CN102151993B - Welding device and method for welding workpiece using same - Google Patents
Welding device and method for welding workpiece using same Download PDFInfo
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- CN102151993B CN102151993B CN 201110113530 CN201110113530A CN102151993B CN 102151993 B CN102151993 B CN 102151993B CN 201110113530 CN201110113530 CN 201110113530 CN 201110113530 A CN201110113530 A CN 201110113530A CN 102151993 B CN102151993 B CN 102151993B
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Abstract
The invention discloses a welding device. The welding device comprises a computer control system, a nanosecond laser generator, an optical fiber laser, a workbench, a total-reflection mirror and an adjusting frame for adjusting the direction of the total-reflection mirror; the nanosecond laser generator, the optical fiber laser and the workbench are controlled by the computer control system; the workbench is provided with a fixture for clamping a workpiece; and crystal grains on the surface of an annular groove can be thinned through welding the workpiece by adopting the welding device to increase the bonding strength between the solder and the surface of the annular groove, thereby improving the tensile strength of a welding joint.
Description
Technical field
The present invention relates to special process field, relate in particular to a kind of welder and use the method for this welder welding work pieces.
Background technology
The different metal materials welding is the important problem in the welding technology field, because dissimilar metal causes its welding process more more complex than metal of the same race in the significant difference of the aspects such as physical property, chemical property.People generally adopt electro-beam welding method, friction stir welding method, not preheating wire welding welding method and electron beam and laser beam complex welding method in the prior art, because the crystal grain of initial metallic is larger, it is inadequate that the welding effect that produces in welding process can cause scolder to be combined the degree of depth with original metal, and the welding between the different materials may cause revealing, and joint location tensile strength may be lower.
Therefore the method that is necessary to provide a kind of welder that solves the problems of the technologies described above and uses this welder welding work pieces.
Summary of the invention
A technical problem to be solved by this invention is: a kind of method that strengthens the welder of welding point tensile strength and use this welder welding work pieces is provided.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of welder, this welder comprises: computer control system, nanosecond laser generator, optical fiber laser, workbench, total reflective mirror reach the adjustment rack that is used for adjusting the total reflective mirror direction, described nanosecond laser generator, optical fiber laser and workbench are controlled by computer control system, and described workbench is provided with the anchor clamps for holding workpiece.
Beneficial effect of the present invention: by adopting above-mentioned welder welding work pieces, can make the refinement of annular groove surface layer grain, increase the bond strength on scolder and annular groove top layer, thereby improve welding point tensile strength.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of welding method, its welding step is: A) get the first workpiece and second workpiece, described first, second workpiece is cylindrical, described second workpiece is provided with the accepting groove of accommodating the first workpiece, described accepting groove is provided with opening, described second workpiece is provided with annular recess at the opening part of accepting groove, B) at first the first workpiece is fit in the accepting groove of second workpiece, thereby form annular groove between the lateral surface of annular recess and the first workpiece, two workpiece after then will installing are placed on the anchor clamps of workbench and carry out clamping; C) use laser beam with the refinement surface layer grain by computer control system control nanosecond laser generator to the top layer launching shock of annular groove, then adjust the direction of total reflective mirror with adjustment rack; D) scolder is positioned in the annular groove, then welds to the scolder emission in the annular groove by computer control system control optical fiber laser and use laser beam.
Beneficial effect of the present invention: by adopting above-mentioned welding method welding work pieces, can make the refinement of annular groove surface layer grain, increase the bond strength on scolder and annular groove top layer, thereby improve welding point tensile strength.
Description of drawings
Fig. 1 is the schematic diagram of welder among the present invention, has wherein showed the schematic diagram after the first workpiece and second workpiece are installed.
Among Fig. 1: 1, computer control system, 100, welder, 2, the nanosecond laser generator, 20, impact and use laser beam, 3, optical fiber laser, 30, weld and use laser beam, 4, workbench, 40, anchor clamps, 5, total reflective mirror, 6, adjustment rack, 7, solder nozzle, the 8, first workpiece, 80, the first screw thread, 9, second workpiece, 90, accepting groove, 91, opening, the 92, second screw thread, 93, annular groove.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples, but the present invention should not only limit to embodiment.
See also Fig. 1, a kind of welder 100, this welder 100 comprises: computer control system 1, nanosecond laser generator 2, optical fiber laser 3, workbench 4, total reflective mirror 5 reach the adjustment rack 6 that is used for adjusting total reflective mirror 5 directions, described nanosecond laser generator 2, optical fiber laser 3 and workbench 4 are by computer control system 1 control, and described workbench 4 is provided with the anchor clamps 40 for holding workpiece.Described welder 100 also comprises a solder nozzle 7, described nanosecond laser generator 2, optical fiber laser 3, workbench 4 and solder nozzle 7 are by computer control system 1 control, described nanosecond laser generator 2 is used for launching shock laser beam 20, described optical fiber laser 3 is used for emission welding laser beam 30, described computer control system 1 can be controlled and impact emission and the tranmitting frequency of using laser beam 30 with laser beam 20 and welding, adjustable impact with laser beam 20 and welding with laser beam 30 focal position and process the position, also can control the movement of workbench 4.
A kind of welding method of using above-mentioned welder 100 welding work pieces, its welding step is: A) get the first workpiece 8 and second workpiece 9, described first, second workpiece 8,9 be cylindrical, described second workpiece 9 is provided with the accepting groove 90 of accommodating the first workpiece 8, described accepting groove 90 is provided with opening 91, described second workpiece 9 is provided with annular recess at opening 91 places of accepting groove 90, described the first workpiece 8 and second workpiece 9 are made by metal material, in the present embodiment, described the first workpiece 8 is made by stainless steel, described second workpiece 9 is made of aluminum, certainly in other embodiments, described the first workpiece 8 and second workpiece 9 both can be made by metal material of the same race, also can be made by foreign material.The outside of described the first workpiece 8 is provided with the first screw thread 80, the cell wall of the accepting groove 90 of described second workpiece 9 is provided with the second screw thread 92 that matches with the first screw thread 80, described the first screw thread 80 equates with the nominal diameter of the second screw thread 92, described the first workpiece 8 and second workpiece 9 are threaded to realize the first workpiece 8 and second workpiece 9 by employing accurate location; B) at first the first workpiece 8 is fit in the accepting groove 90 of second workpiece 9, thereby forms annular groove 93 between the lateral surface of annular recess and the first workpiece 8, the cross section of described annular groove 93 is triangle or right-angled trapezium.Then two workpiece after will installing are placed on the anchor clamps 40 of workbench 4 and carry out clamping; C) use laser beam 20 with the refinement surface layer grain by computer control system 1 control nanosecond laser generator 2 to the top layer launching shock of annular groove 93, by with the power source of laser beam as annular groove 93 surface layer grain refinements, belong to noncontact procession, technique is simple, then adjust the direction of total reflective mirror 5 with adjustment rack 6, thereby the control impact is impacted clockwise or counterclockwise along annular groove 93 with laser beam 20; D) scolder is positioned in the annular groove 93, in the present embodiment, to adopt solder nozzle 7 that scolder is positioned in the annular groove 93, described solder nozzle 7 is by computer control system 1 control, certainly, in other embodiments, also can directly by manually-operated scolder be positioned in the annular groove 93, then by the scolders emission welding of computer control system 1 control optical fiber laser 3 in the annular groove 93 with laser beam 30, welding can be finished flexible welding between the first workpiece 8 and the second workpiece 9 with laser beam 30.
The present invention can make annular groove 93 surface layer grain refinements by adopting above-mentioned welder 100 and above-mentioned welding method, increases the bond strength on scolder and annular groove 93 top layers, thereby improves welding point tensile strength.
Claims (3)
1. method of using the welder welding work pieces, described welder comprises: computer control system, nanosecond laser generator, optical fiber laser, workbench, total reflective mirror reach the adjustment rack that is used for adjusting the total reflective mirror direction, described nanosecond laser generator, optical fiber laser and workbench are controlled by computer control system, described workbench is provided with the anchor clamps for holding workpiece, and the welding step of described welding method is:
A) get the first workpiece and second workpiece, described first, second workpiece is cylindrical, and described second workpiece is provided with the accepting groove of accommodating the first workpiece, and described accepting groove is provided with opening, and described second workpiece is provided with annular recess at the opening part of accepting groove;
B) at first the first workpiece is fit in the accepting groove of second workpiece, thereby forms annular groove between the lateral surface of annular recess and the first workpiece, two workpiece after then will installing are placed on the anchor clamps of workbench and carry out clamping;
C) use laser beam with the refinement surface layer grain by computer control system control nanosecond laser generator to the top layer launching shock of annular groove, then adjust the direction of total reflective mirror with adjustment rack;
D) scolder is positioned in the annular groove, then welds to the scolder emission in the annular groove by computer control system control optical fiber laser and use laser beam.
2. the method for use welder welding work pieces as claimed in claim 1, it is characterized in that: described the first workpiece and second workpiece described steps A) are made by metal material, the outside of described the first workpiece is provided with the first screw thread, and the cell wall of the accepting groove of described second workpiece is provided with the second screw thread that matches with the first screw thread.
3. the method for use welder welding work pieces as claimed in claim 2, it is characterized in that: the cross section of described annular groove is triangle or right-angled trapezium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110113530 CN102151993B (en) | 2011-05-04 | 2011-05-04 | Welding device and method for welding workpiece using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110113530 CN102151993B (en) | 2011-05-04 | 2011-05-04 | Welding device and method for welding workpiece using same |
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| Publication Number | Publication Date |
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| CN102151993A CN102151993A (en) | 2011-08-17 |
| CN102151993B true CN102151993B (en) | 2013-01-02 |
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| CN 201110113530 Active CN102151993B (en) | 2011-05-04 | 2011-05-04 | Welding device and method for welding workpiece using same |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103212874B (en) * | 2012-01-19 | 2016-04-27 | 昆山思拓机器有限公司 | The assemble method of precision two-dimensional mirror adjustable installation mechanism |
| CN104139243B (en) * | 2013-05-07 | 2016-08-17 | 上海亚尔光源有限公司 | A kind of manufacture method of the electrode assemblie for automobile Metal halogen lamp |
Citations (3)
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|---|---|---|---|---|
| CN1423067A (en) * | 2001-12-04 | 2003-06-11 | 三星光州电子株式会社 | Method for machining enclosed reciprocating compressor crank axle |
| CN101590569A (en) * | 2009-06-12 | 2009-12-02 | 江苏大学 | A kind of method and apparatus of compositely preparing surface-layer biomimetic structure by laser |
| CN201702510U (en) * | 2010-08-19 | 2011-01-12 | 上海市激光技术研究所 | Optical fiber laser metal sheet welding device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3981937B2 (en) * | 1998-11-05 | 2007-09-26 | 浜松ホトニクス株式会社 | Optical fiber laser, laser device and optical fiber amplifier |
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2011
- 2011-05-04 CN CN 201110113530 patent/CN102151993B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1423067A (en) * | 2001-12-04 | 2003-06-11 | 三星光州电子株式会社 | Method for machining enclosed reciprocating compressor crank axle |
| CN101590569A (en) * | 2009-06-12 | 2009-12-02 | 江苏大学 | A kind of method and apparatus of compositely preparing surface-layer biomimetic structure by laser |
| CN201702510U (en) * | 2010-08-19 | 2011-01-12 | 上海市激光技术研究所 | Optical fiber laser metal sheet welding device |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2000-150987A 2000.05.30 |
| 奥氏体不锈钢表面激光冲击晶粒超细化的研究;朱向群等;《中国机械工程》;20050915;第16卷(第17期);第1582页 * |
| 朱向群等.奥氏体不锈钢表面激光冲击晶粒超细化的研究.《中国机械工程》.2005,第16卷(第17期), |
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