CN115156706A - Handheld laser welding device with double wire feeding structures - Google Patents
Handheld laser welding device with double wire feeding structures Download PDFInfo
- Publication number
- CN115156706A CN115156706A CN202210868806.7A CN202210868806A CN115156706A CN 115156706 A CN115156706 A CN 115156706A CN 202210868806 A CN202210868806 A CN 202210868806A CN 115156706 A CN115156706 A CN 115156706A
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- Prior art keywords
- wire
- wire feeding
- guide
- fixing block
- welding
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- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 103
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052802 copper Inorganic materials 0.000 claims abstract description 24
- 239000010949 copper Substances 0.000 claims abstract description 24
- 230000009977 dual effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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
- 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
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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 handheld laser welding device with a double wire feeding structure, which comprises a welding gun assembly, a double wire feeding wire guide pipe assembly and a copper nozzle matched with the double wire feeding wire guide pipe assembly for use, wherein the double wire feeding wire guide pipe assembly is movably connected with the welding gun assembly, the copper nozzle is arranged on a scale connecting pipe of the welding gun assembly, the double wire feeding wire guide pipe assembly comprises a fixed block, a fixed block cover, a wire guide pipe and a wire feeding hose, the wire guide pipe is arranged in a cavity of the fixed block, one end of the wire guide pipe is connected with the wire feeding hose, and the fixed block cover is connected with the fixed block through a screw. The invention adopts a mode of simultaneously conveying two welding wires, improves the width and the stacking height of a welding seam by more than one time on the basis of the traditional wire filling welding, and enlarges the application scene of the hand-held laser welding.
Description
Technical Field
The invention relates to the technical field of auxiliary structures of welding machines, in particular to a handheld laser welding device with a double wire feeding structure.
Background
Laser welding machines, also commonly called laser welding machines, are machines used in material processing laser welding. In laser welding, high-energy laser pulses are used for locally heating materials in micro-areas, energy radiated by laser is diffused into the materials through heat conduction, and the materials are melted to form a specific molten pool. The novel welding mode is mainly used for welding thin-wall materials and precise parts, spot welding, butt welding, stitch welding, seal welding and the like can be realized, the depth-width ratio is high, the width of a welding seam is small, a heat affected zone is small, deformation is small, the welding speed is high, the welding seam is flat and attractive, processing is not needed or only needs to be simply processed after welding, the welding seam is high in quality, free of air holes, capable of being accurately controlled, small in focusing light spot, high in positioning accuracy and easy to realize automation, and the novel welding mode is generally divided into a handheld mode and an integrated mode.
The existing laser welding machine on the market can only output one welding wire generally, and in the laser filler wire welding of hand-held welding, the width and the stacking height of a welding seam are limited by the thickness of a single welding wire and are limited by the material performance that most welding wires have the diameter not exceeding 2.0mm.
Therefore, a handheld laser welding device with a double wire feeding structure is designed to solve the problems.
Disclosure of Invention
The invention aims to provide a handheld laser welding device with a double wire feeding structure aiming at the defects in the prior art so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a handheld laser welding device with a double wire feeding structure comprises a welding gun component, a double wire feeding and guiding pipe component and a copper nozzle matched with the double wire feeding and guiding pipe component, wherein the double wire feeding and guiding pipe component is movably connected with the welding gun component, and the copper nozzle is inserted into a welding head of the welding gun component;
the double-wire feeding guide pipe assembly comprises a fixing block, a fixing block cover, a guide wire pipe and a wire feeding hose, wherein the inner cavities of the fixing block and the fixing block cover are internally provided with a herringbone guide wire hole, the double-hole end of the guide wire hole is connected with the wire feeding hose, and the single-hole end is connected with the guide wire pipe.
As a preferred scheme of the invention, the inner cavities of the fixed block and the fixed block are respectively provided with a herringbone wire guide groove with a semicircular section, and a herringbone wire guide hole with a circular section is obtained after the fixed block and the fixed block are assembled.
As a preferable scheme of the invention, a connecting block for movably connecting with a welding gun assembly is arranged on the outer side wall of the fixing block cover.
As the preferable scheme of the invention, the wire feeding hose adopts a spring pipe, and the outside of the spring pipe is sleeved with a rubber sheath.
As a preferable scheme of the invention, the copper nozzle is a double wire feeding copper nozzle and comprises a connecting pipe, a sleeve and a wire feeding guide head, wherein the connecting pipe is connected with a welding head of the welding assembly, one end of the sleeve is sleeved on the connecting pipe, and the other end of the wire feeding guide head is welded on one end of the sleeve far away from the connecting pipe.
As a preferred scheme of the invention, the connecting pipe and the sleeve are both straight pipes, and the cross section of the wire feeding guide head is in a 3 shape.
As a preferable scheme of the invention, the whole shape of the fixed block is tower-shaped, and the fixed block is a cuboid with the thickness of 13mmx13mmx24mm, and a hole is arranged in the bottom of the tower and is used for placing a wire guide pipe.
As the preferable scheme of the invention, the outer shell of the welding gun assembly is provided with a lug connected with the connecting block, and the lug and the connecting block are connected through a rotating shaft.
As a preferred scheme of the invention, the middle part of the fixing block is 60mm high and 6mm thick, the diameter phi of the semicircular wire guide groove in the shape of a Chinese character 'ren' is designed to be 2.5, and a full-circle wire guide hole is formed after the fixing block is assembled with a fixing cover and is used for folding two welding wires.
As a preferable scheme of the invention, the U-shaped structure at the upper part of the connecting block is fixed with the gun body through a bolt, and the symmetrical plane of the U-shaped structure is coplanar with the symmetrical plane of the gun body.
Compared with the prior art, the invention provides a handheld laser welding device with a double wire feeding structure, which has the following beneficial effects:
the invention adopts a mode of simultaneously conveying two welding wires, improves the width and the pile height of a welding seam by more than one time on the basis of the traditional filler wire welding, and enlarges the application scene of the handheld laser welding.
Drawings
Fig. 1 is a schematic overall structural diagram of a handheld laser welding device with a dual wire feeding structure according to the present invention;
FIG. 2 is a schematic structural view of a dual wire feeding guide tube assembly of a handheld laser welding device with a dual wire feeding structure according to the present invention;
FIG. 3 is a cross-sectional view of a dual wire feed guide tube assembly of a handheld laser welding device having a dual wire feed structure according to the present invention;
fig. 4 is a schematic structural diagram of a copper nozzle of a handheld laser welding device with a dual wire feeding structure according to the present invention;
fig. 5 is a side view of a copper nozzle of a handheld laser welding device with a dual wire feeding structure according to the present invention.
In the figure: 1 welding gun assembly;
2, a copper nozzle, a 21 connecting pipe, a 22 sleeve and a 23 wire feeding guide head;
3 double wire feeding guide wire tube component, 31 fixed block, 32 fixed block cover, 33 guide wire tube and 34 wire feeding hose, 35 connecting block and 36 welding wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A handheld laser welding device with a double wire feeding structure comprises a welding gun component 1, a double wire feeding guide pipe component 3 and a copper nozzle 2 matched with the double wire feeding guide pipe component 3, wherein the double wire feeding guide pipe component 3 is movably connected with the welding gun component 1, the copper nozzle 2 is inserted into a welding head of the welding gun component 1, a convex block connected with a connecting block 35 is arranged on an outer shell of the welding gun component 1, and the convex block and the connecting block are connected through a rotating shaft;
the double wire feeding guide wire pipe assembly 3 comprises a fixed block 31, a fixed block cover 32, a guide wire pipe 33 and a wire feeding hose 34, the guide wire pipe 33 is arranged in an inner cavity of the fixed block 31, one end of the guide wire pipe 33 is connected with the wire feeding hose 34, the fixed block cover 32 is connected with the fixed block 31 through screws, two guide wire pipes 33 are arranged in the inner cavity of the fixed block 31, the two guide wire pipes 33 are arranged in the inner cavity of the fixed block 31 in a herringbone shape, a wire feeding hose 34 is arranged at the feed end of each guide wire pipe 33, the wire feeding hose 34 is in threaded connection with the fixed block 31, a connecting block 35 which is movably connected with the welding gun assembly 1 is arranged on the outer side wall of the fixed block cover 32, the spring hose 34 is made of a spring pipe, a rubber sheath is sleeved outside the spring pipe 34, the middle of the fixed block 31 is 60mm high and 6mm thick, the semicircular groove with the herringbone shape is designed to be 2.5, the guide wire pipe is assembled with the fixed block 32 to form a whole circular guide wire hole for folding two welding wires, the upper portion of the connecting block 35 is fixed with a gun body through bolts, the U-shaped structure, the U-shaped symmetrical surface and the fixed block is a tower bottom of a rectangular parallelepiped 13mmx, and the rectangular parallelepiped for placing the guide wire pipe 33.
The copper nozzle 2 is a double wire feeding copper nozzle, the structure of the copper nozzle is integrally formed, and the copper nozzle can be divided into a connecting pipe 21, a sleeve 22 and a wire feeding guide head 23 according to functions, wherein the connecting pipe 21 is connected with a scale connecting pipe of the welding assembly 1, the other end of the connecting pipe 21 is the sleeve 22, the sleeve 22 is positioned between the connecting pipe 21 and the wire feeding guide head 23, the whole copper nozzle can be regarded as a conical pipe with a small end 23 and a large end 21, and the cross section of the wire feeding guide head 23 is in a shape like a Chinese character '3'.
The double wire feeding guide wire assembly 3 is composed of five parts, namely a fixed block 31, a fixed block cover 32, a guide wire tube 33, a wire feeding hose 34 and a connecting block 35, and the structure is shown in fig. 2.
The fixing block 31 has a tower shape as a whole. The tower bottom is a cuboid with 13mmx13mmx24mm, and a hole is arranged in the tower bottom and is used for connecting a wire feeding pipe. The interface part of the silk guide hole (A) is of a two-concentric-round-hole structure with a stepped cross section for fixing a double-layer silk feeding pipe, two interfaces are symmetrically arranged, wherein the diameter phi of a large round hole is 10.0mm and the depth is 7.0mm, an outer rubber layer of the silk feeding pipe is contained, the diameter phi of a small round hole is 6.2mm and the depth is 5.0mm, and a spring layer in the silk feeding pipe is contained. Through the screw hole, send a pipe with bolt locking, wherein the screw hole directly compresses tightly the metal spring pipe with the bolt, provides main restraint, and screw hole department bolt is extruded the outer cortex of two send a pipe to the fixed block 31 outside, prevents to rock. The tower top is a cuboid with the diameter of 10mmx10mmx13mm, is internally provided with a through hole with the cross section of 8 shape vertical to the welding wire direction, has the single circle size of phi 3.5, is used for installing a wire guide pipe 33, and is in compression connection with the wire guide pipe 33 through a bolt. The middle tower body is 60mm high and 6mm thick, a semicircular wire guide groove (a) with a herringbone shape is designed in the middle tower body, the diameter phi of the semicircular wire guide groove (a) is 2.5, the section of the semicircular wire guide groove is a groove with a herringbone shape, and a wire guide hole (A) with a full-circle section is formed after the semicircular wire guide groove and a fixed block cover 32 are assembled and used for folding two welding wires. Two threaded through holes C are designed on the central axis, and the fixing block cover 32, the fixing block 31 and the connecting block 35 are assembled together through screws. The fixed block cover 32 has a shape substantially identical to that of the tower body, and is symmetrical to the tower body with the parting surface as a boundary. And a semicircular groove shaped like a Chinese character 'ren' and a groove with the section of '3' are also formed. The U-shaped structure on the upper part of the connecting block 35 is fixed with the gun body through a bolt, the symmetrical plane of the U-shaped structure is coplanar with the symmetrical plane of the gun body, and two screw holes distributed on the axial line of the lower part have the same pitch as the hole pitch of the fixing block cover 32 and the fixing block 31. The wire guide pipe 33 is an 8-shaped long pipe with a section of section similar to that of two circles, the length of the long pipe is 35mm, the inner diameter of the circle is phi 2.5mm, and the 8-shaped design can enable two welding wires 36 to be close to each other as much as possible, and a single welding wire cannot provide too large space to shake. Finally, the fixing block cover 32, the fixing block 31 and the connecting block 35 are assembled by two bolts, and the wire guide pipe 33 is also assembled in a bolt fixing mode.
As shown in fig. 4-5, the welding wire 36 passes through the "double wire feeding guide tube" and then passes through the "double wire feeding copper nozzle", which is hereinafter referred to as "copper nozzle 2", the copper nozzle 2 is an integrated special-shaped tubular structure, the wire guiding nozzle is formed by beveling a circular ring at a single side with a vertical plane at an angle of 5 degrees to obtain a circular ring with a trapezoidal side view, a boss with a trapezoidal cross section parallel to the direction of the symmetric plane is designed on the circular ring, a groove with a shape like a Chinese character "3" in cross section perpendicular to the welding wire 36 is designed on the boss, the center of the 3 "is positioned on the symmetric plane and is used for controlling the advancing direction of the welding wire 36, and the oblique cross section is convenient for an operator to overlook and observe the welding point from the back top when the welding wire works.
The wire guide pipe 33 is of a symmetrical structure and is coplanar with the symmetry plane of the gun body through the connecting block 35, the cross section of the copper nozzle 2 perpendicular to the light direction and the light outlet hole are concentric circles and are coplanar with the symmetry plane of the gun body, when the welding wire guiding device is used, the contact point of two welding wires 36 of the same model is located at the center of the light outlet hole of the gun body, and when the double welding wires 36 are considered as a whole, the center of the welding wire 36 is located on the central line of a laser scanning area, so that all parts receive laser energy uniformly when a welding seam is melted and recrystallized, and the welding strength is guaranteed.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, principal features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a handheld laser welding device that possesses two wire drive feed structures, includes welding gun subassembly (1), two wire drive silk pipe subassemblies (3) and with two copper nozzles (2) that send silk drive silk pipe subassemblies (3) cooperation to use, its characterized in that: the double wire feeding guide pipe assembly (3) is movably connected with the welding gun assembly (1), and the copper nozzle (2) is inserted into a welding head of the welding gun assembly (1);
the double-wire feeding guide wire tube assembly (3) comprises a fixing block (31), a fixing block cover (32), a guide wire tube (33) and a wire feeding hose (34), wherein herringbone guide wire holes are jointly formed in inner cavities of the fixing block (31) and the fixing block cover (32), double-hole ends of the guide wire holes are connected with the wire feeding hose (34), single-hole ends of the guide wire holes are connected with the guide wire tube (33), and the fixing block cover (32) is connected with the fixing block (31) through screws.
2. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the wire guiding device is characterized in that a herringbone wire guiding groove with a semicircular section is respectively arranged in inner cavities of the fixing block (31) and the fixing block (32), a herringbone wire guiding hole with a circular section is obtained after the fixing block (31) and the fixing block cover (32) are assembled, the double-hole feeding end of the wire guiding hole is provided with a wire feeding hose (34), and the wire feeding hose (34) is connected with the fixing block (31) through threads.
3. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: and a connecting block (35) which is movably connected with the welding gun assembly (1) is arranged on the outer side wall of the fixed block cover (32).
4. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the wire feeding hose (34) adopts a spring tube, and a rubber sheath is sleeved outside the spring tube (34).
5. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: copper mouth (2) are two and send a copper mouth, and it includes connecting pipe (21), sleeve pipe (22) and send a guide head (23), and wherein connecting pipe (21) are connected with the scale connecting pipe of welding set (1), and the pot head of sleeve pipe (22) is on connecting pipe (21), and the other end welding that send a guide head (23) is served in one of keeping away from connecting pipe (22) in sleeve pipe (22).
6. The handheld laser welding device with a dual wire feeding structure according to claim 5, wherein: the connecting pipe (21) and the sleeve (22) are both straight pipes, and the cross section of the wire feeding guide head (23) is 3-shaped.
7. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the whole shape of the fixed block is tower-shaped and is a cuboid with 13mmx13mmx24mm, and a hole is formed in the bottom of the tower and used for placing a wire guide pipe (33).
8. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the welding gun assembly is characterized in that a protruding block connected with the connecting block (35) is arranged on the outer shell of the welding gun assembly (1), and the two are connected through a rotating shaft.
9. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the middle part of the fixing block (31) is 60mm high and 6mm thick, the diameter phi of the semicircular wire guide groove in the shape of a Chinese character 'ren' is designed in the fixing block, and a full-circle wire guide hole is formed after the fixing block is assembled with the fixing cover (32) and is used for folding two welding wires.
10. The handheld laser welding device with a dual wire feeding structure according to claim 1, wherein: the U-shaped structure on the upper part of the connecting block (35) is fixed with the gun body through a bolt, and the symmetrical plane of the U-shaped structure is coplanar with the symmetrical plane of the gun body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210868806.7A CN115156706A (en) | 2022-07-22 | 2022-07-22 | Handheld laser welding device with double wire feeding structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210868806.7A CN115156706A (en) | 2022-07-22 | 2022-07-22 | Handheld laser welding device with double wire feeding structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115156706A true CN115156706A (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210868806.7A Pending CN115156706A (en) | 2022-07-22 | 2022-07-22 | Handheld laser welding device with double wire feeding structures |
Country Status (1)
| Country | Link |
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| CN (1) | CN115156706A (en) |
Citations (10)
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|---|---|---|---|---|
| DE3445328A1 (en) * | 1984-12-12 | 1986-06-12 | Institut po Techničeska Kibernetika i Robotika, Sofia/Sofija | MODULAR WIRE FEEDER |
| WO2007028185A2 (en) * | 2005-09-09 | 2007-03-15 | Fronius International Gmbh | Welding torch with a fixing element for the gas nozzle, said element being capable of extension; process control method for a welding system equipped with said welding torch; gas nozzle for said welding torch; and contact tube for said welding torch |
| CN107225311A (en) * | 2017-06-27 | 2017-10-03 | 北京石油化工学院 | Double ignition tip double-wire welding guns of integral type |
| CN108788395A (en) * | 2018-06-22 | 2018-11-13 | 山东大学 | A kind of integral type TIG by the double wire feeds of sidewall symmetry welds nozzle and welding gun |
| CN213224740U (en) * | 2020-08-25 | 2021-05-18 | 无锡超强伟业科技有限公司 | Adjustable laser welding head |
| CN113458601A (en) * | 2021-07-02 | 2021-10-01 | 广东普电自动化科技股份有限公司 | Double wire feeding laser welding gun and welding method |
| CN215846327U (en) * | 2021-06-22 | 2022-02-18 | 苏州智光飞精密机械科技有限公司 | Welding nozzle for handheld laser welding machine |
| CN216065895U (en) * | 2021-10-22 | 2022-03-18 | 深圳市骐麟激光应用科技有限公司 | Hand-held type laser welding rifle with send a anchor clamps |
| CN216502860U (en) * | 2021-10-11 | 2022-05-13 | 深圳市铭镭激光设备有限公司 | Wire feeding device and laser welding head assembly |
| CN216780710U (en) * | 2021-12-06 | 2022-06-21 | 铭镭激光智能装备（河源）有限公司 | Wire feeding mechanism, laser welding head and welding equipment |
-
2022
- 2022-07-22 CN CN202210868806.7A patent/CN115156706A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3445328A1 (en) * | 1984-12-12 | 1986-06-12 | Institut po Techničeska Kibernetika i Robotika, Sofia/Sofija | MODULAR WIRE FEEDER |
| WO2007028185A2 (en) * | 2005-09-09 | 2007-03-15 | Fronius International Gmbh | Welding torch with a fixing element for the gas nozzle, said element being capable of extension; process control method for a welding system equipped with said welding torch; gas nozzle for said welding torch; and contact tube for said welding torch |
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