CN1043019C - Method for mfg. oriented structure shaving board - Google Patents
Method for mfg. oriented structure shaving board Download PDFInfo
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- CN1043019C CN1043019C CN95111192A CN95111192A CN1043019C CN 1043019 C CN1043019 C CN 1043019C CN 95111192 A CN95111192 A CN 95111192A CN 95111192 A CN95111192 A CN 95111192A CN 1043019 C CN1043019 C CN 1043019C
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- wood shavings
- shavings
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- glue
- oriented structure
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Abstract
The present invention relates to a method that small diameter class wood of which the diameter is about 10cm is manufactured into a shaving board with an oriented structure through a production technique provided by the present invention. The method is characterized in that the small diameter class wood is processed into oriented shavings by a knife shaft type flaker or a disk type flaker; hot air is used as a drying medium, and the shavings are dried by a cylinder drier with a single channel or three channels; the shavings are graded by a cylindrical sieve; glue is added to the oriented shavings by a drum type glue mixer. A disk type orienting device or a piece insertion type orienting device is combined with a star-frame orientating device for forming a composite orientating mechanism with a longitudinal orientating function and a transverse orientating function; simultaneously, two airflow paving heads are matched; the shaving boards with an oriented structure of which the surfaces are fine and rough can be manufactured in the whole line.
Description
The present invention relates to a kind of method that small diameter grade log about diameter 100mm is manufactured oriented structure chipboard by the technology of the present invention.
Oriented structure chipboard is to be raw material with small diameter grade log and logging residue, a kind of wood-based panel product of making by certain processing technique.Traditional ordinary particle board comprises the wood shavings preparation (process route that employing is chipped earlier and afterwards polished, what obtain is shaft-like or the graininess particle, select for use wood chipping equipment and ring flaker to realize technological requirement), particle drying (is selected the rotator type chip dryer of making thermal source with steam for use, dried wood shavings moisture content 2-3%), (purpose is a top layer wood wool and sandwich layer force plane flower separately in the wood shavings sorting, select rotary strainer and airflow separator for use), (with the urea-formaldehyde resin adhesive is adhesive in the wood shavings glue mixing, top layer wood wool glue consumption is 10-12%, sandwich layer force plane flower glue consumption is 8-10%, select high speed ring type glue mixer for use), plate blank paving (adopts air-flowing type spreading machine or machinery to throw the roll-type spreading machine, watch core layer wood shavings consumption proportion is looked the thickness of plank and is different, the product that obtains is a size-grade particleboard), (purpose is to pass through HTHP in hot pressing, Lauxite is solidified, general single-layer hot press and the multi-daylight press of adopting, with steam or deep fat heating, temperature is 180 ℃-200 ℃, pressure is 3.0-4.0MPa, hot pressing time is looked glue kind and plank thickness and is different, Lauxite offset plate, hot pressing time are the 0.45min/mm thickness of slab) and post processing (cooling, cutting edge and sanding etc.) operation.Can meet the requirement of People's Republic of China's particieboard standard (GB/T4897-92) with its physical and mechanical property of ordinary particle board of above-mentioned preparation method production.But exist following weak point with the ordinary particle board that said method is made: 1. MOR, elastic modelling quantity and to hold screw power lower, product can not use as structural material; 2. the MOR and the elastic modelling quantity of both direction is substantially the same in length and breadth for plank, can not satisfy the requirement of carrying place to the unidirectional intensity of plank.
The objective of the invention is to avoid above-mentioned weak point of the prior art, a kind of method of utilizing the small diameter grade log to produce the high-strength directional structural particleboard is provided, to improve the value of raw material, improve the mechanical property of product, enlarge the purposes of product in the structure field.
The oriented structure chipboard preparation method that the present invention proposes comprises following processing step:
With the Logs of small diameter is raw material; adopt cutter shaft formula chipper or disk type flaking machine; raw material is processed into thin rectangular wood shavings; make drying medium with hot-air; with single channel or the directed chip dryer drying of triple channel; pass through drum sieve; big or small wood shavings are distinguished; big wood shavings are used for oriented layer; little wood shavings are used for surperficial refinement layer; adopt phenolic resin glue and urea-formaldehyde resin adhesive as adhesive; for protecting big shaving shape; adopt the glue mixing of drum-type glue mixer; realize top layer parallel longitudinal direction orientation with disc type or blade inserting spreading head; realize sandwich layer vertical transverse orientation with star roller spreading head; realize that with the airflow pavement head surperficial refinement mats formation; also parallel orientation and two kinds of spreading heads of vertical orientation can be made combined type orienting spreading head; four groups of spreading heads are installed completely; wherein two groups is combined type orienting spreading head; two groups is the airflow pavement head; can produce the oriented structure chipboard of surperficial refinement and not refinement, adopt single drylight presses or multidaylight press hot pressing, the plank after the hot pressing is through supercooling; post processing such as cutting edge and sanding.
Fig. 1 is a process chart of the present invention.
Below in conjunction with accompanying drawing the present invention is further described:
Small diameter grade log 1 is sent into peeling machine 3 by chain conveyor 2 and is carried out after the peeling by chain-linked conveyer 4 and send into cutter shaft formula chipper 6 through shear 5 being processed into directed wood shavings, sends into wet wood shavings feed bin 8 by belt conveyer 7.The drying medium that hot-blast stove 9 produces is sent into single channel drying machine 11.Wet wood shavings enter drying machine by belt conveyer 10.Dried directed wood shavings enter drum sieve 21 by conveyer 12 again.If burning takes place then will be discharged by the wood shavings that fire extinguishing water drenches from urgent discharge gate 13 in wood shavings in the dry run.Screen qualified wood shavings and send into flake siccative storehouse 23 through belt conveyer 22.Crossing thick irregular wood shavings sends into sander 14 and is processed into surperficial refinement wood shavings and sends into wood wool feed bin 16 through belt conveyer 15.Wood wool is discharged the back and is sent into ring type glue mixer 20 by belt conveyer 17 and belt conveyer scale 18 from feed bin.Adhesive and other additives are from pumping into the glue mixer for colloid system 19.Large stretch of directed wood shavings are discharged from feed bin after belt conveyer 24 and belt conveyer scale 25 are sent into drum-type glue mixer 27, and adhesive and other additives are from pumping into the glue mixer for colloid system 26.Adhesive can be used phenol glue and urea-formaldehyde glue.Produce the position plate of surperficial refinement as need, then the wood wool after the glue mixing is sent into air-flowing type mat formation system 30 and 32.Directed wood shavings after the glue mixing are sent into combined type orienting spreading system 29 through belt conveyer 28, this system comprises two groups of orienting spreading heads, every group of orienting spreading head is made up of disc type portrait orientation head and star device formula transversal orientation head again, and can mat formation by two groups of orienting spreading heads becomes to have that two surface longitudinals align and the directed slab of three-decker that the sandwich layer transversal orientation is arranged.On the slab form wire, disposed pony press 31, flying cut-off saw 33, densitometer 34, metal detection meter 35 and slab scale 36.If slab is defective it is passed press fast and send in the dummy sketch collection pit 40, relend and help the blower fan suction to send into wet wood shavings feed bin continuation use.Qualified slab is admitted in the press 27, and hot pressing slab transportation etc. is made up of conveyer chain 38 and flexible backing plate 41.Large format plank after the hot pressing is through discharge roller platform 39, thickness measurement system 42, and star cooling frame 43, vertical cutting edge machine 44, discharge roller platform 45, laterally edge saw 46 and push pedal saw 47 is divided the product that is sawn into 4 ' * 8 ' breadth.Enter piler 49 through discharge roller platform 48 again, sander 50, bundled product 52 of piler 51 last packings.
The present invention has the following advantages compared to existing technology:
Use the present invention, make the small diameter grade log can make structural wood, by effective collocation of technology and equipment Make a production line can produce the product of various structures pattern, adopted in the production line and manyly established specially The equipment of meter, the investment of founding the factory can decrease.
Claims (2)
1. oriented structure chipboard manufacture method, comprise the wood shavings preparation, dry, sorting, glue mixing, mat formation, hot pressing and postprocessing working procedures, it is characterized in that the small diameter grade log being processed into thin rectangular wood shavings by cutter shaft formula or disk type flaking machine, with single channel or the triple channel drying machine particle drying that will wet, with drum sieve with dried wood shavings branch hank directed big wood shavings and the little wood shavings of top layer refinement, apply phenolic resin glue or urea-formaldehyde resin adhesive with the drum-type glue mixer, use by disc type or blade inserting parallel orientation spreading head and star roller vertical orientation spreading head and be assembled into the combined type orienting spreading head directed wood shavings of mating formation, with the airflow pavement head top layer refinement wood shavings of mating formation.
2. oriented structure chipboard manufacture method according to claim 1 is characterized in that can realizing the orienting spreading of both direction in length and breadth simultaneously with combined type orienting spreading head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111192A CN1043019C (en) | 1995-09-14 | 1995-09-14 | Method for mfg. oriented structure shaving board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95111192A CN1043019C (en) | 1995-09-14 | 1995-09-14 | Method for mfg. oriented structure shaving board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1122745A CN1122745A (en) | 1996-05-22 |
| CN1043019C true CN1043019C (en) | 1999-04-21 |
Family
ID=5078504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95111192A Expired - Fee Related CN1043019C (en) | 1995-09-14 | 1995-09-14 | Method for mfg. oriented structure shaving board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1043019C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387413C (en) * | 2005-10-25 | 2008-05-14 | 南京林业大学 | Manufacturing method of large piece wood shaving laminated material |
| CN108943307A (en) * | 2018-07-04 | 2018-12-07 | 西南林业大学 | Biomass particieboard and preparation method thereof |
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| US7740929B2 (en) * | 2004-01-27 | 2010-06-22 | Lignor Limited | Hard wood strand products |
| CN100494606C (en) * | 2006-04-26 | 2009-06-03 | 南京林业大学 | Building shuttering using oriented structure chipboard as substrate material, and its manufacturing method |
| PT2119539E (en) * | 2008-05-15 | 2014-12-03 | 3A Technology & Man Ag | Product made from balsa wood and method for its production |
| CN102198684B (en) * | 2011-04-06 | 2014-06-18 | 鲁丽集团有限公司 | Oriented chipboard and processing technology |
| CN103252822A (en) * | 2012-06-16 | 2013-08-21 | 李公增 | Equipment complex of line for manufacturing OSBs (oriented strand boards) without aid of base boards and technology for manufacturing OSBs without aid of base boards |
| CN103770187A (en) * | 2012-10-19 | 2014-05-07 | 北京泛欧瑞得科技有限公司 | Special type oriented strand board and manufacturing process thereof |
| CN104325535B (en) * | 2014-10-24 | 2016-06-29 | 迪芬巴赫机械设备服务（北京）有限公司 | A kind of oriented structure chipboard production method and system |
| CN104441186B (en) * | 2014-11-12 | 2017-04-12 | 广西南宁绿园北林木业有限公司 | Method for producing shaving board through lignin adhesives |
| EP3170635B1 (en) * | 2015-11-18 | 2017-12-13 | SWISS KRONO Tec AG | Osb (oriented strand board) - wood material board with improved properties and method for producing same |
| JP6448738B1 (en) * | 2017-09-29 | 2019-01-09 | 大建工業株式会社 | Method for producing high-density wood laminate |
| CN110103307A (en) * | 2018-02-01 | 2019-08-09 | 寿光市鲁丽木业股份有限公司 | A kind of flaking technique of long material wood shavings |
| CN110948629A (en) * | 2018-09-26 | 2020-04-03 | 长沙汉创新材料科技有限公司 | Wood shaving production process based on small-diameter wood fiber material, oriented shaving board and packaging box |
| CN110962209A (en) * | 2018-09-29 | 2020-04-07 | 安乡汉创新材料科技有限公司 | Oriented strand board based on small-diameter wood fiber material, production process and packaging box |
| CN109822711B (en) * | 2018-12-29 | 2021-08-31 | 湖北宝源木业有限公司 | Improved production device and process of flame-retardant slicing plate with oriented structure |
| CN109747019B (en) * | 2018-12-29 | 2021-11-02 | 湖北宝源木业有限公司 | System and process for producing flame-retardant oriented strand board |
| CN109773935B (en) * | 2018-12-29 | 2021-06-08 | 湖北宝源木业有限公司 | Production system and method for improving flame retardant property of oriented strand board by adding flame retardant in multiple stages |
| CN109732737B (en) * | 2018-12-29 | 2021-11-02 | 湖北宝源木业有限公司 | Oriented strand board production system with flame retardant spraying structure and oriented strand board production method |
| CN109571699A (en) * | 2019-01-21 | 2019-04-05 | 福人集团邵武木业有限公司 | A kind of no aldehyde moistureproof and mildewproof wood shavings thin plate is mated formation pressure setting and its production method |
| CN110480790A (en) * | 2019-09-23 | 2019-11-22 | 临沂兴滕人造板机械有限公司 | A kind of paving of four-head four new pavement machine |
| CN110434975A (en) * | 2019-09-25 | 2019-11-12 | 临沂兴滕人造板机械有限公司 | A kind of double end OSB spreading machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870931A (en) * | 1974-02-04 | 1975-03-11 | Sun Chemical Corp | Solenoid servomechanism |
| EP0322143A2 (en) * | 1987-12-22 | 1989-06-28 | Compak Systems Limited | Apparatus for laying a matt of fibrous material |
| EP0483742A2 (en) * | 1990-10-30 | 1992-05-06 | Sunds Defibrator Loviisa Oy | Device for distributing fibrous materials, e.g. wood fibers |
| EP0511425A1 (en) * | 1991-04-30 | 1992-11-04 | Carl Schenck Ag | Device for continously laying a fibrous, felted mat |
| EP0626241A1 (en) * | 1993-05-04 | 1994-11-30 | Carl Schenck Ag | Method for evenly deviding a pourable material and apparatus for carrying out that method |
-
1995
- 1995-09-14 CN CN95111192A patent/CN1043019C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3870931A (en) * | 1974-02-04 | 1975-03-11 | Sun Chemical Corp | Solenoid servomechanism |
| EP0322143A2 (en) * | 1987-12-22 | 1989-06-28 | Compak Systems Limited | Apparatus for laying a matt of fibrous material |
| EP0483742A2 (en) * | 1990-10-30 | 1992-05-06 | Sunds Defibrator Loviisa Oy | Device for distributing fibrous materials, e.g. wood fibers |
| EP0511425A1 (en) * | 1991-04-30 | 1992-11-04 | Carl Schenck Ag | Device for continously laying a fibrous, felted mat |
| EP0626241A1 (en) * | 1993-05-04 | 1994-11-30 | Carl Schenck Ag | Method for evenly deviding a pourable material and apparatus for carrying out that method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387413C (en) * | 2005-10-25 | 2008-05-14 | 南京林业大学 | Manufacturing method of large piece wood shaving laminated material |
| CN108943307A (en) * | 2018-07-04 | 2018-12-07 | 西南林业大学 | Biomass particieboard and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1122745A (en) | 1996-05-22 |
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