CN113293957A - High-scratch-resistance and high-wear-resistance smoke-proof and hot-fix stone plastic floor and processing method and device - Google Patents
High-scratch-resistance and high-wear-resistance smoke-proof and hot-fix stone plastic floor and processing method and device Download PDFInfo
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- CN113293957A CN113293957A CN202110499920.2A CN202110499920A CN113293957A CN 113293957 A CN113293957 A CN 113293957A CN 202110499920 A CN202110499920 A CN 202110499920A CN 113293957 A CN113293957 A CN 113293957A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/21—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts
- B01F27/213—Mixers with rotary stirring devices in fixed receptacles; Kneaders characterised by their rotating shafts characterised by the connection with the drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/60—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3204—Motor driven, i.e. by means of an electric or IC motor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02005—Construction of joints, e.g. dividing strips
- E04F15/02033—Joints with beveled or recessed upper edges
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02038—Flooring or floor layers composed of a number of similar elements characterised by tongue and groove connections between neighbouring flooring elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/02172—Floor elements with an anti-skid main surface, other than with grooves
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/105—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials of organic plastics with or without reinforcements or filling materials
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/10—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials
- E04F15/107—Flooring or floor layers composed of a number of similar elements of other materials, e.g. fibrous or chipped materials, organic plastics, magnesite tiles, hardboard, or with a top layer of other materials composed of several layers, e.g. sandwich panels
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
- E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention discloses a high-scratch-resistant and high-wear-resistant smoke-proof ironing stone plastic floor and a processing method and a device thereof, wherein the floor comprises an SPC substrate layer, a back coating balance layer is arranged on the lower side of the SPC substrate layer, a printed color film layer is arranged on the upper side of the SPC substrate layer, an improved PUR coating is arranged on the upper side of the printed color film layer, the traditional PVC wear-resistant layer is replaced by the super-wear-resistant and super-scratch-resistant high-temperature-resistant PUR coating, a protective film with the thickness of 0.10-0.50 mm is formed on the surface of a product through multiple coating and curing, the coating thickness can be adjusted according to the human flow in the use area of the product, different wear-resistant effects are achieved, and the service life of the floor is determined; alumina powder or ceramic sand material can be added into the coating, so that the wear resistance grade and the antiskid coefficient of the product can be further improved. The high-definition and high-transparency coating can avoid floor color difference caused by color difference of the wear-resistant layer.
Description
Technical Field
The invention relates to the technical field of floor processing, in particular to a high-scratch-resistant and high-wear-resistant smoke-proof and hot-fix stone plastic floor and a processing method and a device thereof.
Background
At present, a PVC transparent layer with the thickness of 0.07-1.00 mm is used as a surface wear-resistant material under a UV layer of the PVC stone-plastic floor. One of the important factors of color difference of floor products is caused by color difference of transparent layers among batches; in order to better present the texture effect of the color film layer, the light transmittance of the PVC transparent layer is controlled to be crucial, and when the PVC wear-resistant layer is produced, excessive fillers or processing aids cannot be added; the main components of the product are PVC powder and a plasticizer, so that the surface of the product is easy to burn by cigarette ends and the product is yellowed after long-time use.
Based on the problems, the smoke-proof and hot-fix stone plastic floor with high scratch resistance and high wear resistance, and the processing method and the processing device are provided.
Disclosure of Invention
The invention aims to provide a high-scratch-resistant and high-wear-resistant smoke-proof and hot-fix stone plastic floor as well as a processing method and a device thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a floor is moulded to high resistant, high wear-resisting smoke prevention and scald stone of scraping, includes the SPC substrate layer, SPC substrate layer downside is equipped with back coating balance layer, SPC substrate layer upside is equipped with the various rete of stamp, and the various rete upside of stamp is equipped with PUR coating after the improvement.
A processing method of a high scratch-resistant and high wear-resistant smoke-proof and hot-fix stone plastic floor comprises the following steps:
the method comprises the following steps: producing a hard PVC base material by adopting a double-screw extruder, then attaching a PVC color film to the base material with waste heat through a guide roller, finally printing through an embossing roller, and controlling the tension of a feeding roller in the production process to control the stretching of the color film to be below 10%; finally, cooling by an upper fan and a lower fan, controlling the temperature of the large plate to be below 45 ℃, and then cutting and collecting the plate according to the set length;
step two: 200kg of primer coating is taken and introduced into a stirring device, simultaneously, a stirring paddle is started to maintain low-speed operation, and then 0.5kg of aluminum oxide powder is slowly added into the coating; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min to uniformly disperse the aluminum oxide powder in the primer paint;
step three: pouring 100kg of finish paint into another stirring device, starting a stirring paddle to keep running at a low speed, and slowly adding 0.5kg of aluminum oxide powder into the paint; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min, so that the aluminum oxide powder is uniformly dispersed in the finish paint;
step four: coating 5 primer, semi-curing and coating 2 surface paints, and curing;
step five: in order to control the upper and lower balance of the product, 1 back coating treatment of 10-50 g/m2 is added at the bottom of the product; the warping of the product can be controlled below 1.0mm when the product is tested at 80 ℃/6 h;
step six: the length of the large plate after coating treatment is controlled by a fixed-length saw, and the width of the large plate is controlled by a multi-blade saw; then grooving the small plates after cutting, replacing an original chamfering tool with a grinding wheel of 100-500 meshes, and grinding the product to form a bevel edge of 1.0-2.0 mm by adopting an edge grinding mode;
step seven: and (3) coating the prepared water-based pigment on the edge-ground position in the groove by spraying chamfering equipment, controlling the coating thickness to be 0.02-0.10 mm, and finally performing thermosetting treatment, drying the pigment, and then collecting and packaging.
The utility model provides a stirring device, includes staving and the bin outlet of setting in its bottom, the staving is spherical structure, and a charge door has been seted up to its upper end, the charge door top of staving is equipped with a mount pad, the mount pad both sides are connected fixedly through link and the support curb plate of staving upper end, it is equipped with a drive shaft to rotate on the mount pad, and the drive shaft is connected and is used for driving its pivoted drive assembly, driven gear lower extreme is connected and is used for carrying out the rabbling mechanism that stirs to the material.
As a further scheme of the invention: rabbling mechanism includes a stirring ring, the diameter and the staving inner wall of stirring ring cooperate, the stirring ring intermediate position is equipped with a fixed rotating shaft, fixed rotating shaft outside array distribution has the stirring spoke pole of a plurality of and stirring ring inner wall connection, the stirring spoke pole is used for stirring the stirring ring inside material, fixed rotating shaft rotates and sets up on the hanger plate, and two hanger plate upper ends are connected fixedly with the connecting plate, the connecting plate upper end is equipped with the linkage region who is connected with the drive shaft lower extreme, fixed rotating shaft tip is equipped with a second band pulley, the second band pulley passes through the transmission band and is connected with first band pulley transmission, first band pulley rotates and sets up in the hanger plate side, the first band pulley outside is equipped with the outer ring gear with mount pad bottom transmission ring gear intermeshing.
As a further scheme of the invention: stirring ring outside array distribution has a plurality of stirring vane, clearance fit between stirring vane and stirring ring and the staving inner wall, every stirring vane passes through the dwang and rotates the setting on the stirring ring, dwang one end is run through to the stirring ring inboard, the dwang tip is equipped with a friction circle, the stirring ring inner wall is equipped with one and sticiss the friction holding ring that contacts with the friction circle, the friction holding ring passes through the connecting rod and is connected fixedly with the hanger plate.
As a further scheme of the invention: the drive assembly comprises a driven gear arranged at the upper end of the drive shaft and a stirring motor arranged at the upper end of the connecting frame, and the output end of the stirring motor is provided with a drive gear meshed with the driven gear.
As a still further scheme of the invention: the stirring motor is a servo motor.
As a still further scheme of the invention: and the stirring spoke rod is provided with a notch convenient for the friction positioning ring to be placed.
Compared with the prior art, the invention has the beneficial effects that:
this design is applicable to the production of stereoplasm PVC hasp floor, avoids appearing the bubble between PVC wearing layer and the various membrane unusual.
The design can avoid the cost of investment of production personnel and equipment for producing the PVC transparent layer.
The design can reduce the frequency of replacing the PVC transparent layer and the color film layer in the production heat laminating process, and reduce the non-time and defective products generated by film connection.
The aluminum oxide powder is introduced in the design, so that the anti-skid grade of the floor surface can be effectively improved.
The design adopts the PUR coating to replace the conventional PVC wear-resistant layer, and the PUR coating with the same thickness can achieve the effect of 2 times of the PVC wear-resistant layer in the wear resistance.
Drawings
FIG. 1 is a schematic structural view of a smoke and scald preventing stone plastic floor in the present invention.
FIG. 2 is a schematic view of the stirring apparatus of the present invention.
FIG. 3 is a schematic structural view of a stirring structure in the present invention.
FIG. 4 is a schematic structural diagram of a friction ring and a friction positioning ring according to the present invention.
Fig. 5 is a schematic structural view of the driving ring gear and the first pulley of the present invention.
Wherein: the stirring device comprises a barrel body 11, a supporting side plate 12, a connecting frame 13, a stirring motor 14, a driving gear 15, a driven gear 16, a mounting seat 17, a first belt wheel 18, a transmission belt 19, a stirring spoke rod 20, a hanging plate 21, a second belt wheel 22, a fixed rotating shaft 23, a stirring ring 24, a stirring blade 25, a notch 26, a rotating rod 27, a friction positioning ring 28, a friction ring 29, a connecting rod 30, a transmission gear ring 31 and a connecting plate 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the embodiment of the present invention, a high scratch resistance and high wear resistance smoke and scald preventing stone-plastic floor includes an SPC substrate layer, a back coating balance layer is disposed on a lower side of the SPC substrate layer, a printed color film layer is disposed on an upper side of the SPC substrate layer, and an improved PUR coating is disposed on an upper side of the printed color film layer;
the processing method of the smoke-proof and hot-fix stone plastic floor comprises the following steps:
the method comprises the following steps: the method comprises the steps of producing a hard PVC base material by adopting a double-screw extruder, then attaching a PVC color film to the base material with waste heat through a guide roller, and finally printing through an embossing roller. In the production process, the tension of a feeding roller is controlled, and the stretching of a color film is controlled to be below 10%; finally, cooling by an upper fan and a lower fan, controlling the temperature of the large plate to be below 45 ℃, and then cutting and collecting the plate according to the set length;
step two: 200kg of primer coating is taken and introduced into a stirring device, simultaneously, a stirring paddle is started to maintain low-speed operation, and then 0.5kg of aluminum oxide powder is slowly added into the coating; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min to uniformly disperse the aluminum oxide powder in the primer paint;
step three: pouring 100kg of finish paint into another stirring device, starting a stirring paddle to keep running at a low speed, and slowly adding 0.5kg of aluminum oxide powder into the paint; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min, so that the aluminum oxide powder is uniformly dispersed in the finish paint;
step four: coating 5 times of primer, semi-curing and coating 2 times of finish, and curing, wherein the coating weight and the curing energy of each primer and finish are as the following main process parameters;
| process parameters | 1 st primer | 2 primer | 3 primer | 4 primer | 5 primer | 1 road surface paint | 2-way surface paint |
| Coating weight g/m2 | 3-10 | 3-10 | 3-10 | 3-10 | 3-10 | 5～10 | 5～10 |
| Curing energy mj/cm2 | 0～200 | 0～200 | 0～200 | 0～200 | 0～200 | 200～1000 | 200～1000 |
Step five: in order to control the upper and lower balance of the product, 1 channel of 10-50 g/m is added at the bottom of the product2Back coating treatment; the warping of the product can be controlled below 1.0mm when the product is tested at 80 ℃/6 h;
step six: the length of the large plate after coating treatment is controlled by a fixed-length saw, and the width of the large plate is controlled by a multi-blade saw; then grooving the small plates after cutting, replacing an original chamfering tool with a grinding wheel of 100-500 meshes, and grinding the product to form a bevel edge of 1.0-2.0 mm by adopting an edge grinding mode;
step seven: coating the prepared water-based pigment on the edge-ground position in the groove by spraying chamfering equipment, controlling the coating thickness to be 0.02-0.10 mm, and finally performing thermosetting treatment, drying the pigment, and collecting and packaging;
step eight: the scratch resistance, wear resistance, surface smoke and scald prevention effect and anti-skid effect of the conventional SPC stone-plastic floor and the stone-plastic floor are tested in a laboratory contrast mode, and the specific technical indexes are as follows;
| technical index | Degree of scratch resistance | Wear rating | Surface smoke and scald preventing effect | Grade of slip resistance |
| 0.30mm wear-resistant layer stone-plastic floor | 2000～2500g | AC3 | Slight surface burn | R9 |
| The invention relates to a stone-plastic floor | ＞3500g | AC5 | Slight yellowish spots | R10 |
Referring to fig. 2-5, the stirring device includes a barrel 11 and a discharge hole arranged at the bottom of the barrel, the barrel 11 is of a spherical structure, a feed inlet is formed at the upper end of the barrel 11, an installation seat 17 is arranged above the feed inlet of the barrel 11, two sides of the installation seat 17 are fixedly connected with a supporting side plate 12 at the upper end of the barrel 11 through a connecting frame 13, a driving shaft is rotatably arranged on the installation seat 17 and connected with a driving assembly for driving the driving shaft to rotate, and the lower end of a driven gear 16 is connected with a stirring mechanism for stirring materials;
the stirring mechanism comprises a stirring ring 24, the diameter of the stirring ring 24 is matched with the inner wall of the barrel body 11, a fixed rotating shaft 23 is arranged at the middle position of the stirring ring 24, a plurality of stirring spoke rods 20 connected with the inner wall of the stirring ring 24 are distributed on the outer side of the fixed rotating shaft 23 in an array manner, the stirring spoke rods 20 are used for stirring materials on the inner side of the stirring ring 24, the fixed rotating shaft 23 is rotatably arranged on hanging plates 21, the upper ends of the two hanging plates 21 are fixedly connected with a connecting plate 32, the upper end of the connecting plate 32 is provided with a connecting area connected with the lower end of a driving shaft, the end part of the fixed rotating shaft 23 is provided with a second belt wheel 22, the second belt wheel 22 is in transmission connection with a first belt wheel 18 through a transmission belt 19, the first belt wheel 18 is rotatably arranged on the side surface of the hanging plates 21, the outer side of the first belt wheel 18 is provided with an outer gear ring which is meshed with a transmission gear ring 31 at the bottom of the mounting seat 17, when the stirring ring 24 rotates along with the hanging plate 21, the transmission gear ring 31 can drive the first belt pulley 18 to rotate, the first belt pulley 18 can drive the second belt pulley 22 to rotate through the transmission belt 19, and the second belt pulley 22 drives the fixed rotating shaft 23 to rotate, so that the stirring ring 24 can also rotate while revolving along the inner wall of the barrel body 11;
a plurality of stirring blades 25 are distributed on the outer side of the stirring ring 24 in an array manner, the stirring blades 25 are matched with the inner wall of the stirring ring 24 and the inner wall of the barrel body 11 in a clearance manner, each stirring blade 25 is rotatably arranged on the stirring ring 24 through a rotating rod 27, one end of the rotating rod 27 penetrates through the inner side of the stirring ring 24, a friction ring 29 is arranged at the end part of the rotating rod 27, a friction positioning ring 28 which is in compression contact with the friction ring 29 is arranged on the inner wall of the stirring ring 24, a notch 26 which is convenient for the friction positioning ring 28 to be placed is formed in the stirring spoke rod 20, the friction positioning ring 28 is fixedly connected with the hanger plate 21 through a connecting rod 30, when the stirring ring 24 rotates, the friction positioning ring 28 is fixed, so that the rotating rod 27 can rotate due to the friction force between the friction positioning ring 28 and the friction ring 29, the rotating rod 27 can drive the stirring blades 25 to rotate, and thus a mixing mechanism can be constructed in the clearance between the stirring ring 24 and the barrel body 11, the mixing effect is effectively improved;
the driving assembly comprises a driven gear 16 arranged at the upper end of the driving shaft and a stirring motor 14 arranged at the upper end of the connecting frame 13, a driving gear 15 meshed with the driven gear 16 is arranged at the output end of the stirring motor 14, and the driving gear 15 is matched with the driven gear 16 under the driving of the stirring motor 14 so as to drive the driving shaft to rotate;
this application has replaced traditional stirring mode here, has constructed one and staving 11 inner wall matched with circular stirring structure, has constructed a plurality of stirring regions in the stirring clearance, collocation circumference stirring and self revolution stirring, very big improvement to the compounding effect of material.
The working principle of the invention is as follows: the method adopts a super-wear-resistant and super-scratch-resistant high-temperature-resistant PUR coating to replace a traditional PVC wear-resistant layer, a protective film with the thickness of 0.10-0.50 mm is formed on the surface of a product through multiple coating and curing, the thickness of the coating can be adjusted according to the flow of people in the use area of the product, different wear-resistant effects are achieved, and the service life of the floor is determined; alumina powder or ceramic sand material can be added into the coating, so that the wear resistance grade and the antiskid coefficient of the product can be further improved. The high-definition and high-transparency coating can avoid floor color difference caused by color difference of the wear-resistant layer.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (8)
1. The utility model provides a floor is moulded to high resistant, high wear-resisting smoke prevention and scald stone of scraping, its characterized in that, includes the SPC substrate layer, SPC substrate layer downside is equipped with back of the body and scribbles balanced layer, SPC substrate layer upside is equipped with the various rete of stamp, and the various rete upside of stamp is equipped with PUR coating after the improvement.
2. The processing method of the high scratch-resistant and high wear-resistant smoke-proof and hot-fix stone-plastic floor as claimed in claim 1 is characterized by comprising the following steps:
the method comprises the following steps: producing a hard PVC base material by adopting a double-screw extruder, then attaching a PVC color film to the base material with waste heat through a guide roller, finally printing through an embossing roller, and controlling the tension of a feeding roller in the production process to control the stretching of the color film to be below 10%; finally, cooling by an upper fan and a lower fan, controlling the temperature of the large plate to be below 45 ℃, and then cutting and collecting the plate according to the set length;
step two: 200kg of primer coating is taken and introduced into a stirring device, simultaneously, a stirring paddle is started to maintain low-speed operation, and then 0.5kg of aluminum oxide powder is slowly added into the coating; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min to uniformly disperse the aluminum oxide powder in the primer paint;
step three: pouring 100kg of finish paint into another stirring device, starting a stirring paddle to keep running at a low speed, and slowly adding 0.5kg of aluminum oxide powder into the paint; when all the powder is dispersed in the paint, maintaining low-speed stirring for 0-2 min, and then rotating to high-speed stirring for 0-10 min, so that the aluminum oxide powder is uniformly dispersed in the finish paint;
step four: coating 5 primer, semi-curing and coating 2 surface paints, and curing;
step five: in order to control the upper and lower balance of the product, 1 back coating treatment of 10-50 g/m2 is added at the bottom of the product;
step six: the length of the large plate after coating treatment is controlled by a fixed-length saw, and the width of the large plate is controlled by a multi-blade saw; then grooving the small plates after cutting, replacing an original chamfering tool with a grinding wheel of 100-500 meshes, and grinding the product to form a bevel edge of 1.0-2.0 mm by adopting an edge grinding mode;
step seven: and (3) coating the prepared water-based pigment on the edge-ground position in the groove by spraying chamfering equipment, controlling the coating thickness to be 0.02-0.10 mm, and finally performing thermosetting treatment, drying the pigment, and then collecting and packaging.
3. The stirring device of the processing method of the smoke-proof and scald-proof plastic floor with high scratch resistance and high wear resistance as claimed in claim 2, which comprises a barrel body (11) and a discharge hole arranged at the bottom of the barrel body, wherein the barrel body (11) is of a spherical structure, a feed inlet is formed in the upper end of the barrel body, a mounting seat (17) is arranged above the feed inlet of the barrel body (11), the two sides of the mounting seat (17) are fixedly connected with a supporting side plate (12) at the upper end of the barrel body (11) through a connecting frame (13), a driving shaft is rotatably arranged on the mounting seat (17), the driving shaft is connected with a driving assembly for driving the driving assembly to rotate, and the lower end of the driven gear (16) is connected with a stirring mechanism for stirring materials.
4. The stirring device according to claim 3, wherein the stirring mechanism comprises a stirring ring (24), the diameter of the stirring ring (24) is matched with the inner wall of the barrel body (11), a fixed rotating shaft (23) is arranged in the middle of the stirring ring (24), a plurality of stirring spoke rods (20) connected with the inner wall of the stirring ring (24) are distributed on the outer side of the fixed rotating shaft (23) in an array manner, the stirring spoke rods (20) are used for stirring materials inside the stirring ring (24), the fixed rotating shaft (23) is rotatably arranged on the hanging plates (21), the upper ends of the two hanging plates (21) are fixedly connected with a connecting plate (32), a connecting area connected with the lower end of the driving shaft is arranged at the upper end of the connecting plate (32), a second belt wheel (22) is arranged at the end part of the fixed rotating shaft (23), and the second belt wheel (22) is in transmission connection with the first belt wheel (18) through a transmission belt (19), the first belt wheel (18) is rotatably arranged on the side surface of the hanging plate (21), and an outer gear ring meshed with a transmission gear ring (31) at the bottom of the mounting seat (17) is arranged on the outer side of the first belt wheel (18).
5. The stirring device according to claim 4, wherein a plurality of stirring blades (25) are distributed on the outer side of the stirring ring (24) in an array manner, the stirring blades (25) are matched with gaps between the stirring ring (24) and the inner wall of the barrel body (11), each stirring blade (25) is rotatably arranged on the stirring ring (24) through a rotating rod (27), one end of the rotating rod (27) penetrates through the inner side of the stirring ring (24), a friction ring (29) is arranged at the end part of the rotating rod (27), a friction positioning ring (28) in pressing contact with the friction ring (29) is arranged on the inner wall of the stirring ring (24), and the friction positioning ring (28) is fixedly connected with the hanger plate (21) through a connecting rod (30).
6. A mixing apparatus according to claim 3, wherein the drive assembly comprises a driven gear (16) provided at an upper end of the drive shaft and a mixing motor (14) provided at an upper end of the connecting frame (13), an output end of the mixing motor (14) being provided with a drive gear (15) which is intermeshed with the driven gear (16).
7. Stirring device according to claim 6, characterized in that the stirring motor (14) is a servo motor.
8. Stirring device according to claim 5, characterised in that said stirring spoke (20) is provided with notches (26) for facilitating the positioning of a friction positioning ring (28).
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| CN202110499920.2A CN113293957A (en) | 2021-05-08 | 2021-05-08 | High-scratch-resistance and high-wear-resistance smoke-proof and hot-fix stone plastic floor and processing method and device |
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Application publication date: 20210824 |