CN110640312A - Novel universal head handheld laser welding gun - Google Patents
Novel universal head handheld laser welding gun Download PDFInfo
- Publication number
- CN110640312A CN110640312A CN201910920717.0A CN201910920717A CN110640312A CN 110640312 A CN110640312 A CN 110640312A CN 201910920717 A CN201910920717 A CN 201910920717A CN 110640312 A CN110640312 A CN 110640312A
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- Prior art keywords
- component
- reflector
- mirror
- gun
- steering
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- 238000003466 welding Methods 0.000 title claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000003287 optical effect Effects 0.000 claims description 12
- 238000007664 blowing Methods 0.000 abstract description 7
- 239000000428 dust Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/14—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
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/12—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure
- B23K26/123—Working by laser beam, e.g. welding, cutting or boring in a special atmosphere, e.g. in an enclosure in an atmosphere of particular gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
-
- 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)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a novel universal-head handheld laser welding gun, wherein two steering reflector components which are mutually rotatably connected are arranged between a collimating mirror component and a focusing reflector component, a gun nozzle component is arranged on the outer side of a protective mirror component, one end of the gun nozzle component is connected with a protective gas pipe, the other end of the gun nozzle component is in an arc-shaped structure at the outlet of a light emitting channel, the steering reflector component comprises a right-angle shell provided with a light channel and a reflector which is arranged in the light channel and performs right-angle reflection on the light channel, the right-angle shell is rotatably connected with the collimating mirror component and the focusing reflector component, a gun handle component is arranged on the focusing reflector component, and a protective component which protects the light emitting channel is arranged on the protective mirror component; according to the invention, the steering mechanism is added on the basis of the existing laser welding gun, the structure of the gun nozzle part is changed, the steering freedom degree of the cable connection part is increased, the blowing direction of shielding gas is changed, welding dust is prevented from entering the light emitting channel to stick to the shielding mirror part, the optical fiber cable is prevented from being broken due to the swinging of the cable, and the working efficiency is improved.
Description
The technical field is as follows:
the invention relates to the field of laser welding, in particular to a novel universal-head handheld laser welding gun.
Background art:
laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. Laser welding is one of the important aspects of the application of laser material processing techniques. The 20 th century and the 70 th century are mainly used for welding thin-wall materials and low-speed welding, and the welding process belongs to a heat conduction type, namely, the surface of a workpiece is heated by laser radiation, the surface heat is diffused inwards through heat conduction, and the workpiece is melted to form a specific molten pool by controlling parameters such as the width, the energy, the peak power, the repetition frequency and the like of laser pulses. Due to the unique advantages, the welding method is successfully applied to the precise welding of micro and small parts.
Present handheld laser welder: as shown in fig. 1 and 2 (attached fig. 1 and 2 in the description), a gas protection channel and a light emitting channel are a channel, welding dust splashing is easily reflected back to the channel, and therefore a protective mirror part is damaged; secondly, the optical fiber cable is fixed with the gun body, the swinging freedom degree of the cable is small and the flexibility is poor in the practical process, and the optical fiber cable is greatly crimson and is easy to break.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: overcome prior art's not enough, through increase steering mechanism and change its rifle mouth part structure on current laser welder's basis, increase the degree of freedom that turns to of cable junction, change shielding gas blowing direction, prevent that welding dirt sediment from getting into light and penetrate the passageway and glue the protection mirror part and avoid leading to the handheld laser welder of novel universal head of optic fibre optical cable rupture because of the cable swing.
The technical scheme of the invention is as follows: the utility model provides a novel handheld laser welder of universal head, includes optical fiber cable part, collimating mirror part, focus speculum part, protection mirror part and rifle mouth part, optical fiber cable part, collimating mirror part, focus speculum part, protection mirror part and rifle mouth part connect gradually and form current conventional curved handheld laser welder, characterized by: a rotating mechanism for realizing the steering of the collimating mirror component and the focusing reflector component is arranged between the collimating mirror component and the focusing reflector component, the gun nozzle component is arranged outside the protective mirror component, one end of the gun nozzle component is connected with a protective gas pipe, and the other end of the gun nozzle component is of an arc-shaped structure at the outlet of a light emitting channel.
Furthermore, the rotating mechanism is two steering mirror parts which are mutually and rotationally connected.
Furthermore, the steering reflector component comprises a right-angle shell provided with an optical channel and a reflector arranged in the optical channel and used for reflecting the optical path at right angles, and the right-angle shell is rotatably connected with the collimating mirror component and the focusing reflector component.
Further, a gun handle component is arranged on the focusing reflector component, and a protective component for protecting the light emitting channel is arranged on the protective mirror component.
The invention has the beneficial effects that:
1. according to the invention, the steering mechanism is added on the basis of the existing laser welding gun, the structure of the gun nozzle part is changed, the steering freedom degree of the cable connection part is increased, the blowing direction of shielding gas is changed, welding dust is prevented from entering the light emitting channel to stick to the shielding mirror part, the optical fiber cable is prevented from being broken due to the swinging of the cable, and the working efficiency is improved.
2. The invention sets two turning reflector parts which are mutually connected in a rotating way between the collimating mirror part and the focusing reflector part, thereby realizing two-degree-of-freedom rotating connection of the collimating mirror part and the focusing reflector part, and simultaneously, the turning reflector part is provided with a reflector for reflecting the light path at right angle, so that the collimating mirror part and the focusing reflector part can rotate in multiple directions without influencing the light path conduction, and in the actual use process, the focusing reflector part can be twisted greatly in a large angle and a large amplitude under the state that the optical fiber cable does not need to swing greatly, thereby avoiding the damage of the optical fiber cable.
3. According to the invention, the gun nozzle part is arranged on the outer side of the focusing reflector part, the nozzle structure (in an arc structure) of the gun nozzle part is changed, the blowing direction of the shielding gas is changed, the flow direction of the shielding gas is changed into a side blowing state, and welding dust and slag can not enter the light emitting channel and can not stick to the protective lens part, so that the protective lens part is injured.
Description of the drawings:
fig. 1 is a schematic structural diagram of a conventional handheld laser welding gun.
Fig. 2 is a schematic structural diagram of a conventional handheld laser welding gun during welding.
Fig. 3 is a schematic structural diagram of the present application.
Fig. 4 is a schematic view of a rotary structure of the present application.
The specific implementation mode is as follows:
example (b): referring to fig. 1, 2, 3 and 4, there are shown 1-a fiber optic cable assembly, 2-a collimating mirror assembly, 3-a focusing mirror assembly, 4-a gun handle assembly, 5-a protective mirror assembly, 6-a shielding assembly, 7-a gun nozzle assembly, 8-a protective air tube, 9-a steering mirror assembly; the device comprises an a-gun nozzle part, a b-protective mirror part, a c-light emitting channel, d-protective gas, an e-laser beam, f-welding dust slag, a g-focusing reflecting lens, an h-collimating mirror part and an i-optical fiber cable part.
Novel handheld laser welder of universal head sets up the reflection of light mirror part 9 that turns to that two rotation are connected between collimating mirror part 2 and the focusing reflection of light mirror part 3 among current laser welder, increases the degree of freedom that turns to of cable junction to change the structure of its rifle mouth part 7, become independent passageway separately for a passageway by gas shielded channel and light passageway, change protective atmosphere blowing direction, prevent that welding dirt from getting into light passageway and gluing the protection mirror part and avoiding leading to the rupture of optic fibre optical cable because of the cable swing.
The present application will be described in detail below with reference to examples and the accompanying drawings.
The optical fiber cable component 1 is fixedly connected with the collimating mirror component 2, the collimating mirror component 2 is connected with the focusing reflector component 3 through a rotating mechanism (two degrees of freedom), the focusing reflector component 3 is fixedly connected with the protective mirror component 5, a gun handle component 4 is arranged on the focusing reflector component 3, and a protective component 6 for protecting a light emitting channel is arranged on the protective mirror component 5.
The rotating mechanism is two steering reflector parts 9 which are mutually rotatably connected, each steering reflector part 9 comprises a right-angle shell provided with an optical channel and a reflector which is arranged in the optical channel and used for performing right-angle reflection on the optical path, and the right-angle shell, the collimating mirror part 2 and the focusing reflector part 3 are rotatably connected.
The light reflecting part is a right-angle reflecting mirror, belongs to a standard optical accessory and reflects laser to change the propagation path of the laser.
When the welding gun is used, a user holds the gun handle part 4, the focusing reflector part 3 rotates in two degrees of freedom through the two steering reflector parts 9 according to the states of weld beads, the weld beads in different states are welded, and protective gas sprayed out of the gun nozzle part 7 is in a side blowing state under the action of the arc-shaped structure, so that welding dust and slag can move to one side and cannot enter a light emitting channel to be adhered to the protective lens part, and the protective lens part is injured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still fall within the scope of the technical solution of the present invention.
Claims (4)
1. The utility model provides a novel handheld laser welder of universal head, includes optical fiber cable part, collimating mirror part, focus speculum part, protection mirror part and rifle mouth part, optical fiber cable part, collimating mirror part, focus speculum part, protection mirror part and rifle mouth part connect gradually and form current conventional curved handheld laser welder, characterized by: a rotating mechanism for realizing the steering of the collimating mirror component and the focusing reflector component is arranged between the collimating mirror component and the focusing reflector component, the gun nozzle component is arranged outside the protective mirror component, one end of the gun nozzle component is connected with a protective gas pipe, and the other end of the gun nozzle component is of an arc-shaped structure at the outlet of a light emitting channel.
2. The new universal-head hand-held laser welding gun according to claim 1, characterized in that: the rotating mechanism is two steering reflector components which are mutually connected in a rotating way.
3. The new universal-head hand-held laser welding gun according to claim 2, characterized in that: the steering reflector component comprises a right-angle shell provided with an optical channel and a reflector arranged in the optical channel and used for reflecting the optical path at right angles, and the right-angle shell is rotatably connected with the collimating mirror component and the focusing reflector component.
4. The new universal-head hand-held laser welding gun according to claim 1, characterized in that: the focusing reflector component is provided with a gun handle component, and the protecting mirror component is provided with a protecting component for protecting the light-emitting channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920717.0A CN110640312A (en) | 2019-09-27 | 2019-09-27 | Novel universal head handheld laser welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910920717.0A CN110640312A (en) | 2019-09-27 | 2019-09-27 | Novel universal head handheld laser welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110640312A true CN110640312A (en) | 2020-01-03 |
Family
ID=69011625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910920717.0A Pending CN110640312A (en) | 2019-09-27 | 2019-09-27 | Novel universal head handheld laser welding gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110640312A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235566A (en) * | 2020-02-24 | 2020-06-05 | 上海多木实业有限公司 | Handheld laser cladding welding set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150266130A1 (en) * | 2012-10-19 | 2015-09-24 | Ipg Photonics Corporation | Hand maneuverable welding gun |
| CN105414745A (en) * | 2015-12-23 | 2016-03-23 | 华中科技大学 | Replaceable two-coordinate laser machining head of multi-axis numerical control machining system for preventing optical fiber from winding |
| CN105798457A (en) * | 2016-05-25 | 2016-07-27 | 上海嘉强自动化技术有限公司 | Two-axis three-dimensional laser head for processing of complex curved surfaces |
| CN205614194U (en) * | 2016-05-11 | 2016-10-05 | 台州市菲克激光设备有限公司 | Hand -held type laser welding gun |
| CN210677343U (en) * | 2019-09-27 | 2020-06-05 | 河南勤工机器人有限公司 | Universal head hand-held laser welding gun |
-
2019
- 2019-09-27 CN CN201910920717.0A patent/CN110640312A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150266130A1 (en) * | 2012-10-19 | 2015-09-24 | Ipg Photonics Corporation | Hand maneuverable welding gun |
| CN105414745A (en) * | 2015-12-23 | 2016-03-23 | 华中科技大学 | Replaceable two-coordinate laser machining head of multi-axis numerical control machining system for preventing optical fiber from winding |
| CN205614194U (en) * | 2016-05-11 | 2016-10-05 | 台州市菲克激光设备有限公司 | Hand -held type laser welding gun |
| CN105798457A (en) * | 2016-05-25 | 2016-07-27 | 上海嘉强自动化技术有限公司 | Two-axis three-dimensional laser head for processing of complex curved surfaces |
| CN210677343U (en) * | 2019-09-27 | 2020-06-05 | 河南勤工机器人有限公司 | Universal head hand-held laser welding gun |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111235566A (en) * | 2020-02-24 | 2020-06-05 | 上海多木实业有限公司 | Handheld laser cladding welding set |
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