CN101100082B - Method for flattening arc-shaped bamboo remaining bamboo - Google Patents
Method for flattening arc-shaped bamboo remaining bamboo Download PDFInfo
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- CN101100082B CN101100082B CN200710025460XA CN200710025460A CN101100082B CN 101100082 B CN101100082 B CN 101100082B CN 200710025460X A CN200710025460X A CN 200710025460XA CN 200710025460 A CN200710025460 A CN 200710025460A CN 101100082 B CN101100082 B CN 101100082B
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- bamboo
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- bamboo wood
- eye
- arc
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- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 111
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 111
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 111
- 241001330002 Bambuseae Species 0.000 title claims abstract description 110
- 239000011425 bamboo Substances 0.000 title claims abstract description 110
- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 18
- 239000002023 wood Substances 0.000 claims description 51
- 239000006185 dispersion Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 238000005336 cracking Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 9
- 230000006698 induction Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241000209128 Bambusa Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010130 dispersion processing Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The present invention discloses process and apparatus for flattening arc bamboo sheet. During flattening arc bamboo sheet, radial force is applied while dispersed crack-preventing holes are formed inthe yellow layer of the arc bamboo sheet. The process of flattening arc bamboo sheet includes the first heating to soften bamboo material, and the subsequent flattening. The apparatus for flattening arc bamboo sheet includes one or several pairs of axially parallel rolls, and each roll pair includes one smooth roll and one nailed roll with dispersed lugs in the surface. The present invention has the advantages of less reduction of the strength of bamboo material, high utilization rate of bamboo resource and no cracking caused by flattening.
Description
Technical field
The present invention relates to a kind of manufacture field of bamboo wood, especially the flattening step of bamboo wood and use technology and the flattening device thereof of this flattening step in the bamboo processing process to staying outer of bamboo bambusa textile material to flatten.
Background technology
China is located in world bamboo distribution center, the bamboo grove area occupies first place in the world, bamboo is because of its special hollow structure, interior external diameter differs bigger, thereby in process, when particularly flattening, general flattening is adopted and is positioned at the inside and outside sub-application of force of plain roller of bamboo wood to bamboo wood expanding, interior girth will be moved to identically with outer perimeter, inner surface will inevitably produce big distortion and division takes place destroy.At the Chinese patent application application number is in 03155410.5, a kind of flattening method is disclosed, at first remove the surf green tabasheer, its method extrudes the multiple tracks groove for adopting on the circular arc of interior roller at bamboo wood expanding at the double wedge that is provided with parallel distribution vertically from the teeth outwards in the process that flattens, make the arc length of bamboo wood inwall extend expansion, so identical with the bamboo wood outer wall as much as possible.This method, the expansion of its bamboo wood inwall, be the width or the further deformation of groove of the groove that on the bamboo wood inwall, extrudes at interior roller double wedge in fact, that is to say that he is that big crackle with former bamboo wood expanding is converted into crackle, because bamboo wood radially differs bigger with horizontal fiber power, radially easier cracking, so this bamboo wood that has crackle, destroyed the characteristic of bamboo wood integral body, it is easier of these crack initiation when reality is launched, cause breaking, the intensity of the bamboo wood of Zhan Kaiing also reduces greatly simultaneously.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and provide a kind of on the basis that keeps surf green tabasheer layer, do not change the bamboo fiber overall permanence, launch indehiscent bamboo wood step, use method and the flattening device of this flattening step bamboo wood expanding.
For solving the problems of the technologies described above, the present invention adopts in the tabasheer Surface Machining of bamboo wood and leads the mode of splitting eye, the bamboo wood internal diameter is when launching, and the splitting action power when the leading of dispersion processing split eye with the flattening of bamboo wood is disperseed and absorbed, thereby has effectively stoped the cracking of crackle.
The present invention adopts following technical scheme: a kind of to staying the flattening method of the circular-arc bamboo wood of surf green tabasheer, it is characterized in that: at first choose bamboo wood and the thermoplastic of band along the bamboo wood axial gap; Secondly, the bamboo wood behind above-mentioned the softening is flattened, promptly be subjected in the flattening process of radial load, when the bamboo wood arc section is implemented to launch, apply leading of dispersion and split eye along arc section tabasheer surface at bamboo wood.
The described quantity of splitting eye of leading is 30000-60000/square metre.
Described adjacent two lead split the eye axial distance be 4-6mm, adjacent two lead split the eye radial distance be 2-4mm.
Described lead split eye be shaped as taper.
Described taper is led and is split the sharp degree of depth of eye awl greater than 80% of bamboo wood thickness.
Described flattening comprises first the flattening that flattens, makes the bamboo wood back-flexing and flattens three steps once more.
A kind of device of realizing above-mentioned flattening step comprises a pair of or several rollers to axially being parallel to each other, and in the described one-tenth pair of rollers, one is plain roller, and one for being provided with the nail roller that disperses projection at roller surfaces.
Projection on the described nail roller be shaped as taper.
Compared with prior art, the present invention has the following advantages:
1, when the bamboo wood circular arc launches gradually, inwall is along the axis cracking and the stress concentration phenomenon takes place in order to prevent to launch, the present invention adopts and apply the mode that leading of dispersion split eye synchronously on inwall, these are led and split the radial load that is subjected to when eye launches the bamboo wood inwall and break up and absorb, lead the discontinuous discontinuous short crack that when flattening, produces that is arranged so that splits eye, these short cracks just in time remedy bamboo wood when launching required deformation space, do not ftracture thereby the bamboo wood surface is flattened, guaranteed the intensity and the toughness of bamboo wood.The present invention is under the prerequisite of strength retention and resource, and bamboo wood is flattened, and intensity is relative method at the elongated triangular groove of bamboo wood Surface Machining, and great raising is arranged.
2, lead the taper that is shaped as of splitting eye, the cross section of taper is " V " type, just in time be the shape of bamboo wood crackle when normally launching, thereby well remedied deformation space required when launching, because lead the discontinuous setting of splitting eye, do not produce cracking so can not form penetrating crackle band.
3, the present invention can keep bamboo resource to greatest extent under the prerequisite of not destroying the bamboo fibre tissue, need not remove surf green and tabasheer, compares with tabasheer with removing surf green, can keep bamboo resource 30-50%, has kept the high strength of former bamboo.
4, the present invention develops the thin tiny sundry bamboo resource of the little wall in footpath to greatest extent under the prerequisite that guarantees bamboo flattening tablet quality, can be with the bamboo footpath at 30mm, and the flattening of the tiny sundry bamboo of wall thickness 2.5-3mm makes the tiny sundry bamboo resource that directly little wall is thin obtain development and use.
5, flattening the back, to flatten the horizontal bounce of bamboo chip little, and an arc bamboo chip is artificially launched, and bamboo chip inside will produce very big stress laterally, and the more little stress of arc radius is big more.Stab the taper of bamboo chip, the nail point reach bamboo wood 80% in addition bamboo chip exposed.The lateral stress of this point is discharged substantially, and the flattening process of carrying out back-flexing again makes bamboo chip thoroughly with stress release, so the former bamboo intensity reservation while that flattens back flattening bamboo chip, laterally bounce was little.
6, it is few that flattening process produces the permeability crackle, is interrupted discontinuous leading and splits eye and appropriate density, suppressed the generation and the expansion of natural permeability crackle, improved integrality and original intensity of bamboo chip.
Description of drawings
Fig. 1 is the device schematic diagram that is used to illustrate bamboo wood expanding step of the present invention.
Fig. 2 uses the bamboo wood structural representation after the inventive method flattens.
Fig. 3 is the flow chart that is used to illustrate bamboo wood expanding method of the present invention.
The specific embodiment
Below in conjunction with Fig. 1, Fig. 2 and Fig. 3, the present invention is elaborated, select for use more than 3 years living bamboo footpath in 30-60MM mao bamboon with early small diameter bamboo such as bamboo, Lei Zhu and industrial waste bamboo are raw material.Fresh bamboo is placed and used in 3-12 month.Open the bamboo section that is cut into 2500MM by the breadth of press, and to bamboo section machining gap, microwave softened then, then flatten, the former bamboo 207 of arc is delivered to by streamline rolls 208, on roll 208 and under the acting in conjunction of spring 202, slide block 205 and Oldham's coupling 209, the protruding steel nail on the top roll 206 inserted the former bamboo 207 of arcs, simultaneously power by sprocket wheel 210 be delivered to Oldham's coupling 209 and on roll 208 and driving and roll 208 and roll.The former bamboo 207 of arc is pressed a large amount of artificial inductions by steel nail 206 and splits eye in the rolling, steel nail 206 be shaped as taper, it also can be " V " shape projection of cuboid or the little length of prolonging top roll 208 circumferencial directions, so leading the shape of splitting eye also can be bellmouth, cuboid groove or other short grooves or the short groove of " V " shape according to the shape of steel nail, bellmouth can be the polygonal pyramid hole, such as rectangular pyramid, hexagonal pyramid etc.Under roll 204 typings, on the steel nail 206 that rolls on 208 execute eye.The softening former bamboo 312 of arc of process microwave or other heat carriers is delivered to by streamline rolls 310, on roll 310 and when rolling, steel nail inserted the former bamboo 312 of arc, in the rolling the former bamboo of arc 312 pressed a large amount of artificial inductions when splitting eye by on roll 310 and take to down in a pair of nip drum, roll the shape of 311 definite former bamboos of arc down, on roll 310 with roll down 311 and the radian of the former bamboo 312 of arc further can be strengthened inducing to split in the applying of eye, and open up artificial ideal form fast gradually, former bamboo section many to pressure roller in step by step flattened, see Fig. 3, detailed process is as follows: the former bamboo of camber is expansion process 301 just, but the controlled substantially internal force of the former bamboo of camber is big, serious out-of-flatness, effectively the artificial induction is split eye seldom, and quantity is 10000-15000/square metre.
The smart expansion process 302 of the former bamboo of camber, but in the whole controlled internal force of the former bamboo of camber, out-of-flatness, effective artificial induction are split eye seldom, and quantity is 20000-30000/square metre.
The former bamboo of camber flattens process 303, but all controlled internal force is little for the former bamboo of camber, and smooth substantially, effective artificial induction is split eye and increased, and quantity is 30000-40000/square metre.
The former bamboo of camber was opened up process 304, but the whole controlled internal force of the former bamboo of camber do not have, and it is many that smooth, effective artificial induction is split eye, and quantity is 40000-50000/square metre.
The former bamboo of camber flattens process 305, and the former bamboo of camber is all controlled, internal force does not have, and it is many that smooth, effective artificial induction is split eye, and quantity is 50000-60000/square metre.Adjacent two lead split the eye axial distance be 4-6mm, adjacent two lead split the eye radial distance be 2-4mm.Lead and split the sharp degree of depth of eye awl greater than 80% of bamboo wood thickness.Bamboo wood structure after the flattening as shown in Figure 2, wherein 401 bamboo green layers, 402 fibrages, 403 tabasheer layers, 404 artificial inductions are split eye, 405 are induced crackle.
Whole flattening process comprises the process that flattens first, makes the flattening of bamboo wood back-flexing after flattening first, flattens three steps at last once more, take " with split control split, gradually wide with arc, gradually open up, exceed the proper limits in righting a wrong with arc " processing thought.
Claims (6)
1. one kind to staying the flattening method of the circular-arc bamboo wood of surf green tabasheer, it is characterized in that: at first choose bamboo wood and the thermoplastic of band along the bamboo wood axial gap; Secondly, the bamboo wood behind above-mentioned the softening is flattened, promptly be subjected in the flattening process of radial load, when the bamboo wood arc section is implemented to launch, apply leading of dispersion and split eye along arc section tabasheer surface at bamboo wood.
2. flattening method according to claim 1 is characterized in that the described quantity of splitting eye of leading is 30000-60000/square metre.
3. flattening method according to claim 1, it is characterized in that described adjacent two lead split the eye axial distance be 4-6mm, adjacent two lead split the eye radial distance be 2-4mm.
4. flattening method according to claim 1 and 2 is characterized in that the described taper that is shaped as of splitting eye of leading.
5. flattening method according to claim 4, it is characterized in that described taper lead split eye awl point the degree of depth greater than 80% of bamboo wood thickness.
6. flattening method according to claim 1 is characterized in that described flattening comprises first the flattening that flattens, makes the bamboo wood back-flexing and flattens three steps once more.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710025460XA CN101100082B (en) | 2007-07-31 | 2007-07-31 | Method for flattening arc-shaped bamboo remaining bamboo |
| TW96136504A TW200914229A (en) | 2007-07-31 | 2007-09-29 | Step for flattening arc-shaped bamboo remaining bamboo outer and inner surface layer, flattening method using the same step and flattening device |
| PCT/CN2008/071795 WO2009015599A1 (en) | 2007-07-31 | 2008-07-29 | A compound bamboo section material and a process method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710025460XA CN101100082B (en) | 2007-07-31 | 2007-07-31 | Method for flattening arc-shaped bamboo remaining bamboo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101100082A CN101100082A (en) | 2008-01-09 |
| CN101100082B true CN101100082B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710025460XA Active CN101100082B (en) | 2007-07-31 | 2007-07-31 | Method for flattening arc-shaped bamboo remaining bamboo |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101100082B (en) |
| TW (1) | TW200914229A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009015599A1 (en) * | 2007-07-31 | 2009-02-05 | Yongwei Wu | A compound bamboo section material and a process method thereof |
| CN102275188B (en) * | 2011-07-30 | 2013-08-07 | 湖南省林业科学院 | Method and device for improving bonding properties of green coats and yellow endotheciums of bamboos |
| CN103128831A (en) * | 2011-11-30 | 2013-06-05 | 钱安国 | Manufacture method for bamboo chip used for green-retaining process |
| CN104626296A (en) * | 2013-11-15 | 2015-05-20 | 郑永如 | Bamboo face carpentry board and manufacturing method thereof |
| CN104859016B (en) * | 2014-02-26 | 2017-03-29 | 郑牧之 | The whole bamboo method and apparatus for making bamboo panel |
| CN103921320A (en) * | 2014-03-14 | 2014-07-16 | 浙江九川竹木有限公司 | Thicknessing and shaping apparatus for expanded plates |
| CN110587737B (en) * | 2014-04-14 | 2022-03-18 | 杭州新竹文化创意有限公司 | Bamboo material unfolding method and bamboo plate |
| CN104044191A (en) * | 2014-06-21 | 2014-09-17 | 浙江腾龙竹业集团有限公司 | Processing method for bamboo single board |
| CN104385397B (en) * | 2014-10-09 | 2016-03-30 | 浙江农林大学 | The continuous flawless flattening device of bamboo stage progressive |
| CN105196379B (en) * | 2015-08-31 | 2018-03-06 | 宣城宏宇竹业有限公司 | Green bamboo pieces discongest production line |
| CN105922405A (en) * | 2016-07-12 | 2016-09-07 | 胡刘满 | Process for producing accessory packaging box through forestry and agricultural residues |
| CN105922400A (en) * | 2016-07-12 | 2016-09-07 | 胡刘满 | Production method of environment-friendly packaging box |
| CN105922402A (en) * | 2016-07-12 | 2016-09-07 | 胡刘满 | Mechanical equipment for producing packaging box |
| CN105922403A (en) * | 2016-07-12 | 2016-09-07 | 胡刘满 | Process for producing environment-friendly type packaging box |
| CN109623981B (en) * | 2018-09-28 | 2021-09-14 | 龙竹科技集团股份有限公司 | Bamboo unfolding process |
| CN109531738A (en) * | 2018-09-28 | 2019-03-29 | 龙泉市大展竹科技有限责任公司 | A kind of bamboo exhibition machine |
| CN109760158B (en) * | 2019-02-22 | 2023-10-17 | 浙江农林大学暨阳学院 | Bamboo fiber composite material for automobile interior trim panel and manufacturing process |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107775A (en) * | 1993-10-07 | 1995-09-06 | 鹿儿岛县 | Method for forming a curved plate into a flat plate and apparatus therefor |
| CN1485182A (en) * | 2003-08-23 | 2004-03-31 | 刘觉春 | Method and apparatus for flattening bamboo wood without flaws |
-
2007
- 2007-07-31 CN CN200710025460XA patent/CN101100082B/en active Active
- 2007-09-29 TW TW96136504A patent/TW200914229A/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1107775A (en) * | 1993-10-07 | 1995-09-06 | 鹿儿岛县 | Method for forming a curved plate into a flat plate and apparatus therefor |
| CN1485182A (en) * | 2003-08-23 | 2004-03-31 | 刘觉春 | Method and apparatus for flattening bamboo wood without flaws |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101100082A (en) | 2008-01-09 |
| TW200914229A (en) | 2009-04-01 |
| TWI321512B (en) | 2010-03-11 |
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Owner name: ZHEJIANG DAZHUANG INDUSTRIAL GROUP CO., LTD. Free format text: FORMER OWNER: NANJING GREEN WOODS ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20120320 |
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Owner name: HANGZHOU XINZHU CULTURAL CREATIVE CO., LTD. Free format text: FORMER OWNER: ZHEJIANG DAZHUANG INDUSTRIAL GROUP CO., LTD. Effective date: 20150130 |
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Effective date of registration: 20150130 Address after: 311251 Xiaoshan City, Hangzhou province Xiaoshan Pro Town Building Materials Trade City 6-9 No. Patentee after: HANGZHOU XINZHU CULTURE INNOVATION CO., LTD. Address before: 311251, New River Town, Xiaoshan District, Zhejiang, Hangzhou Patentee before: Zhejiang Dazhuang Industrial Group Co., Ltd. |
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Application publication date: 20080109 Assignee: Hangzhou Rainfall Technology Co., Ltd. Assignor: HANGZHOU XINZHU CULTURE INNOVATION CO., LTD. Contract record no.: 2019990000214 Denomination of invention: Method for flattening arc-shaped bamboo remaining bamboo Granted publication date: 20100602 License type: Common License Record date: 20190703 |
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Application publication date: 20080109 Assignee: Polytron Technologies Inc Assignor: Hangzhou Rainfall Technology Co., Ltd. Contract record no.: X2019990000070 Denomination of invention: Method for flattening arc-shaped bamboo remaining bamboo Granted publication date: 20100602 License type: Common License Record date: 20190903 Application publication date: 20080109 Assignee: Jiangxi Fengzhao Bamboo and Wood Technology Co., Ltd. Assignor: Hangzhou Rainfall Technology Co., Ltd. Contract record no.: X2019990000069 Denomination of invention: Method for flattening arc-shaped bamboo remaining bamboo Granted publication date: 20100602 License type: Common License Record date: 20190903 |
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