CN101544003A - Processing production technology of blockboard - Google Patents

Processing production technology of blockboard Download PDF

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Publication number
CN101544003A
CN101544003A CN200810145072A CN200810145072A CN101544003A CN 101544003 A CN101544003 A CN 101544003A CN 200810145072 A CN200810145072 A CN 200810145072A CN 200810145072 A CN200810145072 A CN 200810145072A CN 101544003 A CN101544003 A CN 101544003A
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CN
China
Prior art keywords
blockboard
production technology
board
processing production
hot pressing
Prior art date
Application number
CN200810145072A
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Chinese (zh)
Inventor
蔡慧星
Original Assignee
通辽市锦秀木业有限公司
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Publication date
Application filed by 通辽市锦秀木业有限公司 filed Critical 通辽市锦秀木业有限公司
Priority to CN200810145072A priority Critical patent/CN101544003A/en
Publication of CN101544003A publication Critical patent/CN101544003A/en

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Abstract

The invention relates to a processing production technology of a blockboard, which is characterized by reforming a pressure planer and a thickness determination technology in a traditional production technology, enhancing the bonding intensity of the blockboard and the utility ratio of raw materials by adopting technical skill measures, such as the mechanized lateral pressing of jointed boards, secondary gumming, blank assembly, and the like and developing novel technical skills of an environment-friendly type bonding adhesive in the production application of the blockboard. The invention adopts the technical skills, such as low temperature, pressure resistance, prolonging pressing time, display with additional drying fingers, and the like, thereby effectively controlling the release amount of formaldehyde to be superior to a provision of the national standard being not larger than 0.5 mg/L.

Description

A kind of processing production technology of blockboard

Technical field

The present invention relates to a kind of processing production technology of blockboard.

Technical background

Core-board is to make furniture and decorations one of main material of wood-based plate.Since core-board have uniform specification, processability by force, characteristics such as not yielding, other material of Pasting, therefore enjoy liking of upholstery and decorations user, be widely used at present.But the mass discrepancy of core-board is very big, if select for use improper, the easiest construction quality and the environmental issue of occurring.The core-board of production technology difference influences working strength and engineering decorative quality, and the core-board of not environmental protection can directly cause indoor pollution, threatens human health.Country has formulated core-board standard (GB/T5849-2006) with reference to international standard for this reason, and the PARA FORMALDEHYDE PRILLS(91,95) burst size divides 3 grades to limit.Wherein highest level is E 0Level, burst size of methanal is controlled at≤0.5mg/L, can be a kind of core-board of environment-friendly type directly in indoor use.Produce E 0The level core-board must use environmental-protection type adhesive, compares with traditional urea-formaldehyde resin adhesive, and its bonding strength is relatively poor relatively, the production cost height, thereby limited it and used widely.Therefore, group of domestic enterprise, the scientific research personnel of institution of higher learning have all carried out a large amount of research aspect the core-board production technology.Its objective is and improve core-board bonding strength and timber utilization rate, reduce production costs.Zhejiang Forestry Institute application " a kind of preparation method of core board for fine woodworker's board " (number of patent application: 01113049.0), it mainly is to be raw material with small dimension wood, thinnings, brush wood, through pre-place, comb separate, drying, applying glue, the assembly of mating formation, hot pressing, modifier treatment and post-production, make core board for fine woodworker's board, improved production efficiency, reduced energy consumption, the timber utilization rate height, production cost is low; Another patent " a kind of improved novel core board for fine woodworker's board and preparation method " (number of patent application: 02138600.5) of this institute's application, be to be raw material with small dimension wood or thinnings, brush wood, prepare, roll that comb is separated, vertically separation, transversely truncation, drying, applying glue, mat formation, make the used central layer of novel core-board after the technology such as hot pressing through raw material, also reached the same purpose of above-mentioned patent; " a kind of core-board processing technology " (number of patent application: 200410065907.2) of Changlin Wood Ind Co., Ltd. Huangshan City's application, its production technology comprises raw material saw system flitch, dry, fixed thick two-sided processing, multiple blade saw system bar, matching board, gluing, jigsaw machine jigsaw, force cooling, a sanding, paste horizontal veneer, precompressed, hot pressing, force cooling, the secondary sanding, paste dash board, the secondary precompressed, secondary hot pressing, three sandings of cutting edge, the finished product go-on-go, warehouse-in, i.e. " two press three sand " technology, and by using the cooling of formaldehyde catching agent and forced ventilation to reduce content of formaldehyde; " core-board with new structure and production technology thereof " (number of patent application: 01133469.X) of Teng Enrong application, mainly solve existing product because central layer partly splices, influence working strength and the engineering decorative quality and the outmoded backwardness of production technology of product, volume recovery is low, waste is big, complex process, problems such as cost height; " core-board and preparation method " (number of patent application 03106576.7) of Hua Xuanling research and development, it includes one deck block board at least, behind the block board that completes, after the single face gluing of block board, stick one deck Sawtooth Oak Bark, stick one deck musculus cutaneus again after the gluing, the compacting shaping forms after the high temperature thermosetting; " a kind of preparation method who is used for core board for fine woodworker's board " (number of patent application: 200610056934.2) of Beijing Forestry University, this method comprises preparation equal thickness lath, lath is carried out assembly and makes lath arrange the step of driving fit, also be included in before the assembly of lath, at central layer not under the situation of jigsaw, formaldehyde eliminating agent directly sprayed or brushes side at half bar, and under the situation of central layer layout, spray or brush the adhesive that is added with formaldehyde eliminating agent in the side of lath, make formaldehyde eliminating agent be coated in the back of lath, not only can produce formaldehyde limit control amount with this central layer and reach E with adhesive 1The environment friendly lumbercore plywood of grade standard, and prevented that adding the bonding strength that formaldehyde eliminating agent caused at core-board in glue reduces.

Goal of the invention the purpose of this invention is to provide a kind of new core-board processing technology, not only makes the formaldehyde limit control amount E that is up to state standards 0The standard of level core-board.Solved simultaneously in the core-board production and used environmental-protection type adhesive, bonding strength is poor, the difficult problem of unstable product quality.Improved timber utilization rate, reduced production cost, and reduced production cost because of using environmental-protection type adhesive to increase.

Summary of the invention

The technical scheme that this invention adopts is: the flitch good to drying, without thicknesser, fixed thick technology, directly cut bar with the high accuracy multi-disc; Jigsaw adopts the side compression machine splicing, and promptly first side pressure is the technology of jigsaw again, and it is inhomogeneous to have solved the lath width, the problem of jigsaw gummed intensity difference; Gluing uses no aldehyde environmental protection glue, and technology measure such as displays through employing low temperature, low pressure, prolongation hot pressing time, cushioning bar, and burst size of methanal is under control; Adopt secondary precompressed, secondary hot pressing, secondary sanding moulding process, guarantee that fully product surface is more smooth, smooth.A complete set of production technology comprises that raw material saw system flitch and dry, multi-disc cut bar, pendulum saw arrangement, row's plate, side pressure jigsaw, gluing, paste veneer, a precompressed, a hot pressing, cooling, a sanding, second glue spreading, subsides coverlay plate, secondary precompressed, secondary hot pressing, natural cooling, cutting edge and secondary sanding, finished product go-on-go, warehouse-in naturally.The veneer selection is in local fast growing high-quality poplar, and coverlay adopts the superfine veneer of import.

The core-board that the good effect of invention adopts above-mentioned processing technology to produce can improve timber utilization rate 8.3%, has reduced production cost relatively.Performance indications such as bonding strength have reached the national standard requirement, and wherein formaldehyde limit control amount is better than the regulation of national standard≤0.5mg/L through national wood-based plate quality supervision and test center check≤0.3mg/L, and the product appearance quality also is improved simultaneously.

Embodiment

Get dried poplar square bar and block, open bar, thickness of slab is 14.2 millimeters when opening bar, and is organized into rectangular batten with pendulum saw; Specification by core-board on workbench is arranged plate, and at batten both sides brush coating, the scrubbing brush glue consumption of 3 square metres of specifications is 150 grams~200 grams during row's plate; Use the side compression machine jigsaw, jigsaw pressure 1.2~1.5Mpa, 6 minutes side pressure time; Two-sided brushing environment-friendly type Corn Starch Glue, gluing consumption 150 grams/square metre, and get the board using poplar board double faced adhesive that processes, and a precompressed, pressure is 1.0~1.2Mpa during precompressed, squeeze time is 30~35 minutes; With a hot pressing of BY015 hot press, hot pressing pressure is 1.1~1.4Mpa after the precompressed, and hot pressing time is 50~60 seconds/millimeter thicknesss of slab, then carries out nature cooling, sanding, makes central layer; At central layer surface second glue spreading, the gluing consumption be 100 grams/square metre, exchange premium mouth coverlay plate, and carry out the secondary precompressed, preload pressure 1.3~1.5Mpa, squeeze time is 10 minutes; Carry out secondary hot pressing with hot press, 110 ℃~115 ℃ of hot pressing temperatures, hot pressing pressure 1.5Mpa, hot pressing time 1.5~2.0 minutes then carries out nature cooling, saw limit, sanding, check warehouse-in.Warehouse-in back cushioning bar is displayed and can be dispatched from the factory in 2~3 days.

Claims (4)

1, a kind of processing production technology of blockboard is characterized in that main production comprises that raw material saw system flitch and dry, multi-disc cut bar, pendulum saw arrangement, row's plate, side pressure jigsaw, gluing, paste veneer, a precompressed, a hot pressing, cooling, a sanding, second glue spreading, subsides coverlay plate, secondary precompressed, secondary hot pressing, natural cooling, cutting edge and secondary sanding and put the cushioning bar in storage and displayed 2~3 days naturally.
2, processing production technology of blockboard according to claim 1 is characterized in that without thicknesser and fixed thick, and the direct multiaspect of crossing of the good flitch of drying is cut bar.
3, processing production technology of blockboard according to claim 1 is characterized in that said gluing is a brushing environment-friendly type Corn Starch Glue.
4, processing production technology of blockboard according to claim 1 is characterized in that said side pressure jigsaw is a first side pressure jigsaw again.
CN200810145072A 2008-07-31 2008-07-31 Processing production technology of blockboard CN101544003A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810145072A CN101544003A (en) 2008-07-31 2008-07-31 Processing production technology of blockboard

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Application Number Priority Date Filing Date Title
CN200810145072A CN101544003A (en) 2008-07-31 2008-07-31 Processing production technology of blockboard

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CN101544003A true CN101544003A (en) 2009-09-30

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101913180A (en) * 2010-07-28 2010-12-15 山东省产品质量监督检验研究院 Method for manufacturing indoor environmentally-friendly flame retardant blockboard
CN101698310B (en) * 2009-11-06 2011-02-16 湖南福湘木业有限责任公司 Production technology of core board
CN102085677A (en) * 2010-11-23 2011-06-08 南京林业大学 New process for producing wooden composite material by using waste and used plywood cement templates
CN102398287A (en) * 2011-06-04 2012-04-04 浙江安吉双虎竹木业有限公司 Method for producing bamboo-wood composite board
CN102554981A (en) * 2012-01-09 2012-07-11 浙江升华云峰新材股份有限公司 Method for manufacturing flame-retardant core-board
CN102785273A (en) * 2012-08-31 2012-11-21 广西南宁绿园北林木业有限公司 Three-hot-pressing and two-sanding eucalyptus poplar composite artificial board and method for manufacturing same
CN103072157A (en) * 2012-12-26 2013-05-01 浙江升华云峰新材股份有限公司 Ecological formaldehyde-flee core board
CN103737677A (en) * 2014-01-15 2014-04-23 孙小力 Core board produced with soy protein glue and technique of production
CN104097241A (en) * 2014-07-03 2014-10-15 黔西南州宏森木业有限公司 Low-formaldehyde blockboard processing technology
CN104493942A (en) * 2013-12-11 2015-04-08 融安华海木业有限公司 Production method of eucalyptus wooden door substrate
CN106003285A (en) * 2016-07-19 2016-10-12 湖北福汉木业有限公司 Blockboard reorganized from artificial board trimmings and production method of blockboard
CN107614221A (en) * 2015-07-16 2018-01-19 株式会社帕姆霍尔兹 Wooden laminates and its manufacture method

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101698310B (en) * 2009-11-06 2011-02-16 湖南福湘木业有限责任公司 Production technology of core board
CN101913180A (en) * 2010-07-28 2010-12-15 山东省产品质量监督检验研究院 Method for manufacturing indoor environmentally-friendly flame retardant blockboard
CN102085677B (en) * 2010-11-23 2013-05-22 南京林业大学 New process for producing wooden composite material by using waste and used plywood cement templates
CN102085677A (en) * 2010-11-23 2011-06-08 南京林业大学 New process for producing wooden composite material by using waste and used plywood cement templates
CN102398287A (en) * 2011-06-04 2012-04-04 浙江安吉双虎竹木业有限公司 Method for producing bamboo-wood composite board
CN102398287B (en) * 2011-06-04 2013-09-11 浙江安吉双虎竹木业有限公司 Method for producing bamboo-wood composite board
CN102554981A (en) * 2012-01-09 2012-07-11 浙江升华云峰新材股份有限公司 Method for manufacturing flame-retardant core-board
CN102785273A (en) * 2012-08-31 2012-11-21 广西南宁绿园北林木业有限公司 Three-hot-pressing and two-sanding eucalyptus poplar composite artificial board and method for manufacturing same
CN103072157A (en) * 2012-12-26 2013-05-01 浙江升华云峰新材股份有限公司 Ecological formaldehyde-flee core board
CN104493942A (en) * 2013-12-11 2015-04-08 融安华海木业有限公司 Production method of eucalyptus wooden door substrate
CN103737677A (en) * 2014-01-15 2014-04-23 孙小力 Core board produced with soy protein glue and technique of production
CN103737677B (en) * 2014-01-15 2016-01-06 孙小力 A kind of utilize soybean protein glue to produce core-board and process
CN104097241A (en) * 2014-07-03 2014-10-15 黔西南州宏森木业有限公司 Low-formaldehyde blockboard processing technology
CN104097241B (en) * 2014-07-03 2016-05-11 黔西南州宏森木业有限公司 A kind of core-board processing technology of low aldehyde
CN107614221A (en) * 2015-07-16 2018-01-19 株式会社帕姆霍尔兹 Wooden laminates and its manufacture method
CN106003285A (en) * 2016-07-19 2016-10-12 湖北福汉木业有限公司 Blockboard reorganized from artificial board trimmings and production method of blockboard

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