CN112496539A - Device for laser underwater local dry welding test - Google Patents
Device for laser underwater local dry welding test Download PDFInfo
- Publication number
- CN112496539A CN112496539A CN201910872464.4A CN201910872464A CN112496539A CN 112496539 A CN112496539 A CN 112496539A CN 201910872464 A CN201910872464 A CN 201910872464A CN 112496539 A CN112496539 A CN 112496539A
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- Prior art keywords
- drainage
- isolation cover
- test
- laser
- sample
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
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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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a device for a laser underwater local dry welding test, which comprises a drainage work cabin and a test water tank assembly, wherein the drainage work cabin is provided with a water inlet and a water outlet; the drainage working cabin comprises a drainage isolation cover and a bottom box, wherein the drainage isolation cover is of a three-dimensional hollow structure, and an observation window, a wire feeding port and a hollow connecting disc are arranged on the drainage isolation cover; the test water tank assembly comprises a water tank and a sample test adjusting table, a water inlet and a water outlet are formed in the side face of the bottom of the water tank, the sample test adjusting table is arranged in the center of the water tank, a first L-shaped support and a second L-shaped support which are symmetrical are arranged at the bottom of the sample test adjusting table, movable nuts are arranged on the horizontal plane and the vertical plane of the two L-shaped supports, and symmetrical and opposite supporting plates are arranged on the vertical plane of the two L-shaped supports and used for supporting the sample table; the underwater laser welding device is connected with a robot system, a laser and a wire feeding mechanism, so that the underwater local laser dry welding with convenience, rapidness, high quality and high efficiency is realized.
Description
Technical Field
The invention belongs to the technical field of laser welding, and particularly relates to a device for a laser underwater local dry welding test.
Background
With the increasing demand of human beings on energy, the development of oceans and inland water resources becomes the most main way for human beings to obtain energy, and the connection of underwater steel structural members and the repair of in-service steel structural members in related projects can not be realized by the participation of an underwater welding technology. The local dry underwater welding technology has become one of the research hotspots of the underwater welding technology due to simple equipment and better universality and environmental adaptability, but the local dry underwater welding technology is easy to generate the phenomena of unstable arc combustion, arc breakage and the like, and the problems of unsatisfactory welding seam forming effect and the like. As an advanced welding technology, laser welding does not need to use an electrode, the electrode is not polluted or damaged, the welding process is stable, heat is concentrated, the laser welding technology is widely applied to the industry at present, and the laser underwater local dry welding technology is gradually developed along with the rapid development of the laser welding technology.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for a laser underwater local dry welding test. The underwater laser welding device is connected with a robot system, a wire feeding mechanism and a laser system, so that the underwater local laser dry welding with convenience, rapidness, high welding quality and high efficiency is realized.
A device for a laser underwater local dry welding test comprises a drainage working cabin and a test water tank assembly; the drainage working cabin comprises a drainage isolation cover and a bottom box, wherein the drainage isolation cover is of a three-dimensional hollow structure, the drainage isolation cover is arranged on the upper surface of the bottom box and is positioned in the middle, an observation window, a wire feeding port and a hollow connecting disc are arranged on the drainage isolation cover, the observation window and the wire feeding port are positioned on the side surface of the drainage isolation cover, and the hollow connecting disc is positioned right above the drainage isolation cover; experimental pond assembly include pond and sample test regulation platform, the side of pond bottom is equipped with the inlet outlet, the central point in pond puts and is equipped with the sample test regulation platform, the bottom of sample test regulation platform is equipped with first L type support and the second L type support of symmetry, the horizontal plane and the vertical face interlude of two L type supports are equipped with rectangular hole, be equipped with the nut that can remove about and reciprocate, all be equipped with the symmetry and relative layer board on the vertical face of two L type supports, support sample platform through the layer board, the nut that sample platform accessible L type support horizontal plane and vertical face were equipped with moves about going on from top to bottom.
In the technical scheme, the drainage isolation cover is formed by welding stainless steel bent plates in a splicing mode, and the whole structure is in a water diversion shape.
In the technical scheme, the drainage isolation cover is provided with a front observation window and a side observation window, and the observation windows are made of transparent hard materials.
In the technical scheme, two symmetrical first handles are arranged on the upper surface of the drainage work cabin.
In the technical scheme, four notches are formed in the bottom of the drainage work chamber.
In the technical scheme, the outer surface of the side surface of the water pool is provided with two symmetrical second handles.
In the technical scheme, the fixing screw rods are arranged in the strip holes in the middle sections of the vertical surfaces of the two L-shaped supports for connection.
In the above technical scheme, the bottom of the first L-shaped bracket and the bottom of the second L-shaped bracket are provided with the fixing plates.
Compared with the prior art, the invention has the beneficial effects that: the device for the laser underwater local dry welding test forms a laser local dry welding test platform, successfully realizes the underwater welding of the E36 steel, and has good sealing performance, good drainage capacity and good weld forming; in the laser local dry welding process, the robot, the laser and the wire feeding mechanism can be connected to form a whole, so that an intelligent test is realized; the device has the advantages of convenient processing, less material loss, low use cost, convenient use, excellent effect, suitability for batch production and extremely high economic value.
Drawings
FIG. 1 is a perspective view of a drain work chamber;
FIG. 2 is a perspective view of a test basin assembly;
FIG. 3 is a perspective view of a sample testing conditioning station;
FIG. 4 is a perspective view of a partial trunk test chamber;
in the figure: 1 is a drainage work cabin, 1-1 is a bottom box, 1-2 is a drainage isolation cover, 1-3 is a front observation window, 1-4 is a side observation window, 1-5 is a hollow connecting disc, 1-6 is a wire feeding port, 1-7 is a first handle, 1-8 is a cabin plate, and 1-9 is a notch; 2 is a test pool assembly, 2-1 is a pool, 2-2 is a water inlet and outlet, and 2-3 is a second handle; 3 is a sample testing adjusting table, 3-1 is a sample table, 3-2 is a first L-shaped support, 3-3 is a second L-shaped support, 3-4 is a nut moving up and down, 3-5 is a nut moving left and right, 3-6 is a fixing screw, 3-7 is a supporting plate, and 3-8 is a fixing plate; 4 is a wire feeder; 5 is a laser; and 6 is a transition section.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples.
As shown in fig. 1-3, the device for the laser underwater local dry welding test comprises a drainage work chamber 1 and a test water tank assembly 2; the drainage work cabin 1 comprises a drainage isolation cover 1-2 and a bottom box 1-1, the bottom box is a cuboid structure consisting of cabin plates 1-8, four surfaces at the bottom of the cabin plate are respectively provided with notches 1-9, two symmetrical first handles 1-7 are arranged above the cabin plate 1-8, the drainage isolation cover 1-2 is a three-dimensional hollow polygonal structure consisting of the cabin plate 1-8 and is positioned above the bottom box 1-1 and in the middle, a front observation window 1-3, a side observation window 1-4, a wire feeding port 1-6 and a hollow connecting disc 1-5 are arranged on the drainage isolation cover 1-2, the front observation window 1-3, the side observation window 1-4 and the wire feeding port 1-6 are positioned on the side surface of the drainage isolation cover 1-2, and the hollow connecting disc 1-5 is positioned right above the drainage isolation cover 1-2; the test water tank assembly 2 comprises a water tank 2-1 and a sample test adjusting platform 3, a water inlet and a water outlet 2-2 are arranged on the side surface of the bottom of the water tank 2-1, two symmetrical second handles 2-3 are arranged on the side surface of the outside of the water tank, the sample test adjusting platform 3 is arranged at the central position of the water tank 2-1, a fixing plate 3-8 is arranged at the bottom of the sample test adjusting platform 3 and is fixed with the water tank 2-1 through a fixing plate 3-8, a first L-shaped support 3-2 and a second L-shaped support 3-3 are symmetrically arranged on the fixing plate 3-8, a long hole is formed between the horizontal plane and the vertical plane of the two L-shaped supports, a nut 3-5 capable of moving left and right and a nut 3-4 capable of moving up and down are arranged, symmetrical and opposite support plates 3-7 are arranged on the vertical planes of the two L-shaped supports the sample, the sample table 3-1 can be moved up and down, left and right through nuts arranged on the horizontal plane and the vertical plane of the L-shaped bracket; the vertical surfaces of the two L-shaped brackets are provided with fixing screws 3-6 for connection and fixation.
The device for the local dry welding test is applied to laser underwater welding, as shown in fig. 4, a transition section 6 (a hollow device coaxial with a hollow connecting disc) is connected below a laser 5 (a Nanjing Kosun light laser technology company, IPG laser YLS-10000-S4-SN-18070250) and is connected with the hollow connecting disc 1-5 on a drainage isolation cover 1-2 through the transition section 6, and the transition section 6 is used for adjusting the height of the device; a wire feeding mechanism 4 is connected at the wire feeding port 1-6 of the drainage isolation cover 1-2; the completed structure is placed into a test water tank assembly 2, and a sample platform is aligned to the position of a through hole in the middle of a hollow connecting disc 1-5 on a drainage isolation cover 1-2, so that laser can act on a sample. The laser 5 is mounted on a robot arm (KUKA Roboter GmbH Kuka robot Co., Ltd., KUKA KR60HA-3C4 FLR ZH 02).
Before welding, firstly, air or inert protective gas (such as nitrogen) is utilized to inflate and drain water in the experiment chamber, the air is discharged from the front end of the laser device and then is carried out in the experiment chamber, pressure is applied to the water surface, so that water in the chamber is discharged from the periphery of the experiment chamber, and notches are designed to facilitate drainage. According to the design height of the samples on the two L-shaped supports, the gas filling amount is adjusted, and it is required to be explained that the laser is provided with a gas filling structure (to meet the gas protection of laser processing), the structure is used for filling gas into the laboratory chamber and draining water, and if air is used, the inert protective gas is replaced when the laser processing is carried out. When the air pressure in the cabin and the water surface pressure outside the cabin form dynamic balance, the sample is exposed out of the water surface and dried, the laser 5 and the wire feeding mechanism 1 are started to be matched, synchronous feeding is carried out for welding, after the welding is finished, the wire feeding mechanism 1 finishes feeding the wires, and the laser 5 is closed. Waiting for a corresponding time (to ensure the welding quality) according to the requirement, stopping air supply, gradually reducing the air pressure in the cabin until the welding is finished, cleaning a welding bead, and preparing for the next welding. Repeating the steps until the workpiece is machined; the experiment cabin can be developed into a working cabin for deep sea operation.
The invention has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the invention fall within the scope of the invention.
Claims (8)
1. A device for a laser underwater local dry welding test is characterized by comprising a drainage working cabin and a test water tank assembly; the drainage working cabin comprises a drainage isolation cover and a bottom box, wherein the drainage isolation cover is of a three-dimensional hollow structure, the drainage isolation cover is arranged on the upper surface of the bottom box and is positioned in the middle, an observation window, a wire feeding port and a hollow connecting disc are arranged on the drainage isolation cover, the observation window and the wire feeding port are positioned on the side surface of the drainage isolation cover, and the hollow connecting disc is positioned right above the drainage isolation cover; experimental pond assembly include pond and sample test regulation platform, the side of pond bottom is equipped with the inlet outlet, the central point in pond puts and is equipped with the sample test regulation platform, the bottom of sample test regulation platform is equipped with first L type support and the second L type support of symmetry, the horizontal plane and the vertical face interlude of two L type supports are equipped with rectangular hole, be equipped with the nut that can remove about and reciprocate, all be equipped with the symmetry and relative layer board on the vertical face of two L type supports, support sample platform through the layer board, the nut that sample platform accessible L type support horizontal plane and vertical face were equipped with moves about going on from top to bottom.
2. The device for the laser underwater local dry welding test according to claim 1, wherein the drainage isolation cover is formed by welding stainless steel bent plates in a split welding mode, and the whole structure is in a water diversion shape.
3. The device for the laser underwater local dry welding test is characterized in that the drainage isolation cover is provided with a front observation window and a side observation window, and the observation windows are made of transparent hard materials.
4. The device for the laser underwater local dry welding test is characterized in that two symmetrical first handles are arranged on the upper surface of the drainage work chamber.
5. The apparatus of claim 1, wherein the bottom of the drain work chamber is provided with four notches.
6. The apparatus of claim 1, wherein two symmetrical second handles are provided on the outer surface of the side of the pool.
7. The device for the laser underwater local dry welding test is characterized in that fixing screw rods are arranged in long holes in middle sections of vertical surfaces of the two L-shaped supports for connection.
8. The device for the laser underwater local dry welding test is characterized in that fixing plates are arranged at the bottoms of the first L-shaped support and the second L-shaped support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872464.4A CN112496539A (en) | 2019-09-16 | 2019-09-16 | Device for laser underwater local dry welding test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872464.4A CN112496539A (en) | 2019-09-16 | 2019-09-16 | Device for laser underwater local dry welding test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112496539A true CN112496539A (en) | 2021-03-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910872464.4A Pending CN112496539A (en) | 2019-09-16 | 2019-09-16 | Device for laser underwater local dry welding test |
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| Country | Link |
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| CN (1) | CN112496539A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018918A (en) * | 2021-10-26 | 2022-02-08 | 武汉数字化设计与制造创新中心有限公司 | Underwater local dry laser welding monitoring experiment platform based on multiple sensing signals |
Citations (8)
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|---|---|---|---|---|
| JP2001219269A (en) * | 2000-02-07 | 2001-08-14 | Hitachi Ltd | Device and method for submerged working |
| JP2011110556A (en) * | 2009-11-24 | 2011-06-09 | Toshiba Corp | Underwater welding apparatus and underwater welding method |
| CN203621813U (en) * | 2013-12-11 | 2014-06-04 | 株洲日望精工有限公司 | Object positioning and fixing device |
| CN206869292U (en) * | 2017-03-27 | 2018-01-12 | 中国海洋石油总公司 | The underwater local dry cavity welding drainage cover of tubular structure |
| CN107914085A (en) * | 2017-12-01 | 2018-04-17 | 哈尔滨工业大学（威海） | A kind of underwater laser welder and its application method for simulating shallow-water environment |
| CN207344047U (en) * | 2017-10-26 | 2018-05-11 | 安徽安凯汽车股份有限公司 | A kind of positioning card on frock clamp |
| CN207431521U (en) * | 2017-10-25 | 2018-06-01 | 大族激光科技产业集团股份有限公司 | Welder |
| CN110202259A (en) * | 2019-04-23 | 2019-09-06 | 安徽科技学院 | Underwater laser increases material prosthetic device |
-
2019
- 2019-09-16 CN CN201910872464.4A patent/CN112496539A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001219269A (en) * | 2000-02-07 | 2001-08-14 | Hitachi Ltd | Device and method for submerged working |
| JP2011110556A (en) * | 2009-11-24 | 2011-06-09 | Toshiba Corp | Underwater welding apparatus and underwater welding method |
| CN203621813U (en) * | 2013-12-11 | 2014-06-04 | 株洲日望精工有限公司 | Object positioning and fixing device |
| CN206869292U (en) * | 2017-03-27 | 2018-01-12 | 中国海洋石油总公司 | The underwater local dry cavity welding drainage cover of tubular structure |
| CN207431521U (en) * | 2017-10-25 | 2018-06-01 | 大族激光科技产业集团股份有限公司 | Welder |
| CN207344047U (en) * | 2017-10-26 | 2018-05-11 | 安徽安凯汽车股份有限公司 | A kind of positioning card on frock clamp |
| CN107914085A (en) * | 2017-12-01 | 2018-04-17 | 哈尔滨工业大学（威海） | A kind of underwater laser welder and its application method for simulating shallow-water environment |
| CN110202259A (en) * | 2019-04-23 | 2019-09-06 | 安徽科技学院 | Underwater laser increases material prosthetic device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018918A (en) * | 2021-10-26 | 2022-02-08 | 武汉数字化设计与制造创新中心有限公司 | Underwater local dry laser welding monitoring experiment platform based on multiple sensing signals |
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Application publication date: 20210316 |
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| RJ01 | Rejection of invention patent application after publication |