WO2022170618A1 - Solid laser total-reflection-adjustable welding device - Google Patents
Solid laser total-reflection-adjustable welding device Download PDFInfo
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- WO2022170618A1 WO2022170618A1 PCT/CN2021/076625 CN2021076625W WO2022170618A1 WO 2022170618 A1 WO2022170618 A1 WO 2022170618A1 CN 2021076625 W CN2021076625 W CN 2021076625W WO 2022170618 A1 WO2022170618 A1 WO 2022170618A1
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- Prior art keywords
- total reflection
- solid
- welding device
- state laser
- adjustable welding
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- 238000003466 welding Methods 0.000 title claims abstract description 27
- 239000007787 solid Substances 0.000 title abstract 5
- 239000013078 crystal Substances 0.000 claims abstract description 18
- 239000003990 capacitor Substances 0.000 claims abstract description 5
- 238000004146 energy storage Methods 0.000 claims abstract description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 3
- 229910052753 mercury Inorganic materials 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005086 pumping Methods 0.000 abstract 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- MUBKMWFYVHYZAI-UHFFFAOYSA-N [Al].[Cu].[Zn] Chemical compound [Al].[Cu].[Zn] MUBKMWFYVHYZAI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- B23K26/02—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
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
-
- 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
Definitions
- the invention relates to a solid-state laser total reflection adjustable welding device.
- Laser welding is a high-efficiency and precise welding method that uses a high-energy-density laser beam as a heat source.
- the YAG laser welding device uses Nd:YAG as the laser working substance, which is used for titanium, aluminum, copper, zinc, gold, silver, etc. welding. Since the crystal defects of the Nd:YAG crystal rod and insufficient cooling during operation all affect the beam quality, several Nd:YAG crystal rods are connected in series to improve the output power, but the number of components of the existing designed laser welding device The position and position are fixed and cannot be adjusted. When processing different materials, the output power cannot be adjusted and the best welding effect cannot be achieved.
- the present invention provides a solid-state laser total reflection adjustable welding device, which can adjust the position of the total reflection mirror as required to achieve the best welding effect.
- a solid-state laser total reflection adjustable welding device includes a solid-state laser, the solid-state laser comprises an elliptical-cylindrical condenser, a pump lamp is arranged on one focal line of the condenser, and at least one Nd:YAG crystal rod is arranged on the other of the condenser.
- the focal line two ends of the pump lamp are connected in parallel with a charging power supply and an energy storage capacitor, and the pump lamp is also provided with a trigger.
- a movable total reflection mirror the other end of the condenser is provided with a partial reflection mirror, the outer surface of the condenser is symmetrically provided with a sliding rail, and the two ends of the total reflection mirror are symmetrically arranged with a movable along the sliding rail Slider.
- the pump lamp is a xenon lamp or a high pressure mercury lamp.
- the number of the Nd:YAG crystal rods is 2-4.
- Nd:YAG crystal rods can be set according to the material to be welded, and then the total reflection mirror can be adjusted to a suitable position for welding to achieve the best welding effect.
- the output power of the overall device is also adjusted.
- FIG. 1 is a schematic structural diagram of a solid-state laser total reflection adjustable welding device of the present invention
- Fig. 2 is the right side view of Fig. 1;
- a solid-state laser total reflection adjustable welding device includes a solid-state laser
- the solid-state laser includes an elliptical-cylindrical condensing mirror 8
- a pump lamp 4 is arranged on a focal line of the condensing mirror 8, wherein,
- the pump lamp 4 may be a pump lamp 4 that emits continuously or a pump lamp 4 that emits pulsed light.
- At least one Nd:YAG crystal rod 7 is arranged on another focal line of the condenser lens 8, and the two ends of the pump lamp 4 are connected in parallel with a charging power source 1 and an energy storage capacitor 2, and the charging power source 1 is generally a high-voltage charging power source.
- the pump lamp 4 is also provided with a trigger 3, and one end (the left end in FIG. 1 ) of the condenser mirror 8 is provided with a movable total reflection mirror 11 corresponding to the Nd:YAG crystal rod 7.
- the total reflection mirror 11 The center corresponds to the focal line of the condenser lens 8 .
- the other end (the right end in FIG. 1 ) of the condenser mirror 8 is provided with a partial reflection mirror 6, which refracts the laser light 5 for welding.
- the outer surface of the condenser mirror 8 is symmetrically provided with a slide rail, and the full Two ends of the mirror 11 are symmetrically provided with sliding rods that can move along the sliding rails. As shown in FIG. 2, the outer surface of the condenser lens 8 is symmetrically arranged with
- the first slide rail 9 and the second slide rail 12, the two ends of the total reflection mirror 11 are symmetrically provided with a first slide bar 10 that can move along the first slide rail 9, and a second slide bar 10 that can move along the second slide rail 12.
- the slide bar 13, the first slide bar 10 and the second slide bar 13 are all L-shaped.
- the pump lamp 4 is a xenon lamp or a high pressure mercury lamp.
- the number of the Nd:YAG crystal rods 7 is 2-4, for example, the number of the Nd:YAG crystal rods 7 is three.
- Nd:YAG crystal rods can be set according to the material to be welded, and then the total reflection mirror can be adjusted to the appropriate position for welding to achieve the best welding effect.
- the output power of the overall device has also been adjusted, and the structure is better. Flexible and easy to adjust.
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Lasers (AREA)
- Laser Beam Processing (AREA)
Abstract
A solid laser total-reflection-adjustable welding device, comprising a solid laser means; the solid laser means comprises an elliptic cylindrical light condenser (8), a pumping lamp (4) is provided on one focal line of the light condenser (8), and at least one Nd: YAG crystal rod (7) is provided on the other focal line of the light condenser (8), two ends of the pumping lamp (4) are connected in parallel to a charging power source (1) and an energy storage capacitor (2), the pumping lamp (4) is further provided with a trigger (3), a movable total reflection mirror (11) corresponding to the Nd: YAG crystal rod (7) is provided on one end of the light condenser (8), and a partial reflection mirror (6) is provided on the other end of the light condenser (8), slide rails are symmetrically provided on the outer surface of the light condenser (8), and slide bars capable of moving along the slide rails are symmetrically provided on two ends of the total reflection mirror (11). By means of the solid laser total-reflection-adjustable welding device, the position of the total reflection mirror (11) can be adjusted as required to achieve an optimal welding effect.
Description
本发明涉及一种固体激光全反射可调焊接装置。The invention relates to a solid-state laser total reflection adjustable welding device.
激光焊接是利用高能量密度的激光束作为热源的一种高效精密焊接方法，其中YAG激光焊接装置以Nd：YAG作为产生激光工作物质，用于钛、铝、铜、锌、金、银等的焊接。由于Nd：YAG晶体棒的晶体缺陷和工作时冷却不足等因素均影响光束质量，因此多采用几只Nd：YAG晶体棒串联连接以提高输出功率，但现有设计的激光焊接装置各部件的数量和位置均是固定的，无法调节，在对不同材料进行加工时，输出功率无法调节，无法达到最佳的焊接效果。Laser welding is a high-efficiency and precise welding method that uses a high-energy-density laser beam as a heat source. The YAG laser welding device uses Nd:YAG as the laser working substance, which is used for titanium, aluminum, copper, zinc, gold, silver, etc. welding. Since the crystal defects of the Nd:YAG crystal rod and insufficient cooling during operation all affect the beam quality, several Nd:YAG crystal rods are connected in series to improve the output power, but the number of components of the existing designed laser welding device The position and position are fixed and cannot be adjusted. When processing different materials, the output power cannot be adjusted and the best welding effect cannot be achieved.
针对上述问题，本发明提供一种固体激光全反射可调焊接装置，可根据需要调节全反射镜的位置以达到最佳的焊接效果。In view of the above problems, the present invention provides a solid-state laser total reflection adjustable welding device, which can adjust the position of the total reflection mirror as required to achieve the best welding effect.
为实现上述技术目的，达到上述技术效果，本发明通过以下技术方案实现：In order to realize the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention realizes through the following technical solutions:
一种固体激光全反射可调焊接装置，包括固体激光器，所述固体激光器包括椭圆柱形的聚光镜，泵灯设置在聚光镜的一条焦线上，至少一个Nd：YAG晶体棒设置在聚光镜的另一条焦线上，所述泵灯的两端并联有充电电源和储能电容，所述泵灯还设置有触发器，其特征在于，所述聚光镜的一端设置有与Nd：YAG晶体棒相对应的、可移动的全反射镜，所述聚光镜的另一端设置有部分反射镜，所述聚光镜的外表面对称设置有滑轨，所述全反射镜的两端对称设置有可沿着滑轨移动的滑杆。A solid-state laser total reflection adjustable welding device includes a solid-state laser, the solid-state laser comprises an elliptical-cylindrical condenser, a pump lamp is arranged on one focal line of the condenser, and at least one Nd:YAG crystal rod is arranged on the other of the condenser. On the focal line, two ends of the pump lamp are connected in parallel with a charging power supply and an energy storage capacitor, and the pump lamp is also provided with a trigger. , a movable total reflection mirror, the other end of the condenser is provided with a partial reflection mirror, the outer surface of the condenser is symmetrically provided with a sliding rail, and the two ends of the total reflection mirror are symmetrically arranged with a movable along the sliding rail Slider.
优选，所述泵灯是氙灯或高压水银灯。Preferably, the pump lamp is a xenon lamp or a high pressure mercury lamp.
优选，所述Nd：YAG晶体棒的数量是2-4个。Preferably, the number of the Nd:YAG crystal rods is 2-4.
可根据待焊接的材料设置不同数量的Nd：YAG晶体棒，然后调节全反射镜至合适的位置进行焊接以达到最佳的焊接效果，整体装置的输出功率也实现了调节。Different numbers of Nd:YAG crystal rods can be set according to the material to be welded, and then the total reflection mirror can be adjusted to a suitable position for welding to achieve the best welding effect. The output power of the overall device is also adjusted.
图1是本发明一种固体激光全反射可调焊接装置的结构示意图；1 is a schematic structural diagram of a solid-state laser total reflection adjustable welding device of the present invention;
图2是图1的右视图；Fig. 2 is the right side view of Fig. 1;
附图的标记含义如下：The meanings of the symbols in the accompanying drawings are as follows:
1：充电电源；2：储能电容；3：触发器；4：泵灯；5：激光；6：部分反射镜；7：Nd：YAG晶体棒；8：聚光镜；9：第一滑轨；10：第一滑杆；11：全反射镜；12：第二滑轨；13：第二滑杆。1: Charging power supply; 2: Storage capacitor; 3: Trigger; 4: Pump lamp; 5: Laser; 6: Partial reflector; 7: Nd: YAG crystal rod; 8: Condenser lens; 9: First slide rail; 10: The first slide bar; 11: Total reflection mirror; 12: The second slide rail; 13: The second slide bar.
下面结合附图和具体的实施例对本发明技术方案作进一步的详细描述，以使本领域的技术人员可以更好的理解本发明并能予以实施，但所举实施例不作为对本发明的限定。The technical solution of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples are not intended to limit the present invention.
如图1和2所示，一种固体激光全反射可调焊接装置，包括固体激光器，所述固体激光器包括椭圆柱形的聚光镜8，泵灯4设置在聚光镜8的一条焦线上，其中，所述泵灯4可以是连续发光的泵灯4或脉冲式发光的泵灯4。至少一个Nd：YAG晶体棒7设置在聚光镜8的另一条焦线上，所述泵灯4的两端并联有充电电源1和储能电容2，充电电源1一般为高压充电电源。所述泵灯4还设置有触发器3，所述聚光镜8的一端（图1中的左端）设置有与Nd：YAG晶体棒7相对应的、可移动的全反射镜11，全反射镜11的中心与聚光镜8的焦线相对应。As shown in Figures 1 and 2, a solid-state laser total reflection adjustable welding device includes a solid-state laser, the solid-state laser includes an elliptical-cylindrical condensing mirror 8, and a pump lamp 4 is arranged on a focal line of the condensing mirror 8, wherein, The pump lamp 4 may be a pump lamp 4 that emits continuously or a pump lamp 4 that emits pulsed light. At least one Nd:YAG crystal rod 7 is arranged on another focal line of the condenser lens 8, and the two ends of the pump lamp 4 are connected in parallel with a charging power source 1 and an energy storage capacitor 2, and the charging power source 1 is generally a high-voltage charging power source. The pump lamp 4 is also provided with a trigger 3, and one end (the left end in FIG. 1 ) of the condenser mirror 8 is provided with a movable total reflection mirror 11 corresponding to the Nd:YAG crystal rod 7. The total reflection mirror 11 The center corresponds to the focal line of the condenser lens 8 .
所述聚光镜8的另一端（图1中的右端）设置有部分反射镜6，部分反射镜6折射出用于焊接的激光5，所述聚光镜8的外表面对称设置有滑轨，所述全反射镜11的两端对称设置有可沿着滑轨移动的滑杆。如图2所示，聚光镜8的外表面对称设置有The other end (the right end in FIG. 1 ) of the condenser mirror 8 is provided with a partial reflection mirror 6, which refracts the laser light 5 for welding. The outer surface of the condenser mirror 8 is symmetrically provided with a slide rail, and the full Two ends of the mirror 11 are symmetrically provided with sliding rods that can move along the sliding rails. As shown in FIG. 2, the outer surface of the condenser lens 8 is symmetrically arranged with
第一滑轨9和第二滑轨12，全反射镜11的两端对称设置有可沿着第一滑轨9移动的第一滑杆10、可沿着第二滑轨12移动的第二滑杆13，第一滑杆10和第二滑杆13均呈L形。The first slide rail 9 and the second slide rail 12, the two ends of the total reflection mirror 11 are symmetrically provided with a first slide bar 10 that can move along the first slide rail 9, and a second slide bar 10 that can move along the second slide rail 12. The slide bar 13, the first slide bar 10 and the second slide bar 13 are all L-shaped.
优选，所述泵灯4是氙灯或是高压水银灯。所述Nd：YAG晶体棒7的数量是2-4个，比如Nd：YAG晶体棒7的数量是3个。Preferably, the pump lamp 4 is a xenon lamp or a high pressure mercury lamp. The number of the Nd:YAG crystal rods 7 is 2-4, for example, the number of the Nd:YAG crystal rods 7 is three.
作业时，可根据待焊接的材料设置不同数量的Nd：YAG晶体棒，然后调节全反射镜至合适的位置进行焊接以达到最佳的焊接效果，整体装置的输出功率也实现了调节，结构更灵活，调节也更方便。During operation, different numbers of Nd:YAG crystal rods can be set according to the material to be welded, and then the total reflection mirror can be adjusted to the appropriate position for welding to achieve the best welding effect. The output power of the overall device has also been adjusted, and the structure is better. Flexible and easy to adjust.
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或者等效流程变换，或者直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied in other related technical fields , are similarly included in the scope of patent protection of the present invention.
Claims (6)
- 一种固体激光全反射可调焊接装置，包括固体激光器，所述固体激光器包括椭圆柱形的聚光镜（8），泵灯（4）设置在聚光镜（8）的一条焦线上，至少一个Nd：YAG晶体棒（7）设置在聚光镜（8）的另一条焦线上，所述泵灯（4）的两端并联有充电电源（1）和储能电容（2），所述泵灯（4）还设置有触发器（3），其特征在于，所述聚光镜（8）的一端设置有与Nd：YAG晶体棒（7）相对应的、可移动的全反射镜（11），所述聚光镜（8）的另一端设置有部分反射镜（6），所述聚光镜（8）的外表面对称设置有滑轨，所述全反射镜（11）的两端对称设置有可沿着滑轨移动的滑杆。A solid-state laser total reflection adjustable welding device, comprising a solid-state laser, the solid-state laser comprises an elliptical-cylindrical condenser lens (8), a pump lamp (4) is arranged on a focal line of the condenser lens (8), and at least one Nd: The YAG crystal rod (7) is arranged on the other focal line of the condenser lens (8). The two ends of the pump lamp (4) are connected in parallel with a charging power supply (1) and an energy storage capacitor (2). The pump lamp (4) ) is also provided with a trigger (3), characterized in that one end of the condenser lens (8) is provided with a movable total reflection mirror (11) corresponding to the Nd:YAG crystal rod (7), the condenser mirror The other end of (8) is provided with a partial reflection mirror (6), the outer surface of the condenser mirror (8) is symmetrically provided with a sliding rail, and the two ends of the total reflection mirror (11) are symmetrically arranged with a sliding rail that can move along the sliding rail. slider.
- 根据权利要求1所述的一种固体激光全反射可调焊接装置，其特征在于，所述泵灯（4）是氙灯。A solid-state laser total reflection adjustable welding device according to claim 1, characterized in that, the pump lamp (4) is a xenon lamp.
- 根据权利要求1所述的一种固体激光全反射可调焊接装置，其特征在于，所述泵灯（4）是高压水银灯。A solid-state laser total reflection adjustable welding device according to claim 1, characterized in that, the pump lamp (4) is a high-pressure mercury lamp.
- 根据权利要求1所述的一种固体激光全反射可调焊接装置，其特征在于，所述Nd：YAG晶体棒（7）的数量是2-4个。A solid-state laser total reflection adjustable welding device according to claim 1, characterized in that, the number of the Nd:YAG crystal rods (7) is 2-4.
- 根据权利要求4所述的一种固体激光全反射可调焊接装置，其特征在于，所述Nd：YAG晶体棒（7）的数量是3个。The solid-state laser total reflection adjustable welding device according to claim 4, wherein the number of the Nd:YAG crystal rods (7) is three.
- 根据权利要求1所述的一种固体激光全反射可调焊接装置，其特征在于，所述泵灯（4）是连续发光或脉冲式发光泵灯（4）。A solid-state laser total reflection adjustable welding device according to claim 1, characterized in that, the pump lamp (4) is a continuous light-emitting or pulsed light-emitting pump light (4).
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| PCT/CN2021/076625 WO2022170618A1 (en) | 2021-02-11 | 2021-02-11 | Solid laser total-reflection-adjustable welding device |
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