CN102248569A - Oriented shaving box board and machining process thereof - Google Patents
Oriented shaving box board and machining process thereof Download PDFInfo
- Publication number
- CN102248569A CN102248569A CN2011102051841A CN201110205184A CN102248569A CN 102248569 A CN102248569 A CN 102248569A CN 2011102051841 A CN2011102051841 A CN 2011102051841A CN 201110205184 A CN201110205184 A CN 201110205184A CN 102248569 A CN102248569 A CN 102248569A
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- boxboard
- board
- base plate
- panel
- wood shavings
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Abstract
The invention provides an oriented shaving box board and a machining process thereof, relating to a wood board and a machining process thereof. The oriented shaving box board has the advantages of high strength, high dimension precision, attractive appearance and lower cost while being compared with logs and is formed by bonding and pressurizing a panel, a core board and a bottom board in sequence, wherein the core board is in an oriented shaving board structure; and the panel and the bottom board are formed by 2-6 layers of single boards. The machining process provided by the invention comprises the following step of: a pressurizing and molding procedure: pressing in an environment with pressure of 120-9000 Pa and temperature of 230-280 DEG C. According to the invention, after being mold-pressed in a vacuum environment at high temperature (230-280 DEG C which is slightly higher than a fire point of shavings), the shavings cannot combust due to the vacuum environment and can be carbonized to a low degree so that the core board has the advantages of better compactness and higher strength and hardness as a whole. The oriented shaving box board provided by the invention is a novel structured board material with high additional value of the product; small diameter wood and fast growth wood are sufficiently adopted; the utilization rate of the resources is increased; and the broad prospect is obtained.
Description
Technical field
The present invention relates to a kind of wooden boards and processing technology thereof, relate in particular to a kind of high strength, high-hardness plate and processing technology thereof that is applicable to container, heavy packages case.
Background technology
Container, heavy packages case inside generally need install interior boxboard additional.Adopted log board as boxboard mostly, on the one hand, the border because container, heavy packages case are are often come in and gone out, various countries are some insects immigrations that prevent in the log in the past, check very strictly, delay the haul-cycle time; On the other hand, log resource is rare, and the cost costliness makes the cost of container integral body increase; And, even if log has carried out preprocessing, distortion still appears easily.
The 2008.12.31. of State Intellectual Property Office discloses portion: publication number CN101332614A, the patented technology of title " burnishing surface wood oriented structure chipboard and its Manufacturing approach and use " describes burnishing surface wood oriented structure chipboard and preparation method thereof, purposes in detail.It is more coarse, uneven in order to solve the OSB surface ratio, the problem that the secondary operations production cost improves, provide a kind of by surface layer, sandwich layer, bottom is sticking and form, core structure is wood oriented structure chipboard (OSB), surface layer and bottom are wooden fines layers.According to the burnishing surface wood oriented structure chipboard that this technology is made, can be directly used in supporting plate, Non-skid floor and building panels such as container bottom board, platform floor, industrial base plate, platform base plate, pin hand.
Summary of the invention
The present invention is directed to above problem, a kind of intensity height, dimensional accuracy height are provided, attractive in appearance, and with respect to lower-cost directed wood shavings boxboard of log and processing technology thereof.
Technical scheme of the present invention is: be made of the bonding pressurization of panel, central layer and base plate successively, described central layer is the oriented wood chipboard structure, and described panel and base plate are made of 2 ~ 6 layers of veneer.
Described boxboard general thickness is 28-35mm; Described veneer thickness is 0.8 ~ 2.0mm.
Top layer is clone's veneer in described panel and the base plate.
First kind of processing technology of the present invention may further comprise the steps:
1), central layer is made:
A), the section of timber or other lignocellulose plant fibre raw material, be wood shavings;
B), during wood shavings are laid in mould along the boxboard orientated lengthwise, applying glue again;
C), extrusion forming, make central layer;
2), to press grain direction successively staggered, fit dried panel and base plate, wherein top layer panel is consistent with the boxboard length direction with bottom base plate grain direction, makes described boxboard;
Described step c), extrusion forming operation are to be in to suppress in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment to form.
Under same design, another kind of processing technology of the present invention, may further comprise the steps: the positive and successively bonding veneer of bottom surface difference at central layer, the central layer front is bonded with the semi-finished product slab that panel, base plate are bonded with base plate, then described slab is inserted in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment and suppress.
The present invention is owing to make central layer in mould, make the thickness requirement up to specification of sheet material.Of paramount importancely be, the present invention adopts renewable timber or other lignocellulose raw material as wood shavings, and its cost is extremely low, meets utilization of resources requirement.But generally speaking, renewable timber and other lignocellulose raw material hardness are low, density is little, even if the central layer thickness of making reaches 15-20mm, its resistance to compression, warping resistance intensity are also lower.After the present invention adopted and carries out mold pressing under the vacuum environment high temperature (230-280 ℃, a little more than the burning-point of wood shavings), owing to be in vacuum environment, wood shavings can not burn, and the carbonization of low degree can occur, make that the packing of central layer integral body is better, and intensity, hardness are higher.The present invention is a kind of new structure class sheet material, the added value of product height; Make full use of small dimension wood, fast growing wood, improve resource utilization, its wide prospect is arranged.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is panel among the figure, the 2nd, and central layer, 2a are the wood shavings end faces, and 2b is the wood shavings end faces, and 2c is the wood shavings sides, the 3rd, base plate.
The specific embodiment
The present invention is made of panel 1, central layer 2 and base plate 3 bonding pressurizations as shown in Figure 1 successively, and described central layer 2 is the oriented wood chipboard structure, and described panel 1 and base plate 3 are made of 2 ~ 6 layers of veneer.
Described boxboard general thickness is 28-35mm; Described veneer thickness is 0.8 ~ 2.0mm.
Top layer is clone's veneer in described panel 1 and the base plate 3; Inferior skin also can adopt clone's veneer.
The veneer of other level is generally selected in assortments such as You Jiali, horse traction silk, pine, birch, eucalyptus, glue wood, fast growing wood.
Clone a little less than the wooden gloss, do not have special flavour, the resin smell is often arranged; Texture is straight usually, and structure is slightly thick; Slightly evenly; Natural defect seldom; Heavy in the timber weight to omiting, bronzing.Outstanding markon, i.e. eucalyptus.The horse traction silk for a kind of wood grain is attractive in appearance, has the timber of certain degree of hardness.
First kind of processing technology of the present invention may further comprise the steps:
1), central layer is made:
A), the section of timber or other lignocellulose plant fibre raw material, be wood shavings;
B), during wood shavings are laid in mould along the boxboard orientated lengthwise, applying glue again;
C), extrusion forming, make central layer;
2), to press grain direction successively staggered, fit dried panel and base plate, wherein top layer panel is consistent with the boxboard length direction with bottom base plate grain direction, makes described boxboard;
Described step c), extrusion forming operation are to be in to suppress in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment to form.(pressure when wood shavings are compressed to central layer is: 1.5-4MPa) 5-20 minute to keep certain molding pressure in this link.Subsequently, the pressure when covering the pressure veneer on central layer is 1-3MPa.
Under same design, another kind of processing technology of the present invention, may further comprise the steps: the positive and successively bonding veneer of bottom surface difference at central layer, the central layer front is bonded with the semi-finished product slab that panel, base plate are bonded with base plate, then described slab is inserted in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment and suppress.(pressure when integral body is suppressed is: 1-3MPa to keep certain molding pressure in this link; ) 8-25 minute.
Need to prove about temperature problem: the wood shavings of different assortments, under the situation of different aridity, the burning-point difference.During concrete operations, need to determine burning-point, formulate concrete temperature according to burning-point then, generally better than the high 5-30 of burning-point ℃ effect.When in practice the Aspen wood shavings with some humidity being heated to 290 ℃, changing does not appear in its outward appearance, negative phenomenas such as monolithic wood shavings embrittlement do not occur.
Boxboard through processes of the present invention, temperature is higher than existing technology during its extrusion forming, even reaches more than the timber burning-point, but owing to adopted oxygen-free environment to heat, add molding pressure, make density, the hardness of finished product improve, compression strength and warping resistance intensity increase.Can kill simultaneously harmful substance, parasite in the timber effectively, meet the import and export quarantine request.
Claims (5)
1. a directed wood shavings boxboard is made of the bonding pressurization of panel, central layer and base plate successively, it is characterized in that, described central layer is the oriented wood chipboard structure, and described panel and base plate are made of 2 ~ 6 layers of veneer.
2. a kind of directed wood shavings boxboard according to claim 1 is characterized in that described boxboard general thickness is 28-35mm; Described veneer thickness is 0.8 ~ 2.0mm.
3. a kind of directed wood shavings boxboard according to claim 1 is characterized in that, top layer is clone's veneer in described panel and the base plate.
4. the processing technology of the described directed wood shavings boxboard of claim 1 may further comprise the steps:
1), central layer is made:
A), the section of timber or other lignocellulose plant fibre raw material, be wood shavings;
B), during wood shavings are laid in mould along the boxboard orientated lengthwise, applying glue again;
C), extrusion forming, make central layer;
2), to press grain direction successively staggered, fit dried panel and base plate, wherein top layer panel is consistent with the boxboard length direction with bottom base plate grain direction, makes described boxboard;
It is characterized in that described step c), extrusion forming operation are to be in to suppress in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment to form.
5. the processing technology of the described directed wood shavings boxboard of claim 1, may further comprise the steps: the positive and successively bonding veneer of bottom surface difference at central layer, the central layer front is bonded with the semi-finished product slab that panel, base plate are bonded with base plate, it is characterized in that, then described slab is inserted in pressure 120 ~ 9000Pa, temperature 230-280 ℃ the environment and suppress.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102051841A CN102248569B (en) | 2011-07-21 | 2011-07-21 | Oriented shaving box board and machining process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102051841A CN102248569B (en) | 2011-07-21 | 2011-07-21 | Oriented shaving box board and machining process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102248569A true CN102248569A (en) | 2011-11-23 |
| CN102248569B CN102248569B (en) | 2012-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102051841A Active CN102248569B (en) | 2011-07-21 | 2011-07-21 | Oriented shaving box board and machining process thereof |
Country Status (1)
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| CN (1) | CN102248569B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886808A (en) * | 2012-11-06 | 2013-01-23 | 江苏快乐木业集团有限公司 | Oriented shaving board and preparation method thereof |
| CN102896683A (en) * | 2012-11-06 | 2013-01-30 | 江苏快乐木业集团有限公司 | Directed wood shaving board and preparation method thereof |
| CN102909762A (en) * | 2012-10-19 | 2013-02-06 | 茂友木材股份有限公司 | Production method for bamboo-wood composite board |
| CN102909772A (en) * | 2012-11-06 | 2013-02-06 | 江苏快乐木业集团有限公司 | Directional shaving board and manufacturing method thereof |
| CN102922586A (en) * | 2012-11-06 | 2013-02-13 | 江苏快乐木业集团有限公司 | Oriented strand board and preparation method thereof |
| CN103072172A (en) * | 2012-12-13 | 2013-05-01 | 江苏快乐木业集团有限公司 | Boxboard based on high-density oriented strand board and processing method thereof |
| CN106042124A (en) * | 2016-06-08 | 2016-10-26 | 安徽汇力建筑工程有限公司 | Production method of light heat-preservation curtain wall material |
| CN107471392A (en) * | 2017-08-25 | 2017-12-15 | 安徽智博新材料科技有限公司 | A kind of particieboard of low burst size of methanal and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1067399A (en) * | 1991-06-05 | 1992-12-30 | 蛇口招商无胶人造板新技术有限公司 | Lignocellulosic materials is made glue-free artificial board's commercial run and equipment |
| CN1245854A (en) * | 1998-06-26 | 2000-03-01 | 住友化学工业株式会社 | Processed timber |
| CN1583526A (en) * | 2004-05-25 | 2005-02-23 | 河南黄河林业股份有限公司 | Baseboard plywood of high-intensity composite container |
| US20050136234A1 (en) * | 2003-12-19 | 2005-06-23 | Gijsbertus Hak | Plank for interior use |
| CN202137819U (en) * | 2011-07-21 | 2012-02-08 | 江苏快乐木业集团有限公司 | Oriented shaving box board |
-
2011
- 2011-07-21 CN CN2011102051841A patent/CN102248569B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1067399A (en) * | 1991-06-05 | 1992-12-30 | 蛇口招商无胶人造板新技术有限公司 | Lignocellulosic materials is made glue-free artificial board's commercial run and equipment |
| CN1245854A (en) * | 1998-06-26 | 2000-03-01 | 住友化学工业株式会社 | Processed timber |
| US20050136234A1 (en) * | 2003-12-19 | 2005-06-23 | Gijsbertus Hak | Plank for interior use |
| CN1583526A (en) * | 2004-05-25 | 2005-02-23 | 河南黄河林业股份有限公司 | Baseboard plywood of high-intensity composite container |
| CN202137819U (en) * | 2011-07-21 | 2012-02-08 | 江苏快乐木业集团有限公司 | Oriented shaving box board |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909762A (en) * | 2012-10-19 | 2013-02-06 | 茂友木材股份有限公司 | Production method for bamboo-wood composite board |
| CN102886808A (en) * | 2012-11-06 | 2013-01-23 | 江苏快乐木业集团有限公司 | Oriented shaving board and preparation method thereof |
| CN102896683A (en) * | 2012-11-06 | 2013-01-30 | 江苏快乐木业集团有限公司 | Directed wood shaving board and preparation method thereof |
| CN102909772A (en) * | 2012-11-06 | 2013-02-06 | 江苏快乐木业集团有限公司 | Directional shaving board and manufacturing method thereof |
| CN102922586A (en) * | 2012-11-06 | 2013-02-13 | 江苏快乐木业集团有限公司 | Oriented strand board and preparation method thereof |
| CN103072172A (en) * | 2012-12-13 | 2013-05-01 | 江苏快乐木业集团有限公司 | Boxboard based on high-density oriented strand board and processing method thereof |
| CN103072172B (en) * | 2012-12-13 | 2013-12-11 | 江苏快乐木业集团有限公司 | Boxboard based on high-density oriented strand board and processing method thereof |
| CN106042124A (en) * | 2016-06-08 | 2016-10-26 | 安徽汇力建筑工程有限公司 | Production method of light heat-preservation curtain wall material |
| CN107471392A (en) * | 2017-08-25 | 2017-12-15 | 安徽智博新材料科技有限公司 | A kind of particieboard of low burst size of methanal and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102248569B (en) | 2012-11-28 |
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