CN116691094A - Edge-sealed aluminum honeycomb sandwich metal plate and preparation process thereof - Google Patents
Edge-sealed aluminum honeycomb sandwich metal plate and preparation process thereof Download PDFInfo
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- CN116691094A CN116691094A CN202310787082.8A CN202310787082A CN116691094A CN 116691094 A CN116691094 A CN 116691094A CN 202310787082 A CN202310787082 A CN 202310787082A CN 116691094 A CN116691094 A CN 116691094A
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- metal plate
- aluminum honeycomb
- edge
- honeycomb sandwich
- sandwich metal
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 115
- 239000002184 metal Substances 0.000 title claims abstract description 115
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 112
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 55
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 239000004831 Hot glue Substances 0.000 claims abstract description 26
- 239000000853 adhesive Substances 0.000 claims abstract description 26
- 230000001070 adhesive effect Effects 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 22
- 238000002347 injection Methods 0.000 claims abstract description 15
- 239000007924 injection Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims description 27
- 239000010959 steel Substances 0.000 claims description 27
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 25
- 229910052721 tungsten Inorganic materials 0.000 claims description 25
- 239000010937 tungsten Substances 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- 239000004814 polyurethane Substances 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000005553 drilling Methods 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 10
- 239000012943 hotmelt Substances 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229920006335 epoxy glue Polymers 0.000 claims description 3
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 239000004587 polysulfide sealant Substances 0.000 claims description 3
- QLZJUIZVJLSNDD-UHFFFAOYSA-N 2-(2-methylidenebutanoyloxy)ethyl 2-methylidenebutanoate Chemical compound CCC(=C)C(=O)OCCOC(=O)C(=C)CC QLZJUIZVJLSNDD-UHFFFAOYSA-N 0.000 claims description 2
- 239000005042 ethylene-ethyl acrylate Substances 0.000 claims description 2
- 229920006244 ethylene-ethyl acrylate Polymers 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- PGTXKIZLOWULDJ-UHFFFAOYSA-N [Mg].[Zn] Chemical compound [Mg].[Zn] PGTXKIZLOWULDJ-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/20—Furniture panels or like furniture elements
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- 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
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
-
- 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
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- 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
- B32B37/1284—Application of adhesive
- B32B37/1292—Application of adhesive selectively, e.g. in stripes, in patterns
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
- B32B7/14—Interconnection of layers using interposed adhesives or interposed materials with bonding properties applied in spaced arrangements, e.g. in stripes
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
- B32B2038/047—Perforating
-
- 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
- B32B2479/00—Furniture
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention belongs to the technical field of furniture plate processing, and particularly relates to an edge-sealed aluminum honeycomb sandwich metal plate and a preparation process thereof, wherein the preparation process comprises edge sealing of the aluminum honeycomb sandwich metal plate; when in edge sealing, firstly, hot melt adhesive is injected into the side edge of the aluminum honeycomb sandwich metal plate by adopting a hot melt adhesive machine, wherein the injection amount of the hot melt adhesive is equal to the space volume of the side edge of the aluminum honeycomb sandwich metal plate, and meanwhile, the hot melt adhesive is heated in the process of injecting the adhesive; and then injecting PUR glue and pasting the edge sealing strips. The preparation process solves the problem of low edge strength of the aluminum honeycomb sandwich metal plate, and improves the quality of products; meanwhile, the furniture plate with the integral consistent or mixed style can be obtained by designing the edge sealing strip, so that the design aesthetic feeling of the product is improved.
Description
Technical Field
The invention belongs to the technical field of furniture plate processing, and particularly relates to an edge-sealed aluminum honeycomb sandwich metal plate and a preparation process thereof.
Background
The aluminum honeycomb sandwich metal plate is a novel plate which is applied more in the field of furniture production in recent years, is formed by pressing a metal plate serving as a panel, a bottom plate and an aluminum honeycomb material serving as a core layer, has excellent performances of high strength, light weight and high flatness, and is an ideal material for manufacturing high-quality customized furniture.
The problem of 'edge part' is easy to ignore in the preparation process of the traditional furniture plate, on one hand, because the edge sealing is one of smaller branches in the traditional furniture production industry, people are not concerned for a long time, and related information is also less; on the other hand, people are concerned about the furniture unless the edge sealing of the furniture has problems, such as falling off, warping and the like, during the use of the furniture. Edge sealing technology of furniture materials can be traced to paper edge sealing at the earliest, and is not common at present; then edge banding is performed on the veneer, and the veneer is not commonly used due to the fact that the market capacity of the plate furniture is reduced in recent years.
For the aluminum honeycomb sandwich metal plate, the exposed area at the edge part of the aluminum honeycomb sandwich metal plate has the flat structure of the panel and the bottom plate and the uneven structure of the aluminum honeycomb, the edge sealing is particularly important, and the aluminum honeycomb sandwich metal plate is an indispensable ring in the preparation process of the aluminum honeycomb sandwich metal plate, so that the strength of the aluminum honeycomb sandwich metal plate can be improved, and the aesthetic feeling of the aluminum honeycomb sandwich metal plate can be improved, so that the edge sealing bears the dual functions of quality and aesthetic feeling.
At present, two methods are commonly adopted for edge sealing of metal furniture plates, firstly, the metal plate is removed and bent, the edge sealing product obtained by the method is low in attractiveness, gaps are formed at the edges of the edge sealing product and cannot be closed seamlessly, sharp corners are easy to occur at external corners of the metal plates, other objects can be scratched, circular corner protectors can be additionally arranged to avoid the sharp corners, and after the circular corner protectors are additionally arranged, the product is not coordinated; the second method is to adopt welding, polishing and spraying methods, firstly, carrying out metal plate welding treatment on metal plates, then polishing, and finally spraying and coloring.
In addition to the "edge" problem, there are some problems in the process of pressing the metal plate and the aluminum honeycomb material into a sandwich plate, cutting the large plate into small plates, and the like in the process of preparing the aluminum honeycomb sandwich metal plate. For example, in chinese patent application CN105172280a (skin honeycomb sandwich panel and its preparation method), a preparation method of skin honeycomb sandwich panel is disclosed, firstly, an adhesive is roll-coated on the surface of the honeycomb sandwich panel, and after pre-bonding with the skin, the sandwich panel is obtained by compounding the skin in a heating and solidifying manner, however, the method is to glue the surface of the honeycomb sandwich panel and then adhere, the honeycomb sandwich panel is in a honeycomb structure, the requirement on the glue-coating process is high, and meanwhile, the method also does not involve the process of cutting the panel.
Therefore, a new preparation process of the aluminum honeycomb sandwich metal plate needs to be developed to obtain the aluminum honeycomb sandwich metal plate with proper size and high edge quality so as to meet the actual use requirements.
Disclosure of Invention
The invention aims to provide an edge-sealed aluminum honeycomb sandwich metal plate and a preparation process thereof, which are used for solving the technical problems in the background art.
In order to achieve the above purpose, the invention discloses a preparation process of an aluminum honeycomb sandwich metal plate, which comprises the steps of edge sealing the aluminum honeycomb sandwich metal plate; when in edge sealing, firstly, hot melt adhesive is injected into the side edge of the aluminum honeycomb sandwich metal plate by adopting a hot melt adhesive machine, and then edge sealing strips are adhered;
the glue injection amount is equal to the space volume of the side edge of the aluminum honeycomb sandwich metal plate, and meanwhile, in the glue injection process, the hot melt glue is continuously heated, and the heating temperature can be selected according to the type of the hot melt glue.
And when the edge sealing strips are adhered, PUR glue is injected to the side edges of the aluminum honeycomb sandwich metal plate. The PUR adhesive is positioned outside the hot melt adhesive and is used for adhering the edge sealing strip.
The hot melt adhesive has the functions of filling aluminum honeycomb holes and improving the edge strength of the aluminum honeycomb sandwich metal plate, and can be used as an adhesive bridge to be adhered with PUR adhesive so as to firmly adhere the edge sealing strip to the edge of the aluminum honeycomb sandwich metal plate.
Further, the hot melt adhesive comprises any one or a mixture of more than one of polyurethane adhesive, epoxy resin adhesive, ethylene-vinyl acetate copolymer adhesive, ethylene-ethyl acrylate adhesive, ethylene-acrylic acid copolymer adhesive and polyamide adhesive.
Further, before edge sealing, firstly coating cold-pressing glue on the surface of the metal plate, then placing an aluminum honeycomb material, and carrying out cold-pressing solidification to obtain the aluminum honeycomb sandwich metal plate.
Further, the aluminum honeycomb sandwich metal plate is cut and carved to obtain the aluminum honeycomb sandwich metal plate with proper size, and then edge sealing is carried out.
Further, the cold-pressed glue comprises any one of a bi-component polyurethane glue, a bi-component epoxy glue, a bi-component polysulfide sealant and a bi-component acrylic glue.
Further, in the cutting and engraving process, a tungsten steel drill is used for cutting and engraving, and the rotating speed of the tungsten steel drill is 5000-9000rpm.
Furthermore, before injecting the hot melt adhesive, the edge of the aluminum honeycomb sandwich metal plate is pre-milled by adopting a tungsten steel drill bit.
Further, after edge banding, the aluminum honeycomb sandwich metal plate is drilled.
Furthermore, six-face drill is adopted for drilling, a tungsten steel drill bit is adopted for drilling, and the rotating speed of the tungsten steel drill bit is 5000-9000rpm.
The invention also claims an edge sealing aluminum honeycomb sandwich metal plate which is prepared by adopting the preparation process and comprises aluminum honeycomb materials positioned on the sandwich layer, metal plates positioned on two sides of the sandwich layer and edge sealing strips positioned on the side edges of the aluminum honeycomb sandwich metal plate. The metal plate and the aluminum honeycomb material, and the aluminum honeycomb sandwich metal plate and the edge sealing strip are bonded through glue.
Compared with the prior art, the edge-sealed aluminum honeycomb sandwich metal plate and the preparation process thereof have the following advantages:
(1) The special edge sealing technology is adopted, the glue injection amount is set in the glue injection process, and the hot melt glue is continuously heated in the glue injection process, so that the edge sealing strip is firmly adhered to the side edge of the aluminum honeycomb sandwich metal plate, the problem of low edge strength of the aluminum honeycomb sandwich metal plate is solved, and the quality of a product is improved.
(2) According to the invention, the color, the structure and the like of the edge sealing strip can be designed, so that not only furniture boards with the same and natural edges and faces can be obtained, but also furniture boards with the mixed edges and faces can be obtained, and the design aesthetic feeling of the furniture boards is improved.
(3) According to the invention, when the aluminum honeycomb sandwich metal plate before edge sealing is cut, engraved and pre-milled, and the aluminum honeycomb sandwich metal plate after edge sealing is drilled, tungsten steel drills are selected for processing, and the rotation speed of the drills is set, so that edge burrs are avoided, indentation is avoided, and the product quality is further improved.
Drawings
Fig. 1: the structure schematic diagram of the edge-sealed aluminum honeycomb sandwich metal plate is obtained.
Detailed Description
The following describes the technical scheme of the invention in detail through a specific embodiment and is combined with the accompanying figure 1.
The preparation process of the edge-sealed aluminum honeycomb sandwich metal plate comprises the following steps:
1. preparing and cutting carving the aluminum honeycomb sandwich metal plate:
(1) Preparing raw materials: a metal plate, preferably an aluminized magnesium zinc plate; aluminum honeycomb material; the cold-pressed glue can be selected from any one of a bi-component polyurethane glue, a bi-component epoxy glue, a bi-component polysulfide sealant and a bi-component acrylic glue, and the bi-component polyurethane glue is preferred.
(2) Unreeling and cutting a metal plate: and unreeling the whole roll of metal plate into a cutting machine for cutting.
(3) Gluing: after cold-pressed glue is uniformly mixed according to a proper proportion in advance, glue is coated on the surface of the cut metal plate by using a glue coater, and when the glue is coated, a glue coating track of a glue coating head is set, and glue is coated in a crossed manner, so that the shape of the coated glue is approximately the same as that of the edge of the aluminum honeycomb material.
(4) Cold press curing: placing aluminum honeycomb material on the surface of the glued metal plate, placing another glued metal plate on the other side of the aluminum honeycomb material, pressing the metal plate for 6-7h at room temperature in a cold press, and solidifying the cold-pressed glue to obtain the aluminum honeycomb sandwich metal plate.
When cold pressing and solidifying, cold pressing glue flows into the aluminum honeycomb material due to the pressure of the cold pressing machine, so that the bonding area between the metal plate and the aluminum honeycomb material is increased, and the bonding firmness is ensured.
(5) Cutting and carving: the aluminum honeycomb sandwich metal plate is placed in an engraving machine, a tungsten steel drill is selected for cutting and engraving, the rotating speed of the drill is 5000-9000rpm, the moving track of the drill is designed in advance by utilizing a software program, and the aluminum honeycomb sandwich metal plate with small blocks meeting the size requirement can be obtained by cutting.
In the cutting and engraving process, the nitrogen cooling device is used for cooling the tungsten steel drill, so that overheating of the drill during cutting and engraving can be avoided, and the service life of the tungsten steel drill is prolonged.
The tungsten steel drill bit is selected because: for the high-hardness material of the aluminum honeycomb sandwich metal plate, a common steel drill bit cannot be penetrated, or more burrs are formed at the edge of the plate even after the drill bit is penetrated, so that the quality of the aluminum honeycomb sandwich metal plate can be reduced.
2. Edge sealing and drilling of aluminum honeycomb sandwich metal plate:
(1) Pre-milling: the aluminum honeycomb sandwich metal plate which is formed by cutting and carving and has the size meeting the requirements is placed into an edge banding machine for edge banding, pre-milling is carried out before edge banding, and a tungsten steel drill bit is adopted for pre-milling and chamfering the aluminum honeycomb sandwich metal plate, so that burrs are avoided, the edge of a product is smoother and plump, and the aesthetic feeling can be improved.
(2) And (3) glue injection: firstly, injecting hot melt adhesive (wherein the hot melt adhesive comprises any one or a mixture of a polyurethane adhesive, an epoxy resin adhesive, an ethylene vinyl acetate adhesive, an ethylene acrylic acid copolymer adhesive and a polyamide adhesive) into the side edge of the pre-milled aluminum honeycomb sandwich metal plate by adopting a hot melt adhesive machine, and ensuring that the adhesive injection amount is equal to the space volume of the side edge of the aluminum honeycomb sandwich metal plate when the adhesive is injected, so that the hot melt adhesive completely fills the side edge pores of the aluminum honeycomb sandwich metal plate, and the adhesive injection is full and does not overflow;
meanwhile, in the glue injection process, a heat preservation heating mechanism is required to continuously heat the hot melt glue, the heating temperature is selected according to the type of the hot melt glue, and the hot melt glue can be prevented from being cooled and solidified in advance.
And then injecting PUR glue at the side edge of the aluminum honeycomb sandwich metal plate.
(3) Sticking edge sealing strips: and then sticking edge banding strips on the side edges of the aluminum honeycomb sandwich metal plate, wherein the edge banding strips can be plastic edge banding strips, such as PVC edge banding strips, ABS edge banding strips and the like, and ABS edge banding strips are preferred.
(4) Drilling: drilling holes on the edge-sealed aluminum honeycomb sandwich metal plate by adopting six-face drills, wherein a tungsten steel drill bit is adopted during drilling, and the rotating speed of the tungsten steel drill bit is limited to 5000-9000rpm;
and a tungsten steel drill bit is selected for drilling, and a reserved mounting hole without burrs and obvious indentations can be obtained on the aluminum honeycomb sandwich metal plate after edge sealing, so that the assembly of subsequent processes is facilitated, and corresponding furniture products are obtained.
As shown in fig. 1, the structural schematic diagram of the finally obtained edge-sealed aluminum honeycomb sandwich metal plate comprises an aluminum honeycomb material positioned on the sandwich layer, metal plates positioned on two sides of the sandwich layer, and edge sealing strips positioned on the sides of the aluminum honeycomb sandwich metal plate. And bonding the metal plate and the aluminum honeycomb material by cold-pressing glue, and bonding the edge banding strip and the side edge of the aluminum honeycomb sandwich metal plate by hot-melting glue.
Example 1
The method for preparing the edge-sealed aluminum honeycomb sandwich metal plate comprises the following specific steps:
(1) Cutting the whole roll of aluminum-plated magnesium-zinc plate into sheets with proper sizes in a cutting machine for standby; meanwhile, the double-component polyurethane adhesive is selected, and the component A and the component B are uniformly mixed according to the recommended proportion of manufacturers for standby.
(2) And adding the uniformly mixed double-component polyurethane glue into a glue spreader, coating the glue on the surface of the cut aluminum-plated magnesium-zinc plate sheet, setting a glue spreading track of a glue spreading head, and cross-gluing to ensure that the shape of the coated glue is approximately the same as that of the edge of the aluminum honeycomb material.
(3) Then placing aluminum honeycomb materials between the two glued aluminum-plated magnesium-zinc plates, and placing the aluminum honeycomb materials in a cold press to press for 6-7 hours at room temperature, and solidifying polyurethane glue to obtain the aluminum honeycomb sandwich metal plate.
(4) And (3) placing the aluminum honeycomb sandwich metal plate in an engraving machine, cutting and engraving by using a tungsten steel drill bit, limiting the rotating speed of the tungsten steel drill bit to 5000-9000rpm, and cutting to obtain small aluminum honeycomb sandwich metal plates with the size meeting the requirements. In the cutting and engraving process, a nitrogen cooling device is adopted to cool the tungsten steel drill bit.
(5) And (3) pre-milling the cut and carved aluminum honeycomb sandwich metal plate in an edge banding machine, and pre-milling by adopting a tungsten steel drill bit, so that burrs can be avoided, and a product with smooth and full edges is obtained.
When the edge is sealed by the pre-milled aluminum honeycomb sandwich metal plate, firstly, epoxy resin hot melt adhesive is selected, the hot melt adhesive is added into a hot melt adhesive machine, the hot melt adhesive is heated by the hot melt adhesive machine to be melted into liquid, the temperature of the hot melt adhesive is controlled to be between 130 and 180 ℃ in the heating process, the side edge of the aluminum honeycomb sandwich metal plate is injected, the injection quantity of the hot melt adhesive is set during the injection, and the full injection of the hot melt adhesive is ensured without glue overflow;
and then injecting PUR glue on the side edge of the aluminum honeycomb sandwich metal plate, and finally attaching an ABS edge banding.
(6) And (3) drilling holes on the edge-sealed aluminum honeycomb sandwich metal plate by adopting six-face drills, wherein a tungsten steel drill bit is adopted during drilling, the rotating speed of the tungsten steel drill bit is limited to 5000-9000rpm, and reserved mounting holes are formed in the edge-sealed aluminum honeycomb sandwich metal plate, so that the edge-sealed aluminum honeycomb sandwich metal plate is obtained.
The edge sealing aluminum honeycomb sandwich metal plate obtained by the method solves the defects of metal steel furniture plates obtained by the traditional processing technology, can ensure the overall consistency of the furniture plates, can enable the edge design of the furniture plates to have two completely different directions, firstly selects edge sealing strips with the same color as the face structure, realizes the perfect consistency of the edge and the face, looks as if the edge sealing strips are natural, and the thinking guides the edge sealing design mode to approach to the more and more 'real' direction; secondly, the edge is taken as an independent element to think, and the edge banding with special shape or color is selected, so that the edge banding can be mixed with the face, or the design sense of the edge banding can be displayed through the special shape of the edge banding, thereby realizing the dual functions of high quality and aesthetic feeling.
The above description is only of the preferred embodiments of the present invention, and is not intended to limit the invention, but any modifications, equivalent substitutions, improvements, etc. within the design concept of the present invention should be included in the scope of the present invention.
Claims (10)
1. A preparation process of an edge-sealed aluminum honeycomb sandwich metal plate is characterized by comprising the following steps of: comprises edge sealing of an aluminum honeycomb sandwich metal plate; when in edge sealing, firstly, hot melt adhesive is injected into the side edge of the aluminum honeycomb sandwich metal plate by adopting a hot melt adhesive machine, and then edge sealing strips are adhered;
the glue injection amount is equal to the space volume of the side edge of the aluminum honeycomb sandwich metal plate, and meanwhile, the hot melt glue is continuously heated in the glue injection process;
and when the edge sealing strips are adhered, PUR glue is injected to the side edges of the aluminum honeycomb sandwich metal plate.
2. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate according to claim 1, which is characterized in that: the hot melt adhesive comprises any one or a mixture of more than one of polyurethane adhesive, epoxy resin adhesive, ethylene-vinyl acetate copolymer adhesive, ethylene-ethyl acrylate adhesive, ethylene-acrylic acid copolymer adhesive and polyamide adhesive.
3. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate according to claim 1, which is characterized in that: before edge sealing, firstly coating cold-pressed glue on the surface of a metal plate, then placing an aluminum honeycomb material, and carrying out cold-pressing solidification to obtain the aluminum honeycomb sandwich metal plate.
4. A process for preparing an edge-sealed aluminum honeycomb sandwich metal plate as claimed in claim 3, wherein: and cutting and engraving the aluminum honeycomb sandwich metal plate to obtain the aluminum honeycomb sandwich metal plate with proper size, and then sealing edges.
5. A process for preparing an edge-sealed aluminum honeycomb sandwich metal plate as claimed in claim 3, wherein: the cold-pressed glue comprises any one of a bi-component polyurethane glue, a bi-component epoxy glue, a bi-component polysulfide sealant and a bi-component acrylic glue.
6. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate as claimed in claim 4, wherein the process comprises the following steps of: in the cutting and engraving process, a tungsten steel drill is used for cutting and engraving, and the rotating speed of the tungsten steel drill is 5000-9000rpm.
7. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate according to claim 1, which is characterized in that: and before injecting the hot melt adhesive, pre-milling the edge of the aluminum honeycomb sandwich metal plate by adopting a tungsten steel drill bit.
8. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate according to claim 1, which is characterized in that: after edge banding, the aluminum honeycomb sandwich metal panel is drilled.
9. The process for preparing the edge-sealed aluminum honeycomb sandwich metal plate according to claim 8, which is characterized in that: and adopting six-face drill to drill, wherein a tungsten steel drill bit is adopted during drilling, and the rotating speed of the tungsten steel drill bit is 5000-9000rpm.
10. An edge-sealed aluminum honeycomb sandwich metal plate prepared by the preparation process as claimed in any one of claims 1 to 9, which is characterized in that: comprises an aluminum honeycomb material positioned on the sandwich layer, metal plates positioned on two sides of the sandwich layer, and edge sealing strips positioned on the side edges of the aluminum honeycomb sandwich metal plates.
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| CN202310787082.8A CN116691094A (en) | 2023-06-30 | 2023-06-30 | Edge-sealed aluminum honeycomb sandwich metal plate and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359237A (en) * | 2023-12-05 | 2024-01-09 | 苏州镓祥新材料科技有限公司 | Aluminium honeycomb presss from both sides core metal sheet banding equipment |
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2023
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117359237A (en) * | 2023-12-05 | 2024-01-09 | 苏州镓祥新材料科技有限公司 | Aluminium honeycomb presss from both sides core metal sheet banding equipment |
| CN117359237B (en) * | 2023-12-05 | 2024-03-08 | 苏州镓祥新材料科技有限公司 | Aluminium honeycomb presss from both sides core metal sheet banding equipment |
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