CN104526827B - A kind of wood-fibred shaped piece lamination thermal curing methods - Google Patents
A kind of wood-fibred shaped piece lamination thermal curing methods Download PDFInfo
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- CN104526827B CN104526827B CN201410818660.0A CN201410818660A CN104526827B CN 104526827 B CN104526827 B CN 104526827B CN 201410818660 A CN201410818660 A CN 201410818660A CN 104526827 B CN104526827 B CN 104526827B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N5/00—Manufacture of non-flat articles
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
A kind of wood-fibred shaped piece lamination thermal curing methods, belong to wood materials deep process technology field, including steps such as drying, stratified stoichiometric, top layer cold pressing, backing layer cold pressing, the bonding of top layer backing layer, hot pressing, it is possible to produce no less than the wood-fibred piece of furniture of solid wood quality.This method independently mats formation the pattern for surface of wood-fibred pre-press and backing layer body, individually carry out cold moudling, then carry out again once hot-forming, so reduce the cold pressing thickness and wood-fibred consumption of pattern for surface, compression difficulty is reduced, pattern for surface cold pressing quality is improved so that the density after being compressed at pattern for surface meets the requirements with hardness, so that pattern for surface is clear, with stereovision.
Description
Technical field
The invention belongs to wood materials deep process technology field, more particularly to a kind of manufacture method of wood-fibred shaped piece.
Background technology
With social progress, the continuous improvement of people's living standard, the consumption demand to high-grade wood furniture also constantly increases
Plus.Traditional solid sawn furniture is had overwhelming superiority with its graceful vision, comfortable sense of touch in the consumption of high-end household.But solid wood
There are the following problems for furniture：（1）Timber resources is deficient, and traditional solid sawn furniture needs to expend a large amount of log materials, and China is at present just
Face timber resource shortage phenomenon；（2）Log utilization rate is low, the log utilization rate only about 35% of solid wood furniture, is further exacerbated by
A large amount of consumption of timber resources are with wasting；（3）Low production efficiency, traditional solid sawn Furniture manufacturing technique is more complicated, current production
Equipment can not meet the demand of high efficiency production, and especially high-end European Furniture manufacture by manually carving, it is necessary to be completed.
On the one hand cost of labor is added, on the other hand causes the manufacturing cycle to extend.Therefore, it is wooden present in above-mentioned antique traditional furniture industry
The problems such as material scarcity of resources, manufacturing technology fall behind, productivity effect is low, labour cost is high, makes traditional solid sawn furniture be difficult to enter
Universal common people family.Wood-fibred is fine using surplus small diameter grade brush wood, wood machining residues or other Non-woody plants are cut down
Raw material is tieed up, according to the requirement of fiber separation technique and equipment, by peeling, chips, screen, the processing such as clean, through defibrator process solution fibre
It is made.The special-shaped mould pressing technology of existing wood-fibred is, by the furniture parts with carved pattern, to utilize wood-fibred raw material, gluing
Agent pressure, temperature, in the presence of the time molding obtain furniture.Because wood-fibred does not possess flowing fillibility, free accumulation is close
Degree is low, shaping compression ratio is big（About 50:1）The features such as, therefore compact density is relatively low at decorative pattern fluctuating, hardness and surface quality can not
Meet and require.
The content of the invention
The present invention is our for of the prior art not enough there is provided a kind of wood-fibred shaped piece lamination thermal curing methods
Method independently mats formation the pattern for surface of wood-fibred pre-press and backing layer body, individually carries out cold moudling, then carries out once again
It is hot-forming, the cold pressing thickness and wood-fibred consumption of pattern for surface are so reduced, compression difficulty is reduced, top layer flower is improved
Line is cold-pressed quality so that the density after being compressed at pattern for surface meets the requirements with hardness so that pattern for surface is clear, with layer
Secondary sense.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals, a kind of wood-fibred shaped piece
Lamination thermal curing methods, include following steps：A):Wood fiber raw material is sent into heated-air drying pipeline to enter by hot-air
Row drying, drying temperature is between 90 DEG C~160 DEG C, and the moisture content of the control wood fiber raw material is 4%~12% after having dried
Between；B）：Piece of furniture finished product is divided into the stereo-flower that the piece of furniture is carried on top layer and backing layer two parts, described top layer
Line, while according to the top layer and the target density and target volume of the backing layer, weighing the complete top layer wood of quantitative drying
Fibrous raw material quality point and backing layer wood fiber raw material；C）：The top layer wood fiber raw material quality point is put into correspondence mould
The pressure that wood-fibred is born in row cold pressing, cold pressure procedure is in 10kg/cm2~60kg/cm2Between, pressing time is in 2min-
The top layer pre-press suppressed is taken out between 25min, after the completion of cold pressing；D）：The backing layer wood fiber raw material quality point is put into
It is cold-pressed in correspondence mould, the pressure that wood-fibred is born in cold pressure procedure is in 5kg/cm2~35kg/cm2Between, during pressurization
Between between 1 min -12min, the backing layer pre-press suppressed is taken out after the completion of cold pressing；E）：By described top layer pre-press and
Described backing layer pre-press binds to form blank pre-press by adhesive, wherein described backing layer precompressed is pre- positioned at the blank
Above casting die, described top layer pre-press is located at below blank pre-press；F）：Described blank pre-press is put into correspondence mould
Hot pressing is carried out in tool, hot pressing temperature is between 105 DEG C~160 DEG C, and the hot pressing pressure that wood-fibred is born is in 20kg/cm2~
100kg/cm2Between, hot pressing time obtains wood-fibred pressing between 2 min~26min after hot pressing is complete.
In above-mentioned technical proposal, it is preferred that drying temperature is 150 DEG C in the step A, the control wood is fine after having dried
The water rate for tieing up raw material is 8%.
In above-mentioned technical proposal, it is preferred that in the step C, the top layer wood fiber raw material quality point is cold-pressed
When, the pressure that wood-fibred is born is 30kg/cm2, pressing time is 15min.
In above-mentioned technical proposal, it is preferred that in the step D, the backing layer wood fiber raw material quality point is cold-pressed
When, the pressure that wood-fibred is born is 20kg/cm2, pressing time is 8min.
In above-mentioned technical proposal, it is preferred that in the step F, when described blank pre-press is by carry out hot pressing, hot pressing temperature
Spend for 120 DEG C, the hot pressing pressure that wood-fibred is born is 80kg/cm2, hot pressing time is 12min.
In above-mentioned technical proposal, it is preferred that in described step E, described adhesive for modified urea-formaldehyde resin glue stick agent,
Phenolic resin adhesive, melamine resin adehsive stick the one or more in agent.
In above-mentioned technical proposal, it is preferred that in described step B, it can be divided into some according to the thickness of the piece of furniture
Individual described backing layer and the top layer described in one.
The inventive method is a kind of method of the special-shaped piece of furniture of utilization wood-fibred manufacture, and allows the wood-fibred piece of furniture to have
Can be compared hardness and the decorative pattern expressive force of solid wood furniture part.In the actual production of wood-fibred, wood-fibred freely settled density
Low, without any mobility, wood-fibred raw material are once mated formation after drying, applying glue, metering and are cold-pressed into blank, then by it
It is put into mould heat pressure shaping.But on the wood-fibred furniture so manufactured at the stronger carved pattern of third dimension density compared with
Difference, intensity and hardness are also undesirable, are easier deformation occur after making moist.Piece of furniture finished product is divided into table for this present invention
This two parts is individually carried out cold pressing work by layer and backing layer two parts, due to divide into two parts, and the thickness per part is all greatly
Reduce, reduce close at the strong carved pattern of third dimension after the difficulty of cold pressing, the especially top layer with decorative pattern are cold-pressed
Degree and hardness have reached desired standard.During cold pressing, no matter the thickness of piece of furniture is how many, and the thickness on top layer can
To remain between 2mm ~ 12mm, remaining thickness of piece of furniture can be decomposed with several backing layers.Pass through glue after the completion of cold pressing
Glutinous agent sticks top layer and backing layer, and hot pressing is then carried out again, and hot pressing is used to improve the mechanical property of wood-fibred piece of furniture, increased
Hardness and internal viscosity, and cause adhesive solidification, last wood-fibred pressing is formed after the completion of hot pressing.It is wooden fine
Tie up pressing high by this method surface detail Forming Quality；Total quality and hardness and decorative pattern expressive force are no less than solid wood
The piece of furniture of shaping is carved, but then well below solid wood part in cost.
This method independently mats formation the pattern for surface of wood-fibred pre-press and backing layer body, individually carries out cold moudling, so
Carry out again afterwards once hot-forming, so reduce the cold pressing thickness and wood-fibred consumption of pattern for surface, reduce compression difficult
Degree, improves pattern for surface cold pressing quality so that the density after being compressed at pattern for surface meets the requirements with hardness so that spend on top layer
Line is clear, with stereovision.
Embodiment
The present invention is described in further detail with reference to embodiment.
Embodiment 1：A kind of wood-fibred shaped piece lamination thermal curing methods, include following steps：A):Wood-fibred is former
It is dried in material feeding heated-air drying pipeline by hot-air, 90 DEG C of drying temperature, the control wood-fibred is former after having dried
The water rate 4% of material；B）：Piece of furniture finished product is divided on top layer and backing layer two parts, described top layer vertical with the piece of furniture
Body decorative pattern, while according to the top layer and the target density and target volume of the backing layer, weighing the complete table of quantitative drying
Layer wood fiber raw material quality point and backing layer wood fiber raw material；C）：The top layer wood fiber raw material quality point is put into correspondence mould
It is middle to be cold-pressed, the pressure 10kg/cm that wood-fibred is born in cold pressure procedure2, pressing time 2min, taking-up pressure after the completion of cold pressing
The top layer pre-press made；D）：The backing layer wood fiber raw material quality point is put into correspondence mould and is cold-pressed, cold pressure procedure
The pressure 5kg/cm that middle wood-fibred is born2, the min of pressing time 1 takes out the backing layer pre-press suppressed after the completion of cold pressing；
E）：Described top layer pre-press and described backing layer pre-press are sticked into agent by modified urea-formaldehyde resin glue to bind to form blank precompressed
Part, wherein described backing layer precompressed is located above the blank pre-press, described top layer pre-press is located at blank pre-press
Lower section；F）：Described blank pre-press is put into correspondence mould and carries out hot pressing, 105 DEG C of hot pressing temperature, what wood-fibred was born
Hot pressing pressure 20kg/cm2, the min of hot pressing time 2 obtains wood-fibred pressing after hot pressing is complete.
Embodiment 2：A kind of wood-fibred shaped piece lamination thermal curing methods, include following steps：A):Wood-fibred is former
It is dried in material feeding heated-air drying pipeline by hot-air, 160 DEG C of drying temperature, the control wood-fibred is former after having dried
The water rate 12% of material；B）：Piece of furniture finished product is divided on top layer and two parts of backing layer three, described top layer and carries the furniture
The three-dimensional pattern of part, while according to the top layer and the target density and target volume of the backing layer, weighing quantitative drying
Complete top layer wood fiber raw material quality point and backing layer wood fiber raw material；C）：The top layer wood fiber raw material quality point is put into pair
Answer in mould and be cold-pressed, the pressure 60kg/cm that wood-fibred is born in cold pressure procedure2, pressing time 25min, cold pressing completion
The top layer pre-press suppressed is taken out afterwards；D）：The backing layer wood fiber raw material quality point is put into correspondence mould and is cold-pressed,
The pressure 35kg/cm that wood-fibred is born in cold pressure procedure2, pressing time 12min takes out the backing layer suppressed after the completion of cold pressing
Pre-press；E）：Described top layer pre-press and described backing layer pre-press are passed through into phenolic resin adhesive, melmac
Gluing agent composition binds to form blank pre-press, wherein described backing layer precompressed is located above the blank pre-press, it is described
Top layer pre-press be located at blank pre-press below；F）：Described blank pre-press is put into correspondence mould and carries out hot pressing,
160 DEG C of hot pressing temperature, the hot pressing pressure 100kg/cm that wood-fibred is born2, hot pressing time 26min obtains wooden fibre after hot pressing is complete
Tie up pressing.
Embodiment 3：A kind of wood-fibred shaped piece lamination thermal curing methods, include following steps：A):Wood-fibred is former
It is dried in material feeding heated-air drying pipeline by hot-air, 150 DEG C of drying temperature, the control wood-fibred is former after having dried
The water rate 8% of material；B）：Piece of furniture finished product is divided on top layer and three parts of backing layer four, described top layer and carries the piece of furniture
Three-dimensional pattern, while according to the top layer and the target density and target volume of the backing layer, weighing quantitative drying complete
Top layer wood fiber raw material quality point and backing layer wood fiber raw material；C）：The top layer wood fiber raw material quality point is put into correspondence
It is cold-pressed in mould, the pressure 30kg/cm that wood-fibred is born in cold pressure procedure2, pressing time 15min, after the completion of cold pressing
Take out the top layer pre-press suppressed；D）：The backing layer wood fiber raw material quality point is put into correspondence mould and is cold-pressed, it is cold
The pressure 20kg/cm that wood-fibred is born during pressure2, pressing time 8min takes out the backing layer suppressed pre- after the completion of cold pressing
Casting die；E）：Described top layer pre-press and described backing layer pre-press are sticked into agent, phenolic resin glue by modified urea-formaldehyde resin glue
Glutinous agent and melamine resin adehsive stick agent composition and bind to form blank pre-press, wherein described backing layer precompressed is located at the hair
Above base pre-press, described top layer pre-press is located at below blank pre-press；F）：Described blank pre-press is put into pair
Answer and hot pressing is carried out in mould, 120 DEG C of hot pressing temperature, the hot pressing pressure 80kg/cm that wood-fibred is born2, hot pressing time 12min,
Wood-fibred pressing is obtained after hot pressing is complete.
Claims (7)
1. a kind of wood-fibred shaped piece lamination thermal curing methods, it is characterised in that include following steps：
A):Being dried in wood fiber raw material feeding heated-air drying pipeline by hot-air, drying temperature is at 90 DEG C~160 DEG C
Between, the moisture content of the control wood fiber raw material is between 4%~12% after having dried；
B）：Piece of furniture finished product is divided into the three-dimensional pattern that the piece of furniture is carried on top layer and backing layer two parts, described top layer,
Simultaneously according to the top layer and the target density and target volume of the backing layer, the complete top layer wood-fibred of quantitative drying is weighed
Material quality part and backing layer wood fiber raw material mass parts；
C）：The top layer wood fiber raw material mass parts are put into correspondence mould and are cold-pressed, wood-fibred is held in cold pressure procedure
The pressure received is in 10kg/cm2~60kg/cm2Between, pressing time takes out between 2min-25min, after the completion of cold pressing and suppressed
Top layer pre-press；
D）：The backing layer wood fiber raw material mass parts are put into correspondence mould and are cold-pressed, wood-fibred is held in cold pressure procedure
The pressure received is in 5kg/cm2~35kg/cm2Between, pressing time between 1 min -12min, takes out compacting after the completion of cold pressing
Good backing layer pre-press；
E）：Described top layer pre-press and described backing layer pre-press are binded by adhesive and to form blank pre-press, wherein
Described backing layer pre-press is located at the blank pre-press top, and described top layer pre-press is located under the blank pre-press
Portion；
F）：Described blank pre-press is put into correspondence mould and carries out hot pressing, hot pressing temperature is between 105 DEG C~160 DEG C, wood
The hot pressing pressure that fiber is born is in 20kg/cm2~100kg/cm2Between, hot pressing time is between 2 min~26min, hot pressing
Wood-fibred pressing is obtained after complete.
2. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, in the step A
Drying temperature is 150 DEG C, and the water rate that the wood fiber raw material is controlled after having dried is 8%.
3. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, in the step C,
When the top layer wood fiber raw material mass parts are cold-pressed, the pressure that wood-fibred is born is 30kg/cm2, pressing time is
15min。
4. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, in the step D,
When the backing layer wood fiber raw material mass parts are cold-pressed, the pressure that wood-fibred is born is 20kg/cm2, pressing time is
8min。
5. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, in the step F,
When described blank pre-press is by carry out hot pressing, hot pressing temperature is 120 DEG C, and the hot pressing pressure that wood-fibred is born is 80kg/
cm2, hot pressing time is 12min.
6. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, described step E
In, described adhesive sticks one kind in agent, phenolic resin adhesive, the glutinous agent of melamine resin adehsive for modified urea-formaldehyde resin glue
Or it is several.
7. a kind of wood-fibred shaped piece lamination thermal curing methods according to claim 1, it is characterized in that, described step B
In, backing layer that can be according to the thickness of the piece of furniture is divided into several and the top layer described in one.
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| CN201410818660.0A CN104526827B (en) | 2014-12-25 | 2014-12-25 | A kind of wood-fibred shaped piece lamination thermal curing methods |
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| CN201410818660.0A CN104526827B (en) | 2014-12-25 | 2014-12-25 | A kind of wood-fibred shaped piece lamination thermal curing methods |
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| CN104526827A CN104526827A (en) | 2015-04-22 |
| CN104526827B true CN104526827B (en) | 2017-07-18 |
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| CN104308934A (en) * | 2014-09-23 | 2015-01-28 | 李应杰 | Method for manufacturing fraxinus chinensis rod furniture |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277094A (en) * | 1999-06-14 | 2000-12-20 | 株式会社森精馆 | Superposed processing method for wood fibre board |
| CN103737699A (en) * | 2014-01-10 | 2014-04-23 | 宁波大世界家具研发有限公司 | Specially shaped wood fiber molded product enclosed forming method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5543234A (en) * | 1994-06-20 | 1996-08-06 | Masonite Corporation | Molded wood composites having non-blistering profile with uniform paintability and nesting |
| JPH10286808A (en) * | 1997-04-11 | 1998-10-27 | Inax Corp | Woody molded board |
| US6187415B1 (en) * | 1998-09-26 | 2001-02-13 | Premark Rwp Holdings, Inc. | Solid surfacing dimensional laminate, and methods for making and using same |
| CN102756414B (en) * | 2012-06-29 | 2014-03-12 | 宁波大世界家具研发有限公司 | Equipment and method for manufacturing wood fiber abnormal-shaped die pressing piece |
| CN102862206B (en) * | 2012-08-31 | 2015-07-15 | 苏州博云塑业有限公司 | Wood fiber composite board and preparation technology thereof |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277094A (en) * | 1999-06-14 | 2000-12-20 | 株式会社森精馆 | Superposed processing method for wood fibre board |
| CN103737699A (en) * | 2014-01-10 | 2014-04-23 | 宁波大世界家具研发有限公司 | Specially shaped wood fiber molded product enclosed forming method |
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