CN106272748A - Hot melt adhesive film compound splicing veneer and apply its plywood production technology - Google Patents
Hot melt adhesive film compound splicing veneer and apply its plywood production technology Download PDFInfo
- Publication number
- CN106272748A CN106272748A CN201610837124.4A CN201610837124A CN106272748A CN 106272748 A CN106272748 A CN 106272748A CN 201610837124 A CN201610837124 A CN 201610837124A CN 106272748 A CN106272748 A CN 106272748A
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- CN
- China
- Prior art keywords
- veneer
- adhesive film
- hot melt
- melt adhesive
- plywood
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
Abstract
The present invention relates to a kind of hot melt adhesive film compound splicing veneer, the veneer being stitched together including polylith, the seam between the adjacent two pieces of veneers spliced mutually is connected together by multiple spot melt viscosity, and the adjacent two pieces of veneer one side spliced mutually are bonded with one layer of hot melt adhesive film；The invention still further relates to a kind of production technology applying hot melt adhesive film compound splicing veneer described above to produce plywood.The present invention changes the production technology of plywood completely, hot melt adhesive film compound splicing veneer well prepared in advance is utilized to be overlapped rear hot pressing plastic plywood as the veneer after applying glue, substantially increase production efficiency, improve row's plate precision, reduce row sheet separation, improve plywood quality, break away from plywood production traditional handicraft the most manually so that realize plywood production automatization and be possibly realized.
Description
Technical field
The present invention relates to a kind of hot melt adhesive film compound splicing veneer and apply its plywood production technology.
Background technology
The process producing plywood currently with hot melt adhesive film and veneer is first to have arranged one layer of veneer on bed board line, then
Spread glued membrane, the row's of repaving last layer veneer, repave last layer glued membrane ..., also need between adjacent two-layer veneer beat U-shaped moulding
Material nail is fixed, and this kind of production technology falls behind, and employment is many, and efficiency is low, unstable product quality, and labor strength is big.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of hot melt adhesive film compound splicing veneer and apply its plywood
Production technology, reduces row sheet separation, and is greatly improved the production efficiency of plywood.
The present invention uses below scheme to realize: a kind of hot melt adhesive film compound splicing veneer, is stitched together including polylith
Veneer, the seam between the adjacent two pieces of veneers spliced mutually is connected together by multiple spot melt viscosity, also includes that one layer is bonded in
Hot melt adhesive film on all veneer one side.
Further, described veneer according to wood grain move towards use horizontally-spliced or longitudinal spliced.
The present invention also provides for another technical scheme: a kind of application hot melt adhesive film compound splicing veneer described above produces gluing
The production technology of plate, comprises the following steps: (1) prepares edge-gluing veneer: utilize veneer splicing to go out edge-gluing veneer, phase on edge-gluing veneer
It is connected together by many point-like melt viscosity between adjacent two veneers of splicing, and cuts out and produced plywood length and width specification
Consistent edge-gluing veneer；(2) hot melt adhesive film compound splicing veneer is prepared: layer overlay hot melt adhesive film carrying out on edge-gluing veneer
Hot pressing forms hot melt adhesive film compound splicing veneer；(3) multi-plywood is prepared: by multilamellar hot melt adhesive film compound splicing veneer superposition
Make multi-plywood together and by plywood hot-pressing technique.
Further, in step (2), the hot pressing temperature between hot melt adhesive film and edge-gluing veneer is 100 ~ 160 DEG C, and pressure is
0.1 ~ 0.5MPa, the time is 0.5 ~ 3 second；In step (3), plywood hot-pressing machine hot pressing temperature is 130 ~ 175 DEG C.
Further, in step (1), the splicing of veneer is: first reserve between the two pieces of veneers spliced mutually width be 3 ~
Two veneers are extruded toward middle after multiple spot PUR in seam points, then flatten also at two veneer splicings by the seam of 5mm
Blow and cool down.
Further, step (1) and step (2) are to carry out on veneer splicer；Described veneer splicer includes conveying
Belting, is positioned at the unreeling shaft that is provided above of conveyer belt apparatus, and described unreeling shaft is arranged with hot melt adhesive film reel, described defeated
Work-feeding means is arranged above being positioned at unreeling shaft rear and hot melt adhesive film and edge-gluing veneer carrying out the heating platen of heat pressure adhesive,
Conveyer belt apparatus is also arranged above being positioned at the pressing plate carrying out flattening at unreeling shaft front two veneer splicings that will splice mutually, pressing plate
On there is air blowing Cooling Holes；Be positioned at below the upside band of conveyer belt apparatus be provided with match with heating platen and pressing plate respectively
Fagging.
Further, described heating platen bottom surface is coated with politef high temperature cloth or is coated with teflon finish, institute
State the gas hole offering penetration heat pressing plate upper and lower side on heating platen, described politef high temperature cloth offers and blows
The through hole that hole is corresponding；Described gas hole upper end connects air inlet pipe, and air inlet pipe is provided with control valve.
Further, in step (1), edge-gluing veneer uses horizontally-spliced or longitudinal spliced, uses and laterally spell in step (3)
The hot melt adhesive film compound splicing veneer connect and longitudinal spliced hot melt adhesive film compound splicing veneer interlock superposition, and in superposition
Cheng Zhong, the hot melt adhesive film compound splicing veneer band hot melt adhesive film one being positioned at top layer faces down, and the edge-gluing veneer of remaining each layer is
Band hot melt adhesive film one faces up.
Compared with prior art, the method have the advantages that the production technology that present invention improves plywood, profit
It is overlapped rear hot pressing plastic plywood with hot melt adhesive film compound splicing veneer well prepared in advance as semi-finished product, is greatly improved
Production efficiency, not in use by the bed board line that the most general amount of labour used is big, it is only necessary to interlock in superposition by rift grain band
Hot press is prepared without aldehyde multi-plywood, and completely eliminating veneer gap, overlap etc. affects the disadvantage of plywood quality, breaks away from
Plywood production backward technique the most by hand, it is achieved that plywood machinery, the major transformation of automatization, improves gluing
Plate quality.
For making the purpose of the present invention, technical scheme and advantage clearer, below will be by specific embodiment and phase
Close accompanying drawing, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is to use horizontally-spliced hot melt adhesive film compound splicing veneer organigram in the embodiment of the present invention；
Fig. 2 is to use longitudinal spliced hot melt adhesive film compound splicing veneer organigram in the embodiment of the present invention；
Fig. 3 is organigram at two veneer splicings in the present invention；
Fig. 4 is the upward view of Fig. 2；
Fig. 5 is veneer construction schematic diagram in the embodiment of the present invention；
Fig. 6 is veneer splicer organigram in the embodiment of the present invention；
Fig. 7 is heating platen profile in the embodiment of the present invention；
Fig. 8 is two veneer splicing view in the embodiment of the present invention；
Label declaration in figure: 1-veneer, 2-PUR, 3-hot melt adhesive film, 4-hot melt adhesive film compound splicing veneer, 5-conveyer belt fill
Put, 6-unreeling shaft, 7-guide roller, 8-hot melt adhesive film reel, 9-heating platen, 10-pressing plate, 11-gripper shoe, 12-politef
High temperature cloth, 13-gas hole, 14-through hole.
Detailed description of the invention
As shown in Fig. 1 ~ 7, a kind of hot melt adhesive film compound splicing veneer, the veneer 1 being stitched together including polylith, splices mutually
Adjacent two pieces of veneers 1 between seam bonded together by multiple spot PUR 2, also include that is bonded in all veneers one
Hot melt adhesive film 3 on side, hot melt adhesive film 11 uses Formaldehyde-free membranous wood adhesive, makees with this hot melt adhesive film compound splicing veneer
For semi-finished product and cut out required specification, then by multilamellar hot melt adhesive film compound splicing veneer superposition hot pressing and cold compaction plastic
Plywood, can be greatly improved working (machining) efficiency, simultaneously it can be avoided that in traditional handicraft splicing seams excessive and overlapping have a strong impact on gluing
The drawback of plate quality.
In the present embodiment, described veneer according to wood grain move towards use horizontally-spliced or longitudinal spliced.
As shown in Figure 4, a kind of production technology applying hot melt adhesive film compound splicing veneer described above to produce plywood, bag
Including following steps: (1) prepares edge-gluing veneer: utilize veneer splicing to go out edge-gluing veneer, adjacent two that edge-gluing veneer splices mutually are single
It is connected together by many point-like melt viscosity between plate；And cut out the splicing list consistent with produced plywood length and width specification
Plate, (2) prepare hot melt adhesive film compound splicing veneer: layer overlay hot melt adhesive film carry out hot pressing and become hot melt on edge-gluing veneer
Glued membrane compound splicing veneer；(3) multi-plywood is prepared: multilamellar hot melt adhesive film compound splicing veneer is superimposed and is passed through
Plywood hot-pressing technique makes multi-plywood.
In the present embodiment, in step (2), the hot pressing temperature between hot melt adhesive film and edge-gluing veneer is 100 ~ 160 DEG C, pressure
Power is 0.1 ~ 0.5MPa, and the time is 0.5 ~ 3 second；In step (2), plywood hot-pressing machine hot pressing temperature is 130 ~ 175 DEG C.
In the present embodiment, in step (1), the splicing of veneer is: first reserve width between the two pieces of veneers spliced mutually
It is the seam of 3 ~ 5mm, after multiple spot PUR, two veneers is extruded toward middle in seam points, then press at two veneer splicings
Put down and blow cooling.
In the present embodiment, step (1) and step (2) are to carry out on veneer splicer；Described veneer splicer includes
Conveyer belt apparatus 5, be positioned at conveyer belt apparatus is provided above unreeling shaft 6, and the obliquely downward being positioned at unreeling shaft 6 is provided with guide roller
7, described unreeling shaft 6 is arranged with hot melt adhesive film reel 8, described conveyer belt apparatus is arranged above being positioned at unreeling shaft rear also
Hot melt adhesive film and edge-gluing veneer carry out the heating platen 9 of heat pressure adhesive, and conveyer belt apparatus is also arranged above being positioned at unreeling shaft front
And at two veneer splicings that will splice mutually, carry out the pressing plate 10 flattened, pressing plate has air blowing Cooling Holes；It is positioned at conveyer belt apparatus
Upside band below be provided with the gripper shoe 11 matched respectively with heating platen and pressing plate.
In the present embodiment, conveyer belt apparatus 5 being provided with two stations, one is the splicing station at pressing plate place, one
Individual is the hot pressing station at heating platen place, after completing splicing, is delivered to hot pressing station and carries out hot pressing overlay film on splicing station；?
During splicing, after two veneers are connected together by melt viscosity, control pressing plate and press down the stitching portion to two veneers to flatten.
In the present embodiment, described pressing plate 10 and heating platen 9 all have Driven by Hydraulic Cylinder to lift, and in order to drive pressing plate 10
The expansion link of drive rod uses rotatable engagement with pressing plate so that pressing plate is capable of rotating, it is simple to complete horizontal spelling and the perpendicular pressure spelled
Flat operation.
In the present embodiment, described heating platen bottom surface is coated with politef high temperature cloth 12 or is coated with politef
Paint, described heating platen 10 offers the gas hole 13 of penetration heat pressing plate upper and lower side, described politef high temperature cloth is opened
It is provided with the through hole 14 corresponding with gas hole；Described gas hole upper end connects air inlet pipe, air inlet pipe is provided with control valve, in heat
After pressing plate completes hot press operation, control gas hole 13 and blow, make hot melt adhesive film depart from politef high temperature cloth 8, it is to avoid two
Person is attached together.
In the present embodiment, in step (1), edge-gluing veneer uses horizontally-spliced or longitudinal spliced, uses horizontal stroke in step (3)
Interlock superposition to hot melt adhesive film compound splicing veneer and the longitudinal spliced hot melt adhesive film compound splicing veneer of splicing, and folded
During adding, the hot melt adhesive film compound splicing veneer band hot melt adhesive film one being positioned at top layer faces down, the edge-gluing veneer of remaining each layer
It is band hot melt adhesive film one to face up.
Utilize hot melt adhesive film compound splicing veneer to manufacture plywood as semi-finished product and can be greatly improved working (machining) efficiency, no longer
Use the bed board line that the most general amount of labour used is big, it is only necessary to by rift grain band interlock superposition can go up hot press preparation many without aldehyde
Layer plywood, completely eliminating veneer gap, overlap etc. affects the disadvantage of plywood quality.Break away from plywood production substantially to lean on
Manual backward technique, it is achieved that plywood machinery, the major transformation of automatization.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
It is understood by, the foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (8)
1. a hot melt adhesive film compound splicing veneer, it is characterised in that: include the veneer that polylith is stitched together, the phase spliced mutually
Seam between adjacent two pieces of veneers is connected together by multiple spot melt viscosity；Also include that one layer is bonded on all veneer one side
Hot melt adhesive film.
Hot melt adhesive film compound splicing veneer the most according to claim 1, it is characterised in that: described veneer moves towards according to wood grain
Use horizontally-spliced or longitudinal spliced.
3. applying hot melt adhesive film compound splicing veneer as claimed in claim 1 or 2 to produce a production technology for plywood, it is special
Levy and be: comprise the following steps: (1) prepares edge-gluing veneer: utilize veneer splicing to go out edge-gluing veneer, edge-gluing veneer splices mutually
It is connected together by many point-like melt viscosity between adjacent two veneers, and cuts out consistent with produced plywood length and width specification
Edge-gluing veneer；(2) hot melt adhesive film compound splicing veneer is prepared: layer overlay hot melt adhesive film carry out hot pressing on edge-gluing veneer
Become hot melt adhesive film compound splicing veneer；(3) multi-plywood is prepared: be superimposed by multilamellar hot melt adhesive film compound splicing veneer
And make multi-plywood by plywood hot-pressing technique.
The production technology of plywood the most according to claim 3, it is characterised in that: hot melt adhesive film and splicing in step (2)
Hot pressing temperature between veneer is 100 ~ 160 DEG C, and pressure is 0.1 ~ 0.5MPa, and the time is 0.5 ~ 3 second；Plywood in step (3)
Hot press hot pressing temperature is 130 ~ 175 DEG C.
The production technology of plywood the most according to claim 3, it is characterised in that: the splicing of veneer in step (1)
It is: between the two pieces of veneers spliced mutually, first reserve the seam that width is 3 ~ 5mm, by two veneers after multiple spot PUR in seam points
Toward middle extruding, then to flattening and blow cooling at two veneer splicings.
The production technology of plywood the most according to claim 5, it is characterised in that: step (1) and step (2) they are at veneer
Carry out on splicing machine；Described veneer splicer includes conveyer belt apparatus, is positioned at the unreeling shaft that is provided above of conveyer belt apparatus, institute
Stating and be arranged with hot melt adhesive film reel on unreeling shaft, described conveyer belt apparatus is arranged above being positioned at unreeling shaft rear and by hot melt
Glued membrane and edge-gluing veneer carry out the heating platen of heat pressure adhesive, and conveyer belt apparatus is also arranged above being positioned at unreeling shaft front and spelling mutually
Carry out the pressing plate flattened at two veneer splicings connect, pressing plate has air blowing Cooling Holes；It is positioned at the upside leukorrhagia of conveyer belt apparatus
Side is provided with the gripper shoe matched respectively with heating platen and pressing plate.
The production technology of plywood the most according to claim 6, it is characterised in that: described heating platen bottom surface is coated with poly-four
Fluorothene high temperature cloth or be coated with teflon finish, described heating platen offers the air blowing of penetration heat pressing plate upper and lower side
Hole, described politef high temperature cloth offers the through hole corresponding with gas hole；Described gas hole upper end connects air inlet pipe,
Control valve is installed in air inlet pipe.
The production technology of plywood the most according to claim 3, it is characterised in that: in step (1), edge-gluing veneer is according to wood
It is horizontally-spliced or longitudinal spliced that stricture of vagina moves towards employing, uses horizontally-spliced hot melt adhesive film compound splicing veneer and indulge in step (3)
Hot melt adhesive film compound splicing veneer to splicing interlocks superposition, and in additive process, the hot melt adhesive film being positioned at top layer is combined
Edge-gluing veneer band hot melt adhesive film one faces down, and the edge-gluing veneer of remaining each layer is band hot melt adhesive film one and faces up.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837124.4A CN106272748B (en) | 2016-09-21 | 2016-09-21 | Hot melt adhesive film compound splicing veneer and the plywood production technology for applying it |
| PCT/CN2017/079108 WO2018054030A1 (en) | 2016-09-21 | 2017-03-31 | Single boards combined and bonded by hot-melt adhesive film and plywood manufacturing process employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610837124.4A CN106272748B (en) | 2016-09-21 | 2016-09-21 | Hot melt adhesive film compound splicing veneer and the plywood production technology for applying it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106272748A true CN106272748A (en) | 2017-01-04 |
| CN106272748B CN106272748B (en) | 2019-03-19 |
Family
ID=57712881
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610837124.4A Active CN106272748B (en) | 2016-09-21 | 2016-09-21 | Hot melt adhesive film compound splicing veneer and the plywood production technology for applying it |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106272748B (en) |
| WO (1) | WO2018054030A1 (en) |
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| CN106891396A (en) * | 2017-04-24 | 2017-06-27 | 福州翰扬环保科技有限公司 | It is a kind of to use the technique for producing little compressible glued board without aldehyde hot melt adhesive film |
| WO2018054030A1 (en) * | 2016-09-21 | 2018-03-29 | 福州翰扬环保科技有限公司 | Single boards combined and bonded by hot-melt adhesive film and plywood manufacturing process employing same |
| CN107984567A (en) * | 2017-11-30 | 2018-05-04 | 广西壮象木业有限公司 | A kind of Eucalyptus piece treatment process |
| CN109940720A (en) * | 2019-04-16 | 2019-06-28 | 山东昶兴智能科技有限公司 | A kind of full-automatic middle perpendicular spelling machine of the continuous toe joint of plate |
| CN110871478A (en) * | 2019-12-02 | 2020-03-10 | 怀化市祺鑫木业股份有限公司 | Make things convenient for plank stamping device of application solid glued membrane |
| CN112172308A (en) * | 2020-10-16 | 2021-01-05 | 安徽美高美高分子材料有限公司 | Bonding equipment of multilayer inferior gram force board |
| CN113733265A (en) * | 2021-07-26 | 2021-12-03 | 广西大学 | Wooden board splicing equipment |
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| CN114482439A (en) * | 2020-11-11 | 2022-05-13 | 中寓(上海)建筑科技有限公司 | Seamless spliced plate and splicing process thereof |
| CN112920719B (en) * | 2021-01-21 | 2022-10-04 | 邢台科亚特橡塑制品有限公司 | Rubber coiled material splicing device and splicing method thereof |
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| CN113733265A (en) * | 2021-07-26 | 2021-12-03 | 广西大学 | Wooden board splicing equipment |
Also Published As
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| CN106272748B (en) | 2019-03-19 |
| WO2018054030A1 (en) | 2018-03-29 |
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