CN103009013B - Method for preparing metal honeycomb core and honeycomb sandwich board - Google Patents
Method for preparing metal honeycomb core and honeycomb sandwich board Download PDFInfo
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- CN103009013B CN103009013B CN201310003242.1A CN201310003242A CN103009013B CN 103009013 B CN103009013 B CN 103009013B CN 201310003242 A CN201310003242 A CN 201310003242A CN 103009013 B CN103009013 B CN 103009013B
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Abstract
The invention discloses a method for preparing a metal honeycomb core and honeycomb sandwich board. Aluminum, stainless steel and copper honeycomb core and honeycomb boards are prepared by using a brazing filler metal brazing method; according to the invention, a prepared product joint can form a metallurgical structure, which can be secondarily welded, can be machined and is featured with light weight, high strength, large rigidity, good stability, heat and sound insulation properties and no pollution; and the defect that the performance of an adhesive greatly influences the traditional adhesive honeycomb board honeycomb core is overcome; the mechanical property of the metal honeycomb core and honeycomb sandwich board is far higher than that of an adhesive material; moreover, a preparation process and operation means are simpler; all the performances are obviously improved; and the method for preparing the metal honeycomb core and honeycomb sandwich board, disclosed by the invention, is suitable for industrial production.
Description
Technical field
The present invention relates to a kind of metal sandwich sheet material technology of preparing, specifically, relate to the preparation method of a kind of metal beehive core and honeycomb sandwich plate.
Background technology
Metal honeycomb plate due to lightweight, specific strength is high, rigidity is large, good stability, heat-and sound-insulating and the series of advantages such as pollution-free, be now used widely in the fields such as Aero-Space, aircraft, train, boats and ships, building.At present no matter cellular board common is both at home and abroad core itself or the compound between panel and core, and are all adhesive means, connected mode is physical bond, and the working environment of its intensity, service life and permission restricts by Adhensive performance to a great extent.Such as under high humidity, vibration frequent (comprising air positive and negative pressure alternating action), working environment too high or too low for temperature, panel easily comes unstuck, cause in use, institute's bearing load does not reach the yield limit of used material far away and lost efficacy, and mechanical property is lower.Solving the combination between metal honeycomb core and between honeycomb core and metal decking, is the key improving metal honeycomb plate mechanical property, but improves that to obtain the leap of cellular board in performance be have limitation very much by means of only Adhensive performance.The faying face that metal honeycomb plate prepared by method for brazing is formed is metallurgical binding, not affected by environment, and its mechanical property, higher than same specification adhesive material, the scope of application does not affect by environment and other condition, can play the performance of metal honeycomb plate to greatest extent.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of preparation method of metal beehive core, and the faying face of metal material is not affected by environment, can play the performance of core to greatest extent.
Technical scheme is as follows:
A preparation method for metal beehive core, uses solder brazing mode to be prepared core, the technical process that described core uses soldering to prepare:
A, foil pretreatment, wipe oil and oxide-film;
B, enter glue spreader or be coated with solder machine;
C, run glue spreader or be coated with solder machine, the sizing material of banded or paste or solder spacing are on request applied;
D, lamination, surfacing, misplaces up and down;
E, enter hot equipment complex compound or soldering, temperature is 150 degree to 450 degree;
F, release, cutting edge, according to thickness requirement;
G, be drawn into honeycomb finished product.
Further: described sizing material or solder are resinae or inorganic matter class solder, the heating-up temperature of this sizing material or solder is 150 degree to 450 degree.
Further: described core completes at thermal composite machine, the thickness of described foil is 0.005 to 0.5 millimeter, and core thickness is 5 ~ 150mm.Honeycomb shape is hexagon, and its length of side is 2 to 30 millimeters.
Further: described foil is aluminium foil, stainless steel foil or Copper Foil.
The another side technical problem that the present invention will solve is to provide a kind of preparation method of metal beehive sandwich boards, and the faying face of metal material is not affected by environment, can play the performance of sheet material to greatest extent.
Technical scheme is as follows:
A preparation method for metal beehive sandwich boards uses solder brazing mode to be prepared metal honeycomb plate, the described technical process prepared for metal honeycomb plate use soldering:
A, upper and lower panel pretreatment, wipe oil and oxide-film;
B, enter to be coated with solder machine or rolling solder;
C, operation are coated with solder machine, banded or paste solder are coated in the side of upper and lower panel;
D, core and panel are fixed, and use fixture comb core and upper and lower panel to be fixed;
E, vacuum drying oven or atmosphere furnace soldering, temperature is more than 450 degree;
F, cooling, release;
G, metal beehive sandwich boards finished product.
Further: described solder is resinae or inorganic matter class solder, and this solder is hard solder.
Further: described metal beehive sandwich boards uses solder brazing to complete in vacuum drying oven or atmosphere furnace, the thickness of described metal beehive sandwich boards is 5 to 150 millimeters, described upper and lower panel selects aluminium sheet, carbon steel sheet, corrosion resistant plate or copper coin, and described metal beehive sandwich boards can carry out splicing and annex welding.
Compared with prior art, the invention has the beneficial effects as follows:
1, in the present invention, core prepared by method for brazing or the faying face that honeycomb sandwich plate is formed are metallurgical binding, and not affected by environment, its mechanical property is higher than same specification adhesive material, the scope of application does not affect by environment and other condition, the performance of cellular board can be played to greatest extent.The metallurgical structure of product joint can secondary welding, can process, lightweight, intensity is high, rigidity is large, good stability, heat-and sound-insulating, pollution-free, overcome existing adhesive type cellular board by the larger shortcoming of the performance impact of adhesive.
2, in the present invention, the core produced and cellular board mechanical property far above adhesive material mechanical property, and make preparation technology and operational means simpler, and properties all obtains remarkable lifting, is applicable to suitability for industrialized production.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of metal beehive core in the present invention;
Fig. 2 is the flow chart of the preparation method of metal beehive sandwich boards in the present invention.
Detailed description of the invention
Aforementioned and other technology contents, Characteristic for the present invention, can know and present in the detailed description of following cooperation with reference to graphic preferred embodiment.By the explanation of detailed description of the invention, when can to the present invention for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, however institute's accompanying drawings be only to provide with reference to and the use of explanation, be not used for being limited the present invention.
Of the present invention is to describe this its preparation process of soldering for metal beehive sandwich sheet material
Below with reference to the accompanying drawings and preferred embodiment, technical solution of the present invention is described in detail.
As shown in Figure 1, be the flow chart of preparation method of metal beehive core in the present invention.The step of the preparation method of metal beehive core is specific as follows:
Step 11: foil surface preparation;
Pretreatment is carried out on surface for foil, to remove plate surface greasy dirt and oxide-film.Foil can select stainless steel foil, aluminium foil or Copper Foil, and the thickness of stainless steel foil, aluminium foil or Copper Foil is between 0.005 ~ 0.5 ㎜.
Step 12: the foil after surface treatment sent to glue spreader or be coated with solder machine;
Step 13: coat to the contact surface of foil;
Coating is foil-like, band shape or paste, and the material of hot compound is resinae (containing rosin), and brazing material adopts inorganic matter class solder.
Step 14: by multilayer foil lamination, makes the surfacing of each layer foil, and misplaces between each layer foil;
Step 15: the multilayer foil after lamination also dislocation is put into hot equipment complex and carries out hot pressing compound, contact surface is carried out metallurgical binding;
In this preferred embodiment, the temperature of 150 degree to 450 degree Celsius, hot equipment complex is used to carry out compound or soldering.
Step 16: tailor corner according to thickness requirement after cooling, release;
Step 17: be drawn into cellular core.
In this preferred embodiment, core honeycomb is hexagon, and hexagonal side length is between 2 ~ 30 ㎜.
As shown in Figure 2, the flow chart of the preparation method of metal beehive sandwich boards in the present invention.In the present invention, the step of the preparation method of metal beehive sandwich boards is specific as follows:
Step 21: will the surface preparation of the upper and lower deck panels of core be positioned at, the thickness of described panel is 0.5 ~ 15 ㎜;
The pretreated object of panel is greasy dirt in order to remove levels panel surface or oxide layer.
Step 22: the upper and lower deck panels after surface treatment is sent to and is coated with solder machine, or rolling solder;
Step 23: upper solder, solder is banded or paste, and the material of soldering is resinae (containing rosin) or inorganic matter class solder, and this solder is hard solder.
Step 24: core and panel are fixed;
Fixture is used core and upper deck panels and lower floor's panel to be fixed.
Step 25: use vacuum drying oven or atmosphere furnace to carry out soldering, the contact surface of core and upper deck panels and lower floor's panel is carried out metallurgical binding;
In this preferred embodiment, the temperature of more than 450 degree Celsius, use vacuum drying oven or atmosphere furnace to carry out soldering, the contact surface of upper and lower deck panels and core is carried out metallurgical binding.
Step 26: the finished product obtaining metal beehive sandwich boards after cooling release.
The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solution of the present invention, according to any simple modification that technical spirit of the present invention is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (4)
1. a preparation method for metal beehive core, is characterized in that, uses solder brazing mode to be prepared core, the technical process that described core uses soldering to prepare:
A, foil pretreatment, wipe oil and oxide-film;
B, enter to be coated with solder machine;
C, operation are coated with solder machine, and solder spacing on request that is banded or paste is applied;
D, lamination, surfacing, misplaces up and down;
E, carry out soldering, temperature is 150 degree to 450 degree;
F, release, cutting edge, according to thickness requirement;
G, be drawn into honeycomb finished product.
2. the preparation method of metal beehive core according to claim 1, is characterized in that: described solder is resinae or inorganic matter class solder, and the heating-up temperature of this solder is 150 degree to 450 degree.
3. the preparation method of metal beehive core according to claim 2, is characterized in that: the thickness of described foil is 0.005 to 0.5 millimeter, and core thickness is 5 ~ 150mm
,honeycomb shape is hexagon, and its length of side is 2 to 30 millimeters.
4. the preparation method of metal beehive core according to claim 1, is characterized in that: described foil is aluminium foil, stainless steel foil or Copper Foil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310003242.1A CN103009013B (en) | 2012-06-01 | 2013-01-06 | Method for preparing metal honeycomb core and honeycomb sandwich board |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210177885.3 | 2012-06-01 | ||
| CN2012101778853A CN102689066A (en) | 2012-06-01 | 2012-06-01 | Preparation method of aluminum honeycomb core materials and honey comb plates |
| CN2012101778853 | 2012-06-01 | ||
| CN201310003242.1A CN103009013B (en) | 2012-06-01 | 2013-01-06 | Method for preparing metal honeycomb core and honeycomb sandwich board |
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| CN103009013A CN103009013A (en) | 2013-04-03 |
| CN103009013B true CN103009013B (en) | 2015-06-03 |
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| CN2012101778853A Pending CN102689066A (en) | 2012-06-01 | 2012-06-01 | Preparation method of aluminum honeycomb core materials and honey comb plates |
| CN201310003242.1A Active CN103009013B (en) | 2012-06-01 | 2013-01-06 | Method for preparing metal honeycomb core and honeycomb sandwich board |
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| CN102689066A (en) | 2012-09-26 |
| CN103009013A (en) | 2013-04-03 |
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