CN112548322A - Double-beam laser welding equipment - Google Patents
Double-beam laser welding equipment Download PDFInfo
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- CN112548322A CN112548322A CN202011324324.2A CN202011324324A CN112548322A CN 112548322 A CN112548322 A CN 112548322A CN 202011324324 A CN202011324324 A CN 202011324324A CN 112548322 A CN112548322 A CN 112548322A
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- lens
- collimating
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- laser welding
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 13
- 230000001681 protective effect Effects 0.000 claims description 20
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 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
- B23K26/20—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
- B23K26/02—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
- B23K26/046—Automatically focusing the laser beam
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/067—Dividing the beam into multiple beams, e.g. multifocusing
-
- 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
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/073—Shaping the laser spot
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a double-beam laser welding device, which mainly comprises: the device comprises an air knife device (1), a focusing device (2), a spacing adjusting device (3), an energy adjusting mechanism (4), a motor position transmission module (5), a collimating device (6) and an optical fiber interface component (7), wherein the air knife device (1), the focusing device (2), the spacing adjusting device (3), the energy adjusting mechanism (4), the motor position transmission module (5), the collimating device (6) and the optical fiber interface component (7) are sequentially connected from bottom to top; the double-beam laser welding equipment disclosed by the invention is simple in structure and convenient to operate, can improve the forming quality of a welding seam, can effectively reduce the content of air holes in the welding seam, can meet the welding requirements of plates with different thicknesses, can meet the requirements of plates made of different materials, and can improve the gap adaptability.
Description
Technical Field
The invention relates to the field of laser welding, in particular to double-beam laser welding equipment.
Background
At present, a plurality of manufacturers with double-focus welding head heads on the market are available, the function that the distance of a foreign double-focus welding head can only adjust light spots is single, and the energy and the position of the separated light spots are not adjustable. Along with the reduction of the purchase cost of the laser in the market and the continuous increase of the welding quality requirements of users on products, the application of laser welding in the industrial field is gradually increased, and the use amount of nonferrous metals such as aluminum alloy and the like is increased under the encouragement of the policy of energy conservation and emission reduction. For the welding of nonferrous metals, the risk of pores existing after welding is high, and the defects of easy generation of cracks and the like need to face different working conditions, so the prior art needs to be improved.
Disclosure of Invention
The invention aims to provide a double-beam laser welding device, which solves the problems mentioned in the background technology.
The present invention is achieved as such, a dual beam laser welding apparatus mainly comprising: the device comprises an air knife device, a focusing device, a spacing adjusting device, an energy adjusting mechanism, a motor position transmission module, a collimating device and an optical fiber interface assembly, wherein the air knife device, the focusing device, the spacing adjusting device, the energy adjusting mechanism, the motor position transmission module, the collimating device and the optical fiber interface assembly are sequentially connected from bottom to top.
The further technical scheme of the invention is as follows: the focusing device mainly comprises: the focusing lens is arranged in the focusing shell and is far away from one end of the air knife device, and the protective lens is arranged in the focusing shell and is close to one end of the air knife device.
The further technical scheme of the invention is as follows: the distance adjusting device mainly comprises: adjust casing, micrometer, spring pin, microscope base, beam split lens and general stopper and seal the lubricating piece and combine to form, the microscope base with adjust the connection of shells inner wall, the beam split lens sets up on the microscope base, the spring pin sets up adjust shells inner wall and with the microscope base cooperation is connected, the micrometer sets up adjust on the casing and with the microscope base cooperation is connected, general stopper seals the lubrification piece setting and is in the microscope base with between the beam split lens.
The further technical scheme of the invention is as follows: the energy regulating mechanism mainly comprises: the adjustable lens comprises an adjusting shell, an adjusting lens seat and a spectroscope, wherein the adjusting lens seat is arranged in the adjusting shell, and the spectroscope is arranged on the adjusting lens seat.
The further technical scheme of the invention is as follows: and a window display is arranged on the adjusting shell.
The further technical scheme of the invention is as follows: the motor position transmission module mainly comprises: the vacuum speed reducer is electrically connected with the control module.
The further technical scheme of the invention is as follows: the collimation device mainly comprises: the collimating lens seat is arranged in the collimating lens shell, the collimating lens is arranged in the collimating lens seat and close to one end of the motor position transmission module, and the second protection lens is arranged in the collimating lens seat and originally at one end of the motor position transmission module.
The invention has the beneficial effects that: the double-beam laser welding equipment disclosed by the invention is simple in structure and convenient to operate, can improve the forming quality of a welding seam, can effectively reduce the content of air holes in the welding seam, can meet the welding requirements of plates with different thicknesses, can meet the requirements of plates made of different materials, and can improve the gap adaptability; the laser head adopts an internal optical module to realize double-focus welding of a welding line, the double-focus welding joint can realize adjustable focus distance through an internal adjusting mechanism, when the welding line is larger, the welding quality can be obviously improved by adjusting the spot distance, and the double-spot energy can be adjusted through a mechanical adjusting structure; the double-focus position can be adjusted by adding the motor transmission module, so that the welding requirements of different welding seams can be met, and the double-focus welding head disclosed by the invention can be used for welding special welding of different use scenes, different materials and the like, so that the welding effect is more stable and the quality is more excellent.
Drawings
Fig. 1 is a schematic view of the overall structure of a dual-beam laser welding apparatus according to the present invention;
fig. 2 is a spacing adjustment device of a dual-beam laser welding apparatus provided by the present invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching the disclosure of the present specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions of the present invention, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
The first embodiment is as follows: fig. 1-2 show a dual-beam laser welding apparatus mainly composed of: the device comprises an air knife device 1, a focusing device 2, a spacing adjusting device 3, an energy adjusting mechanism 4, a motor position transmission module 5, a collimating device 6 and an optical fiber interface component 7, wherein the air knife device 1, the focusing device 2, the spacing adjusting device 3, the energy adjusting mechanism 4, the motor position transmission module 5, the collimating device 6 and the optical fiber interface component 7 are sequentially connected from bottom to top; the focusing device 2 is mainly composed of: the focusing lens is arranged in the focusing shell and is far away from one end of the air knife device 1, and the protective lens is arranged in the focusing shell and is close to one end of the air knife device 1; the spacing adjustment device 3 is mainly composed of: the microscope comprises an adjusting shell, a micrometer 301, a spring pin 302, a microscope base 303, a beam splitter lens 304 and a universal plug seal lubricating piece 305, wherein the microscope base 303 is connected with the inner wall of the adjusting shell, the beam splitter lens 304 is arranged on the microscope base 303, the spring pin 302 is arranged on the inner wall of the adjusting shell and is in fit connection with the microscope base 303, the micrometer 301 is arranged on the adjusting shell and is in fit connection with the microscope base 303, and the universal plug seal lubricating piece 305 is arranged between the microscope base 303 and the beam splitter lens 304; the energy adjusting mechanism 4 is mainly composed of: the adjustable lens seat is arranged in the adjustable shell, and the spectroscope is arranged on the adjustable lens seat; a window display is arranged on the adjusting shell; the motor position transmission module 5 mainly comprises: the vacuum speed reducer is electrically connected with the control module; the collimating means 6 are mainly composed of: the collimating lens seat is arranged in the collimating lens shell, the collimating lens is arranged in the collimating lens seat and close to one end of the motor position transmission module 5, and the second protection lens is arranged in the collimating lens seat and originally at one end of the motor position transmission module 5.
The focusing device comprises a focusing lens and a first protective lens, the focusing lens is arranged in a focusing shell, the focusing shell is provided with a water-cooling flow channel, the focusing lens is positioned between the bifocal distance adjusting device and the first protective lens, the first protective lens is arranged on a protective lens seat which can be quickly inserted and pulled out, and the first protective lens is positioned between the air knife and the focusing; the distance adjusting device is a bifocal adjusting device, the module comprises a shell, a spectroscope, a lens base body, a spring pin, a universal plug seal and a lubricating sheet, the lens is arranged in a moving lens base, the universal plug seal is arranged above the lens base, the lubricating sheet is arranged below the moving lens base, the moving lens base finishes the movement by pushing the moving lens base by a micrometer, the spring plunger is arranged in the other direction of the lens base to compensate the jacking force of the micrometer, and the shell is provided with a water cooling flow channel; the energy adjusting mechanism comprises an adjusting shell, an adjusting lens seat, a spectroscope, two ball plungers, a lubricating sheet, a window and the like, wherein the spectroscope is arranged in the lens seat, the lubricating sheet is arranged above and below the lens seat, the two ball plungers are arranged on the shell, copper passes through the ball plungers to adjust the lens seat, the lens seat can move left and right, the window is arranged on an external shell, and the adjusting position is observed through the window; the motor position transmission module is internally provided with a hollow speed reducing motor, a motor cover, a motor driver, a programmable electric control box, a connecting cable and the like. The lower part of the hollow motor is connected with the upper part of the energy adjusting mechanism and is connected with the collimating mirror shell through an adapter piece, the back of the adapter piece is connected with a mounting back plate of a welding head through a screw, and a hollow motor position transmission module drives a bifocal distance adjusting device and a focusing device air knife to integrally move; the collimating and protecting lens shell is internally provided with a lens seat, a collimating lens and a second protecting lens, the collimating lens is arranged in the collimating shell, the shell is connected below through a screw, the protecting lens shell is arranged above the motor adaptor, the second protecting lens is arranged in the collimating lens seat which can be inserted and pulled out, the second protecting lens and the collimating lens seat are arranged in the collimating shell, and a water cooling plate is arranged above the collimating shell; the fiber optic interface assembly 7 includes: the optical fiber connector, the interface connection piece, the water-cooling board.
A dual beam laser welding apparatus includes an emitted laser beam energy level adjustment; adjusting the distance between the laser double focuses within the range of 0-4 mm; the relative position of the laser spot can be rotated by 360 degrees, and a programmable controller is provided to set 8 position points. The double-focus welding laser head is connected to a protective mirror shell through an optical fiber interface thread from top to bottom, the protective mirror shell is connected to a collimating mirror shell through a screw, the collimating mirror shell is connected to a motor rotating module through a screw, the rotating motor module is connected to a light splitting module through a screw, the light splitting module is connected to a focusing shell through a screw, the focusing shell is connected to the protective mirror shell through a screw, and the protective mirror shell is connected to an air knife device through a screw. More closely, the optical fiber connector is incident into the head through the optical fiber interface of the laser head, the optical fiber connector is firstly installed on a pluggable protective lens seat through a protective lens, the protective lens can be quickly replaced, the optical beam reaches a collimating lens through the protective lens to be shaped and collimated, a hollow rotating motor module is arranged below the collimated light beam module, the light beam is collimated and finally split through two beam splitters, a mechanical structure is added on the first beam splitter, the beam splitter seat is adjusted through two fine tooth ball plungers on the left side and the right side to change the left and the right direction of a lens so as to change the light beam energy of laser, a rotating mechanism is added on the second beam splitter to change the distance of light spots, the optical path is focused through downwards reaching a focusing lens, the cleaning degree of the lens on the focusing lens is protected by a protective lens arranged below the focusing lens, and the protective lens can be quickly replaced on the quickly pluggable protective lens seat, under the protective glass is an air knife that protects the inner lens from cleaning.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A dual-beam laser welding apparatus, characterized in that it is mainly composed of: the device comprises an air knife device (1), a focusing device (2), a spacing adjusting device (3), an energy adjusting mechanism (4), a motor position transmission module (5), a collimating device (6) and an optical fiber interface component (7), wherein the air knife device (1), the focusing device (2), the spacing adjusting device (3), the energy adjusting mechanism (4), the motor position transmission module (5), the collimating device (6) and the optical fiber interface component (7) are sequentially connected from bottom to top.
2. A dual-beam laser welding apparatus according to claim 1, characterized in that said focusing means (2) are mainly composed of: the focusing lens is arranged in the focusing shell and is far away from one end of the air knife device (1), and the protective lens is arranged in the focusing shell and is close to one end of the air knife device (1).
3. A dual-beam laser welding apparatus according to claim 1, characterized in that said spacing adjustment means (3) are mainly composed of: adjust casing, micrometer (301), spring pin (302), mirror seat (303), beam split lens (304) and general stopper and seal moist slider (305) and form in combination, mirror seat (303) with adjust the connection of shells inner wall, beam split lens (304) set up on mirror seat (303), spring pin (302) set up adjust shells inner wall and with mirror seat (303) cooperation is connected, micrometer (301) set up adjust on the casing and with mirror seat (303) cooperation is connected, general stopper seals moist slider (305) set up mirror seat (303) with between the beam split lens (304).
4. A dual-beam laser welding apparatus according to claim 1, characterized in that the energy adjusting mechanism (4) is mainly composed of: the adjustable lens comprises an adjusting shell, an adjusting lens seat and a spectroscope, wherein the adjusting lens seat is arranged in the adjusting shell, and the spectroscope is arranged on the adjusting lens seat.
5. A dual beam laser welding apparatus as claimed in claim 4 wherein said adjustment housing is provided with a window display.
6. A dual-beam laser welding apparatus according to claim 1, characterized in that said motor position transmission module (5) is mainly composed of: the vacuum speed reducer is electrically connected with the control module.
7. A dual-beam laser welding apparatus according to claim 1, characterized in that said collimating means (6) are mainly composed of: the collimating lens seat is arranged in the collimating lens shell, the collimating lens is arranged in the collimating lens seat and close to one end of the motor position transmission module (5), and the second protection lens is arranged in the collimating lens seat and originally at one end of the motor position transmission module (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324324.2A CN112548322A (en) | 2020-11-23 | 2020-11-23 | Double-beam laser welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011324324.2A CN112548322A (en) | 2020-11-23 | 2020-11-23 | Double-beam laser welding equipment |
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| Publication Number | Publication Date |
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| CN112548322A true CN112548322A (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011324324.2A Pending CN112548322A (en) | 2020-11-23 | 2020-11-23 | Double-beam laser welding equipment |
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| CN (1) | CN112548322A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119035751A (en) * | 2024-10-31 | 2024-11-29 | 嘉强(上海)智能科技股份公司 | Multi-focus laser head |
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