22 are always kept in contact under the action of the elastic member 33. A guide rod 38 is welded to the guide cylinder 31, a ball 39 is rotatably connected to the guide rod 38, and the ball 39 is engaged in the cam groove 23 and can slide along the cam groove 23.
The flattening unit is located above the conveyor belt 22 and between the two striker plates 21, and is simultaneously located between the drying chamber 60 and the storage cylinder 11. The flattening unit comprises a rotating part, a second smearing part 40, two flattening rollers 50 and a conveying belt 51 sleeved on the two flattening rollers 50, the rotation directions of the flattening rollers 50 and the conveying rollers 20 are the same, and when the flattening unit works, the conveying belt 51 below pushes the slurry on the conveying belt 22. The rotating part is a fifth motor fixedly arranged on the frame, and an output shaft of the fifth motor is welded on the rotating center of one of the flattening rollers 50. The second smearing part 40 comprises a storage box, a second motor, a fixed cylinder welded at the lower part of the storage box and a rotating roller rotatably connected in the fixed cylinder, the second motor is fixedly arranged on the side wall of the fixed cylinder, and an output shaft of the second motor is connected to the rotating center of the rotating roller. The lower part of a fixed section of thick bamboo is opened there is the opening, and the lower extreme of changeing the roller stretches out the opening, and the surface paste of changeing the roller has the adsorbed layer, and in this embodiment, the adsorbed layer that the adsorbed layer was made for the sponge.
The roll pressing mechanism comprises a forming roll set and a pre-pressing roll set positioned on the left side of the forming roll set, the forming roll set comprises a driving part, a supporting roll 70 and a printing roll 71 positioned above the supporting roll 70, stone-like grains are arranged on the printing roll 71, and a stone-like material can be rolled out by utilizing the printing roll 71; the support roll 70 and the embossing roll 71 are both rotatably connected to the frame. The driving part comprises a third motor, two connecting shafts and two gears meshed with each other, the two connecting shafts are respectively welded on the supporting roller 70 and the embossing roller 71, the two gears are respectively welded on the two connecting shafts, the third motor is fixedly installed on the rack, and an output shaft of the third motor is connected with one of the connecting shafts. The pre-pressing roller set is located in the right side of the drying chamber 60 and comprises a power part and two pressing rollers which are connected into the drying chamber 60 in a rotating mode, and the two pressing rollers are arranged in an up-and-down symmetrical mode. The power part comprises a sixth motor, two fixed shafts and two transmission gears which are meshed with each other, the two fixed shafts are welded on different compression rollers respectively, the two transmission gears are welded on the two fixed shafts respectively, the sixth motor is fixedly installed in the drying chamber 60, and an output shaft of the sixth motor is connected with one of the fixed shafts.
The embossing mechanism comprises a rotating roller 80 and a printing roller 81 which are positioned on one side of the rolling mechanism, and the printing roller 81 is positioned above the rotating roller 80.
The specific operation steps in the step (3) are as follows:
1) pouring the slurry into the storage barrel 11, starting a fourth motor, a fifth motor and a second motor, wherein the fourth motor drives the conveying roller 20 to rotate, and the conveying belt 22 on the conveying roller 20 moves towards one side of the drying chamber 60; the guide cylinder 31 is driven to slide back and forth by the guide rod 38 in the rotation process of the conveying roller 20, the release agent in the guide cylinder 31 intermittently enters the smearing layer 36 through the flow channel 34 and the through hole 37, and the smearing layer 36 coats the release agent on the surface of the conveying belt 22; the fourth motor drives the conveyor belt 51 to move through the flattening roller 50; the second motor drives the rotary roller and the adsorption layer on the rotary roller to rotate, and the release agent in the fixed cylinder is coated on the conveyor belt 51 in the rotation process of the adsorption layer;
2) starting the first motor, the third motor, the sixth motor and the drying chamber 60; the first motor drives the material roller 13 to rotate, in the rotating process of the material roller 13, the material storage tank 131 conveys the slurry in the storage barrel 11 to the conveyer belt 22, the conveyer belt 22 drives the slurry to move to one side of the drying chamber 60, and in the process, the conveyer belt 51 flattens the slurry on the surface of the conveyer belt 22;
3) the conveyer belt 22 sends the slurry flattened by the conveyer belt 51 into a drying chamber 60 for primary drying, so that the drying degree of the slurry reaches 30-50%, and strip-shaped sheets are obtained;
4) the conveyor belt 22 feeds the strip-shaped sheet between two press rollers, and the two press rollers preliminarily roll the strip-shaped sheet; the strip-shaped sheet after the preliminary rolling is sequentially sent between a supporting roller 70 and an embossing roller 71 and between a rotating roller 80 and a printing roller 81, the embossing roller 71 presses required lines on the strip-shaped sheet, and the printing roller 81 prints out the printing on the strip-shaped sheet to obtain a pressed sheet of the flexible stone-like material; cutting off the corners of the pressed sheet, cutting the pressed sheet into required size, drying the pressed sheet to completely dry the pressed sheet, and finally obtaining the flexible stone-like material patch.
Example two
The present embodiment is different from the first embodiment in that: the scheme of the embodiment also comprises a step (4) of fixing a dielectric layer on the bottom surface of the patch, wherein the dielectric layer comprises paraffin and polyethylene wax with the addition amount of 3-5% of the mass of the paraffin. The paraffin wax is modified by using the polyethylene wax, so that the hardness of the prepared dielectric layer is higher, and the melting point can be improved to more than 70 ℃. In this embodiment, the polyethylene wax is specifically A-C6 manufactured by HONEYWELL USA.
TABLE 1
Figure BDA0002877957260000081
The flexible stone-like material patches obtained in examples 1 to 5 and comparative example 1 were attached to different stone slabs using adhesive mortar, respectively, and then subjected to an experiment, and the obtained data are shown in table 2:
TABLE 2
Figure BDA0002877957260000082
And (4) conclusion:
1. according to the data of the examples 1-5 in table 2, the color of the flexible stone-like material patch prepared by the method can be kept in a stable state at room temperature, and when the temperature is increased to more than 70 ℃, the color of the flexible stone-like material patch can be changed to remind people of abnormal external temperature.
2. It can be inferred by comparing the first example with the first comparative example that the thermochromic powder is a key raw material for causing the flexible stone-like material patch to change color.
3. The medium layer is fixed on the flexible stone-like material patch, and when the flexible stone-like material patch is subjected to higher temperature, the medium layer can be softened, so that the patch is automatically separated.

Claims (9)

1. The processing method of the flexible stone-like material is characterized by comprising the following steps: the method comprises the following steps:
(1) preparing the following raw materials in parts by mass: 150 parts of water 120-containing materials, 150 parts of acrylate emulsion 120-containing materials, 1-3 parts of hydroxyethyl cellulose, 0.2-0.5 part of pH regulator, 1-2 parts of sterilizing preservative, 1-2 parts of thickening agent, 750 parts of quartz sand 650-containing materials and 20-50 parts of temperature-change toner;
(2) stirring the raw materials in the step (1), wherein the stirring speed is controlled to be 500-; uniformly dispersing the raw materials to prepare slurry;
(3) feeding the slurry into a stone-like material forming device, making the slurry into a flexible stone-like material tabletting by using the stone-like material forming device, printing patterns on the surface of the tabletting by using a printing roller, and then cutting and drying the tabletting to obtain a flexible stone-like material paster;
the stone-like material forming equipment comprises a rack, a discharging mechanism, a primary forming mechanism, a drying chamber, a rolling mechanism and a printing mechanism; the discharging mechanism comprises a storage cylinder and a discharging part arranged in the lower part of the storage cylinder; the primary forming mechanism comprises a conveying unit positioned below the discharging part and a flattening unit positioned above the conveying unit; the conveying unit comprises two conveying rollers, a conveying belt sleeved on the two conveying rollers, an output part for driving the conveying rollers to rotate and a first smearing part for smearing a demolding agent on the conveying belt, a plurality of material blocking plates are arranged on two sides above the conveying belt, and two sides of any one material blocking plate can be in contact with the adjacent material blocking plates; the flattening unit is positioned between the two material blocking plates and comprises two flattening rollers, a conveying belt sleeved on the two flattening rollers, a rotating part driving the flattening rollers to rotate and a second smearing part used for smearing a release agent on the conveying belt; one side of the conveying belt, which is far away from the storage barrel, extends into the drying chamber; the rolling mechanism comprises a forming roller set positioned on one side of the drying chamber, and the forming roller set comprises a supporting roller, a printing roller and a driving part for driving the supporting roller and the printing roller to move relatively; the printing mechanism comprises a rotating roller and a printing roller which are both positioned on one side of the rolling mechanism.
2. The method for processing the flexible stone-like material according to claim 1, wherein: in the step (1), the following raw materials in parts by weight are prepared: 128 parts of water, 138 parts of acrylate emulsion, 2 parts of hydroxyethyl cellulose, 0.3 part of pH regulator, 1.6 parts of sterilization preservative, 1.7 parts of thickener, 712 parts of quartz sand and 42 parts of thermochromic powder.
3. The method for processing the flexible stone-like material according to claim 2, wherein: the sterilizing preservative is a BIT sterilizing preservative; the thickening agent is an alkali swelling thickening agent; the quartz sand is 80-120 meshes of quartz sand.
4. The method for processing the flexible stone-like material according to claim 3, wherein: and (4) fixing a dielectric layer on the bottom surface of the patch, wherein the dielectric layer comprises paraffin and polyethylene wax with the addition amount of 3-5% of the mass of the paraffin.
5. The method for processing the flexible stone-like material according to claim 1, wherein: the discharging part comprises a rotary drum communicated with the lower part of the storage drum, a material roller rotatably connected in the rotary drum and a first motor for driving the material roller to rotate, the lower end of the rotary drum is provided with a discharging port, and the material roller is provided with a storage tank.
6. The method for processing the flexible stone-like material according to claim 5, wherein: the side surface of the conveying roller far away from the drying chamber is provided with a cam groove forming a closed loop; the first smearing part comprises a guide cylinder connected to the rack in a sliding manner and a plunger connected to the inside of the guide cylinder in a sliding manner, an elastic part is arranged between the guide cylinder and the plunger, and a release agent is filled in the guide cylinder; a guide rod is arranged on the guide cylinder, and a ball which is clamped in the cam groove and can slide along the cam groove is rotatably connected to the guide rod; the plunger is provided with a flow passage communicated with the guide cylinder and a through hole communicated with the flow passage, and the flow passage is provided with a one-way liquid discharge valve; the guide cylinder is connected with a liquid inlet pipe, and a one-way liquid inlet valve is arranged on the liquid inlet pipe; the plunger is provided with a smearing layer which can be always in contact with the conveying belt, and the smearing layer is opposite to the through hole.
7. The method for processing the flexible stone-like material according to claim 6, wherein: the second daubs the portion including the storage case, connects at the solid fixed cylinder of storage case lower part, rotates the roller of connecting in the solid fixed cylinder and drive and changes roller pivoted second motor, is equipped with the release agent in the solid fixed cylinder, and the lower part of solid fixed cylinder is opened there is the opening, and the lower extreme of commentaries on classics roller stretches out the opening, is equipped with the adsorbed layer on the commentaries on classics roller.
8. The method for processing the flexible stone-like material according to claim 7, wherein: the rolling mechanism also comprises a pre-pressing roller set positioned on one side of the forming roller set, and the pre-pressing roller set is positioned in the drying chamber; the pre-pressing roller group comprises two symmetrically arranged press rollers and a power part for driving the two press rollers to move relatively.
9. The method for processing the flexible stone-like material according to claim 8, wherein: the specific operation steps in the step (3) are as follows:
1) pouring the slurry into a storage barrel, starting an output part, a rotating part and a second motor, wherein the output part drives a conveying roller to rotate, and a conveying belt on the conveying roller moves towards one side of a drying chamber; the guide cylinder is driven to slide in a reciprocating manner by the guide rod in the rotation process of the conveying roller, the release agent in the guide cylinder intermittently enters the smearing layer through the flow channel and the through hole, and the smearing layer coats the release agent on the surface of the conveying belt; the rotating part drives the conveying belt to move through the flattening roller; the second motor drives the rotary roller and the adsorption layer on the rotary roller to rotate, and the release agent in the fixed cylinder is coated on the conveying belt in the rotation process of the adsorption layer;
2) starting a first motor, a drying chamber and a rolling mechanism; the first motor drives the material roller to rotate, in the rotating process of the material roller, the material storage tank conveys the slurry in the storage cylinder to the conveying belt, the conveying belt drives the slurry to move to one side of the drying chamber, and in the process, the conveying belt flattens the slurry on the surface of the conveying belt;
3) the conveyer belt sends the slurry flattened by the conveyer belt into a drying chamber for primary drying, so that the drying degree of the slurry reaches 30-50%, and strip-shaped sheets are obtained;
4) the strip-shaped sheet is conveyed to a position between two compression rollers by a conveying belt, and the two compression rollers perform primary rolling on the strip-shaped sheet; the strip-shaped sheet after the preliminary rolling is sequentially sent between a supporting roller and an embossing roller and between a rotating roller and a printing roller, the embossing roller presses required lines on the strip-shaped sheet, and the printing roller prints out a print on the strip-shaped sheet to obtain a pressed sheet of the flexible stone-like material; cutting off the corners of the pressed sheet, cutting the pressed sheet into required size, drying the pressed sheet to completely dry the pressed sheet, and finally obtaining the flexible stone-like material patch.
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JPS55115471A (en) * 1979-02-28 1980-09-05 Toagosei Chem Ind Co Ltd Emulsion composition
US6087437A (en) * 1996-09-27 2000-07-11 National Starch And Chemical Investment Holding Corporation Ethylene/vinyl acetate latex binders and paints which are free of volatile coalescents and freeze-thaw additives
CN105350706A (en) * 2015-09-28 2016-02-24 宁夏中汇盛丰建材科技有限公司 Glass fiber grid cloth enhanced inorganic organic composite lightweight baffle wall
CN106380143A (en) * 2016-08-30 2017-02-08 派丽(上海)管理有限公司 Temperature-variable cement-based colored caulking compound with lasting effect
CN107652726A (en) * 2017-10-30 2018-02-02 惠州市华昱美实业有限公司 A kind of stone-like coating and its preparation technology
CN111849258B (en) * 2020-07-16 2022-06-03 厦门宝欣利新材料科技有限公司 Stone-like paint and preparation method thereof

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