CN102632532B - Bamboo block thermal shaping method and device - Google Patents
Bamboo block thermal shaping method and device Download PDFInfo
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- CN102632532B CN102632532B CN201210117531.XA CN201210117531A CN102632532B CN 102632532 B CN102632532 B CN 102632532B CN 201210117531 A CN201210117531 A CN 201210117531A CN 102632532 B CN102632532 B CN 102632532B
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Abstract
The invention discloses a bamboo block thermal shaping method and device. The bamboo block thermal shaping method provided by the invention is a machining method for implementing the shaping of the walls of the bamboos and comprises the following steps of: extruding and unfolding bamboo blocks by utilizing multiple grades of bunching gradient profile rollers by means of certain thermoplasticity of the walls of the bamboos which are boiled and are softened at high temperature under the allowed condition of horizontal allowed stress of the bamboo materials, and cooling and shaping. The device provided by the invention mainly comprises a horizontal support roller and lateral guide rollers, wherein the horizontal support roller which is used for conveying arc bamboo blocks is installed below the foremost end of a rack platform; the lateral guide rollers are installed at two sides at the front end of the rack platform; the rack platform is also sequentially provided with a first grade profile roller, other multiple-grade profile rollers and multiple-grade cooling and shaping rollers; and the profiles of the upper roller and the lower roller of each grade profile roller are matched with a flower-type unfolding pattern of the shaping for the bamboo materials. The device provided by the invention is simple in structure, and is convenient to use, and the integrity and horizontal intensity of the walls of the bamboos after being shaped are ensured, thus the arc bamboo blocks are unfolded into bamboo sheets with good integrity under the pressure of rolling.
Description
Technical field
The invention belongs to bamboo processing technical field, be specifically related to the hot shaping methods of a kind of bamboo piece and device.
Background technology
China's bamboo timber resource is very abundant, and bamboo grove has the laudatory title of the second forest, forest reserves subject to severe risks of damage in worldwide, and in the situation that accumulation declines day by day, bamboo timber resource is but the trend of rising appreciably.Bamboo intensity is high, good springiness, stable performance, and density is little, is exist in nature a kind of typical, the organism with good mechanical property.At present, along with various countries to the limit of timber resources adopt limit cut down, people start to utilize more the bamboo wood of environmental protection fast-growing type, and are applied to the every field such as furniture, daily living article, building materials.But bamboo is the hollow cone of minor diameter, generally, high 10～20m, the diameter of a cross-section of a tree trunk 1.3 meters above the ground 7～12cm, the thin hollow of wall, its diameter and wall thickness are diminished gradually by root to taper, and the wall thickness maximum of mao bamboon root can reach 15mm left and right, and only 2～3mm of taper wall thickness.Therefore, from shape to performance, all can not meet the construction requirement of modern construction engineering structure.Want to set it as building structure section bar and use, must change shape modification to former bamboo, produce sheet material and the section bar that can be suitable for modern construction engineering structure building technology, such as manufacturing bamboo plywood, bamboo laminated board and bamboo mat plywood etc.
By former bamboo one-tenth sheet material or section bar, first, bamboo piece curved section after vertical profile must be processed into section is tetragonal plane bamboo piece, at present, what apply morely is machine cut method, has bits cutting, and the method is only applicable to the less arc bamboo piece of radian, and volume recovery is low, be used for the bamboo chip production and processing of bamboo floor, bamboo chopping block.The direction of another research is, arc bamboo piece, by the method for physical treatment, is first carried out arc bamboo piece to i.e. softening processing of plasticising processing, then under pressure, makes the bamboo chip of arc-shaped sections generate quadrangle section.This method is suitable for the bamboo piece that radian is large, and utilization rate of bamboo is high, is unique feasible and advanced reasonably method for the production of roomy bamboo chip.
Summary of the invention
First object of the present invention is to provide a kind of utilization rate of bamboo that improves, and obtains the more complete bamboo piece of large-size, for artificial bamboo board provides the hot shaping methods of bamboo piece of new Component units.
The hot shaping methods of bamboo piece of the present invention, to utilize to there is certain thermoplasticity through the bamboo wall of poach, hot mastication, use the profile roll of multistage gradual change in groups, under the horizontal allowable stress permissive condition of bamboo wood, bamboo piece is pushed to expansion, and realize the machining process of bamboo wall shaping through cooling and shaping, it comprises the step of following order:
(1) first, bamboo wood is sawed and cut, goes acromere, enlarging, opens bar, goes internal segment operation, obtain arc bamboo piece;
(2) according to bamboo biological characteristic, select or do not select arc bamboo piece to carry out the one in following four kinds of preprocess methods: bamboo piece being rough milled, bamboo piece bamboo strip is gone to longitudinally fan-shaped, rolls and split microgroove by the yellow bamboo face cutting of bamboo piece and by the surf green yellow bamboo face of bamboo piece, thereby change bamboo wall surface form;
(3) by bamboo piece poach, be placed on by bamboo piece in the hot water of 70～80 DEG C and soak 2～3 hours, make bamboo wood moisture content reach 60～70%;
(4) temperature of the bamboo piece after poach is heated to 130～150 DEG C;
(5) be sent to by the side direction guide roller of its both sides and the flat idler of its below the first order profile roll being installed on framework platform upward by there is certain thermoplastic bamboo piece yellow bamboo face through upper two step poach, hot mastication;
(6) the bamboo piece after the preliminary shaping of first order profile roll continues to be fed into shaping in some other grades of profile rolls that are installed on framework platform; The top roll width of described first order profile roll is narrower than its lower roll width, and the top roll width of other grade of profile roll after first order profile roll increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant; Thus, arc bamboo piece gradually roll extrusion from narrow to wide launch to be shaped as plane bamboo piece or unified arc shape bamboo piece;
(7) continue to be fed into after profile roll some grades of cooling and shaping rolls afterwards by the bamboo piece after hot shaping, obtain plane bamboo piece or the unified arc shape bamboo piece of shaping sizing.
Specifically, in the time that bamboo piece need be shaped as plane bamboo piece, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is stretching, top roll and the lower roll of afterbody profile roll fade to cylindrical straight roller, and the top roll of cooling and shaping rolls at different levels and lower roll all adopt cylindrical straight roller; In the time that bamboo piece need be shaped as unified arc shape bamboo piece, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is mild, the top roll of afterbody profile roll and lower roll fade to the bowed roller that the radian of unified arc shape bamboo piece requires, and the top roll of cooling and shaping rolls at different levels all adopts the bowed roller identical with the radian of lower roll with the top roll of afterbody profile roll with lower roll.
Further, the top roll of described profile rolls at different levels and the profile of lower roll manufacture and design according to the colored type expanded view of bamboo wood shaping, the colored type expanded view of described bamboo wood shaping is by the section configuration of each step in bamboo piece expansion process, overlays the figure forming on same a piece of paper; Every single line in bamboo piece flower type expanded view represents the section configuration of each step in bamboo piece shaping process, and the top roll profile of its intrados and every grade of profile roll matches, and the lower roll profile of its extrados and every grade of profile roll matches.
Described profile roll at different levels and cooling and shaping roll regulate the spacing between its top roll and lower roll by being installed on plain bearing housing; Its top roll regulates the pressure size of roll by mounting spring mechanism.
The roll-in extension tech that the present invention adopts, is that line contacts between roll and arc bamboo piece, and bamboo piece can, with this uniform-compression, improve flattening effect in whole length, can realize serialization and produce.After roll-in, just changed the geometric shape in bamboo piece cross section, thick thin phenomenon of bamboo chip still exists, and a thick thin bamboo piece can be planed into the bamboo chip of uniform thickness in total length.
Second object of the present invention is to provide a kind of device of realizing the hot shaping methods of above-mentioned bamboo piece.
Device of the present invention is, framework platform foremost below be provided with for delivery of the flat idler of arc bamboo piece with and front end both sides side direction guide roller is installed; First order profile roll, some other grades of profile rolls and some grades of cooling and shaping rolls are also installed successively on framework platform; The top roll width of described first order profile roll is narrower than its lower roll width, and the top roll width of other grade of profile roll after first order profile roll increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant; The top roll width of described cooling and shaping rolls at different levels is consistent with lower roll width.
Specifically, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is stretching, top roll and the lower roll of afterbody profile roll fade to cylindrical straight roller, and the top roll of cooling and shaping rolls at different levels and lower roll all adopt cylindrical straight roller; Or, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is mild, the top roll of afterbody profile roll and lower roll fade to the bowed roller that needs shaping to require to the radian of unified arc shape bamboo piece, and the top roll of cooling and shaping rolls at different levels all adopts the bowed roller identical with the radian of lower roll with the top roll of afterbody profile roll with lower roll.
Further, the colored type expanded view of the top roll of described profile rolls at different levels and the profile of lower roll and bamboo wood shaping matches, the colored type expanded view of described bamboo wood shaping is by the section configuration of each step in bamboo piece expansion process, overlays the figure forming on same a piece of paper; Every single line in bamboo piece flower type expanded view represents the section configuration of each step in bamboo piece shaping process, and the top roll profile of its intrados and every grade of profile roll matches, and the lower roll profile of its extrados and every grade of profile roll matches.
Described profile roll at different levels and cooling and shaping roll are installed on plain bearing housing; Its top roll top is provided with spring mechanism.
Apparatus structure of the present invention is simple, easy to use, in the inventive method, adopt the mode of poach, hot mastication to make bamboo wood plasticising, reduce the elastic modelling quantity of bamboo wood self, integrality and the transverse strength of bamboo wall after guarantee shaping, thus make arc bamboo piece under rolling pressure, be launched into the good bamboo chip of globality.Avoid adopting the environmental pollution that the softening bamboo wood of chemical agent method brings simultaneously and affected the problem such as bamboo wood mechanical strength, bamboo wood color.By profile rolls at different levels flatten gradually and cooling and shaping roll at different levels sizing after bamboo chip, fracture width and the penetration of fracture of its yellow bamboo face are less, for former bamboo one-tenth sheet material or section bar provide a kind of new approaches and methods.
Brief description of the drawings
Fig. 1 is the side structure schematic diagram of embodiment of the present invention device.
Fig. 2 is the left view of Fig. 1 front end.
Fig. 3 is in Fig. 1, in the time that need are shaped as plane bamboo piece, and straight roll structure schematic diagram when cooling and shaping roll adopts straight roller.
Fig. 4 is in Fig. 1, in the time that need are shaped as unified arc shape bamboo piece, and bowed roller structural representation when cooling and shaping roll adopts bowed roller.
Fig. 5 carries out in preprocess method adopting the bamboo piece schematic diagram after bamboo piece is rough milled to bamboo piece before hot mastication is processed.
Fig. 6 carries out adopting bamboo piece bamboo strip being removed to the longitudinally bamboo piece schematic diagram of fan-shaped in preprocess method to bamboo piece before hot mastication is processed.
Fig. 7 carries out adopting the bamboo piece schematic diagram of bamboo piece yellow bamboo face cutting in preprocess method to bamboo piece before hot mastication is processed.
Fig. 8 carries out adopting the surf green yellow bamboo face of bamboo piece being rolled to the bamboo piece schematic diagram that splits microgroove in preprocess method to bamboo piece before hot mastication is processed.
Fig. 9 is the section contrast schematic diagram that arc bamboo piece is shaped as to plane bamboo piece.
Figure 10 is the section contrast schematic diagram that arc bamboo piece is shaped as to unified arc shape bamboo piece.
Figure 11 is the stressed schematic diagram of arc bamboo piece in the time launching distortion.
Figure 12 is that the colored type of bamboo piece shaping launches schematic diagram.
Figure 13 is the schematic perspective view that arc bamboo piece is shaped as plane bamboo piece.
Figure 14 is the schematic perspective view that arc bamboo piece is shaped as unified arc shape bamboo piece.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Referring to Fig. 1, Fig. 2, in the embodiment of the present invention, be included in for the device of the hot shaping of bamboo piece the flat idler 2 for delivery of arc bamboo piece the high order end below of framework platform 1 installed with and the side direction guide roller 3 installed of left end both sides.The profile roll 5 that on framework platform 1, first order profile roll 4, other grade is also installed is successively to profile roll 13, and the cooling and shaping roll 14 of its subsequent stages is to cooling and shaping roll 19.The top roll width of first order profile roll 4 is narrower than its lower roll width, and the top roll width of other grade of profile roll increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant.The top roll width of cooling and shaping rolls at different levels is consistent with lower roll width.
Bamboo wood selection principle of the present invention is: make bamboo floor, bamboo furniture or other bamboo decorative plates: select the perfectly straight just circle of bamboo bar rod, diameter is larger, preferably select bamboo eyebrow footpath in 5～6 years ages (liftoff 1.5m place) bamboo wood more than 10cm, crackle, small holes caused by worms, the defect such as rotten are not allowed, the new bamboo wood of felling, the storage life should not exceed 15 days.Make bamboo plywood: select bamboo that more than diameter of a cross-section of a tree trunk 1.3 meters above the ground 9cm mao bamboon and other diameters are larger as phyllostachys bambusoides, sinocalamus latiflorus, huge bamboo, Long Zhu etc., the horizontal allowable stress of mao bamboon bamboo wood is 6.08Mpa.
The technical process of the hot shaping of arc bamboo piece of the present invention is as follows:
(1) first, bamboo wood saw is cut, goes bamboo acromere, then pass through smoothly the hot apparatus for shaping of bamboo piece for the ease of bamboo piece, special thick bamboo tube enlarging is fallen to an interior angle in the one or both ends of thick bamboo tube, opening bar cuts thick bamboo tube open with hacking saw again, remove again bamboo internal segment, thereby obtain the arc bamboo piece of certain size.And bamboo piece close with radian thickness is divided into a class.
(2) for adapting to bamboo biological diversity, arc bamboo piece can also be carried out to the one in following four kinds of preprocess methods: one, bamboo piece is rough milled, obtain bamboo piece as shown in Figure 5, the method is applicable to make the bamboo piece of bamboo floor or bamboo chopping block; Its two, bamboo piece bamboo strip is gone to longitudinally fan-shaped, obtain bamboo piece as shown in Figure 6, it is thicker that the method is applicable to bamboo wall, the bamboo piece that the camber line of bamboo strip is more much longer than yellow bamboo face camber line; Its three, by bamboo piece yellow bamboo face carve oblique slot, obtain as shown in Figure 7 bamboo piece, the method is applicable to the bamboo piece that width is larger; Its four, the surf green yellow bamboo face of bamboo piece is rolled and splits tiny crisscross crack, obtain as shown in Figure 8 bamboo piece, the method is also applicable to the bamboo piece that width is larger.By above several pretreatment, change bamboo wall surface form, make arc bamboo piece more be conducive to launch.
(3) by pretreated bamboo piece poach, be placed on by bamboo piece in the hot water of 70～80 DEG C and soak 2～3 hours, make bamboo wood moisture content reach 60～70%.
(4) temperature of the bamboo piece after poach is heated to 130～150 DEG C.
(5) will there is certain thermoplastic bamboo piece yellow bamboo face and be sent to by the side direction guide roller 3 shown in Fig. 1, Fig. 2 and flat idler 2 first order profile roll 4 being installed on framework platform 1 upward through upper two step poach, hot mastication.
(6) the bamboo piece after the preliminary shaping of first order profile roll 4 continues to be fed into other grade of profile roll 5 being installed on framework platform 1 to shaping in profile roll 13.Because the top roll width of first order profile roll 4 is narrower than its lower roll width, the top roll width of other grade of profile roll after first order profile roll 4 increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant; Therefore, arc bamboo piece is that shaping gradually changes.
(7) continue to be fed into profile roll cooling and shaping rolls 14 at different levels afterwards to cooling and shaping roll 19 by the bamboo piece after hot shaping, obtain the bamboo piece of shaping sizing.
In the time that bamboo piece need be shaped as plane bamboo piece, the top roll of profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is stretching, top roll and the lower roll of afterbody profile roll 13 fade to cylindrical straight roller, in Fig. 1, shown in 22 rows, are the radian gradual change schematic diagrames of the bowed roller of profile rolls at different levels.The top roll of cooling and shaping rolls at different levels and lower roll all adopt cylindrical straight roller, as shown in 23 rows in Fig. 1, are the top roll of cooling and shaping roll cylindrical straight rollers at different levels and the structural representation of lower roll shown in Fig. 3.Therefore, arc bamboo piece gradually shaping launches and cooling and shaping is plane bamboo piece, is the section contrast schematic diagram that arc bamboo piece is shaped as to planar shaped bamboo piece shown in Fig. 9, and Figure 13 is that arc bamboo piece is through being shaped as the perspective view of planar shaped bamboo piece.
In the time that bamboo piece need be shaped as unified arc shape bamboo piece, the top roll of profile rolls at different levels and lower roll also adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is mild, the top roll of afterbody profile roll 13 and lower roll fade to the bowed roller that the radian of unified arc shape bamboo piece requires, and in Fig. 1, shown in 24 rows, are the radian gradual change schematic diagrames of the bowed roller of profile rolls at different levels.The top roll of cooling and shaping rolls at different levels all adopts the bowed roller identical with the radian of lower roll with the top roll of afterbody profile roll with lower roll, as shown in 25 rows in Fig. 1, is the top roll of cooling and shaping roll bowed rollers at different levels and the structural representation of lower roll shown in Fig. 4.Therefore, arc bamboo piece gradually shaping launches and cooling and shaping is unified arc shape bamboo piece, shown in Figure 10, be the section contrast schematic diagram that arc bamboo piece is shaped as to unified arc shape bamboo piece, Figure 14 is the perspective view that arc bamboo piece is shaped as unified arc shape bamboo piece.
Figure 11 is the stressed schematic diagram of arc bamboo piece in the time launching distortion, and bamboo strip is subject to compression, and yellow bamboo face is subject to tension.
By practical experience and Analog Reasoning, add that practical operation effect revises design, obtain the colored type expanded view that the hot apparatus for shaping of bamboo piece of the present invention uses, the colored type of the namely bamboo piece shaping shown in Figure 12 launches schematic diagram.Bamboo piece flower type expanded view, is by the section configuration of each step in bamboo piece expansion process, overlays the figure forming on same a piece of paper.Upper figure in Figure 12 is while being shaped as plane bamboo piece, the colored type expanded view that bamboo piece cambered surface is launched gradually, and the figure below in Figure 12 is while being shaped as unified arc shape bamboo piece, the colored type expanded view that bamboo piece cambered surface is launched gradually.The profile roll of the multistage gradual change in groups of apparatus of the present invention, the profile of its upper and lower roll should be corresponding one by one with tabasheer, bamboo strip camber line in flower type expanded view in Figure 12, coupling mutually.Like this, when can overall thinking moving to next running roller pass from a running roller pass, height and width are processed with without irrational place with shaping, realization mitigation process.Every single line in bamboo piece flower type expanded view represents bamboo piece section configuration, and its intrados is that yellow bamboo face mates with the topping roll of profile roll, and its extrados is that the bottom roll of bamboo strip and profile roll matches.Expansion section and gradual change profile roll in bamboo piece flower type expanded view have relation one to one, and gradual change profile roll must meet the needs that launch section configuration and smooth delivery of power bamboo piece.
Referring to Fig. 1, in the present embodiment device, profile rolls at different levels and cooling and shaping roll regulate the spacing between its top roll and lower roll by being installed on plain bearing housing 20, to adapt to the bamboo chip of different-thickness; Its top roll regulates the pressure size of roll by mounting spring mechanism 21, change spring according to the horizontal allowable stress of bamboo chip.
Claims (6)
1. the hot shaping methods of bamboo piece, to utilize to there is certain thermoplasticity through the bamboo wall of poach, hot mastication, use the profile roll of multistage gradual change in groups, under the horizontal allowable stress permissive condition of bamboo wood, bamboo piece is pushed to expansion, and realize the machining process of bamboo wall shaping through cooling and shaping, it is characterized in that comprising the step of following order:
(1) first, bamboo wood is sawed and cut, goes acromere, enlarging, opens bar, goes internal segment operation, obtain arc bamboo piece;
(2) according to bamboo biological characteristic, select or do not select arc bamboo piece to carry out the one in following four kinds of preprocess methods: bamboo piece being rough milled, bamboo piece bamboo strip is gone to longitudinally fan-shaped, rolls and split microgroove by the yellow bamboo face cutting of bamboo piece and by the surf green yellow bamboo face of bamboo piece, thereby change bamboo wall surface form;
(3) by bamboo piece poach, be placed on by bamboo piece in the hot water of 70～80 DEG C and soak 2～3 hours, make bamboo wood moisture content reach 60～70%;
(4) temperature of the bamboo piece after poach is heated to 130～150 DEG C;
(5) be sent to by the side direction guide roller of its both sides and the flat idler of its below the first order profile roll being installed on framework platform upward by there is certain thermoplastic bamboo piece yellow bamboo face through upper two step poach, hot mastication;
(6) the bamboo piece after the preliminary shaping of first order profile roll continues to be fed into shaping in some other grades of profile rolls that are installed on framework platform; The top roll width of described first order profile roll is narrower than its lower roll width, and the top roll width of other grade of profile roll after first order profile roll increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant; Thus, arc bamboo piece gradually roll extrusion from narrow to wide launch to be shaped as plane bamboo piece or unified arc shape bamboo piece;
(7) continue to be fed into after profile roll some grades of cooling and shaping rolls afterwards by the bamboo piece after hot shaping, obtain plane bamboo piece or the unified arc shape bamboo piece of shaping sizing;
In the time that bamboo piece need be shaped as plane bamboo piece, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is stretching, top roll and the lower roll of afterbody profile roll fade to cylindrical straight roller, and the top roll of cooling and shaping rolls at different levels and lower roll all adopt cylindrical straight roller; In the time that bamboo piece need be shaped as unified arc shape bamboo piece, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is mild, the top roll of afterbody profile roll and lower roll fade to the bowed roller that the radian of unified arc shape bamboo piece requires, and the top roll of cooling and shaping rolls at different levels all adopts the bowed roller identical with the radian of lower roll with the top roll of afterbody profile roll with lower roll;
The top roll of described profile rolls at different levels and the profile of lower roll manufacture and design according to the colored type expanded view of bamboo wood shaping, and the colored type expanded view of described bamboo wood shaping is by the section configuration of each step in bamboo piece expansion process, overlays the figure forming on same a piece of paper; Every single line in bamboo piece flower type expanded view represents the section configuration of each step in bamboo piece shaping process, and the top roll profile of its intrados and every grade of profile roll matches, and the lower roll profile of its extrados and every grade of profile roll matches.
2. the hot shaping methods of bamboo piece according to claim 1, is characterized in that: described profile rolls at different levels and cooling and shaping roll regulate the spacing between its top roll and lower roll by being installed on plain bearing housing; Its top roll regulates the pressure size of roll by mounting spring mechanism.
3. a device of realizing the hot shaping methods of bamboo piece as claimed in claim 1, is characterized in that: framework platform foremost below be provided with for delivery of the flat idler of arc bamboo piece with and front end both sides side direction guide roller is installed; First order profile roll, some other grades of profile rolls and some grades of cooling and shaping rolls are also installed successively on framework platform; The top roll width of described first order profile roll is narrower than its lower roll width, and the top roll width of other grade of profile roll after first order profile roll increases to consistent with its lower roll width gradually, and the lower roll width of profile rolls at different levels is constant; The top roll width of described cooling and shaping rolls at different levels is consistent with lower roll width.
4. the device of the hot shaping methods of bamboo piece according to claim 3, it is characterized in that: the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is stretching, top roll and the lower roll of afterbody profile roll fade to cylindrical straight roller, and the top roll of cooling and shaping rolls at different levels and lower roll all adopt cylindrical straight roller; Or, the top roll of described profile rolls at different levels and lower roll adopt respectively the bowed roller of convex and the bowed roller of spill, and the bowed roller of profile rolls at different levels step by step gradual change is mild, the top roll of afterbody profile roll and lower roll fade to the bowed roller that needs shaping to require to the radian of unified arc shape bamboo piece, and the top roll of cooling and shaping rolls at different levels all adopts the bowed roller identical with the radian of lower roll with the top roll of afterbody profile roll with lower roll.
5. the device of the hot shaping methods of bamboo piece according to claim 3, it is characterized in that: the colored type expanded view of the top roll of described profile rolls at different levels and the profile of lower roll and bamboo wood shaping matches, the colored type expanded view of described bamboo wood shaping is by the section configuration of each step in bamboo piece expansion process, overlays the figure forming on same a piece of paper; Every single line in bamboo piece flower type expanded view represents the section configuration of each step in bamboo piece shaping process, and the top roll profile of its intrados and every grade of profile roll matches, and the lower roll profile of its extrados and every grade of profile roll matches.
6. according to the device of the hot shaping methods of bamboo piece described in claim 3 or 5, it is characterized in that: described profile rolls at different levels and cooling and shaping roll are installed on plain bearing housing; Its top roll top is provided with spring mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117531.XA CN102632532B (en) | 2012-04-20 | 2012-04-20 | Bamboo block thermal shaping method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210117531.XA CN102632532B (en) | 2012-04-20 | 2012-04-20 | Bamboo block thermal shaping method and device |
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| Publication Number | Publication Date |
|---|---|
| CN102632532A CN102632532A (en) | 2012-08-15 |
| CN102632532B true CN102632532B (en) | 2014-06-04 |
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| CN103753658A (en) * | 2014-01-28 | 2014-04-30 | 湖南省林业科学院 | Bamboo shoot type wedge bamboo chip integrated panel and production technological method thereof |
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| 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 |
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| CN106592913B (en) * | 2016-12-08 | 2018-10-23 | 安徽志昌竹木科技有限公司 | A kind of production technology of quick conductive bamboo flooring |
| CN107571353A (en) * | 2017-10-13 | 2018-01-12 | 桃江风河智慧竹业有限公司 | The raw bamboo thermoplastification flat process of compacted poly- expansion milling and Culm |
| CN109623981B (en) * | 2018-09-28 | 2021-09-14 | 龙竹科技集团股份有限公司 | Bamboo unfolding process |
| CN111890500B (en) * | 2020-08-25 | 2024-06-07 | 福建天笙竹木制品有限公司 | Prevent bamboo clapper flattening device of fracture |
| CN113211580B (en) * | 2021-05-08 | 2022-07-29 | 丁宇 | A energy-saving door plant soaks auxiliary assembly for door plant production uses |
| CN114131721B (en) * | 2021-11-30 | 2023-02-21 | 中冶重工（唐山）有限公司 | Longitudinal log segmenting machine and segmenting method thereof |
Citations (6)
| 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 |
| CN1242278A (en) * | 1998-07-17 | 2000-01-26 | 李坤民 | Bamboo plate made by opening and flatting round bamboo, and method for mfg. same |
| JP3392377B2 (en) * | 1999-02-25 | 2003-03-31 | 光正 森 | Bamboo plate processing |
| CN1485182A (en) * | 2003-08-23 | 2004-03-31 | 刘觉春 | Method and apparatus for flattening bamboo wood without flaws |
| CN101528431A (en) * | 2006-09-29 | 2009-09-09 | 杭州大庄地板有限公司 | Flattened bamboo panel |
| CN201342713Y (en) * | 2009-01-22 | 2009-11-11 | 杭州大庄地板有限公司 | Device for rolling and cooling plates continuously |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07115325B2 (en) * | 1990-07-06 | 1995-12-13 | 鹿児島県 | Long bamboo plate manufacturing method and device |
| JPH09193105A (en) * | 1996-01-23 | 1997-07-29 | Utsudei Tec Corp Kk | Method for manufacturing compression bamboo material and apparatus therefor |
| JPH10156806A (en) * | 1996-11-29 | 1998-06-16 | Masami Takei | Method and apparatus for manufacturing lengthy bamboo skin flat plate with node heaped up on surface |
| JP2001287205A (en) * | 2000-04-05 | 2001-10-16 | Masao Izeki | Method for processing trough-like bamboo into flat plate |
-
2012
- 2012-04-20 CN CN201210117531.XA patent/CN102632532B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| CN1242278A (en) * | 1998-07-17 | 2000-01-26 | 李坤民 | Bamboo plate made by opening and flatting round bamboo, and method for mfg. same |
| JP3392377B2 (en) * | 1999-02-25 | 2003-03-31 | 光正 森 | Bamboo plate processing |
| CN1485182A (en) * | 2003-08-23 | 2004-03-31 | 刘觉春 | Method and apparatus for flattening bamboo wood without flaws |
| CN101528431A (en) * | 2006-09-29 | 2009-09-09 | 杭州大庄地板有限公司 | Flattened bamboo panel |
| CN201342713Y (en) * | 2009-01-22 | 2009-11-11 | 杭州大庄地板有限公司 | Device for rolling and cooling plates continuously |
Non-Patent Citations (1)
| Title |
|---|
| 张齐生等.竹片加工.《中国竹材工业化利用》.1995, * |
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