CN1093314A

CN1093314A - The production method of bamboo plywood and prepared product

Info

Publication number: CN1093314A
Application number: CN 93103809
Authority: CN
Inventors: 陈瑞晃
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-04-08
Filing date: 1993-04-08
Publication date: 1994-10-12

Abstract

The invention relates to the production method of bamboo plywood and with the product of this method manufacturing.This method comprises with the bamboo being raw material, through raw material hack, select, closely arrange automatically in the north-south, the mechanization mode is formed curtain band, drying, impregnation, levelling, drying, dehumidifier, cut out, assembly, step such as hot-forming.Can be used as preparation counter material with the prepared bamboo plywood of this method, can also Manufacture of Floor, furniture etc., the thick glued board of other purposes and timber is similar, but hardness, intensity, wearability, low water absorbables etc. are better than the wood gluing plate, are a kind of good engineering structure new materials.

Description

The production method of bamboo plywood and prepared product

The invention relates to the production method of glued board, more particularly about the continous way production in enormous quantities method of bamboo plywood and with the prepared product of this method.

In the prior art, the patent report of relevant bamboo plywood is more, has for example mentioned among Philippine's utility model patent NO.43 and has adopted adhesive and packing material to flatten the method for bamboo wood in " lamination bamboo wood " patented product production technology.Domestic then have weave into bamboo mat after bamboo wood split the thin bamboo strip, soak the method for producing the bamboo mat plywood product behind (or being coated with) glue again; Directly soak (or being coated with) glue after in addition bamboo wood being split the thin bamboo strip, stacked again gummed is produced the method for bamboo wood laminate.Further, disclose a kind of bamboo plywood manufacture method in CN-87100637, the processing flattening method of its mao bamboon adopts and removes inside and outside ring, subdivision, and through poach, wax boils the method that the softening processing of secondary back pressurization flattens.Above the whole bag of tricks adhesive is unstable unified, the parameter inequality of glue, and internal stress is a problem, and manual operations is many, and output and quality are wayward, so influenced using and promoting of product widely.

One of purpose of the present invention is the production method of the high bamboo plywood of a kind of mechanization degree of development.

It is easy that two of purpose of the present invention provides a kind of technology, can unify quality, produces the utilization rate of bamboo height in a large number, the bamboo plywood that properties of product are superior.

These and other objects of the present invention will be come open further by following specific embodiment and be elaborated.

Fig. 1 is the stereogram of bamboo curtain splint of the present invention.

Fig. 2 is the partial enlarged drawing of bamboo curtain splint of the present invention.

The main production method of bamboo plywood of the present invention is as follows:

A, raw material is prepared, the high velocity stream ability of swimming is made bamboo chip;

Adopt thick meat mao bamboon more than 3 years, the debranching defoliation is kept at the humidity place of sheltering from heat or light; Bamboo by production requirement, promptly by the breadth length requirement section of opening of producing sheet material, is split into about 10-30mm bamboo bar with the push-press type stripping-cutting machine with the bamboo section again, remove surf green through automatic machine, bamboo is bulky, the flat then thin bamboo plate that cuts open into about 1-3mm of opening, straight bamboo chip gives over to panel and uses through limit for width processing attractive in appearance; Thin bamboo plate is opened and is cutd open technology and hack unit in continous way and carry out, machine component North and South direction is arranged respectively and is constructed, and the bamboo chip of south orientation and north orientation is delivered to quality respectively and checked line before the automatic transport band, and the standard bamboo chip send before continuing, defective bamboo chip is examined becomes waste material, and short material can re-use through manually plugging into.The above-mentioned process of hacking, be thick down the going up carefully of the bodily form at mao bamboon itself, thick down thin factor is carried out, therefore under the continous way production requirement, the lose-lose of branch levels send belt to carry out, the upper strata is the south orientation sheet, lower floor is the north orientation sheet, keep identical production and transporting velocity line on inspection, maximal end point is to fall under the south orientation bamboo chip of upper strata on north orientation bamboo chip line, the bamboo chip of this moment is arranged and has been formed each arrangement of " between plum blossom " (being that concentric reducer is staggered) north-south, is fed forward on the continous way bamboo curtain splint assemble line.

B, bamboo chip is closely arranged through the automatic north and south of belt system, is interconnected to the curtain shape and is rolled into loose curtain volume;

Bamboo chip is arranged (concentric reducer interlock reversed arrangement) through north and south, pass through accelerating pulley band or manipulator forward bamboo chip is closely arranged, and with machinery or chemical method bamboo chip is interconnected to the curtain shape, and clot; Chemical method described herein can be to adopt resistant to elevated temperatures adhesive tape (commercially available prod) by the method for heating, roll extrusion bamboo chip to be interconnected, described physical method is bamboo chip is connected or with nailing machine (similar with the stationery stapler) bamboo chip to be interconnected to the curtain shape with the method for the synchronous punching of punching use in sewing machine, the nail shape of nailing machine can be changeable, can be as stationery staple shape.After the connection, be rolled into loose shape curtain volume with screen-roller collection.

C, the curtain volume is vertical or flat is dry, impregnation, levelling;

Volume flat or straight formula are sent into forward in the dryness finalization room along production line, and temperature is about 100-160 ℃, can pressurize or not pressurize, and control bamboo chip moisture content is below 10%; Dry back bamboo curtain splint volume is rolled up straight formula with ground jack with curtain and is sling through cooling, delivers to Jiao Chi along track, send preceding levelling behind the whole volume bamboo curtain splint impregnation, and air-dry, the time depends on the circumstances, and decides on the product of required making in the kind of this glue.Say the kind to glue in principle, manufacturer does not have special requirement, if having bonding force and can be high temperature resistant just can, this professional domain the technical staff know this very much.

D, drying, dehumidifier;

Bamboo curtain splint after air-dry is sent in the drying oven along production line flat or straight formula, under about 50-90 ℃ temperature,, and then through the dehumidifier room moisture content is volatilized and to drain the glue drying with the speed of ordinary production, and is standby.

E cuts out, assembly, hot forming;

Bamboo volume kept flat again separate, cut out at triplex row unification formula assembly line respectively, delegation indulges formula, delegation's horizontal type, respectively the curtain band is opened and be cut to coreboard by product width, delegation specially cuts out and makes panel layer usefulness through the bamboo chip curtain band of processing attractive in appearance, cooperates through the conveyer belt of joining mutually, wants the number of plies to carry out assembly by product; Each assembly frame is taken advantage of and is carried an enough hot press pressing plate quantity, delivers to hot-pressed board, and the bamboo plywood material is finished in indivedual then cutting edges.The assemble pattern of large-breadth plates by using is the irregular interface arrangement of horizontal type core curtain, and vertical formula core curtain and face curtains can be opened sanction by length requirement.Can be used as preparation counter material with the prepared bamboo plywood of method of the present invention, can also Manufacture of Floor, the occasion of furniture, building materials and the wooden plywood type steel plate of all needs.

In the present invention, all equipment are all produced and are sold by the diligent international Development Co., Ltd of Hong Kong enlightening.

The bamboo plywood prepared with the present invention at first do not have environmental pollution, meet world's environmental requirement, characteristics such as its intensity, hardness, wearability, impact resistance, low water absorption are all than general wood plywood height, can substitute the purposes of present wood plywood, it is a kind of good engineering structure new material, in the face of the tropical rain forest worsening shortages, bamboo plywood will definitely become the best substitute for wood under the environmental requirement.

Claims

1, the production method of bamboo plywood is characterized in that comprising the steps:

A, raw material is prepared, and the high velocity stream ability of swimming is made bamboo chip;

B, bamboo chip is closely arranged through the automatic north and south of belt system, is interconnected to the curtain shape, and is rolled into loose formula curtain volume;

C, the curtain volume is vertical or flat is dry, impregnation, levelling;

D, drying, dehumidifier;

E cuts out; Assembly, hot forming.

2, the production method of bamboo plywood as claimed in claim 1 is characterized in that the A step comprises the raw material felling, and the debranching defoliation removes ring by production requirement, cuts open the well-thought-out plan bar, removes surf green, and bamboo is bulky, and flat opening cutd open the thin bamboo plate into about 1-3mm.

3, the production method of bamboo plywood as claimed in claim 1, it is characterized in that the B step comprises that head is staggered oppositely in the conveyer belt auto arrangement by size with bamboo chip, through accelerating pulley band or manipulator bamboo chip is closely arranged, bamboo chip is interconnected to the curtain shape with machinery or chemical method, and clot.

4, the production method of bamboo plywood as claimed in claim 1 is characterized in that the C step comprises curtain volume is directly sent in the dryness finalization room that temperature is about 100-160 ℃, can pressurize or not pressurize, and control bamboo moisture content is below 10%; The impregnation pond is delivered in cooling then, send preceding levelling behind the straight formula impregnation, and is air-dry.

5, the production method of bamboo plywood as claimed in claim 1, it is characterized in that the D step comprises sends the bamboo after air-dry volume into drying oven, under 50-90 ℃ temperature, with the speed of ordinary production with the glue drying, and then through the dehumidifier room with the moisture content volatilization drain, standby.

6, the production method of bamboo plywood as claimed in claim 1, it is characterized in that the E step comprises as required cuts out the bamboo curtain splint sheet, carry out assembly by the required number of plies of product, deliver to and be hot pressed into sheet material in the hot press, the assemble pattern of large-breadth plates by using is the irregular interface arrangement of horizontal type core curtain, and vertical formula core curtain and face curtains can be opened sanction by length requirement.

7, method as claimed in claim 3, it is characterized in that, described chemical method can be by heating, roll extrusion interconnects resistant to elevated temperatures bonding bringing with bamboo chip, described physical method is that the method with the synchronous punching of punching use in sewing machine is interconnected to the curtain shape with the bamboo chip connection or with nailing machine (similar with the stationery stapler) with bamboo chip.

8, as the described method of claim 1-7, it is characterized in that with the prepared bamboo plywood of this method also can be used as preparation counter material except that doing the general service, can also Manufacture of Floor, furniture etc.