CN111844302A - Method for processing solid wood furniture plate - Google Patents
Method for processing solid wood furniture plate Download PDFInfo
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- CN111844302A CN111844302A CN202010782728.XA CN202010782728A CN111844302A CN 111844302 A CN111844302 A CN 111844302A CN 202010782728 A CN202010782728 A CN 202010782728A CN 111844302 A CN111844302 A CN 111844302A
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/0207—Pretreatment of wood before impregnation
- B27K3/0214—Drying
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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
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
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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
- B27D3/00—Veneer presses; Press plates; Plywood presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/22—Compounds of zinc or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K5/00—Treating of wood not provided for in groups B27K1/00, B27K3/00
- B27K5/04—Combined bleaching or impregnating and drying of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
Abstract
The invention belongs to the field of wood processing, and particularly relates to a method for processing a solid wood furniture plate. The method comprises the following specific steps: (1) preparing a resin impregnation liquid (3) in a blank warehouse (2), inflating and impregnating (4) resin impregnating (5) drying a wool (6), roughly planing and trimming (7) a wool splicing plate (8), distributing glue splicing plate (9) and pressing the board, and performing four-side planing to obtain the solid wood board with smooth and fine surface. The wood furniture board has the advantages that all directions of hardness of the wood furniture board produced by the processing method are increased, the dry shrinkage and wet expansion rate of the wood is reduced, the subsequent finish machining woodworking and spraying procedures are facilitated, the product process is stable, and the wood furniture board can be used for producing high-end solid wood furniture.
Description
Technical Field
The invention belongs to the field of wood processing, and particularly relates to a method for processing a solid wood furniture plate.
Background
The ancient wood is the main raw material which human beings depend on for survival, and is called four main raw materials together with steel, cement and plastics. The wood resource has strong reproducibility, easy processing and good environment coordination, and has very important function in economic construction and daily life of people as a building and industrial material. However, with the exhaustion of the world natural forest resources and the implementation of the national natural forest protection project, the artificial forest wood becomes the main species for relieving the supply and demand contradiction of the wood markets at home and abroad in the future. The artificial forest wood mainly comprises poplar, fir, pine, eucalyptus, paulownia and other tree species, has the characteristics of high growth speed, high yield, short felling period and the like, has the characteristics of high young wood proportion, low basic density, short wood fiber and conduit molecules, thin cell wall, large fiber and ray ratio, more conduits and the like compared with natural forests, thereby causing the characteristics of low wood density and surface hardness, large longitudinal dry shrinkage and the like, and has the advantages of corrosion resistance, easy moisture absorption, poor size stability, short service life and limitation of the application range. Therefore, it is an important subject to improve the comprehensive performance of fast growing wood and to increase the utilization value thereof. The wood modification method is an effective way for improving the physical and chemical properties of the artificial forest wood, the density, the surface hardness, the wear resistance and the dimensional stability of the treated wood are greatly improved, and the wood can be widely applied to the industries of floors, building decoration materials and furniture.
The wood impregnation process is divided into two stages of impregnation and drying and curing: the impregnation stage generally adopts vacuum pressurization treatment, and the impregnation treatment agent is wide in range and comprises organic substances, inorganic substances, nano particles, composite substances among the nano particles and the like. The organic substances usually selected include phenolic resin, urea-formaldehyde resin and melamine resin, and glyoxal, polyethylene glycol and nontoxic and cheap natural organic substances-soluble starch and the like which have less environmental pollution are also adopted.
The solid wood jointed board is an important process in manufacturing solid wood furniture, the jointed board can better eliminate the phenomena of uneven board surface warpage and cracking deformation, has better sense of unity in texture and color, more prominent texture after painting, and higher wood utilization rate, and accords with the principle of ecological utilization of raw materials.
The invention provides a processing method for a board for solid wood furniture, which is based on a wood impregnation process and a solid wood splicing process, aims at researching and optimizing impregnation liquid and splicing process parameters in a solid wood furniture production process, improves the strength and hardness of a wood wool material, and improves the dimensional stability.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a method for processing a plate for solid wood furniture, optimize a wood wool impregnation process and a plate splicing process, improve various performances of a product, and be used in the high-end field of the solid wood furniture.
In order to solve the technical problems, the invention provides a method for processing a plate for solid wood furniture, which comprises the following specific steps:
(1) warehousing the blank: drying the purchased solid wood sawn timber to water content of 8-12% by a timber vacuum dryer, warehousing and standing for more than 5 days to restore internal balance;
(2) preparing a resin impregnation liquid: preparing resin impregnation liquid from purified water, impregnating resin, a catalyst and a penetrating agent according to a certain proportion;
(3) and (3) inflation and impregnation: preparing a PEG-1000 aqueous solution with the mass fraction of 20-30%, carrying out normal-pressure dipping treatment on the selected wool for 24-36 hours at the temperature of 40-60 ℃, and then drying for 1-3 days at the temperature of 40-80 ℃ until the water content is 8-10%;
(4) resin impregnation: placing the treated wool in an impregnation tank, sealing, vacuumizing to-0.09-0.098 MPa, keeping for 10-30 min, pumping the prepared impregnation liquid into the tank by using negative pressure, pressurizing to 1.2-1.5 MPa by using nitrogen, and keeping the pressure for 1-3 hours;
(5) drying the wool: placing the dipped wool into a ventilation room to naturally air for 1-2 days, then placing the wool into a vacuum dryer to dry for 8-10 hours at 80-100 ℃, and drying until the water content is 8-10%;
(6) rough planing and trimming: carrying out surface slicing treatment on the selected blank according to the thickness requirement of the plate, and then trimming the length and burr of the burr;
(7) splicing the woollen: selecting wool materials with consistent wood grains, color and little color difference change to be spliced into required specification width;
(8) glue spreading and plate splicing: uniformly brushing glue between the wools, pressing and forming by using a plate splicing machine, and aging for 2-3 hours;
(9) and (4) performing four-side polishing on the pressed board to obtain the solid wood board with smooth and fine surface.
As a preferable improvement of the above scheme, the solid wood sawn timber specification material in the step (1) is preferably poplar.
According to the preferable improvement of the scheme, the preparation proportion of the resin impregnation liquid in the step (2) is, by weight, 1000 parts of purified water, 80-120 parts of impregnation resin, 4-8 parts of catalyst and 1-3 parts of penetrating agent, wherein the impregnation resin is dimethylol dihydroxy ethylene urea resin, the catalyst is zinc nitrate, the penetrating agent is a JFC type penetrating agent, and the main component is fatty alcohol-polyoxyethylene ether.
The preferable improvement of the scheme is characterized in that the preparation proportion of the resin impregnation liquid in the step (2) is, by weight, 1000 parts of purified water, 120-160 parts of impregnation resin, 8-10 parts of catalyst and 2-4 parts of penetrating agent, wherein the impregnation resin is dimethylol dihydroxy ethylene urea resin, the catalyst is magnesium chloride, the penetrating agent is rapid penetrating agent and the main component is dioctyl sodium sulfosuccinate.
The preferable improvement of the scheme is characterized in that the preparation proportion of the resin impregnation liquid in the step (2) is, by weight, 1000 parts of purified water, 100-120 parts of impregnation resin, 6-8 parts of catalyst and 2-4 parts of penetrating agent, wherein the impregnation resin is melamine formaldehyde resin, the catalyst is ammonium sulfate, the penetrating agent is rapid penetrating agent, and the main component is dioctyl sulfosuccinate sodium salt.
The preferable improvement of the scheme is characterized in that the glue spreading glue in the step (8) is a double-component water-based adhesive consisting of a commercially available vinyl emulsion and aromatic polycyanate, and the glue spreading amount is 250-280 g/square meter.
As a preferable improvement of the above aspect, the step (8) is characterized in that the pressure and time are adjusted at room temperature, and the pressure is 15000 to 2000kg/m at a temperature of 20 ℃ or lower2Pressing for 40-60 min; the temperature is more than 20 ℃ and the pressure is high10000-1500 kg/m2The pressing time is 1.5-2 hours.
The wood furniture board has the advantages that all directions of hardness of the wood furniture board produced by the processing method are increased, the dry shrinkage and wet expansion rate of the wood is reduced, the subsequent finish machining woodworking and spraying procedures are facilitated, the product process is stable, and the wood furniture board can be used for producing high-end solid wood furniture.
Detailed Description
For a better understanding of the present invention, the technical solutions of the present invention will be further described below with reference to specific embodiments.
Example 1
(1) Warehousing the blank: drying the purchased poplar solid wood sawn timber specification timber by a timber vacuum dryer until the moisture content is 10%, warehousing and standing for more than 5 days to restore the internal balance;
(2) preparing a resin impregnation liquid: preparing purified water, impregnating resin, a catalyst and a penetrating agent according to a certain proportion into resin impregnating solution, wherein the resin impregnating solution is prepared from 1000 parts by weight of purified water, 100 parts by weight of impregnating resin, 6 parts by weight of catalyst and 2 parts by weight of penetrating agent, the impregnating resin is dihydroxymethyl dihydroxy ethylene urea resin, the catalyst is zinc nitrate, the penetrating agent is a JFC type penetrating agent, and the main component is fatty alcohol-polyoxyethylene ether;
(3) and (3) inflation and impregnation: preparing a PEG-1000 aqueous solution with the mass fraction of 25%, carrying out normal pressure dipping treatment on the selected wool for 24 hours at the temperature of 55 ℃, and then drying for 2 days at the temperature of 60 ℃ until the water content is 8.5%;
(4) resin impregnation: placing the treated wool in an impregnation tank, sealing, vacuumizing to-0.09 to-0.098 MPa, keeping for 25min, pumping the prepared impregnation liquid into the tank by using negative pressure, pressurizing to 1.3MPa by using nitrogen, and keeping the pressure for 2 hours;
(5) drying the wool: placing the dipped wool into a ventilation room to naturally air for 2 days, then placing the wool into a vacuum dryer to dry for 10 hours at 95 ℃, and drying the wool until the moisture content is 8.5%;
(6) rough planing and trimming: carrying out surface slicing treatment on the selected blank according to the thickness requirement of the plate, and then trimming the length and burr of the burr;
(7) splicing the woollen: selecting wool materials with consistent wood grains, color and little color difference change to be spliced into required specification width;
(8) glue spreading and plate splicing: uniformly brushing glue between the wools, wherein the glue is a double-component water-based adhesive consisting of commercially available vinyl emulsion and aromatic polycyanate, the glue application amount is 270 g/square meter, the glue is pressed and formed on a plate splicing machine, and the pressure degree is 13000kg/m at the temperature of more than 20 DEG C2Pressing for 2 hours and aging for 3 hours;
(9) and (4) performing four-side polishing on the pressed board to obtain the solid wood board with smooth and fine surface.
The solid wood board produced by the embodiment has static bending strength reaching 129MPa, radial dry shrinkage rate of 1.68%, chord direction dry shrinkage rate of 1.15%, radial wet expansion rate of 2.34% and chord direction wet expansion rate of 0.55%, and is superior to the characteristics of the board produced by the common process.
Example 2
(1) Warehousing the blank: drying the purchased poplar solid wood sawn timber specification timber by a timber vacuum dryer until the moisture content is 10%, warehousing and standing for more than 5 days to restore the internal balance;
(2) preparing a resin impregnation liquid: the resin impregnation liquid is prepared from 1000 parts by weight of purified water, 140 parts by weight of impregnation resin, 9 parts by weight of catalyst and 3 parts by weight of penetrant, wherein the impregnation resin is dimethylol dihydroxy ethylene urea resin, the catalyst is magnesium chloride, the penetrant is a rapid penetrant, and the main component of the penetrant is dioctyl sodium sulfosuccinate.
(3) And (3) inflation and impregnation: preparing a PEG-1000 aqueous solution with the mass fraction of 25%, carrying out normal pressure dipping treatment on the selected wool for 24 hours at the temperature of 55 ℃, and then drying for 2 days at the temperature of 60 ℃ until the water content is 8.5%;
(4) resin impregnation: placing the treated wool in an impregnation tank, sealing, vacuumizing to-0.09 to-0.098 MPa, keeping for 25min, pumping the prepared impregnation liquid into the tank by using negative pressure, pressurizing to 1.3MPa by using nitrogen, and keeping the pressure for 2 hours;
(5) drying the wool: placing the dipped wool into a ventilation room to naturally air for 2 days, then placing the wool into a vacuum dryer to dry for 10 hours at 95 ℃, and drying the wool until the moisture content is 8%;
(6) rough planing and trimming: carrying out surface slicing treatment on the selected blank according to the thickness requirement of the plate, and then trimming the length and burr of the burr;
(7) splicing the woollen: selecting wool materials with consistent wood grains, color and little color difference change to be spliced into required specification width;
(8) glue spreading and plate splicing: uniformly brushing glue between the wools, wherein the glue is a double-component water-based adhesive consisting of commercially available vinyl emulsion and aromatic polycyanate, the glue application amount is 270 g/square meter, the glue is pressed and formed on a plate splicing machine, and the pressure degree is 13000kg/m at the temperature of more than 20 DEG C2Pressing for 2 hours and aging for 3 hours;
(9) and (4) performing four-side polishing on the pressed board to obtain the solid wood board with smooth and fine surface.
The solid wood board produced by the embodiment has the static bending strength of 118MPa, the radial dry shrinkage rate of 1.63 percent, the chord direction dry shrinkage rate of 1.24 percent, the radial wet expansion rate of 2.04 percent and the chord direction wet expansion rate of 0.45 percent, and is superior to the characteristics of the board produced by the common process.
Example 3
(1) Warehousing the blank: drying the purchased poplar solid wood sawn timber specification timber by a timber vacuum dryer until the moisture content is 10%, warehousing and standing for more than 5 days to restore the internal balance;
(2) preparing a resin impregnation liquid: the resin impregnating solution is prepared from 1000 parts by weight of purified water, 110 parts by weight of impregnating resin, 7 parts by weight of catalyst and 3 parts by weight of penetrating agent according to a certain proportion, wherein the impregnating resin is melamine formaldehyde resin, the catalyst is ammonium sulfate, the penetrating agent is a rapid penetrating agent, and the main component is dioctyl sodium sulfosuccinate.
(3) And (3) inflation and impregnation: preparing a PEG-1000 aqueous solution with the mass fraction of 25%, carrying out normal pressure dipping treatment on the selected wool for 24 hours at the temperature of 55 ℃, and then drying for 2 days at the temperature of 60 ℃ until the water content is 8.5%;
(4) resin impregnation: placing the treated wool in an impregnation tank, sealing, vacuumizing to-0.09 to-0.098 MPa, keeping for 25min, pumping the prepared impregnation liquid into the tank by using negative pressure, pressurizing to 1.3MPa by using nitrogen, and keeping the pressure for 2 hours;
(5) drying the wool: placing the dipped wool into a ventilation room to naturally air for 2 days, then placing the wool into a vacuum dryer to dry for 10 hours at 95 ℃, and drying the wool until the moisture content is 8%;
(6) rough planing and trimming: carrying out surface slicing treatment on the selected blank according to the thickness requirement of the plate, and then trimming the length and burr of the burr;
(7) splicing the woollen: selecting wool materials with consistent wood grains, color and little color difference change to be spliced into required specification width;
(8) glue spreading and plate splicing: uniformly brushing glue between the wools, wherein the glue is a double-component water-based adhesive consisting of commercially available vinyl emulsion and aromatic polycyanate, the glue application amount is 270 g/square meter, the glue is pressed and formed on a plate splicing machine, and the pressure degree is 13000kg/m at the temperature of more than 20 DEG C2Pressing for 2 hours and aging for 3 hours;
(9) and (4) performing four-side polishing on the pressed board to obtain the solid wood board with smooth and fine surface.
The solid wood board produced by the embodiment has static bending strength of 137MPa, radial dry shrinkage rate of 1.33%, chord direction dry shrinkage rate of 1.04%, radial wet expansion rate of 2.65% and chord direction wet expansion rate of 0.70%, and is superior to the characteristics of the board produced by the common process.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-described embodiments. All technical schemes belonging to the idea of the invention belong to the protection scope of the invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention, and such modifications and embellishments should also be considered as within the scope of the invention.
Claims (7)
1. The processing method of the board for the solid wood furniture is characterized by comprising the following steps:
(1) warehousing the blank: drying the purchased solid wood sawn timber to water content of 8-12% by a timber vacuum dryer, warehousing and standing for more than 5 days to restore internal balance;
(2) preparing a resin impregnation liquid: preparing resin impregnation liquid from purified water, impregnating resin, a catalyst and a penetrating agent according to a certain proportion;
(3) and (3) inflation and impregnation: preparing a PEG-1000 aqueous solution with the mass fraction of 20-30%, carrying out normal-pressure dipping treatment on the selected wool for 24-36 hours at the temperature of 40-60 ℃, and then drying for 1-3 days at the temperature of 40-80 ℃ until the water content is 8-10%;
(4) resin impregnation: placing the treated wool in an impregnation tank, sealing, vacuumizing to-0.09-0.098 MPa, keeping for 10-30 min, pumping the prepared impregnation liquid into the tank by using negative pressure, pressurizing to 1.2-1.5 MPa by using nitrogen, and keeping the pressure for 1-3 hours;
(5) drying the wool: placing the dipped wool into a ventilation room to naturally air for 1-2 days, then placing the wool into a vacuum dryer to dry for 8-10 hours at 80-100 ℃, and drying until the water content is 8-10%;
(6) rough planing and trimming: carrying out surface slicing treatment on the selected blank according to the thickness requirement of the plate, and then trimming the length and burr of the burr;
(7) splicing the woollen: selecting wool materials with consistent wood grains, color and little color difference change to be spliced into required specification width;
(8) glue spreading and plate splicing: uniformly brushing glue between the wools, pressing and forming by using a plate splicing machine, and aging for 2-3 hours;
(9) and (4) performing four-side polishing on the pressed board to obtain the solid wood board with smooth and fine surface.
2. The method as claimed in claim 1, wherein the wood lumber specification of step (1) is preferably poplar.
3. The processing method of the plate for the solid wood furniture as claimed in claim 1, wherein the resin impregnation liquid in the step (2) is prepared from 1000 parts by weight of purified water, 80-120 parts by weight of impregnation resin, 4-8 parts by weight of catalyst and 1-3 parts by weight of penetrant, wherein the impregnation resin is dimethylol dihydroxy ethylene urea resin, the catalyst is zinc nitrate, the penetrant is JFC type penetrant, and the main component is fatty alcohol-polyoxyethylene ether.
4. The processing method of the plate for the solid wood furniture as claimed in claim 1, wherein the resin impregnation liquid in the step (2) comprises 1000 parts by weight of purified water, 120-160 parts by weight of impregnation resin, 8-10 parts by weight of catalyst and 2-4 parts by weight of penetrant, wherein the impregnation resin is dimethylol dihydroxy ethylene urea resin, the catalyst is magnesium chloride, the penetrant is a rapid penetrant, and the main component is dioctyl sodium sulfosuccinate.
5. The processing method of the plate for the solid wood furniture as claimed in claim 1, wherein the resin impregnation liquid in the step (2) is prepared from 1000 parts by weight of purified water, 100-120 parts by weight of impregnation resin, 6-8 parts by weight of catalyst and 2-4 parts by weight of penetrant, wherein the impregnation resin is melamine formaldehyde resin, the catalyst is ammonium sulfate, the penetrant is a rapid penetrant, and the main component is dioctyl sodium sulfosuccinate.
6. The processing method of the plate for the solid wood furniture as claimed in claim 1, wherein the glue spreading glue in the step (8) is a two-component water-based adhesive consisting of a commercially available vinyl emulsion and an aromatic polycyanate, and the glue spreading amount is 250-280 g/square meter.
7. The method for processing the plate for the solid wood furniture as claimed in claim 6, wherein the pressurizing degree and time in the step (8) are adjusted with the room temperature, and the pressurizing degree is 15000 to 2000kg/m at the temperature of 20 ℃ or below2Pressing for 40-60 min; the pressure at a temperature of more than 20 ℃ is 10000-1500 kg/m2The pressing time is 1.5-2 hours.
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| CN202010782728.XA CN111844302A (en) | 2020-08-06 | 2020-08-06 | Method for processing solid wood furniture plate |
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| CN202010782728.XA CN111844302A (en) | 2020-08-06 | 2020-08-06 | Method for processing solid wood furniture plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114872154A (en) * | 2022-04-20 | 2022-08-09 | 水木山海科技(佛山)有限责任公司 | Furfuryl-based wood modification liquid |
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| WO2011085453A1 (en) * | 2010-01-18 | 2011-07-21 | Arch Wood Protection Pty Ltd | Reduced drying carrier formulation |
| CN103991116A (en) * | 2014-04-22 | 2014-08-20 | 南京林业大学 | Method for making fast-growing wood into strengthened solid wood planks through multi-effect compound modification treatment |
| CN105563579A (en) * | 2015-12-23 | 2016-05-11 | 中国林业科学研究院木材工业研究所 | High-permeability resin type timber enhancing modifier and efficient immersion treatment control method |
| CN106272855A (en) * | 2016-08-26 | 2017-01-04 | 成都四通瑞坤家具有限公司 | A kind of production technology of high-quality solid wood furniture |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114872154A (en) * | 2022-04-20 | 2022-08-09 | 水木山海科技(佛山)有限责任公司 | Furfuryl-based wood modification liquid |
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