CN112077510A - Laser welding and welding following pressing device and method with coaxial protection function - Google Patents
Laser welding and welding following pressing device and method with coaxial protection function Download PDFInfo
- Publication number
- CN112077510A CN112077510A CN202010850610.6A CN202010850610A CN112077510A CN 112077510 A CN112077510 A CN 112077510A CN 202010850610 A CN202010850610 A CN 202010850610A CN 112077510 A CN112077510 A CN 112077510A
- Authority
- CN
- China
- Prior art keywords
- welding
- laser welding
- annular
- air
- protection function
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention provides a laser welding and welding following compressing device with a coaxial protection function and a method thereof. The coaxial protection air nozzle comprises an annular air nozzle and a built-in circular tube, the annular air nozzle is arranged in a circular cavity of the connecting block and the pressing block, the annular air nozzle can blow out protection air in the circumferential direction of 360 degrees, and the built-in circular tube can eliminate the influence of negative pressure formed by the air knife on the protection air. By adopting the combined device, the protection problem of the welding line with a complex track in the laser welding process can be solved; the problem that local deformation causes overlarge assembly clearance in the butt joint or lap joint welding process of the thin plates can be solved, and particularly in the automatic laser welding process, the stability of the welding process and the quality of a welding seam are obviously improved.
Description
Technical Field
The invention relates to the field of welding equipment, in particular to a laser welding and welding-following pressing device with a coaxial protection function and a method.
Background
The laser welding technology has the advantages of high welding speed, small heat input, small heat affected zone, small deformation and good welding quality, is easy to realize automation of the welding process, is widely applied to the aerospace field, and is particularly suitable for welding lightweight structures such as titanium alloy or aluminum alloy.
Skin skeleton structures are common lightweight structures in aerospace products. Aiming at welding of a titanium or aluminum alloy skin skeleton structure, on one hand, oxygen, hydrogen or nitrogen is very easy to be absorbed into a welding seam, the quality of the welding seam is influenced, and the mechanical property of a joint is reduced; on the other hand, the skin is usually a thin plate, and the skin is deformed due to local heating, so that the fit between the skin and the framework is influenced, and the stability of the welding process is further influenced. Aiming at the problem of weld joint protection, a side-blown shielding gas method is generally adopted to achieve the purpose of protecting the weld joint; and aiming at the problem of welding deformation, a tool is usually adopted for fixing, rigid constraint is carried out on a skin framework or a workpiece to be welded, and the assembly gap is ensured to meet the requirement of laser welding.
Patent document CN102059455B discloses a "laser bilateral synchronous welding system with skin-skeleton structure", where side-blown shielding gas is suitable for welding long straight weld seams, but in the welding process of complex trajectories, the side-blown shielding gas cannot change with the change of the posture of the laser processing head, and the weld seam protection effect is not good. Secondly, the skin skeleton can be ensured to be attached by adopting a rigid constraint method, the welding requirement is met, but the problem of interference between a laser processing head and a tool exists, the welding flexibility is deteriorated, the accessibility of a laser welding process is influenced, and particularly the realization of an automatic or intelligent welding process is hindered. Therefore, the welding-following pressing device with the coaxial protection function needs to be designed for protecting and flexibly pressing the welding seam with a complex track.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a laser welding pressing device and a laser welding pressing method with a coaxial protection function.
According to the invention, the laser welding pressing device with the coaxial protection function comprises: a coaxial protection air tap and a compression member;
coaxial protection air cock includes: the annular air tap 3 and the built-in circular tube 2;
the annular air tap 3 comprises an outer tube 11, an inner tube 12, a connecting piece 13 and two end face sealing rings 10;
the outer pipe 11, the inner pipe 12 and the two end face sealing rings 10 together form an annular inner cavity 16;
the built-in circular tube 2 is arranged in the inner tube 12;
the connecting piece 13 is arranged on the outer wall of the outer tube 11 and divides the annular air faucet 3 into an upper part and a lower part;
first air outlet holes 14 are circumferentially distributed at the lower parts of the inner pipe 12 and the outer pipe 11, second air outlet holes 15 are distributed on an end face sealing ring 10 at the lower end of the annular air faucet 3, and an air inlet hole 9 is formed in the outer wall of the upper part of the outer pipe 11;
the pressing member includes: the connecting block 1 and the pressing block 4;
the connecting block 1 is sleeved on the upper part of the annular air faucet 3 and is fixed on the connecting sheet 13;
the pressing block 4 is sleeved at the lower part of the annular air faucet 3 and is fixed on the connecting sheet 13;
an air inlet 91 is arranged on the connecting block 1 and corresponds to the position of the air inlet 9.
Preferably, the connecting block 1, the pressing block 4, the annular air tap 3 and the built-in circular tube 2 are coaxially assembled;
a connecting block circular cavity 18 is arranged between the connecting block 1 and the annular air faucet 3, and a pressing block circular cavity 19 is arranged between the pressing block 4 and the annular air faucet 3.
Preferably, the upper end surface of the compression block 4 is uniformly provided with flange-type metal bulbs 5 in an annular distribution manner, and the lower end surface of the compression block 4 is uniformly provided with compact-type metal bulbs 6 in an annular distribution manner.
Preferably, threaded holes 20 are uniformly and annularly formed in the upper end surface of the pressing block 4, and the flange-type metal ball 5 and the compact-type metal ball 6 are mounted in the threaded holes 20.
Preferably, the upper end of the built-in circular tube 2 is provided with an extension part extending radially outwards, and the extension part is connected with an end face sealing ring 10 at the upper end of the annular air faucet 3 in a sealing mode.
Preferably, the lower end of the built-in circular tube 2 does not cover the first air outlet hole 14 of the inner tube 12.
Preferably, the first air outlets 14 of the inner tube 12 and the outer tube 11 are opposite to each other and uniformly distributed on the corresponding circumference.
Preferably, the second air outlet holes 15 on the end face sealing ring 10 at the lower end of the annular air faucet 3 are uniformly distributed.
According to the laser welding pressing method with the coaxial protection function provided by the invention, the laser welding pressing device with the coaxial protection function is adopted to carry out laser welding pressing with welding according to any one of claims 1 to 8.
Preferably, the method comprises the steps of:
s1: moving a mechanical arm according to the laser welding process requirement, adjusting the defocusing amount of laser, and performing teaching programming along a welding seam track;
s2: the welding-following pressing device with the coaxial protection function is arranged at the tail end of a laser processing head or on a connecting support;
s3: in the laser welding process, after being emitted by a laser processing head, a laser beam passes through the built-in circular tube 2 and acts on the surface of a piece to be welded;
air is supplied to the air inlet hole 9, and the annular protective gas is blown out by the first air outlet hole 14 and the second air outlet hole 15 together and moves along with the movement of the laser spot.
Compared with the prior art, the invention has the following beneficial effects:
the annular air nozzle can realize 360-degree annular air blowing, the protective air is not influenced by the posture of the laser processing head, and the protection of the welding line with the complex track can be realized.
The influence of the negative pressure formed by the air knife on the protective gas can be eliminated by the built-in circular tube.
The flange type and compact metal ball heads have certain elasticity, are circumferentially and uniformly distributed, can solve the problem that the assembly gap is enlarged due to local deformation in the laser welding process of a thin plate structure, ensure that the assembly gap of a skin framework or a workpiece meets the welding requirement, and realize flexible rolling.
By adopting the welding-following compaction method with the coaxial protection function, the laser welding stability and the production efficiency can be obviously improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is an exploded view of the present invention;
fig. 2 is a cross-sectional view of the present invention.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the invention. All falling within the scope of the present invention.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, a laser welding and welding following pressing device with a coaxial protection function includes a coaxial protection nozzle and a pressing member.
Coaxial protection air cock comprises annular air cock 3 and built-in pipe 2, and the annular air cock includes outer tube 11, inner tube 12, two upper and lower terminal surface sealing rings 10 and air cock connection piece 13, forms annular inner chamber 16 in the middle of inner tube 12 and the outer tube 11, and the first venthole 14 of lower extreme symmetric distribution, 15 sieve form ventholes of terminal surface sealing ring evenly distributed second venthole of lower terminal surface, be equipped with inlet port 9 on the outer tube 11, the equipment hole 8 that distributes on the connection piece 13 for the equipment hold-down member.
The pressing component comprises a connecting block 1, a pressing block 4, a flange type metal ball head 5 and a compact type metal ball head 6, a connecting hole 7, an assembling threaded hole 17 and an air inlet hole 91 are formed in the connecting block 1, and assembling holes 8 are distributed in the pressing block 4.
The middle of connecting block 1 and compact heap 4 is equipped with connecting block circular cavity 18 and compact heap circular cavity 19 respectively, with annular air cock 3 and the coaxial assembly of built-in pipe 2, and outer tube 11 closely cooperates with connecting block circular cavity 18, with compact heap shape inter-cavity 19 clearance fit, forms the protection air chamber.
The upper end face and the lower end face of the pressing block 4 are uniformly and annularly provided with threaded holes 20, and a flange type metal ball head 5 and a compact type metal ball head 6 are mounted respectively.
In the embodiment of the invention, the built-in circular tube 2 is tightly matched with the inner tube 12, the lower end face of the built-in circular tube 2 is 141 mm-3mm away from the first air outlet, and the diameter range of the middle through hole is 8mm-12mm, so that the influence of negative pressure formed by the air knife on the protective gas can be eliminated.
After the connecting block 1 is arranged at the tail end of the laser processing head or the connecting support, a screw penetrates through an assembling hole of the pressing block 4, an assembling hole of the connecting sheet 13 and an assembling threaded hole 17 to fasten the coaxial protection air nozzle and the pressing component, and the welding-following pressing device with the coaxial protection function is formed.
Changing the screwing-in depth of the assembling screw, and adjusting the distance between the connecting block 1 and the pressing block 4; changing the screwing depth of the flange type metal ball head to ensure that the flange type metal ball head 5 is attached to the lower end face of the connecting sheet 13, the upper end face of the connecting sheet 13 is attached to the lower end face of the connecting block 1, and the compact type metal ball head 6 is attached to the surface of a to-be-welded part; the rolling plane is ensured to be coincident with the plane to be welded, and the flexible rolling process is realized.
The invention also provides a laser welding-following compaction method with a coaxial protection function based on the device, which comprises the following steps:
s1: moving a mechanical arm according to the laser welding process requirement, adjusting the defocusing amount of laser, and performing teaching programming along a welding seam track;
s2: and the welding-following pressing device with the coaxial protection function is arranged at the tail end of the laser processing head or on the connecting bracket.
S3: after being emitted out by the laser processing head protective lens, the laser beam passes through the built-in circular tube 2 and directly acts on the surface of the piece to be welded; the coaxial protection air nozzle blows out annular protection gas, the annular protection gas and the pressing component move along with the movement of the laser facula, and the compact metal ball head 6 rolls on the surface of a to-be-welded part.
Although the present invention has been described with reference to specific embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. The utility model provides a laser welding is with welding closing device with coaxial protect function which characterized in that includes: a coaxial protection air tap and a compression member;
coaxial protection air cock includes: an annular air nozzle (3) and a built-in circular tube (2);
the annular air tap (3) comprises an outer tube (11), an inner tube (12), a connecting piece (13) and two end face sealing rings (10);
the outer pipe (11), the inner pipe (12) and the two end face sealing rings (10) jointly form an annular inner cavity (16);
the built-in circular tube (2) is arranged in the inner tube (12);
the connecting piece (13) is arranged on the outer wall of the outer pipe (11) and divides the annular air faucet (3) into an upper part and a lower part;
first air outlet holes (14) are circumferentially distributed at the lower parts of the inner pipe (12) and the outer pipe (11), second air outlet holes (15) are distributed on an end face sealing ring (10) at the lower end of the annular air faucet (3), and an air inlet hole (9) is formed in the outer wall of the upper part of the outer pipe (11);
the pressing member includes: the connecting block (1) and the pressing block (4);
the connecting block (1) is sleeved on the upper part of the annular air faucet (3) and is fixed on the connecting sheet (13);
the compressing block (4) is sleeved at the lower part of the annular air faucet (3) and is fixed on the connecting sheet (13);
an air inlet hole (91) is formed in the connecting block (1) and corresponds to the air inlet hole (9).
2. The laser welding press device with coaxial protection function as claimed in claim 1, characterized in that the connecting block (1), the pressing block (4), the annular gas nipple (3) and the built-in circular tube (2) are coaxially assembled;
the connecting block is characterized in that a connecting block circular cavity (18) is arranged between the connecting block (1) and the annular air faucet (3), and a pressing block circular cavity (19) is arranged between the pressing block (4) and the annular air faucet (3).
3. The laser welding and welding-following pressing device with the coaxial protection function according to claim 1, characterized in that the upper end surface of the pressing block (4) is uniformly provided with flange-type metal bulbs (5) in an annular distribution manner, and the lower end surface of the pressing block (4) is uniformly provided with compact metal bulbs (6) in an annular distribution manner.
4. The laser welding press with coaxial protection function as claimed in claim 3, characterized in that the upper end face of the pressing block (4) is uniformly and circumferentially opened with a threaded hole (20), and the flange type metal ball head (5) and the compact type metal ball head (6) are installed in the threaded hole (20).
5. The laser welding pressing device with coaxial protection function as claimed in claim 1, characterized in that the upper end of the built-in circular tube (2) has an extension part extending radially outwards, and the extension part is connected with an end face sealing ring (10) at the upper end of the annular gas nipple (3) in a sealing mode.
6. The laser welding press with coaxial protection as claimed in claim 1, characterized in that the lower end of the built-in circular tube (2) does not cover the first air outlet hole (14) of the inner tube (12).
7. The laser welding pressing device with coaxial protection function as claimed in claim 1, characterized in that the first air outlets (14) of the inner tube (12) and the outer tube (11) are opposite to each other and evenly distributed on the corresponding circumference.
8. The laser welding pressing device with the coaxial protection function as claimed in claim 1, characterized in that the second air outlet holes (15) on the end face sealing ring (10) at the lower end of the annular air nozzle (3) are uniformly distributed.
9. A laser welding and welding pressing method with a coaxial protection function, which is characterized in that the laser welding and welding pressing device with the coaxial protection function of any one of claims 1 to 8 is adopted to carry out laser welding and welding pressing.
10. The laser welding press-on-weld method with coaxial protection function according to claim 9, characterized in that the method comprises the steps of:
s1: moving a mechanical arm according to the laser welding process requirement, adjusting the defocusing amount of laser, and performing teaching programming along a welding seam track;
s2: the welding-following pressing device with the coaxial protection function is arranged at the tail end of a laser processing head or on a connecting support;
s3: in the laser welding process, laser beams penetrate through the built-in circular tube (2) after being emitted by a laser processing head and act on the surface of a piece to be welded;
and air is fed into the air inlet hole (9), and the first air outlet hole (14) and the second air outlet hole (15) together blow out annular protective gas which moves along with the movement of the laser facula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850610.6A CN112077510B (en) | 2020-08-21 | 2020-08-21 | Laser welding and welding following pressing device and method with coaxial protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010850610.6A CN112077510B (en) | 2020-08-21 | 2020-08-21 | Laser welding and welding following pressing device and method with coaxial protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112077510A true CN112077510A (en) | 2020-12-15 |
| CN112077510B CN112077510B (en) | 2022-03-25 |
Family
ID=73728521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010850610.6A Active CN112077510B (en) | 2020-08-21 | 2020-08-21 | Laser welding and welding following pressing device and method with coaxial protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112077510B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2806763A1 (en) * | 2000-03-21 | 2001-09-28 | Sagem | DOUBLE BALL BEARING COMPOSITE BEARING, METHOD FOR MOUNTING THE SAME, AND TOOL FOR MAKING A PAIR OF RINGS THEREOF |
| US20020008090A1 (en) * | 2000-05-09 | 2002-01-24 | Koichi Mukasa | Laser welding method and a laser welding apparatus |
| US20060060304A1 (en) * | 2002-10-02 | 2006-03-23 | Jie-Wei Chen | Method and device for joining workpieces made from plastic in three-dimensional form by means of a laser beam |
| DE102009048519A1 (en) * | 2009-10-07 | 2011-04-14 | Minebea Co., Ltd. | Hydrodynamic bearing for a spindle motor, comprises stationary bearing bushes, a shaft rotatably arranged coaxial to the bearing bushes, a bearing gap, which is filled with a bearing fluid, and a pressure plate with the shaft |
| CN103846561A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Laser stitch welding combined compressing device |
| CN104690425A (en) * | 2013-12-04 | 2015-06-10 | 中国科学院沈阳自动化研究所 | Double-beam laser synchronous welding method for titanium alloy wallboard and rib strip through T-shaped joint |
| CN105927674A (en) * | 2016-06-22 | 2016-09-07 | 朱德伟 | Spherical hinge transmission shaft |
| CN106903432A (en) * | 2017-05-08 | 2017-06-30 | 哈尔滨工业大学（威海） | Based on the laser assembly solder device and its control method that are rolled with weldering |
| CN207407964U (en) * | 2017-10-31 | 2018-05-25 | 上海万珠电气有限公司 | A kind of compact type radar level gauge |
| CN108161305A (en) * | 2017-12-29 | 2018-06-15 | 京信通信系统（中国）有限公司 | Fixing means before the weldering of coaxial cable |
| CN207681726U (en) * | 2017-12-30 | 2018-08-03 | 江苏亚威机床股份有限公司 | A kind of laser welding coaxial annular air blowing protector |
| CN108581238A (en) * | 2018-04-10 | 2018-09-28 | 威克锐光电科技（苏州）有限公司 | A kind of compressing apparatus for laser beam welding and compress welding method |
| CN109128425A (en) * | 2017-06-28 | 2019-01-04 | 上汽通用汽车有限公司 | The flexible retinue fixture system of roof laser soldering and car roof method for laser welding |
| CN109865935A (en) * | 2019-04-03 | 2019-06-11 | 西安飞机工业（集团）有限责任公司 | A kind of weld seam front protecting device of Titanium Laser Welding and guard method |
-
2020
- 2020-08-21 CN CN202010850610.6A patent/CN112077510B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2806763A1 (en) * | 2000-03-21 | 2001-09-28 | Sagem | DOUBLE BALL BEARING COMPOSITE BEARING, METHOD FOR MOUNTING THE SAME, AND TOOL FOR MAKING A PAIR OF RINGS THEREOF |
| US20020008090A1 (en) * | 2000-05-09 | 2002-01-24 | Koichi Mukasa | Laser welding method and a laser welding apparatus |
| US20060060304A1 (en) * | 2002-10-02 | 2006-03-23 | Jie-Wei Chen | Method and device for joining workpieces made from plastic in three-dimensional form by means of a laser beam |
| DE102009048519A1 (en) * | 2009-10-07 | 2011-04-14 | Minebea Co., Ltd. | Hydrodynamic bearing for a spindle motor, comprises stationary bearing bushes, a shaft rotatably arranged coaxial to the bearing bushes, a bearing gap, which is filled with a bearing fluid, and a pressure plate with the shaft |
| CN103846561A (en) * | 2012-11-30 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Laser stitch welding combined compressing device |
| CN104690425A (en) * | 2013-12-04 | 2015-06-10 | 中国科学院沈阳自动化研究所 | Double-beam laser synchronous welding method for titanium alloy wallboard and rib strip through T-shaped joint |
| CN105927674A (en) * | 2016-06-22 | 2016-09-07 | 朱德伟 | Spherical hinge transmission shaft |
| CN106903432A (en) * | 2017-05-08 | 2017-06-30 | 哈尔滨工业大学（威海） | Based on the laser assembly solder device and its control method that are rolled with weldering |
| CN109128425A (en) * | 2017-06-28 | 2019-01-04 | 上汽通用汽车有限公司 | The flexible retinue fixture system of roof laser soldering and car roof method for laser welding |
| CN207407964U (en) * | 2017-10-31 | 2018-05-25 | 上海万珠电气有限公司 | A kind of compact type radar level gauge |
| CN108161305A (en) * | 2017-12-29 | 2018-06-15 | 京信通信系统（中国）有限公司 | Fixing means before the weldering of coaxial cable |
| CN207681726U (en) * | 2017-12-30 | 2018-08-03 | 江苏亚威机床股份有限公司 | A kind of laser welding coaxial annular air blowing protector |
| CN108581238A (en) * | 2018-04-10 | 2018-09-28 | 威克锐光电科技（苏州）有限公司 | A kind of compressing apparatus for laser beam welding and compress welding method |
| CN109865935A (en) * | 2019-04-03 | 2019-06-11 | 西安飞机工业（集团）有限责任公司 | A kind of weld seam front protecting device of Titanium Laser Welding and guard method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112077510B (en) | 2022-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101954536B (en) | Method for welding minor-diameter nozzle and aluminum alloy thin-walled structure | |
| CN206382700U (en) | A kind of combined type dead axle shoulder friction stir welding tool | |
| CN103231168B (en) | Device for vacuum laser welding | |
| CN107309530B (en) | Austenitic stainless steel sheet TIG welds welding seam back protection frock | |
| CN109834396A (en) | Composite tooling and thrust chamber welding procedure for thrust chamber welding | |
| CN112077510B (en) | Laser welding and welding following pressing device and method with coaxial protection function | |
| CN113634892B (en) | Laser welding device and method for thin-wall corrugated membrane for aerospace capsule | |
| CN106670640B (en) | A kind of electro-beam welding method suitable for thin walled cover minor diameter ring flange | |
| CN103551717B (en) | The welding method of the multistage girth joint of middle thin-walled variable diameters Al-alloy casing | |
| CN112139688B (en) | Metal plastic laser welding is along with welding system that rolls | |
| CN104551552A (en) | Thermally-formed wheel manufacturing method | |
| CN105537743B (en) | Micro-plasma arc welding rifle | |
| CN210413043U (en) | Air curtain and coaxial protective gas device | |
| CN110842359A (en) | Metal sheet is along with welding gaseous self-adaptation cooling type laser welding device | |
| CN110405348A (en) | A kind of multi-faceted system of processing and method based on laser impact technology | |
| CN101670498B (en) | Groove process and tooling for restricting welding deformation of aluminum alloy thin-wall ball and flange | |
| CN111058033B (en) | Underwater powder feeding and wire feeding combined laser cladding head and processing method thereof | |
| CN207189308U (en) | A kind of removable plain type main shaft circular spraying device | |
| CN216204507U (en) | Combined liquid separator and air conditioner | |
| CN108024437A (en) | Petal accelerator with integral vacuum box | |
| CN207128282U (en) | Perimeter Truss Reflector plumb joint | |
| US4431018A (en) | Reverse buckling rupture disk apparatus and manufacturing methods | |
| CN2225928Y (en) | Multifunctional projection welding torch | |
| CN112846508A (en) | Laser processing method and welding tool for diaphragm capsule | |
| CN107931833B (en) | Weld actuating station in aluminium alloy sheet T connector laser welding robot's arm end |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |