CN211072244U - Laser welding device based on dynamic combined light beam - Google Patents
Laser welding device based on dynamic combined light beam Download PDFInfo
- Publication number
- CN211072244U CN211072244U CN201921362241.5U CN201921362241U CN211072244U CN 211072244 U CN211072244 U CN 211072244U CN 201921362241 U CN201921362241 U CN 201921362241U CN 211072244 U CN211072244 U CN 211072244U
- Authority
- CN
- China
- Prior art keywords
- focusing
- mirror
- laser welding
- adjusting
- mount pad
- 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.)
- Active
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a laser welding device based on dynamic combination light beam, it includes collimating mirror, 45 speculum, energy beam splitter, speculum, first focusing mirror and second focusing mirror, and the laser emission beam passes through the collimating mirror 45 pass through again behind the speculum the energy beam splitter falls into vertical light beam and horizontal beam, vertical light beam passes through first focusing mirror focuses on welding position, the horizontal beam directive the speculum forms the oblique light beam of settlement angle and passes through again the second focusing mirror focuses on above-mentioned welding position. The utility model discloses can effectual reduction splash and the production of crackle, guarantee welding quality realizes that the welded joint surface is bright level and smooth.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of laser welding, especially, relate to a laser welding device based on dynamic combination light beam.
[ background of the invention ]
The application of galvanized plates, aluminum alloys, magnesium alloys and titanium alloys in the rail transit and automobile industries is very wide, and the technical problems of large welding deformation, poor performance of weld joints, low welding efficiency, high requirement on single laser welding assembly gaps, low welding efficiency of thick plates, difficult penetration welding and the like of the traditional arc welding exist at all. In particular, the problem of the large tendency of welding cracks of light materials aluminum and magnesium alloy has not been solved.
When the laser welding is carried out on galvanized plates, stainless steel and aluminum alloy materials, smoke and splash in the welding process are quite large. The optical lens is mainly damaged by splashing, and the smoke mainly blocks light, so that the laser energy is reduced, and the energy in the welding process is unstable. When the angle joint positions of galvanized plates, stainless steel and aluminum alloy are welded, the surface of a welding seam is difficult to weld brightly and smoothly.
In the prior art, a plurality of welding methods for reducing splashing and cracks are disclosed, for example, patent application No. CN201810356975.6 discloses an automatic welding method for aluminum alloy sheets, which performs welding groove pretreatment on a workpiece before welding, uniformly clamps the workpiece, shapes the workpiece after welding, ensures welding precision, reduces welding deformation, and improves the quality of a welding surface. Patent application No. CN201710605589.1 discloses a laser welding system, it divides into a plurality of facula focus with laser beam through the spectroscope, realizes with the preheating treatment of welding part to through temperature sensor real time monitoring molten bath temperature, adjust the laser instrument energy, reach the purpose that improves welding quality. However, the welding system or method cannot well solve the problems of welding spatter and poor brightness and unevenness of the welding surface of the workpieces such as galvanized plates, aluminum alloys, magnesium alloys and titanium alloys.
Therefore, it is desirable to provide a new laser welding device based on dynamic combined beam to solve the above problems.
[ Utility model ] content
The utility model discloses a main aim at provides a laser welding device based on dynamic combination light beam can effectual reduction splash and the production of crackle, and guarantee welding quality realizes that the welded joint surface is bright level and smooth.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a laser welding device based on dynamic combined beams comprises a collimating mirror, a 45-degree reflecting mirror, an energy beam splitting device, a reflecting mirror, a first focusing mirror and a second focusing mirror, wherein laser emission beams pass through the collimating mirror and the 45-degree reflecting mirror and then are split into vertical beams and horizontal beams by the energy beam splitting device, the vertical beams are focused to a welding part by the first focusing mirror, the horizontal beams emit to the reflecting mirror to form oblique beams with a set angle, and then the oblique beams are focused to the welding part by the second focusing mirror.
The energy beam splitter, the reflector, the first focusing mirror and the second focusing mirror are all fixed on a rotary mounting seat, and the rotary mechanism drives the rotary mounting seat to rotate.
Further, rotary mechanism includes the mounting panel, fixes servo motor on the mounting panel, rotatory mount pad passes through the bearing setting and is in on the mounting panel, just the fixed cover in circumference surface of rotatory mount pad is equipped with the synchronizing wheel, the synchronizing wheel pass through the hold-in range connect in servo motor's rotatory end receives servo motor drives and realizes rotatoryly.
Further, the 45-degree reflecting mirror is installed on an installation seat, the collimating mirror is installed on one side surface of the installation seat, the installation seat is opposite to the rotary mechanism, the installation seat is fixedly arranged and located above the rotary installation seat, and a camera for monitoring a welding position is fixedly arranged on the surface above the installation seat.
Further, the energy splitting device comprises a splitting lens and an adjusting unit for adjusting the transmittance and the reflectivity of the splitting lens.
Furthermore, the adjusting unit comprises a plurality of guiding positioning columns erected on the rotary mounting seat, a mounting plate which is slidably arranged on the guiding positioning columns and used for fixing the light splitting lens, a spring with one end abutting against one side surface of the lower part of the mounting plate and the other end abutting against the inner wall surface of the rotary mounting seat, and an adjusting screw with one end abutting against the other side surface of the upper part of the mounting plate and screwed on the rotary mounting seat through threads.
Furthermore, the device also comprises an angle adjusting mechanism which is arranged on the rotary mounting seat and is used for adjusting the reflecting mirror.
Further, angle adjustment mechanism includes that rotatable erects pivot on the rotatory mount pad, the tip of pivot stretches out rotatory mount pad surface and end fixing have a swivel head, the mount pad of speculum with pivot fixed connection is through rotatory the rotating head is realized the adjustment of speculum angle.
Furthermore, the first focusing lens and the second focusing lens are respectively arranged on a focusing adjusting device, and the focusing adjusting device is fixed on the rotary mounting seat.
Furthermore, the focusing adjusting device comprises a focusing lens barrel, the first focusing lens and the second focusing lens are mounted on the corresponding focusing lens barrel, an adjusting focusing lock head is arranged on the focusing lens barrel, and the adjusting focusing lock head is fixedly connected with the focusing lens mounting seat and can slide on the focusing lens barrel in parallel with the axis of the laser beam.
Compared with the prior art, the utility model relates to a laser welding device based on dynamic combination light beam's beneficial effect lies in: the light beam is divided into a vertical light beam and a horizontal light beam by arranging a spectroscope, the vertical light beam is reflected at a part to be welded through a focusing mirror, the horizontal light beam forms an oblique-angle light beam with a set angle through a reflector, then the horizontal light beam is reflected at the part to be welded through another focusing mirror, the reflector and the spectroscope are arranged on a rotating mechanism together, the situation that the oblique-angle light beam rotates around the vertical light beam is formed, and a dynamic combined light beam is formed to act on the part to be welded, so that the rotating light beam can assist and effectively inhibit splashing, air holes and cracks when the vertical light beam is welded deeply; on the other hand, the stable penetration and the molten pool can be obtained, thereby ensuring the brightness and the smoothness of the surface of the welding workpiece.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic top view of an energy splitting device according to an embodiment of the present invention;
FIG. 3 is a schematic perspective view of an energy beam splitter according to an embodiment of the present invention
Fig. 4 is a schematic structural diagram of an angle adjusting mechanism and a focus adjusting device in an embodiment of the present invention;
the figures in the drawings represent:
100 a laser welding device based on dynamic combined beams;
1, a collimating mirror; a 245 ° mirror; 3, an energy light splitting device, 31 light splitting lenses, 32 springs, 33 adjusting plates, 34 adjusting screws and 35 guiding positioning columns; 4, a reflector; 5 a first focusing mirror; 6 a second focusing mirror; 7 rotating mechanism, 71 mounting plate, 72 servo motor; 8, rotating the mounting seat; 9 angle adjusting mechanism, 91 rotating shaft and 92 rotating head; 10 mounting seats; 11 a camera; 12 focus adjusting device, 121 focus lens barrel, 122 adjusting focus lock.
[ detailed description ] embodiments
Example (b):
referring to fig. 1-4, the present embodiment is a laser welding apparatus 100 based on dynamic combined light beams, which includes a collimator 1, a 45 ° reflector 2, an energy beam splitter 3, a reflector 4, a first focusing mirror 5 and a second focusing mirror 6, wherein a laser emission beam passes through the collimator 1 and the 45 ° reflector 2 and then is split into a vertical light beam and a horizontal light beam by the energy beam splitter 3, the vertical light beam is focused to a welding location by the first focusing mirror 5, and the horizontal light beam is directed to the reflector 4 to form an oblique light beam with a set angle and then focused to the welding location by the second focusing mirror 6.
The embodiment further comprises a rotating mechanism 7, the energy beam splitter 3, the reflecting mirror 4, the first focusing mirror 5 and the second focusing mirror 6 are all fixed on a rotating mounting base 8, and the rotating mechanism 7 drives the rotating mounting base 8 to rotate.
The 45 degree reflector 2 is installed on a mounting seat 10, the collimating mirror 1 is installed on one side surface of the mounting seat 10 in an assembly mode, and the mounting seat 10 is fixedly arranged relative to the rotating mechanism 7 and is positioned above the rotating mounting seat 8. The fixed camera 11 that is provided with in top surface of mount pad 10 still can carry out real-time supervision to the welding seam, and the later stage also can install intelligent detection equipment additional and carry out the real-time detection of welding seam.
The rotating mechanism 7 comprises a mounting plate 71 and a servo motor 72 fixed on the mounting plate 71, the rotating mounting base 8 is arranged on the mounting plate 71 through a bearing, a synchronizing wheel (not marked in the figure) is fixedly sleeved on the circumferential surface of the rotating mounting base 8, the synchronizing wheel is connected to the rotating end of the servo motor 72 through a synchronous belt, and the synchronizing wheel is driven by the servo motor 72 to rotate.
The energy spectroscopic device 3 includes a spectroscopic lens 31 and an adjusting unit that adjusts the transmittance and reflectance of the spectroscopic lens 31. The adjusting unit comprises a plurality of guiding positioning columns 35 erected on the rotary mounting seat 8, a mounting plate 33 which is slidably arranged on the guiding positioning columns 35 and used for fixing the spectroscopic lens 31, a spring 32 of which one end abuts against one side surface of the lower part of the mounting plate 33 and the other end abuts against the inner wall surface of the rotary mounting seat 8, and an adjusting screw 34 of which one end abuts against the other side surface of the upper part of the mounting plate 33 and is screwed on the rotary mounting seat 8 through threads. The direction reference column 35 is provided with two pairs and sets up from top to bottom, can effectually prevent the lens distortion through direction reference column 35. The mounting plate 33 includes an inclined mounting surface to which the spectroscopic lens 31 is fixed, a first vertical mounting plate located at an upper portion, and a second vertical mounting plate located at a lower portion. The upper and lower guide positioning columns 35 respectively penetrate through the first vertical mounting plate and the second vertical mounting plate. The spring 32 bears against the second vertical mounting plate surface and the adjustment screw 34 bears against the first vertical mounting plate surface. The spring 32 is pressed to rebound; the left and right 40% of the light splitting lens 31 transmit 60% of reflection, and the energy transmittance and reflectivity can be adjusted by adjusting the left and right movement of the light splitting lens 31 through the adjusting screw 34. Through the four built-in guiding positioning columns 35, the lens can be effectively prevented from being distorted and inclined when sliding. The film layer of the light splitting lens is divided into two film surfaces through special treatment, the transmittance of the upper film to laser is 40%, the transmittance of the lower film to laser is 60%, and the position of the main laser beam in the upper film and the lower film determines the laser power distribution in two directions.
The present embodiment further includes an angle adjustment mechanism 9 provided on the rotary mount 8 and used for adjusting the reflecting mirror 4. The angle adjusting mechanism 9 may be a mechanism disclosed in the prior art as long as it can achieve adjustment of the lens angle. In this embodiment, the angle adjusting mechanism 9 includes the rotatable pivot 91 of erectting on rotatory mount pad 8, and the tip of pivot 91 stretches out rotatory mount pad 8 surface and end fixing has swivel head 92, and the mount pad and the pivot 91 fixed connection of speculum 4 realize the adjustment of speculum 4 angle through rotatory swivel head 92, and the central point of the speculum 4 after the guarantee adjustment is located the laser beam center pin.
The first focusing lens 5 and the second focusing lens 6 are both arranged on a focusing adjusting device 12, and the focusing adjusting device 12 is fixed on the rotary mounting base 8. The focus adjusting device 12 includes a focusing lens barrel 121, the first focusing lens 5 and the second focusing lens 6 are mounted on the corresponding focusing lens barrel 121, and the focusing lens barrel 121 is provided with an adjusting focus lock head 122. The focusing lock head 122 is fixedly connected with the focusing lens mounting seat and can slide on the focusing lens barrel 121 in parallel with the axis of the laser beam. The distance between the focusing lens and the reflecting mirror 4 or the splitting lens 31 can be adjusted by adjusting the focusing lock head 122, so that focusing is realized.
The present embodiment is a laser welding device 100 based on dynamic combined light beam, wherein the main laser emission beam is divided into a vertical beam and a horizontal beam after passing through a collimating mirror 1, a 45 ° reflector 2 and a beam splitting mirror 31, wherein the horizontal beam forms an oblique angle beam through a reflector 4 capable of adjusting the angle, and the oblique angle beam and the vertical beam are converged to perform laser irradiation on the part to be welded; meanwhile, the oblique light beam rotates around the vertical light beam to perform welding under the action of the rotating mechanism 7.
The laser welding device 100 based on dynamic combined beam has the advantages that:
1) energy distribution of vertical beams and oblique beams can be realized through the spectroscope, and debugging of process parameters is facilitated;
2) by arranging the angle adjusting device, the diameter and the defocusing amount of the annular light can be adjusted, and the form of the dynamic light beam is increased;
3) the integrated vision system can carry out visual observation on multiple tracks;
4) by arranging the rotating device and arranging the reflector for forming the split horizontal light beam into the light beam with the set angle and converging the vertical light beam on the rotating mechanism, the oblique light beam can rotate around the vertical light beam to stir the molten pool, and the splashing and the formation of air holes are effectively inhibited;
5) by arranging the combined dynamic light beam device, the stability of a molten pool is guaranteed.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides a laser welding device based on dynamic combination beam which characterized in that: the laser welding device comprises a collimating mirror, a 45-degree reflecting mirror, an energy light splitting device, a reflecting mirror, a first focusing mirror and a second focusing mirror, wherein a laser emission beam passes through the collimating mirror and the 45-degree reflecting mirror and then is split into a vertical beam and a horizontal beam by the energy light splitting device, the vertical beam is focused to a welding part by the first focusing mirror, the horizontal beam irradiates the reflecting mirror to form an oblique beam with a set angle, and then is focused to the welding part by the second focusing mirror.
2. The dynamic combined beam-based laser welding apparatus of claim 1, wherein: the energy beam splitter, the reflector, the first focusing mirror and the second focusing mirror are all fixed on a rotary mounting seat, and the rotary mounting seat is driven by the rotary mechanism to rotate.
3. The dynamic combined beam-based laser welding apparatus of claim 2, wherein: rotary mechanism includes the mounting panel, fixes servo motor on the mounting panel, rotatory mount pad passes through the bearing setting on the mounting panel, just the fixed cover in circumference surface of rotatory mount pad is equipped with the synchronizing wheel, the synchronizing wheel pass through the hold-in range connect in servo motor's rotatory end receives servo motor drive realizes rotatoryly.
4. The dynamic combined beam-based laser welding apparatus of claim 2, wherein: 45 speculum is installed on a mount pad, the collimating mirror is installed a side surface of mount pad, the mount pad is relative rotary mechanism is fixed to be set up and is located the top of rotatory mount pad, the top surface of mount pad still is fixed to be provided with the camera of monitoring welding position.
5. The dynamic combined beam-based laser welding apparatus of claim 2, wherein: the energy light splitting device comprises a light splitting lens and an adjusting unit for adjusting the transmittance and the reflectivity of the light splitting lens.
6. The dynamic combined beam-based laser welding apparatus of claim 5, wherein: the adjusting unit comprises a plurality of guide positioning columns erected on the rotary mounting seat, a spring and an adjusting screw, wherein the guide positioning columns are slidably arranged on the guide positioning columns and used for fixing the light splitting lens, the spring is used for supporting one side surface of the lower portion of the mounting plate and supporting the other end of the mounting plate on the inner wall surface of the rotary mounting seat, and the adjusting screw is used for supporting the other side surface of the upper portion of the mounting plate and screwed on the rotary mounting seat through threads.
7. The dynamic combined beam-based laser welding apparatus of claim 2, wherein: the angle adjusting mechanism is arranged on the rotary mounting seat and used for adjusting the reflecting mirror.
8. The dynamic combined beam-based laser welding apparatus of claim 7, wherein: the angle adjustment mechanism includes rotatable erects pivot on the rotatory mount pad, the tip of pivot stretches out rotatory mount pad surface and end fixing have a swivel head, the mount pad of speculum with pivot fixed connection is through rotatory the swivel head is realized the adjustment of speculum angle.
9. The dynamic combined beam-based laser welding apparatus of claim 2, wherein: the first focusing lens and the second focusing lens are respectively arranged on a focusing adjusting device, and the focusing adjusting device is fixed on the rotary mounting seat.
10. The dynamic combined beam-based laser welding apparatus of claim 9, wherein: the focusing adjusting device comprises a focusing lens barrel, the first focusing lens and the second focusing lens are mounted on the corresponding focusing lens barrel, an adjusting focusing lock head is arranged on the focusing lens barrel, and the adjusting focusing lock head is fixedly connected with the focusing lens mounting seat and can slide on the focusing lens barrel in parallel to the axis of the laser beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362241.5U CN211072244U (en) | 2019-08-21 | 2019-08-21 | Laser welding device based on dynamic combined light beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921362241.5U CN211072244U (en) | 2019-08-21 | 2019-08-21 | Laser welding device based on dynamic combined light beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211072244U true CN211072244U (en) | 2020-07-24 |
Family
ID=71640702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921362241.5U Active CN211072244U (en) | 2019-08-21 | 2019-08-21 | Laser welding device based on dynamic combined light beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211072244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524111A (en) * | 2019-08-21 | 2019-12-03 | 苏州迅镭激光科技有限公司 | A kind of laser soldering device based on dynamic combined light beam |
-
2019
- 2019-08-21 CN CN201921362241.5U patent/CN211072244U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110524111A (en) * | 2019-08-21 | 2019-12-03 | 苏州迅镭激光科技有限公司 | A kind of laser soldering device based on dynamic combined light beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111850541B (en) | Device and method for ultrahigh-speed laser cladding additive manufacturing | |
| CN107052580B (en) | Laser hybrid welding emergent device | |
| CN105414748B (en) | A kind of focus rotation and the laser soldering device of vertical vibration | |
| CN211072244U (en) | Laser welding device based on dynamic combined light beam | |
| CN110029345B (en) | Powder laser cladding device is sent in light | |
| CN110524111A (en) | A kind of laser soldering device based on dynamic combined light beam | |
| CN114633022A (en) | Red copper material double-beam composite laser welding device and method | |
| CN112548324A (en) | Laser welding method and apparatus for laser welding | |
| KR100828392B1 (en) | Device for laser welding | |
| CN213998253U (en) | Femtosecond laser taper hole processing system | |
| CN212286276U (en) | Beam expanding reflection assembly | |
| CN115592263B (en) | Welding head with circular light beam spot changing ring light beam and adjustable energy distribution | |
| CN106425096A (en) | Laser welding device | |
| CN103008883A (en) | Laser cutting method and device assisted with high-pressure water currents | |
| CN1277661C (en) | High-powder laser rotation scanning welding method | |
| CN105750727A (en) | Laser beam welding focal length determination device | |
| JP2000197982A (en) | Laser beam welding method and welding equipment | |
| CN107385436A (en) | Laser cladding device sealing structure, laser cladding device shower nozzle and laser cladding device | |
| CN208496067U (en) | Limited power wide cut laser welding head and laser-beam welding machine | |
| CN207824194U (en) | A kind of laser repair device preheated | |
| CN207155013U (en) | A kind of four-degree-of-freedom hybrid Laser-Arc Welding head device for mechanical hand | |
| JPS5947083A (en) | Welding method by high-energy beam | |
| CN218109629U (en) | Device for acquiring welding seam position based on vision | |
| CN2633494Y (en) | Swing double focus welding laser head | |
| CN218983556U (en) | Coaxial laser welding equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |