CN203592236U - Laser welding clamp of stainless steel sheet fillet weld - Google Patents
Laser welding clamp of stainless steel sheet fillet weld Download PDFInfo
- Publication number
- CN203592236U CN203592236U CN201320536961.5U CN201320536961U CN203592236U CN 203592236 U CN203592236 U CN 203592236U CN 201320536961 U CN201320536961 U CN 201320536961U CN 203592236 U CN203592236 U CN 203592236U
- Authority
- CN
- China
- Prior art keywords
- welding
- fixture
- platform
- fixed
- clamping plate
- Prior art date
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a laser welding clamp of a stainless steel sheet fillet weld. The laser welding clamp of a stainless steel sheet fillet weld mainly comprises a platform (1), a copper backing plate (2), a pressing plate (3), a first clamping plate (4), a second clamping plate (5), a rapid fixture (7) and a washer (12), and is characterized in that the rapid fixture (7) is fixed on the clamping plate (5) via a fixing device; the clamping plate (5) is fixed on the platform (1) via a fixing device; the copper backing plate (2) is fixed on the platform (1) via a movable positioning device; and a pressing plate (6) is fixed on the copper backing plate (2) via a fixing device. In order to improve the efficiency and the quality of the welding method, when welding is conducted, the special clamp is applied. One clamp body is in the horizontal position, the other clamp body is perpendicular to the clamp body in the horizontal position, and two 0.7mm sheets are fixed through the welding clamp. Through the rapid fixture, the washer, the pressing plates, the platform and screws, stainless steel can be rapidly located and firmly fixed, and the stainless steel can be prevented from being abraded in the process of fixing.
Description
Technical field
The present invention relates to laser welding technology, be specially a kind of fixture for laser welding of stainless sheet steel angle welding.
Background technology
The welding deformation control technology of thin plate, fillet weld seam are not gone up and oxidation tint is the technical barrier of welding field, and welding deformation is relevant with factors such as material, welding procedure, welding methods; Fillet weld seam is not gone up relevant with reasonability, the robot teaching of jig Design, tradition is by the guide laser ruddiness guiding of KUKA robot, teaching error in thin plate angle welding is very large, can not guarantee that Ear Mucosa Treated by He Ne Laser Irradiation is in precalculated position, cause appearance of weld difficulty, human eye is larger for the error of observation of ruddiness; Oxidation tint and protective gas type, protective gas nozzle arrangements are relevant.Tradition adopts TIG welding method, TIG can not be on weldment the directly starting the arc, easily produce tungsten inclusion or workpiece bonding, electric arc can not be stablized immediately, electric arc easily punctures mother metal, so should adopt run-on tab, puts a copper plate on striking point side, first striking thereon moves to position to be welded after tungsten head is heated to uniform temperature again.Increase like this time of auxiliary welding.Owing to being thin plate fillet weld seam, welding current all gets the small value, and easily produces wandering, and cathode protection temperature is very high, can make welding region produce heating scaling loss and electron emission condition variation, causes cathode protection constantly to be beated, and is difficult to maintain normal welding.
Summary of the invention
In order to realize thin plate angle welding round-corner transition, just, the back side do not have oxidation tint, welding quality can meet batch production, and above-mentioned welding method is wanted special fixture.Special fixture of the present invention comprises: platform, copper pad, pressing plate, clamping plate, rapid fixture, packing ring etc., it is characterized in that: rapid fixture is fixed by screws on clamping plate, clamping plate are fixed by screws on platform, and copper pad is fixed on platform by straight pin, and pressing plate is fixed by screws on copper pad.Stainless sheet steel is placed on respectively on horizontal and vertical copper pad, horizontal copper pressing plate is pressed in respectively on stainless sheet steel with vertical copper pressing plate, regulate the lap position relation of two stainless sheet steels, horizontal stainless sheet steel is overlapped on 2/3 position of vertical Thin Stainless Steel plate thickness, then make two copper pressing plates be adjacent to respectively the stainless sheet steel of level and vertical direction at level and vertical direction, compress copper pressing plate by rapid fixture and bolt two stainless sheet steels are closely overlapped.
The present invention does in view of the above problems, and its object is to realize the round-corner transition of angle welding, and appearance of weld is good, there is no oxidation tint.
The present invention be solve the problems of the technologies described above the technical scheme of taking be for: a kind of welding method of thin corrosion resistant plate, is characterized in that comprising the following steps:
(1) adopt a side fixture to be positioned at horizontal level, and opposite side fixture weld jig in 90 ° is fixed two thin plates of 0.7mm thickness, and fixture adopts copper, because the high reflectance of copper, when plate sheet welding, be not easy to make the thin plate back side and fixture adhesion, base adopts cast steel;
(2) with absolute ethyl alcohol wiping stainless sheet steel finished surface to be welded, surperficial greasy dirt is removed;
(3), by 2/3rds places of upper another the vertical Thin Stainless Steel plate thickness of horizontal stainless sheet steel overlap joint to be welded, make two thin plates closely fixing by alignment jig;
(4) be used in the 4 road protective gas nozzles that a plane arranges successively with stepped-style, coaxially protection;
(5) laser head and Z axis inclination angle 25 degree irradiate overlapping part;
(6) using argon gas as protective gas, weld by the technological parameter of following setting, laser output power 1000-2000w, speed of welding 2-6m/min, shield gas flow rate 5-10L/min, defocusing amount+20 are to+25mm.
Using argon gas as protective gas; in welding process, can form a protective layer; oxygen is isolated; reduce metal loss; reduce pore and produce, improve weldquality, adopt the method technology stability good; welding quality can meet batch production, reaches the welding method of stainless steel sheet of the technical requirement of product setting.
Object of the present invention can also realize like this: in welding operation, use robot to pass through ccd sensor teaching, then setup parameter, allows robot replace welding operation.After adopting this design, ccd sensor has been avoided the error of eye-observation in teaching process, realizes accurate location by observe initial sum final position on computer monitor, and has guaranteed the production efficiency of welding.
Described parameter is welded by the technological parameter of following setting, laser output power 1000w, speed of welding 2m/min, shield gas flow rate 10L/min, defocusing amount+15mm.After adopting this design, the low appearance of weld that makes of speed of welding is more stable, the low burn-through of avoiding of power, but easily produce oxidation because speed is slow.
Treat that the position of laser facula welding is on overlap joint suture, described parameter is welded by the technological parameter of following setting, and laser output power is 1700w, and speed of welding is 6m/min, shield gas flow rate 5L/min, defocusing amount+25mm.After adopting this design, speed is fast, makes weld seam in high-temperature region time shorten, and solidification forming is very fast, so be difficult for oxidized.
Treat that the position of laser facula welding is at overlap joint suture 0.2mm on the upper side, described parameter is welded by the technological parameter of following setting, and laser output power is 1700w, speed of welding 5.5m/min, shield gas flow rate 5L/min, defocusing amount+20mm.After adopting this design, can reduce the diameter in initial molten bath, angle welding round-corner transition is better, and speed of welding is very fast, saving and protection gas.
A kind of fixture for laser welding of thin plate stainless steel angle welding, wherein mainly comprise: platform, copper pad, pressing plate, the first clamping plate, the second clamping plate, rapid fixture, packing ring, it is characterized in that: rapid fixture is fixed on clamping plate by fixture, clamping plate are fixed on platform by fixture, and copper pad fixes on platform by movable locating device, and pressing plate is fixed on copper pad by fixture.This device can position and fix corrosion resistant plate fast, reduces workman's operation easier, improves welding quality.
As a kind of improvement of the present utility model, described movable locating device is straight pin.After adopting this design, more convenient for the positioning action of same packing ring.
As a kind of improvement of the present utility model, described fixture is screw.After adopting this design, each parts can be closely linked, and can not affect welding quality.
As a kind of improvement of the present utility model, described platform comprises levelling bench and vertical platform, and its angle is 90 °.After adopting this design, can guarantee that corrosion resistant plate connection angle is 90 °
Compared with prior art, the present invention adopts the method for laser weld, by KUKA robot to different teaching positions and the selection of welding parameter, repeatedly carry out after engineer testing, established best teaching position, technological parameter is clear and definite, and technology stability is good, welding quality can meet batch production, reaches the welding method of stainless steel sheet of the technical requirement of product setting.
Accompanying drawing explanation
Fig. 1 is machining sketch chart of the present invention,
Fig. 2 is fixture left view of the present invention,
Fig. 3 is fixture top view of the present invention,
Fig. 4 is fixture front view of the present invention,
Reference numerals list: 1-platform, 2-copper pad, 3-pressing plate, the 4-the first clamping plate, the 5-the second clamping plate, 6-pressing plate, 7-rapid fixture, 9-straight pin, 11-screw, 12-packing ring.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.
embodiment 1:
With stainless sheet steel material 304, thickness 0.7mm, weld length is that 10mm is example.
Adopt following steps and technological parameter to make:
(1) adopt a side fixture to be positioned at horizontal level, and opposite side fixture weld jig in 90 ° is fixed two thin plates of 0.7mm thickness, and fixture adopts copper, because the high reflectance of copper, when plate sheet welding, be not easy to make the thin plate back side and fixture adhesion, base adopts cast steel;
(2) with absolute ethyl alcohol wiping stainless sheet steel finished surface to be welded, surperficial greasy dirt is removed;
(3), by 2/3rds places of upper another the vertical Thin Stainless Steel plate thickness of horizontal stainless sheet steel overlap joint to be welded, make two thin plates closely fixing by alignment jig;
(4) be used in 4 protective gas nozzles that a plane arranges successively with stepped-style, coaxially protection;
(5) laser head and Z axis inclination angle 25 degree irradiate overlapping part;
(6), using argon gas as protective gas, weld laser output power 1700w, speed of welding 5.5m/min, shield gas flow rate 5L/min, defocusing amount+20mm by the technological parameter of following setting.
Using argon gas as protective gas, in welding process, can form a protective layer, oxygen is isolated, reduce metal loss, reduce pore and produce, improve weldquality.
embodiment 2:
As a modification of the present invention, in welding operation, first robot is carried out to ccd sensor teaching, then setup parameter, allows robot replace welding operation.After adopting this design, ccd sensor has been avoided the error of eye-observation in teaching process, realizes accurate location by observe initial sum final position on computer monitor, and has guaranteed the production efficiency of welding.All the other design features are identical with embodiment 1 with advantage.
embodiment 3:
As a modification of the present invention, described parameter is welded by the technological parameter of following setting, laser output power 1000w, speed of welding 2m/min, shield gas flow rate 10L/min, defocusing amount+15mm.After adopting this design, the low appearance of weld that makes of speed of welding is more stable, the low burn-through of avoiding of power, but easily produce oxidation because speed is slow.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:
As a modification of the present invention, treat that the position of laser facula welding is on overlap joint suture, described parameter is welded by the technological parameter of following setting; laser output power is 1700w; speed of welding is 6m/min, shield gas flow rate 5L/min, defocusing amount+25mm.After adopting this design, speed is fast, makes weld seam in high-temperature region time shorten, and solidification forming is very fast, so be difficult for oxidized.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
Treat that the position of laser facula welding is at overlap joint suture 0.2mm on the upper side, described parameter is welded by the technological parameter of following setting, and laser output power is 1700w, speed of welding 5.5m/min, shield gas flow rate 5L/min, defocusing amount+20mm.After adopting this design, can reduce the diameter in initial molten bath, can make weld penetration improve, angle welding round-corner transition is better, and speed of welding is very fast, saving and protection gas.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:
2,3,4 is visible by reference to the accompanying drawings, and a kind of fixture for laser welding of thin plate stainless steel angle welding, wherein mainly comprises: platform 1, copper pad 2, pressing plate 3, the first clamping plate 4, the second clamping plate 5, rapid fixture 7, packing ring 12, rapid fixture 7 is fixed on clamping plate 5 by fixture, and clamping plate 5 are fixed on platform 1 by fixture, copper pad 2 fixes on platform 1 by movable locating device, and pressing plate 6 is fixed on copper pad 2 by fixture.This device can position and fix corrosion resistant plate fast, reduces workman's operation easier, improves welding quality.
embodiment 7:
As a kind of improvement of the present utility model, described movable locating device is straight pin 9.After adopting this design, more convenient for the positioning action of same packing ring.All the other design features are identical with embodiment 1 with advantage.
embodiment 8:
As a kind of improvement of the present utility model, described fixture is screw 11.After adopting this design, each parts can be closely linked, and can not affect welding quality.All the other structures are identical with embodiment 1 with advantage.
embodiment 9:
As a kind of improvement of the present utility model, described platform comprises levelling bench and vertical platform, and its angle is 90 °.After adopting this design, can guarantee that corrosion resistant plate connection angle is 90 °.All the other structures are identical with embodiment 1 with advantage.
The present invention can also be combined into new embodiment by the technical characterictic described in embodiment 2,3,4,5 at least one and embodiment 1, and the present invention can also be combined into new embodiment by the technical characterictic described in embodiment 7,8,9 at least one and embodiment 6.
Concrete use procedure of the present invention is as follows: stainless sheet steel is placed on respectively on horizontal and vertical copper pad, horizontal copper pressing plate is pressed in respectively on stainless sheet steel with vertical copper pressing plate, regulate the lap position relation of two stainless sheet steels, horizontal stainless sheet steel is overlapped on 2/3 position of vertical Thin Stainless Steel plate thickness, then make two copper pressing plates be adjacent to respectively the stainless sheet steel of level and vertical direction at level and vertical direction, compress copper pressing plate by rapid fixture and bolt two stainless sheet steels are closely overlapped.Then lap-joint is welded.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being made up of above technical characterictic.
Claims (4)
1. the fixture for laser welding of a stainless sheet steel angle welding, wherein mainly comprise: platform (1), copper pad (2), pressing plate (3), the first clamping plate (4), the second clamping plate (5), rapid fixture (7), packing ring (12), it is characterized in that: rapid fixture (7) is fixed on clamping plate (5) by fixture, it is upper that clamping plate (5) are fixed on platform (1) by fixture, and it is upper that copper pad (2) fixes on platform (1) by movable locating device, and pressing plate (6) is fixed on copper pad (2) by fixture.
2. the fixture for laser welding of a kind of stainless sheet steel angle welding according to claim 1, is characterized in that: described movable locating device is straight pin (9).
3. the fixture for laser welding of a kind of stainless sheet steel angle welding according to claim 1 and 2, is characterized in that: described fixture is screw (11).
4. the fixture for laser welding of a kind of stainless sheet steel angle welding according to claim 1 and 2, is characterized in that: described platform comprises levelling bench and vertical platform, and its angle is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536961.5U CN203592236U (en) | 2013-08-31 | 2013-08-31 | Laser welding clamp of stainless steel sheet fillet weld |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320536961.5U CN203592236U (en) | 2013-08-31 | 2013-08-31 | Laser welding clamp of stainless steel sheet fillet weld |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203592236U true CN203592236U (en) | 2014-05-14 |
Family
ID=50673183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320536961.5U Expired - Lifetime CN203592236U (en) | 2013-08-31 | 2013-08-31 | Laser welding clamp of stainless steel sheet fillet weld |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203592236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790946A (en) * | 2017-11-30 | 2018-03-13 | 佛山职业技术学院 | A kind of clamping device of longitudinal beam |
| CN109175701A (en) * | 2018-10-30 | 2019-01-11 | 奔腾激光(温州)有限公司 | A kind of angle joint method for laser welding |
-
2013
- 2013-08-31 CN CN201320536961.5U patent/CN203592236U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790946A (en) * | 2017-11-30 | 2018-03-13 | 佛山职业技术学院 | A kind of clamping device of longitudinal beam |
| CN107790946B (en) * | 2017-11-30 | 2024-04-02 | 佛山职业技术学院 | Clamping device for frame longitudinal beam |
| CN109175701A (en) * | 2018-10-30 | 2019-01-11 | 奔腾激光(温州)有限公司 | A kind of angle joint method for laser welding |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103406667B (en) | Laser welding method of stainless steel sheet fillet weld and clamp thereof | |
| CN101323054B (en) | Electric conduction-stirring friction composite heat power supply welding method and equipment | |
| KR101257360B1 (en) | Welded steel pipe welded with a high energy density beam, and a manufacturing method therefor | |
| CN102294545B (en) | Laser penetration welding seam formation control method for Hass alloy conductive roller | |
| CN103252589A (en) | Laser-MAG (Metal-Active-Gas) compound welding method used for welding and splicing high-strength or ultrahigh-strength steel of thick plate | |
| CN103286444B (en) | Laser butt welding method of silicon steel sheet | |
| CN101733564A (en) | Laser-electric arc composite heat source high-speed welding method of ultrahigh strength steel | |
| CN105312741A (en) | TIP TIG welding method of LNG storage tanks | |
| CN107803593B (en) | high-frequency-laser wire filling composite welding device and method | |
| CN103464873B (en) | Electric-arc welding process for Ti alloy and nickel-base high-temperature alloy | |
| CN101249583A (en) | Magnesium alloy gas metal arc welding-non-melt pole shield-arc welding composite weld | |
| CN106735772A (en) | The device and method of the double arc automatic MIG weldering welding of aluminum alloy two-side | |
| CN103831533A (en) | Titanium alloy laser-MIG composite welding method | |
| CN102909479B (en) | Square long girder steel welding method | |
| CN203592236U (en) | Laser welding clamp of stainless steel sheet fillet weld | |
| CN109128444A (en) | Prevent the welding method and device of steam head plate welding deformation | |
| CN108544062A (en) | A kind of automatic welding method for welding of aluminium alloy sheet | |
| CN105033459A (en) | Intermetallic compound control method of steel/niobium laser welding joint | |
| CN101711192A (en) | Method and device for permanently interconnecting components from a heat-meltable metal material | |
| CN102848086A (en) | Method for improving strength and flexibility of super strength steel laser-arc hybrid welded joint | |
| CN107442920A (en) | A kind of thin-wall barrel high energy beam precision welding frock and welding method | |
| CN110614439A (en) | High-reflectivity material laser connection method and device | |
| CN110142511A (en) | A kind of method of low-alloy steel laser-MIG electric arc composite welding | |
| CN101934407A (en) | Current-assisted laser brazing method or laser fusion brazing method | |
| CN208961197U (en) | Prevent the welder of steam head plate welding deformation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161116 Address after: 210038 Jiangsu city of Nanjing province and the economic and Technological Development Zone Road No. 18 Patentee after: NANJING ZHONGKE RAYCHAM TECHNOLOGY Co.,Ltd. Address before: 210038 Jiangsu city of Nanjing province and the economic and Technological Development Zone Road No. 18 Patentee before: NANJING RAYCHAM LASER TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |