CN1463837A - Process for manufacturing base plate using small caliber bamboo wood - Google Patents
Process for manufacturing base plate using small caliber bamboo wood Download PDFInfo
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- CN1463837A CN1463837A CN 02112094 CN02112094A CN1463837A CN 1463837 A CN1463837 A CN 1463837A CN 02112094 CN02112094 CN 02112094 CN 02112094 A CN02112094 A CN 02112094A CN 1463837 A CN1463837 A CN 1463837A
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Abstract
The present invention is the method of utilizing small bamboo in making bamboo board. The production process includes preparing material, cutting, breaking into bamboo strips, gluing, combining bamboo blank and pressing; and features breaking the cut bamboo into irregular bamboo strips with green bamboo part and yellow bamboo part, and roughing the surface of the bamboo strips to increase adhering strength. The present invention expands the material range for bamboo board via utilizing small bamboo material, raises the utilization of bamboo material and has lowered bamboo board making cost.
Description
[technical field]
The present invention relates to a kind of manufacture method of laminate, especially a kind of method of utilizing small caliber bamboo wood to make substrate.
[background technology]
The advantage that bamboo is big with its intensity, hardness is high, wearability is strong and can replace timber and be used widely in the making sheet industry is such as being used to make sheet materials such as bamboo matter template, bamboo-wood plyboard.These sheet materials usually with substrate as sandwich layer, paste surface layer in the one or both sides of substrate again and form.The preparation substrate adopts two kinds of methods usually: a kind of is that bamboo is gone green grass or young crops, goes yellow back subdivision (or riving) to become thin bamboo strips used for weaving and bamboo chip, again thin bamboo strips used for weaving or bamboo chip is woven into bamboo curtain splint or bamboo mat, afterwards the compression moulding of gluing assembly; Another kind is that bamboo is gone green grass or young crops, goes yellow back subdivision (or riving) to become thin bamboo strips used for weaving and bamboo chip, and thin bamboo strips used for weaving or bamboo chip slicing are become cross section is the bamboo chip unit of rectangle, again with this bamboo chip unit gluing assembly compression moulding.In order to guarantee that the bamboo chip unit after the gluing mutually combines and substrate intensity unanimity, they must be removed surf green, tabasheer, and thin bamboo strips used for weaving or bamboo chip that subdivision (or riving) becomes need have same width and thickness.These two kinds of methods can only utilize that bore is big, the bamboo wood of wall thickness is raw material processing and manufacturing substrate, and can't carry out processing and manufacturing to the little bamboo wood of bore; Simultaneously, these two kinds of methods also comprise operations such as shaping, slicing, also need dispose special process equipments such as planing machine, and technology is numerous and diverse, the processing request height, and the utilization rate of bamboo wood is low, manufacturing cost is high; Because the intensity maximum of surf green in bamboo wood, go the thin bamboo strips used for weaving behind the green grass or young crops or the intensity of bamboo chip to be subjected to certain loss, finally influence the intensity of substrate.In addition, the bamboo chip of also useful band surf green, tabasheer prepares the method for substrate, for example publication number is the application for a patent for invention of CN1322887A, the technical scheme that the disclosed name of its prospectus is called " self-bearing movable bamboo floor board " relates to this method, this method requires bamboo chip wide isometric, and must penetrate in the hole with the bamboo pin that scribbles glue again in the boring of the same position of bamboo chip, wide of bamboo chip is adjacent to mutually and is connected into substrate.The position of using this method to hole on bamboo chip is very accurate, and processing request is too high, and difficulty is big, and the substrate surface that produces has radian, and out-of-flatness must could be used as substrate and use after slicing, thereby surf green and tabasheer is removed equally; In order to guarantee the intensity of substrate, bamboo chip should have enough thickness (greater than 5 millimeters), for boring, can only carry out processing and manufacturing by bamboo wood big to bore, wall thickness equally, and can not carry out processing and manufacturing to the little bamboo wood of bore; And the bonding strength between the bamboo chip mainly relies on the connection of bamboo pin, and the substrate that produces is difficult to reach quality requirement.
In sum, the existing method of utilizing bamboo wood to make substrate has following defective: (1) can only adopt bore big, the bamboo wood of wall thickness (such as the mao bamboon of selecting for use diameter greater than 8 centimetres usually) processing and manufacturing substrate, and bamboo wood that can not be little to bore is (such as diameter usually less than 8 centimetres the mao bamboon tip, propinquity bamboo, cizu etc.) carry out processing and manufacturing, therefore, people have the prejudice that can not be used for substrate to small caliber bamboo wood, small caliber bamboo wood is thin because of its wall, outside the industry that the surface curvature degree is abandoned greatly and is for a long time used, even done the bavin burning in some areas, cause the waste of natural resources; (2) often surf green, tabasheer are removed, caused the loss of bamboo wood intensity, finally influence the quality of substrate, and the utilization rate of bamboo wood is low; (3) processing request height, difficulty is big, and technology is numerous and diverse, the manufacturing cost height.
[summary of the invention]
The technical assignment of the technical problem to be solved in the present invention and proposition provides a kind of method that small caliber bamboo wood is made substrate that is exclusively used in, to make full use of the natural resources, reduce the manufacturing cost of sheet material, overcome people and small caliber bamboo wood is had the prejudice that can not be used for substrate.
The technical scheme that the present invention takes is: utilize small caliber bamboo wood to make the method for substrate, comprise and get the raw materials ready and cut open, after it is characterized in that small caliber bamboo wood cut open, direct broken wall becomes the bamboo bar unit of band surf green, tabasheer, gluing successively, assembly, compression moulding then.Wherein get the raw materials ready and be meant and prepare small-bore bamboo (especially the diameter that is difficult to process with preceding method is less than 8 centimetres bamboo) in order to the processing of operation thereafter, carry out conventional processing (such as alignment) such as the small-bore bamboo under will cutting down, diameter, wall thickness classification according to bamboo, also can comprise it is blocked and be required length, and, be preferably in and as early as possible it dropped into manufacturing process after cutting down lower small mouth footpath bamboo for the ease of processing; Cut open and be meant bamboo wood to being split into two semicircles or being divided into plural circular-arc bamboo chip, so that to its broken wall; Broken wall is meant that pretreated bamboo wall is exerted pressure or impulsive force makes it to be fragmented into irregular bamboo bar unit to passing through, overcome the defective of bamboo wood wall unevenness, make things convenient for assembly, broken wall can also make the cambered surface of bamboo bar unit inside and outside wall more be tending towards smooth, make its surface crude simultaneously, to increase the adhesive strength between each bamboo bar unit; Gluing is meant that the method according to routine will be bonded as one through the bamboo wood uniform gluing of overbreak wall after bamboo bar unit is repressed; Assembly is meant with the bamboo bar unit after the gluing according to suitable dimensions evenly, stack in length and breadth, had better not occur in the middle of every layer overlapping; Compression moulding is meant blank is placed pressurize on the press, when protecting, makes firm being bonded as one in bamboo bar unit that stacks in length and breadth, to reach the quality requirement of sheet material.For the especially little bamboo wood of bore, because of its internal diameter is very small, behind broken wall, can influence even gluing and closely knit assembly hardly, therefore can drop into broken wall operation without cutting open.For the heavy caliber bamboo, can adopt this method to produce the bamboo wood laminate equally, to improve the utilization rate of former bamboo.
The described method of utilizing small caliber bamboo wood to make substrate, it is characterized in that described broken wall comprises the exhibition pressure, roll extrusion, it mainly is that the bamboo wood exhibition that will cut open presses off and is cleaved into irregular bamboo bar unit that exhibition is pressed, eliminate the radian on two sides, bamboo bar unit, make it be tending towards smooth, and bamboo bar unit involves by bamboo fibre and maintains together, can exert pressure to bamboo wood by applanation equipment and make it cracking, can also make it cracking with the method that rolls, roll extrusion is further to make it be fragmented into bamboo bar in irregular shape unit on the basis that the bamboo chip exhibition is pressed, the surfaces externally and internally that destroys bamboo bar unit simultaneously makes it crude, so that glue can infiltrate into bamboo wood inside equably, increase the adhesive strength between the bamboo bar unit.
The described method of utilizing small caliber bamboo wood to make substrate, it is characterized in that carrying out degreasing, oven dry before the gluing, degreasing is used to remove grease and the sugar part in the bamboo wood, prevent that bamboo wood is mouldy, damage by worms and variable color, oven dry is in order to prevent the bamboo wood distortion and to make it stable performance, carry out after the gluing predrying, to remove the unnecessary compositions such as moisture in the glue, the packing of cutting edge after the compression moulding.
The described method of utilizing small caliber bamboo wood to make substrate, it is characterized in that described degreasing cut open and broken wall between carry out, softening through the bamboo wood of degreasing, help broken wall and handle, oven dry is carried out between broken wall and gluing.
The described method of utilizing small caliber bamboo wood to make substrate is characterized in that described degreasing is that bamboo wood was inserted in the pressure cooker under 2 ± 0.5 kilograms of pressure the boiling water boiling 30 ± 10 minutes; Oven dry is the broken bamboo wood of opening to be inserted baking oven heat, and makes its water content reach 9 ± 1.5%; Predrying is that the bamboo wood of last glue is inserted in the baking oven, makes the bamboo wood water content reach 18 ± 2%; Compression moulding is that blank is placed the pressure that applies 2.5 ± 0.5 MPas on the press under 150 ± 30 ℃, and keeps 30 ± 5 minutes.
The present invention emphasizes small caliber bamboo wood direct broken wall behind subdivision is become the band surf green, the irregular bamboo bar unit of tabasheer, overcome the defective of bamboo wood wall unevenness, make the cambered surface of internal and external walls more be tending towards smooth, make things convenient for assembly, crude processing is carried out on its surface, so that glue can ooze to the inside of bamboo bar unit, increase the adhesive strength between each bamboo bar unit, have following advantage: (1) has overcome the prejudice that small caliber bamboo wood that people exist for a long time can not be used to make substrate, thereby will widen the scope of selecting material of making the bamboo wood substrate usually only as the small caliber bamboo wood invested in plant utilization of fuel; (2) keep surf green and tabasheer, both omitted and gone green grass or young crops, gone yellow operation, the intensity (especially surf green) that makes full use of bamboo wood self is arranged, increase the added value of bamboo wood, and the substrate quality height that produces, intensity is big, and the utilization rate of bamboo wood also improves greatly; The broken wall processing technology of (3) exhibition pressure, roll extrusion is simple, and difficulty is little, and is easy to operate, greatly reduces manufacturing cost.
[description of drawings]
Fig. 1 is a manufacturing procedure picture of the present invention.
Fig. 2 is the section structure schematic diagram of small-bore bamboo behind broken wall.
Fig. 3 is the planar structure schematic diagram of small-bore bamboo behind broken wall.
The plate construction sectional drawing of Fig. 4 for making by small-bore bamboo.
[specific embodiment]
Embodiment one, according to manufacturing process shown in Figure 1:
(1), get the raw materials ready, select for use the diameter under just cutting down to be about 4 centimetres propinquity bamboo;
(2), fracture, it is 1.3 meters and 2.5 meters two kinds of length specifications that diameter is about that 4 centimetres propinquity bamboo blocks;
(3), cut open, half-and-half cut open along the propinquity bamboo center;
(4), degreasing, the propinquity bamboo material of cutting open is inserted boiling water boiling degreasing under 2 kilograms of pressure in the pressure cooker, simultaneously can protect look to bamboo wood, make the sheet material that finally produces have consistent color and luster;
(5), exhibition presses, and the propinquity bamboo material after degreasing is shown laid flat in bamboo bar unit 1 with press;
(6), roll extrusion, 1 inside and outside two sides rolls out impression 4 in bamboo bar unit with roller press, makes it crude, destroys surf green, tabasheer; Make bamboo bar unit 1 further cracked simultaneously;
In the roll extrusion process, make the propinquity bamboo material reach the broken degree of opening, forming bamboo bar in irregular shape unit 1, is slit 2 in irregular shape between the bamboo bar unit, has or not several bamboo fibres 3 that bamboo bar unit is connected as a single entity in the slit, overcome the defective of bamboo bar cell-wall thickness ununiformity simultaneously, be convenient to assembly;
(7), oven dry, baking oven is inserted in the broken bamboo bar unit of opening heats, make its water content reach 8～10% and take out;
(8), gluing, be 8～10% bamboo bar unit abundant dipping phenolic resins glue with water content;
(9), predrying, the bamboo bar unit of dipping phenolic resins glue inserted in the baking oven again heats, make the bamboo wood water content reach 18～20% and take out;
(10), assembly in length and breadth, form 1.3 meters wide, 2.5 meters long blanks with three layers of longitudinal layer 6 and two-layer cross-ties 5 are staggered;
(11), hot pressing, blank is placed the pressure that applies 3.0 MPas on the press under 150 ℃, and kept 30 minutes;
(12), the packing of cutting edge, excision burr, and cut into required specification packing warehouse-in as required.
Embodiment two: selecting diameter when getting the raw materials ready for use is 2 centimetres cizu, the packing of after the assembly-hot pressing of fracture-degreasing-roll extrusion-broken opening-dry-gluing-predrying-in length and breadth, cutting edge successively afterwards, wherein each step and embodiment one require identical.
The sheet material of Zhi Zaoing can be widely used in industries such as building, furniture manufacturing, decoration, packing in this way, such as the substrate as bamboo matter template, bamboo-wood plyboard.Can will be covered with wooden monolithic or paper after the planing of the two sides of substrate, or on wooden monolithic, cover finishing material such as paper again, can make its sheet material that becomes different purposes, to satisfy the needs of template, Furniture panel, decorative board.
Claims (5)
1, utilize small caliber bamboo wood to make the method for substrate, comprise and get the raw materials ready and cut open, after it is characterized in that small caliber bamboo wood cut open, direct broken wall becomes the bamboo bar unit of band surf green, tabasheer, gluing successively, assembly, compression moulding then.
2, the method for utilizing small caliber bamboo wood to make substrate according to claim 1 is characterized in that described broken wall operation comprises that exhibition is pressed, roll extrusion.
3, the method for utilizing small caliber bamboo wood to make substrate according to claim 1 and 2 is characterized in that gluing is preceding to bamboo degreasing, oven dry, and is predrying to bamboo wood after the gluing, the packing of cutting edge after the compression moulding.
4, the method for utilizing small caliber bamboo wood to make substrate according to claim 3, it is characterized in that described degreasing cut open and broken wall between carry out, oven dry is carried out between broken wall and gluing.
5, the method for utilizing small caliber bamboo wood to make substrate according to claim 4 is characterized in that described degreasing is that bamboo wood was inserted in the pressure cooker under 2 ± 0.5 kilograms of pressure the boiling water boiling 30 ± 10 minutes; Oven dry is baking oven to be inserted in the bamboo bar unit of broken wall heat, and makes its water content reach 9 ± 1.5%; Predrying is that the bamboo bar unit of gluing is inserted in the baking oven, makes its water content reach 18 ± 2%; Compression moulding is that blank is placed the pressure that applies 2.5 ± 0.5 MPas on the press under 150 ± 30 ℃, and keeps 30 ± 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112094 CN1463837A (en) | 2002-06-13 | 2002-06-13 | Process for manufacturing base plate using small caliber bamboo wood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02112094 CN1463837A (en) | 2002-06-13 | 2002-06-13 | Process for manufacturing base plate using small caliber bamboo wood |
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| CN1463837A true CN1463837A (en) | 2003-12-31 |
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| CN 02112094 Pending CN1463837A (en) | 2002-06-13 | 2002-06-13 | Process for manufacturing base plate using small caliber bamboo wood |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010091643A1 (en) * | 2009-02-13 | 2010-08-19 | 中国林业科学研究院木材工业研究所 | Bamboo artificial board and producing method thereof |
| CN101327609B (en) * | 2007-06-22 | 2011-08-03 | 郎雨 | Method for producing ultra-long bamboo wood composite section bar |
| CN103085129A (en) * | 2013-02-04 | 2013-05-08 | 刘柱良 | Manufacturing method for bamboo boards for carriages |
| CN104029267A (en) * | 2014-06-27 | 2014-09-10 | 融安县肖销竹业有限责任公司 | Bamboo mat processing method |
| CN104070587A (en) * | 2014-06-27 | 2014-10-01 | 融安县肖销竹业有限责任公司 | Method for making bamboo splint mat |
| CN104118018A (en) * | 2014-07-23 | 2014-10-29 | 连云港保丽森实业有限公司 | Inorganic flame retarding bamboo and wood composite ecological plant fiber board and production method thereof |
-
2002
- 2002-06-13 CN CN 02112094 patent/CN1463837A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101327609B (en) * | 2007-06-22 | 2011-08-03 | 郎雨 | Method for producing ultra-long bamboo wood composite section bar |
| WO2010091643A1 (en) * | 2009-02-13 | 2010-08-19 | 中国林业科学研究院木材工业研究所 | Bamboo artificial board and producing method thereof |
| CN103085129A (en) * | 2013-02-04 | 2013-05-08 | 刘柱良 | Manufacturing method for bamboo boards for carriages |
| CN104029267A (en) * | 2014-06-27 | 2014-09-10 | 融安县肖销竹业有限责任公司 | Bamboo mat processing method |
| CN104070587A (en) * | 2014-06-27 | 2014-10-01 | 融安县肖销竹业有限责任公司 | Method for making bamboo splint mat |
| CN104029267B (en) * | 2014-06-27 | 2016-04-06 | 融安县肖销竹业有限责任公司 | The processing method of bamboo strip mat |
| CN104118018A (en) * | 2014-07-23 | 2014-10-29 | 连云港保丽森实业有限公司 | Inorganic flame retarding bamboo and wood composite ecological plant fiber board and production method thereof |
| CN104118018B (en) * | 2014-07-23 | 2016-05-04 | 连云港保丽森实业有限公司 | A kind of inorganic fire-retarded bamboo wood complex ecological plate with fibers planted and production method thereof |
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