CN105058537A - Processing method for primarily treated green thin sliced moso bamboo strips used for decoration - Google Patents

Abstract

The invention discloses a processing method of moso bamboo erqing sliced veneer for decoration, which comprises cutting fresh and defect-free moso bamboo into bamboo sections, planing off the outer convex bamboo nodes, cutting them into 1.2cm wide bamboo slices, and removing the inner nodes Then it is divided into 0.6cm wide bamboo slices, and then the bamboo slices are pressure-soaked to preserve the color. After drying, fine planing, side glue coating and hot pressing into boards, they are planed into two-green slices. The veneer, the obtained two-green planed veneer is further compounded with polypropylene without imitation cloth and hot-pressed to obtain the finished product. The preparation method of the present invention is simple, and the obtained veneer of Moso bamboo erqing sliced has the characteristics of elegant appearance and durability, and it can be further processed into bamboo furniture, which can overcome the limitation of no greenness of existing bamboo furniture, and is suitable for hotels, offices, families, etc. Various occasions, and can broaden the application field of bamboo, comprehensively improve the technological content and product added value of the bamboo processing industry, and realize the sustainable development of bamboo resources and bamboo industry, which has broad development prospects.

Description

A kind of processing method of veneer sliced with moso bamboo for decoration

technical field

The invention belongs to the technical field of bamboo processing, and in particular relates to a method for processing bamboo veneer sliced for decoration.

Background technique

China is known as the "Kingdom of Bamboo". In the vast territory from Liaoning in the north, to Hainan in the south, to Taiwan in the east, and to Tibet in the west, there are more than ⁴ million ha of bamboo forests and more than 500 species of bamboo in 39 genera. The world's most important bamboo-producing country, bamboo germplasm resources, bamboo forest area, stock and output all rank first in the world. Bamboo is a kind of totem worship in China, and it is a kind of spirit. Many literati love bamboo. Su Shi's poem in the Northern Song Dynasty: "I would rather eat without meat than live without bamboo", which shows how much people love bamboo. In areas where bamboo is abundant in the south, bamboo can be seen everywhere in people's daily life. Bamboo buildings, bamboo beds, bamboo stools, bamboo baskets, and bamboo rafts are everywhere. With social progress and people's life With the improvement of the level, bamboo has won the favor of more and more people and entered thousands of households.

"Erqing" refers to the second strip of bamboo after removing the green head. It is brittle and easy to break. Due to the limitation of processing technology, it is easy to be damaged during processing. Therefore, the bamboo furniture sold in the market is to make the finished product uniform in color. , all remove the bamboo green part and make the product no green. The present invention utilizes moso bamboo with abundant resources and low price as raw material, and through special processing, produces the veneer veneer material for decoration with special decorative effect. The preparation method is simple, and the obtained product can imitate the natural greenness of bamboo to the maximum It can be further processed into bamboo furniture, which can overcome the limitations of existing bamboo furniture without greenness, and is suitable for various occasions such as hotels, offices, and families, and has the characteristics of beautiful appearance and durability, which can broaden the application field of bamboo , comprehensively enhance the technological content and product added value of the bamboo processing industry, realize the sustainable development of bamboo resources and the bamboo industry, and also help optimize the industrial structure, increase the number of employees, and increase the income of farmers, so it has broad development prospects.

Contents of the invention

The object of the present invention is to provide a kind of processing method of moso bamboo erqing slicing veneer for decoration, the preparation method is simple, the obtained moso bamboo erqing slicing veneer has the characteristics of elegant appearance and durability, and it can be further processed into bamboo furniture, which can be The invention overcomes the limitation that the existing bamboo furniture has no greenness, and broadens the application field of bamboo.

To achieve the above object, the present invention adopts the following technical solutions:

A method for processing bamboo veneer sliced veneer for decoration, comprising the following steps:

Step 1) Harvest fresh moso bamboo with a diameter of 8-12cm, cut off the branches with a knife, and cut them into 1-3m long bamboo sections as required;

Step 2) After neatly planing off the protruding bamboo nodes on the bamboo section with a hand planer, send it to the bamboo splitter and cut it into 1.2cm wide bamboo slices. For bamboo slices with a width of cm, try to plan the protruding bamboo joints until the transition with the green part of Moso bamboo is as smooth as possible during the planing process, and be careful not to leave protruding bamboo joints or planing pit defects;

Step 3) Stir the color-preserving solution with a mass concentration of 0.1~1.0% evenly and pour it into the dipping tank, put the bamboo chips processed in step 2) into the dipping tank, and add weights to completely immerse the bamboo chips in the color-preserving solution , then close the opening of the dipping tank, open the air compressor to pressurize the dipping tank until the pressure in the tank is 0.2~1MPa, and make the bamboo chips be treated for 1~10 hours under pressure for color retention;

Step 4) Send the bamboo chips after color retention into a wood drying kiln for drying, so that the moisture content of the dried bamboo chips is controlled below 6%;

Step 5) Send the dried bamboo slices into the modified bamboo slice fine planer, and plan the other three surfaces except the bamboo green surface, and the width of the bamboo strips obtained after planing is 0.5cm;

Step 6) Arrange the finely planed bamboo strips neatly on the workbench, place the bamboo green side up, and apply glue on the side to form the blank;

Step 7) Put the finely processed bamboo strips that have been assembled into a hot press with side pressure to be hot-pressed into green bamboo boards and store them in a constant temperature and humidity room;

Step 8) Take out the bamboo green board, fix the back of the bamboo green board on the pre-installed substrate surface of the vertical veneer planer with hot melt adhesive, spray water on the surface of the bamboo green board to make the surface wet, and then use a smaller The amount of planing is to remove the green head on the surface of the bamboo green board, and then planing to process the second green planed veneer;

Step 9) After evenly brushing a layer of adhesive on the back of the planed Erqing sliced veneer, it is composited with polypropylene without imitation cloth and hot-pressed to form a roll or a flat plate.

Among them, the fresh moso bamboo selected in step 1) should have a green and beautiful appearance, without defects such as wormholes, decay, color difference, trauma and bending, and should be handled with care during the transportation and processing of moso bamboo to prevent the moso bamboo from colliding with hard objects and scratching Damage the surface of bamboo green.

Step 3) The color retention solution is prepared by mixing copper naphthenate and copper sulfate at a weight ratio of 1:1 and then adding water.

Step 5) The modified bamboo chip planer removes the upper knife set of the traditional bamboo chip planer, and replaces the original metal pineapple roller with a nylon roller.

Step 7) The temperature of the hot pressing is 105~120°C, the pressure is 1.2~1.5MPa, the time is 3~5 minutes, and the manometric pressure is 0.8~1.0MPa; the temperature of the constant temperature and humidity room is controlled at 20~ 25°C, the relative humidity is controlled at 70-80%.

Step 9) The adhesive is white latex. If the white latex is found to be too viscous during use, it can be diluted by adding an appropriate amount of water; the pressure of the hot pressing is 1.0~1.2MPa, the temperature is 80°C, and the time is 3 ~5 minutes.

Significant advantage of the present invention is:

1) The purpose of the pressurized impregnation in the present invention is to promote the color-retaining copper ions to enter the interior of the bamboo to replace the magnesium ions, so as to achieve the purpose of long-term protection of the green color of the bamboo green surface.

2) The present invention transforms the traditional bamboo chip planer, that is, removes the upper knife set of the traditional bamboo chip planer, and replaces the original metal pineapple roller with a nylon roller for bamboo chip transmission, so as to protect the green bamboo surface It is not damaged during processing.

3) In the present invention, the hot-pressed bamboo green board after blank assembly is placed in a constant temperature and humidity room for storage, so as to prevent the bamboo green board from cracking and deformation when the outdoor temperature and humidity change greatly.

4) The present invention uses hot melt adhesive to fix the back of the bamboo green board on the pre-installed base material surface of the vertical veneer planer, and its purpose is to increase the thickness of the bamboo green board and the firmness of the fixation, so as to benefit the bamboo green board planing processing.

5) The present invention sprays water on the surface of the green bamboo board before planing, the purpose of which is to increase the plastic deformation capacity of the green bamboo board, prevent the green bamboo board from cracking during processing, and ensure the integrity of the thinned veneer sex. When planing, first use a small amount of planing to remove the green hair on the surface of the bamboo green board, and make the surface of the bamboo green board as smooth as possible, so as to prepare for the complete planing of the whole piece of Erqing veneer.

6) In the present invention, the sliced veneer of Erqing is made into a roll shape or a flat plate, which can facilitate the storage, transportation and use of the obtained Erqing sliced veneer.

7) The present invention provides a processing method for cutting veneer of moso bamboo for decoration. The method uses moso bamboo which is rich in resources and low in price as raw material, and is processed by a special process to produce moso bamboo with good decorative effect. The veneer product has a simple preparation method, and the obtained product can imitate the natural green form of bamboo to the greatest extent, and further process it into bamboo furniture, which can overcome the limitation of existing bamboo furniture without greenness, and is suitable for hotels, offices, families, etc. various occasions, and has the characteristics of elegant appearance and durability, which can broaden the application field of bamboo, comprehensively improve the technological content and product added value of bamboo processing industry, realize the sustainable development of bamboo resources and bamboo industry, and help optimize the industrial structure , Increase the number of employed people and increase farmers' income, so it has broad development prospects.

Detailed ways

In order to make the content of the present invention easier to understand, the technical solutions of the present invention will be further described below in conjunction with specific embodiments, but the present invention is not limited thereto.

Example 1

A method for processing bamboo veneer sliced veneer for decoration, comprising the following steps:

Step 1) Harvesting fresh moso bamboo with a green and beautiful appearance, no defects such as wormholes, decay, color difference, trauma and bending, etc., with a diameter of 8 cm, use a knife to cut off the branches, and cut them into 1 meter long bamboo sections as required;

Step 2) After neatly planing off the protruding bamboo nodes on the bamboo section with a hand planer, send it to the bamboo splitter and cut it into 1.2cm wide bamboo slices. For bamboo slices with a width of cm, try to plan the protruding bamboo joints until the transition with the green part of Moso bamboo is as smooth as possible during the planing process, and be careful not to leave protruding bamboo joints or planing pit defects;

Step 3) Mix copper naphthenate and copper sulfate at a weight ratio of 1:1 and add water to prepare a color retention solution with a mass concentration of 0.1%. Stir it evenly and pour it into a dipping tank, and process step 2) Put the bamboo slices into the dipping tank, and the weight makes the bamboo slices completely immersed in the color retention solution, then close the opening of the dipping tank, open the air compressor to pressurize the dipping tank to 0.2MPa, so that the bamboo slices Color retention treatment under pressure for 10 hours;

Step 4) sending the bamboo chips after color retention into a wood drying kiln for drying, and the moisture content of the dried bamboo chips is 6%;

Step 5) Transform the traditional bamboo chip planer, that is, remove the upper knife set of the traditional bamboo chip planer, and replace the original metal pineapple roller with a nylon roller; then send the dried bamboo chips into the modified bamboo chip Fine planer, planing the other three surfaces except the bamboo green surface, the width of the bamboo strips obtained after planing is 0.5cm;

Step 6) Arrange the finely planed bamboo strips neatly on the workbench, place the bamboo green side up, and apply glue on the side to form the blank;

Step 7) Send the finished bamboo strips that have completed the assembly into a hot press with side pressure to form bamboo green boards, and then store them in a constant temperature and humidity room at 20°C and a relative humidity of 70%. The pressure temperature is 105°C, the pressure is 1.2MPa, the time is 5 minutes, and the pressure measurement pressure is 0.8MPa;

Step 8) Take out the bamboo green board, fix the back of the bamboo green board on the pre-installed substrate surface of the vertical veneer planer with hot melt adhesive, spray water on the surface of the bamboo green board to make the surface wet, and then use a smaller The amount of planing is to remove the green head on the surface of the bamboo green board, and then planing to process the second green planed veneer;

Step 9) After evenly brushing a layer of white latex on the back of the planed Erqing veneer, it is composited with polypropylene without imitation cloth and hot-pressed to form a roll or flat plate; the hot-pressed The pressure is 1.0MPa, the temperature is 80°C, and the time is 5 minutes.

Example 2

A method for processing bamboo veneer sliced veneer for decoration, comprising the following steps:

Step 1) Harvesting fresh moso bamboo with a green and beautiful appearance, no wormholes, rot, color difference, trauma and bending, etc., with a diameter of 10cm, cut off the branches with a knife, and cut them into 2-meter-long bamboo sections as required;

Step 2) After neatly planing off the protruding bamboo nodes on the bamboo section with a hand planer, send it to the bamboo splitter and cut it into 1.2cm wide bamboo slices. For bamboo slices with a width of cm, try to plan the protruding bamboo joints until the transition with the green part of Moso bamboo is as smooth as possible during the planing process, and be careful not to leave protruding bamboo joints or planing pit defects;

Step 3) Mix copper naphthenate and copper sulfate at a weight ratio of 1:1 and add water to prepare a color retention solution with a mass concentration of 0.5%. Stir it evenly and pour it into a dipping tank, and process step 2) Put the bamboo slices into the dipping tank, the weight makes the bamboo slices completely immersed in the color retention solution, then close the opening of the dipping tank, open the air compressor to pressurize the dipping tank until the pressure in the tank is 0.8MPa, so that the bamboo slices Color retention treatment under pressure for 5 hours;

Step 4) send the bamboo chips after color retention into the wood drying kiln for drying, and the moisture content of the bamboo chips after drying is 5%;

Step 5) Transform the traditional bamboo chip planer, that is, remove the upper knife set of the traditional bamboo chip planer, and replace the original metal pineapple roller with a nylon roller; then send the dried bamboo chips into the modified bamboo chip Fine planer, planing the other three surfaces except the bamboo green surface, the width of the bamboo strips obtained after planing is 0.5cm;

Step 6) Arrange the finely planed bamboo strips neatly on the workbench, place the bamboo green side up, and apply glue on the side to form the blank;

Step 7) Send the finished bamboo strips that have completed the assembly into a hot press with side pressure to form bamboo green boards, and then store them in a constant temperature and humidity room at 22°C and a relative humidity of 75%. The pressure temperature is 110°C, the pressure is 1.3MPa, the time is 4 minutes, and the pressure measurement pressure is 0.9MPa;

Step 8) Take out the bamboo green board, fix the back of the bamboo green board on the pre-installed substrate surface of the vertical veneer planer with hot melt adhesive, spray water on the surface of the bamboo green board to make the surface wet, and then use a smaller The amount of planing is to remove the green head on the surface of the bamboo green board, and then planing to process the second green planed veneer;

Step 9) After evenly brushing a layer of white latex on the back of the planed Erqing veneer, it is composited with polypropylene without imitation cloth and hot-pressed to form a roll or flat plate; the hot-pressed The pressure is 1.1MPa, the temperature is 80°C, and the time is 4 minutes.

Example 3

A method for processing bamboo veneer sliced veneer for decoration, comprising the following steps:

Step 1) Harvesting fresh moso bamboo with a green and beautiful appearance, no wormholes, decay, color difference, trauma and bending, etc., with a diameter of 12cm, cut off the branches with a knife, and cut them into 3-meter-long bamboo sections as required;

Step 2) After neatly planing off the protruding bamboo nodes on the bamboo section with a hand planer, send it to the bamboo splitter and cut it into 1.2cm wide bamboo slices. For bamboo slices with a width of cm, try to plan the protruding bamboo joints until the transition with the green part of Moso bamboo is as smooth as possible during the planing process, and be careful not to leave protruding bamboo joints or planing pit defects;

Step 3) Mix copper naphthenate and copper sulfate at a weight ratio of 1:1, add water to prepare a color retention solution with a mass concentration of 1.0%, stir it evenly, pour it into a dipping tank, and process step 2) Put the bamboo slices into the dipping tank, and the weight makes the bamboo slices completely submerged in the color retention solution, then close the opening of the dipping tank, turn on the air compressor to pressurize the dipping tank until the pressure in the tank is 1MPa, so that the bamboo slices can Color retention treatment under high pressure for 1 hour;

Step 4) send the bamboo chips after color retention into the wood drying kiln for drying, and the moisture content of the bamboo chips after drying is 3%;

Step 5) Transform the traditional bamboo chip planer, that is, remove the upper knife set of the traditional bamboo chip planer, and replace the original metal pineapple roller with a nylon roller; then send the dried bamboo chips into the modified bamboo chip Fine planer, planing the other three surfaces except the bamboo green surface, the width of the bamboo strips obtained after planing is 0.5cm;

Step 6) Arrange the finely planed bamboo strips neatly on the workbench, place the bamboo green side up, and apply glue on the side to form the blank;

Step 7) After the finished bamboo strips that have completed the assembly are sent to a hot press with side pressure to form bamboo green boards, they are stored in a constant temperature and humidity room at 25°C and a relative humidity of 80%; The pressure temperature is 120°C, the pressure is 1.5MPa, the time is 3 minutes, and the pressure measurement pressure is 1.0MPa;

Step 8) Take out the bamboo green board, fix the back of the bamboo green board on the pre-installed substrate surface of the vertical veneer planer with hot melt adhesive, spray water on the surface of the bamboo green board to make the surface wet, and then use a smaller The amount of planing is to remove the green head on the surface of the bamboo green board, and then planing to process the second green planed veneer;

Step 9) After evenly brushing a layer of white latex on the back of the planed Erqing veneer, it is composited with polypropylene without imitation cloth and hot-pressed to form a roll or flat plate; the hot-pressed The pressure is 1.2MPa, the temperature is 80°C, and the time is 3 minutes.

The present invention utilizes moso bamboo with rich resources and low price as raw material, and through special processing, produces moso bamboo two-green sliced veneer product with good decorative effect. The preparation method is simple, and the obtained product can imitate the natural green form of bamboo to the greatest extent , further processing it into bamboo furniture can overcome the limitations of existing bamboo furniture without greenness, and is suitable for various occasions such as hotels, offices, and families, and has the characteristics of beautiful appearance and durability, which can broaden the traditional application fields of bamboo , comprehensively enhance the technological content and product added value of the bamboo processing industry, realize the sustainable development of bamboo resources and the bamboo industry, and also help optimize the industrial structure, increase the number of employees, and increase the income of farmers. Therefore, it has broad development prospects.

The above descriptions are only preferred embodiments of the present invention, and all equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope of the present invention.

Claims (8)

1. a kind of processing method of Phyllostachys pubescens slicing veneer for decoration, is characterized in that: comprise the steps: Step 1) harvest fresh moso bamboo with a diameter of 8-12 cm, cut it into 1-3 meter long bamboo sections as required after cutting off the branches; Step 2) After neatly planing off the protruding bamboo nodes on the bamboo section, send it to the bamboo splitter to cut into 1.2cm wide bamboo slices, remove the inner nodes of the bamboo slices, and then cut it into 0.6cm wide bamboo slices on the slicer piece; Step 3) completely immerse the bamboo chips processed in step 2) in the color-preserving solution with a mass concentration of 0.1-1.0%, and then pressurize the bamboo chips under a pressure of 0.2-1.0 MPa for 1-10 hours; Step 4) drying the bamboo chips after color retention until the moisture content is below 6%; Step 5) Send the dried bamboo chips into the modified bamboo chip planer, planing the other three surfaces except the bamboo green surface; Step 6) Arrange the finely planed bamboo strips in an orderly manner, place the bamboo green side up, and apply glue on the side to form the blank; Step 7) Send the finished bamboo strips that have been assembled into a hot press with side pressure to form bamboo green boards, and then store them in a constant temperature and humidity room; Step 8) Take out the bamboo green board, fix the back of the bamboo green board on the pre-installed substrate surface of the vertical veneer planer with hot melt adhesive, spray water on the surface of the bamboo green board to make the surface wet, and then put the bamboo green board The green head on the surface is removed, and then planed to produce two-green sliced veneer; Step 9) After evenly brushing a layer of adhesive on the back of the planed Erqing sliced veneer, it is composited with polypropylene without imitation cloth and hot-pressed to form a roll or a flat plate. 2. According to claim 1, the processing method of moso bamboo for decoration by slicing veneer, is characterized in that: step 1) the selected fresh moso bamboo should have a green and beautiful appearance, without wormholes, rot, color difference, trauma and bending. 3. The method for processing bamboo veneer for decoration according to claim 1, characterized in that: step 3) the color retention solution is to mix copper naphthenate and copper sulfate at a weight ratio of 1:1 and then add water formulated. 4. according to claim 1, the processing method of cutting veneer with two green moso bamboos for decoration, is characterized in that: step 5) the modified bamboo chip planer is to remove the upper knife set of the traditional bamboo chip planer , and replace the original metal pineapple roller with a nylon roller. 5. The method for processing veneer sliced with moso bamboo for decoration according to claim 1, characterized in that: step 7) the temperature of the hot pressing is 105~120°C, the pressure is 1.2~1.5MPa, and the time is 3~ 5 minutes, the manometric pressure is 0.8~1.0MPa. 6. The method for processing bamboo veneer for decoration according to claim 1, characterized in that in step 7) the temperature in the constant temperature and humidity room is controlled at 20-25°C, and the relative humidity is controlled at 70-80% . 7 . The method for processing bamboo veneer for decoration according to claim 1 , characterized in that: in step 9), the adhesive is white latex. 8. The method for processing veneer sliced from moso bamboo for decoration according to claim 1, characterized in that: step 9) the pressure of the hot press forming is 1.0~1.2MPa, the temperature is 80°C, and the time is 3~5 minute.