CN107511552A - A kind of cellular board and its processing method - Google Patents
A kind of cellular board and its processing method Download PDFInfo
- Publication number
- CN107511552A CN107511552A CN201710993952.1A CN201710993952A CN107511552A CN 107511552 A CN107511552 A CN 107511552A CN 201710993952 A CN201710993952 A CN 201710993952A CN 107511552 A CN107511552 A CN 107511552A
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- China
- Prior art keywords
- segment
- parallel
- cellular board
- honeycomb core
- core plate
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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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/008—Soldering within a furnace
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K1/00—Soldering, e.g. brazing, or unsoldering
- B23K1/0008—Soldering, e.g. brazing, or unsoldering specially adapted for particular articles or work
- B23K1/0014—Brazing of honeycomb sandwich structures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of cellular board, including bottom plate, panel and the honeycomb core plate being arranged between the bottom plate and the panel, the honeycomb core plate is aluminium sheet, and is soldering connection between the honeycomb core plate and the bottom plate, the panel.Improved based on gluing aluminum honeycomb panel, traditional adhesive structure is replaced with soldering, not only the bonding strength of cellular board is big, and gluing cellular board is effectively evaded and has met water failure, peels off the shortcomings that coming off, and due to simple metal structure during later product application, high temperature resistant, can secondary welding, shaping, there is good sound-insulating and heat-insulating effect.
Description
Technical field
The present invention relates to cellular board technical field, and in particular to a kind of cellular board and its processing method.
Background technology
Aluminum honeycomb panel is due to anti-high blast, damping, the premium properties such as sound insulation, insulation, fire-retardant and specific strength are high, gradually
Applied to fields such as civil buildings, car and boat decorations, particularly, because its light intensity is big, thus obtained extensively in track traffic
General application.
Domestic common aluminum honeycomb panel is adhesive structure at present, and main processing mode is in upper and lower surface of aluminum plate coating adhesive
Water, centre is honeycomb sandwich layer, recycles cold pressing or is hot pressed into honeycomb board, but use glue bonding, not only in chance water or
The failure for easily occurring glue under extreme weather causes intensity not ensure, moreover, when meeting fire, glue easily discharges toxic gas,
Under closed environment, the injures and deaths of personnel are easily caused, in addition, the service life of glue is limited.
The defects of existing in view of above-mentioned existing cellular board, the present inventor are based on being engaged in such product design manufacture for many years
Abundant practical experience and professional knowledge, and coordinate the utilization of scientific principle, actively it is subject to research and innovation, to found a kind of cellular board
And its processing method, it is had more practicality.By constantly research, design, and after studying sample repeatedly and improving, eventually
In creating the present invention that has practical value.
The content of the invention
It is a primary object of the present invention to, the defects of overcoming existing cellular board to exist, and one kind is provided and uses soldering generation
For the cellular board and its processing method of glue adhesion, thus more suitable for practicality, and with the value in industry.
The object of the invention to solve the technical problems is realized using following technical scheme.
A kind of cellular board, including bottom plate, panel and the honeycomb core plate being arranged between the bottom plate and the panel, institute
It is aluminium sheet to state honeycomb core plate, and the honeycomb core plate and the bottom plate, two ends of the plate contact are respectively arranged with the
One kink and the second kink, and first kink and second kink hang down with the honeycomb core plate main body respectively
Directly;
It is provided with wlding layer between the honeycomb core plate and the bottom plate, the panel, and the honeycomb core plate and the bottom plate,
It is soldering connection between the panel.
As a kind of perferred technical scheme, first kink and the second kink surface are through sandblasting, brush sand
Or frosted processing.
As a kind of perferred technical scheme, the wlding layer surface is provided with non-corrosiveness brazing flux.
The length of first kink and second kink is the 1/10-1/8 of the honeycomb core plate principal length.
A kind of processing method of cellular board, comprises the following steps:
Step 1, prepare aluminium needed for honeycomb core plate;
Step 2, honeycomb core plate prepared using the aluminium made from the step 1;
Step 3, the surface coating wlding in the contact of bottom plate, panel and the honeycomb core plate, and consolidated with high temperature resistant fixture
It is fixed;
Step 4, the cellular board being molded using carrier gas protection formula continuous tunnel furnace to the step 3 carry out soldering processing, obtain finished product honeybee
Nest plate.
As a kind of perferred technical scheme, in the step 1, two ends of the aluminium are subjected to bending process,
Form the first kink and the second kink, and first kink and second kink respectively with the aluminium main body
Vertically.
As a kind of perferred technical scheme, in the step 1, to first kink and the second kink table
Face carries out sandblasting, brush sand or frosted processing, first kink and the second kink surface is formed rough surface.
As a kind of perferred technical scheme, in the step 2, the aluminium made from the step 1 is prepared into curved
Shape core is rolled over, wherein,
The bending core includes the first parallel-segment, the second parallel-segment and the 3rd parallel-segment, the connection described the being parallel to each other
First bending segment of one parallel-segment and second parallel-segment, connect second parallel-segment and the 3rd parallel-segment second
Bending segment, wherein be in 120 degree of angles respectively between first bending segment and first parallel-segment and second parallel-segment, institute
State between the second bending segment and second parallel-segment and the 3rd parallel-segment is in 120 degree of angles respectively;
The honeycomb core plate is welded by multiple bending cores.
As a kind of perferred technical scheme, in the step 3, coated after coating the wlding at non-corrosiveness brazing flux
Reason.
As a kind of perferred technical scheme, temperature control exists in the protection of carrier gas described in the step 4 formula continuous tunnel furnace
Between 400-650 DEG C.
As a kind of perferred technical scheme, the protection of carrier gas described in the step 4 formula continuous tunnel furnace is atmosphere of static nitrogen air-flow
Continuous tunnel stove, wherein nitrogen carry out the supply of nitrogen using liquid nitrogen storage tank.
As a kind of perferred technical scheme, dew point≤- 40 DEG C of the carrier gas protection formula continuous tunnel furnace, oxygen content
≤100ppm。
As a kind of perferred technical scheme, the entrance location of the carrier gas protection formula continuous tunnel furnace has forced convertion heating
Area, outlet are provided with forced convertion cooling system.
Using above-mentioned technical proposal, following technique effect can be realized:
1), the present invention improved based on gluing aluminum honeycomb panel, traditional adhesive structure is replaced with soldering, not only cellular board
Bonding strength it is big, and effectively evaded gluing cellular board and met water failure, peel off the shortcomings that coming off, and when later product is applied
Due to simple metal structure, high temperature resistant, can secondary welding, shaping, there is good sound-insulating and heat-insulating effect, chance fire, which will not discharge, to be had
Poisonous gas, the more gluing honeycomb plate structure length of service life, and environmentally friendly, recyclable secondary use;
2), honeycomb core plate both ends kink design add brazing area, the surface treatment of kink causes its surface not only
Impurity is few, clean and easily contacted with wlding, and coarse lines is advantageous to the adhesive force between increase and wlding and is advantageous to borrow
Capillarity is helped to suck wlding between the gap full of honeycomb core plate and bottom plate or face;
3), first fixed using high temperature resistant fixture, be advantageous to increase the yield rate of finished product, reduce error;
4), using carrier gas protect formula continuous tunnel furnace, can weld complexity assembly parts joint.Atmosphere of static nitrogen air-flow continuous tunnel stove
(CAB) nitrogen in liquid nitrogen storage tank is used, furnace atmosphere can be maintained:Dew point≤- 40 DEG C, oxygen≤100ppm(0.01%), to obtain
Obtain soldered fitting well.A type of CAB continuous tunnels stove, burner hearth can be by the extensions of soldering oven to more than 25 meters.
Soldering oven has a forced convertion heating zone in the entrance location of burner hearth, can provide a quick and uniform preheating, to be brazed
Part be delivered to by the stainless (steel) wire band driven by variable speed drive in burner hearth, set in the end outlet of soldering oven strong
System is quickly cooled down, quick cooling is advantageous to the refinement of brazing filler metal alloy structure in brazed seam, so as to strengthen pricker to flow cooling system
The various mechanical properties of seam.
Brief description of the drawings
Fig. 1 is the structural representation of cellular board in the present invention;
Fig. 2 is Fig. 1 top view, is sectional view wherein at A;
Fig. 3 is two kinds of structural representations of honeycomb core plate in the present invention;
Fig. 4 is the connection diagram of honeycomb core plate and panel in the present invention;
Fig. 5 is the structural representation of bending core in the present invention;
Fig. 6 is honeycomb core plate top view in the present invention;
Wherein, 1- panels, 2- honeycomb core plates, the kinks of 21- first, the kinks of 22- second, 23- honeycomb core plate main bodys, 3- bottoms
Plate, 4- wldings, 5- bending cores, the parallel-segments of 51- first, the bending segments of 52- first, the parallel-segments of 53- second, 54- second are bent
Section, the parallel-segments of 55- the 3rd.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, to foundation
Cellular board proposed by the present invention and its processing method its embodiment, feature and its effect, are described in detail as after.
As shown in figure 1, the invention discloses a kind of cellular board, including bottom plate 3, panel 1 and it is arranged on bottom plate 3 and panel
Honeycomb core plate 2 between 1, honeycomb core plate 2 is aluminium sheet, and two ends that honeycomb core plate 2 contacts with bottom plate 3, panel 1 are set respectively
Be equipped with the first kink 21 and the second kink 22, and the first kink 21 and the second kink 22 respectively with honeycomb core plate main body
23 is vertical.As shown in figure 3, honeycomb core plate 2 has at two kinds of specific structures, including the first kink 21 and the second kink 22
The not homonymy of honeycomb core plate main body 23 is in the homonymy of honeycomb core plate main body 23 and the first kink 21 and the second kink 22
Two kinds.
Wlding layer is provided between honeycomb core plate 2 and bottom plate 3, panel 1, and is between honeycomb core plate 2 and bottom plate 3, panel 1
Soldering connection.
As a kind of perferred technical scheme, the first kink 21 and the surface of the second kink 22 are through sandblasting, brush sand or mill
Sand processing.The surface treated surface of first kink, 21 and second kink 22 forms rough surface.As shown in figure 4, table
There is on the coarse kink surface in face many raised and depression, wlding 4 the recessed of kink surface is carried out easily under capillarity
In falling into and full of between honeycomb core plate 2 and the gap of bottom plate 3 or panel 1, the wlding 4 after melting mutually expands with bottom plate 3 or panel 1
Dissolving is dissipated, soldered fitting is formed after condensation, adds joint face between the two so as to increase bonding strength, this is designed in addition
Avoid the occurrence of wlding 4 and add height error between bottom plate 3 and panel 1, so as to influence integrally-built stability.
As a kind of perferred technical scheme, wlding layer surface is provided with non-corrosiveness brazing flux, and brazing flux can remove wlding 4
With the oxide between bottom plate 3, panel 1, and protect bottom plate 3, panel 1 and wlding 4 in brazing process from oxidation, improve weldering
Wetability of the material 4 to bottom plate 3, panel 1.
The length of first kink 21 and the second kink 22 is the 1/10-1/8 of the length of honeycomb core plate main body 23, long
Waste of materials is bent, and consumes wlding 4, too short kink does not reach preferably effect.
In addition, the invention also discloses a kind of processing method of cellular board, comprise the following steps:
Step 1, prepare aluminium needed for honeycomb core plate 2;
Step 2, honeycomb core plate 2 prepared using aluminium made from step 1;
Step 3, the surface coating wlding 4 in the contact of bottom plate 3, panel 1 and honeycomb core plate 2, and consolidated with high temperature resistant fixture
It is fixed;
Step 4, the cellular board being molded using carrier gas protection formula continuous tunnel furnace to step 3 carry out soldering processing, obtain finished product cellular board.
As a kind of perferred technical scheme, in step 1, two ends of aluminium is subjected to bending process, form first
The kink 22 of kink 21 and second, and the first kink 21 and the second kink 22 respectively with aluminium body normal.
As a kind of perferred technical scheme, in step 1, the first kink 21 and the surface of the second kink 22 are sprayed
Sand, brush sand or frosted processing, make the first kink 21 and the surface of the second kink 22 form rough surface.
As a kind of perferred technical scheme, in step 2, aluminium made from step 1 is prepared into core 5 into a bent shape, its
In,
Bending core 5 includes the first parallel-segment 51, the second parallel-segment 53 and the 3rd parallel-segment 55, the connection first being parallel to each other
First bending segment 52 of the parallel-segment 53 of parallel-segment 51 and second, the second bending for connecting the second parallel-segment 53 and the 3rd parallel-segment 55
Section 54, wherein be in 120 degree of angles respectively between the first bending segment 52 and the first parallel-segment 51 and the second parallel-segment 53, the second bending segment
54 and second be in 120 degree of angles respectively between parallel-segment 53 and the 3rd parallel-segment 55;
As shown in fig. 6, honeycomb core plate 2 is welded by multiple bending cores 5, connected between parallel-segment by the way of welding
Connect, so as to form cellular honeycomb core plate 2.
As a kind of perferred technical scheme, in step 3, the processing of non-corrosiveness brazing flux is coated after coating wlding 4.
As a kind of perferred technical scheme, in step 4 carrier gas protection formula continuous tunnel furnace in temperature control 400-650 DEG C it
Between, make to form solder joint connection between bottom plate 3, panel 1 and honeycomb core plate 2.
As a kind of perferred technical scheme, carrier gas protection formula continuous tunnel furnace is atmosphere of static nitrogen air-flow continuous tunnel in step 4
Stove, wherein nitrogen carry out the supply of nitrogen using liquid nitrogen storage tank, can maintain to be in protective atmosphere state in stove all the time.
As a kind of perferred technical scheme, dew point≤- 40 DEG C of carrier gas protection formula continuous tunnel furnace, oxygen content≤
100ppm, good soldered fitting can be obtained.
As a kind of perferred technical scheme, the entrance location of carrier gas protection formula continuous tunnel furnace has forced convertion heating zone, energy
A quick and uniform preheating is provided, outlet is provided with forced convertion cooling system, can quickly cooled down, quick cooling
Be advantageous to the refinement of brazing filler metal alloy structure in brazed seam, so as to strengthen the various mechanical properties of brazed seam.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, the technical spirit according to the present invention
Any simple modification, equivalent change and modification made to above example, in the range of still falling within technical solution of the present invention.
Claims (9)
1. a kind of cellular board, including bottom plate(3), panel(1)And it is arranged on the bottom plate(3)With the panel(1)Between
Honeycomb core plate(2), it is characterised in that the honeycomb core plate(2)For aluminium sheet;
The honeycomb core plate(2)With the bottom plate(3), the panel(1)Between be respectively arranged with wlding layer, and the honeycomb core
Plate(2)With the bottom plate(3), the panel(1)Between be soldering connection.
2. cellular board according to claim 1, it is characterised in that the wlding layer surface is provided with non-corrosiveness brazing flux.
3. a kind of processing method of cellular board, it is characterised in that comprise the following steps:
Step 1, prepare honeycomb core plate(2)Required aluminium;
Step 2, honeycomb core plate prepared using the aluminium made from the step 1(2);
Step 3, in bottom plate(3), panel(1)And the honeycomb core plate(2)The surface coating wlding of contact(4), and with resistance to height
Warm fixture is fixed;
Step 4, the cellular board being molded using carrier gas protection formula continuous tunnel furnace to the step 3 carry out soldering processing, obtain finished product honeybee
Nest plate.
4. the processing method of cellular board according to claim 3, it is characterised in that in the step 2, by the step 1
The obtained aluminium prepares core into a bent shape(5), wherein,
The bending core(5)Including the first parallel-segment being parallel to each other(51), the second parallel-segment(53)With the 3rd parallel-segment
(55), connection first parallel-segment(51)With second parallel-segment(53)The first bending segment(52), connection described second
Parallel-segment(53)With the 3rd parallel-segment(55)The second bending segment(54), wherein first bending segment(52)With described
One parallel-segment(51)With second parallel-segment(53)Between be in 120 degree of angles respectively, second bending segment(54)With described
Two parallel-segments(53)With the 3rd parallel-segment(55)Between be in 120 degree of angles respectively;
The honeycomb core plate(2)By multiple bending cores(5)It is welded.
5. the processing method of cellular board according to claim 3, it is characterised in that in the step 3, coat the weldering
Material(4)Non-corrosiveness brazing flux is coated afterwards.
6. the processing method of cellular board according to claim 3, it is characterised in that carrier gas described in the step 4 is protected
Temperature control is between 400-650 DEG C in formula continuous tunnel furnace.
7. the processing method of cellular board according to claim 3, it is characterised in that carrier gas described in the step 4 is protected
Formula continuous tunnel furnace is atmosphere of static nitrogen air-flow continuous tunnel stove, and wherein nitrogen carries out the supply of nitrogen using liquid nitrogen storage tank.
8. the processing method of cellular board according to claim 3, it is characterised in that the institute of the carrier gas protection formula continuous tunnel furnace
State dew point≤- 40 DEG C, oxygen content≤100ppm.
9. the processing method of cellular board according to claim 3, it is characterised in that the carrier gas protection formula continuous tunnel furnace enters
There is forced convertion heating zone mouth position, and outlet is provided with forced convertion cooling system.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108529030A (en) * | 2018-06-15 | 2018-09-14 | 江苏龙禾轻型材料有限公司 | Connect floating plate in liquid welded type entirely |
CN111230243A (en) * | 2020-01-22 | 2020-06-05 | 中机智能装备创新研究院(宁波)有限公司 | Aluminum alloy honeycomb plate brazing method |
CN111250857A (en) * | 2020-03-26 | 2020-06-09 | 郑州机械研究所有限公司 | Diffusion bonding agent for brazing aluminum alloy honeycomb plate and diffusion brazing method |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108529030A (en) * | 2018-06-15 | 2018-09-14 | 江苏龙禾轻型材料有限公司 | Connect floating plate in liquid welded type entirely |
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CN111230243A (en) * | 2020-01-22 | 2020-06-05 | 中机智能装备创新研究院(宁波)有限公司 | Aluminum alloy honeycomb plate brazing method |
CN111230243B (en) * | 2020-01-22 | 2022-02-18 | 中机智能装备创新研究院(宁波)有限公司 | Aluminum alloy honeycomb plate brazing method |
CN111250857A (en) * | 2020-03-26 | 2020-06-09 | 郑州机械研究所有限公司 | Diffusion bonding agent for brazing aluminum alloy honeycomb plate and diffusion brazing method |
CN111250857B (en) * | 2020-03-26 | 2021-10-22 | 郑州机械研究所有限公司 | Diffusion bonding agent for brazing aluminum alloy honeycomb plate and diffusion brazing method |
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