CN106088524B - A kind of solid wood multi-layer composite floor board and its preparation process and group blank technology - Google Patents
A kind of solid wood multi-layer composite floor board and its preparation process and group blank technology Download PDFInfo
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- CN106088524B CN106088524B CN201610494963.0A CN201610494963A CN106088524B CN 106088524 B CN106088524 B CN 106088524B CN 201610494963 A CN201610494963 A CN 201610494963A CN 106088524 B CN106088524 B CN 106088524B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/02—Flooring or floor layers composed of a number of similar elements
- E04F15/04—Flooring or floor layers composed of a number of similar elements only of wood or with a top layer of wood, e.g. with wooden or metal connecting members
- E04F15/045—Layered panels only of wood
- E04F15/046—Plywood panels
Abstract
A kind of solid wood multi-layer composite floor board of present invention offer and its preparation process and group blank technology, the preparation process include the following steps：The preparation of core plate；The preparation of base material：It is slab by core plate assembly, a group blank technology is：Two core plates are binded in such a way that texture interlocks, obtain the double-deck core plate, three core plates are binded in such a way that texture interlocks, obtain three layers of core plate, side by the two sides of three layers of core plate respectively with pair of lamina core plate is binded, and three layers of core plate are identical as the grain direction of core plate for mutually binding position per pair of lamina core plate；Cold moudling；Hot-press gluing；Sanding is handled.Blank technology is organized in the present invention makes the lock button-type of fluting more stablize than traditional whole transverse and longitudinals are staggered, greatly reduces the rejection rate of fluting；Base material is by core plate assembly into the defects of then being suppressed through high temperature and pressure, effectively improve yielding timber, warpage and cracking.
Description
Technical field
The present invention relates to floor producing technology field, a kind of solid wood multi-layer composite floor board and its preparation process are specifically disclosed
With a group blank technology.
Background technology
Solid wooden compound floor timber floor with its natural environmental-protective, texture is thick and solid gentle, beautiful texture is natural the advantages that, it is just more next
Average family is entered into more.Solid wooden compound floor is divided into three-layer wood composite flooring and multi-layer solid wood composite floor.Family wear
The most commonly used is three-layer wood composite floorings in repairing.Three-layer wood composite flooring is formed by three-layer real-wood veneer crosswise lamination,
Surface layer is high-quality broadleaf specification lath mosaic plate or whole picture plank, and material kind is mostly used toothed oak wood, beech, birch, Manchurian ash etc.；Core
Layer is made of common soft miscellaneous specification wood lath, and material kind is mostly used pine, poplar etc.；Bottom is rotary cut venner, and material kind is mostly used poplar, birch
Wood, pine, three-decker are pressed with glue-line.Multi-layer solid wood composite floor is using multi-plywood as base material, with specification hardwood
Thin slice mosaic plate or veneer are panel, are laminated.Multi-layer solid wood composite floor substantially increases wood comprehensive utilization rate, especially
It is to have saved a large amount of high-quality timber, is conducive to the comprehensive utilization of China's Forest Resources, can preferably pushes the low-carbon of Floor Industry
Economic development, for promoting the benign development of Floor Industry to be of great significance.But multi-layer solid wood composite floor complex process, it is raw
Easily occurs the problem of high rejection rate that the lock performance slotted is unstable, slots in production.
Invention content
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of solid wood multi-layer composite floor board is provided and its prepares work
Skill and group blank technology, the lock performance of the fluting of the solid wood multi-layer composite floor board are stablized, and the rejection rate of fluting is greatly reduced.
In order to realize object above and other purposes, the present invention including following technical scheme by realizing：A kind of group
Blank technology includes the following steps：By two core plates by texture interlock in the way of bind, obtain the double-deck core plate, make to
Few two double-deck core plates；Three core plates are binded in such a way that texture interlocks, three layers of core plate is obtained, makes at least
One three layers of core plate；The two sides of three layers of core plate is binded with the double-deck core plate on one side respectively, described three
Layer core plate is identical as the grain direction of core plate that each double-deck core plate mutually binds position.
Invention additionally discloses a kind of preparation processes of solid wood multi-layer composite floor board, include the following steps：The preparation of core plate：Choosing
Select that thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and assembly, group are carried out with hot melt wire by splicing machine
At the size needed for base material；The preparation of base material：By the core plate according to group blank technology assembly as described above be slab, it is desirable that
It is put up and down when assembly neat；Cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；Hot pressing glue
It closes：After the completion of cold moudling, hot-press gluing is carried out with hot press, obtains base material；Sanding is handled：By the fixed thick sand of the base material
Photomechanical equipment carries out sanding processing, reaches required thickness range.
Preferably, the cold pressing time of the cold moudling is 60-90min, cold pressing pressure 5-8kg/cm2。
Preferably, the step of hot-press gluing carries out hot-press gluing, hot pressing temperature 110-115 using substrate hot press
DEG C, hot pressing time 8-12min, dwell time 50-70s, hot pressing pressure 11-13kg/cm2.Wherein, hot pressing time refers to
The time of plank pressurized, heated on hot press steel plate, dwell time are that finger pressure drops to 0 pressure institute from the pressure of original setting
The time needed, dwell time are the Best Times of plank draining.Substrate hot press carries out hot-press gluing than hot pressing in traditional handicraft
Time needed for time, dwell time is shorter, saves the energy.
Preferably, the step of hot-press gluing carries out hot-press gluing, hot pressing temperature 110-115 using speed veneering hot press
DEG C, hot pressing time 5-8min, dwell time 50-70s, hot pressing pressure 11-13kg/cm2.The hot pressing system of speed veneering hot press
It unites quick heating, and heating system and heat-conducting system have carried out segment design, its heat consumption is low and heat conduction is uniform to enabling, and technique is joined
Number adjusting range is wide, therefore disclosure satisfy that the processing and manufacturing of plank.
Preferably, the preparation process of the solid wood multi-layer composite floor board further includes the modulation step of adhesive, the gluing
The curing agent of agent is added before the preparation process of the base material.The curing rate of adhesive can according to site environment and
Technological process is adjusted, and meets the needs of different productions.Such as：It can pass through in 33 DEG C of summer high temperature or more and reduce curing agent
Usage amount extend the active phase of glue, so that entire technological process can be carried out orderly；Increase when in winter at 0 DEG C of low temperature
The usage amount of curing agent reduces the time needed for pre-molding, saves the time of cold moudling；According to temperature adjustment curing agent
Dosage：When temperature is 0-20 DEG C, curing agent usage amount is the 0.5-0.6% of adhesive weight, when temperature is 20-30 DEG C
When, curing agent usage amount is the 0.4-0.5% of adhesive weight, and when temperature is 30-45 DEG C, curing agent usage amount is adhesive
The 0.3-0.4% of weight；In base material assembly, the adhesive for binding core plate need to reduce the amount of curing agent to extend adhesive
The active phase, the adhesive for binding the double-deck core plate and three layers of core plate need to increase the amount of curing agent to shorten cold moudling needs
Time, save time between assembly to hot-press gluing.
Preferably, the adhesive is the water-borne pressure sensitive adhesive that vinyl acetate-ethylene copolymer is modified.Since the present invention uses
Adhesive there is water absorption character, the moisture content of plank is lower than the plank moisture content that normal urea-formaldehyde glue is made.Simultaneously to group
The water content requirement of core plate before base is not so high, shortens core plate drying time, to be saved in feedstock processing this aspect
It saves time and the energy.
It is highly preferred that section of the model Hefei City day chemical industry KTC829C-1 of the adhesive.
Preferably, the preparation process of the solid wood multi-layer composite floor board is further comprising the steps of：Solid-wood panels are selected：It will
The moisture control of the solid-wood panels is between 6%-13%；Bottom plate is selected：Select zero defect, the bottom plate without fracture；It will
The solid-wood panels, the bottom plate of select are coated adhesive and are attached on the both sides of the base material respectively, enter back into hot press
In carry out hot pressing, obtain solid wood multi-layer composite floor board.
Preferably, the preparation process of the solid wood multi-layer composite floor board further includes carrying out the solid wood multi-layer composite floor board
The step of the step of grooving step and showering are painted, the showering paint, is using flow coating equipment to the solid wood multi-layer composite floor board
Three priming paint of showering and seven finishing coats.Accurately slice, molding of slotting are carried out using polycrystalline diamond cutter fluting apparatus, it is raw
Production splicing floors fit together perfectly, beautiful and more effective moisture-proof.
Invention additionally discloses a kind of solid wood multi-layer composite floor boards being prepared by preparation process described above.
Solid wood multi-layer composite floor board includes being sequentially connected bottom plate, base material and panel, and base material carries out group by above-mentioned group of blank technology
The double-deck core plate need to be respectively arranged at the both sides of three layers of core plate by base according to symmetrical principle, and base material includes 3+4n layers of core plate,
In, n 1,2.
In conclusion a kind of solid wood multi-layer composite floor board of present invention offer and its preparation process and group blank technology, the present invention
Advantageous effect：Blank technology is organized used in the present invention first binds the double-deck core plate and three layers of core in such a way that texture interlocks
Plate, then the side by the two sides of three layers of core plate respectively with the double-deck core plate bind, three layers of core plate are mutually sticked with the double-deck core plate
The grain direction for closing the core plate of position is identical, and the lock button-type of this assemble pattern fluting is staggered than traditional whole transverse and longitudinals
More to stablize, greatly reduce the rejection rate of fluting；Solid wood multi-layer composite floor board is by panel, base material and bottom plate in the present invention
It constitutes, base material is formed by core plate assembly and suppressed through high temperature and pressure, effectively improves yielding timber, warpage and cracking etc.
Defect has ensured the aesthetics of the dimensional stability and lock fluting on floor in structure.And the present invention is using the nothing of environmental protection
Aldehyde adhesive, solid wood multi-layer composite floor board Form aldehyde release can reach 0.1mg/L hereinafter, remote super national standard E0 grades of 0.5mg/L mark
Standard is a kind of solid wooden floor board of safety and environmental protection.
Specific implementation mode
With reference to embodiment, the present invention is further explained.It should be understood that embodiment is merely to illustrate the present invention, and it is unrestricted
The scope of the present invention.
Embodiment 1
A kind of preparation process of solid wood multi-layer composite floor board includes the following steps：
(1) preparation of raw material：Raw material removes first through examining and decile with excessive unqualified of small holes caused by worms, rotten, defect
Material.
(2) solid-wood panels are selected：Multi-layer solid wood composite floor is chiefly used in the dry environment in the north, therefore dimensionally stable
Property is extremely crucial.In order to prevent phenomena such as dry heating season is cracking, to select, strictly control aqueous one by one
Rate is between 6%-13%.
(3) bottom plate is selected：Select zero defect, the bottom plate without fracture.
(4) rounding is dried：Wood base material solid core plate quality is inseparable with the quality on finished product floor, what circumgyration incision went out
Solid wood core plate thickness about 2.2mm also needs to be dried for a period of time after rotary-cut, and the moisture content of core plate is 8-15% after drying.
(5) preparation of core plate：Selection thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and passes through
Splicing machine carries out assembly with hot melt wire, forms the size needed for base material.
(6) preparation of base material：It is slab by core plate assembly, it is desirable that put up and down when assembly neat；The method of assembly is：It will
Two core plates are binded in such a way that texture interlocks, and obtain the double-deck core plate；Three core plates of coated glue are handed over according to texture
Wrong mode is binded, and three layers of core plate are obtained；The two sides of three layers of core plate is on one side binded with the double-deck core plate respectively, three
Layer core plate is identical as the grain direction of core plate that the double-deck core plate mutually binds position.
(7) cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；The cold pressing time of cold moudling
For 70min, cold pressing pressure 8kg/cm2。
(8) hot-press gluing：After the completion of cold moudling, it is then placed in substrate hot press and carries out hot-press gluing, obtain base material；
The hot pressing temperature of hot-press gluing is 110 DEG C, hot pressing time 10min, dwell time 60s, hot pressing pressure 13kg/cm2。
(9) sanding is handled：Base material is subjected to sanding processing with contact calibrating machine equipment, reaches required thickness range.
(10) solid-wood panels of select, bottom plate are coated adhesive respectively to be attached on the both sides of base material, enters back into hot pressing
Hot pressing is carried out in machine, obtains solid wood multi-layer composite floor board.
(11) fluting and showering paint, accurately cut solid wood multi-layer composite floor board using German import fluting apparatus
Piece, fluting molding, the requirement of the button-type cross-notching of lock is very high, and the accuracy of equipment uses the splicing on finished product floor and later stage
There is vital effect.Showering painting process is using flow coating equipment to three priming paint of solid wood multi-layer composite floor board showering and seven
Road finishing coat, then polishes, and the lacquer painting on finished product floor not only jade-like stone will moisten bright but also have very strong toughness.
Embodiment 2
A kind of preparation process of solid wood multi-layer composite floor board includes the following steps：
(1) preparation of raw material：Raw material removes first through examining and decile with excessive unqualified of small holes caused by worms, rotten, defect
Material.
(2) solid-wood panels are selected：Multi-layer solid wood composite floor is chiefly used in the dry environment in the north, therefore dimensionally stable
Property is extremely crucial.In order to prevent phenomena such as dry heating season is cracking, to select, strictly control aqueous one by one
Rate is between 6%-13%.
(3) bottom plate is selected：Select zero defect, the bottom plate without fracture.
(4) rounding is dried：Wood base material solid core plate quality is inseparable with the quality on finished product floor, what circumgyration incision went out
About 2.2 millimeters of solid wood core plate thickness also needs to be dried for a period of time after rotary-cut, and the moisture content of core plate is 8-15% after drying.
(5) preparation of core plate：Selection thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and passes through
Splicing machine carries out assembly with hot melt wire, forms the size needed for base material.
(6) preparation of base material：It is slab by core plate assembly, it is desirable that put up and down when assembly neat；The method of assembly is：It will
Two core plates of coated glue are binded in such a way that texture interlocks, obtain the double-deck core plate；By three core plates of coated glue
It is binded in such a way that texture interlocks, obtains three layers of core plate；By the two sides of the three layers of core plate one side with the double-deck core plate respectively
It is binded, three layers of core plate are identical as the grain direction of core plate that the double-deck core plate mutually binds position.
(7) cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；The cold pressing time of cold moudling
For 80min, cold pressing pressure 6kg/cm2。
(8) hot-press gluing：After the completion of cold moudling, it is then placed in substrate hot press and carries out hot-press gluing, obtain base material；
The hot pressing temperature of hot-press gluing is 115 DEG C, hot pressing time 8min, dwell time 70s, hot pressing pressure 12kg/cm2。
(9) sanding is handled：Base material is subjected to sanding processing with contact calibrating machine equipment, reaches required thickness range.
(10) solid-wood panels of select, bottom plate are coated adhesive respectively to be attached on the both sides of base material, enters back into hot pressing
Hot pressing is carried out in machine, obtains solid wood multi-layer composite floor board.
(11) fluting and showering paint carry out accurately slice, fluting using German import fluting apparatus and are molded, lock
The requirement of button-type cross-notching is very high, and the accuracy of equipment has vital work to the splicing and later stage use on finished product floor
With.Showering painting process, to three priming paint of solid wood multi-layer composite floor board showering and seven finishing coats, is then polished using flow coating equipment,
The lacquer painting on finished product floor will not only jade-like stone profit be bright but also has very strong toughness.
Embodiment 3
A kind of preparation process of solid wood multi-layer composite floor board includes the following steps：
(1) preparation of raw material：Raw material removes first through examining and decile with excessive unqualified of small holes caused by worms, rotten, defect
Material.
(2) solid-wood panels are selected：Multi-layer solid wood composite floor is chiefly used in the dry environment in the north, therefore dimensionally stable
Property is extremely crucial.In order to prevent phenomena such as dry heating season is cracking, to select, strictly control aqueous one by one
Rate is between 6%-15%.
(3) bottom plate is selected：Select zero defect, the bottom plate without fracture.
(4) rounding is dried：Wood base material solid core plate quality is inseparable with the quality on finished product floor, what circumgyration incision went out
About 2.2 millimeters of solid wood core plate thickness also needs to be dried for a period of time after rotary-cut, and the moisture content of core plate is 8-15% after drying.
(5) preparation of core plate：Selection thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and passes through
Splicing machine carries out assembly with hot melt wire, forms the size needed for base material.
(6) preparation of base material：It is slab by core plate assembly, it is desirable that put up and down when assembly neat；The method of assembly is：It will
Two core plates of coated glue are binded in such a way that texture interlocks, obtain the double-deck core plate；By three core plates of coated glue
It is binded in such a way that texture interlocks, obtains three layers of core plate；By the two sides of the three layers of core plate one side with the double-deck core plate respectively
It is binded, three layers of core plate are identical as the grain direction of core plate that the double-deck core plate mutually binds position.
(7) cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；The cold pressing time of cold moudling
For 80min, cold pressing pressure 6kg/cm2。
(8) hot-press gluing：After the completion of cold moudling, it is then placed in speed veneering hot press and carries out hot-press gluing, obtain base material；
The hot pressing temperature of hot-press gluing is 110 DEG C, hot pressing time 8min, dwell time 60s, hot pressing pressure 11kg/cm2。
(9) sanding is handled：Base material is subjected to sanding processing with contact calibrating machine equipment, reaches required thickness range.
(10) solid-wood panels of select, bottom plate are coated adhesive respectively to be attached on the both sides of base material, enters back into hot pressing
Hot pressing is carried out in machine, obtains solid wood multi-layer composite floor board.
(11) fluting and showering paint carry out accurately slice, fluting using German import fluting apparatus and are molded, lock
The requirement of button-type cross-notching is very high, and the accuracy of equipment has vital work to the splicing and later stage use on finished product floor
With.Showering painting process, to three priming paint of solid wood multi-layer composite floor board showering and seven finishing coats, is then polished using flow coating equipment,
The lacquer painting on finished product floor will not only jade-like stone profit be bright but also has very strong toughness.
Embodiment 4
A kind of preparation process of solid wood multi-layer composite floor board includes the following steps：
(1) preparation of raw material：Raw material removes first through examining and decile with excessive unqualified of small holes caused by worms, rotten, defect
Material.
(2) solid-wood panels are selected：Multi-layer solid wood composite floor is chiefly used in the dry environment in the north, therefore dimensionally stable
Property is extremely crucial.In order to prevent phenomena such as dry heating season is cracking, to select, strictly control aqueous one by one
Rate is between 6%-13%.
(3) bottom plate is selected：Select zero defect, the bottom plate without fracture.
(4) rounding is dried：Wood base material solid core plate quality is inseparable with the quality on finished product floor, what circumgyration incision went out
About 2.2 millimeters of solid wood core plate thickness also needs to be dried for a period of time after rotary-cut, and the moisture content of core plate is 8-15% after drying.
(5) preparation of core plate：Selection thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and passes through
Splicing machine carries out assembly with hot melt wire, forms the size needed for base material.
(6) preparation of base material：It is slab by core plate assembly, it is desirable that put up and down when assembly neat；The method of assembly is：It will
Two core plates of coated glue are binded in such a way that texture interlocks, obtain the double-deck core plate；By three core plates of coated glue
It is binded in such a way that texture interlocks, obtains three layers of core plate；By the two sides of three layers of core plate respectively with pair of lamina core plate
Side is binded, and three layers of core plate are identical as the grain direction of core plate for mutually binding position per pair of lamina core plate.
(7) cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；The cold pressing time of cold moudling
For 70min, cold pressing pressure 0.5MPa.
(8) hot-press gluing：After the completion of cold moudling, it is then placed in speed veneering hot press and carries out hot-press gluing, obtain base material；
The hot pressing temperature of hot-press gluing is 115 DEG C, hot pressing time 6min, dwell time 70s, hot pressing pressure 13kg/cm2。
(9) sanding is handled：Base material is subjected to sanding processing with contact calibrating machine equipment, reaches required thickness range.
(10) solid-wood panels of select, bottom plate are coated adhesive respectively to be attached on the both sides of base material, enters back into hot pressing
Hot pressing is carried out in machine, obtains solid wood multi-layer composite floor board.
(11) fluting and showering paint carry out accurately slice, fluting using German import fluting apparatus and are molded, lock
The requirement of button-type cross-notching is very high, and the accuracy of equipment has vital work to the splicing and later stage use on finished product floor
With.Showering painting process, to three priming paint of solid wood multi-layer composite floor board showering and seven finishing coats, is then polished using flow coating equipment,
The lacquer painting on finished product floor will not only jade-like stone profit be bright but also has very strong toughness.
Test result：
The technical performance testing result of solid wood multi-layer composite floor board prepared by 1 embodiment 1 to 4 of table
Embodiment 1 to 4 is obtained into solid wood multi-layer composite floor board, performance survey is carried out according to standard GB/T/T 18103-2013
Examination, table 1 are the technical performance testing result of solid wood multi-layer composite floor board prepared by embodiment 1 to 4, it can be seen from the table, embodiment 1
Solid wood multi-layer composite floor board is obtained in dipping and stripping, burst size of methanal, bending strength, elasticity modulus and bonding strength to 4
The physicochemical property of aspect meets national standard, and the performance requirement of far superior to national standard, and it is more that embodiment 1 to 4 obtains solid wood
Layer composite floor board has the advantages that environmentally friendly, free of contamination.The fluting of the solid wooden compound floor prepared through statistics, conventional production methods
Rejection rate reaches 1-3%, even higher, and the rejection rate of solid wood multi-layer composite floor board fluting prepared by this method is less than 0.5%,
Less than the fluting rejection rate of solid wooden compound floor prepared by conventional production methods.
In conclusion solid wood multi-layer composite floor board is made of panel, base material and bottom plate in the present invention, base material is by core plate assembly
It is suppressed into through high temperature and pressure, staggeredly checks and balance anyhow per interlayer, effectively improve yielding timber, warpage and open
The defects of splitting has ensured the aesthetics of the dimensional stability and lock fluting on floor in structure.And the present invention is using environmental protection
Without aldehyde adhesive, solid wood multi-layer composite floor board Form aldehyde release can reach 0.1mg/L hereinafter, remote super national standard E0 grades of 0.5mg/L
Standard.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization.
The above, only presently preferred embodiments of the present invention, not to the present invention in any form with substantial limitation,
It should be pointed out that for those skilled in the art, under the premise of not departing from the method for the present invention, can also make
Several improvement and supplement, these are improved and supplement also should be regarded as protection scope of the present invention.All those skilled in the art,
Without departing from the spirit and scope of the present invention, when made using disclosed above technology contents it is a little more
Dynamic, modification and the equivalent variations developed, are the equivalent embodiment of the present invention；Meanwhile all substantial technologicals pair according to the present invention
The variation, modification and evolution of any equivalent variations made by above-described embodiment, still fall within the range of technical scheme of the present invention
It is interior.
Claims (7)
1. a kind of preparation process of solid wood multi-layer composite floor board, it is characterised in that：Include the following steps：
The preparation of core plate：Selection thickness is uniform, thickness is moderate, and zero defect, the solid wood core plate without fracture, and passes through and splice machine use
Hot melt wire carries out assembled, the size needed for composition base material；
The preparation of base material：Core plate assembly is that the method for slab is：Two core plates are binded in such a way that texture interlocks, are obtained
To the double-deck core plate, at least two double-deck core plates are made；
Three core plates are binded in such a way that texture interlocks, three layers of core plate is obtained, makes at least one three layers of core
Plate；
The two sides of three layers of core plate is binded with the double-deck core plate on one side respectively, three layers of core plate and each institute
The grain direction for stating the core plate that the double-deck core plate mutually binds position is identical, it is desirable that is put up and down when assembly neat；
Cold moudling：The slab that assembly is completed is subjected to pre-molding by cold press；
Hot-press gluing：After the completion of cold moudling, hot-press gluing is carried out with hot press, obtains base material；
Sanding is handled：The base material is subjected to sanding processing with contact calibrating machine equipment, reaches required thickness range；
The preparation process of the solid wood multi-layer composite floor board further includes the modulation step of adhesive, and the curing agent of the adhesive exists
It is added before the preparation process of the base material；
The adhesive is the water-borne pressure sensitive adhesive that vinyl acetate-ethylene copolymer is modified；
When 0-20 DEG C of temperature, curing agent usage amount is the 0.5-0.6% of adhesive weight, when temperature is 20-30 DEG C, solidification
Agent usage amount is the 0.4-0.5% of adhesive weight, and when temperature is 30-45 DEG C, curing agent usage amount is adhesive weight
0.3-0.4%.
2. the preparation process of solid wood multi-layer composite floor board as described in claim 1, it is characterised in that：The cold moudling it is cold
The pressure time is 60-90min, cold pressing pressure 5-8kg/cm2.
3. the preparation process of solid wood multi-layer composite floor board as described in claim 1, it is characterised in that：The step of the hot-press gluing
Suddenly hot-press gluing is carried out using substrate hot press, hot pressing temperature is 110-115 DEG C, hot pressing time 8-12min, and the dwell time is
0.8-1.5min, hot pressing pressure 11-13kg/cm2.
4. the preparation process of solid wood multi-layer composite floor board as described in claim 1, it is characterised in that：The step of the hot-press gluing
Suddenly hot-press gluing is carried out using speed veneering hot press, hot pressing temperature is 110-115 DEG C, hot pressing time 5-8min, and the dwell time is
0.8-1.5min, hot pressing pressure 11-13kg/cm2.
5. the preparation process of solid wood multi-layer composite floor board as described in claim 1, it is characterised in that：The solid wood multi-layer is compound
The preparation process on floor is further comprising the steps of：
Solid-wood panels are selected：By the moisture control of the solid-wood panels between 6%-13%；
Bottom plate is selected：Select zero defect, the bottom plate without fracture；
The solid-wood panels of select, the bottom plate are coated adhesive and be attached on the both sides of the base material respectively, is entered back into
Hot pressing is carried out in hot press, obtains solid wood multi-layer composite floor board.
6. the preparation process of solid wood multi-layer composite floor board as claimed in claim 5, it is characterised in that：The solid wood multi-layer is compound
The preparation process on floor further includes the steps that the solid wood multi-layer composite floor board is carried out grooving step and showering paint, the leaching
The step of painting, is using flow coating equipment to three priming paint of solid wood multi-layer composite floor board showering and seven finishing coats.
7. the solid wood multi-layer composite floor board that a kind of preparation process by as described in claim 1 to 6 is any is prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494963.0A CN106088524B (en) | 2016-06-27 | 2016-06-27 | A kind of solid wood multi-layer composite floor board and its preparation process and group blank technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610494963.0A CN106088524B (en) | 2016-06-27 | 2016-06-27 | A kind of solid wood multi-layer composite floor board and its preparation process and group blank technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106088524A CN106088524A (en) | 2016-11-09 |
| CN106088524B true CN106088524B (en) | 2018-09-07 |
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| CN201610494963.0A Active CN106088524B (en) | 2016-06-27 | 2016-06-27 | A kind of solid wood multi-layer composite floor board and its preparation process and group blank technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023166338A1 (en) * | 2022-03-04 | 2023-09-07 | Flo.It Srl | Multilayered wood flooring panel |
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| CN107310006A (en) * | 2017-06-30 | 2017-11-03 | 兰州科天水性科技有限公司 | A kind of aldehyde-free composite floor-board and its manufacture method |
| CN107972137A (en) * | 2017-11-30 | 2018-05-01 | 广西壮象木业有限公司 | A kind of production technology of solid wood ecological plate |
| CN109015953A (en) * | 2018-07-18 | 2018-12-18 | 南宁科天水性科技有限责任公司 | A kind of formaldehydeless release integrated timber HPL facing board production technology |
| CN109707136A (en) * | 2018-10-29 | 2019-05-03 | 南宁科天水性科技有限责任公司 | A kind of impregnated paper facing multi-layer solid wood composite floor and its manufacturing method |
| CN111438785A (en) * | 2020-04-24 | 2020-07-24 | 圣象（江苏）木业研究有限公司 | Preparation process of aldehyde-free multilayer solid wood composite floor |
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| CN106088524A (en) | 2016-11-09 |
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