CN109967853B - Manufacturing method of underwater explosion composite board - Google Patents
Manufacturing method of underwater explosion composite board Download PDFInfo
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- CN109967853B CN109967853B CN201910358454.9A CN201910358454A CN109967853B CN 109967853 B CN109967853 B CN 109967853B CN 201910358454 A CN201910358454 A CN 201910358454A CN 109967853 B CN109967853 B CN 109967853B
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- plate
- cladding
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- plates
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- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/06—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of high energy impulses, e.g. magnetic energy
- B23K20/08—Explosive welding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses a manufacturing method of an underwater explosion composite board, which comprises the following steps: step one, preparing two base plates and cladding plates with the same width and length, respectively removing greasy dirt and oxidation layers on the surfaces of the base plates and the cladding plates, and manufacturing one end of each cladding plate into a shape with a certain bending angle gamma; step two, respectively carrying out surface polishing treatment on the surfaces to be compounded of the substrate and the shroud plate; and thirdly, aligning and assembling the base plate and the shroud plate, welding and sealing a gap around one end of the assembly, sealing the periphery of the non-welding end by using a sealing plate, wherein the collision angle between the shroud plate and the base plate is beta, an opening is formed on any side of the sealing plate, and a seamless steel pipe is welded at the opening to form a combined body.
Description
Technical Field
The invention belongs to the technical field of composite board manufacturing, and particularly relates to a manufacturing method of an underwater explosion composite board.
Background
With the rapid development of economy and the progress of modern science and technology, the composite board is applied more and more widely, the manufacturing technology is also continuously innovated, and the explosive cladding is adopted as the main method for preparing the composite board at present.
Disclosure of Invention
The invention aims to solve the technical problems of high noise, high limitation and environmental pollution, and provides the manufacturing method of the underwater explosion composite board, which can absorb explosion impact by utilizing water quality in explosion composite, has high safety, has little influence on nearby residents, avoids air pollution, can be carried out in a factory building, and can greatly save production cost.
The technical scheme adopted by the invention is as follows: the manufacturing method of the underwater explosion composite board comprises the following steps:
step one, preparing two base plates and cladding plates with the same width and length, respectively removing greasy dirt and oxidation layers on the surfaces of the base plates and the cladding plates, and manufacturing one end of each cladding plate into a shape with a certain bending angle gamma;
step two, respectively carrying out surface polishing treatment on the surfaces to be compounded of the substrate and the shroud plate;
aligning and assembling the base plate and the cover plate, welding and sealing a gap around one assembled end, sealing the periphery of a non-welded end by using a sealing plate, wherein the collision angle between the cover plate and the base plate is beta, and an opening is formed on any side of the sealing plate, and a metal pipe is welded at the opening to form a combined body;
step four, vacuumizing the inside of the assembly by a metal tube, and immediately sealing the metal tube;
step five, putting an explosive layer above the combination body in the step three according to a certain installation angle, wherein the installation angle of explosive putting is alpha, the periphery of the explosive layer is tightly sealed by hard impermeable paper or plastic film, and the explosive layer and the combination body are placed in an operation pool together;
and step six, igniting the detonating detonator to detonate the explosive, and pushing the cladding plate to the base plate after the explosive is detonated instantly, so that the cladding plate and the base plate are combined to form the composite plate.
The thickness of the base plate is 5-120mm, and the thickness of the cladding plate is 0.5-10mm.
The base plate and the cladding plate are made of metal plates, the base plate is preferably made of a steel plate with the material of Q235, and the cladding plate is a titanium plate.
And the average value of the surface roughness Ra of the substrate and the cladding plate to be compounded is less than or equal to 14 mu m.
The pressure of the vacuum in the fourth step is not more than 1 multiplied by 10 -2 Pa。
And D, extending the detonator lead wire in the step six to above the water surface.
The collision angle between the shroud plate and the base plate is 0-60 degrees, the shroud plate is provided with a bending angle for polymerizing the explosion wave energy, so that the shroud plate can be more favorably pushed to the base plate, direct welding of the shroud plate and the base plate is facilitated, the bending angle of the shroud plate is related to the collision angle, gamma is 0-60 degrees, and the installation angle of explosive charge is 0-60 degrees.
The first step aims to clean the surfaces of the base plate and the shroud plate, and avoid the quality degradation of the composite plate caused by oil stains or impurities such as an oxide layer and the like on the surfaces of the base plate and the shroud plate in the compounding process.
The third step is to assemble the base plate and the cover plate to form an integral structure, so that the integral structure is convenient to move integrally, the sealing is used for preventing water from entering the pool, and the later vacuumizing process can be prepared for the subsequent vacuumizing process through the metal tube.
The beneficial effects of the invention are as follows: the manufacturing method of the invention has the advantages of simple operation, high safety, capability of reducing pollution to the environment, no limitation to the environment, capability of being carried out in factory buildings in factories, capability of being operated indoors and great reduction of cost.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural view of the present invention.
The marks in the figure: 1. a substrate; 2. a cladding plate; 3. an explosive layer; 4. a detonator; 5. a sealing plate; 6. a metal tube.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
As shown in the figure, a method for manufacturing an underwater explosive composite board comprises the following steps:
step one, preparing two Q235 base plates 1 and titanium cladding plates 2 with the same width and length, wherein the thickness of the base plate 1 is 100mm, the thickness of the cladding plates 2 is 10mm, removing greasy dirt and oxide layers on the surfaces of the base plate 1 and the cladding plates 2 respectively, and manufacturing one end part of each cladding plate 2 into a shape with a certain bending angle gamma;
step two, respectively carrying out surface polishing treatment on the surfaces to be compounded of the substrate 1 and the shroud plate 2, wherein after polishing, the average value of the roughness Ra of the surfaces to be compounded of the substrate 1 and the shroud plate 2 is less than or equal to 14 mu m;
aligning and assembling the base plate 1 and the cover plate 2, welding and sealing a gap around one assembled end, sealing the periphery of a non-welded end by using a sealing plate 5, wherein the collision angle between the cover plate 2 and the base plate 1 is beta, and any side of the sealing plate 5 is provided with an opening, and a metal pipe 6 is welded at the opening to form a combined body;
step four, connecting the metal pipe 6 with a vacuum pump, and starting the vacuum pumpThen the interior of the combination body is vacuumized by the metal tube 6 until the pressure is not more than 1 multiplied by 10 -2 Pa, immediately sealing the metal tube 6, wherein the metal tube 6 can be a metal round tube or a metal square tube;
step five, putting an explosive layer 3 above the combination in the step three according to a certain installation angle, wherein the installation angle of explosive putting is alpha, the periphery of the explosive layer 3 is tightly sealed by hard impermeable paper or plastic film, and the explosive layer and the combination are placed in an operation pool, and after the combination is placed in the pool, the upper end of a metal pipe 6 is positioned above the water surface;
and step six, the lead wire of the detonator 4 extends above the water surface, the detonator 4 is ignited to detonate the explosive, and after the explosive is detonated instantaneously, the cladding plate 2 is pushed to the substrate 1, so that the cladding plate 2 and the substrate 1 are combined to form the composite plate.
The bending angle of the shroud plate 2 is more than or equal to 0 and less than or equal to gamma and less than or equal to 60 degrees, the collision angle between the shroud plate 2 and the base plate 1 is more than or equal to 0 and less than or equal to beta and less than or equal to 60 degrees, and the installation angle of explosive throwing is more than or equal to 0 and less than or equal to alpha and less than or equal to 60 degrees.
Claims (4)
1. The manufacturing method of the underwater explosion composite board is characterized by comprising the following steps of:
step one, preparing two Q235 base plates and titanium cladding plates with the same width and length, wherein the thickness of the base plates is 100mm, the thickness of the cladding plates is 10mm, removing greasy dirt and oxide layers on the surfaces of the base plates and the cladding plates respectively, and manufacturing one end of each cladding plate into a shape with a certain bending angle gamma;
step two, respectively carrying out surface polishing treatment on the surfaces to be compounded of the substrate and the shroud plate;
aligning and assembling the base plate and the cover plate, welding and sealing a gap around one assembled end, sealing the periphery of a non-welded end by using a sealing plate, wherein the collision angle between the cover plate and the base plate is beta, and an opening is formed on any side of the sealing plate, and a seamless steel pipe is welded at the opening to form a combined body;
step four, vacuumizing the interior of the assembly by using the seamless steel tube, immediately sealing the seamless steel tube, wherein the vacuumizing pressure is not more than 1 multiplied by 10 -2 Pa；
Step five, putting an explosive layer above the combination body in the step three according to a certain installation angle, wherein the installation angle of explosive putting is alpha, the periphery of the explosive layer is tightly sealed by hard impermeable paper or plastic film, and the explosive layer and the combination body are placed in an operation pool together;
and step six, igniting the detonating detonator to detonate the explosive, and pushing the cladding plate to the base plate after the explosive is detonated instantly, so that the cladding plate and the base plate are combined to form the composite plate.
2. A method of manufacturing an underwater blast composite panel according to claim 1, wherein: the base plate and the shroud plate are both made of metal materials.
3. A method of manufacturing an underwater blast composite panel according to claim 1, wherein: the average value of the roughness Ra of the surfaces to be compounded of the base plate and the cladding plate is less than or equal to 14 mu m.
4. A method of manufacturing an underwater blast composite panel according to claim 1, wherein: and step six, extending the detonator lead wire to be above the water surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358454.9A CN109967853B (en) | 2019-04-30 | 2019-04-30 | Manufacturing method of underwater explosion composite board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910358454.9A CN109967853B (en) | 2019-04-30 | 2019-04-30 | Manufacturing method of underwater explosion composite board |
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| Publication Number | Publication Date |
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| CN109967853A CN109967853A (en) | 2019-07-05 |
| CN109967853B true CN109967853B (en) | 2023-06-16 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110936008A (en) * | 2019-12-20 | 2020-03-31 | 郑州宇光复合材料有限公司 | Metal explosive welding method in water environment |
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| CN104741764A (en) * | 2015-03-10 | 2015-07-01 | 北京理工大学 | Method for preparing high-bonding-strength pure tungsten composite plate through preheated explosive welding |
| CN105598572A (en) * | 2016-03-09 | 2016-05-25 | 中国工程物理研究院流体物理研究所 | Method of using underwater impact waves to prepare metal material with periodic double-peak distribution structure |
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| JP2006255710A (en) * | 2005-03-15 | 2006-09-28 | Kimigafuchi Gakuen | Method for joining materials with underwater shock wave |
| CN101559516B (en) * | 2008-04-18 | 2012-05-30 | 北京大学 | Explosive welding device for bulk amorphous alloy and common metal |
| CN201427421Y (en) * | 2009-07-08 | 2010-03-24 | 安徽宝泰特种材料有限公司 | Ta/Zr/Ti/steel explosive welding composite plate |
| CN101758381B (en) * | 2009-12-18 | 2011-05-04 | 西安天力金属复合材料有限公司 | Preparation method of titanium/steel compound plate with notch on compound layer |
| CN204712551U (en) * | 2013-08-02 | 2015-10-21 | 安徽弘雷金属复合材料科技有限公司 | NS312 alloy sheets and steel plate explosive clad plate |
| KR20180062322A (en) * | 2016-11-29 | 2018-06-08 | 한국과학기술원 | Vessel-attachment apparatus by using explosion welding |
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- 2019-04-30 CN CN201910358454.9A patent/CN109967853B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1394819A (en) * | 1971-05-03 | 1975-05-21 | Int Research & Dev Co Ltd | Explosive welding of tubular members |
| GB1437944A (en) * | 1972-06-21 | 1976-06-03 | Int Research & Dev Co Ltd | Explosive jointing of submerged tubular members |
| GB1496128A (en) * | 1974-11-27 | 1977-12-30 | Atomic Energy Authority Uk | Explosive joining of pipes in liquid environments |
| SE8206913D0 (en) * | 1982-12-03 | 1982-12-03 | Nitro Nobel Ab | METHOD OF ROD SPLITING AND UNIT FOR PERFORMING SPLIT |
| CN104741764A (en) * | 2015-03-10 | 2015-07-01 | 北京理工大学 | Method for preparing high-bonding-strength pure tungsten composite plate through preheated explosive welding |
| CN105598572A (en) * | 2016-03-09 | 2016-05-25 | 中国工程物理研究院流体物理研究所 | Method of using underwater impact waves to prepare metal material with periodic double-peak distribution structure |
| CN108406079A (en) * | 2018-03-05 | 2018-08-17 | 中国矿业大学 | A kind of explosion welding method of zirconium-based metallic glass and thin sheet metal |
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| CN109967853A (en) | 2019-07-05 |
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