CN112873456A - Green bamboo flattening device and method - Google Patents

Green bamboo flattening device and method Download PDF

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Publication number
CN112873456A
CN112873456A CN202110324858.3A CN202110324858A CN112873456A CN 112873456 A CN112873456 A CN 112873456A CN 202110324858 A CN202110324858 A CN 202110324858A CN 112873456 A CN112873456 A CN 112873456A
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China
Prior art keywords
shaping
bamboo
flattening
planing
roller
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CN202110324858.3A
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Chinese (zh)
Inventor
孙伟
娄志超
李延军
王秋怡
郝小蒙
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Nanjing Forestry University
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Nanjing Forestry University
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Priority to CN202110324858.3A priority Critical patent/CN112873456A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
    • B27J1/00—Mechanical working of cane or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K9/00—Chemical or physical treatment of reed, straw, or similar material
    • B27K9/002—Cane, bamboo

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

The invention discloses a device and a method for flattening remained green bamboos, wherein the device comprises a support frame body, a shaping conveying mechanism, a planing, marking and shaping mechanism and a planing, flattening mechanism, wherein the shaping conveying mechanism is provided with a plurality of shaping conveying roller sets which are arranged in parallel, the bamboo is conveyed forwards and the bending radian of the bamboo is adjusted, the planing, marking and shaping mechanism is sequentially arranged from head to tail, the first planing, marking and shaping mechanism is arranged at the tail end of the shaping mechanism, the planing, marking and shaping mechanism comprises a front planing, yellow cutting assembly, a first cambered surface shaping assembly, a green surface scribing assembly and a second cambered surface shaping assembly which are sequentially arranged, the planing, flattening mechanism is arranged at the tail end of the second planing, marking and shaping mechanism and comprises a rear planing yellow cutting assembly, a forward flattening roller set and a reverse flattening roller set which are sequentially arranged, the device and the method for flattening the remained green bamboos can retain the green bamboos and avoid the bamboo from cracking during flattening, meanwhile, the processing steps are simple and convenient.

Description

Green bamboo flattening device and method
Technical Field
The invention relates to the technical field of bamboo processing, in particular to a device and a method for flattening remained green bamboos.
Background
Along with the development of society, the contradiction of global natural forest resource reduction, wood resource supply tension and the like is increasingly prominent, and the bamboo resources in China are very rich, and the bamboo processing industry develops rapidly.
At present, the bamboo flattening equipment does not crack when the bamboo is flattened, bamboo green and tabasheer on the bamboo are required to be removed, but the bamboo green and the tabasheer which are relatively compact and have high strength are removed due to the green removing process, so that the thickness of the bamboo flattening plate is reduced, the strength is reduced, the utilization rate of the bamboo is reduced, and the tabasheer is removed by adopting special equipment, so that the process is complicated.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the above and/or the problems existing in the existing arc bamboo material flattening process.
Therefore, the invention aims to provide the device and the method for flattening the remained green bamboo, which can retain the green bamboo and avoid the cracking of the bamboo during flattening, and have simple and convenient processing steps.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
a stay green bamboo exhibition paper-back edition is put, it includes:
a support frame body;
the shaping conveying mechanism is provided with a plurality of shaping conveying roller sets which are arranged in parallel, and is used for conveying the bamboo wood forwards and adjusting the bending radian of the bamboo wood;
the planing, scribing and shaping mechanism is sequentially arranged from head to tail, the first planing, scribing and shaping mechanism is arranged at the tail end of the shaping mechanism, and the planing, scribing and shaping mechanism comprises a front planing yellow cutting assembly, a first cambered surface shaping assembly, a green surface scribing assembly and a second cambered surface shaping assembly which are sequentially arranged;
and the planing flattening mechanism is arranged at the second tail end of the planing, scribing and shaping mechanism and comprises a rear planing yellow cutting assembly, a forward flattening roller set and a reverse flattening roller set which are sequentially arranged.
As a preferable scheme of the green bamboo flattening device, each shaping conveying roller set comprises an upper shaping roller and a lower conveying roller positioned right below the upper shaping roller, and a preset arc-shaped shaping gap is formed between the upper shaping roller and the lower conveying roller.
As a preferable aspect of the green bamboo flattening device according to the present invention, the front yellow-planing cutting assembly has a first yellow-bamboo cutting rotary cutter, and the rear yellow-planing cutting assembly has a second yellow-bamboo cutting rotary cutter.
As a preferable scheme of the green bamboo flattening device, the first arc surface shaping component comprises a plurality of arc surface shaping roller sets, each arc surface shaping roller set comprises an upper arc surface shaping roller and a lower arc surface shaping roller which is positioned right below the upper arc surface shaping roller, the upper arc surface shaping rollers are spherical, and the surfaces of the upper arc surface shaping rollers are uniformly provided with dispersed rectangular protrusions.
As a preferable scheme of the green bamboo flattening device, the gaps between the upper cambered surface shaping roller and the lower cambered surface shaping roller of each cambered surface shaping roller set have the same cambered surface radius, and the cambered surface radius ranges from 30 mm to 100 mm.
As a preferable scheme of the device for flattening the remained green bamboos, the green surface scribing component is provided with a scribing rake, the surface of the scribing rake is provided with mutually parallel scribing knives, the width of each two mutually parallel scribing knives is 2-4mm, the protruding height is 8-10 mm, and the distance between every two adjacent scribing knives is 8-12 mm.
As a preferable scheme of the green bamboo flattening device, the forward flattening roller set comprises a plurality of forward flattening roller sets, and each forward flattening roller set comprises an upper forward flattening roller and a lower forward flattening roller positioned right below the upper forward flattening roller;
the reverse flattening roller set comprises a plurality of reverse flattening roller sets, and each reverse flattening roller set comprises an upper reverse flattening roller and a lower reverse flattening roller located right below the upper reverse flattening roller.
A method for flattening retained green bamboos comprises the following specific steps:
s100: pretreating the whole bamboo to obtain softened arc-shaped bamboo chips;
s200: conveying the bamboo into a shaping conveying mechanism, and conveying the arc bamboo pieces forwards by a shaping conveying roller set of the shaping conveying mechanism and adjusting the radian of the arc bamboo pieces;
s300: the planing, scribing and shaping mechanism receives the arc-shaped bamboo chips conveyed by the shaping and conveying mechanism, and sequentially passes through a planing and cutting assembly, a first arc-shaped surface shaping assembly, a green surface scribing assembly and a second arc-shaped surface shaping assembly, the planing and cutting assembly cuts the tabasheer part of the arc-shaped bamboo chips, the first arc-shaped surface shaping assembly performs primary shaping on the arc-shaped bamboo chips after cutting, the green surface scribing assembly scribes the green surface of the arc-shaped bamboo chips after primary shaping, and the second arc-shaped surface shaping assembly reshapes the arc-shaped bamboo chips after the green surface scribing again until the arc-shaped bamboo chips leave the last planing, scribing and shaping mechanism;
s400: the planing and flattening mechanism cuts the tabasheer part of the arc-shaped bamboo chip separated from the planing, scribing and shaping mechanism again, and then carries out forward flattening and reverse flattening on the arc-shaped bamboo chip in sequence.
As a preferable aspect of the method for flattening retained green bamboos, in the present invention, the step S100: the method comprises the following specific steps of pretreating the whole bamboo to obtain softened arc-shaped bamboo chips:
s101: cutting the whole bamboo into bamboo tubes, and at least forming 2 through grooves in a straight line along the fiber direction to realize splitting treatment to obtain arc bamboo chips;
s102: and putting the obtained arc-shaped bamboo chips into a softening tank for high-temperature high-humidity saturated steam softening treatment.
As a preferable scheme of the method for flattening the retained green bamboo, in the step S102, the softening temperature of the softening tank is 160-180 ℃, and the softening time is 4-6 min.
Compared with the prior art, the invention has the beneficial effects that:
1. the bending radian of the bamboo wood is adjusted through the shaping conveying mechanism, the green surface of the bamboo wood is scribed and the arc bamboo wood is shaped through the green surface scribing component and the arc surface shaping component, the internal stress generated by the green surface of the bamboo sheet in the flattening process is dispersedly eliminated, the bamboo wood is prevented from cracking, the thickness of the bamboo flattening plate is increased, the strength of the bamboo flattening plate is guaranteed, and the utilization rate of bamboo resources is improved.
2. The bamboo tabasheer part of the bamboo wood is cut through the front-mounted yellow cutting assembly and the rear-mounted yellow cutting assembly, so that the bamboo wood can be cut at the bamboo tabasheer part of the bamboo wood in the flattening process, the defect that special equipment treatment needs to be carried out on the bamboo tabasheer part of the arc bamboo wood before the arc bamboo wood is flattened in the traditional method is overcome, the bamboo wood processing step is simplified, and the flattening efficiency of the bamboo wood is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a front view of the overall structure of an embodiment of a green bamboo flattening device according to the present invention;
fig. 2 is a top view of the overall structure of an embodiment of the green bamboo flattening device of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a device and a method for flattening remained green bamboos, which can retain green bamboos and prevent bamboo from cracking during flattening, and are simple and convenient in processing steps.
Fig. 1 to 2 are schematic diagrams illustrating an overall structure of an embodiment of a green bamboo flattening device according to the present invention, and referring to fig. 1 to 2, a main body of the green bamboo flattening device according to the present embodiment includes a support frame 100, a shaping and conveying mechanism 200, a planing and scribing shaping mechanism 300, and a planing and flattening mechanism 400.
The supporting frame body 100 is used for supporting and installing the shaping conveying mechanism 200, the planing and marking shaping mechanism 300 and the planing and flattening mechanism 400.
The shaping conveying mechanism 200 has a plurality of shaping conveying roller groups 210 arranged in parallel for conveying the bamboo material forward and adjusting the bending radian of the bamboo material, and specifically, in the present embodiment, each shaping conveying roller group 210 includes an upper shaping roller 210a and a lower conveying roller 210b located right below the upper shaping roller 210a, and a preset arc-shaped shaping gap is formed between the upper shaping roller 210a and the lower conveying roller 210 b.
The planing and scoring mechanism 300 is sequentially arranged from head to tail, the first planing and scoring mechanism 300 is arranged at the tail end of the shaping mechanism 200, and the planing and scoring mechanism 300 comprises a front planing yellow cutting assembly 310, a first arc surface shaping assembly 320, a green surface scribing assembly 330 and a second arc surface shaping assembly 340 which are sequentially arranged. First cambered surface plastic subassembly 320 includes a plurality of cambered surface plastic roller sets 321, and every cambered surface plastic roller set 321 includes cambered surface shaping roller 321a and is located lower cambered surface shaping roller 321b under cambered surface shaping roller 321a, goes up cambered surface shaping roller 321a and is spherical, and the surface evenly is provided with the dispersion and is the arch of cuboid, when avoiding the shaping of arc bamboo timber, the nail eye on cambered surface plastic roller set 321's the roller injures the bamboo flesh that plays the mechanical action. The green surface scribing component 330 is provided with a scribing harrow 330a, mutually parallel scribing knives are arranged on the surface of the scribing harrow 330a and are used for scribing the green surface of the arc bamboo wood, the width of every two mutually parallel scribing knives is 2-4mm, the protruding height is 8-10 mm, and the distance between every two adjacent scribing knives is 8-12 mm. Preferably, in the present embodiment, the radii of the gaps between the upper and lower sweep rolls 321a and 321b of each set 321 are the same, and the range of the radii of the sweep is 30 to 100 mm.
The planing and flattening mechanism 400 is disposed at the rear end of the second planing and scoring shaping mechanism 300, and includes a rear planing and slicing assembly 410, a forward flattening roller set 420, and a reverse flattening roller set 430, which are disposed in sequence. The rearmounted yellow cutting assembly that digs 410 is to the tabasheer position of the arc bamboo chip that departs from planing marking off plastic mechanism 300 back of cutting once more, and forward flattening roller set 420 and reverse flattening roller set 430 carry out forward flattening and reverse flattening to the arc bamboo timber in proper order, because the bamboo timber forward is flattened the back, and the bamboo timber has the characteristic of going back the bending again, consequently need reverse rolling to the bamboo timber, effectively prevents that the bamboo timber from resuming to original bending state, improves the planarization and the intensity of bamboo timber.
The invention also provides a method for flattening the retained green bamboos, and the steps of the method for flattening the retained green bamboos are specifically described by combining the device for flattening the retained green bamboos with figures 1-2.
S100: pretreating the whole bamboo to obtain softened arc-shaped bamboo chips, preferably, and performing the following steps of S100: the specific steps of pretreating the whole bamboo to obtain the softened arc-shaped bamboo chips are as follows S101: cutting the whole bamboo into bamboo tubes, and at least forming 2 through grooves in a straight line along the fiber direction to realize splitting treatment to obtain arc bamboo chips; s102: putting the obtained arc bamboo chips into a softening tank for softening treatment by high-temperature high-humidity saturated steam, preferably, the softening temperature of the softening tank is 160-180 ℃, and the softening time is 4-6 min.
S200: conveying the bamboo into a shaping conveying mechanism 200, and conveying the arc bamboo chips forwards and adjusting the radian of the arc bamboo chips by a shaping conveying roller group 210 of the shaping conveying mechanism 200;
s300: the planing, scribing and shaping mechanism 300 receives the arc-shaped bamboo chips conveyed by the shaping and conveying mechanism 200, and sequentially passes through a planing yellow cutting assembly 310, a first arc-shaped surface shaping assembly 320, a green surface scribing assembly 330 and a second arc-shaped surface shaping assembly 340, the planing yellow cutting assembly 310 cuts the tabasheer part of the arc-shaped bamboo chips, the first arc-shaped surface shaping assembly 320 performs primary shaping on the arc-shaped bamboo chips after cutting, the green surface scribing assembly 330 scribes the green surface of the arc-shaped bamboo chips after primary shaping, and the second arc-shaped surface shaping assembly 340 reshapes the arc-shaped bamboo chips after the green surface scribing until the arc-shaped bamboo chips leave the last planing, scribing and shaping mechanism 300;
s400: the planing and flattening mechanism performs forward flattening and reverse flattening on the arc-shaped bamboo chips in sequence after re-cutting the tabasheer parts of the arc-shaped bamboo chips separated from the planing, scribing and shaping mechanism 300.
According to the invention, the bending radian of the bamboo is adjusted through the shaping conveying mechanism 200, the green surface of the arc-shaped bamboo is scribed and shaped through the planing scribing and shaping mechanism 300, the internal stress generated in the flattening process of the green surface of the bamboo is dispersedly eliminated, the bamboo is prevented from cracking, the thickness of the flattened bamboo plate is increased, the strength of the flattened bamboo plate is ensured, and the utilization rate of bamboo resources is improved. And the tabasheer part of the bamboo wood is cut through the front-mounted yellow planing cutting assembly 310 and the rear-mounted yellow planing cutting assembly 410, so that the tabasheer part of the bamboo wood can be cut in the flattening process of the bamboo wood, the defect that special equipment treatment needs to be carried out on the tabasheer part of the arc bamboo wood before the arc bamboo wood is flattened in the traditional mode is overcome, the bamboo wood processing steps are simplified, and the flattening efficiency of the bamboo wood is improved.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1.一种留青竹展平装置，其特征在于，包括：1. a green bamboo flattening device, is characterized in that, comprises: 支撑架体（100）；supporting frame body (100); 定型输送机构（200），具有多个平行排列设置的定型输送辊组（210），将竹材向前输送并调整竹材的弯曲弧度；The shaping conveying mechanism (200) has a plurality of shaping conveying roller groups (210) arranged in parallel to transport the bamboo material forward and adjust the bending arc of the bamboo material; 刨削划线整形机构（300），首尾依次设置，且第一个所述刨削划线整形机构（300）设置在所述定型机构（200）的尾端，所述刨削划线整形机构（300）包括依次设置的前置刨黄切削组件（310）、第一弧面整形组件（320）、青面划线组件（330）和第二弧面整形组件（340）；The planing and scribing shaping mechanism (300) is arranged end to end, and the first said planing and scribing shaping mechanism (300) is arranged at the tail end of the shaping mechanism (200). (300) comprising a front planing and cutting component (310), a first camber shaping component (320), a blue surface scribing component (330), and a second camber shaping component (340), which are arranged in sequence; 刨削压平机构（400），设置在第二个所述刨削划线整形机构（300）的尾端，其包括依次设置的后置刨黄切削组件（410）、正向压平辊组（420）和反向压平辊组（430）。A planing and flattening mechanism (400), which is arranged at the end of the second planing, scribing and shaping mechanism (300), and includes a rear planing and yellowing cutting assembly (410) and a positive flattening roller group that are arranged in sequence. (420) and reverse flattening roll set (430). 2.根据权利要求1所述的一种留青竹展平装置，其特征在于，每个所述定型输送辊组（210）包括上定型辊（210a）和位于所述上定型辊（210a）正下方的下输送辊（210b），且所述上定型辊（210a）和所述下输送辊（210b）之间形成预设的弧形整形间隙。2 . The flattening device for green bamboo according to claim 1 , wherein each of the shaping and conveying roller groups ( 210 ) comprises an upper shaping roller ( 210 a ) and an upper shaping roller ( 210 a ) that is located in the right direction of the upper shaping roller ( 210 a ). 3 . the lower conveying roller (210b) below, and a preset arc-shaped shaping gap is formed between the upper shaping roller (210a) and the lower conveying roller (210b). 3.根据权利要求1所述的一种留青竹展平装置，其特征在于，所述前置刨黄切削组件（310）具有第一竹黄切削旋刀（310a），所述后置刨黄切削组件（410）具有第二竹黄切削旋刀（410a）。3. A device for flattening green bamboo according to claim 1, characterized in that the front yellowing cutting assembly (310) has a first bamboo yellowing cutting rotary knife (310a), and the rear yellowing cutting assembly (310) The cutting assembly (410) has a second bamboo cutting rotary blade (410a). 4.根据权利要求1所述的一种留青竹展平装置，其特征在于，所述第一弧面整形组件（320）包括多个弧面整形辊组（321），每个所述弧面整形辊组（321）包括上弧面整形辊（321a）和位于所述上弧面整形辊（321a）正下方的下弧面整形辊（321b），所述上弧面整形辊（321a）为球形，且表面均匀设置有分散且呈长方体的凸起。4. A device for flattening green bamboo according to claim 1, characterized in that the first cambered surface shaping assembly (320) comprises a plurality of cambered surface shaping roller groups (321), each of the cambered surfaces The shaping roller group (321) includes an upper camber shaping roller (321a) and a lower camber shaping roller (321b) located directly below the upper camber shaping roller (321a), and the upper camber shaping roller (321a) is Spherical, and the surface is evenly provided with scattered and rectangular protrusions. 5.根据权利要求4所述的一种留青竹展平装置，其特征在于，每个所述弧面整形辊组（321）的上弧面整形辊（321a）下弧面整形辊（321b）之间的间隙的弧面半径相同，且弧面半径的范围在30-100mm之间。5. A device for flattening green bamboo according to claim 4, characterized in that the upper cambered shaping roller (321a) and the lower cambered shaping roller (321b) of each said cambered shaping roller group (321) The radius of the arc surface of the gap between them is the same, and the radius of the arc surface is in the range of 30-100mm. 6.根据权利要求1所述的一种留青竹展平装置，其特征在于，所述青面划线组件（330）具有划线耙（330a），所述划线耙（330a）的表面设置有相互平行的划线刀，且相互平行的相邻两个所述划线刀的宽度在2-4mm之间，凸出高度在8-10 mm之间，相邻划线刀间距在8-12mm之间。6 . The device for flattening green bamboo according to claim 1 , wherein the green surface scribing assembly ( 330 ) has a scribing rake ( 330 a ), and the surface of the scribing rake ( 330 a ) is set on the surface. 7 . There are scribing knives that are parallel to each other, and the width of two adjacent scribing knives that are parallel to each other is between 2-4 mm, the protruding height is between 8-10 mm, and the distance between adjacent scribing knives is 8- between 12mm. 7.根据权利要求1所述的一种留青竹展平装置，其特征在于，所述正向压平辊组（420）包括多个正向压平辊组（421），每个所述正向压平辊组（421）包括上正向压平辊（421a）和位于所述上正向压平辊（421a）正下方的下正向压平辊（421b）；7. A device for flattening bamboo leaves of green leaves according to claim 1, characterized in that, the positive flattening roller group (420) comprises a plurality of positive flattening roller groups (421), each of which is a positive flattening roller group (421). The set of flattening rollers (421) includes an upper flattening roller (421a) and a lower flattening roller (421b) located directly below the upper flattening roller (421a); 所述反向压平辊组（430）包括多个反向压平辊组（431），每个所述反向压平辊组（431）包括上反向压平辊（431a）和位于所述上反向压平辊（431a）正下方的下反向压平辊（431b）。The reverse flattening roller group (430) includes a plurality of reverse flattening roller groups (431), each of the reverse flattening roller groups (431) includes an upper reverse flattening roller (431a) and a The lower reverse flattening roll (431b) directly below the above-mentioned upper reverse flattening roll (431a). 8.一种留青竹展平方法，应用于如权利要求1-7任一项所述的一种留青竹展平装置，其特征在于，具体步骤如下：8. a green bamboo flattening method, applied to a kind of green bamboo flattening device as described in any one of claims 1-7, is characterized in that, concrete steps are as follows: S100：将整竹预处理得到软化后的弧形竹片；S100: Pretreating the whole bamboo to obtain softened curved bamboo pieces; S200：将输送至定型输送机构（200）内，定型输送机构（200）的定型输送辊组（210）将弧形竹片向前输送并调整弧形竹片的弧度；S200: transporting to the shaping conveying mechanism (200), and the shaping conveying roller group (210) of the shaping conveying mechanism (200) transports the curved bamboo pieces forward and adjusts the curvature of the curved bamboo pieces; S300：刨削划线整形机构（300）接收定型输送机构（200）输送的弧形竹片，并且依次经过刨黄切削组件（310）、第一弧面整形组件（320）、青面划线组件（330）和第二弧面整形组件（340），刨黄切削组件（310）对弧形竹片的竹黄部位切削、第一弧面整形组件（320）对切屑后的弧形竹片进行第一次整形、青面划线组件（330）对第一次整形后的弧形竹片的竹青面划线，并且第二弧面整形组件（340）对竹青面划线后的弧形竹片再次整形，直至弧形竹片离开最后一个刨削划线整形机构（300）；S300: The planing and scribing shaping mechanism (300) receives the arc-shaped bamboo pieces conveyed by the shaping conveying mechanism (200), and sequentially passes through the yellow-planing cutting assembly (310), the first arc-surface shaping assembly (320), and the green surface scribing The component (330) and the second cambered surface shaping component (340), the yellowing cutting component (310) cuts the bamboo yellow part of the arc-shaped bamboo pieces, and the first cambered surface shaping component (320) cuts the swarfed arc-shaped bamboo pieces After the first shaping, the green surface scribing component (330) scribes the bamboo green surface of the arc-shaped bamboo slices after the first shaping, and the second arc surface shaping component (340) scribes the bamboo green surface after the first shaping. The curved bamboo pieces are reshaped again until the curved bamboo pieces leave the last planing and scribing shaping mechanism (300); S400：刨削压平机构对从刨削划线整形机构（300）离开的弧形竹片的竹黄部位再次切削后，对弧形竹片依次进行正向压平和反向压平。S400: After the planing and flattening mechanism cuts again the bamboo yellow part of the arc-shaped bamboo pieces separated from the planing, scribing and shaping mechanism (300), the arc-shaped bamboo pieces are sequentially flattened in a forward direction and in a reverse direction. 9.根据权利要求8所述的一种留青竹展平方法，其特征在于，所述步骤S100：将整竹预处理得到软化后的弧形竹片的具体步骤如下：9. a kind of green bamboo flattening method according to claim 8, is characterized in that, described step S100: the concrete steps that the whole bamboo pretreatment obtains softened curved bamboo pieces are as follows: S101：将整竹截断成竹筒，并沿纤维方向呈直线至少开2个贯通槽，实现开片处理，得到弧形竹片； S101: cutting the whole bamboo into a bamboo tube, and opening at least 2 through-grooves in a straight line along the fiber direction to achieve sheet-cutting treatment to obtain arc-shaped bamboo sheets; S102：将得到的弧形竹片放入软化罐内进行高温高湿饱和蒸汽软化处理。 S102: Put the obtained arc-shaped bamboo chips into a softening tank for softening treatment with high temperature and high humidity saturated steam. 10.根据权利要求9所述的一种留青竹展平方法，其特征在于，所述步骤S102中，软化罐的软化温度在160-180℃，软化时间在4-6min。10 . The method for flattening the green bamboo according to claim 9 , wherein, in the step S102 , the softening temperature of the softening tank is 160-180° C., and the softening time is 4-6 min. 11 .
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