CN203994101U - Continuously shaped composite construction material - Google Patents

Continuously shaped composite construction material Download PDF

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Publication number
CN203994101U
CN203994101U CN201420370009.7U CN201420370009U CN203994101U CN 203994101 U CN203994101 U CN 203994101U CN 201420370009 U CN201420370009 U CN 201420370009U CN 203994101 U CN203994101 U CN 203994101U
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China
Prior art keywords
veneer
layer
longitudinal
composite construction
construction material
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Expired - Fee Related
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CN201420370009.7U
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Chinese (zh)
Inventor
许斌
沈文益
陈立衡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIANYUNGANG YONGYI WOOD INDUSTRY Co Ltd
Nanjing Forestry University
Original Assignee
LIANYUNGANG YONGYI WOOD INDUSTRY Co Ltd
Nanjing Forestry University
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Application filed by LIANYUNGANG YONGYI WOOD INDUSTRY Co Ltd, Nanjing Forestry University filed Critical LIANYUNGANG YONGYI WOOD INDUSTRY Co Ltd
Priority to CN201420370009.7U priority Critical patent/CN203994101U/en
Application granted granted Critical
Publication of CN203994101U publication Critical patent/CN203994101U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is a kind of continuously shaped composite construction material, and its structure is with each 2~4 layers of longitudinal veneers of top and bottom layer material, or top and bottom layer material each 1~4 layer of longitudinal veneer and 1~2 layer of horizontal veneer; Sandwich layer is the lath behind particieboard or sawn timber or veneer saw limit.Advantage: can be by the particieboard of large-scale production, sawn timber, the remaining plywood panel of processing, with various softwoods, broadleaf veneer, by the fixing high frequency press of separate unit, be made into the composite construction material of continuous length, there is small investment, efficiency is high, and product specification is many, meets as the needs of the structural woods such as the bottom girder of automobile, train, container, steamer and base plate.

Description

Continuously shaped composite construction material
Technical field
The utility model relates to a kind of continuously shaped composite construction material, take multilayer single plate as top layer, by separate unit high frequency press, produce the composite construction material of continuous length, belong to the wood-based plate manufacturing technology field in timber industry.
Background technology
Engineering structure material, need to have certain mechanical property, presentation quality, impact resistance and ageing-resistant performance.The common mode of production is that the hot press of multilayer is produced, and the limited length of the sheet material of production, can not meet various requirement of engineering; For slab, hot pressing time is longer, and production efficiency is low.And the burr of sheet material need amputate, utilization rate reduces.
It is long arbitrarily that continuously shaped wood-based plate has breadth, and stock utilization is high, and this is because laterally do not saw limit hair plates loss, can increase operation rate approximately 3%.Continuously shaped wood-based plate normally adopts continuous press to produce, if the production of the fiberboard of high yield, oriented wood chipboard etc. is to adopt continuous press.This continuous press adopts deep fat or steam to be used as thermal source conventionally, and heat transfer rate is unhappy, and the oriented wood chipboard continuous press of producing 30 ten thousand steres per year reaches 40m, and the investment of equipment approximately needs 2,500 ten thousand Euros.
Composite construction material adopts High frequency heating technology, can heat rapidly glue-line, shortens hot pressing time, enhances productivity.Raw material are to adopt the particieboard be easy to obtain, sawn timber etc. as core material.Top layer adopts veneer to strengthen, and such composite construction material is easy to make, and equipment investment is few, and the specification of production is many, and cost is low, and intensity is high.And the abundant sustainable domestic timber resource of available resources is produced composite construction material, has widened the source of composite board, has far-reaching realistic meaning.
Summary of the invention
The utility model proposes a kind of continuously shaped composite construction material, its objective is and overcome the existing above-mentioned defect of prior art, utilize the veneer that upper and lower surface strength is high, which floor high elastic modulus of surface is maximum to the contribution of the elastic modelling quantity of base plate, the elastic modelling quantity of base plate is increased substantially, and sandwich layer utilization has the materials such as particieboard, sawn timber jigsaw and veneer saw limit burr of higher anti-shear performance.This particieboard can be the directed laminated timber of ordinary particle board (Particles Board), wafer board (Wafer Board), oriented wood chipboard (OSB) and rectangular flaking (Oriented Strand Lumber is called for short OSL).
Technical solution of the present utility model: continuously shaped composite construction material, its structure is with each 2~4 layers of longitudinal veneers of top and bottom layer material, longitudinally veneer adopts mitered and width to adopt splicing at length direction, and the landing edge of the longitudinal veneer of levels is staggered more than 60mm; Or top and bottom layer material respectively adopts 1~4 layer of longitudinal veneer and 1~2 layer of horizontal veneer, this horizontal veneer be placed on second and layer 5 in any one deck, the joint style of veneer is the same; Surface material is inwardly particieboard; Or surface material is inwardly the longitudinal texture lath behind longitudinal texture sawn timber or veneer saw limit.
Advantage of the present utility model: can be by the particieboard of large-scale production, sawn timber, the remaining glued board unedged lumber of processing, various softwoods, broadleaf veneer with wildwood and artificial forest, by separate unit high-frequency heating press, be made into the composite construction material of continuous length, there is small investment, production efficiency is high, and product specification is many, meets as the needs of the structural woods such as the bottom girder of automobile, train, container, steamer and base plate.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of composite construction board structural representation that rectangular flaking laminated timber (OSL) is sandwich layer of take.
Accompanying drawing 2 is a kind of composite construction board structural representations that sawn timber is sandwich layer of take.
Accompanying drawing 3 is a kind of composite construction board structural representations that edges of boards bar is sandwich layer of take.
In figure 1 is longitudinal texture veneer, and this longitudinal texture veneer is by the longitudinal mitered of hypotenuse; The 2nd, longitudinal texture OSL, this longitudinal texture OSL is at longitudinal terminal surface mitered; The 3rd, cross grain Wooden veneer, passes through splicing between this cross grain Wooden veneer; The 4th, longitudinal texture sawn timber, this sawn timber passes through finger spreading at longitudinal terminal surface; The 5th, longitudinal texture lath, this lath passes through finger spreading at longitudinal terminal surface.
The specific embodiment
Continuously shaped composite construction material, its structure is with each 2~4 layers of longitudinal veneers (1) of top and bottom layer material, and longitudinally veneer adopts mitered and width to adopt splicing at length direction, and the landing edge of the longitudinal veneer of levels is staggered more than 60mm; Top and bottom layer material also can respectively adopt 1~4 layer of longitudinal veneer (1) and 1~2 layer of horizontal veneer (3), this horizontal veneer (3) be placed on second and layer 5 in any one deck, the joint style of veneer is the same; Surface material is inwardly particieboard (2), between this particieboard is longitudinal, adopts mitered mode; Or surface material be inwardly the longitudinal texture lath (5) behind longitudinal texture sawn timber (4) or veneer saw limit, between this sawn timber or lath are longitudinal, adopt mitered or finger mode.
Described top and bottom layer material also can adopt each 1~4 layer of longitudinal texture veneer (1) and 1~2 layer of cross grain Wooden veneer (3), this cross grain Wooden veneer (3) be placed on second and layer 5 in any one deck.
Described sandwich layer particieboard (2) comprises the directed laminated timber of ordinary particle board (Particle Board), wafer board (Wafer Board), oriented wood chipboard (OSB) and rectangular flaking (Oriented Strand Lumber is called for short OSL).
The manufacture method of continuously shaped composite construction material, comprises following processing step:
A, Wooden veneer sorting and arrangement, Wooden veneer is done to moisture content≤10%, veneer needs longitudinal milling hypotenuse, and tight face and loose side are separated, and by required double spread, adhesive, according to the difference of use occasion, is selected urea-formaldehyde glue, melamine modified urea-formaldehyde glue or phenol glue, double spread amount 250~350g/m 2, ageing or low temperature drying;
B, particieboard, sawn timber and glued board sapwood are processed, the fixed thick sanding of particieboard is removed to curing top layer, surface as central layer, the residual small size of sanding adopts manual abrasive finishing machine abrasive finishing, and inclined-plane overlap joint shape will be processed between two particieboards, an and miter gluing therein, for preventing inclined-plane overlap joint dislocation, in lap-joint, bore aperture, throw waddy or bamboo pole into two inclined-plane overlap joints are not misplaced; Sawn timber is to process through super-dry and scraping, and becomes inclined-plane or finger face in the end machining of sheet material, on inclined-plane or finger face and side gluing; Glued board is when saw limit, at former saw blade, add again a saw blade outward, distance between two saw blades is at 15~30mm, the qualified lath of sawing from edge strip, through thicknesser and sander, same thickness is processed into in the table back side, before sawing, by the lath except abrasive finishing machine abrasive finishing, edge strip end face is processed into inclined-plane or finger face, and on inclined-plane or finger face and side gluing;
C, assembly, by Wooden veneer, particieboard or sawn timber or lath assembly, be divided into three continuous assembly platforms by upper and lower ply and core, merges into a whole slab before entering high frequency press, when sandwich layer is particieboard, as there is no width splicing, can be without side direction pressurization apparatus, sawn timber and lath need be with cylinder by its longitudinal jam-packeds when finger assembly, and the lateral separation of its upper and lower surface layer veneer is just in time identical or smaller with the width after sandwich layer side direction jam-packed, when the good continuous slab of assembly moves in fixing separate unit high-frequency heating press, at forward maximum pressure, be 1.5~2.5MPa, sawn timber and lath need to carry out high-frequency heating under the condition of the highest lateral pressure 1.0~2.5MPa, keep 4~12 minutes, now press front end continues assembly, after high-frequency heating finishes, the slab that cured panel and assembly are good moves forward simultaneously, guarantee that cured panel back segment also has 25~40mm in high frequency pressing plate, the composite wood that high-frequency heating is cured blocks and rear processing according to required.
Below in conjunction with accompanying drawing, further describe technical solution of the present invention:
Contrast accompanying drawing 1, the composite construction board that the rectangular flaking laminated timber (OSL) of take is sandwich layer, its structure is to take sandwich layer as rectangular flaking laminated timber (OSL) 2, top layer and bottom are respectively three layers of longitudinal texture Wooden veneer 1, sandwich layer OSL is that longitudinal texture is arranged, at length direction, by inclined-plane spreading, longitudinally texture veneer also overlaps spreading by inclined-plane.
Contrast accompanying drawing 2, the composite construction board that the sawn timber of take is sandwich layer, its structure is to take longitudinal texture sawn timber 4 as sandwich layer composite construction material, its top layer and bottom are respectively inwardly three layers of longitudinal texture veneer 1 successively, this longitudinal texture veneer carrys out spreading by inclined-plane, be inwardly one deck cross grain Wooden veneer 3 again, between this cross grain veneer, pass through splicing assembly.
Contrast accompanying drawing 3, the composite construction board that the edges of boards bar of take is sandwich layer, its structure is to take longitudinal texture lath as sandwich layer composite construction material, and its table backing layer from outside to inside symmetry is followed successively by two layers of longitudinal texture veneer 1, is then one deck cross grain veneer 3 and the longitudinal texture veneer 1 of one deck.
Described longitudinal texture veneer carrys out spreading by inclined-plane, and cross grain veneer is spliced by side direction.When veneer and veneer assembly, can only on the contact-making surface of one deck, be coated with the hot setting adhesives such as urea-formaldehyde glue or phenol glue therein, when veneer and particieboard, sawn timber and lath assembly, like this too.
Embodiment 1
The composite construction board that the rectangular flaking laminated timber (OSL) of take is sandwich layer, its structure is as Fig. 1,
Manufacture method comprises as follows:
A, Wooden veneer sorting and arrangement, Wooden veneer moisture content≤9%, veneer is longitudinal milling hypotenuse as required, and tight face and loose side are separated, and by required double spread, adhesive is selected phenol glue, and can add the flour of a certain amount of insect-proof agent and 10% left and right.Double spread amount 320g/m 2;
B, rectangular flaking laminated timber (OSL) are processed, the fixed thick sanding of rectangular flaking laminated timber (OSL) is removed to surface cure glue-line as central layer, the residual small size of sanding adopts manual abrasive finishing machine abrasive finishing, and two OSL direction end sockets are processed into inclined-plane overlap joint shape, and at miter gluing, for preventing inclined-plane overlap joint dislocation, aperture bores in Ke lap-joint, throws small wooden or bamboo pole into and guarantees not misplace;
C, assembly, by Wooden veneer, OSL assembly, upper and lower ply and OSL core are divided into three assembly platforms, at upper and lower forward maximum pressure, be 2.0MPa, keep 8 minutes high-frequency heating, the sheet material that cured panel and assembly are good moves forward simultaneously, guarantees that cured panel rear end also has 35mm in high frequency press, and the sheet material of electronic curing blocks according to Len req at streamline.
After conventional post-production, can obtain finished product composite construction board, this plate thickness is 25~45mm, and the composite construction material that wherein thickness is 30mm can be used as used for bottom plate of container bar timber floor, and its physical and mechanical property is as follows:
MOR∥: ≥ 130 MPa
MOR⊥: ≥ 10 MPa
MOE∥: ≥ 13500 MPa
MOE⊥: ≥ 1000 MPa
Density: 0.75~0.95g/cm 3.
Embodiment 2
The structure of the composite construction board that the sawn timber of take is sandwich layer is as Fig. 2,
Its manufacture method comprises as follows:
A, Wooden veneer sorting and arrangement, Wooden veneer moisture content≤10%, veneer is longitudinal milling hypotenuse as required, and tight face and loose side are separated, and by required double spread, adhesive is selected urea-formaldehyde glue, glue-spread 300g/m 2, in glue, add flour and other additive of 15%;
B, sawn timber are processed, and sawn timber was processed with scraping through super-dry, and thickness is 15~35mm, and the end machining of sheet material is become to finger face, and finger face and side are coated with urea-formaldehyde glue;
C, assembly, by Wooden veneer, sawn timber assembly, upper and lower ply and sawn timber core are divided into three assembly platforms, before entering high frequency press, combine, need be with cylinder by the longitudinal finger part of sawn timber jam-packed during sawn timber assembly, and the lateral distance of the veneer of its upper and lower surface layer is just in time identical or smaller with the width after sandwich layer side direction jam-packed, at forward (vertical panel face) maximum pressure, be 1.8MPa, under the condition of sawn timber side direction maximum pressure 1.6MPa, carry out high-frequency heating, keep 6~9 minutes, after high-frequency heating finishes, the sheet material that cured panel and assembly are good moves forward simultaneously, guarantee that cured panel rear end also has 30mm in pressing plate, sheet material after electronic curing blocks as required.
After conventional post-production, can obtain finished product composite construction board, thickness is the framework that 25~46mm can be used for beam column, balustrade and furniture, its physical and mechanical property is as follows:
MOR∥: ≥ 105 MPa
MOR⊥: ≥ 25 MPa
MOE∥: ≥ 12000 MPa
MOE⊥: ≥ 2500 MPa
Density: 0.70~0.90g/cm 3.
Embodiment 3
The structure of the composite construction board that the edges of boards bar of take is sandwich layer is as Fig. 3,
Its manufacture method comprises as follows:
A, Wooden veneer sorting and arrangement, Wooden veneer moisture content≤10%, veneer is longitudinal milling hypotenuse as required, and tight face and loose side are separated, and by required double spread, adhesive is selected phenol glue, glue-spread 340g/m 2, in glue, add 15% flour;
B, glued board unedged lumber are processed, select glued board for underplate of container, this glued board is about 1,000,000 m3 at Chinese output every year, container bottom board is when saw limit, first on streamline, by sander, determine thick sanding to 28.5mm, at former saw blade, add a saw blade outward again, the distance between two saw blades is about 20~30mm, so just obtain thick 28.5mm, the lath of wide 20~30mm.The thickness change of edge strip is made to width edge-on, and edge strip end face is processed into inclined-plane or finger face.And on inclined-plane (or finger face) and side gluing;
C, assembly, by Wooden veneer and lath assembly, upper and lower ply and lath core are divided into three assembly platforms, lath need be with cylinder by its longitudinal finger part jam-packed when finger assembly, and the lateral distance of the veneer of its upper and lower surface layer is just in time identical or smaller with the width after sandwich layer side direction jam-packed, at forward maximum pressure, be 2.2MPa, lath carries out high-frequency heating under the condition of the highest lateral pressure 1.5MPa, keep 8 minutes, after high-frequency heating finishes, the sheet material that cured panel and assembly are good moves forward simultaneously, guarantee that cured panel rear end also has 30mm in the pressing plate of high frequency press, after solidifying, sheet material blocks according to Len req.
After conventional post-production, can obtain finished product composite construction board, thickness is 30~40mm, this composite construction board can be for train box car base plate, or the bottom girder of automobile bodies etc.Its physical and mechanical property is as follows:
MOR∥: ≥ 95 MPa
MOR⊥: ≥ 30 MPa
MOE∥: ≥ 10500 MPa
MOE⊥: ≥ 3000 MPa
Density: 0.75~0.90g/cm 3.

Claims (2)

1. continuously shaped composite construction material, is characterized in that with each 2~4 layers of longitudinal veneers (1) of top and bottom layer material, and longitudinally veneer adopts mitered and width to adopt splicing at length direction, and the landing edge of the longitudinal veneer of levels is staggered more than 60mm; Or top and bottom layer material respectively adopts 1~4 layer of longitudinal veneer (1) and 1~2 layer of horizontal veneer (3), this horizontal veneer (3) be placed on second and layer 5 in any one deck, the joint style of veneer is the same; Surface material is inwardly particieboard (2); Or surface material is inwardly the longitudinal texture lath (5) behind longitudinal texture sawn timber (4) or veneer saw limit.
2. a kind of continuously shaped composite construction material according to claim 1, is characterized in that described top and bottom layer material is respectively 1~4 layer of longitudinal texture veneer (1) and 1~2 layer of cross grain Wooden veneer (3).
CN201420370009.7U 2014-07-07 2014-07-07 Continuously shaped composite construction material Expired - Fee Related CN203994101U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107825812A (en) * 2017-10-23 2018-03-23 苏明义 A kind of environment friendly light quantifies the preparation method of composite plate
CN113715437A (en) * 2021-09-03 2021-11-30 中国林业科学研究院木材工业研究所 Laminated wood for modular structure and manufacturing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107825812A (en) * 2017-10-23 2018-03-23 苏明义 A kind of environment friendly light quantifies the preparation method of composite plate
CN113715437A (en) * 2021-09-03 2021-11-30 中国林业科学研究院木材工业研究所 Laminated wood for modular structure and manufacturing method thereof

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20170707

CF01 Termination of patent right due to non-payment of annual fee