CN109623985B - Method and device for efficiently softening and longitudinally flattening bamboo wood - Google Patents
Method and device for efficiently softening and longitudinally flattening bamboo wood Download PDFInfo
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- CN109623985B CN109623985B CN201811630386.9A CN201811630386A CN109623985B CN 109623985 B CN109623985 B CN 109623985B CN 201811630386 A CN201811630386 A CN 201811630386A CN 109623985 B CN109623985 B CN 109623985B
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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
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- 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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Abstract
The invention discloses a method for efficiently softening and longitudinally flattening bamboo wood, which comprises the following steps: s01, cutting the bamboo tube, and then removing inner joints and outer green; s02, splitting the bamboo tube processed in the S01 into arc bamboo chips along the axial circumference direction; s03, adding the arc bamboo chips obtained in the step S02 into a cooking pot for heating and softening; s04, pressing the two sides of the arc bamboo chips while pressing and flattening the arc bamboo chips upwards and downwards with the surf green surfaces and the surf yellow surfaces of the arc bamboo chips softened by heating in the S03 to obtain flattened bamboo chips; and S05, slicing the upper and lower surfaces of the flattened bamboo chips obtained in S04, and then pressing, fixing, stacking and ventilating and drying. The invention also discloses a device for efficiently softening and longitudinally flattening. The method and the device for efficiently softening and longitudinally flattening the bamboo provided by the invention have the advantages of high automation degree, efficient and continuous production, and good quality of the obtained node-removed bamboo chips without cracks.
Description
Technical Field
The invention relates to a method and a device for efficiently softening and longitudinally flattening bamboo wood, and belongs to the technical field of bamboo wood utilization.
Background
The bamboo processing process usually involves the processing and utilization of bamboo chips, and the traditional bamboo chip processing technology generally cuts and saws mao bamboos into bamboo tubes, and then obtains the bamboo chips with ideal surface quality through the procedures of inner joint removal, outer joint removal, splitting and the like. However, this processing method is inefficient, labor is large, and the degree of continuity and automation is not high, and on the other hand, the bamboo tube is easy to tear or have small cracks in the process of removing the inner and outer joints and dividing the bamboo tube, which results in low material utilization rate.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method and a device for efficiently softening and longitudinally flattening bamboo materials, which have high automation degree, high-efficiency continuous production and good quality of obtained bamboo joint-removed bamboo chips, have no cracks and do not influence the next process aiming at the current low-efficiency and complex production situation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method for efficiently softening and longitudinally flattening bamboo wood comprises the following steps:
s01, cutting the bamboo tube, and then removing inner joints and outer green;
s02, splitting the bamboo tube processed in the S01 into arc bamboo chips along the axial circumference direction;
s03, adding the arc bamboo chips obtained in the step S02 into a cooking pot for heating and softening;
s04, pressing the two sides of the arc bamboo chips while pressing and flattening the arc bamboo chips upwards and downwards with the surf green surfaces and the surf yellow surfaces of the arc bamboo chips softened by heating in the S03 to obtain flattened bamboo chips;
and S05, slicing the upper and lower surfaces of the flattened bamboo chips obtained in S04, and then pressing, fixing, stacking and ventilating and drying.
In S01, the thickness of the green removing is 0.3-0.6 mm.
In S02, the angle of the arc bamboo strip includes 60 degrees, 72 degrees, 90 degrees or 120 degrees.
In S03, the heating and softening temperature is 160-180 degrees, and the time is 15-20 min.
In S05, the thickness of the sliced sheet is 0.15-0.2 mm.
A device for efficiently softening and longitudinally flattening bamboo wood comprises a conveying unit, a heating and softening unit and a bamboo sheet flattening unit, wherein the conveying unit is positioned at the inlet of the heating and softening unit, the heating and softening unit comprises a tank body, softening tank machine heads are arranged at two ends of the tank body, a softening tank latch door controlled by an air cylinder is arranged on the softening tank machine heads, the softening tank latch door is sealed by a sealing ring, a sealing ring air inlet communicated with the sealing ring is arranged on the tank body, and a safety valve, a pressure gauge and a tank body air inlet are arranged on the tank body; the bamboo chip flattening unit comprises a plurality of upper compression rollers and a plurality of feeding rollers, the upper compression rollers and the feeding rollers are arranged in the vertical direction, the distance between the upper compression rollers and the feeding rollers is gradually reduced along the feeding direction of the bamboo chip to be flattened, metal conveying belts are arranged on the upper compression rollers and the feeding rollers and are located metal conveying belt surfaces on the feeding rollers are provided with bamboo chip feeding stop blocks, two sides of the bamboo chip to be flattened are connected with rolling bearings, and the rolling bearings are connected with telescopic air rods of fixed air cylinders.
The invention has the beneficial effects that:
1. the continuous production of bamboo joint removal is realized, the labor intensity of workers is reduced, and the production efficiency is improved;
2. the continuous production of high-temperature cooking softening is realized, the labor intensity of workers is greatly reduced, and the production efficiency is improved;
3. continuous lateral pressurization and continuous flattening are realized, flattened bamboo chips are crack-free, meanwhile, the inner surface of the bamboo is not required to be subjected to a scoring process, and the outturn rate of the bamboo is high.
Drawings
FIG. 1 is a schematic front view of a heat softening unit according to the present invention;
FIG. 2 is a schematic side view of a heat softening unit according to the present invention;
FIG. 3 is a schematic side view of the bamboo chip flattening unit according to the present invention;
fig. 4 is a schematic top view of the bamboo chip flattening unit according to the present invention.
The reference numbers in the figures are as follows: 1-softening the tank head; 2-softening tank latch door; 3-a safety valve; 4-a pressure gauge; 5-tank body; 6-tank air inlet; 7-sealing ring air inlet; 8-upper press roll; 9-a feed roll; 10-bamboo chips to be flattened; 11-telescopic air rod; 12-a rolling bearing; 13-a metal conveyor belt; 14-a bamboo chip feed stop; 15-fixing the cylinder.
Detailed Description
The present invention is further described with reference to the following examples, which are only used to more clearly illustrate the technical solutions of the present invention, but not to limit the scope of the present invention.
The invention discloses a method for efficiently softening and longitudinally flattening bamboo wood, which comprises the following steps:
firstly, cutting the bamboo tube into a length of 600mm, then removing the inner joint of the bamboo tube through an inner joint removing machine, removing the green surface of the bamboo tube through a green removing machine, wherein the green removing thickness is 0.3-0.6 mm, preferably 0.45mm, and the pressure of a cylinder is controlled to be 0.7 MPa.
And step two, sectioning the bamboo tube treated in the step one into arc bamboo chips along the axial circumference direction, wherein the sectioning angle of the arc bamboo chips comprises 60 degrees, 72 degrees, 90 degrees or 120 degrees, and preferably 60 degrees.
And step three, adding the arc bamboo chips obtained in the step two into a cooking pot for heating and softening, wherein the heating and softening temperature is 160-180 degrees, preferably 170 degrees, and the time is 15-20 min, preferably 18 min.
And step four, pressing the two sides of the circular arc bamboo chip to obtain the flattened bamboo chip while pressing and flattening the circular arc bamboo chip in the vertical direction with the green bamboo surface of the circular arc bamboo chip upwards and the yellow bamboo surface downwards after the circular arc bamboo chip is heated and softened in the step three.
And step five, slicing the upper surface and the lower surface of the flattened bamboo chips obtained in the step four, wherein the slicing thickness is 0.15-0.2 mm, preferably 0.18mm, and then pressurizing, fixing, stacking and ventilating and drying.
The invention also discloses a device for efficiently softening and longitudinally flattening bamboo wood, and the method is used for realizing the efficient softening and longitudinally flattening method. The device for efficiently softening and longitudinally flattening bamboo comprises a conveying unit, a heating and softening unit and a bamboo chip flattening unit, wherein the conveying unit is positioned at an inlet of the heating and softening unit. As shown in fig. 1 and 2, the heating and softening unit comprises a tank body 5, softening tank heads 1 are arranged at two ends of the tank body 5, a softening tank latch door 2 controlled by an air cylinder is arranged on the softening tank heads 1, the softening tank latch door 2 is sealed by a sealing ring, a sealing ring air inlet 7 communicated with the sealing ring is arranged on the tank body 5, the sealing ring air inlet 7 is used for air inlet, then the sealing ring is expanded, and a sealing effect is achieved on the softening tank latch door. The tank body 5 is provided with a safety valve 3, a pressure gauge 4 and a tank body air inlet 6.
The circular arc bamboo chips processed in the first step and the second step are conveyed into the heating softening unit through the conveying unit, the conveying unit is provided with a separation blade, the tabasheer of the circular arc bamboo chips faces upwards, the tabasheer of the bamboo chips faces downwards, the softening tank latch door 2 is automatically opened through cylinder control, the separation blade of the conveying unit pushes the circular arc bamboo chips to enter the tank body 5, the softening tank latch door 2 is closed, after high-temperature softening, the softening tank latch door 2 is opened, and the advancing bamboo chips push the softened bamboo chips to feed forwards to enter a continuous lateral flattening production section.
As shown in fig. 3 and 4, the bamboo chip flattening unit comprises a plurality of upper pressing rollers 8 and a plurality of feeding rollers 9 which are arranged in the vertical direction, the distance between the upper pressing rollers 8 and the feeding rollers 9 is gradually reduced along the feeding direction of the bamboo chip 10 to be flattened, metal conveyer belts 13 are arranged on the upper pressing rollers 8 and the feeding rollers 9, bamboo chip feeding stoppers 14 are arranged on the surfaces of the metal conveyer belts 13 on the feeding rollers 9, rolling bearings 12 are connected to two sides of the bamboo chip 10 to be flattened, and the rolling bearings 12 are connected with telescopic air rods 11 of a fixing air cylinder 15. The thickness of the rolling bearing 12 is 6mm, which is smaller than the thickness of the bamboo chip 10 to be flattened.
The metal conveyer belt 13 and the bamboo chip feeding stop block 14 on the feeding roller 9 push the bamboo chips 10 to be flattened to move forwards, the distance between the upper pressing roller 8 and the feeding roller 9 is gradually reduced in the operation process so as to flatten the bamboo chips 10 to be flattened, meanwhile, the rolling bearings 12 are pressurized through the fixed air cylinders 15, and the air cylinder pressure of the fixed air cylinders 15 is 0.5 MPa.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (1)
1. A method for efficiently softening and longitudinally flattening bamboo wood is characterized by comprising the following steps: the method comprises the following steps:
s01, cutting the bamboo tube, and then removing inner joints and outer green;
s02, splitting the bamboo tube processed in the S01 into arc bamboo chips along the axial circumference direction;
s03, adding the arc bamboo chips obtained in the step S02 into a cooking pot for heating and softening;
s04, pressing the two sides of the arc bamboo chips while pressing and flattening the arc bamboo chips upwards and downwards with the surf green surfaces and the surf yellow surfaces of the arc bamboo chips softened by heating in the S03 to obtain flattened bamboo chips;
s05, slicing the upper and lower surfaces of the flattened bamboo chips obtained in the S04, and then pressurizing, fixing, stacking and ventilating and drying;
in S01, the thickness of the removed outer green is 0.3-0.6 mm;
in S02, the splitting angles of the arc bamboo pieces comprise 60 degrees, 72 degrees, 90 degrees or 120 degrees;
in S03, the heating and softening temperature is 160-180 DEGoThe time is 15-20 min;
in S05, the thickness of the sliced pieces is 0.15-0.2 mm;
the device used for efficiently softening and longitudinally flattening bamboo wood comprises a conveying unit, a heating softening unit and a bamboo sheet flattening unit, wherein the conveying unit is located at an inlet of the heating softening unit, the heating softening unit comprises a tank body (5), softening tank machine heads (1) are arranged at two ends of the tank body (5), a softening tank latch door (2) controlled by an air cylinder is arranged on the softening tank machine head (1), the softening tank latch door (2) is sealed by a sealing ring, a sealing ring air inlet (7) communicated with the sealing ring is arranged on the tank body (5), and a safety valve (3), a pressure gauge and a tank body air inlet (6) are arranged on the tank body; the bamboo chip flattening unit comprises a plurality of upper press rollers and a plurality of feeding rollers (9) which are arranged in the vertical direction, the distance between the upper press rollers and the feeding rollers is gradually reduced along the feeding direction of the bamboo chip (10) to be flattened, the upper press rollers and the feeding rollers are provided with metal conveyer belts (13), the surfaces of the metal conveyer belts (13) on the feeding rollers (9) are provided with bamboo chip feeding stop blocks (14), two sides of the bamboo chip (10) to be flattened are connected with rolling bearings (12), and the rolling bearings (12) are connected with telescopic air rods (11) of a fixing air cylinder (15);
the bamboo chip flattening device comprises a metal conveying belt (13) on a feeding roller (9) and a bamboo chip feeding stop block (14), wherein the bamboo chip (10) to be flattened moves forwards, in the operation process, the distance between an upper pressing roller (8) and the feeding roller (9) is gradually reduced, so that the bamboo chip (10) to be flattened is flattened, meanwhile, a rolling bearing (12) is pressurized through a fixed air cylinder (15), and the air cylinder pressure of the fixed air cylinder (15) is 0.5 MPa.
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CN109623985B true CN109623985B (en) | 2022-04-05 |
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CN111185981B (en) * | 2019-12-26 | 2021-08-13 | 浏阳市恒生竹业有限公司 | Bamboo softening device for processing steam type bamboo floor |
CN111409159B (en) * | 2020-03-25 | 2023-08-04 | 浙江农林大学 | Continuous production system and production method of bamboo flattening plate |
CN111360962A (en) * | 2020-03-25 | 2020-07-03 | 南京林业大学 | Bamboo timber high-temperature steam softening device |
CN111409164B (en) * | 2020-03-25 | 2023-08-22 | 浙江农林大学 | Bamboo softening processing system and processing method thereof |
CN114683361B (en) * | 2022-04-27 | 2022-09-23 | 浙江味老大工贸有限公司 | Formaldehyde-free anti-cracking flattened bamboo chopping board and preparation method thereof |
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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 |
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 |
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CN102225564A (en) * | 2011-04-20 | 2011-10-26 | 湖南省林业科学院 | Original bamboo inner-dissecting outer-linked softening unfolding recombining technology |
CN102501278A (en) * | 2011-11-16 | 2012-06-20 | 宁国中集竹木制品有限公司 | Unit arc bamboo splint flattening and shaping method |
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CN1060250A (en) * | 1991-10-17 | 1992-04-15 | 南京林业大学 | Improved technology for making ply-bamboo |
JPH06126712A (en) * | 1992-10-15 | 1994-05-10 | Hiroshi Iwatsuki | Method and apparatus for reinforcing processing of bamboo material |
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 |
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 |
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Application publication date: 20190416 Assignee: Jiangsu Chengying Precision Instrument Co.,Ltd. Assignor: NANJING FORESTRY University Contract record no.: X2022320000285 Denomination of invention: A method and device for efficient softening and longitudinal flattening of bamboo Granted publication date: 20220405 License type: Common License Record date: 20221121 |
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