CN102490223A - Method for flattening moso bamboo - Google Patents

Method for flattening moso bamboo Download PDF

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Publication number
CN102490223A
CN102490223A CN2011104232926A CN201110423292A CN102490223A CN 102490223 A CN102490223 A CN 102490223A CN 2011104232926 A CN2011104232926 A CN 2011104232926A CN 201110423292 A CN201110423292 A CN 201110423292A CN 102490223 A CN102490223 A CN 102490223A
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China
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bamboo
bamboo chip
processing
flattening
chip
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CN2011104232926A
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Chinese (zh)
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CN102490223B (en
Inventor
黄晓东
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福建农林大学
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Priority to CN201110423292.6A priority Critical patent/CN102490223B/en
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Publication of CN102490223B publication Critical patent/CN102490223B/en

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Abstract

The invention relates to a method for flattening moso bamboo materials. The method comprises the following steps: after moso bamboo is cut into sections and stripped, a grooving machine is used to machine a group of oblique line grooves on the inner wall of the moso bamboo; bamboo chips with oblique line grooves are soaked in a clean water reservoir, taken out after the water content reaches the specified requirement and placed in a microwave oven; after heating for a certain period of time, the bamboo chips are taken out and placed on a hot plate of a hot press for hot-press flattening; flattened bamboo chips are stacked in good order so as to avoid warpage and deformation during cooling; and after cooling for a certain period of time, a thicknesser and a sliding table saw are used to machine the flattened bamboo chips into qualified flattened bamboo boards. The method can reduce the process complexity in the traditional bamboo processing, solve the problem of low outturn percentage in bamboo processing, and comprehensively improve the technological content and product added value of the bamboo ware industry, thereby having a wide development prospect.

Description

The flattening processing method of a kind of mao bamboon
Technical field
The present invention relates to a kind of method of bamboo processing, more specifically relate to the flattening processing method of a kind of mao bamboon.
Background technology
China is the abundantest country of bamboo resource in the world, has 40 to belong to 500 kinds approximately, and bamboo grove kind, area and accumulation all occupy first place in the world, total bamboo grove area 4,200,000 hm 2More than, wherein mao bamboon accounts for 70%.Recent two decades comes bamboo grove area every year in the whole nation with 50,000 hm 2Speed increase, the scientific research of bamboo forest cultivation, bamboo wood wood property and processing and utilization has had breakthrough progress, this provides advantageous conditions for the needs that bamboo processing becomes various products to satisfy economic construction and people life.
That China's economic is worth is higher, distribute the widest, the maximum mao bamboon of output, and its diameter of a cross-section of a tree trunk 1.3 meters above the ground is many about 7~12 centimetres; And bamboo wood also has characteristics such as the thin hollow of wall, taperingness are big; The outer surf green dense structure of bamboo wood, quality is hard, and smooth surface is with one deck wax, poor to water and adhesive wetability; The tabasheer tissue looseness of internal layer, quality is fragile, and is also relatively poor to the wetability of water and adhesive; Middle bamboo meat, performance is the major part of bamboo utilization between surf green and tabasheer; By traditional bamboo processing mode, the utilization rate of bamboo wood is lower than 30%, the problem that this also partly causes present bamboo product to hold at high price; Therefore; Must start with from the technology of bamboo processing, develop a kind of brand-new bamboo processing new technology, reduce the process complexity in the present bamboo processing greatly; Solve the low problem of volume recovery in the bamboo processing, and can promote the scientific and technological content and the added value of product of bamboo product industry comprehensively. ?
Summary of the invention
In order to address the above problem; The invention provides a kind of flattening processing method of mao bamboon material; The flattening bamboo chip that utilizes this method to make can reduce the process complexity in the present bamboo processing, solves the low problem of volume recovery in the bamboo processing, can reduce the market price of bamboo product effectively. ?
The flattening processing method of a kind of mao bamboon material of the present invention comprises the steps:
Step 1: after mao bamboon removed the foreign material that bamboo does, be cut into the bamboo section;
Step 2: slight machine and the bamboo section is broken become to have circular-arc bamboo chip with broken;
Step 3: process one group of oblique trunking at the inner surface that has circular-arc bamboo chip, the direction of the direction of oblique trunking and bamboo growth is 30-60 ° of angle;
Step 4: the bamboo chip that will process oblique trunking is put into the clear water reserviors immersion, and weighting material is fully immersed in the clear water it, and the clear water in the periodic replacement clear water reserviors prevents to pollute bamboo chip;
Step 5: bamboo chip soaked 60-72 hour, treated that the moisture content of bamboo chip reaches 80% back taking-up;
Step 6: bamboo chip is carried out taking out behind the microwave softened, and bamboo strip is placed on the flat plate heat of hot press up, and hot pressing temperature 80-100 ℃, hot pressing pressure 1-1.2MPa, hot pressing time press the thick mm of 1-1.1 minute/bamboo chip and calculate;
Step 7: the flattening bamboo chip that will from hot press, take out is neatly stacked, and the interpolation weight makes it stable at the top, prevents to flatten bamboo chip buckling deformation in cooling procedure;
Step 8: flatten bamboo chip and place after 24-48 hour, send the wood dryer drying to, wait that the moisture content that flattens bamboo chip is lower than 10% back taking-up.
The mao bamboon of said step 1 is the fresh mao bamboon of termination diameter more than 10cm.
Opposing parallel between between said step 3 oblique trunking, and spacing distance is 5-10mm, the direction of the direction of oblique trunking and bamboo growth is the 45 degree.
In the said step 6, said microwave softened is: bamboo chip is put into micro-wave oven, and microwave power 1000W, heating 30-50 took out rapidly after second.
In the said step 8, the baking temperature that flattens bamboo chip is 80 ℃, 24-48 hour drying time.
The flattening bamboo chip that step 8 obtains further is processed as the flattening bamboo clappers through thicknesser and sizing saw machine.
Advantage of the present invention is: the flattening bamboo chip of the present invention's preparation; Can reduce the process complexity in the present bamboo processing, solve the low problem of volume recovery in the bamboo processing, and can promote the scientific and technological content and the added value of product of bamboo product industry comprehensively; Therefore, has vast potential for future development.In addition, the present invention can further be processed into the flattening bamboo clappers, is used for bamboo product production, behind the certain hour, flatten the product abandonment that bamboo clappers makes after, the raw material that still can be used as particieboard etc. are recycled, and avoid contaminated environment.
Description of drawings
Fig. 1 is that flattening bamboo chip inwall of the present invention is carved the oblique trunking sketch map.
The specific embodiment
A kind of flattening processing method of mao bamboon material comprises the steps:
Step 1: fell fresh mao bamboon, remove the foreign material that bamboo does, mao bamboon is cut into the bamboo section;
Step 2: detect bamboo section top diameter and classify and pile up, the bamboo section is broken into bamboo chip;
Step 3: in order to obtain satisfied bamboo wood expanding effect, the inside and outside joint of bamboo wood is all removed, make itself and the inside and outside wall of bamboo chip form smooth state;
Step 4: gaining machine is carved the shute thread of many 1 millimeter degree of depth at the inner surface of bamboo chip by hand;
Step 5: the bamboo chip that will process oblique trunking is put into the clear water reserviors immersion, and weighting material is fully immersed in the clear water it, and the clear water in the periodic replacement clear water reserviors prevents the accident because of water quality inferiority appearance pollution bamboo chip;
Step 6: be immersed in the clear water behind the certain hour, begin to detect the moisture content of bamboo chip, after the moisture content of bamboo chip reaches 80%, take out;
Step 7: bamboo chip is put into micro-wave oven, and heating is taken out behind the certain hour, and bamboo strip is placed on up that hot pressing flattens on the flat plate heat of hot press;
Step 8: the flattening bamboo chip that will from hot press, take out is neatly stacked, and the interpolation weight makes it stable at the top, prevents to flatten bamboo chip buckling deformation in cooling procedure;
Step 9: after flattening bamboo chip placement certain hour, send the wood dryer drying to, wait that the moisture content that flattens bamboo chip is lower than 10% taking-up later on, through the flattening bamboo clappers that is processed into specification of thicknesser and sizing saw machine;
The mao bamboon of adopting in the said step 1 is selected life in 3~6 years, and 12~17 meters long, and the zero defect mao bamboon of termination diameter more than 10 centimetres blocked mao bamboon from the termination, the perfectly straight mao bamboon section of intercepting.
Said step 2 is earlier with the diameter classify and pile up of the bamboo section of blocking by bamboo section microcephaly; Again according to the broken cutter head number of slighing machine of bamboo section microcephaly's diameter choose reasonable; Can reduce the broken time of slighing tool changing in the process of bamboo section like this, effectively improve the broken efficiency of slighing of bamboo section.
The internal segment that goes of said step 3 bamboo chip adopts bamboo chip to go the internal segment machine to carry out, and the acromere that goes of bamboo chip can adopt common woodworking hand planar to carry out.
Said step 4 adopts special-purpose manual gaining machine to engrave the oblique trunking of many 1 millimeter degree of depth in advance at the inner surface of bamboo chip, and the direction of oblique trunking and horizontal direction are the 45 degree, and the distance between the oblique trunking is about about 5-10mm.
The bamboo chip that will process oblique trunking in the said step 5 is put into the clear water reserviors immersion, and weighting material is fully immersed in the clear water it, and purpose is to improve the also final moisture content of balance bamboo chip; Because bamboo wood inside is rich in multiple organic matter, the clear water in must the periodic replacement clear water reserviors, purpose is the accident that too much occurs polluting bamboo chip in the anti-sealing because of organic matter.
In the said step 6, the moisture content of bamboo chip test, can be taken out bamboo chip after the bamboo chip moisture content that detects is 80% by 4.3 carrying out among the GB/T17657-1999 from clear water reserviors.
In the said step 7, bamboo chip is put into the 1000W micro-wave oven, heat after 40 seconds rapidly and take out, bamboo strip is placed on up that hot pressing flattens on the flat plate heat of hot press, 100 ℃ of hot pressing temperatures, and hot pressing pressure 1MPa, hot pressing time calculates by 1 minute/mm (bamboo chip is thick);
In the said step 9: flatten bamboo chip and place after 24 hours; Send the wood dryer drying to, the baking temperature that flattens bamboo chip is 80 ℃, and be 24-48 hour drying time; Wait that the moisture content that flattens bamboo chip reaches 8% back taking-up; The flattening bamboo chip flat appearance of this moment, vertical crackle that inwall only has little part to be interrupted by oblique trunking can be through the flattening bamboo clappers that is processed into specification of thicknesser and sizing saw machine.
The above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.

Claims (6)

1. the flattening processing method of a mao bamboon material, it is characterized in that: said processing method comprises the steps:
Step 1: after mao bamboon removed the foreign material that bamboo does, be cut into the bamboo section;
Step 2: slight machine and the bamboo section is broken become to have circular-arc bamboo chip with broken;
Step 3: process one group of oblique trunking at the inner surface that has circular-arc bamboo chip, the direction of the direction of oblique trunking and bamboo growth is 30-60 ° of angle;
Step 4: the bamboo chip that will process oblique trunking is put into the clear water reserviors immersion, and weighting material is fully immersed in the clear water it, and the clear water in the periodic replacement clear water reserviors prevents to pollute bamboo chip;
Step 5: bamboo chip soaked 60-72 hour, treated that the moisture content of bamboo chip reaches 80% back taking-up;
Step 6: bamboo chip is carried out taking out behind the microwave softened, and bamboo strip is placed on the flat plate heat of hot press up, and hot pressing temperature 80-100 ℃, hot pressing pressure 1-1.2MPa, hot pressing time press the thick mm of 1-1.1 minute/bamboo chip and calculate;
Step 7: the flattening bamboo chip that will from hot press, take out is neatly stacked, and the interpolation weight makes it stable at the top, prevents to flatten bamboo chip buckling deformation in cooling procedure;
Step 8: flatten bamboo chip and place after 24-48 hour, send the wood dryer drying to, wait that the moisture content that flattens bamboo chip is lower than 10% back taking-up.
2. processing method according to claim 1 is characterized in that: the mao bamboon of said step 1 is the fresh mao bamboon of termination diameter more than 10cm.
3. processing method according to claim 1 is characterized in that: opposing parallel between between said step 3 oblique trunking, and spacing distance is 5-10mm, the direction of the direction of oblique trunking and bamboo growth is the 45 degree.
4. processing method according to claim 1 is characterized in that: in the said step 6, said microwave softened is: bamboo chip is put into micro-wave oven, and microwave power 1000W, heating 30-50 took out rapidly after second.
5. processing method according to claim 1 is characterized in that: in the said step 8, the baking temperature that flattens bamboo chip is 80 ℃, 24-48 hour drying time.
6. processing method according to claim 1 is characterized in that: the flattening bamboo chip that step 8 obtains further is processed as the flattening bamboo clappers through thicknesser and sizing saw machine.
CN201110423292.6A 2011-12-16 2011-12-16 Method for flattening moso bamboo CN102490223B (en)

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CN102490223B CN102490223B (en) 2014-10-29

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085129A (en) * 2013-02-04 2013-05-08 刘柱良 Manufacturing method for bamboo boards for carriages
CN104015240A (en) * 2014-06-10 2014-09-03 福建农林大学 Processing method for corrosion-resistance high-strength bamboo visa board
CN104070584A (en) * 2014-06-30 2014-10-01 怀化市恒裕竹木开发有限公司 Production process and equipment for round bamboo expansion flat plate
CN104070585A (en) * 2014-06-11 2014-10-01 陈晓岗 Processing method for bamboo wood
CN104972540A (en) * 2014-04-14 2015-10-14 杭州新竹文化创意有限公司 Bamboo material spreading method
CN106042098A (en) * 2016-06-01 2016-10-26 福建农林大学 Processing method for improving elastic modulus of bamboo wisa board
CN106426487A (en) * 2016-11-08 2017-02-22 浙江省林产品质量检测站 Processing method for high-quality bamboo flattened floor
CN109794995A (en) * 2019-01-07 2019-05-24 江苏农林职业技术学院 A kind of preparation method of the orthogonal composite board of bamboo and wood

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103085129A (en) * 2013-02-04 2013-05-08 刘柱良 Manufacturing method for bamboo boards for carriages
CN104972540A (en) * 2014-04-14 2015-10-14 杭州新竹文化创意有限公司 Bamboo material spreading method
CN104015240A (en) * 2014-06-10 2014-09-03 福建农林大学 Processing method for corrosion-resistance high-strength bamboo visa board
CN104015240B (en) * 2014-06-10 2016-04-06 福建农林大学 The processing method of a kind of anti-corrosion and high strength bamboo matter Visa plate
CN104070585A (en) * 2014-06-11 2014-10-01 陈晓岗 Processing method for bamboo wood
CN104070584A (en) * 2014-06-30 2014-10-01 怀化市恒裕竹木开发有限公司 Production process and equipment for round bamboo expansion flat plate
CN106042098A (en) * 2016-06-01 2016-10-26 福建农林大学 Processing method for improving elastic modulus of bamboo wisa board
CN106426487A (en) * 2016-11-08 2017-02-22 浙江省林产品质量检测站 Processing method for high-quality bamboo flattened floor
CN106426487B (en) * 2016-11-08 2018-08-28 浙江省林业科学研究院 A kind of processing method on high-quality bamboo flattening floor
CN109794995A (en) * 2019-01-07 2019-05-24 江苏农林职业技术学院 A kind of preparation method of the orthogonal composite board of bamboo and wood

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