CN103101089B - Method of using waste timber to manufacture finger joint jointed boards - Google Patents

Method of using waste timber to manufacture finger joint jointed boards Download PDF

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Publication number
CN103101089B
CN103101089B CN201310038581.3A CN201310038581A CN103101089B CN 103101089 B CN103101089 B CN 103101089B CN 201310038581 A CN201310038581 A CN 201310038581A CN 103101089 B CN103101089 B CN 103101089B
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China
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waste
finger
sheet
manufacture
old wood
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CN201310038581.3A
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Chinese (zh)
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CN103101089A (en
Inventor
唐武群
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开县庆宁木业有限公司
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Publication of CN103101089A publication Critical patent/CN103101089A/en
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Abstract

The invention discloses a method of using waste timber to manufacture finger joint jointed boards. The method of using the waste timber to manufacture the finger joint jointed boards comprises the following steps: S1: arranging the waste timber; S2: polishing processing; S3: sawing into flaky boards; S4: selecting the boards in a classified way and conducting refurbishment processing; S5: combing teeth processing; S6: gluing to form finger strips; S7: piecing into base boards of the finger joint jointed boards after all sides are polished; S8: processing the base boards of the finger joint jointed boards in a cold pressing mode through a board cold press; S9: and conducting edge sawing and sanding processing on the base boards of the finger joint jointed boards which are processed in a cold pressing mode to obtain finished products of the finger joint jointed boards. The method of using the waste timber to manufacture the finger joint jointed boards enables the slightly corroded timber to be reused after the refurbishment processing of the whitening of the slightly corroded timber and gum dipping, so that use rate of the waste timber is improved. In addition, the method of using the waste timber to manufacture the finger joint jointed boards is simple in procedures and can manufacture the finger joint jointed boards which are similar to a solid board only through two-time brush coating and one-time cold pressing, so that energy and consuming cost of auxiliary materials are reduced.

Description

Waste and old wood is utilized to manufacture the method for finger jigsaw and a kind of finger jigsaw

Technical field

The present invention relates to a kind of reutilization technology of waste and old wood, particularly relate to and utilize waste and old wood to manufacture the method for finger jigsaw and a kind of finger jigsaw.

Background technology

China is the country of timber resources relative shortage in the world, and afforestation rate is only equivalent to 3/5 of world average level, and area of woods is less than 1/4 of world average level per capita.China's wood comprehensive utilization rate is only about 60%, and developed country has reached more than 80%, and according to statistics, China in recent years imported timber consumes foreign exchange 7,000,000,000 ~ 8,000,000,000 dollars every year, so China should strengthen saving and recycling timber.

China build every year with fitment process in can produce a large amount of wooden building discarded objects, reasonably utilize these waste wood buildings, not only can save a large amount of disposal cost, and can turn waste into wealth, thus alleviate the imbalance between supply and demand of China timber.At present, waste and old wood is mainly used for producing particieboard and fiberboard by certain process by the recycling utilization approach that waste and old wood is common.Because quality and the price of particieboard and fiberboard can not show a candle to solid wood board, waste and old solid wood is processed into particieboard and fiberboard, its essence is the further waste to timber resources.Application number be 201110155570.4 Chinese patent disclose a kind of manufacture method utilizing waste and old wood Restruction composite board.Although the restructuring composite board obtained by the method is closer to solid wood, this manufacture method is very complicated, wherein just will can produce qualified finished product through multiple tracks hot pressing process and coating process.In addition, in this manufacture method, lack the treatment step to decay wood, therefore can not utilize corrosive waste and old wood fully efficiently.

For the deficiencies in the prior art, need explore a kind of can the method for efficiency utilization waste and old wood productive manpower solid wood board, to improve the recovery utilization rate of waste and old wood, solve the problem that China's timber resources is in short supply.

Summary of the invention

In view of this, the invention provides a kind of method utilizing waste and old wood to manufacture finger jigsaw, method step of the present invention is simple, and the utilization rate of waste and old wood is high, solves the complicated and problem that waste and old wood recovery utilization rate is low of prior art processes.

The present invention is solved the problems of the technologies described above by following technological means:

An object of the present invention is to provide a kind of method utilizing waste and old wood to manufacture finger jigsaw, comprises the following steps:

S1: the arrangement of waste and old wood, its content comprises metal object and the building adjunct of rejecting on waste and old wood, described waste and old wood is cut into short knaur;

S2: the short knaur obtained after step S1 process is carried out process of scraping;

S3: the short knaur after process of scraping is sawn into sheet sheet material;

S4: carry out classification to the sheet material in S3 and select plate, therefrom selects mild corrosion sheet material and normal sheet material, and described mild corrosion sheet material is carried out renovation process;

S5: the sheet material that comb process obtains with finger joint teeth is carried out to sheet material normal described in step S4 and the mild corrosion sheet material that obtains after renovating and processing;

S6: the above-mentioned sheet material with finger joint teeth is connected by finger joint teeth and glues together formation finger bar;

S7: after above-mentioned finger bar S4S, becomes finger jigsaw blanket at the side gluing of finger bar by the splicing of described finger bar;

S8: cold pressing treatment is carried out to the finger jigsaw blanket in step S7 by plank cold press;

S9: the finger jigsaw blanket crossed cold pressing treatment carries out saw limit and sanding process obtains finger jigsaw finished product.

Further, briar or single saw blade circular sawing machine is adopted described waste and old wood to be cut into the short knaur of fixed length and fixed width in step sl.

Further, the process of renovation described in step S4, its concrete steps are as follows:

S41: Wood Bleaching agent is evenly sprayed the surface in described mild corrosion sheet material by employing spray gun, in order to carry out the process of drift look to mild corrosion sheet material;

S42: be soak 5-10min under the isocyanate adhesive normal pressure of 50%-69% by putting into solids content after drying through the mild corrosion sheet material of overbleach look process, then takes out and drains.

Further, the agent of Wood Bleaching described in step S41 by percentage composition be 20-30% hydrogen peroxide, 1-1.5% sodium carbonate, 0.3-0.5% ammonia and 70-80% water forms.

Further, the process of comb described in step S5 refers to and saw out dentalation on normal sheet material with the width of mild corrosion sheet material obtained after renovating and processing.

Further, the arrangement of waste and old wood described in step S1 also comprises the drying and processing to waste and old wood, and its moisture content of waste and old wood after drying process is below 13%.

Further, also comprise and will saw tailing and powder that limit and sanding process produce in step S9 as raw material for the production of woodwork plate or edible mushroom.

Two of object of the present invention is to provide a kind of finger jigsaw obtained based on said method manufacture.

Beneficial effect of the present invention:

1, the finger jigsaw produced based on method provided by the present invention presses close to solid wood board, because the secondary of timber resources can not be caused to waste.

2, provide a kind of processing method to mild corrosion sheet material in method of the present invention, make the corrosion sheet material in the past can not recycled obtain regeneration, thus improve the utilization rate of waste and old wood.

3, method step provided by the invention is simple, and it can produce the finger jigsaw close to solid wood by twice brush coating, cold pressing step, thus reduces the energy and supplementary product onsumption cost.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the invention will be further described.

Fig. 1 is process flow diagram of the present invention.

Detailed description of the invention

In order to make technical scheme of the present invention and main points clearly, below in conjunction with embodiment, the present invention is described in detail.

Embodiment 1 one kinds utilizes waste and old wood to manufacture the method for finger jigsaw

A kind of method utilizing waste and old wood to manufacture finger jigsaw of the present invention, comprises the following steps:

S1: the arrangement of waste and old wood, its step is as follows: a) reject the metal object on waste and old wood, as iron nail; B) described waste and old wood is cut into short knaur, adopt briar or single saw blade circular sawing machine described waste and old wood to be cut into the short knaur of fixed length and fixed width, the short knaur width formed is 50mm, and length is generally at below 1m; C) by ultrasonic vibration, building adjuncts such as being attached to the cement of wood surface is rejected; D) 50 drying and processings are carried out to short knaur, by the moisture control of waste and old wood below 13%;

S2: the short knaur obtained after step S1 process is carried out process of scraping;

S3: the short knaur after process of scraping is sawn into sheet sheet material by many saw blades circular sawing machine, its thickness is unified is 15mm;

S4: classification is carried out to the sheet material in S3 and selects plate, therefrom select mild corrosion sheet material and normal sheet material, and described mild corrosion sheet material is carried out renovation process, described normal sheet material refers to the sheet material of not eroded, the described renovation process to mild corrosion sheet material, its concrete steps are as follows: S41: Wood Bleaching agent is evenly sprayed the surface in described mild corrosion sheet material by employing spray gun, in order to carry out the process of drift look to mild corrosion sheet material, described Wood Bleaching agent is 20-30% hydrogen peroxide by percentage composition, 1-1.5% sodium carbonate, 0.3-0.5% ammonia and 70-80% water composition, S42: be soak 5-10min under the isocyanate adhesive normal pressure of 50%-69% by putting into solids content after drying through the mild corrosion sheet material of overbleach look process, then takes out and drains.Isocyanate adhesive, not containing formaldehyde, has the strong and environment protecting of cohesive force;

S5: the sheet material that comb process obtains with finger joint teeth is carried out to sheet material normal described in step S4 and the mild corrosion sheet material that obtains after renovate and processing, described comb process refers to saws out dentalation on normal sheet material and the width of mild corrosion sheet material that obtains after renovating and processing;

S6: the above-mentioned sheet material with finger joint teeth is connected by finger joint teeth and glues together formation finger bar;

S7: after above-mentioned finger bar S4S, becomes finger jigsaw blanket at the side gluing of finger bar by the splicing of described finger bar by timber glue spreader;

S8: cold pressing treatment is carried out to the finger jigsaw blanket in step S7 by plank cold press, cold pressing treatment saves energy consumption, eliminate coal expense and the expense relevant with boiler, in addition, cold pressing and can reduce wood compression rate (equaling to increase the thickness of woodwork), and the stress of wood internal, prevent modification;

S9: the finger jigsaw blanket crossed cold pressing treatment carries out saw limit and sanding process obtains finger jigsaw finished product.

As the further improvement of technique scheme, also comprise and will saw tailing and powder that limit and sanding process produce in step S9 as raw material for the production of woodwork plate or edible mushroom.By making full use of to tailing and powder the recovery utilization rate further increasing waste and old wood.

The method utilizing waste and old wood to manufacture finger jigsaw of the present invention, has that processing step is simple, waste and old wood utilization rate is high, energy consumption and an advantage such as cost of supplementary product is low.

Embodiment 2 finger jigsaw

The invention provides a kind of finger jigsaw obtained based on said method manufacture, the properties of described finger jigsaw is as shown in the table:

Note: standard shown in table is with reference to Fujian Province provincial standard DB35/T 842-2008

Its properties of finger jigsaw utilizing waste and old wood manufacture to obtain of the present invention reaches the standard-required of finger jigsaw.

The purposes of embodiment 3 finger jigsaw

The finger jigsaw method manufacture utilizing waste and old wood to manufacture finger jigsaw obtained in the present embodiment is for the production of artificial Solid Door, and its elementary production steps is as follows: 1) utilize described finger jigsaw to spell door keel; 2) thick china on door keel face; 3) polish; 4) spray paint and obtain artificial Solid Door finished product.After testing, utilize described finger jigsaw to produce the artificial Solid Door obtained and meet the relevant all standard of country.In addition, finger jigsaw provided by the present invention can also be utilized to produce the furniture such as cupboard, cabinet.

What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.

Claims (6)

1. utilize waste and old wood to manufacture a method for finger jigsaw, it is characterized in that, comprise the following steps:
S1: the arrangement of waste and old wood, its content comprises metal object and the building adjunct of rejecting on waste and old wood, described waste and old wood is cut into short knaur;
S2: the short knaur obtained after step S1 process is carried out process of scraping;
S3: the short knaur after process of scraping is sawn into sheet sheet material;
S4: carry out classification to the sheet material in S3 and select plate, therefrom selects mild corrosion sheet material and normal sheet material, and described mild corrosion sheet material is carried out renovation process; Described renovation process, its concrete steps are as follows:
S41: Wood Bleaching agent is evenly sprayed the surface in described mild corrosion sheet material by employing spray gun, in order to carry out the process of drift look to mild corrosion sheet material;
S42: be soak 5-10min under the isocyanate adhesive normal pressure of 50%-69% by putting into solids content after drying through the mild corrosion sheet material of overbleach look process, then takes out and drains;
S5: the sheet material that comb process obtains with finger joint teeth is carried out to sheet material normal described in step S4 and the mild corrosion sheet material that obtains after renovating and processing;
S6: the above-mentioned sheet material with finger joint teeth is connected by finger joint teeth and glues together formation finger bar;
S7: after by above-mentioned finger bar S4S, becomes finger jigsaw blanket at the side gluing of finger bar by the splicing of described finger bar;
S8: cold pressing treatment is carried out to the finger jigsaw blanket in step S7 by plank cold press;
S9: the finger jigsaw blanket crossed cold pressing treatment carries out saw limit and sanding process obtains finger jigsaw finished product.
2. the method utilizing waste and old wood to manufacture finger jigsaw according to claim 1, is characterized in that, adopts briar or single saw blade circular sawing machine described waste and old wood to be cut into the short knaur of fixed length and fixed width in step sl.
3. the method utilizing waste and old wood to manufacture finger jigsaw according to claim 1, is characterized in that, the process of comb described in step S5 refers to saws out dentalation on normal sheet material with the width of the mild corrosion sheet material obtained after renovating and processing.
4. the method utilizing waste and old wood to manufacture finger jigsaw according to claim 3, it is characterized in that, the arrangement of waste and old wood described in step S1 also comprises the drying and processing to waste and old wood, and its moisture content of waste and old wood after drying process is below 13%.
5. the method utilizing waste and old wood to manufacture finger jigsaw according to claim 4, is characterized in that, also comprises and will saw tailing and powder that limit and sanding process produce in step S9 as raw material for the production of woodwork plate or edible mushroom.
6. the finger jigsaw obtained based on the method manufacture described in any one of claim 1-5.
CN201310038581.3A 2013-01-31 2013-01-31 Method of using waste timber to manufacture finger joint jointed boards CN103101089B (en)

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Application Number Priority Date Filing Date Title
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CN103101089B true CN103101089B (en) 2015-07-15

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Publication number Priority date Publication date Assignee Title
CN105150300A (en) * 2015-07-07 2015-12-16 南充市龙煌建材有限公司 Production method and product for regeneration multilayer solid wood finger joint composite board
CN104972524A (en) * 2015-07-07 2015-10-14 南充市嘉陵区森利木业加工厂 Recycled solid wood finger-jointed multilayer composite plate
CN104985651A (en) * 2015-07-07 2015-10-21 南充市嘉陵区森利木业加工厂 Producing method and product of regeneration solid wood finger joint laminated board
CN105058522A (en) * 2015-07-07 2015-11-18 南充市嘉陵区森利木业加工厂 Regeneration multilayer solid wood finger joint plate production method and product
CN105365004A (en) * 2015-11-26 2016-03-02 安徽绩溪盛源装饰材料有限公司 Wooden decoration strip splicing method and device thereof
CN105538426A (en) * 2015-12-07 2016-05-04 李本建 Method for preparing building and packing templates with waste building templates as raw materials
CN105643736A (en) * 2016-03-30 2016-06-08 唐梦江 Waste wood utilizing method capable of achieving combination and renovation
CN106696014A (en) * 2017-01-20 2017-05-24 青岛良木股份有限公司 Allowance-free machining method for panels
CN108098959A (en) * 2017-12-04 2018-06-01 东莞市华腾光能环保科技有限公司 A kind of reclaiming method of waste and old cabinet-wood
CN108481841A (en) * 2018-03-06 2018-09-04 四川砼鼎模建新材料有限公司 A kind of logistics tray and preparation process

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JP3469002B2 (en) * 1996-08-28 2003-11-25 有限会社ナカニシ Veneer finger joint
HK1073573A2 (en) * 2005-06-01 2005-10-07 Tam Chung Yau Pedro A method for reusing and making a fire-resistant laminated timber.
CN101069971A (en) * 2007-06-07 2007-11-14 林文信 Pure china-fir three-layer real-wood integrated material and making method
CN101670598B (en) * 2009-09-25 2011-01-05 李磊 Alpine ash wedge joint board and making method thereof
CN201881443U (en) * 2010-11-05 2011-06-29 中国林业科学研究院木材工业研究所 Laminated wood
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