CN104227803A - Manufacturing process for strong-strength and high-toughness composite wood - Google Patents
Manufacturing process for strong-strength and high-toughness composite wood Download PDFInfo
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- CN104227803A CN104227803A CN201410467820.1A CN201410467820A CN104227803A CN 104227803 A CN104227803 A CN 104227803A CN 201410467820 A CN201410467820 A CN 201410467820A CN 104227803 A CN104227803 A CN 104227803A
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Abstract
The invention discloses a manufacturing process for strong-strength and high-toughness composite wood. The manufacturing process comprises the following steps of 1, adding adhesive glue in an amount which is 5 to 8 percent based on the total weight into wood fibers, and uniformly mixing the adhesive glue and the wood fibers to form a wood fiber mixture; 2, stacking the obtained wood fiber mixture on a bottom plate, uniformly laying determined layers of bamboo boards in the wood fiber mixture, and laying a panel on the upper layer of the wood fiber mixture to form prefabricated composite wood; 3, performing cold pressing on the formed prefabricated composite wood by using a cold press; 4, hot-pressing the cold-pressed prefabricated composite wood by using a hot press. According to the process, the hot pressing temperature, time and pressure can be dynamically regulated according to the increase of density of the wood fibers and the number of layers of the bamboo boards, and the hot-pressed composite wood can be endowed with stronger strength and higher toughness.
Description
Technical field
The present invention relates to the manufacturing technology field of wood composite, more particularly, particularly a kind of manufacturing process of high-intensity high-tenacity wood composite.
Background technology
In building and finishing field, timber is used to make various furniture widely.In order to save material, reduce costs and realize the recycling of refuse, someone devises wood composite and carrys out alternative solid wood, as shown in Figure 1, the wood-fibred 2 that wood composite comprises base plate 1, panel 4 and is laid between base plate 1 and panel 4, and at least one deck bamboo chip 3 is also arranged with uniformly in wood-fibred 2.But can't realize high strength and high high tenacity function in prior art in processing, the manufacturing process how designing a kind of high-intensity high-tenacity wood composite is one of direction of studying of those skilled in the art.
Summary of the invention
The manufacturing process of the high-intensity high-tenacity wood composite that the object of the present invention is to provide a kind of technique simple, convenient and practical.
In order to achieve the above object, the technical solution used in the present invention is as follows:
A manufacturing process for high-intensity high-tenacity wood composite, comprises the area determining base plate and panel, and determine the density of wood-fibred and determine the number of plies of bamboo clappers, this manufacturing process is further comprising the steps of:
S1, add in wood-fibred account for gross weight than be 5 ~ 8% adhesive glue after mix again and become wood-fibred mixture;
S2, the wood-fibred mixture obtained in step S1 to be overlayed on base plate, and in wood-fibred mixture the uniform number of plies of laying the above-mentioned bamboo clappers determined, then lay panel on the upper strata of wood-fibred mixture, form a prefabricated wood composite;
S3, employing cold press are colded pressing to the prefabricated wood composite formed in step S2;
S4, hot press is adopted to carry out hot pressing to the prefabricated wood composite after colding pressing in step S3, and in this hot pressing, according to the density size of the wood-fibred in wood-fibred mixture, when the number of plies of bamboo clappers is one deck, determine that the temperature range of described hot pressing is 150 ~ 200 DEG C, time range is 10 ~ 20 minutes and pressure limit is 1200 ~ 2000 tons, and when the number of plies of bamboo clappers increases successively, the temperature of above-mentioned hot pressing, time and pressure are multiplied.
Preferably, the density range of described wood-fibred be 600 ~ 850kg/m
3, and often increase 50kg/m in the density of wood-fibred
3time, the temperature of hot pressing increases by 30 ~ 50 DEG C, and the time of hot pressing increases by 2 minutes, and the pressure of hot pressing increases by 2000 tons.
Preferably, time of colding pressing in described step S3 be 3 ~ 5 minutes, and the pressure of colding pressing is 800 ~ 1000 tons.
Preferably, in wood-fibred, lay bamboo clappers in described step S2 concrete steps be lay according to the method for one deck wood-fibred one deck bamboo clappers.
Preferably, the thickness of the wood-fibred between described base plate and panel be 2 ~ 3 centimetres, and the spacing between two bamboo clappers adjacent in every one deck bamboo clappers is 2 ~ 3 centimetres.
Preferably, described base plate and panel in the same size, the wide * of its long * is thick is 183 centimetres * 91.58 centimetres * 1.8 millimeters, or the wide * of its long * is thick is 244 centimetres * 122 centimetres * 1.8 millimeters.
Preferably, described wood-fibred be particle or the wood shavings of poplar or pine.
Compared with prior art, the invention has the advantages that: the present invention adopts the density of wood-fibred to control the temperature of hot pressing, time and pressure accurately, and can regulate the temperature of hot pressing, time and pressure dynamically according to the increase of the increase of wood-fibred density and the bamboo clappers number of plies, the wood composite that hot pressing can be made to go out has higher intensity and toughness.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of high-intensity high-tenacity wood composite in prior art.
Fig. 2 is the flow chart of the manufacturing process of high-intensity high-tenacity wood composite of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Embodiment one
Determine that the area of base plate 1 and panel 4 is (namely long * is wide) 183 centimetres * 91.58 centimetres, thickness is 1.8 millimeters, and the density of wood-fibred 2 is 600kg/m
3, adopt poplar particle, bamboo clappers 3 adopts one deck, consults shown in Fig. 1, and the manufacturing process of concrete wood composite is:
The first step, density according to wood-fibred 2, add in wood-fibred 2 account for gross weight than be 5% adhesive glue after mix again, formation wood-fibred mixture;
Second step, ready wood-fibred mixture in the first step is overlayed on base plate 1 uniformly, and lay one deck bamboo clappers 3 uniformly in the mixture, the spacing of bamboo clappers 3 adjacent in each bamboo clappers layer is 2 centimetres, then lays panel 4 on the upper strata of mixture, forms a prefabricated wood composite;
3rd step, employing cold press are colded pressing to the prefabricated wood composite formed in second step, and the time of colding pressing is 3 minutes, and the pressure of colding pressing is 800 tons;
4th step, hot press is adopted to carry out hot pressing to the wood composite after colding pressing in the 3rd step, the temperature of hot pressing is 150 DEG C, and the time is 10 minutes, and pressure is 1200 tons, after hot pressing completing, namely forming shaping wood composite, by testing this wood composite known, there is higher intensity and toughness.In the process, if when the number of plies of bamboo clappers 3 increases successively, the temperature of above-mentioned hot pressing, time and pressure are multiplied, as described in embodiment two.
Embodiment two
Be with the difference of embodiment one in the present embodiment, bamboo clappers 3 adopts two layers, and manufacturing process is now:
The first step, density according to wood-fibred 2, add in wood-fibred 2 account for gross weight than be 5% adhesive glue after mix again, formation wood-fibred mixture;
Second step, the ready wood-fibred of institute 2 in the first step is overlayed on base plate 1 with adhesive glue mixture uniformly, and two layers of bamboo clappers 3 are laid uniformly in wood-fibred mixture, the spacing of bamboo clappers 3 adjacent in each bamboo clappers layer is 2 centimetres, the thickness of the wood-fibred layer between two adjacent bamboo clappers 3 is 2 centimetres, lay panel 4 on the upper strata of wood-fibred mixture again, form a prefabricated wood composite;
3rd step, employing cold press are colded pressing to the prefabricated wood composite formed in second step, and the time of colding pressing is 4 minutes, and the pressure of colding pressing is 900 tons;
4th step, adopt hot press to carry out hot pressing to the wood composite after colding pressing in the 3rd step, the temperature of hot pressing is 150 DEG C, and the time is 20 minutes, and pressure is 1200 tons, after hot pressing completes, namely form shaping wood composite.
Embodiment three
Determine that the area of base plate 1 and panel 4 is (namely long * is wide) 183 centimetres * 91.58 centimetres, thickness is 1.8 millimeters, and the density of wood-fibred 2 is 650kg/m
3, adopt pine wood shavings, bamboo clappers 3 adopts one deck, and the manufacturing process of concrete wood composite is:
The first step, density according to wood-fibred 2, add in wood-fibred 2 account for gross weight than be 8% adhesive glue after mix again, formation wood-fibred mixture;
Second step, the ready wood-fibred of institute 2 in the first step is overlayed on base plate 1 with adhesive glue mixture uniformly, and one deck bamboo clappers 3 is laid uniformly in wood-fibred mixture, the spacing of bamboo clappers 3 adjacent in each bamboo clappers layer is 3 centimetres, lay panel 4 on the upper strata of wood-fibred mixture again, form a prefabricated wood composite;
3rd step, employing cold press are colded pressing to the prefabricated wood composite formed in second step, and the time of colding pressing is 4 minutes, and the pressure of colding pressing is 950 tons;
4th step, adopt hot press to carry out hot pressing to the wood composite after colding pressing in the 3rd step, the temperature of hot pressing is 180 DEG C, and the time is 12 minutes, and pressure is 1400 tons, after hot pressing completes, namely form shaping wood composite.
Embodiment four
Determine that the area of base plate 1 and panel 4 is (namely long * is wide) 244 centimetres * 122 centimetres, thickness is 1.8 millimeters, and the density of wood-fibred 2 is 850kg/m
3, adopt pine wood shavings, bamboo clappers 3 adopts two layers, and the manufacturing process of concrete wood composite is:
The first step, density according to wood-fibred 2, add in wood-fibred 2 account for gross weight than be 8% adhesive glue after mix again, formation wood-fibred mixture;
Second step, the ready wood-fibred of institute 2 in the first step is overlayed on base plate 1 with adhesive glue mixture uniformly, and two layers of bamboo clappers 3 are laid uniformly in wood-fibred mixture, the spacing of bamboo clappers 3 adjacent in each bamboo clappers layer is 3 centimetres, the thickness of the wood-fibred layer between two adjacent bamboo clappers 3 is 3 centimetres, lay panel 4 on the upper strata of wood-fibred mixture again, form a prefabricated wood composite;
3rd step, employing cold press are colded pressing to the prefabricated wood composite formed in second step, and the time of colding pressing is 5 minutes, and the pressure of colding pressing is 1000 tons;
4th step, adopt hot press to carry out hot pressing to the wood composite after colding pressing in the 3rd step, the temperature of hot pressing is 300 DEG C, and the time is 20 minutes, and pressure is 2000 tons, after hot pressing completes, namely form shaping wood composite.
Although describe embodiments of the present invention by reference to the accompanying drawings; but patent owner can make various distortion or amendment within the scope of the appended claims; as long as be no more than the protection domain described by claim of the present invention, all should within protection scope of the present invention.
Claims (7)
1. the manufacturing process of a high-intensity high-tenacity wood composite, comprise the area determining base plate (1) and panel (4), determine the density of wood-fibred (2) and determine the number of plies of bamboo clappers (3), it is characterized in that, this manufacturing process is further comprising the steps of:
S1, add in the wood-fibred (2) account for gross weight than be 5 ~ 8% adhesive glue after mix again and become wood-fibred mixture;
S2, the wood-fibred mixture obtained in step S1 is overlayed on base plate (1), and in wood-fibred mixture, lay the number of plies of the above-mentioned bamboo clappers (3) determined uniformly, lay panel (4) on the upper strata of wood-fibred mixture again, form a prefabricated wood composite;
S3, employing cold press are colded pressing to the prefabricated wood composite formed in step S2;
S4, hot press is adopted to carry out hot pressing to the prefabricated wood composite after colding pressing in step S3, and in this hot pressing, according to the density size of the wood-fibred in wood-fibred mixture, when the number of plies of bamboo clappers (3) is one deck, determine that the temperature range of described hot pressing is 150 ~ 200 DEG C, time range is 10 ~ 20 minutes and pressure limit is 1200 ~ 2000 tons, and when the number of plies of bamboo clappers (3) increases successively, the temperature of above-mentioned hot pressing, time and pressure are multiplied.
2. the manufacturing process of high-intensity high-tenacity wood composite according to claim 1, is characterized in that, the density range of described wood-fibred (2) is 600 ~ 850kg/m
3, and often increase 50kg/m in the density of wood-fibred (2)
3time, the temperature of hot pressing increases by 30 ~ 50 DEG C, and the time of hot pressing increases by 2 minutes, and the pressure of hot pressing increases by 200 tons.
3. the manufacturing process of high-intensity high-tenacity wood composite according to claim 1, is characterized in that, the time of colding pressing in described step S3 is 3 ~ 5 minutes, and the pressure of colding pressing is 800 ~ 1000 tons.
4. the manufacturing process of high-intensity high-tenacity wood composite according to claim 1, it is characterized in that, the concrete steps of laying bamboo clappers (3) in described step S2 in wood-fibred (2) are lay according to the method for one deck wood-fibred one deck bamboo clappers.
5. the manufacturing process of high-intensity high-tenacity wood composite according to claim 4, it is characterized in that, the thickness of the wood-fibred between described base plate (1) and panel (4) is 2 ~ 3 centimetres, and the spacing between two bamboo clappers adjacent in every one deck bamboo clappers is 2 ~ 3 centimetres.
6. the manufacturing process of the high-intensity high-tenacity wood composite according to claim 1 to 5 any one, it is characterized in that, described base plate (1) and panel (4) in the same size, the wide * of its long * is thick is 183 centimetres * 91.58 centimetres * 1.8 millimeters, or the wide * of its long * is thick is 244 centimetres * 122 centimetres * 1.8 millimeters.
7. the manufacturing process of the high-intensity high-tenacity wood composite according to claim 1 to 5 any one, is characterized in that, the particle that described wood-fibred (2) is poplar or pine or wood shavings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410467820.1A CN104227803A (en) | 2014-09-15 | 2014-09-15 | Manufacturing process for strong-strength and high-toughness composite wood |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410467820.1A CN104227803A (en) | 2014-09-15 | 2014-09-15 | Manufacturing process for strong-strength and high-toughness composite wood |
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| CN104227803A true CN104227803A (en) | 2014-12-24 |
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| CN201410467820.1A Pending CN104227803A (en) | 2014-09-15 | 2014-09-15 | Manufacturing process for strong-strength and high-toughness composite wood |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738176A (en) * | 2016-12-20 | 2017-05-31 | 重庆名风家俱有限公司 | A kind of manufacture craft of ecological door |
| CN107355056A (en) * | 2017-08-08 | 2017-11-17 | 巴洛克木业(中山)有限公司 | A kind of five-layer structure printing solid wooden floor board and its manufacture method |
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| CN1037865A (en) * | 1989-03-10 | 1989-12-13 | 崔木兰 | A kind of manufacture method of wooden decorative sheet |
| CN2261329Y (en) * | 1996-03-26 | 1997-09-03 | 南京林业大学 | Bamboo-wood composite multi-ply |
| CN2556018Y (en) * | 2002-06-10 | 2003-06-18 | 深圳市巨星实业有限公司 | Composite artificial board of bamboo-wood shavings |
| US20050153150A1 (en) * | 2003-08-27 | 2005-07-14 | Rob Wellwood | Container flooring material and method of manufacture |
| CN1868700A (en) * | 2006-06-05 | 2006-11-29 | 南通新洋环保板业有限公司 | Manufacturing method of bamboo wood composite container baseboard |
| CN203031701U (en) * | 2012-12-19 | 2013-07-03 | 宿迁市欣鑫阳光木业有限公司 | Composite plywood |
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2014
- 2014-09-15 CN CN201410467820.1A patent/CN104227803A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037865A (en) * | 1989-03-10 | 1989-12-13 | 崔木兰 | A kind of manufacture method of wooden decorative sheet |
| CN2261329Y (en) * | 1996-03-26 | 1997-09-03 | 南京林业大学 | Bamboo-wood composite multi-ply |
| CN2556018Y (en) * | 2002-06-10 | 2003-06-18 | 深圳市巨星实业有限公司 | Composite artificial board of bamboo-wood shavings |
| US20050153150A1 (en) * | 2003-08-27 | 2005-07-14 | Rob Wellwood | Container flooring material and method of manufacture |
| CN1868700A (en) * | 2006-06-05 | 2006-11-29 | 南通新洋环保板业有限公司 | Manufacturing method of bamboo wood composite container baseboard |
| CN203031701U (en) * | 2012-12-19 | 2013-07-03 | 宿迁市欣鑫阳光木业有限公司 | Composite plywood |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738176A (en) * | 2016-12-20 | 2017-05-31 | 重庆名风家俱有限公司 | A kind of manufacture craft of ecological door |
| CN106738176B (en) * | 2016-12-20 | 2019-02-15 | 重庆名风家俱有限公司 | A kind of manufacture craft of ecological door |
| CN107355056A (en) * | 2017-08-08 | 2017-11-17 | 巴洛克木业(中山)有限公司 | A kind of five-layer structure printing solid wooden floor board and its manufacture method |
| CN107355056B (en) * | 2017-08-08 | 2023-11-17 | 巴洛克木业(中山)有限公司 | Five-layer structure printed solid wood floor and manufacturing method thereof |
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Application publication date: 20141224 |