CN112297154A - Preparation method of waterproof stain-resistant artificial board - Google Patents
Preparation method of waterproof stain-resistant artificial board Download PDFInfo
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- CN112297154A CN112297154A CN202011047932.3A CN202011047932A CN112297154A CN 112297154 A CN112297154 A CN 112297154A CN 202011047932 A CN202011047932 A CN 202011047932A CN 112297154 A CN112297154 A CN 112297154A
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- artificial board
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/20—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
- B05B15/25—Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising using moving elements, e.g. rotating blades
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G11/00—Applying adhesives or glue to surfaces of wood to be joined
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a preparation method of a waterproof stain-resistant artificial board, which relates to the technical field of artificial boards and comprises the following steps: arranging 4-6 layers of veneers in a criss-cross manner, gluing to prepare a first substrate and a second substrate, performing primary assembly, cold pressing and hot pressing curing on the water-stop sheet, the first water-stop film and the first substrate to obtain a product A, and performing secondary assembly, cold pressing and hot pressing curing on the product A, the second water-stop film and the second substrate to obtain a product B; and assembling the impregnated bond paper and the product B, and performing hot-pressing lamination to obtain a product C. The bottom of the artificial board is provided with the water-stop sheet, so that water vapor in the ground can be prevented from being immersed into the board from the bottom of the artificial board, and meanwhile, the water-stop film is arranged between every two layers of substrates in the artificial board, so that the water vapor can be prevented from being immersed into deeper positions in the board, the natural drying quality of the artificial board is facilitated, and the service life of the artificial board can be prolonged.
Description
Technical Field
The invention relates to the technical field of artificial boards, in particular to a preparation method of a waterproof stain-resistant artificial board.
Background
The artificial board is a board or a die-pressed product which is formed by taking wood or other non-wood plants as raw materials, separating the wood or other non-wood plants into various unit materials through certain mechanical processing and then gluing the unit materials with or without adhesive and other additives, mainly comprises three types of products such as plywood, shaving board, fiberboard and the like, the extension products and deep processing products of the artificial board reach hundreds, the birth of the artificial board marks the beginning of the modernization period of wood processing, in addition, the artificial board can also improve the comprehensive utilization rate of the wood, 1 cubic meter of the artificial board can replace 3-5 cubic meters of logs for use, and along with the development of the technology, the types and functions of the artificial board are more and more.
Chinese patent discloses a method for preparing an artificial board having excellent waterproof property (publication No. CN107263627B), which comprises the following steps: step 1: manufacturing an artificial board core layer, wherein the artificial board core layer is composed of at least 2 rotary-cut single boards, the thickness of each rotary-cut single board is 0.5-12 mm, the water content is 6-15%, the surface of each rotary-cut single board is uniformly coated with an adhesive, a waterproof additive and a preservative, and the artificial board core layer is manufactured after blank assembly, cold pressing and hot pressing and solidification by a hot press; step 2: the artificial board is prepared by respectively using a single board as a bottom layer and a surface layer, uniformly coating an adhesive on the contact surfaces of the surface layer, the core layer and the bottom layer of the artificial board in sequence, assembling, hot-pressing and curing.
The waterproof material of the existing artificial board is single, so that the waterproof capability is poor, the problem that decay or mildew easily occurs in the existing artificial board after the existing artificial board is used for a long time is solved, and meanwhile, after the existing artificial board is used for a long time, the surface of the existing artificial board is easily scratched, so that dust is easily accumulated in scratches, and the cleaning is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problems that the existing artificial board is poor in waterproof capability due to single waterproof material and easy to decay or mildew in the interior of the existing artificial board after long-time use, and dust is easy to accumulate in scratches and is inconvenient to clean due to the fact that the surface of the existing artificial board is easy to scratch after long-time use.
The purpose of the invention can be realized by the following technical scheme:
a preparation method of a waterproof stain-resistant artificial board comprises the following steps:
the method comprises the following steps: arranging 4-6 layers of veneers in a criss-cross manner, gluing to prepare a first substrate and a second substrate, and drying the first substrate and the second substrate;
step two: coating adhesive and preservative on the upper surfaces of the water-stop sheet and the first water-stop film, and then performing primary assembly, cold pressing, hot pressing and curing on the water-stop sheet, the first water-stop film and the first substrate to obtain a product A;
step three: coating adhesive and preservative on the upper surfaces of the product A and the second water-resisting film, and performing secondary assembly, cold pressing, hot pressing and curing on the product A, the second water-resisting film and the second substrate to obtain a product B;
step four: coating base paper impregnation primer on the surface of the product B, assembling the impregnated bond paper and the product B, and performing hot-pressing lamination to obtain a product C;
step five: conveying the product C to spraying equipment, and spraying a stain-resistant coating on the surface of the product C to obtain the artificial board, wherein the stain-resistant coating comprises the following raw materials in parts by weight: 25 parts of synthetic resin emulsion, 3 parts of lignocellulose, 5 parts of sodium hexametaphosphate, 2 parts of titanium dioxide, 1 part of thickener, 2 parts of zeolite powder, 1 part of H550 silane coupling agent, 4 parts of barium sulfate, 10 parts of talcum powder and 8 parts of sepiolite powder;
the application method of the spraying equipment comprises the following steps: conveying the stain-resistant paint into a raw material box through a feed inlet of the raw material box, starting a second driving motor, driving each stirring blade to rotate by an output end of the second driving motor through a synchronous belt, stirring the stain-resistant paint, conveying a product C into a spraying box by a conveying belt, starting a first driving motor, driving a screw rod to rotate by the first driving motor, driving two groups of driving plates to move in opposite directions, driving a recovery plate to move by the two groups of driving plates, stopping the first driving motor after a connecting belt of the recovery plate contacts the edge of the product C, starting an electric telescopic rod, and driving the recovery plate to vertically slide along the driving plates by the electric telescopic rod through the connecting plate;
starting a first high-pressure ejector and a second high-pressure ejector of the side sprayer on the product C, spraying the anti-contamination paint onto the surface of the product C through a high-pressure nozzle to obtain an artificial board, enabling the redundant anti-contamination paint to fall onto a connecting belt from the edges of two sides of the product C, sliding the connecting belt into a recovery plate along the connecting belt, finally collecting the anti-contamination paint into a recovery box along a folding pipe, and finally starting a recovery pump to pump the collected anti-contamination paint into a raw material box through the recovery pipe for secondary utilization;
the conveyer belt is started, the artificial board is conveyed to the lower side of the first group of heaters, the conveyer belt is stopped, the heaters are started, the artificial board is dried for the first time, then the conveyer belt is started, the artificial board is conveyed to the lower side of the second group of heaters for the second time, the steps are repeated, the artificial board is dried to obtain a finished product, and finally the conveyer belt is started to convey the artificial board to next processing equipment.
As a further scheme of the invention: the water-stop sheet comprises a fiber board, an adhesive, paraffin, gelatin and hard acid ester, wherein the fiber board, the adhesive, the paraffin, the gelatin and the hard acid ester are mixed, paved, pre-pressed and hot-pressed to manufacture the water-stop sheet.
As a further scheme of the invention: the surface of the impregnated bond paper is coated with waterborne polyurethane resin, and the first water-resisting film and the second water-resisting film are both members made of CPE films.
As a further scheme of the invention: the spraying equipment comprises a base frame, a spraying box and a recovery pump, wherein the side surface of the spraying box is fixedly connected with control equipment, the upper surface of the base frame is fixedly connected with a conveyor belt, the spraying box is fixedly connected with the base frame, the spraying box is sleeved outside the conveyor belt, the upper surface of the spraying box is fixedly connected with a raw material box, shielding curtains are adhered and connected to two sides of the spraying box, the lower surface of the spraying box is fixedly connected with the recovery box, the recovery pump is placed in the base frame, a feed inlet of the recovery pump is communicated with the bottom end of the recovery box, a discharge outlet of the recovery pump is fixedly connected with a recovery pipe through a flange, and a discharge outlet of the recovery pipe is fixedly connected with the upper surface of the raw material box;
the utility model discloses a spraying case, including spraying incasement portion, one side fixedly connected with a plurality of sprayer, and spraying incasement portion is close to a plurality of heaters of one side fixedly connected with of sprayer, the equal fixedly connected with heat insulating board in both sides that the spraying incasement portion is close to the heater, and the equal first driving motor of fixedly connected with in both sides of spraying case rear surface, the both sides of spraying incasement portion are all rotated and are connected with the hob, first driving motor's output and hob fixed connection, the equal sliding connection in both sides of spraying incasement portion has the drive plate, threaded connection is in the outside of two sets of hobs respectively at the both ends of drive plate, and the equal sliding connection in one side of drive.
As a further scheme of the invention: the rotation directions of the threads at the two ends of the screw rods are opposite, the two sides of the threads of the screw rods are fixedly connected with limit rings, and the screw rods are located on the lower side of the heat insulation plate.
As a further scheme of the invention: the liquid inlet has all been seted up towards the top of conveyer belt one side to the recovery board, and one side fixedly connected with connecting band of conveyer belt is faced to the inlet, the connecting band is a convex component, the liquid outlet of recovery board passes through folding tube and collection box fixed connection.
As a further scheme of the invention: the one side fixedly connected with connecting plate of retrieving the board bottom, the one end of connecting plate runs through the drive plate, the inside outside that is close to the drive plate of drive plate has seted up the spout, the connecting plate runs through fixedly connected with electric telescopic handle between one end and the spraying case of drive plate.
As a further scheme of the invention: the sprayer includes two sets ofly and the connecting block of spraying case being connected, and is two sets of fixedly connected with connecting pipe between the connecting block, the first high pressure sprayer of side fixedly connected with a plurality of and the high pressure sprayer of second of connecting pipe, first high pressure sprayer and the high pressure sprayer staggered arrangement of second, and the equal fixedly connected with high pressure nozzle of discharge gate of first high pressure sprayer and the high pressure sprayer of second, high pressure nozzle is a trapezoidal component, first high pressure sprayer is 15 with the contained angle of vertical direction, second high pressure sprayer is 30 with the contained angle of vertical direction.
As a further scheme of the invention: the number of the heaters is four, the working temperature of the first group of heaters is 100-150 ℃, the working temperature of the second group of heaters is 200-220 ℃, the working temperature of the third group of heaters is 250-280 ℃, and the working temperature of the fourth group of heaters is 320-350 ℃.
As a further scheme of the invention: the one end fixedly connected with second driving motor of raw materials case upper surface, and the inside top fixedly connected with shielded box of raw materials case, it is connected with a plurality of stirring leaf to rotate between shielded box and the raw materials case, second driving motor's output and the top of stirring leaf all are located the inside of shielded box, and are connected through synchronous belt drive between second driving motor's the output and each stirring leaf.
The invention has the beneficial effects that:
1. in the first step, 4-6 layers of veneers are arranged in a criss-cross manner and are glued to form a first substrate and a second substrate, and the first substrate and the second substrate are dried; step two, performing first assembly, cold pressing and hot pressing curing on the water-stop sheet, the first water-stop film and the first substrate to obtain a product A, and performing second assembly, cold pressing and hot pressing curing on the product A, the second water-stop film and the second substrate to obtain a product B, and coating base paper impregnating primer on the surface of the product B in step four, then performing assembly on the impregnated bond paper and the product B, and performing hot pressing and laminating to obtain a product C. Can protect the surface of artificial board, prevent that more dust from adsorbing on the surface of wood-based plate to can improve the resistant dirt nature of wood-based plate, thereby resistant staining coating can form the protection film on the surface of flooding bond paper, prevents that flooding bond paper from being scraped the flower, thereby can avoid the dust to pile up the problem in the wood-based plate surface mar.
2. The feed inlet of the recovery pump is communicated with the bottom end of the recovery box, the discharge outlet of the recovery pump is fixedly connected with a recovery pipe through a flange, the discharge outlet of the recovery pipe is fixedly connected with the upper surface of the raw material box, one side of the top end in the spraying box is fixedly connected with a plurality of sprayers, a first high-pressure sprayer and a second high-pressure sprayer are arranged in a staggered mode, the discharge outlets of the first high-pressure sprayer and the second high-pressure sprayer are fixedly connected with high-pressure nozzles, the high-pressure nozzles are trapezoidal components, the included angle between the first high-pressure sprayer and the vertical direction is 15 degrees, the included angle between the second high-pressure sprayer and the vertical direction is 30 degrees, the coating equipment is adopted to spray contamination-resistant coating on the surface of an artificial board, the recovery plate and the recovery box are arranged in the spraying equipment, redundant coating during spraying can be recovered, and the position of retrieving the board is convenient to be adjusted to can be applicable to the wood-based plate of different sizes, and when retrieving coating, do not influence the wood-based plate and follow the conveyer belt and remove, spraying equipment adopts a plurality of sprayers to carry out the spraying simultaneously, is provided with the high pressure nozzle of two kinds of angles in the sprayer, and the spraying area is big, and the spraying quality is high.
3. One side of the spraying box close to the sprayer is fixedly connected with a plurality of heaters, two sides of the spraying box close to the heaters are fixedly connected with heat insulation plates, the number of the heaters is four, the working temperature of the first group of heaters is 150-, thereby preventing the problem that the stain-resistant coating is poorly adhered to the artificial board due to overhigh drying temperature and preventing the stain-resistant coating and the artificial board from being cracked during drying, meanwhile, the heat of each heater can be blocked through the heat insulation plate, and the heat is prevented from directly radiating on the artificial board.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a diagram of the material of the artificial board according to the present invention;
FIG. 2 is a block diagram of the spraying apparatus of the present invention;
FIG. 3 is a front cross-sectional view of the spray booth of the present invention;
FIG. 4 is a side cross-sectional view of the spray booth of the present invention;
FIG. 5 is an enlarged view of the structure of portion A of FIG. 4 in accordance with the present invention;
FIG. 6 is a partial cross-sectional view of the feed tank of the present invention;
fig. 7 is a structural view of the sprayer of the invention.
In the figure: 1. a water-stop sheet; 2. a first water-barrier film; 3. a first substrate; 4. a second water-barrier film; 5. a second substrate; 6. dipping the adhesive film paper; 7. a stain resistant coating; 8. a base frame; 9. a conveyor belt; 10. a spraying box; 11. a control device; 12. a raw material tank; 13. a curtain; 14. a recycling bin; 15. a recovery pump; 16. a recovery pipe; 17. a sprayer; 18. a heat insulation plate; 19. a heater; 20. a drive plate; 21. recovering the plate; 22. a first drive motor; 23. a screw rod; 24. a connecting plate; 25. an electric telescopic rod; 26. folding the tube; 121. a second drive motor; 122. an isolation box; 123. stirring blades; 124. a synchronous belt; 171. connecting blocks; 172. a connecting pipe; 173. a first high pressure ejector; 174. a second high pressure ejector; 175. a high pressure nozzle; 211. and a connecting belt.
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. 1-7, a method for manufacturing a waterproof and stain-resistant artificial board includes the following steps:
the method comprises the following steps: arranging 5 layers of veneers in a criss-cross manner, gluing the veneers to form a first substrate 3 and a second substrate 5, and drying the first substrate 3 and the second substrate 5;
step two: mixing, paving, prepressing and hot-pressing the fiberboard, an adhesive, paraffin, gelatin and hard acid ester to prepare a water-stop sheet 1, coating the adhesive and a preservative on the upper surfaces of the water-stop sheet 1 and the first water-stop film 2, and then performing primary assembly, cold pressing, hot-pressing and curing on the water-stop sheet 1, the first water-stop film 2 and the first substrate 3 to obtain a product A;
step three: and (3) coating an adhesive and a preservative on the upper surfaces of the product A and the second water-stop film 4, performing secondary assembly, cold pressing and hot-pressing curing on the product A, the second water-stop film 4 and the second substrate 5 to obtain a product B, wherein the first water-stop film 2 and the second water-stop film 4 are CPE films.
Step four: coating base paper impregnation primer on the surface of the product B, coating waterborne polyurethane resin on the surface of the impregnated bond paper 6, assembling the impregnated bond paper 6 and the product B, and performing hot-pressing lamination to obtain a product C;
step five: conveying the product C to spraying equipment, and spraying an anti-staining coating 7 on the surface of the product C to obtain the artificial board, wherein the anti-staining coating 7 comprises the following raw materials in parts by weight: 25 parts of synthetic resin emulsion, 3 parts of lignocellulose, 5 parts of sodium hexametaphosphate, 2 parts of titanium dioxide, 1 part of thickener, 2 parts of zeolite powder, 1 part of H550 silane coupling agent, 4 parts of barium sulfate, 10 parts of talcum powder and 8 parts of sepiolite powder.
Referring to fig. 2-4, the spraying equipment includes a base frame 8, a spraying box 10 and a recovery pump 15, a control device 11 is fixedly connected to a side surface of the spraying box 10, a conveyor belt 9 is fixedly connected to an upper surface of the base frame 8, the spraying box 10 is fixedly connected to the base frame 8, the spraying box 10 is sleeved outside the conveyor belt 9, a raw material box 12 is fixedly connected to the upper surface of the spraying box 10, shielding curtains 13 are adhered to both sides of the spraying box 10, a recovery box 14 is fixedly connected to a lower surface of the spraying box 10, the recovery pump 15 is placed inside the base frame 8, a feed port of the recovery pump 15 is communicated with a bottom end of the recovery box 14, a discharge port of the recovery pump 15 is fixedly connected to a recovery pipe 16 through a flange, and a discharge port of the recovery pipe 16 is fixedly connected to an upper;
one side of the top end inside the spraying box 10 is fixedly connected with a plurality of sprayers 17, one side of the inside of the spraying box 10, which is close to the sprayers 17, is fixedly connected with a plurality of groups of heaters 19, the working temperature of the first group of heaters 19 is 120 ℃, the working temperature of the second group of heaters 19 is 210 ℃, the working temperature of the third group of heaters 19 is 260 ℃, and the working temperature of the fourth group of heaters 19 is 330 ℃. The inside equal fixedly connected with heat insulating board 18 in both sides that is close to heater 19 of spraying case 10, and the equal fixedly connected with driving motor 22 in both sides of spraying case 10 rear surface, the inside both sides of spraying case 10 are all rotated and are connected with hob 23, first driving motor 22's output and hob 23 fixed connection, the equal sliding connection in both sides of spraying case 10 has drive plate 20, threaded connection is in the outside of two sets of hobs 23 respectively at drive plate 20's both ends, and drive plate 20 has recovery plate 21 towards the equal sliding connection in one side of conveyer belt 9. The rotation directions of the threads at the two ends of the two groups of screw rods 23 are opposite, the two sides of the threads of the two groups of screw rods 23 are fixedly connected with limit rings, and the two groups of screw rods 23 are positioned at the lower side of the heat insulation plate 18. The top end of one side of the recovery plate 21 facing the conveyor belt 9 is provided with a liquid inlet, one side of the liquid inlet facing the conveyor belt 9 is fixedly connected with a connecting belt 211, the connecting belt 211 is a circular arc-shaped member, and the liquid outlet of the recovery plate 21 is fixedly connected with the recovery box 14 through a folding pipe 26.
While those not described in detail in this specification are well known in the art, on the other hand, each of the electrical components in the apparatus is electrically connected to the control device 11, and the working logic and the working sequence between each of the electrical components can be controlled by programming and manual work.
Please refer to fig. 5, a connecting plate 24 is fixedly connected to one side of the bottom end of the recovery plate 21, one end of the connecting plate 24 penetrates through the driving plate 20, a sliding slot is formed in the driving plate 20 and on the outer side close to the driving plate 20, an electric telescopic rod 25 is fixedly connected between one end of the connecting plate 24 penetrating through the driving plate 20 and the spraying box 10, the electric telescopic rod 25 is of an XTL100 type, and the electric telescopic rod 25 can drive the recovery plate 21 and the driving plate 20 to move relatively, so as to conveniently increase the height of the recovery plate 21.
Referring to fig. 6, a second driving motor 121 is fixedly connected to one end of the upper surface of the raw material tank 12, an isolation tank 122 is fixedly connected to the top end of the interior of the raw material tank 12, a plurality of stirring blades 123 are rotatably connected between the isolation tank 122 and the raw material tank 12, the output end of the second driving motor 121 and the top ends of the stirring blades 123 are both located inside the isolation tank 122, the output end of the second driving motor 121 and each stirring blade 123 are in transmission connection through a synchronous belt 124, and the problem of precipitation and the like can be prevented by continuously stirring the contamination-resistant coating 7.
Referring to fig. 7, the sprayer 17 includes two sets of connection blocks 171 connected to the spray box 10, a connection pipe 172 is fixedly connected between the two sets of connection blocks 171, a first high pressure sprayer 173 and a second high pressure sprayer 174 are fixedly connected to a side surface of the connection pipe 172, the first high pressure sprayer 173 and the second high pressure sprayer 174 are arranged in a staggered manner, discharge ports of the first high pressure sprayer 173 and the second high pressure sprayer 174 are both fixedly connected with a high pressure nozzle 175, the high pressure nozzle 175 is a trapezoidal member, an included angle between the first high pressure sprayer 173 and a vertical direction is 15 °, an included angle between the second high pressure sprayer 174 and the vertical direction is 30 °, a spray range can be increased by the dual-angle high pressure sprayer, and a spray area can be increased by the trapezoidal high pressure nozzle 175.
The application method of the spraying equipment comprises the following steps: conveying the anti-contamination paint 7 into the raw material box 12 through a feed inlet of the raw material box 12, starting a second driving motor 121, driving each stirring blade 123 to rotate by an output end of the second driving motor 121 through a synchronous belt 124, stirring the anti-contamination paint 7, conveying the product C into the spraying box 10 by a conveying belt 9, starting a first driving motor 22, driving a spiral rod 23 to rotate by the first driving motor 22, driving two groups of driving plates 20 to do opposite movement, driving a recovery plate 21 to move by the two groups of driving plates 20, stopping the first driving motor 22 after a connecting belt 211 of the recovery plate 21 contacts with the edge of the product C, starting an electric telescopic rod 25, driving the recovery plate 21 to vertically slide along the recovery plate 20 by the electric telescopic rod 25 through a connecting plate 24, and stopping when the connecting belt 211 of the recovery plate 21 is tightly attached to the lower side of the edge of the artificial plate;
starting a first high pressure sprayer 173 and a second high pressure sprayer 174 of the side sprayer 17 on the product C, the first high pressure sprayer 173 and the second high pressure sprayer 174 spraying the anti-staining coating 7 on the surface of the product C through a high pressure nozzle 175 to obtain an artificial board, the excess anti-staining coating 7 being dropped onto the connection strip 211 from the edges of both sides of the product C and sliding along the connection strip 211 into the recovery plate 21, finally being collected into the recovery tank 14 along the folding pipe 26, and finally starting the recovery pump 15 to pump the collected anti-staining coating 7 into the raw material tank 12 through the recovery pipe 16 for secondary use;
the artificial board drying method comprises the steps of starting the conveyor belt 9, conveying the artificial board to the lower side of the first group of heaters 19, stopping the conveyor belt 9, starting the heaters 19, drying the artificial board for the first time, starting the conveyor belt 9 later, conveying the artificial board to the lower side of the second group of heaters 19, drying the artificial board for the second time, repeating the steps, drying the artificial board to obtain a finished product, and finally starting the conveyor belt 9 to convey the artificial board to next processing equipment.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (10)
1. The preparation method of the waterproof stain-resistant artificial board is characterized by comprising the following steps:
the method comprises the following steps: arranging 4-6 layers of veneers in a criss-cross manner, gluing to prepare a first substrate (3) and a second substrate (5), and drying the first substrate (3) and the second substrate (5);
step two: coating adhesive and preservative on the upper surfaces of the water-stop sheet (1) and the first water-stop film (2), and then performing primary assembly, cold pressing and hot pressing solidification on the water-stop sheet (1), the first water-stop film (2) and the first substrate (3) to obtain a product A;
step three: coating adhesive and preservative on the upper surfaces of the product A and the second water-resisting film (4), and performing secondary assembly, cold pressing and hot pressing solidification on the product A, the second water-resisting film (4) and the second substrate (5) to obtain a product B;
step four: coating base paper impregnation primer on the surface of the product B, assembling the impregnated bond paper (6) and the product B, and performing hot-pressing lamination to obtain a product C;
step five: conveying the product C to spraying equipment, and spraying a stain-resistant coating (7) on the surface of the product C to obtain an artificial board;
the application method of the spraying equipment comprises the following steps: the anti-staining coating (7) is conveyed into the raw material box (12) through the feed inlet of the raw material box (12), the second driving motor (121) is started, the output end of the second driving motor (121) drives each stirring blade (123) to rotate through a synchronous belt (124), the anti-soiling paint (7) is stirred, the conveyor belt (9) conveys the product C into the spraying box (10), the first driving motor (22) is started, the first driving motor (22) drives the screw rod (23) to rotate, the two groups of driving plates (20) are driven to do opposite movement, the two groups of driving plates (20) drive the recovery plate (21) to move, after a connecting belt (211) of the recovery plate (21) contacts the edge of the product C, stopping the first driving motor (22), starting the electric telescopic rod (25), and driving the recovery plate (21) to vertically slide along the driving plate (20) through the connecting plate (24) by the electric telescopic rod (25);
starting a first high-pressure ejector (173) and a second high-pressure ejector (174) of an upper side sprayer (17) of the product C, spraying the anti-staining coating (7) on the surface of the product C by a first high-pressure ejector (173) and a second high-pressure ejector (174) through a high-pressure nozzle (175) to obtain an artificial board, dropping the redundant anti-staining coating (7) onto a connecting strip (211) from the edges of the two sides of the product C, sliding the product C along the connecting strip (211) into a recovery plate (21), finally converging the product C into a recovery tank (14) along a folding pipe (26), and finally starting a recovery pump (15) to pump the collected anti-staining coating (7) into a raw material tank (12) through a recovery pipe (16) for secondary use;
starting the conveyor belt (9), conveying the artificial board to the lower side of the first group of heaters (19), stopping the conveyor belt (9), starting the heaters (19), drying the artificial board for the first time, then starting the conveyor belt (9), conveying the artificial board to the lower side of the second group of heaters (19) for the second time, repeating the steps, drying the artificial board to obtain a finished product, finally starting the conveyor belt (9), and conveying the artificial board to next processing equipment.
2. The method for preparing a waterproof and stain-resistant artificial board according to claim 1, wherein the water-stop sheet (1) comprises a fiber board, an adhesive, paraffin, gelatin and hard acid ester, and the fiber board is mixed with the adhesive, the paraffin, the gelatin and the hard acid ester, paved, pre-pressed and hot-pressed to form the water-stop sheet (1).
3. The method for preparing a waterproof and stain-resistant artificial board according to claim 1, wherein the surface of the impregnated bond paper (6) is coated with aqueous polyurethane resin, and the first water-stop film (2) and the second water-stop film (4) are both made of CPE film.
4. The preparation method of the waterproof stain-resistant artificial board according to claim 1, wherein the spraying equipment comprises a base frame (8), a spraying box (10) and a recycling pump (15), the side surface of the spraying box (10) is fixedly connected with a control device (11), the upper surface of the base frame (8) is fixedly connected with a conveyor belt (9), the spraying box (10) is fixedly connected with the base frame (8), the spraying box (10) is sleeved outside the conveyor belt (9), the upper surface of the spraying box (10) is fixedly connected with a raw material box (12), the two sides of the spraying box (10) are adhered and connected with shielding curtains (13), the lower surface of the spraying box (10) is fixedly connected with a recycling box (14), the recycling pump (15) is placed inside the base frame (8), and the feed inlet of the recycling pump (15) is communicated with the bottom end of the recycling box (14), a discharge port of the recovery pump (15) is fixedly connected with a recovery pipe (16) through a flange, and a discharge port of the recovery pipe (16) is fixedly connected with the upper surface of the raw material tank (12);
one side of the top end in the spraying box (10) is fixedly connected with a plurality of sprayers (17), and one side of the interior of the spraying box (10) close to the sprayer (17) is fixedly connected with a plurality of heaters (19), the two sides of the interior of the spraying box (10) close to the heater (19) are fixedly connected with heat insulation plates (18), and both sides of the rear surface of the spraying box (10) are fixedly connected with a first driving motor (22), both sides of the interior of the spraying box (10) are rotatably connected with screw rods (23), the output end of the first driving motor (22) is fixedly connected with the screw rod (23), two sides inside the spraying box (10) are both connected with driving plates (20) in a sliding way, two ends of the driving plate (20) are respectively in threaded connection with the outer sides of the two groups of screw rods (23), and one side of the driving plate (20) facing the conveyor belt (9) is connected with a recovery plate (21) in a sliding way.
5. The method for preparing the waterproof stain-resistant artificial board according to claim 4, wherein the two screw rods (23) have opposite rotation directions of threads at two ends, and two limiting rings are fixedly connected to two sides of the threads of the two screw rods (23), and the two screw rods (23) are located at the lower side of the heat insulation board (18).
6. The method for preparing the waterproof and stain-resistant artificial board according to claim 4, wherein the top end of the recovery board (21) facing the conveyor belt (9) is provided with a liquid inlet, a connecting belt (211) is fixedly connected to the side of the liquid inlet facing the conveyor belt (9), the connecting belt (211) is a circular arc-shaped member, and the liquid outlet of the recovery board (21) is fixedly connected to the recovery tank (14) through a folding pipe (26).
7. The method for preparing the waterproof stain-resistant artificial board according to claim 6, wherein a connecting plate (24) is fixedly connected to one side of the bottom end of the recovery plate (21), one end of the connecting plate (24) penetrates through the driving plate (20), a sliding groove is formed in the driving plate (20) and close to the outer side of the driving plate (20), and an electric telescopic rod (25) is fixedly connected between one end of the connecting plate (24) penetrating through the driving plate (20) and the spraying box (10).
8. The method for preparing a waterproof and stain-resistant artificial board according to claim 4, the sprayer (17) comprises two groups of connecting blocks (171) connected with the spraying box (10), a connecting pipe (172) is fixedly connected between the two groups of connecting blocks (171), the side surface of the connecting pipe (172) is fixedly connected with a plurality of first high-pressure ejectors (173) and second high-pressure ejectors (174), the first high pressure injectors (173) and the second high pressure injectors (174) are staggered, and the discharge ports of the first high-pressure injector (173) and the second high-pressure injector (174) are fixedly connected with a high-pressure nozzle (175), the high-pressure nozzle (175) is a trapezoidal component, the included angle between the first high-pressure injector (173) and the vertical direction is 15 degrees, and the included angle between the second high-pressure injector (174) and the vertical direction is 30 degrees.
9. The method for preparing the waterproof and stain-resistant artificial board as claimed in claim 4, wherein the number of the heaters (19) is four, the operating temperature of the first group of heaters (19) is 100-150 ℃, the operating temperature of the second group of heaters (19) is 200-220 ℃, the operating temperature of the third group of heaters (19) is 250-280 ℃, and the operating temperature of the fourth group of heaters (19) is 320-350 ℃.
10. The method for preparing the waterproof stain-resistant artificial board according to claim 4, wherein a second driving motor (121) is fixedly connected to one end of the upper surface of the raw material box (12), an isolation box (122) is fixedly connected to the top end of the interior of the raw material box (12), a plurality of stirring blades (123) are rotatably connected between the isolation box (122) and the raw material box (12), the output end of the second driving motor (121) and the top ends of the stirring blades (123) are both located inside the isolation box (122), and the output end of the second driving motor (121) is in transmission connection with each stirring blade (123) through a synchronous belt (124).
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| CN202011047932.3A CN112297154A (en) | 2020-09-29 | 2020-09-29 | Preparation method of waterproof stain-resistant artificial board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570611A (en) * | 2022-02-11 | 2022-06-03 | 徐州顺予木业有限公司 | Cleaning device for overflowing residual glue during bonding of plywood |
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