CN112008814A - Large-size ultra-flat solid wood multilayer board core and production method of multilayer board - Google Patents
Large-size ultra-flat solid wood multilayer board core and production method of multilayer board Download PDFInfo
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- CN112008814A CN112008814A CN202010864071.1A CN202010864071A CN112008814A CN 112008814 A CN112008814 A CN 112008814A CN 202010864071 A CN202010864071 A CN 202010864071A CN 112008814 A CN112008814 A CN 112008814A
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27F—DOVETAILED WORK; TENONS; SLOTTING MACHINES FOR WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES
- B27F1/00—Dovetailed work; Tenons; Making tongues or grooves; Groove- and- tongue jointed work; Finger- joints
- B27F1/16—Making finger joints, i.e. joints having tapers in the opposite direction to those of dovetail joints
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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
- 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
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
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- 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
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1825—Handling of layers or the laminate characterised by the control or constructional features of devices for tensioning, stretching or registration
- B32B38/1833—Positioning, e.g. registration or centering
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
Abstract
The invention relates to a production method of a large-size ultra-flat solid wood multilayer board core, which comprises the following steps: superpose in proper order from bottom to top earlier the polylith individual layer board and press into the multiply wood, then cut into one-level multilayer lath with the multiply wood, then cut out the tenon in the one end of the length direction of every one-level multilayer lath, the other end cut out with tenon shape size assorted tongue-and-groove, glue coating on tenon and tongue-and-groove afterwards, form second grade multilayer lath with many one-level multilayer laths along length direction end to end joggle in proper order, later at the width direction both sides glue coating of each second grade multilayer lath, splice in proper order along width direction with polylith second grade multilayer lath and form jumbo size super flat solid wood multilayer plate core after that. Draw the multilayer board core part by reference to short material non-deformable's advantage, cut the segmentation to the position that warp easily, carry out the restructuring through pointing the mode, obtain the outward appearance effect of similar pure wood thick core board when realizing that super thick solid wood panel is indeformable.
Description
Technical Field
The invention relates to a large-size ultra-flat solid wood multilayer board core and a production method of a multilayer board.
Background
At present on the market wood class cabinet door plate structure has: 1. the traditional multilayer structure (the thickness of 22mm is generally 13 layers) can only support the door plate with the height of 1800mm and the width of less than 600mm, and the door plate is easy to warp and deform after the size is exceeded; 2. the traditional finger joint plate is formed by finger joint of narrow solid wood materials, is generally made of rubber wood in the market at present, is limited by raw material resources, has long supply period, and still has the problem of bending deformation after the height of more than 1800 mm; 3. novel aluminum-wood structural door is aluminium honeycomb for the middle plate core, reaches all around and the surface is the wood material, and this door plant dimensional stability is high, but manufacturing cost is high, and manufacturing efficiency is slow simultaneously, need be according to the size customization structure of every door plant, and manual work volume is big.
Disclosure of Invention
The invention provides a large-size ultra-flat solid wood multilayer board core and a production method of a multilayer board.
The invention is realized by the following technical scheme:
a production method of a large-size ultra-flat solid wood multilayer board core comprises the following steps:
firstly, a plurality of single-layer plates are sequentially overlapped from bottom to top and pressed into a multilayer plate (the number of layers is preferably an odd number of layers, so that the multilayer plate is not easy to warp and deform), then the multilayer plate is cut into a first-level multilayer lath with the width of 40-60mm and the length of 400-600 mm,
then cutting a tenon at one end of each primary multilayer lath in the length direction, cutting a mortise matched with the shape and the size of the tenon at the other end of each primary multilayer lath to ensure that two adjacent primary multilayer laths can be mutually joggled end to end in the length direction,
then glue is coated on the tenon and the mortise, then a plurality of first-level multilayer lathes are joggled in sequence along the length direction at the head end and the tail end to form a second-level multilayer lathe,
and then, gluing the two sides of each secondary multilayer lath in the width direction, sequentially splicing the secondary multilayer laths along the width direction to form a large-size ultra-flat solid wood multilayer plate core, and aligning each secondary multilayer lath by taking one side edge of the secondary multilayer lath positioned at the outermost side in the width direction as a reference during splicing.
Furthermore, the number of the single-layer boards is odd, and the extending directions of the wood fibers of the two adjacent single-layer boards are mutually vertical.
Furthermore, a vinyl ester adhesive with the adhesive viscosity of 30000-50000 Pa.s is adopted during gluing.
Further, when the odd number of single-layer plates are pressed into a multi-layer plate, cold pressing is carried out for 18-22 minutes under the pressure of 12-14 MPa and in a room temperature environment, and then hot pressing is carried out for 60-80s/mm under the temperature of 105-115 ℃ and the pressure of 12-14 MPa.
Further, after the large-size ultra-flat solid wood multilayer board core is spliced, when a gap larger than or equal to 3mm exists between two adjacent secondary multilayer boards, the wood strips with the thickness equal to that of the secondary multilayer boards are cut into shapes with the size equal to that of the gap, and the shapes are filled in the gap for repairing after glue is applied; when the peripheral edge is missing, the strip is also repaired with a wood strip having a thickness equal to the thickness of the secondary multilayer panel.
Furthermore, after a large-size ultra-flat solid wood multilayer board core is spliced, a gap smaller than 3mm, or a burr and groove mark or a hole with a width smaller than 5mm between two adjacent secondary multilayer boards is repaired by using the milk white glue.
Further, the length of the spliced large-size ultra-flat solid wood multilayer board core is 2500 + 3110mm, and the width is 1245 + 1255 mm.
A large-size ultra-flat solid wood multilayer board core is prepared by the method.
The large-size ultra-flat solid wood multilayer board consists of a large-size ultra-flat solid wood multilayer board core and two groups of panel layers which are glued on the top surface and the bottom surface of the large-size ultra-flat solid wood multilayer board core.
Further, the number of layers of each group of panel layers is 2 or 3, and the extending direction of the wood fiber of the innermost layer of each group of panel layers is perpendicular to the extending direction of the wood fiber of the single-layer board positioned at the outermost layer of the large-size ultra-flat solid wood multi-layer board core.
The extending directions of the wood fibers of the panel of the two groups of panel layers positioned at the outermost layer are parallel to each other.
The scheme can eliminate the internal stress of the single plates of the multilayer plate and ensure that the final plate is stable and not easy to deform; the technical wood can be obtained by selecting a slicing process according to needs, the veneer is uniform in thickness and free of material defects, and the phenomena of separation and overlapping are avoided; the produced plate has uniform thickness and good flatness. After the laminated board is pressed, cutting and segmenting are carried out at the position easy to deform, and structural reorganization is carried out in a finger joint mode, so that the appearance effect similar to a pure solid wood thick core board can be obtained while the super-thick solid wood board is not deformed.
Compared with the prior art, the invention has the following beneficial effects: draw the multilayer board core part by reference to short material non-deformable's advantage, cut the segmentation to the position that warp easily, carry out the restructuring through pointing the mode, obtain the outward appearance effect of similar pure wood thick core board when realizing that super thick solid wood panel is indeformable.
The multilayer board is not only beautiful, but also can increase the strength after the surface layer is glued outside the non-deformable board core of the super-thick solid wood board.
Drawings
FIG. 1 is a schematic view of the construction of a one-level multi-layer panel.
FIG. 2 is a schematic structural view of a two-level multilayer slat.
Detailed Description
The invention is further illustrated below with reference to specific examples:
example 1
A production method of a large-size ultra-flat solid wood multilayer board core comprises the following steps:
firstly, pressing odd single-layer boards into a multilayer board, then cutting the multilayer board into a first-level multilayer lath with the width of 60mm and the length of 400-600 mm,
then cutting a tenon at one end of each primary multilayer lath in the length direction, cutting a mortise matched with the shape and the size of the tenon at the other end of each primary multilayer lath to ensure that two adjacent primary multilayer laths can be mutually joggled end to end in the length direction,
then glue is coated on the tenon and the mortise, then a plurality of first-level multilayer lathes are joggled in sequence along the length direction at the head end and the tail end to form a second-level multilayer lathe,
and then, gluing the two sides of each secondary multilayer lath in the width direction, sequentially splicing the secondary multilayer laths along the width direction to form a large-size ultra-flat solid wood multilayer plate core, and aligning each secondary multilayer lath by taking one side edge of the secondary multilayer lath positioned at the outermost side in the width direction as a reference during splicing.
The tenon and the mortise of the embodiment are shown in fig. 1, the tenon of the embodiment is a plurality of protrusions extending outwards, and the mortise is a plurality of grooves matched with the protrusions.
The extending directions of the wood fibers of two adjacent single-layer plates are mutually vertical.
In the embodiment, the aldehyde-free glue produced by three-tree paint limited company is a two-component aldehyde-free glue SK-WQY1A and SK-WQY1B, and the two components are in a mass ratio of 1: 1, mixing and stirring the two kinds of glue for 13 min. When gluing, the sum of the gluing amount of two adjacent secondary multilayer battens which are clamped to form a board core finished product with the width of 1250mm and the length of 2500mm is more than or equal to 1.3 kg/piece.
When the odd number of single-layer boards are pressed into a multi-layer board, the multi-layer board is cold-pressed for 20 minutes under the environment that the temperature is 13MPa and the room temperature, and then hot-pressed for 70s/mm under the conditions that the temperature is 110 ℃ and the pressure is 13 MPa.
After a large-size ultra-flat solid wood multilayer board core is spliced, when a gap larger than 3mm exists between two adjacent secondary multilayer battens, battens with the thickness equal to that of the secondary multilayer battens need to be repaired at the gap; when the peripheral edge is missing, it is also necessary to repair it with a wood strip of the same thickness as the secondary multilayer strip.
After a large-size ultra-flat solid wood multilayer board core is spliced, gaps, burr and groove marks and holes with the width less than 5mm between two adjacent secondary multilayer boards are repaired by using the milk white glue.
And placing the putty-filled plate in a display area for display for 3 days.
The length of the large-size ultra-flat solid wood multilayer board core is 3110mm, and the width of the large-size ultra-flat solid wood multilayer board core is 1250 mm.
A large-size ultra-flat solid wood multilayer board core is prepared by the method.
A large-size ultra-flat solid wood multilayer board comprises a large-size ultra-flat solid wood multilayer board core and panel layers glued to the outside of two sides of the large-size ultra-flat solid wood multilayer board core in the thickness direction.
The number of the panel layers which are externally glued on each side in the thickness direction of the large-size ultra-flat solid wood multilayer board core is 3, the extending direction of wood fibers of the innermost layer of the panel layers is perpendicular to the extending direction of wood fibers of a single-layer board of the outermost layer of the multilayer board core, and the extending directions of wood fibers of the outermost layer of the panel layers are parallel to each other.
The panel layer of the multilayer board of the embodiment is a 2-grade formaldehyde-free technical wood layer with the thickness of 1.7mm, a 2-grade formaldehyde-free technical wood layer with the thickness of 0.7mm and a solid wood surface skin layer (or an encrypted technical wood) with the thickness of 0.3mm in sequence from inside to outside. The 2-grade aldehyde-free technical wood can be prepared by using Pinus radiata produced in New Zealand. The solid wood surface skin with the thickness of 0.3mm adopts a cinnamomum japonicum flower shell grade single plate with the thickness of 0.3mm through rotary cutting (also can adopt a peach blossom core shell grade single plate with the thickness of 0.3mm or an encrypted super-grade technical wood made of poplar single plates with the thickness of 0.8 mm). The technical wood has the advantages that: eliminating the internal stress of the veneer, and ensuring the precondition that the final plate is stable and not easy to deform; secondly, the technical wood is obtained by adopting a slicing process, the veneer is uniform in thickness and free of material defects, and the phenomena of gap and overlapping do not exist; and the produced plate has uniform thickness and good flatness.
The board core of this embodiment has 5 layers, and every layer has the single layer board that the one-level veneer of radiata pine that 3.0mm is thick, has the multilayer board core that 13.5mm is thick after having pressed, and width is 60mm when tailorring, and length is 400 ~ 600 mm's one-level multilayer lath, then through the concatenation, make putty, sand light grow up to 2500mm, wide to 1250mm, thick multilayer board core of 12.8 mm.
The price of the radiata pine is lower at the present stage, the radiata pine is preferably used in turn, and poplar can also be used.
In the embodiment, the glue coating amount between one side surface of the board core and the 2-grade formaldehyde-free technical wood with the thickness of 1.7mm is 1.1 kg/piece; the glue coating amount between the 2-grade formaldehyde-free technical wood with the thickness of 1.7mm and the 2-grade formaldehyde-free technical wood with the thickness of 0.7mm is 1.0 kg/piece; the glue coating amount between the 2-grade formaldehyde-free technical wood with the thickness of 0.7mm and the solid wood surface skin with the thickness of 0.3mm is 0.8 kg/piece. The gluing amount generally has no upper limit, but the deviation of the gluing amount is not more than 10 percent in order to ensure the product cost.
When the panel layer is pressed outside the core plate, the panel layer is pressed for 1.2 minutes/mm (pressure maintaining 1 minute/mm, air release 0.2 minutes/mm) at the temperature of 120 +/-2 ℃ under the pressure of 12MPa
And (5) after the putty-coated plate is placed in a display area for display for 3 days, sanding is carried out. The outer surface of the board core of the embodiment is sanded by using an 80-mesh abrasive belt, the 2-grade formaldehyde-free technical wood layer with the thickness of 1.7mm and the 2-grade formaldehyde-free technical wood layer with the thickness of 0.7mm are both sanded by using a 100-mesh abrasive belt, and the solid wood surface skin layer with the thickness of 0.3mm on the outermost layer is sanded by using a 150-mesh abrasive belt firstly and then sanded by using a 180-mesh abrasive belt.
Example 2
The width of the primary multilayer lath is 40mm, the length is 400-600 mm,
in the embodiment, the aldehyde-free glue produced by three-tree paint limited company is a two-component aldehyde-free glue SK-WQY1A and SK-WQY1B, and the mass ratio of the two components is 0.8: 1, mixing and stirring the two glues for 18 min. When gluing, the sum of the gluing amount of two adjacent secondary multilayer battens which are clamped to form a board core finished product with the width of 1250mm and the length of 2500mm is more than or equal to 1.3 kg/piece.
When the odd number of single-layer boards are pressed into a multi-layer board, the multi-layer board is cold-pressed for 22 minutes under the environment that the temperature is room temperature under 12MPa, and then hot-pressed for 80s/mm under the conditions that the temperature is 105 ℃ and the pressure is 12 MPa.
After a large-size ultra-flat solid wood multilayer board core is spliced, when a gap larger than 3mm exists between two adjacent secondary multilayer battens, battens with the thickness equal to that of the secondary multilayer battens need to be repaired at the gap; when the peripheral edge is missing, it is also necessary to repair it with a wood strip of the same thickness as the secondary multilayer strip.
After a large-size ultra-flat solid wood multilayer board core is spliced, gaps, burr and groove marks and holes with the width less than 5mm between two adjacent secondary multilayer boards are repaired by using the milk white glue.
And placing the putty-filled plate in a display area for display for 3 days.
The length of the large-size ultra-flat solid wood multilayer board core is 3110mm, and the width of the large-size ultra-flat solid wood multilayer board core is 1255 mm.
The number of the panel layers which are externally glued on each side in the thickness direction of the large-size ultra-flat solid wood multilayer board core is 3, the extending direction of wood fibers of the innermost layer of the panel layers is perpendicular to the extending direction of wood fibers of a single-layer board of the outermost layer of the multilayer board core, and the extending directions of wood fibers of the outermost layer of the panel layers are parallel to each other.
Example 3
The width of the primary multilayer lath is 50mm, the length is 400-600 mm,
in the embodiment, the aldehyde-free glue produced by three-tree paint limited company is a two-component aldehyde-free glue SK-WQY1A and SK-WQY1B, and the mass ratio of the two components is 1.2: 1, mixing and stirring the two glues for 15 min. When gluing, the sum of the gluing amount of two adjacent secondary multilayer battens which are clamped to form a board core finished product with the width of 1250mm and the length of 2500mm is more than or equal to 1.3 kg/piece.
When the odd number single-layer plates are pressed into a multilayer plate, the multilayer plate is cold-pressed for 18 minutes under the environment that the temperature is 14MPa and the room temperature, and then hot-pressed for 60s/mm under the conditions that the temperature is 115 ℃ and the pressure is 14 MPa.
After a large-size ultra-flat solid wood multilayer board core is spliced, when a gap larger than 3mm exists between two adjacent secondary multilayer battens, battens with the thickness equal to that of the secondary multilayer battens need to be repaired at the gap; when the peripheral edge is missing, it is also necessary to repair it with a wood strip of the same thickness as the secondary multilayer strip.
After a large-size ultra-flat solid wood multilayer board core is spliced, gaps, burr and groove marks and holes with the width less than 5mm between two adjacent secondary multilayer boards are repaired by using the milk white glue.
And placing the putty-filled plate in a display area for display for 4 days.
The length of the large-size ultra-flat solid wood multilayer board core is 2500mm, and the width of the large-size ultra-flat solid wood multilayer board core is 1245 mm.
The number of the panel layers which are externally glued on each side in the thickness direction of the large-size ultra-flat solid wood multilayer board core is 3, the extending direction of wood fibers of the innermost layer of the panel layers is perpendicular to the extending direction of wood fibers of a single-layer board of the outermost layer of the multilayer board core, and the extending directions of wood fibers of the outermost layer of the panel layers are parallel to each other.
The required equipment, raw materials and equipment information of this embodiment:
buying the economic fast growing wood middle plate: rotary-cut factory for Jiangsu Houzhou official lake
Length 1300mm (for splicing horizontal stripe single-layer veneer)
2600mm (for splicing vertical stripe single-layer single-board)
The width is random, and the thickness is as required
A glue spreader: linyi construction machinery plant
Arranging boards and paving lines: lin Yixinnuo mechanical plant
A cold press: 1200 ton or 800 ton of near-Yiyu mechanical plant
Hot press: new Tianli, 800 tons
Slicing machine: peony river woodworking machinery factory (straight grain), Qingdao woodworking machinery factory (horizontal grain)
A sanding machine: power plant
A dryer: 3-layer drum dryer of Changzhou drying equipment factory
Milling and tenoning machine: guangdong Linde
Finger jointing machine: guangdong Linde
Joinery board splicing machine: guangdong Linde
No aldehyde glue: three-Tree paint GmbH SK-WQY1A and SK-WQY1B
The board core prepared by the embodiment is large in size, not easy to deform and twist, high in production efficiency and wide in adaptability.
The results of the test of the multi-layer board finished product prepared in this example were obtained according to the methods in GB/T18103-.
Claims (10)
1. A production method of a large-size ultra-flat solid wood multilayer board core is characterized by comprising the following steps: the method comprises the following steps:
firstly, a plurality of single-layer plates are sequentially overlapped from bottom to top and pressed into a multilayer plate, then the multilayer plate is cut into a first-level multilayer lath with the width of 40-60mm and the length of 400-600 mm,
then cutting a tenon at one end of each primary multilayer lath in the length direction, cutting a mortise matched with the shape and the size of the tenon at the other end of each primary multilayer lath to ensure that two adjacent primary multilayer laths can be mutually joggled end to end in the length direction,
then glue is coated on the tenon and the mortise, then a plurality of first-level multilayer lathes are joggled in sequence along the length direction at the head end and the tail end to form a second-level multilayer lathe,
and then, gluing the two sides of each secondary multilayer lath in the width direction, sequentially splicing the secondary multilayer laths along the width direction to form a large-size ultra-flat solid wood multilayer plate core, and aligning each secondary multilayer lath by taking one side edge of the secondary multilayer lath positioned at the outermost side in the width direction as a reference during splicing.
2. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: the number of the single-layer boards is odd, and the extending directions of the wood fibers of two vertically adjacent single-layer boards are mutually vertical.
3. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: and a vinyl ester adhesive with the adhesive viscosity of 30000-50000 Pa.s is adopted during gluing.
4. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: when the odd number of single-layer plates are pressed into a multi-layer plate, cold pressing is carried out for 18-22 minutes under the pressure of 12-14 MPa and in a room temperature environment, and then hot pressing is carried out for 60-80s/mm under the temperature of 105-115 ℃ and the pressure of 12-14 MPa.
5. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: after a large-size ultra-flat solid wood multilayer board core is spliced, when a gap larger than or equal to 3mm exists between two adjacent secondary multilayer battens, cutting battens with the thickness equal to that of the secondary multilayer battens into shapes with the shape and the size equal to that of the gap, gluing, and filling the gaps with glue for repairing; when the peripheral edge is missing, the strip is also repaired with a wood strip having a thickness equal to the thickness of the secondary multilayer panel.
6. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: after a large-size ultra-flat solid wood multilayer board core is spliced, a gap smaller than 3mm, or a burr and groove mark or a hole with the width smaller than 5mm between two adjacent secondary multilayer boards is repaired by using the milk white glue.
7. The method for producing a large-size ultra-flat solid wood multi-layer board core as claimed in claim 1, wherein: the length of the spliced large-size super-flat solid wood multilayer board core is 2500 + 3110mm, and the width is 1245 + 1255 mm.
8. A big size super flat solid wood multilayer board core which is characterized in that: prepared by the method of any one of claims 1 to 7.
9. A big size super flat solid wood multiply wood which characterized in that: the large-size ultra-flat solid wood multi-layer board core of claim 8, and two groups of panel layers adhered to the top surface and the bottom surface of the large-size ultra-flat solid wood multi-layer board core.
10. A large size ultra-flat solid wood multi-layer board as claimed in claim 9, wherein: the number of layers of each group of panel layers is 2 or 3, and the extending direction of the wood fiber of the innermost layer of each group of panel layers is mutually vertical to the extending direction of the wood fiber of the single-layer board positioned at the outermost layer of the large-size ultra-flat solid wood multi-layer board core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010864071.1A CN112008814A (en) | 2020-08-25 | 2020-08-25 | Large-size ultra-flat solid wood multilayer board core and production method of multilayer board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010864071.1A CN112008814A (en) | 2020-08-25 | 2020-08-25 | Large-size ultra-flat solid wood multilayer board core and production method of multilayer board |
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| CN112008814A true CN112008814A (en) | 2020-12-01 |
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| CN202010864071.1A Pending CN112008814A (en) | 2020-08-25 | 2020-08-25 | Large-size ultra-flat solid wood multilayer board core and production method of multilayer board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476116A (en) * | 2022-09-19 | 2022-12-16 | 西北有色金属研究院 | Preparation method of ultra-long titanium alloy plate |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012031854A1 (en) * | 2010-09-07 | 2012-03-15 | Hans-Peter Leitinger | Method for processing raw timber to form finger-jointed wood products |
| US20130065013A1 (en) * | 2010-05-12 | 2013-03-14 | 3A Technology & Management Ltd. | Multi-layer wood veneer moulding |
| CN104742199A (en) * | 2013-12-29 | 2015-07-01 | 高唐县金如意木业有限公司 | Plywood used for concrete formwork |
| CN105313196A (en) * | 2014-08-05 | 2016-02-10 | 哈尔滨盛世华林科技有限公司 | Manufacturing method for novel anti-deformation plate special for door pocket |
| CN106049819A (en) * | 2016-07-15 | 2016-10-26 | 宜华生活科技股份有限公司 | Veneered laminated wood floor and processing method thereof |
| CN106827131A (en) * | 2017-01-09 | 2017-06-13 | 福建农林大学 | A kind of processing method of the bimber stair solid wood column with hollow pattern |
| CN107718183A (en) * | 2017-10-20 | 2018-02-23 | 南充市龙煌建材有限公司 | Multiple-plate production method and product are spliced in regeneration |
| CN109227792A (en) * | 2018-09-19 | 2019-01-18 | 叶军 | Tenon joint type glued board and its production method |
-
2020
- 2020-08-25 CN CN202010864071.1A patent/CN112008814A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130065013A1 (en) * | 2010-05-12 | 2013-03-14 | 3A Technology & Management Ltd. | Multi-layer wood veneer moulding |
| WO2012031854A1 (en) * | 2010-09-07 | 2012-03-15 | Hans-Peter Leitinger | Method for processing raw timber to form finger-jointed wood products |
| CN104742199A (en) * | 2013-12-29 | 2015-07-01 | 高唐县金如意木业有限公司 | Plywood used for concrete formwork |
| CN105313196A (en) * | 2014-08-05 | 2016-02-10 | 哈尔滨盛世华林科技有限公司 | Manufacturing method for novel anti-deformation plate special for door pocket |
| CN106049819A (en) * | 2016-07-15 | 2016-10-26 | 宜华生活科技股份有限公司 | Veneered laminated wood floor and processing method thereof |
| CN106827131A (en) * | 2017-01-09 | 2017-06-13 | 福建农林大学 | A kind of processing method of the bimber stair solid wood column with hollow pattern |
| CN107718183A (en) * | 2017-10-20 | 2018-02-23 | 南充市龙煌建材有限公司 | Multiple-plate production method and product are spliced in regeneration |
| CN109227792A (en) * | 2018-09-19 | 2019-01-18 | 叶军 | Tenon joint type glued board and its production method |
Non-Patent Citations (3)
| Title |
|---|
| 《家具木工工艺》编写组: "《家具木工工艺》", 31 March 1984, 轻工业出版社 * |
| 李振凯: "《机械木工 第2版》", 30 November 1991, 中国建筑工业出版社 * |
| 谭平: "《建筑材料》", 30 April 2019, 北京理工大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115476116A (en) * | 2022-09-19 | 2022-12-16 | 西北有色金属研究院 | Preparation method of ultra-long titanium alloy plate |
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