CN101367218A - Method for manufacturing composite board for bottom board of container - Google Patents
Method for manufacturing composite board for bottom board of container Download PDFInfo
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- CN101367218A CN101367218A CNA2008100589909A CN200810058990A CN101367218A CN 101367218 A CN101367218 A CN 101367218A CN A2008100589909 A CNA2008100589909 A CN A2008100589909A CN 200810058990 A CN200810058990 A CN 200810058990A CN 101367218 A CN101367218 A CN 101367218A
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Abstract
The invention provides a method for manufacturing a veneer used for a bottom board of a container, and belongs to the process of hard board molding, in particular to a process for molding the bottom board of the container by cold pressing or low-temperature hot pressing. The process comprises the following steps: a baseplate is molded through high-temperature hot press and is manufactured into even thickness by a contact calibrating machine; then, glue is applied to a surface layer and a bottom layer of the baseplate, so that the surface layer and the bottom layer are respectively bonded with a face board and the bottom board, and are molded through process of cold press or low-temperature hot press. In the process of cold press or low-temperature hot press, the temperature is lower than 60 DEG C, the pressure is between 1.2 and 1.8Mpa, and the period is between 5 and 40 minutes; and the glue applied to the surface layer and the bottom layer of the baseplate is epoxide resin AB glue. In a composite board manufactured by the process for the bottom board of the container, the baseplate, the face board and the bottom board can be bonded only by cold press or low-temperature hot press without high-temperature hot press, so that the defects that the internal mechanical property of the baseplate is destroyed caused by secondary high-temperature hot press, the surface of the bottom board is cracked or bubbled and the like can be overcome, and the rate of finished products is greatly improved, thereby saving materials, and having certain significance to the protection of wood resource.
Description
Technical field
The invention belongs to artificial board shaping technology, especially a kind of composite board for bottom board of container is colded pressing or the low temperature and pressure moulding process.
Background technology
At present, because the development of international logistics industry and decorative craft of building, the wood-based plate consumption sharply increases, clone's wood of natural virgin forest and hardwood more and more can not satisfy the demand in market, therefore container bottom board market has occurred adopting artificial fast-growing woods wood such as resourceful common seeds willow, pine, larch, bamboo, oak and birch to be base material, and panel and base plate are still used the plate of the hardwood seeds of clone's wood or similar clone's wood.But these plates are according to the container bottom board production technology of routine, its product strength performance does not reach requirement, and because of its density of different seeds, physical characteristic, pH value, veneer thickness size inequality, glue content inequality, the unequal reason of veneer moisture content, the quality shakiness causes bubbling easily, comes unstuck in process of production.Therefore,,, adopt special new production method, can guarantee properties of product, satisfy the quality requirement of composite plate, and reduce manufacturing cost according to the characteristic of various timber for addressing this problem.
Traditional container bottom board manufacturing technology is to adopt the multi-daylight press hot press forming technology, its thickness tolerance is big, also must be after the general moulding through together fixed thick sanding operation, but because the thickness deviation that has is big, after the contact calibrating machine sanding, sand has been worn the ply of face base plate, causes waste product, need again veneer processing, promptly carry out the secondary hot pressing moulding.And traditional wood-based plate adhesive is to adopt water-soluble phenolic resin adhesive or other improvement property glue or melamine glue, generally needs through the high temperature hot pressing between 125 ℃～140 ℃ of hot presses 30-60 minute.And after above-mentioned basic adhesive passes through the hot pressing of secondary equality of temperature again, its bonding strength has been subjected to heavy damage, cause the physical property of container bottom board not reach the requirement that meets standard GB/T19536-2004, like this, the waste product that causes in the artificial panel technology is more, can not make full use of raw material, cause very big waste.
Summary of the invention
To be solved by this invention is exactly that the fixed thick sanding sand of container bottom board is worn the face base plate, the hot pressing of secondary veneer then destroys the performance of adhesive, make that the inner mechanical property of substrate is the problem that MOR and elastic modelling quantity are damaged, a kind of moulding process of composite board for bottom board of container is provided.
Composite board for bottom board of container moulding process of the present invention, it is characterized in that substrate is at first molded and make all thick through contact calibrating machine through elevated temperature heat, after substrate surface layer and bottom are executed cloth glue respectively, fit then, pass through cold-press process or low temperature and pressure technological forming again with panel and base plate.
Wherein, in cold-press process or the low temperature and pressure technology, temperature is less than 60 ℃, pressure 1.2～1.8mpa, 5～40 minutes time.
To execute the glue of cloth be epoxide resin AB glue for substrate surface layer and bottom in cold-press process or the low temperature and pressure technology, makes the top and bottom bottom of composite board for bottom board of container have better water-proof function and resistance to compression function.
Composite board for bottom board of container substrate among the present invention is by the Wooden veneer of rotary-cut and oven dry or bamboo mat, bamboo curtain splint, bamboo shaving separately or mix, behind gluing, spray glue, impregnation, through lap over, assembly or orienting spreading, again through the substrate of HTHP moulding.
Composite board for bottom board of container by this technology making, substrate and panel, base plate sticking and the time do not need high temperature hot pressing, through colding pressing or low temperature and pressure gets final product, make the inner mechanical property of substrate not because of being damaged after the hot pressing of secondary high temperature, the backplate surface cracking, play shortcoming such as bubbling.Yield rate is provided greatly, thereby has also saved material, the protection timber resources has been had certain meaning.
The specific embodiment
Embodiment 1, adopts thickness 0.8mm, width 1210mm, clone's wood of length 2460mm is done panel and base plate, the Wooden veneer of rotary-cut and oven dry behind gluing, spray glue, impregnation, through lap over, assembly, is molded into substrate through HTHP again, execute epoxide resin AB glue on the bottom surface and the surface of substrate again, again panel and base plate are attached on the top and bottom of wooden substrate, enter cold press and cold pressing, 60 ℃ of cold press temperature, pressure 1.2mpa pressed 5 minutes.
Embodiment 2, adopt thickness 0.8mm, length 2400mm, width 1200mm, clone's wood do panel and base plate, bamboo shaving is behind gluing, spray glue, impregnation, through lap over, orienting spreading, again through the oriented structure substrate of HTHP moulding.Epoxide resin AB glue is executed on substrate bottom surface and surface, panel and base plate is attached on the top and bottom of bamboo oriented structure substrate again, and enter cold press and cold pressing, 50 ℃ of cold press temperature, pressure 1.8mpa pressed 40 minutes.
Claims (4)
1. the manufacture method of a composite board for bottom board of container, it is characterized in that substrate is at first molded through elevated temperature heat, substrate after the moulding is made equal thick substrate through contact calibrating machine again, after substrate surface layer and bottom are executed cloth glue respectively, fit then, pass through cold-press process or low temperature and pressure technological forming again with panel and base plate.
2. the manufacture method of a kind of composite board for bottom board of container according to claim 1 is characterized in that in cold-press process or the low temperature and pressure technology, and temperature is less than 60 ℃, pressure 1.2～1.8mpa, 5～40 minutes time.
3. the manufacture method of a kind of composite board for bottom board of container according to claim 1 is characterized in that it is epoxide resin AB glue that substrate surface layer and bottom in the cold-press process are executed the glue of cloth.
4. the manufacture method of a kind of composite board for bottom board of container according to claim 1, it is characterized in that substrate is mixed by the Wooden veneer of rotary-cut and oven dry or bamboo mat, bamboo curtain splint, bamboo wood or bamboo wood or the wood oriented structure wood shavings separately or mix and form, behind gluing, spray glue, impregnation, through lap over, assembly or orienting spreading, again through the substrate of HTHP moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100589909A CN101367218A (en) | 2008-09-27 | 2008-09-27 | Method for manufacturing composite board for bottom board of container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100589909A CN101367218A (en) | 2008-09-27 | 2008-09-27 | Method for manufacturing composite board for bottom board of container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101367218A true CN101367218A (en) | 2009-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100589909A Pending CN101367218A (en) | 2008-09-27 | 2008-09-27 | Method for manufacturing composite board for bottom board of container |
Country Status (1)
| Country | Link |
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| CN (1) | CN101367218A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285170A (en) * | 2011-04-27 | 2011-12-21 | 云南永利发林业有限公司 | Full-bamboo container plate with bamboo curtain or mat surface layer and one-step forming and manufacturing process thereof |
| CN102744748A (en) * | 2012-04-25 | 2012-10-24 | 安徽新河竹业有限公司 | I-shaped glued laminated bamboo furniture plate and processing method thereof |
| CN102773886A (en) * | 2012-07-25 | 2012-11-14 | 国际竹藤中心 | Composite structure plate of recombination bamboo wood and medium-density fiberboard and manufacture method thereof |
| CN110000886A (en) * | 2019-05-10 | 2019-07-12 | 陈彦 | The production and processing technology of container bottom board |
| CN112248139A (en) * | 2020-10-15 | 2021-01-22 | 南京林业大学 | Carbon fiber reinforced bamboo flattening composite board for carriage bottom board and manufacturing method thereof |
-
2008
- 2008-09-27 CN CNA2008100589909A patent/CN101367218A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102285170A (en) * | 2011-04-27 | 2011-12-21 | 云南永利发林业有限公司 | Full-bamboo container plate with bamboo curtain or mat surface layer and one-step forming and manufacturing process thereof |
| CN102285170B (en) * | 2011-04-27 | 2014-01-22 | 云南永利发林业有限公司 | Full-bamboo container plate with bamboo curtain or mat surface layer and one-step forming and manufacturing process thereof |
| CN102744748A (en) * | 2012-04-25 | 2012-10-24 | 安徽新河竹业有限公司 | I-shaped glued laminated bamboo furniture plate and processing method thereof |
| CN102744748B (en) * | 2012-04-25 | 2014-11-26 | 安徽新河竹业有限公司 | I-shaped glued laminated bamboo furniture plate and processing method thereof |
| CN102773886A (en) * | 2012-07-25 | 2012-11-14 | 国际竹藤中心 | Composite structure plate of recombination bamboo wood and medium-density fiberboard and manufacture method thereof |
| CN110000886A (en) * | 2019-05-10 | 2019-07-12 | 陈彦 | The production and processing technology of container bottom board |
| CN110000886B (en) * | 2019-05-10 | 2021-02-02 | 陈彦 | Production and processing technology of container bottom plate |
| CN112248139A (en) * | 2020-10-15 | 2021-01-22 | 南京林业大学 | Carbon fiber reinforced bamboo flattening composite board for carriage bottom board and manufacturing method thereof |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090218 |