CN202742455U

CN202742455U - Bamboo filament composite board

Info

Publication number: CN202742455U
Application number: CN 201220394423
Authority: CN
Inventors: 周松珍
Original assignee: Zhejiang Jiuchuan Bamboo & Wood Co Ltd
Priority date: 2012-08-10
Filing date: 2012-08-10
Publication date: 2013-02-20
Anticipated expiration: 2022-08-10

Abstract

The utility model discloses a bamboo filament composite board which is formed by bonding at least three bamboo layers; layers in an odd number are bamboo filament layers; layers in an even number are bamboo chip layers; and an upper surface layer and a lower surface layer are bamboo filament layers. According to the bamboo filament composite board, leftover materials which are produced in mao bamboo processing are fully utilized, so that the cost is low; the bamboo chip layers are clamped between the bamboo filament layers, not only are bamboo chips utilized, but also the characteristic that the toughness of bamboo filaments is good is fully utilized, so that the bamboo filament composite board has good strength, good processing performance, and wide purposes; the upper surface layer and the lower surface layer of the bamboo filament composite board are the bamboo filament layers; and like a process in which a bamboo composite board is manufactured with mao bamboo as the raw material, according to the structure, the bamboo chip layers are not leaked out, the environment is protected, the use is safe, and the appearance is attractive.

Description

Bamboo silk composite plate

Technical field

The utility model relates to bamboo-wood plyboard, especially a kind of bamboo silk composite plate.

Background technology

Existing bamboo-wood plyboard (such as ZL200820102096.2, ZL02120518.3) is take mao bamboon as raw material, superimposed press plates again behind past ring, subdivision (cut open and slight), oven dry, impregnation.Use mao bamboon to make bamboo-wood plyboard, production cost is higher, and the wasting of resources is lacked competitiveness.

In the mao bamboon process, can produce a large amount of discarded mao bamboon leftover pieces, these mao bamboon leftover pieces can be divided into again bamboo silk and bamboo section, here the bamboo silk of the said bamboo silk discarded fine strip shape that refers to produce in the mao bamboon process, the joint material that produces when said bamboo section refers to ring here and saw cut and add the bamboo fragment that produce man-hour.How effectively to utilize the mao bamboon leftover pieces of these pure naturals, become an important technical task.

The utility model content

The purpose of this utility model is: a kind of bamboo silk composite plate is provided, and cost is low, and intensity is good, and good processability is of many uses.

For achieving the above object, the utility model can be taked following technical proposals:

A kind of bamboo silk of the utility model composite plate, being bonded together by at least three layers of bamboo matter layer consists of, and its odd-level is bamboo silk layer, and its even level is bamboo particle layer, and its upper epidermis and lower top layer are bamboo silk layer.

Described bamboo silk layer is combined by bamboo silk gum and consists of, and described bamboo particle layer consists of by the bamboo particle is glued together.

Compared with prior art the beneficial effects of the utility model are: owing to adopting technique scheme, the odd-level of described bamboo silk composite plate is bamboo silk layer, even level is bamboo particle layer, the upper epidermis of bamboo silk composite plate and lower top layer are bamboo silk layer, the bamboo silk composite plate of this structure, what all utilize is the leftover pieces that produce in the mao bamboon process, and cost is low; Bamboo particle layer is clipped between the bamboo silk layer, has not only utilized the bamboo particle, and take full advantage of the characteristics of bamboo silk good toughness, so that bamboo silk composite plate intensity is good, good processability, of many uses; The upper epidermis of bamboo silk composite plate and lower top layer are bamboo silk layer, and this structure with to use mao bamboon to make bamboo matter composite plate as raw material the same, can not make bamboo particle layer leak outside environmental protection, safety, appearance looks elegant.

Description of drawings

Fig. 1 is structural representation of the present utility model.

The specific embodiment

As shown in Figure 1, a kind of bamboo silk of the utility model composite plate, bonded together by three layers of bamboo matter layer and to consist of, its odd-level (ground floor and the 3rd layer) is

bamboo silk layer

1,3, its even level (second layer, also be the intermediate layer) be bamboo particle layer 2, described

bamboo silk layer

1,3 is combined by bamboo silk gum and consists of, and described bamboo particle layer 2 consists of by the bamboo particle is glued together.Here the bamboo silk of the said bamboo silk discarded fine strip shape that refers to produce in the mao bamboon process, the joint material that produces when said bamboo section refers to ring here and saw cut and add the bamboo fragment that produce man-hour.

The preferred processing method of above-mentioned bamboo silk composite plate comprises the steps:

Step 1: select materials

The mao bamboon leftover pieces that produce in the bamboo processing process, the bamboo silk that is divided into fine strip shape, with scrappy bamboo section, select materials and exactly bamboo silk, bamboo section are sorted out, then bamboo silk and bamboo section are carried out hydrothermal treatment consists, described hydrothermal treatment consists is exactly that the bamboo wood moisture control after the processing is between 40%～60% with the boiling 3～5 hours under 90～160 ℃ of temperature of bamboo silk and bamboo section, its Main Function is that insect protected, mildew-resistant are processed, and reduces the hardness of raw material; Increase the pliability of raw material, reduce the cured matter of bamboo material surface, increase bonding strength; After the hydrothermal treatment consists, the bamboo silk is selected, the bamboo section is chipped, processing well-thought-out plan particle;

Step 2: processing bamboo silk

The bamboo silk is gone out all size by the length coarse and fine separation, lash bunchy, the bamboo silk layer that is used for the processing dimension that the length thickness is close;

The bamboo silk that lashes bunchy is put into drying room carries out drying, making its moisture content is 10～15%, and this bamboo silk is true qualities;

To put into through the above-mentioned dry bamboo silk of processing and carry out carbonization in the carbide furnace, the control temperature and time can be controlled charing in various degree, and the bamboo silk after the charing is light brown or dark-brown;

Bamboo silk after drying, the carbonization carries out impregnation with urea glue, phenol glue or melamine glue, carries out drying again, and gel content accounts for 2%～6% of raw material gross weight, and moisture content is 8%～15%;

Step 3: processing bamboo particle

The bamboo particle is put into drying room carries out drying, making its moisture content is 10～15%, the bamboo particle adopts spraying applying glue method, urea glue, phenol glue or melamine glue are sprayed onto the surface of particle by the glue spraying hole of glue mixer loam cake with vaporific form, stirring by agitator makes glue progressively be tending towards even distribution on the particle surface, gel content accounts for 8%～15% of bamboo particle gross weight, and the bamboo particle after the applying glue is placed on normal temperature about lower half an hour;

Step 4: processing bamboo silk composite plate

Calculate the required bamboo particle weight of the required bamboo silk weight of every layer of bamboo silk layer and every layer of bamboo particle layer and weigh according to the volume of bamboo silk composite plate to be made and densitometer, make removable boxlike or frame mold, individual layer bamboo silk material is packed in the mold, at individual layer bamboo silk material upper berth one deck bamboo particle, repave one deck bamboo silk material on the bamboo particle, bamboo silk layer and bamboo particle layer are staggered stacked, applying a little vibration makes bamboo silk material and bamboo particle load just base of closely knit formation bamboo silk composite plate in mold, tear mold open, fixing to the just base binding of bamboo silk composite plate again, the thickness that bundlees employed band is preferably 0.3～0.5mm;

The first base of bamboo silk composite plate is put into hot press carry out the hot-press solidifying moulding, temperature is controlled at 85～180 ℃, 6～20 minutes time, just base is thicker for bamboo silk composite plate, and required time is longer, otherwise just base is thinner for bamboo silk composite plate, required time is shorter, removes bundling belt, and the bamboo silk composite plate dislocation after the moulding is carried out heat cure in the greenhouse, temperature is controlled at 150～200 ℃, and the time is 3～8 hours;

Step 5: saw limit, sanding

Burr bamboo silk composite plate after the hot pressing is sawn into the bamboo silk composite plate of all size after cooling, carry out sanding again and process.

The bamboo silk composite plate of using method of the present utility model to produce is equal to or greater than like product in aspect data such as MOR, density, MOR rift grain 〉=60MPa wherein, band 〉=30MPa.The bamboo furniture of producing with this technology has good anti-corrosive properties (anticorrosion grade reaches the H4 grade standard among the Australia protection timber AS1604.1-2000), formaldehyde discharges to limit the quantity of to be carried out according to international E1 grade standard, and other performance indications also are higher than other like product standard values.The mean value of product technology parameter is such as table 1-1.

The mean value of table 1-1 product technology parameter

Claims

1. bamboo silk composite plate, being bonded together by at least three layers of bamboo matter layer consists of, and it is characterized in that: its odd-level is bamboo silk layer (1,3), and its even level is bamboo particle layer (2), and its upper epidermis and lower top layer are bamboo silk layer (1,3).

2. bamboo silk composite plate according to claim 1, it is characterized in that: described bamboo silk layer (1,3) is combined by bamboo silk gum and consists of, and described bamboo particle layer (2) consists of by the bamboo particle is glued together.