CN113715123A - Structure and processing method of solid wood product - Google Patents
Structure and processing method of solid wood product Download PDFInfo
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- CN113715123A CN113715123A CN202110512757.9A CN202110512757A CN113715123A CN 113715123 A CN113715123 A CN 113715123A CN 202110512757 A CN202110512757 A CN 202110512757A CN 113715123 A CN113715123 A CN 113715123A
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- 239000002023 wood Substances 0.000 title claims abstract description 96
- 239000007787 solid Substances 0.000 title claims abstract description 44
- 238000003672 processing method Methods 0.000 title claims abstract description 32
- 239000010410 layer Substances 0.000 claims abstract description 152
- 238000004519 manufacturing process Methods 0.000 claims abstract description 36
- 238000000034 method Methods 0.000 claims abstract description 26
- 239000012792 core layer Substances 0.000 claims abstract description 11
- 238000007731 hot pressing Methods 0.000 claims description 25
- 238000004026 adhesive bonding Methods 0.000 claims description 16
- 238000003763 carbonization Methods 0.000 claims description 16
- 238000005520 cutting process Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 1
- 238000002955 isolation Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 9
- 238000005336 cracking Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000004576 sand Substances 0.000 description 4
- 239000002344 surface layer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011121 hardwood Substances 0.000 description 2
- 238000007669 thermal treatment Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- 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
-
- 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
- B27D1/06—Manufacture of central layers; Form of central layers
-
- 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
-
- 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
- B27K1/00—Damping 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
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/10—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of wood
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/14—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood board or veneer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/14—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a face layer formed of separate pieces of material which are juxtaposed side-by-side
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/18—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention relates to the technical field of solid wood splicing structures, in particular to a structure and a processing method of a solid wood product, which comprises the following steps: the core plate layer is formed by splicing a plurality of equal-specification wood strips, the veneer layer is formed by splicing a plurality of equal-specification battens, the veneer layer is pressed on the face plate and the bottom plate surface of the core plate layer, and the core plate layer is thicker than the veneer layer. The processing method adopts a mode of carrying out the core layer manufacturing method and the veneer layer manufacturing method step by step, and finally adopts a synthetic processing method to combine and fix the core layer and the veneer layer. The invention has the beneficial effects that: the production process of the conventional solid wood jointed board is innovated, the quality risk problems of deformation, cracking and the like caused by wet expansion and dry shrinkage of the solid wood board are further solved, and the production process has the characteristics of simple process, simple and convenient processing, stable and controllable process parameters and high material utilization rate. The production cost is reduced, and the application range of the product is expanded.
Description
Technical Field
The invention relates to the technical field of solid wood splicing structures, in particular to a structure of a solid wood product and a processing method.
Background
One of the common wooden assembled boards is formed by arranging a tongue groove around a single rectangular batten and inlaying the tongue. One is that the bottom surface has a plurality of half strips of dovetail grooves with equal width transversely, and the half strips are formed by the dovetail pins in a cross connection mode. The method generally has certain requirements on the size of the board, has a narrow application range, and has the defects of deformation or cracks and the like caused by moisture expansion and drying shrinkage of the wood.
For a long time, the width of the solid wood floor is generally less than or equal to 90mm based on the reason of wood moisture and shrinkage and the outturn rate. The width is larger than 90mm, and the damp bottom plate is in a tile shape or arched and deformed. The restriction of outturn rate is more important, and under the condition of same length, tree species and grade, the plate with the width less than 90mm is 20-40% lower than the plate with the width more than 90mm, i.e. the narrower plate is cheaper. Meanwhile, in the actual application process, the quality risk of cracking and deformation also exists in the product of wide splicing and thick splicing of the solid wood. In recent years, an integrated board formed by hot pressing a plurality of solid wood blocks by using chemical adhesive is provided, and compared with a tenon-and-mortise connection structure jointed board, the integrated board relieves the problems of deformation, cracks and the like caused by wet expansion and dry shrinkage to a certain extent. However, this method requires a large or special dedicated apparatus and is costly.
In view of the above, it is desirable to design a structure and a processing method of a solid wood product, which innovate the production process of the conventional solid wood jointed board, further solve the quality risk problems of deformation, cracking and the like caused by wet expansion and dry shrinkage of the solid wood board, and have the characteristics of simple process, simple and convenient processing, stable and controllable process parameters, and high material utilization rate. The production cost is reduced, and the application range of the product is expanded.
Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a structure and a processing method of a solid wood product, which innovate the production process of the conventional solid wood jointed board, further solve the quality risk problems of deformation, cracking and the like caused by wet expansion and dry shrinkage of the solid wood board, and have the characteristics of simple process, simple and convenient processing, stable and controllable process parameters and high material utilization rate. The production cost is reduced, and the application range of the product is expanded.
In order to achieve the above object, the technical solution of the present invention is: a structure and a processing method of a solid wood product comprise the following steps: the decorative core comprises a core plate layer and a decorative surface layer, and is characterized in that the core plate layer is formed by splicing a plurality of wood strips with the same specification, the decorative surface layer is formed by splicing a plurality of strips with the same specification, the decorative surface layer is pressed on a panel and a bottom plate surface of the core plate layer, and the core plate layer is thicker than the decorative surface layer.
Further, the finishing layer is fixedly arranged on the panel and the bottom plate surface of the core plate layer in a mirror symmetry mode about the axis of the core plate layer.
Furthermore, the thickness of the core plate layer is controlled to be 3-6 times of that of the veneer layer, and first splicing seams between the battens in the veneer layer and second splicing seams between the battens in the core plate layer are arranged in a staggered mode at intervals.
Furthermore, the core layer material adopts a small-diameter or needle-leaved wood, and the facing layer material adopts a commercial wood with beautiful texture and color and high economic value.
Further, the processing method comprises the following steps: a core layer manufacturing method, a facing layer manufacturing method and a synthetic processing method;
further, the core board layer manufacturing method comprises the following steps:
a1: firstly, selecting core board layer sawn timber, and placing the core board layer sawn timber in a curing room for temperature and humidity adjustment;
a2: cutting the sawn timber subjected to temperature and humidity adjustment treatment in the step A1, and processing the sawn timber into the wood strips with uniform specifications by utilizing double-sided planing and thickness setting treatment and multi-blade sawing and width setting treatment;
a3: processing the wood strips processed into the uniform specification in the step A2, splicing the wood strips in parallel, combining and fixing two groups of wood strips into a whole by using a double-sided gluing mode, wherein the grain extending directions between the two groups of wood strips are different;
a4: carrying out hot-pressing shaping on the core plate layer formed by gluing the battens in the step A3 by adopting a high-frequency hot-pressing plate splicing machine;
a5: after the core layer is subjected to high-frequency hot-pressing plate splicing, the core layer is placed in a curing room for temperature and humidity adjustment, and the internal stress between the wood strips after plate splicing is slowly released;
a6: carrying out fixed-thickness sanding treatment on the core board layer subjected to temperature and humidity adjustment treatment in the step A5, and cleaning glue overflowing between the abutted seams on the surface of the core board layer;
a7: placing the core plate layers subjected to sanding treatment in the step A6 at equal intervals, stacking the core plate layers by using aluminum alloy parting strips, and sending the core plate layers into high-temperature wood treatment equipment for deep carbonization treatment;
a8: and C, placing the core plate layer subjected to deep carbonization treatment in the step A7 in a curing room for temperature and humidity adjustment for later use.
Further, the manufacturing method of the veneer layer comprises the following steps:
b1: selecting veneer layer sawn timber, placing the veneer layer sawn timber at equal intervals after conventional drying treatment, erecting the veneer layer sawn timber into piles by using aluminum alloy parting strips, fixing the piles by using binding tapes, and sending the piles into high-temperature wood treatment equipment for micro-carbonization treatment;
b2, conveying the sawn timber of the veneer layer subjected to the micro carbonization treatment in the step B1 into a curing room for temperature and humidity adjustment treatment;
b3: cutting the sawn timber of the veneer layer subjected to temperature and humidity adjustment treatment in the step B2, splicing the sawn timber by adopting a double-sided gluing mode to form the veneer layer, and putting the veneer layer into a thin plate high-frequency hot-pressing splicer for high-frequency hot-pressing splicing;
b4: conveying the veneer layer subjected to high-frequency hot-pressing splicing in the step B3 into a health-preserving room for health preservation;
b5: b4, performing fixed-thickness sanding treatment on the finish coat subjected to curing treatment in the step B, and cleaning glue overflowing between the abutted seams on the surface of the finish coat;
further, the synthetic processing method comprises the following steps:
and (3) cold-pressing the core layer manufactured by the core layer manufacturing method and the veneer layer manufactured by the veneer layer manufacturing method, conveying the whole plate subjected to cold pressing into a health preserving room for health preserving, and performing processing procedures such as size cutting, solid wood skin edge sealing, modeling, coating and the like on the whole plate after the health preserving is finished.
Has the advantages that:
according to the structure and the processing method of the solid wood product, the core plate layer is deeply carbonized, the highest temperature is controlled at 180 ℃, and the bending strength of wood can be guaranteed not to be affected; the finish coat is micro-carbonized, the color of the wood is slightly influenced, the nature of the color texture of the wood is kept, and the appearance value of the product is ensured; through high-temperature heat treatment, the water absorption rate and the volume expansion rate of the core layer and the facing layer are both greatly reduced, the dimensional stability of the product is effectively improved in a natural use environment, and the product quality is ensured; in the whole processing process, the temperature is adjusted and debugged in the whole process, so that the slow release of internal stress and the moisture absorption and analysis of wood are ensured, and the dimensional stability of the product is ensured; because the core plate layer can be made of wood with lower grade, the production cost is reduced, and the tolerance to defects is higher than that of the veneer layer. The invention renovates the production process of the conventional solid wood jointed board, further solves the quality risk problems of deformation, cracking and the like caused by wet expansion and dry shrinkage of the solid wood board, and has the characteristics of simple process, simple and convenient processing, stable and controllable process parameters and high material utilization rate. The production cost is reduced, and the application range of the product is expanded.
Drawings
FIG. 1 is an overall three-dimensional structure diagram of the structure and processing method of a solid wood product according to the present invention;
FIG. 2 is a general side view of the structure and processing method of a solid wood product according to the present invention;
FIG. 3 is a flow chart of a structure and a processing method of a solid wood product according to the present invention;
FIG. 4 is a schematic illustration of a wood strip splice for a solid wood product structure and method of manufacture according to the present invention;
FIG. 5 is a schematic view of a solid wood product structure and a method for manufacturing the same;
FIG. 6 is a table of design parameters of a high temperature heat treatment of a core plate layer for a structure and a processing method of a solid wood product according to the present invention;
FIG. 7 is a table of design parameters for high temperature heat treatment of a veneer layer for a structure and processing method of a solid wood product according to the present invention;
the labels in the figure are: 1-core plate layer, 2-veneer layer, 3-aluminum alloy parting strip, 11-wood strip, 12-second abutted seam, 21-lath, and 22-first abutted seam.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments disclosed herein are intended to be within the scope of the present invention.
As shown in the figure, the invention discloses a structure of a solid wood product and a processing method, comprising the following steps: the core plate layer 1 and the veneer layer 2 are characterized in that the core plate layer 1 is formed by splicing a plurality of strips 11 with the same specification, the veneer layer 2 is formed by splicing a plurality of strips 21 with the same specification, the veneer layer 2 is pressed on the panel and the bottom plate surface of the core plate layer 1, and the core plate layer 1 is thicker than the veneer layer 2.
Further, the finishing layer 2 is fixedly installed on the panel and the bottom plate surface of the core plate layer 1 in a mirror symmetry manner about the axis of the core plate layer 1.
Further, the thickness of the core board layer 1 is controlled to be 3-6 times of that of the veneer layer 2, and first seams 22 between the battens 21 in the veneer layer 2 and second seams 12 between the battens 11 in the core board layer 1 are arranged in a staggered mode at intervals.
Furthermore, the core board layer 1 is made of small-diameter wood or needle-leaf wood, and the veneer layer 2 is made of commercial wood with beautiful texture and color and high economic value.
Further, the processing method comprises the following steps: a core plate layer 1 manufacturing method, a veneer layer 2 manufacturing method and a synthetic processing method;
further, the manufacturing method of the core plate layer 1 comprises the following steps:
a1: firstly, selecting sawn timber of a core board layer 1, and placing the sawn timber of the core board layer 1 in a curing room for temperature and humidity adjustment;
a2: cutting the sawn timber subjected to temperature and humidity adjustment treatment in the step A1, and processing the sawn timber into the wood bars 11 with uniform specification by utilizing double-sided planing and thickness setting treatment and multi-blade sawing and width setting treatment;
a3: the wood strips 11 processed into the uniform specification in the step A2 are spliced in parallel, two groups of the wood strips 11 are combined and fixed into a whole in a double-sided gluing mode, and the grain extending directions between the two groups of the wood strips 11 are different;
a4: carrying out hot-pressing shaping on the core board layer 1 formed by gluing the battens in the step A3 by adopting a high-frequency hot-pressing board splicing machine;
a5: after the core board layer 1 is subjected to high-frequency hot-pressing and splicing, the core board layer 1 is placed in a curing room for temperature and humidity adjustment, and the internal stress between the wood strips 11 after splicing is ensured to be released slowly;
a6: carrying out fixed-thickness sanding treatment on the core board layer 1 subjected to temperature and humidity adjustment treatment in the step A5, and cleaning glue overflowing between the abutted seams on the surface of the core board layer 1;
a7: placing the core plate layers 1 subjected to sanding treatment in the step A6 at equal intervals, spacing and erecting the core plate layers 1 into a pile by using aluminum alloy spacing bars 3, and sending the core plate layers into high-temperature wood treatment equipment for deep carbonization treatment;
a8: and C, placing the core board layer 1 subjected to deep carbonization treatment in the step A7 in a curing room for temperature and humidity adjustment for later use.
Further, the manufacturing method of the veneer layer 2 comprises the following steps:
b1: selecting sawn timber of the finish coat 2, placing the sawn timber of the finish coat 2 at equal intervals after conventional drying treatment, erecting the sawn timber of the finish coat 2 into a pile by utilizing an aluminum alloy spacing strip 3, fixing the sawn timber by using a binding belt, and sending the sawn timber into high-temperature wood treatment equipment for micro-carbonization treatment;
b2, conveying the sawn timber of the finishing layer 2 subjected to micro carbonization treatment in the step B1 into a curing room for temperature and humidity adjustment treatment;
b3: cutting the sawn timber of the facing layer 2 subjected to temperature and humidity adjustment treatment in the step B2, splicing the sawn timber by adopting a double-sided gluing mode to form the facing layer 2, and putting the facing layer 2 into a thin plate high-frequency hot-pressing splicer for high-frequency hot-pressing splicing;
b4: conveying the veneer layer 2 subjected to high-frequency hot-pressing splicing in the step B3 into a curing room for curing;
b5: performing fixed-thickness sanding treatment on the finish coat 2 subjected to curing treatment in the step B4, and simultaneously cleaning glue overflowing between the abutted seams on the surface of the finish coat 2;
further, the synthetic processing method comprises the following steps:
the core board layer 1 manufactured by the core board layer 1 manufacturing method and the veneer layer 2 manufactured by the veneer layer 2 manufacturing method are subjected to cold pressing, the whole board after the cold pressing is conveyed into a curing room for curing, and after the curing is completed, the whole board is subjected to processing procedures such as size cutting, solid wood skin edge sealing, modeling and coating.
Example 1
The manufacturing method of the core plate layer 1 comprises the steps of firstly selecting core plate layer 1 sawn timber, placing the core plate layer 1 sawn timber in a curing room for temperature and humidity adjustment, wherein the temperature of a dry ball in the curing room is controlled to be 25 +/-2 ℃, the relative humidity is controlled to be 60 +/-5%, the water content of the core plate layer 1 sawn timber is controlled to be within the range of 10-12%, the water content difference between the same batch of core plate sawn timber is not larger than 2 ℃, and the curing time of placing the core plate layer 1 sawn timber in the curing room is not shorter than 7 days under the control condition. Cutting the core plate layer 1 sawn material, and processing the core plate layer 1 sawn material into a length-width ratio of 1.5-2: 1, gauge bar 11. The gluing is carried out in the plate splicing process of the wood strips 11 in a double-sided gluing mode, the gluing amount is controlled to be 150 g/square meter per side, and the EPI bi-component plate splicing glue is particularly selected to complete the gluing of the wood strips 11.
The glued and bonded wood bars 11 form a whole-surface jointed board, and the jointed board is placed into a high-frequency hot-pressing board jointing machine for high-frequency hot pressing, wherein if the wood bars 11 are made of soft woods such as needle leaves, the pressurizing pressure is controlled to be 6-10 Mpa; if the wood strip 11 is made of hardwood such as hardwood, the pressure is controlled at 10-15 MPa.
And putting the whole jointed board subjected to high-frequency hot-pressing into a curing room for temperature and humidity adjustment, wherein the temperature of the dry balls is controlled to be 25 +/-2 ℃, the relative humidity is controlled to be 60 +/-5%, and the temperature and humidity of the whole jointed board are adjusted for 8-12h to ensure the slow release of internal stress after jointing.
And then placing the whole spliced board on a sand rack for sanding the front surface and the bottom surface with fixed thickness, wherein the sanding thickness is controlled to be 0.5 +/-0.1 mm, and the sand rack is arranged into sanding belts of front 120#, middle 150# and rear 180 #.
The whole jointed boards with the fixed-thickness sanding are erected into a pile at equal intervals by using aluminum alloy parting strips 3 or stainless steel parting strips, wherein the distance between the parting strips is controlled to be 100 +/-10 mm, and the interval between the whole jointed boards is controlled to be 400-500 mm. Putting the whole spliced plates arranged into a pile into high-temperature heat treatment equipment for deep carbonization treatment, wherein the parameters of the high-temperature heat treatment are designed as shown in table 1.
And finally, placing the carbonized core plate layer 1 plate in a curing room for temperature regulation and debugging treatment and curing for later use, wherein the temperature of a dry ball is controlled to be 25 +/-2 ℃, and the relative humidity is controlled to be 50 +/-5%.
Example 2
The manufacturing method of the veneer layer 2 comprises the steps of selecting the veneer layer 2 sawn timber after conventional drying treatment, arranging the veneer layer 2 sawn timber into piles at equal intervals by utilizing alloy parting strips or stainless steel parting strips, wherein the distance between the alloy parting strips and the stainless steel parting strips is controlled to be 100 +/-10 mm, the interval between the veneer layer 2 sawn timber is controlled to be 400 plus or minus 500mm, and the sawn timber is firmly fixed by a binding belt. And (3) piling the sawn timber of the finish coat 2 which is bound and fixed into high-temperature thermal treatment equipment for micro-carbonization treatment, and strengthening the observation to avoid the over-deep color of the timber in the whole thermal treatment process, wherein the micro-carbonization treatment parameters are designed as shown in table 2.
And conveying the sawn timber of the finish coat 2 subjected to micro-carbonization treatment into a curing room for temperature adjustment and debugging treatment, wherein the temperature of a dry ball is controlled to be 25 +/-2 ℃, the relative humidity is controlled to be 50 +/-5%, and the curing time is not less than 7 days.
Cutting the sawn timber of the decorative layer 2 after temperature and humidity adjustment treatment to form the lath 21 with the same specification, splicing and combining the lath 21 by adopting a double-sided gluing mode, wherein the gluing amount is controlled to be 150 g/square meter per side, and the gluing of the lath 21 is completed by particularly selecting EPI bi-component plate glue.
Combining the battens 21 to form a veneer layer 2, putting the veneer layer 2 into a thin-plate high-frequency hot-pressing splicing machine for high-frequency hot-pressing splicing treatment, and after the high-frequency hot-pressing splicing treatment is finished, sending the veneer layer 2 into a health preserving room for health preserving treatment, wherein the temperature of dry balls is controlled to be 25 +/-2 ℃, the relative humidity is controlled to be 50 +/-5%, and the health preserving time is controlled to be more than 4 hours.
And then the finish coat 2 is placed on a sand rack for sanding the front surface and the bottom surface with fixed thickness, and the sanding thickness is controlled to be 0.5 +/-0.1 mm, wherein the sand rack is arranged into sanding belts of front 120#, middle 150# and back 180 #.
Example 3
Placing the core board layer 1 and the veneer layer 2 prepared in the embodiments 1 and 2 into a cold press for cold pressing, wherein the pressing time is more than 4h, and after the cold pressing is completed, placing the whole board into a derived house for curing, wherein the dry bulb temperature is controlled to be 25 +/-2 ℃, the relative humidity is controlled to be 50 +/-5%, and the curing time is controlled to be at least more than 24 h. And finally, according to the design requirements of the product, performing processing such as size cutting, edge sealing of the solid wood skin, molding, coating and the like on the board.
According to the structure and the processing method of the solid wood product, the core plate layer 1 is deeply carbonized, the highest temperature is controlled at 180 ℃, and the bending strength of wood can be ensured not to be influenced; the finish coat 2 is slightly carbonized, so that the influence on the color of the wood is small, the nature of the color texture of the wood is kept, and the appearance value of the product is ensured; through high-temperature heat treatment, the water absorption rate and the volume expansion rate of the core board layer 1 and the facing layer 2 are both greatly reduced, the dimensional stability of the product is effectively improved in a natural use environment, and the product quality is ensured; in the whole processing process, the temperature is adjusted and debugged in the whole process, so that the slow release of internal stress and the moisture absorption and analysis of wood are ensured, and the dimensional stability of the product is ensured; because the core board layer 1 can be made of wood with lower grade, the production cost is reduced, and the tolerance to defects is higher than that of the veneer layer 2. The invention renovates the production process of the conventional solid wood splicing plate, further solves the quality risk problems of deformation, cracking and the like caused by wet expansion and dry shrinkage of the solid wood plate, and has the characteristics of simple process, simple and convenient processing, stable and controllable process parameters and high material utilization rate. The production cost is reduced, and the application range of the product is expanded.
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. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims shall not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.
Claims (8)
1. A structure and a processing method of a solid wood product comprise the following steps: core board layer (1) and finish coat (2), its characterized in that, core board layer (1) is formed by the concatenation of the strip wood (11) of a plurality of specifications such as, finish coat (2) is formed by the concatenation of the slat (21) of a plurality of specifications such as, finish coat (2) pressfitting is in on the panel and the bottom plate face of core board layer (1), core board layer (1) is thicker than finish coat (2).
2. The structure and the processing method of a solid wood product according to claim 1, characterized in that the veneer layer (2) is fixedly installed on the face plate and the bottom plate of the core plate layer (1) in a mirror symmetry about the axis of the core plate layer (1).
3. The structure and the processing method of the solid wood product according to the claim 2, characterized in that the thickness of the core board layer (1) is controlled to be 3-6 times of the veneer layer (2), and the first seams (22) between the battens (21) in the veneer layer (2) and the second seams (12) between the battens (11) in the core board layer (1) are staggered at intervals of 12.
4. The structure and the processing method of the solid wood product as claimed in claim 3, wherein the core board layer (1) is made of a small-diameter wood or a needle-leaved wood, and the veneer layer (2) is made of a commercial wood with beautiful texture and color and high economic value.
5. The structure and processing method of solid wood products according to claim 1, wherein the processing method comprises the following steps: a core layer (1) manufacturing method, a veneer layer (2) manufacturing method and a synthetic processing method.
6. The structure and the processing method of a solid wood product according to claim 5, characterized in that the core layer (1) manufacturing method comprises the following steps:
a1: firstly, selecting sawn timber of a core board layer (1), and placing the sawn timber of the core board layer (1) in a curing room for temperature and humidity adjustment;
a2: cutting the sawn timber subjected to temperature and humidity adjustment treatment in the step A1, and processing the sawn timber into the wood bars (11) with uniform specification by utilizing double-sided planing and thickness setting treatment and multi-blade sawing and width setting treatment;
a3: the wood bars (11) processed into uniform specifications in the step A2 are spliced in parallel, two groups of wood bars (11) are combined and fixed into a whole in a double-sided gluing mode, and the grain extending directions between the two groups of wood bars (11) are different;
a4: carrying out hot-pressing shaping on the core board layer (1) formed by gluing the battens in the step A3 by adopting a high-frequency hot-pressing board splicing machine;
a5: after the core board layer (1) is subjected to high-frequency hot-pressing and splicing, the core board layer (1) is placed in a curing room for temperature and humidity adjustment, and the internal stress between the wood strips (11) after splicing is ensured to be released slowly;
a6: carrying out fixed-thickness sanding treatment on the core board layer (1) subjected to temperature and humidity adjustment treatment in the step A5, and cleaning glue overflowing between the abutted seams on the surface of the core board layer (1);
a7: placing the core plate layers (1) subjected to sanding treatment in the step A6 at equal intervals, stacking the core plate layers (1) in an isolation frame by using aluminum alloy parting beads (3), and sending the core plate layers into high-temperature wood treatment equipment for deep carbonization treatment;
a8: and C, placing the core board layer (1) subjected to deep carbonization treatment in the step A7 in a curing room for temperature and humidity adjustment for later use.
7. The structure and the processing method of a solid wood product according to claim 6, characterized in that the finishing layer (2) is made by a method comprising the following steps:
b1: selecting sawn timber of the veneer layer (2), placing the sawn timber of the veneer layer (2) at equal intervals after conventional drying treatment, erecting the sawn timber of the veneer layer (2) into piles by utilizing aluminum alloy parting strips (3), fixing the piles by using binding tapes, and sending the piles into high-temperature wood treatment equipment for micro-carbonization treatment;
b2, conveying the sawn timber of the finishing layer (2) subjected to micro-carbonization treatment in the step B1 into a curing room for temperature and humidity adjustment treatment;
b3: cutting sawn timber of the veneer layer (2) subjected to temperature and humidity adjustment treatment in the step B2, splicing the sawn timber by adopting a double-sided gluing mode to form the veneer layer (2), and putting the veneer layer (2) into a thin plate high-frequency hot-pressing splicing machine for high-frequency hot-pressing splicing;
b4: conveying the veneer layer (2) subjected to high-frequency hot-pressing splicing in the step B3 into a curing room for curing;
b5: and D, performing fixed-thickness sanding treatment on the finish coat (2) subjected to curing treatment in the step B4, and simultaneously cleaning glue overflowing between the abutted seams on the surface of the finish coat (2).
8. The structure and process of a solid wood product according to claim 7, wherein the synthetic process comprises the steps of:
the core board layer (1) manufactured by the manufacturing method of the core board layer (1) and the veneer layer (2) manufactured by the manufacturing method of the veneer layer (2) are subjected to cold pressing, the whole board after the cold pressing is conveyed into a curing room for curing, and after the curing is completed, the whole board is subjected to processing procedures such as size cutting, solid wood skin edge sealing, molding and coating.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1192785A (en) * | 1966-06-03 | 1970-05-20 | Karlholms Ab | A Tool for Woodworking |
| CN101104282A (en) * | 2007-07-02 | 2008-01-16 | 南京林业大学 | Carbonization wood finger-joint glued-laminated timber and its manufacturing method |
| CN102463606A (en) * | 2010-11-05 | 2012-05-23 | 中国林业科学研究院木材工业研究所 | Method for producing laminated woods with small-diameter logs and produced laminated wood |
| CN102733579A (en) * | 2012-07-11 | 2012-10-17 | 薜继武 | Composite carbon-based floor and production method thereof |
| CN102990730A (en) * | 2012-12-11 | 2013-03-27 | 南京工业大学 | Glue laminated wood member with controllable dimensional stability and preparation method thereof |
| CN104088436A (en) * | 2014-07-14 | 2014-10-08 | 大亚(江苏)地板有限公司 | Carbonized solid wood composite floor and production technology thereof |
| CN107486915A (en) * | 2017-08-03 | 2017-12-19 | 浙江云峰莫干山地板有限公司 | A kind of production technology of two layer solid wood floors of floor heating |
| CN112692938A (en) * | 2020-12-25 | 2021-04-23 | 广西大学 | Preparation method of fir three-layer composite floor base material |
-
2021
- 2021-05-11 CN CN202110512757.9A patent/CN113715123A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1192785A (en) * | 1966-06-03 | 1970-05-20 | Karlholms Ab | A Tool for Woodworking |
| CN101104282A (en) * | 2007-07-02 | 2008-01-16 | 南京林业大学 | Carbonization wood finger-joint glued-laminated timber and its manufacturing method |
| CN102463606A (en) * | 2010-11-05 | 2012-05-23 | 中国林业科学研究院木材工业研究所 | Method for producing laminated woods with small-diameter logs and produced laminated wood |
| CN102733579A (en) * | 2012-07-11 | 2012-10-17 | 薜继武 | Composite carbon-based floor and production method thereof |
| CN102990730A (en) * | 2012-12-11 | 2013-03-27 | 南京工业大学 | Glue laminated wood member with controllable dimensional stability and preparation method thereof |
| CN104088436A (en) * | 2014-07-14 | 2014-10-08 | 大亚(江苏)地板有限公司 | Carbonized solid wood composite floor and production technology thereof |
| CN107486915A (en) * | 2017-08-03 | 2017-12-19 | 浙江云峰莫干山地板有限公司 | A kind of production technology of two layer solid wood floors of floor heating |
| CN112692938A (en) * | 2020-12-25 | 2021-04-23 | 广西大学 | Preparation method of fir three-layer composite floor base material |
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