CN110103307A - A kind of flaking technique of long material wood shavings - Google Patents

A kind of flaking technique of long material wood shavings Download PDF

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Publication number
CN110103307A
CN110103307A CN201810101963.9A CN201810101963A CN110103307A CN 110103307 A CN110103307 A CN 110103307A CN 201810101963 A CN201810101963 A CN 201810101963A CN 110103307 A CN110103307 A CN 110103307A
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CN
China
Prior art keywords
wood shavings
long
flaking
technique
log
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Pending
Application number
CN201810101963.9A
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Chinese (zh)
Inventor
薛茂林
钟笃章
国智武
葛立军
郑凤山
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Shouguang Luli Wood Co Ltd
Original Assignee
Shouguang Luli Wood Co Ltd
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Filing date
Publication date
Application filed by Shouguang Luli Wood Co Ltd filed Critical Shouguang Luli Wood Co Ltd
Priority to CN201810101963.9A priority Critical patent/CN110103307A/en
Publication of CN110103307A publication Critical patent/CN110103307A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B27WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27LREMOVING BARK OR VESTIGES OF BRANCHES; SPLITTING WOOD; MANUFACTURE OF VENEER, WOODEN STICKS, WOOD SHAVINGS, WOOD FIBRES OR WOOD POWDER
    • B27L11/00Manufacture of wood shavings, chips, powder, or the like; Tools therefor
    • B27L11/02Manufacture of wood shavings, chips, powder, or the like; Tools therefor of wood shavings or the like

Abstract

The present invention provides a kind of flaking technique of long material wood shavings, the flaking technique, including log pretreatment, juggle peeling and flaking, the flaking, fly cutter sharpening angle are 32 °, and it is 0.5-0.9mm that fly cutter, which stretches knife amount, the angle of reversed knife is 80-95 °, and the spacing of scoring knife is 110-130mm;It further include log pretreatment, the log pretreatment, the diameter grade of log is 12-60cm, log relative moisture content 50-90%;The wood shavings length of the long material wood shavings is 110-130mm, and wood shavings are with a thickness of 0.3-0.65mm;By a kind of oriented structure chipboard of long material wood shavings preparation, parallel bending elastic modulus is 4368-4452MPa, and vertical curve elasticity modulus 2035-2066MPa, internal bond strength is 0.44-0.52 MPa.

Description

A kind of flaking technique of long material wood shavings
Technical field
The invention belongs to plate manufacturing technology fields, are related to a kind of plate wood shavings, and in particular to a kind of plane of long material wood shavings Blade technolgy.
Background technique
Particieboard is one of new varieties of wood-based plate, and oriented structure chipboard be acknowledged as it is fast-growth, most have A kind of plate of life and technology maturation.Oriented structure chipboard board raw material is mainly soft needle, the undersized log of broad-leaved wood, fast-growing Thinnings etc., such as eucalyptus, China fir, poplar thinnings, source may be produced that large-breadth plates than wide, manufacture work Skill is mainly by the flaking of certain geometrical shape through drying, sizing, orienting spreading and hot-forming.Oriented structure chipboard is paving Wood shavings arrange manufactured concora crush oriented wood chipboard in certain direction when dress.Since shaving shape is larger, so oriented structure wood shavings Plate requires height to the dimensions of raw material, typically by path dimension stock through long-log sheer, drum-type flaking, disk type flaking machine etc. It planes.With being increasingly enhanced for environmental consciousness, consumer is higher and higher to the quality requirement of furniture, it is therefore desirable to Yi Zhongwen Qualitative good, applied widely environment-friendly materials, long material wood shavings either thickness or length and width are evenly distributed unanimously, and it is fixed to be best suited for To structural particleboard and can facing oriented structure chipboard raw materials for production.
There are following major defects for existing long material wood shavings:
(1) shaving shape is irregular;
(2) wood shavings are in uneven thickness, are distributed and do not concentrate, and qualification rate is in 50-60%;
(3) mechanical strength uniformity and stability are poor;
(4) wood shavings water content is uneven.
Due to long material wood shavings drawbacks described above, influence to subsequent technique:
(1) it is unfavorable for the precision of mating formation in later period, will cause unevenness of mating formation, density variation is excessive, timber intensity decline;
(2) shaving shape is irregular, causes the reduction of press speed, production capacity decline.
It is short to produce cutter life in the technique of long material wood shavings in the prior art, cutter life 10 days, whets a knife time Number 2 times/24 hours, tool changing and sharpening were complicated for operation, caused production efficiency low, production capacity decline, so, the quality of long material wood shavings, The mechanical strength of plate is not only influenced, and has directly influenced cutting-tool's used life and long material wood shavings yield.
Summary of the invention
Against the above deficiency, technical problem to be solved by the invention is to provide a kind of flaking works of long material wood shavings by the present invention Skill.Following goal of the invention may be implemented in the present invention:
(1) the long material wood shavings of flaking technique preparation of the present invention: shaving shape rule, wood shavings thickness distribution is uniform, wood shavings mechanics is strong It spends uniformity and stability is good;
(2) using the flaking technique of long material wood shavings of the invention, cutter life extends 50%, and sharpening number reduces 50%;
(3) the flaking technique of long material wood shavings of the invention, high production efficiency are used, production capacity greatly improves;
(4) using the oriented structure chipboard of long material wood shavings production prepared by the present invention and can facing oriented structure chipboard intensity Height, mechanical strength are uniform and stable.
In order to solve the above technical problems, using following technical scheme:
A kind of flaking technique of long material wood shavings, which is characterized in that the flaking technique includes flaking.
As currently preferred technical solution, the flaking, used log relative moisture content is 50-90%, is adopted Fly cutter sharpening angle is 32 °, and it is 0.5-0.9mm that fly cutter, which stretches knife amount,.
As currently preferred technical solution, the flaking, the angle of reversed knife is 80-95 °.
As currently preferred technical solution, the flaking, the spacing of scoring knife is 110-130mm.
As currently preferred technical solution, the flaking technique further includes log pretreatment, and the log is located in advance Reason, the diameter grade of log are 12-60cm.
As currently preferred technical solution, the long material wood shavings, wood shavings length be 110-130mm, wood shavings with a thickness of 0.3-0.65mm。
As currently preferred technical solution, a kind of flaking technique of long material wood shavings, further includes juggle peeling, The juggle peeling, peeling machine start total current load≤260A.
As currently preferred technical solution, a kind of flaking technique of long material wood shavings further includes adding for juggle Work, the processing of the juggle, finished product juggle length are 2.8-3.2m.
As currently preferred technical solution, the long material wood shavings that the flaking technique obtains, the effective qualification rate of wood shavings For 90-96%.
As currently preferred technical solution, orientation knots prepared by the long material wood shavings that obtained as the flaking technique Structure particieboard, parallel bending elastic modulus are 4368-4452MPa, vertical curve elasticity modulus 2035-2066MPa;Interior combination is strong Degree is 0.44-0.52MPa.
The invention adopts the above technical scheme, compared with prior art, has the advantage that
(1) the long material wood shavings of flaking technique preparation of the present invention:
Shaving shape rule, length and width and thickness meet prescribed requirement;
Wood shavings thickness uniformly, thickness distribution concentrate, compared with small powder, low compared with aniseed content, qualification rate is greater than 90%;
Wood shavings mechanical strength uniformity and stability are good;
Wood shavings moisture content is uniform;
(2) using the flaking technique of long material wood shavings of the invention, cutter life extends 50%, and sharpening number reduces 50%;
(3) high using long material wood shavings timber intensity produced of the invention, mechanical strength is uniform and stable;
(4) the flaking technique of long material wood shavings of the invention, high production efficiency, production capacity improve 10%.
Specific embodiment
A kind of flaking technique of long material wood shavings of embodiment
The present invention provides a kind of flaking techniques of long material wood shavings, and the long material wood shavings prepared by the technique, either thickness are still Length and width are evenly distributed unanimously, be suitable for oriented structure chipboard and can facing oriented structure chipboard raw materials for production;Long material plane Fresh, free of bark and other impurities and metal are spent, both ensure that wood shavings quality also ensures the without interruption of production line raw material.
The present invention also provides the production technologies of above-mentioned long material wood shavings, comprising the following steps: log pretreatment-juggle adds Work-juggle peeling-metal juggle sorting-juggle packing and the long material shaving machine flaking of charging-, obtain long material wood shavings.
The flaking technique of long material wood shavings of the invention the following steps are included:
1, log pre-processes:
Log is to obtain high quality after entering factory, efficient long material wood shavings, is needed before log processing to satisfactory original Wood is pre-processed;Pretreated log debarking is quick, shaving shape uniformity.
1) log type: the tree species suitable for long material wood shavings include pine, poplar, Chinese hemlock spruce, do not include paulownia wood, fruit tree, willow Wood and fawns on more hardwood at elm;
2) diameter grade requirement: log diameter grade is in 12-60cm;
3) it water content requirement: fells based on the half a year fresh log below, it is desirable that no between log relative moisture content 50-90% Must then carry out shower humidification processing can flaking, goods yard spray >=48 hours.
2, the processing of juggle:
The juggle of long material wood shavings, which is processed, to be completed by briar;
Briar is to press from both sides the wooden machine to the juggle for requiring length is sawed into compared with long-cut wood and log is put on briar workbench, lead to The qualified juggle that log is sawed into needs by point saw in lateral endless chain log haul up is crossed, length can be by adjusting saw blade Installation site is adjusted, and finished product juggle length is 2.8-3.2 meters.
3, juggle peeling:
Qualified juggle is delivered to 12 meters of high positions by endless chain log haul up, falls into peeling machine by slideway and carries out peeling.
Peeling machine is drum barker, and the efficiency and peeling result of peeling machine are adjusted by control current of electric speed Section control, specifically it is shown in Table 1.
Given speed and the speed of service are consistent under peeling machine normal operating conditions, and peeling machine is always electric when starting Stream load≤260A, in 60-100% when peeling machine hydraulic door aperture runs well;
By the rotation of drum barker itself, so that constantly being touched between juggle and juggle, between juggle and roller Friction is hit to peeling, and roller constantly rotate and the promotion of special inside material toggling tooth under, juggle is from drum inlet Reach the discharge door position of outlet;The aperture of discharge door and the rotation speed of roller are adjusted, to adjust the quality and efficiency of peeling.
1 peeling machine current of electric speed control of table
4, the sorting of metal juggle:
After the juggle and bark of peeling are discharged from the discharge door of drum barker together, the chain with screening bark is entered On haul up, bark is split into conveyor belt along haul up gap;
Juggle continues to move ahead along endless chain log haul up, by metal detector, issues signal to computer, computer hair after detecting metal It is instructed out to subsequent log turner, log turner will have the juggle waste discharge of metal, and qualified juggle enters transversal log haul-up.
5, the packing and charging of juggle:
Qualified juggle is delivered to baler by transversal log haul-up and packing is conducted batch-wise, and is delivered to long material shaving machine, keeps bundling The juggle of machine bundling is compact, direction is consistent.
Convenient for bulk-fed after juggle packing, to obtain maximum wood shavings output, there are two promote for bulk feed system Juggle after packing is alternately sent into chipper by device.
6, flaking:
Log enters chipper as unit of bundle and carries out flaking after baler bundling;It is set by adjusting the target of chipper Determine thickness, fly cutter sharpening angle, reversed nose angle degree, fly cutter stretches knife amount, and the parameter of chipper is as shown in table 2, finally obtains efficiently Qualified wood shavings.
Table 2: the flaking technological parameter of 1-5 long-log sheer of the embodiment of the present invention
The flaking technique of long material wood shavings of the invention the utility model has the advantages that
1. the service life and sharpening number of blade compare
As can be seen from the above table, cutter life is short in the technique of the long material wood shavings of production of the prior art, and cutter uses Service life 10 days, sharpening number 2 times/24 hours, tool changing and sharpening were complicated for operation, caused production efficiency low, production capacity decline;The present invention Cutter life is long in the technique of the long material wood shavings of production of embodiment 1-5, whets a knife often, and tool changing and sharpening are easy to operate, High production efficiency, production capacity are improved.
2. the testing result of long material wood shavings of the invention
Wherein, the effective qualification rate of wood shavings is, in the long material wood shavings of the flaking technique preparation through long material wood shavings of the invention, wood shavings Length and thickness are in effective wood shavings of ± 10% range of standard value and the number percent of total wood shavings.
3. oriented structure chipboard (OSB) plate of 12mm prepared by the long material wood shavings using the embodiment of the present invention 1-5 The testing result of material
By above table it is found that the long material Chipboard of the embodiment 1-5 of flaking technique according to the present invention production, wood shavings surface Without particle, surface jack plane flower piece type is regular, larger, and the quality index of product is good, and mechanical strength is uniform and stable and increases, because Shaving shape rule press speed is also accordingly improved, it can be achieved that continuous production, production capacity increase.
The embodiment 1-5 Chipboard effect of flaking technique production of the invention is better than the prior art, and the prior art is It blindly produces, as seen from table, the technical effect of embodiment 3-4 is best, i.e., best when log relative moisture content is 55-65%.
Unless otherwise indicated, percentage of the present invention is weight percent, and ratio of the present invention is Mass ratio.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, It, for those skilled in the art, still can be with although describing the invention in detail with reference to the foregoing embodiments It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in guarantor of the invention Within the scope of shield.

Claims (10)

1. a kind of flaking technique of long material wood shavings, which is characterized in that the flaking technique includes log pretreatment, juggle peeling And flaking.
2. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the flaking, it is used Log relative moisture content is 50-90%.
3. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the flaking, it is used Fly cutter sharpening angle is 32 °, and it is 0.5-0.9mm that fly cutter, which stretches knife amount,.
4. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the flaking, reversed knife Angle is 80-95 °, and the spacing of scoring knife is 110-130mm.
5. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the flaking technique, institute Log pretreatment is stated, the diameter grade of log is 12-60cm.
6. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that a kind of long material wood shavings Flaking technique, the juggle peeling, peeling machine total current load≤260A.
7. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that a kind of long material wood shavings Flaking technique, further include the processing of juggle, the processing of the juggle, finished product juggle length is 2.8-3.2m.
8. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the flaking technique obtains Long material wood shavings, the effective qualification rate of wood shavings be 90-96%.
9. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that the long material that the technique obtains Wood shavings, wood shavings length are 110-130mm, and wood shavings are with a thickness of 0.3-0.65mm.
10. a kind of flaking technique of long material wood shavings according to claim 1, which is characterized in that by the flaking technique Oriented structure chipboard prepared by obtained long material wood shavings, parallel bending elastic modulus are 4368-4452MPa, vertical curve Elasticity modulus 2035-2066MPa;Internal bond strength is 0.44-0.52MPa.
CN201810101963.9A 2018-02-01 2018-02-01 A kind of flaking technique of long material wood shavings Pending CN110103307A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1122745A (en) * 1995-09-14 1996-05-22 南京林业大学 Method for mfg. oriented structure shaving board
CN101214677A (en) * 2008-01-15 2008-07-09 邱天祥 Method of preparing full bamboo or bamboo wood composite oriented structure shaving board
CN104626292A (en) * 2015-02-06 2015-05-20 寿光市鲁丽木业有限公司 Surface-decorated oriented strand board and preparation process thereof
CN106671216A (en) * 2016-11-30 2017-05-17 聊城德晟木业有限公司 Preparation method for novel low-density, low-cost and high-strength shaving board
CN107186849A (en) * 2017-07-20 2017-09-22 安徽省凌锋冶金机械有限公司 A kind of high-precision forestry composite blade and its production technology
CN107379141A (en) * 2017-08-02 2017-11-24 天津北新木业有限公司 A kind of fire-retardant oriented wood chipboard of modification and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1122745A (en) * 1995-09-14 1996-05-22 南京林业大学 Method for mfg. oriented structure shaving board
CN101214677A (en) * 2008-01-15 2008-07-09 邱天祥 Method of preparing full bamboo or bamboo wood composite oriented structure shaving board
CN104626292A (en) * 2015-02-06 2015-05-20 寿光市鲁丽木业有限公司 Surface-decorated oriented strand board and preparation process thereof
CN106671216A (en) * 2016-11-30 2017-05-17 聊城德晟木业有限公司 Preparation method for novel low-density, low-cost and high-strength shaving board
CN107186849A (en) * 2017-07-20 2017-09-22 安徽省凌锋冶金机械有限公司 A kind of high-precision forestry composite blade and its production technology
CN107379141A (en) * 2017-08-02 2017-11-24 天津北新木业有限公司 A kind of fire-retardant oriented wood chipboard of modification and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪华福等: "《木材工业实用大全(刨花板卷)》", 31 January 1998 *

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