CN108818877A - A kind of vegetable fibre board cold presswork method and system and cold pressing adhesive - Google Patents
A kind of vegetable fibre board cold presswork method and system and cold pressing adhesive Download PDFInfo
- Publication number
- CN108818877A CN108818877A CN201810776223.5A CN201810776223A CN108818877A CN 108818877 A CN108818877 A CN 108818877A CN 201810776223 A CN201810776223 A CN 201810776223A CN 108818877 A CN108818877 A CN 108818877A
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- cold
- fibre board
- vegetable fibre
- plant fiber
- adhesive
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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
-
- 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
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J1/00—Adhesives based on inorganic constituents
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The present invention relates to a kind of vegetable fibre board cold presswork method and systems and cold pressing adhesive, this method to include：Plant fiber is mixed with adhesive first, is stirred；Then uniformly mixed plant fiber and adhesive are paved in the cold stamping die group of cold press device, are cold-pressed, are solidified, the big square of plant fiber is made；The big square of plant fiber is then cut into the vegetable fibre board woollen of several pieces of required thicknesses；Edges of boards cutting finally is carried out to the vegetable fibre board woollen cut into and sanding is handled, vegetable fibre board is made.Need not move through hot pressing process, both a large amount of mechanical equipment investments can have been reduced, a large amount of energy consumptions can be saved again, greatly reduce production cost, improve product competitiveness in the market, " zero " discharges simultaneously, it is environmentally protective, and structure is simple, and it is easy, at low cost to implement, it is particularly suitable for small business to use, is conducive to promote, popularize.
Description
Technical field
The invention belongs to vegetable fibre board production equipment technology, in particular to a kind of vegetable fibre board cold presswork side
Method and system and cold pressing adhesive.
Background technique
Currently, existing fiberboard, particieboard all after being glued, mating formation, utilize hot pressing when manufacturing in the market
Machine is hot-forming under high temperature and pressure.This traditional hot pressing production method needs to consume a large amount of thermal energy, and the producer having thus adopts
The boiler needed for offer thermal energy is provided, but boiler emission exhaust gas is very serious to air pollution, and the producer separately having does not use pot
Furnace and use instead electric power heating, then must consume various electric energy.Moreover, using supporting machinery required for thermoforming way
Equipment is very expensive, and input cost is high, this is that small business is caused to be unwilling to invest or have no ability to the main cause of investment.
And it has been found that the inorganic material that inorganic adhesive uses used in fiberboard, particieboard be usually with
Based on magnesium oxide powder and magnesium chloride brine, formed according to 1: 1 ratio mixing preparation；Since magnesium chloride (is commonly called as：Halogen piece) easily
Damp suction surface halide accumulation characteristic so that prepare the products such as wooden plywood, particieboard, fiberboard caused there is damp suction surface halide accumulation it is aqueous
The higher phenomenon of rate.
Summary of the invention
To solve the above-mentioned problems in the prior art, the present invention provides one kind to prepare plant fiber by cold pressing
Plate needs not move through hot pressing process, and mechanical equipment small investment, energy consumption is small, and production is at low cost, the market competitiveness is strong, and " zero "
Discharge, environmentally protective, structure is simple, and it is easy, at low cost to implement, and the vegetable fibre board cold pressing that particularly suitable small business uses adds
Work method and system and a kind of dedicated adhesive of cold presswork vegetable fibre board.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of vegetable fibre board cold presswork method, including：
It is glued mixing, plant fiber is mixed with adhesive, is stirred；
Mat formation cold pressing, uniformly mixed plant fiber and adhesive are paved in the cold stamping die group of cold press device, into
Row cold pressing, solidification, are made the big square of plant fiber；
The big square of plant fiber, is cut into the vegetable fibre board woollen of several pieces of required thicknesses by cutting；
Edges of boards cutting, carries out saw side, cutting edge to the vegetable fibre board woollen cut into；
Sanding processing, plate face and edges of boards to vegetable fibre board woollen carry out sanding processing, vegetable fibre board are made.
Further, when being glued mixing, the plant fiber and adhesive mixed proportion are 1: 0.8~1.8；Wherein,
The adhesive is mixed by the magnesium sulfate solution and magnesium oxide powder of equivalent, is stirred, the magnesium sulfate water
Water that magnesium sulfate that solution is 48.5%~49.5% by weight percent, weight percent are 48.5%~49.5%, weight
The water resistant reinforcing agent that percentage is 1%~3%, which is sufficiently mixed, uniformly to be formed, and the ratio of the magnesium sulfate and water is 1: 1.
Further, the plant fiber is the above powder of 200 mesh or fiber, and the purity of the magnesium oxide powder exists
85% or more.
Further, described " uniformly mixed plant fiber and adhesive to be paved on to the cold stamping die group of cold press device
In, it is cold-pressed, solidified, the big square of plant fiber, which is made, " is specially：Uniformly mixed plant fiber and adhesive are infused first
The plant fiber powder for entering in the inside cavity of cold stamping die, then overlaying pressurizing block in inside cavity, and be pressed in inside cavity
On adhesive mixed material, cold stamping die is dismantled after then starting cold press pressure a period of time, it is fine that molding plant is made
Tie up big square.
It further, will also be to cutting out plant after cutting out vegetable fibre board woollen and before edges of boards cutting
Fiberboard woollen is conserved, drops moisture content, i.e., will cut out vegetable fibre board woollen and be put into drying equipment progress drying and processing
Or gas dry-cure, reduce moisture content.
A kind of vegetable fibre board cold presswork system, which is characterized in that including：
Mixing blender, for being mixed, being sufficiently stirred in plant fiber and adhesive investment mixing blender
It is even；
Cold press device, for the plant fiber being uniformly mixed and adhesive to be paved on to the cold stamping die group of cold press device
In, it is cold-pressed, solidified, the big square of plant fiber is made；The cold press device includes cold press and the cold pressing set on cold press
Cold stamping die group on station, the cold stamping die group is by detachable concave frame cold stamping die and one piece or more pressurizing block group
At the shape size of the pressurizing block is adapted with the inside cavity of cold stamping die；In use, the pressurizing block overlays inside cavity
It is interior, and on the plant fiber powder being pressed in inside cavity and adhesive mixed material；
Cutting device, for the big square of plant fiber to be cut into the vegetable fibre board woollen of several pieces of required thicknesses；
Edges of boards cutting machine, for carrying out saw side, cutting edge to the vegetable fibre board woollen cut into；
Sander, for the plate face and edges of boards progress sanding processing to vegetable fibre board woollen.
Further, the side lower end of the cold stamping die is equipped with remaining glue tap, the remaining glue tap and inside cavity
Connection.
Further, which further includes having drying equipment, for that will cut out plant fibre
Dimension plate woollen is put into drying equipment and carries out drying and processing or gas dry-cure, reduces moisture content.
A kind of vegetable fibre board cold pressing adhesive, is mixed by the magnesium sulfate solution and magnesium oxide powder of equivalent, is sufficiently stirred
It mixes and uniformly forms, magnesium sulfate that the magnesium sulfate solution is 48.5%~49.5% by weight percent, weight percent are
48.5%~49.5% water, the water resistant reinforcing agent that weight percent is 1%~3% are sufficiently mixed and uniformly form, and the sulphur
The ratio of sour magnesium and water is 1: 1.
The beneficial effects of the invention are as follows：
The present invention needs not move through hot pressing through the above technical solutions, vegetable fibre board can be prepared by cold pressing mode
Process can not only reduce a large amount of mechanical equipment investments, but also can save a large amount of energy consumptions, greatly reduce production cost, improve product
The market competitiveness, " zero " discharges simultaneously, environmentally protective, and structure is simple, and it is easy, at low cost to implement, and is particularly suitable for small-sized enterprise
Industry uses, and is conducive to promote, popularize.
Detailed description of the invention
Fig. 1 is a kind of flow diagram of vegetable fibre board cold presswork method of the present invention；
Fig. 2 is the structural schematic diagram of cold press device in a kind of vegetable fibre board cold presswork system of the present invention；
Fig. 3 is the structure of the cold stamping die group of cold press device in a kind of vegetable fibre board cold presswork system of the present invention
Schematic diagram；
Fig. 4 is the working principle signal of cold press device in a kind of vegetable fibre board cold presswork system of the present invention
Figure；
A kind of plant fiber of Fig. 5 vegetable fibre board cold presswork method and system machine-shaping through the invention is big
The structural schematic diagram of square.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention.
As shown in fig. 1：
The embodiment of the invention provides a kind of vegetable fibre board cold presswork methods, include the following steps：
Step 1. is glued mixing, and plant fiber is mixed with adhesive, is stirred；
Step 2. is mated formation cold pressing, and uniformly mixed plant fiber and adhesive are paved on to the cold stamping die group of cold press device
In, it is cold-pressed, solidified, the big square of plant fiber is made；Specially：Uniformly mixed plant fiber and adhesive are infused first
The plant fiber powder for entering in the inside cavity of cold stamping die, then overlaying pressurizing block in inside cavity, and be pressed in inside cavity
On adhesive mixed material, cold stamping die is dismantled after then starting cold press pressure a period of time, it is fine that molding plant is made
Tie up big square.
The big square of plant fiber, is cut into the vegetable fibre board woollen of several pieces of required thicknesses by step 3. cutting；
The cutting of step 4. edges of boards, carries out saw side, cutting edge to the vegetable fibre board woollen cut into；
Step 5. sanding processing, plate face and edges of boards to vegetable fibre board woollen carry out sanding processing, plant fiber are made
Plate.
Wherein, when being glued mixing, the plant fiber and adhesive mixed proportion are 1: 0.8~1.8；Wherein, described
Adhesive is mixed by the magnesium sulfate solution and magnesium oxide powder of equivalent, is stirred, the magnesium sulfate solution
Water that the magnesium sulfate for being 48.5%~49.5% by weight percent, weight percent are 48.5%~49.5%, weight percent
It is sufficiently mixed than the water resistant reinforcing agent for 1%~3% and uniformly forms, and the ratio of the magnesium sulfate and water is 1: 1；The plant
Fiber can be the above powder of 200 mesh or fiber, and the purity of the magnesium oxide powder is 85% or more.
As shown in Figures 2 and 3：
The embodiment of the invention also provides a kind of vegetable fibre board cold presswork systems, including：
Mixing blender is mainly used for be mixed in plant fiber and adhesive investment mixing blender, sufficiently stir
It mixes uniformly.
Cold press device, is mainly used for the plant fiber that will be uniformly mixed and adhesive is paved on the cold stamping die of cold press device
It in group, is cold-pressed, solidified, the big square of plant fiber is made；The cold press device includes cold press 1 and set on cold press 1
The cold stamping die group 2 being cold-pressed on station 11, the cold stamping die group 2 is by detachable concave frame cold stamping die 3 and one piece or more
Pressurizing block 4 forms, and the shape size of the pressurizing block 4 is adapted with the inside cavity 5 of cold stamping die 3, is specifically as follows：It is described cold
The length of 3 inside cavity 5 of compression mould is respectively 250cm, 127cm, 170cm, and the length of the pressurizing block 4 is respectively
249.6cm,126.6cm,20cm；In use, the plant that the pressurizing block 4 is overlayed in inside cavity 5, and is pressed in inside cavity 5
On fiber dust and adhesive mixed material 7.
Cutting device can be horizontal band resaw, for the big square of plant fiber to be cut into the plant of several pieces of required thicknesses
Fibres plate woollen.
Edges of boards cutting machine, for carrying out saw side, cutting edge to the vegetable fibre board woollen cut into.
Sander, for the plate face and edges of boards progress sanding processing to vegetable fibre board woollen.
When processing vegetable fibre board using the cold presswork system, first by plant fiber and adhesive according to the above ratio
The mixing of investment mixing blender stirs；Then mixed uniformly plant fiber powder and adhesive injection are cold-pressed
In the inside cavity 5 of mold 3, and pressurizing block 4 is overlayed in inside cavity 5, plant fiber powder and the gluing being pressed in inside cavity 5
On agent composition material 7 (such as Fig. 4)；Then starting cold press 1 presses, and the lower platen 12 of cold press 1 is pressed downward that (pressure is at this time
16kg/cm2More than) cold stamping die 3 (demoulding) is dismantled in pressurizing block 4, after a period of time, it is generous that molding plant fiber is made
Block 8 (such as Fig. 5), the height of the big square of plant fiber are 100cm or so；Followed by cutting device, can be for plant is fine
Tie up the vegetable fibre board woollen that big square cuts into several pieces of required thicknesses；Finally by edges of boards cutting machine and sander successively into
After row trimming processing and sanding processing, vegetable fibre board is made.
In this way, vegetable fibre board cold presswork method and system of the present invention can prepare plant fiber by cold pressing
Plate needs not move through hot pressing process, can not only reduce a large amount of mechanical equipment investments, but also can save a large amount of energy consumptions (thermal energy), substantially reduce
Production cost, hence it is evident that the competitiveness of product in market is improved, " zero " (exhaust gas) discharges simultaneously, and it is environmentally protective, and also structure is simple,
Implementation is easy, is at low cost, is particularly suitable for small business and uses, and is conducive to promote, popularize.
Moreover, the side lower end of the cold stamping die 3 is equipped with remaining glue tap 6, the remaining glue tap 6 and inside cavity 5
Connection；Wherein, the remaining glue tap 6 can be set at the lower corners of rear and front end side that (naturally it can also arranged in certain
One side or whole sides, and it is also possible to any position of side lower end).In this way, can will be extra in cold pressure procedure
Adhesive discharge, further increase and ensure the quality of product.
Vegetable fibre board cold presswork method of the present invention is also wanted after edges of boards cutting and before sanding processing
Vegetable fibre board woollen after trimming is conserved, drops moisture content, i.e., vegetable fibre board woollen after trimming is put into drying and set
It is standby to carry out drying and processing or gas dry-cure, reduce moisture content；Correspondingly, vegetable fibre board cold presswork of the present invention system also wraps
Drying equipment is included.In this way, the vegetable fibre board performance prepared is more stable, quality is more preferably.
In addition, the present invention also provides a kind of vegetable fibre boards to be cold-pressed adhesive, by the magnesium sulfate solution and oxygen of equivalent
Change magnesium dust mixing, stir, the magnesium sulfate solution is 48.5%~49.5% by weight percent
The water resistant reinforcing agent that water that magnesium sulfate, weight percent are 48.5%~49.5%, weight percent are 1%~3% is sufficiently mixed
Conjunction uniformly forms, and the ratio of the magnesium sulfate and water is 1: 1.When preparation, magnesium sulfate is first weighed, and be dissolved in the water of equivalent
(i.e. magnesium sulfate: water=1: 1) being sufficiently stirred, and the water resistant reinforcing agent that then weight percent is 1%~3% is added in magnesium sulfate water
It in solution, and stirs, to improve the intensity and water resistance of veneered product, magnesium sulfate solution is made, then again
Weigh with the magnesium oxide powder of magnesium sulfate solution equivalent (85% or more purity), be added magnesium sulfate solution in, be sufficiently stirred
A kind of dedicated adhesive of cold presswork vegetable fibre board is made after uniformly, which is a kind of inorganic, fluid gluing of no aldehyde
Agent can also be used in the cold presswork of the wood-based plates such as wooden plywood, particieboard, i.e.,：On Wooden veneer (middle plate or panel)
Even spread adhesive, and it is combined into " multilayer slab ", one is placed between every group " multilayer slab " with a thickness of 2mm~6mm's
Steel plate, aluminium sheet or hard PVC plate proper alignment are sent into pressurization in cold press, solidification at " straight sheet pile ", by " straight sheet pile ".
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (9)
1. a kind of vegetable fibre board cold presswork method, which is characterized in that including：
It is glued mixing, plant fiber is mixed with adhesive, is stirred；
Mat formation cold pressing, uniformly mixed plant fiber and adhesive are paved in the cold stamping die group of cold press device, carried out cold
Pressure, solidification, are made the big square of plant fiber；
The big square of plant fiber, is cut into the vegetable fibre board woollen of several pieces of required thicknesses by cutting；
Edges of boards cutting, carries out saw side, cutting edge to the vegetable fibre board woollen cut into；
Sanding processing, plate face and edges of boards to vegetable fibre board woollen carry out sanding processing, vegetable fibre board are made.
2. vegetable fibre board cold presswork method according to claim 1, which is characterized in that when being glued mixing, the plant
Fibres and adhesive mixed proportion are 1: 0.8~1.8；Wherein, magnesium sulfate solution and oxidation of the adhesive by equivalent
Magnesium dust mixing stirs, the sulphur that the magnesium sulfate solution is 48.5%~49.5% by weight percent
The water resistant reinforcing agent that water that sour magnesium, weight percent are 48.5%~49.5%, weight percent are 1%~3% is sufficiently mixed
It uniformly forms, and the ratio of the magnesium sulfate and water is 1: 1.
3. vegetable fibre board cold presswork method according to claim 2, which is characterized in that the plant fiber is 200 mesh
The above powder or fiber, the purity of the magnesium oxide powder is 85% or more.
4. vegetable fibre board cold presswork method according to claim 1, which is characterized in that described " by uniformly mixed plant
Fibres and adhesive are paved in the cold stamping die group of cold press device, are cold-pressed, are solidified, and the big square of plant fiber is made "
Specially：First by the inside cavity of uniformly mixed plant fiber and adhesive injection cold stamping die, then pressurizing block is folded
On the plant fiber powder and adhesive mixed material for being placed in inside cavity, and being pressed in inside cavity, then starts cold press and apply
Cold stamping die is dismantled after pressure a period of time, the big square of molding plant fiber is made.
5. the according to claim 1 or 2 or 3 or 4 vegetable fibre board cold presswork methods, which is characterized in that planted cutting out
After fibres plate woollen and before edges of boards cutting, also to be conserved to vegetable fibre board woollen is cut out, drop moisture content,
Vegetable fibre board woollen will be cut out and be put into drying equipment progress drying and processing or gas dry-cure, reduce moisture content.
6. a kind of vegetable fibre board cold presswork system, which is characterized in that including：
Mixing blender, for being mixed, being stirred in plant fiber and adhesive investment mixing blender；
Cold press device, for the plant fiber being uniformly mixed and adhesive to be paved in the cold stamping die group of cold press device, into
Row cold pressing, solidification, are made the big square of plant fiber；The cold press device includes cold press and on the cold pressing station of cold press
Cold stamping die group, the cold stamping die group is made of detachable concave frame cold stamping die and one piece or more pressurizing block, described
The shape size of pressurizing block is adapted with the inside cavity of cold stamping die；In use, the pressurizing block overlays in inside cavity, and press
On plant fiber powder and adhesive mixed material in inside cavity；
Cutting device, for the big square of plant fiber to be cut into the vegetable fibre board woollen of several pieces of required thicknesses；
Edges of boards cutting machine, for carrying out saw side, cutting edge to the vegetable fibre board woollen cut into；
Sander, for the plate face and edges of boards progress sanding processing to vegetable fibre board woollen.
7. vegetable fibre board cold presswork system according to claim 6, which is characterized in that under the side of the cold stamping die
End is equipped with remaining glue tap, and the remaining glue tap is connect with inside cavity.
8. vegetable fibre board cold presswork system according to claim 6, which is characterized in that further include having drying equipment, use
It is put into drying equipment progress drying and processing or gas dry-cure in vegetable fibre board woollen will be cut out, reduces moisture content.
9. a kind of vegetable fibre board is cold-pressed adhesive, which is characterized in that mixed by the magnesium sulfate solution and magnesium oxide powder of equivalent
Close, stir, the magnesium sulfate solution by weight percent be 48.5%~49.5% magnesium sulfate, weight
The water resistant reinforcing agent that water that percentage is 48.5%~49.5%, weight percent are 1%~3%, which is sufficiently mixed, uniformly to be formed,
And the ratio of the magnesium sulfate and water is 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776223.5A CN108818877A (en) | 2018-07-16 | 2018-07-16 | A kind of vegetable fibre board cold presswork method and system and cold pressing adhesive |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810776223.5A CN108818877A (en) | 2018-07-16 | 2018-07-16 | A kind of vegetable fibre board cold presswork method and system and cold pressing adhesive |
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Family
ID=64139487
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| CN201810776223.5A Withdrawn CN108818877A (en) | 2018-07-16 | 2018-07-16 | A kind of vegetable fibre board cold presswork method and system and cold pressing adhesive |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109849426A (en) * | 2019-01-09 | 2019-06-07 | 中科国兴（绵阳）科技有限公司 | A kind of carton molding production system and production technology |
| CN110746174A (en) * | 2019-11-14 | 2020-02-04 | 福建省德锐新材有限公司 | A-grade fireproof mineral board and preparation method thereof |
| WO2020119102A1 (en) * | 2018-12-12 | 2020-06-18 | 江苏中联路基工程有限公司 | Degradable drainage board, material composition, and manufacturing process therefor |
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Application publication date: 20181116 |
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| WW01 | Invention patent application withdrawn after publication |