CN105666597A - Decorative sheet structure and manufacturing method - Google Patents
Decorative sheet structure and manufacturing method Download PDFInfo
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- CN105666597A CN105666597A CN201610128166.0A CN201610128166A CN105666597A CN 105666597 A CN105666597 A CN 105666597A CN 201610128166 A CN201610128166 A CN 201610128166A CN 105666597 A CN105666597 A CN 105666597A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- 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
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a decorative sheet structure and a manufacturing method. The decorative sheet structure is formed by a finger joint sheet, veneers and facing paper in a composite mode; the finger joint sheet is formed by splicing a plurality of wood sheets with finger type teeth and stress relief grooves, wherein the finger type teeth and the stress relief grooves are located at the ends of the wood sheets; the finger joint sheet is connected through the finger type teeth for being longitudinally spliced and is fixed through glue for being transversely spliced. The manufacturing method mainly comprises the steps of cutting, rounding, stress groove forming and manufacturing, drying, board cutting, comb tooth treating, length jointing and width splicing, repairing, sanding, veneer gluing, paper gluing and sheet cutting. The decorative sheet structure has the advantages of being high in strength and good in stability. The manufacturing method of the decorative sheet structure has the advantages that the outturn percentage is high, the production technology is simple, the production efficiency is high, the labor intensity is low and the production cost is low, and the technical problems that the utilization rate of wood is low, the strength of decorative sheets is low and the stability is poor in the existingmanufacturing technology of the decorative sheets are well solved.
Description
Technical field
The present invention relates to log manufacture field, particularly relate to structure and the manufacture method thereof of a kind of decorative panel.
Background technology
Traditional decoration plate is deformed in humidity or dry environment due to base material, causes veneer laminating tight, the series of problems such as glue-line is peeled off, sheet material bending. Its one of the main reasons adopts dimension board square bar to dry in the production decorative panel substrate material preparatory stage exactly, and the method volume recovery is low, it is easy to the seasoning defect drying defects such as warpage, distortion, cracking occur.
Disclosed in patent documentation CN2608607Y a kind of " heat resisting water proof solid wood composite floor ", this floor is integral by finger-jointed plate, plywood and veneer compound suppressing, but owing to finger-jointed plate texture is relatively thick, plywood texture is thinner, degumming phenomenon it is unfavorable for forming good glue interface, so can be produced. Disclosed in patent documentation CN201179674Y a kind of " wooden composite decoration sheet ", this decorative panel includes base plate, central layer, table substrate and panel, central layer is that solid wood finger bar is spliced side by side, owing to adopting unsymmetric structure, so being susceptible to warping phenomenon. It addition, this composite decorating board there is also timber intensity deficiency, a large amount of loss raw materials, the technical problem that manufacturing procedure is excessively numerous and diverse in preparation process. Disclosed in patent documentation CN202530693U a kind of " dalle ", this dalle is made up of finger base material, overlay coating and coat, its intensity is substantially not enough. One " manufacture method of finger-jointed plate " disclosed in patent documentation CN103770170A, and the one " preparation method of Eucalyptus finger-joint flooring " announced in patent documentation CN103753661A, all adopt heat-treating machine processing and treating method, although enhancing the dimensional stability of finger-jointed plate, but simultaneously the consumption of yet energization, does not meet the requirement of energy-conserving and environment-protective.
Therefore, existing decorative board structure and manufacturing technology thereof require further improvement and perfect.
Summary of the invention
It is an object of the invention to provide a kind of decorative board structure and manufacture method, it is intended to the timber utilization rate solving to exist in existing decorative panel manufacturing technology is low, decorative panel intensity is low, the technical problem of poor stability.
Technical scheme designed by the present invention is as follows:
A kind of decorative board structure, wherein, described decorative panel is composited by finger-jointed plate, wood leather single plate and decorative paper; Described finger-jointed plate is spliced by the some wood chips being provided with finger-type tooth and stress relief grooves, and described finger-type tooth and stress relief grooves are arranged at the end of wood chip, the medulla of the plane traverse wood chip at described stress relief grooves place; The longitudinal spliced of finger-jointed plate is connected by finger-type tooth, horizontally-spliced is fixed by glue; Described finger-jointed plate is intermediate layer, and its upper and lower two sides are connected by glue and wood leather single plate are fixing, and the outermost layer of decorative panel is decorative paper, is fixed by glue and wood leather single plate surface.
Described decorative board structure, wherein, the length L of stress relief grooves is set between 6 centimetres to 20 centimetres, and width W is set between 2 millimeters to 4 millimeters, and degree of depth D is set between 2 centimetres to 5 centimetres.
Described decorative board structure, wherein, the thickness of described wood leather single plate is set between 1 millimeter to 3 millimeters.
A kind of decorative board production method, wherein, comprises the steps:
Step S1: choose suitable log size and carry out blocking, playing circle process;
Step S2: open stress relief grooves processed respectively at two ends according to the size of roundwood;
Step S3: adopt Two stage dryer method that roundwood is dried;
Step S4: roundwood is carried out sawing sheet process, obtains wood chip;
Step S5: carry out comb process in the end of wood chip, obtains the wood chip with finger-type tooth, is spliced into finger-jointed plate;
Step S6: finger-jointed plate is repaired, sanding processes;
Step S7: at two surface mount wood leather single plates up and down of finger-jointed plate;
Step S8: at two surface mount decorative papers up and down of decorative panel.
Described decorative board production method, wherein, selecting log diameter in step S1 is 6.5 centimetres to 12.5 centimetres, and blocks the roundwood into length 60 centimetres to 120 centimetres, and beating roundwood diameter after circle processes is between 6 centimetres to 12 centimetres.
Described decorative board production method, wherein, the Two stage dryer method in described step S3 includes being first 30% to 55% by roundwood natural drying in atmospheric conditions to moisture content; Then, at temperature 50 C to 70 DEG C, when relative humidity is 40% to 90%, the kiln inner drying that the cycle of carrying out is 6 days to 10 days processes, and being dried to roundwood moisture content is between 8% to 15%.
Described decorative board production method, wherein, the roundwood in described step S2 is opened the length L of the stress relief grooves of system and is accounted for the 6% to 10% of log length, and length L is within 20 centimetres; The degree of depth D of stress relief grooves is set to the 1/2 of roundwood radius; It is 2 millimeters to 4 millimeters that stress relief grooves opens the width W of system.
Described decorative board production method, wherein, the dried thickness in described step S4 is set between 9 millimeters to 18 millimeters, and width is between 4 centimetres to 10 centimetres, and length is between 200 millimeters to 500 millimeters.
In sum, decorative panel provided by the invention includes being provided with the finger flaggy of stress relief grooves, wood leather single plate layer and veneer ply of paper, the advantage with intensity height, good stability; The method that the present invention also provides for manufacturing this decorative panel, the key step of the method blocks, beat circle, open manufacture stress groove, dry, sawing sheet, comb, spreading spell width, repairing, sanding, lagging, paster, sanction plate etc., there is the advantages such as volume recovery height, production technology is simple, production efficiency is high, labor intensity is low, production cost is low, solve well in existing decorative panel manufacturing technology exist timber utilization rate low, decorative panel intensity is low, the technical problem of poor stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of decorative panel provided by the present invention.
Fig. 2 is the roundwood structural representation having stress relief grooves provided by the present invention.
Fig. 3 is roundwood sawing path schematic diagram provided by the present invention.
Fig. 4 is the axonometric chart of the wood chip having stress relief grooves provided by the present invention.
Fig. 5 is the front view of the wood chip having stress relief grooves provided by the present invention.
Fig. 6 is the right view of the wood chip having stress relief grooves provided by the present invention.
Fig. 7 is the top view of the wood chip having stress relief grooves provided by the present invention.
Fig. 8 is the structural representation of the decorative panel base material having stress relief grooves provided by the present invention.
Detailed description of the invention
For making the purpose of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the invention will be further described for embodiment.
As it is shown in figure 1, the invention discloses a kind of decorative board structure, wherein, described decorative panel is composited by finger-jointed plate, wood leather single plate 200 and decorative paper 300. Described finger-jointed plate is spliced by the some wood chips 100 being provided with finger-type tooth and stress relief grooves 110. Described finger-type tooth and stress relief grooves 110 are arranged at the end of wood chip 100, the medulla of the plane traverse wood chip 100 at described stress relief grooves 110 place. The longitudinal spliced of finger-jointed plate is connected by finger-type tooth, horizontally-spliced is fixed by glue. Described finger-jointed plate is intermediate layer, and its upper and lower two sides are connected by glue is fixing with wood leather single plate 200, and the outermost layer of decorative panel is decorative paper 300, is fixed by glue and wood leather single plate 200 surface.
Concrete, described finger-type tooth is set to zigzag, is through to opposite side from the side of wood chip 100 end.
Concrete, the plane at described stress relief grooves 110 place is through the medulla (axle center) of wood chip 100, and its degree of depth extends to the center of wood chip 100 from a side surface of wood chip 100. Preferably, in order to make finger-jointed plate no matter can keep good dimensional stability in dry or moistening environment, the length L of described stress relief grooves 110 is set between 6 centimetres to 20 centimetres, and width W is set between 2 centimetres to 4 centimetres, and degree of depth D is set between 2 centimetres to 5 centimetres.
Concrete, the thickness of described wood leather single plate 200 is set between 1 millimeter to 3 millimeters.
The invention also discloses a kind of method manufacturing decorative panel, as shown in Figures 2 to 7, this manufacture method specifically includes following steps:
Step S1: choose suitable log size and carry out blocking, playing circle process.
Concrete, the roundwood of different tree species is chosen according to different demands, the round log seeds of the substrate material used can be fast-growing Eucalyptus, poplar, Lignum seu Ramulus Cunninghamiae Lanceolatae. The log diameter chosen is 6.5 centimetres to 12.5 centimetres, and blocks and be advisable to 120 centimetres for length 60 centimetres. Beating roundwood diameter after circle processes is between 6 centimetres to 12 centimetres.
Step S2: open stress relief grooves 110 processed respectively at two ends according to the size of roundwood.
As in figure 2 it is shown, according to the length of roundwood, diameter need to be dried, open the stress relief grooves 110 of different length processed, width, the degree of depth. Specifically, open stress relief grooves 110 processed respectively at roundwood two ends, plane traverse medulla (namely stress relief grooves 110 is arranged on any one shaft section of roundwood) at this stress relief grooves 110 place. The length L of stress relief grooves 110 accounts for the 6% to 10% of log length, and length L is within 20 centimetres; The degree of depth D of stress relief grooves 110 is set to the 1/2 of roundwood radius;It is 2 millimeters to 4 millimeters that stress relief grooves 110 opens the width W of system.
Step S3: adopt Two stage dryer method that roundwood is dried.
First paragraph is the natural drying stage, in this stage, should choose well-ventilated, place without solar exposure, carries out natural drying by built on stilts for roundwood. When the moisture content of roundwood drops to 30% to 55% scope, the natural drying stage terminates. Preferred version as the present embodiment, it is proposed that the moisture content of roundwood is down to 35% to 50% the most suitable.
Second segment is the kiln inner drying stage, and after natural drying, the moisture content of roundwood can be higher, is dried so roundwood is put into kiln, reduces the moisture content of roundwood further. Wherein, kiln temperature needs to be maintained between 50 DEG C to 70 DEG C, and when relative humidity is between 40% to 90%, the kiln inner drying that line period of going forward side by side is 6 days to 10 days processes, and should ensure that in dry kiln, circulation of air flow is reasonable, and reserve passage in this process. After dried terminates, the moisture content of roundwood can drop between 8% to 15%. The drying stress produced in dry run discharges through stress groove, will not cause stress deformation and the cracking of roundwood.
Step S4: roundwood is carried out sawing sheet process, obtains wood chip 100.
As shown in Figure 3, adopt high accuracy multiple blade saw that along saw lanes 120, roundwood is sawn into the equal wood chip of thickness 100, first make saw blade along being parallel under stress relief grooves 110 depth direction and sawing fixed thickness, the distance between saw blade is adjusted further according to wood chip 100 different in width, saw along being perpendicular under stress relief grooves 110 depth direction, retain stress relief grooves 110 simultaneously, and by wood chip 100 truncate. The thickness obtaining wood chip 100 is set between 9 millimeters to 18 millimeters, and width is between 4 centimetres to 10 centimetres, and length is between 200 millimeters to 500 millimeters. In wood chip 100, medulla is crossed in the direction of stress relief grooves 110, and its length is set between 6 centimetres to 20 centimetres, and width is set between 2 millimeters to 4 millimeters, and the degree of depth is set between 2 centimetres to 5 centimetres.
Step S5: carry out comb process in the end of wood chip 100, obtains the wood chip 100 with finger-type tooth, is spliced into finger-jointed plate.
As shown in Figure 4, Figure 5, Figure 6 and Figure 7, use rack shaper that along being parallel to stress groove depth direction, well-graded wood chip 100 is opened finger-type tooth processed, prepare with stress relief grooves 110 wood chip 100 having finger-type tooth. Owing to finger-type tooth opens the direction being oriented parallel to stress groove depth of system, so, when horizontally-spliced, it is possible to the stress groove on wood chip 100 is hidden in plate, neither bursting stress groove, do not affect again the attractive in appearance of decorative panel.
As shown in Figure 8, the longitudinal spliced of finger-jointed plate is connected by the finger-type tooth on wood chip 100, adds appropriate glue and splicing can be made more firm; Horizontally-spliced employing glue is fixed, and glue quantity is more longitudinal spliced many. When splicing, it is necessary to apply suitable splicing pressure to wood chip 100 end. Homodisperse for stress relief grooves 110 compound mode spreading is spelled width, and stress relief grooves 110 position is not fixed.
Step S6: finger-jointed plate is carried out repairing treatment and sanding processes.
Step S7: at two surface mount wood leather single plates 200 up and down of finger-jointed plate.
The grain direction of described wood leather single plate 200 and finger-jointed sheet material are mutually perpendicular to, and veneer seeds are optional identical or different with base material, and wood leather single plate 200 thickness is set to 1 millimeter to 3 millimeters.
Step S8: at two surface mount decorative papers 300 up and down of decorative panel.
Compared with prior art, decorative board production method provided by the present invention has several advantages that
One is, decorative panel base material is broken the roundwood after circle for dry object with Logs of small diameter by the present invention, and be dried, by opening stress relief grooves 110 processed, compare the drying process that conventional log elder generation sawn timber dries again, deformation defect during timber drying can be effectively reduced, reduce allowance, thus the volume recovery of the timber significantly improved.
Two are, the present invention adopts high accuracy multiple blade saw that log saw is cut into the equal wood chip of thickness 100, and by wood chip 100 truncate, no longer the finger-jointed plate of (spreading, spelling width) after splicing is carried out planing and sanding processing, decrease a large amount of manufacturing procedure, realize replacing planing with sawing, reduce planing and sanding cost, improve the smoothness in splicing face. Further, since remain stress groove in base material finger-jointed plate, under moist and dry environment, having higher dimensional stability after can guarantee that finger-jointed plate molding, this also directly decreases the size distortion amount of decorative panel.
Three are, the present invention uses rack shaper that along being parallel to stress groove depth direction, the wood chip 100 with stress groove is opened comb, can effectively utilize stress relief grooves 110 when finger-jointed plate splices, is stashed rather than destroyed, and do not affect outward appearance simultaneously. It addition, the position of dispersive stress release groove 110, make decorative panel base material reduce the situation that defect is concentrated, be effectively improved the performance of sheet material.
Four are, the present invention adopts the arrangement mode of veneer grain direction vertical substrate finger-jointed plate, can effectively suppress the deformation caused by the anisotropy of base material self drying shrinkage bulking, are also obviously improved the mechanical strength of sheet material simultaneously.
In order to be illustrated more clearly that principles of the invention and operational approach, below in conjunction with the drawings and specific embodiments, decorative board structure and manufacture method are described further:
Embodiment 1:
Decorative panel described in the present embodiment is to adopt Eucalyptus small dimension wood round log as finger-jointed plate substrate material, and directly choosing round log, to carry out fluting dry, and carry out sawing sawing sheet with reference to Fig. 3 mode, by the cuboid wood chip 100 obtaining uniform thickness being carried out end finger and side splicing, thus the base material finger-jointed plate prepared, then on base material, overlay the veneer that a layer texture direction is perpendicular with base material, finally stick decorative paper 300 at outermost layer and prepare decorative panel.
The concrete preparation process of described decorative panel is:
1) selection: choose the roundwood of fast-growing path Eucalyptus according to demand for preparing decorative panel base material.
2) block, beat and justify: log diameter 6.5 centimetres to 8.5 centimetres, block length 600 millimeters to 800 millimeters, beat roundwood diameter 6 centimetres to 8 centimetres after justifying.
3) stress relief grooves 110 processed is opened: as shown in Figure 2, at the stress relief grooves 110 that each drawing length in two ends is roundwood length 6% of substrate material path roundwood, no longer than 20 centimetres, stress relief grooves 110 is perpendicular to medulla, the degree of depth is equal to roundwood radius, and width is 2 millimeters.
4) dry: well-ventilated should to be chosen, be 35% to 55% without the place of solar exposure by round log natural drying to moisture content; Again by roundwood stacking to dry kiln, under temperature 50 C to 70 DEG C, relative humidity 40% to 90% condition, the kiln inner drying that the cycle of carrying out is 3 days to 5 days processes, being dried to moisture content is 8% to 15%, should ensure that in dry kiln, circulation of air flow is reasonable, and reserves passage.
5) sawing sheet, truncate: as shown in Figure 4, Figure 5, Figure 6 and Figure 7, adopt high accuracy multiple blade saw that along saw lanes 120, roundwood is sawn into the equal wood chip of thickness 100, first make saw blade along being parallel under stress relief grooves 110 depth direction and sawing fixed thickness, the distance between saw blade is adjusted further according to wood chip 100 different in width, saw along being perpendicular under stress relief grooves 110 depth direction, retain stress relief grooves 110 simultaneously, and by wood chip 100 truncate.Wood chip 100 thickness is 9 millimeters to 12 millimeters, and width is 4 centimetres to 6 centimetres, and length is 200 millimeters to 300 millimeters. Medulla is passed through in wood chip 100 stress relief grooves 110 direction, and length range is 6 centimetres to 10 centimetres, and width is 2 millimeters, and the degree of depth is 2 centimetres.
6) comb: open comb along being parallel to stress groove depth direction on the wood chip 100 occur stress groove, other wood chips 100 open comb along being parallel to wood chip 100 width, tooth length is 8 millimeters to 10 millimeters, and tooth pitch is 3 millimeters to 4 millimeters, and tooth top width is 0.6 millimeter to 0.8 millimeter.
7) spreading spells width: by homodisperse for stress relief grooves 110 compound mode spreading is spelled width, stress relief grooves 110 position is not fixed.
8) repairing, cutting edge and sanding: use putty plate embryo open defect to be repaired, carries out two-sided sanding or washed ore, then cuts out to required specification sheet material with edge cutting machine through sander after to be dried.
9) lagging: veneer grain direction and finger-jointed sheet material are mutually perpendicular to, veneer seeds are optional identical or different with base material, and wood leather single plate 200 thickness is 1 millimeter.
10) paster, inspection, packaging and warehousing: finger-jointed plate is pasted facing paper, and will inspection qualified products packaging and warehousing.
The technique effect of embodiment 1:
In the present embodiment, dalle intensity is high, good stability, and craze and transfiguration situation is few, the more similar decoration plate hight 19% of volume recovery. Contrast unslotted decorative panel, occurs that deformation reduces 41%. According to GB/T17657-2013 test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels national standard, its indices being evaluated, result shows: moisture content is 8.5%, and bending strength is 22MPa, without dipping and stripping phenomenon.
Embodiment 2:
The concrete preparation process of described decorative panel is:
1) selection: choose the roundwood of fast-growing path Eucalyptus according to demand for preparing decorative panel base material
2) block, beat and justify: log diameter 8.5 centimetres to 10.5 centimetres, block length 800 millimeters to 1000 millimeters, beat roundwood diameter 8 centimetres to 10 centimetres after justifying.
3) opening stress relief grooves 110 processed: at the stress relief grooves 110 that each drawing length in two ends is roundwood length 8% of substrate material path roundwood, no longer than 20 centimetres, stress relief grooves 110 is perpendicular to medulla, the degree of depth is equal to roundwood radius, and width is 3 millimeters.
4) dry: well-ventilated should to be chosen, be 35% to 55% without the place of solar exposure by round log natural drying to moisture content; Again by roundwood stacking to dry kiln, under temperature 50 C to 70 DEG C, relative humidity 40% to 90% condition, the kiln inner drying that the cycle of carrying out is 3 days to 5 days processes, being dried to moisture content is 8% to 15%, should ensure that in dry kiln, circulation of air flow is reasonable, and reserves passage.
5) sawing sheet, truncate: adopt high accuracy multiple blade saw roundwood is sawn into the equal wood chip of thickness 100 along saw lanes 120, first make saw blade along being parallel under stress relief grooves 110 depth direction and sawing fixed thickness, the distance between saw blade is adjusted further according to wood chip 100 different in width, saw along being perpendicular under stress relief grooves 110 depth direction, retain stress relief grooves 110 simultaneously, and by wood chip 100 truncate. Wood chip 100 thickness is 12 millimeters to 15 millimeters, and width is 6 centimetres to 8 centimetres, and length is 300 millimeters to 400 millimeters. Medulla is passed through in wood chip 100 stress relief grooves 110 direction, and length range is 10 centimetres to 15 centimetres, and width is 3 millimeters, and the degree of depth is 3.5 centimetres.
6) comb: open comb along being parallel to stress groove depth direction on the wood chip 100 occur stress groove, other wood chips 100 open comb along being parallel to wood chip 100 width, tooth length is 8 millimeters to 10 millimeters, and tooth pitch is 3 millimeters to 4 millimeters, and tooth top width is 0.6 millimeter to 0.8 millimeter.
7) spreading spells width: by homodisperse for stress relief grooves 110 compound mode spreading is spelled width, stress relief grooves 110 position is not fixed.
8) repairing, cutting edge and sanding: use putty plate embryo open defect to be repaired, carries out two-sided sanding or washed ore, then cuts out to required specification sheet material with edge cutting machine through sander after to be dried.
9) lagging: veneer grain direction and finger-jointed sheet material are mutually perpendicular to, veneer seeds are optional identical or different with base material, and wood leather single plate 200 thickness is 2 millimeters.
10) paster, inspection, packaging and warehousing: finger-jointed plate is pasted facing paper, and will inspection qualified products packaging and warehousing.
The technique effect of embodiment 2:
In the present embodiment, Eucalyptus decorative panel intensity is high, good stability, and craze and transfiguration situation is few, the more similar decoration plate hight 17% of volume recovery. Contrast unslotted Eucalyptus decorative panel, occurs that deformation reduces 43%. According to GB/T17657-2013 test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels national standard, its indices being evaluated, result shows: moisture content is 9%, and bending strength is 23MPa, without dipping and stripping phenomenon.
Embodiment 3:
The concrete preparation process of described decorative panel is:
1) selection: choose the roundwood of fast-growing path Eucalyptus according to demand for preparing decorative panel base material.
2) block, beat and justify: log diameter 10.5 centimetres to 12.5 centimetres, block length 1000 millimeters to 1200 millimeters, beat roundwood diameter 10 centimetres to 12 centimetres after justifying.
3) stress relief grooves 110 processed is opened: at the stress relief grooves 110 that each drawing length in two ends is roundwood length 10% of substrate material path roundwood, no longer than 20 centimetres, stress relief grooves 110 is perpendicular to medulla, and the degree of depth is equal to roundwood radius, and width is 4 millimeters.
4) dry: well-ventilated should to be chosen, be 35% to 55% without the place of solar exposure by round log natural drying to moisture content; Again by roundwood stacking to dry kiln, under temperature 50 C to 70 DEG C, relative humidity 40% to 90% condition, the kiln inner drying that the cycle of carrying out is 3 days to 5 days processes, being dried to moisture content is 8% to 15%, should ensure that in dry kiln, circulation of air flow is reasonable, and reserves passage.
5) sawing sheet, truncate: adopt high accuracy multiple blade saw roundwood is sawn into the equal wood chip of thickness 100 along saw lanes 120, first make saw blade along being parallel under stress relief grooves 110 depth direction and sawing fixed thickness, the distance between saw blade is adjusted further according to wood chip 100 different in width, saw along being perpendicular under stress relief grooves 110 depth direction, retain stress relief grooves 110 simultaneously, and by wood chip 100 truncate. Wood chip 100 thickness is 15 millimeters to 18 millimeters, and width is 8 centimetres to 10 centimetres, and length is 400 millimeters to 500 millimeters. Medulla is passed through in wood chip 100 stress relief grooves 110 direction, and length range is 15 centimetres to 20 centimetres, and width is 4 millimeters, and the degree of depth is 5 centimetres.
6) comb: open comb along being parallel to stress groove depth direction on the wood chip 100 occur stress groove, other wood chips 100 open comb along being parallel to wood chip 100 width, tooth length is 8 millimeters to 10 millimeters, and tooth pitch is 3 millimeters to 4 millimeters, and tooth top width is 0.6 millimeter to 0.8 millimeter.
7) spreading spells width: by homodisperse for stress relief grooves 110 compound mode spreading is spelled width, stress relief grooves 110 position is not fixed.
8) repairing, cutting edge and sanding: use putty plate embryo open defect to be repaired, carries out two-sided sanding or washed ore, then cuts out to required specification sheet material with edge cutting machine through sander after to be dried.
9) lagging: veneer grain direction and finger-jointed sheet material are mutually perpendicular to, veneer seeds are optional identical or different with base material, and wood leather single plate 200 thickness is 3 millimeters.
10) paster, inspection, packaging and warehousing: finger-jointed plate is pasted facing paper, and will inspection qualified products packaging and warehousing.
The technique effect of embodiment 3:
In the present embodiment, Eucalyptus decorative panel intensity is high, good stability, and craze and transfiguration situation is few, the more similar decoration plate hight 13% of volume recovery. Contrast unslotted Eucalyptus decorative panel, occurs that deformation reduces 55%. According to GB/T17657-2013 test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels national standard, its indices being evaluated, result shows: moisture content is 8.5%, and bending strength is 25MPa, without dipping and stripping phenomenon.
In sum, decorative panel provided by the invention includes being provided with the finger flaggy of stress relief grooves 110, wood leather single plate layer and veneer ply of paper, the advantage with intensity height, good stability; The method that the present invention also provides for manufacturing this decorative panel, the key step of the method blocks, beat circle, open manufacture stress groove, dry, sawing sheet, comb, spreading spell width, repairing, sanding, lagging, paster, sanction plate etc., there is the advantages such as volume recovery height, production technology is simple, production efficiency is high, labor intensity is low, production cost is low, solve well in existing decorative panel manufacturing technology exist timber utilization rate low, decorative panel intensity is low, the technical problem of poor stability.
Should be understood that; the application of the present invention is not limited to above-mentioned citing; for those of ordinary skills; can be improved according to the above description or be converted; such as; common/usual replacement etc. to each component in the present invention, all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (8)
1. a decorative board structure, it is characterised in that described decorative panel is composited by finger-jointed plate, wood leather single plate and decorative paper; Described finger-jointed plate is spliced by the some wood chips being provided with finger-type tooth and stress relief grooves, and described finger-type tooth and stress relief grooves are arranged at the end of wood chip, the medulla of the plane traverse wood chip at described stress relief grooves place; The longitudinal spliced of finger-jointed plate is connected by finger-type tooth, horizontally-spliced is fixed by glue; Described finger-jointed plate is intermediate layer, and its upper and lower two sides are connected by glue and wood leather single plate are fixing, and the outermost layer of decorative panel is decorative paper, is fixed by glue and wood leather single plate surface.
2. decorative board structure according to claim 1, it is characterised in that the length L of stress relief grooves is set between 6 centimetres to 20 centimetres, width W is set between 2 millimeters to 4 millimeters, and degree of depth D is set between 2 centimetres to 5 centimetres.
3. decorative board structure according to claim 1, it is characterised in that the thickness of described wood leather single plate is set between 1 millimeter to 3 millimeters.
4. a decorative board production method, it is characterised in that comprise the steps:
Step S1: choose suitable log size and carry out blocking, playing circle process;
Step S2: open stress relief grooves processed respectively at two ends according to the size of roundwood;
Step S3: adopt Two stage dryer method that roundwood is dried;
Step S4: roundwood is carried out sawing sheet process, obtains wood chip;
Step S5: carry out comb process in the end of wood chip, obtains the wood chip with finger-type tooth, is spliced into finger-jointed plate;
Step S6: finger-jointed plate is repaired, sanding processes;
Step S7: at two surface mount wood leather single plates up and down of finger-jointed plate;
Step S8: at two surface mount decorative papers up and down of decorative panel.
5. decorative board production method according to claim 4, it is characterized in that, selecting log diameter in step S1 is 6.5 centimetres to 12.5 centimetres, and blocks the roundwood into length 60 centimetres to 120 centimetres, and beating roundwood diameter after circle processes is between 6 centimetres to 12 centimetres.
6. decorative board production method according to claim 4, it is characterised in that the Two stage dryer method in described step S3 includes being first 30% to 55% by roundwood natural drying in atmospheric conditions to moisture content; Then, at temperature 50 C to 70 DEG C, when relative humidity is 40% to 90%, the kiln inner drying that the cycle of carrying out is 6 days to 10 days processes, and being dried to roundwood moisture content is between 8% to 15%.
7. decorative board production method according to claim 4, it is characterised in that the roundwood in described step S2 is opened the length L of the stress relief grooves of system and accounted for the 6% to 10% of log length, and length L is within 20 centimetres; The degree of depth D of stress relief grooves is set to the 1/2 of roundwood radius; It is 2 millimeters to 4 millimeters that stress relief grooves opens the width W of system.
8. decorative board production method according to claim 4, it is characterised in that the dried thickness in described step S4 is set between 9 millimeters to 18 millimeters, width is between 4 centimetres to 10 centimetres, and length is between 200 millimeters to 500 millimeters.
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| CN201610128166.0A CN105666597B (en) | 2016-03-07 | 2016-03-07 | A kind of decorative board structure and manufacturing method |
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| CN108032387A (en) * | 2017-11-24 | 2018-05-15 | 中匠华湄模板制造有限公司 | A kind of production method of clean water coating plate |
| CN109057229A (en) * | 2018-08-24 | 2018-12-21 | 浙江东来建设集团有限公司 | A kind of decorative board for wall connection hanging piece |
| CN110587731A (en) * | 2019-09-30 | 2019-12-20 | 广州市众益装饰材料有限公司 | Preparation process of veneer |
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| CN110587731A (en) * | 2019-09-30 | 2019-12-20 | 广州市众益装饰材料有限公司 | Preparation process of veneer |
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Effective date of registration: 20221027 Address after: No.68 Luoyong campus road, Baiyun District, Guangzhou City, Guangdong Province 510000 Patentee after: GUANGZHOU OUYA MATTRESS FURNITURE Co.,Ltd. Address before: 510642 No. five, 483 mountain road, Guangzhou, Guangdong, Tianhe District Patentee before: SOUTH CHINA AGRICULTURAL University |