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CN110977159A - A kind of laser light path component forming annular light spot - Google Patents

A kind of laser light path component forming annular light spot Download PDF

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Publication number
CN110977159A
CN110977159A CN201910875279.0A CN201910875279A CN110977159A CN 110977159 A CN110977159 A CN 110977159A CN 201910875279 A CN201910875279 A CN 201910875279A CN 110977159 A CN110977159 A CN 110977159A
Authority
CN
China
Prior art keywords
laser
axis
laser light
light path
wedge
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.)
Withdrawn
Application number
CN201910875279.0A
Other languages
Chinese (zh)
Inventor
李也文
张文杰
倪超
王明娣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Keymate Equipment Integration Co ltd
Original Assignee
Suzhou Keymate Equipment Integration Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Suzhou Keymate Equipment Integration Co ltd filed Critical Suzhou Keymate Equipment Integration Co ltd
Priority to CN201910875279.0A priority Critical patent/CN110977159A/en
Publication of CN110977159A publication Critical patent/CN110977159A/en
Withdrawn legal-status Critical Current

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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
    • B23K26/06—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
    • B23K26/02—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
    • B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
    • 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 laser light path component for forming an annular light spot, which comprises an axis, a laser generator for emitting laser along the axis, a deflection component for deflecting the laser, a guide device for guiding the deflected laser to be parallel to the axis, and a first rotating device for driving the deflection component to rotate along the axis.

Description

Laser light path component for forming annular light spots
Technical Field
The invention relates to a laser light path component for forming an annular light spot.
Background
In the field of laser welding, in order to increase the temperature of a laser beam irradiation portion, the laser beam is generally concentrated in a very small range, resulting in a small diameter of the laser beam, generally around 0.2 MM. Since the diameter of the laser needs to cover the weld, the precision requirement for the weld is usually high, and if the gap between two workpieces exceeds 0.2MM, laser welding cannot be used.
Therefore, a laser welding apparatus suitable for welding a large-gap workpiece is required.
Disclosure of Invention
The invention aims to provide a laser light path component for forming an annular light spot.
In order to achieve the purpose, the invention adopts the technical scheme that: a laser optical path component for forming an annular light spot comprises an axis, a laser generator for emitting laser along the axis, a deflection component for deflecting the laser, a guide device for guiding the deflected laser to be parallel to the axis, and a first rotating device for driving the deflection component to rotate along the axis.
Preferably, the deflection assembly is at least one wedge mirror.
Further preferably, one face of the wedge-shaped mirror is arranged perpendicular to the axis.
Further preferably, the number of the wedge-shaped mirrors is two, a gap is formed between the two wedge-shaped mirrors, and the two wedge-shaped mirrors are arranged opposite to a plane perpendicular to the axis.
Further preferably, the device further comprises a second rotating device for driving one of the two wedge-shaped mirrors to rotate relative to the other wedge-shaped mirror along the axial direction, and a positioning device for positioning the two wedge-shaped mirrors relative to each other.
Preferably, the guiding device is a focusing lens, and an optical axis of the focusing lens and the axis are arranged to coincide with each other.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the laser penetrates through the deflection assembly, the angle is changed, the laser deviates from the axis, and the laser is emitted in a direction parallel to the axial direction after being regulated by the guide device, when the first rotating device drives the deflection assembly to rotate, the deflected laser deflects and rotates along with the first rotating device, the track of the emitted laser, which irradiates on a workpiece, is circular when the deflection assembly rotates for one circle, and circular light spots are formed when the rotation speed of the deflection assembly is fast enough.
Drawings
FIG. 1 is a schematic diagram of the optical path of the present invention.
In the above drawings: 1. an axis; 2. a wedge-shaped mirror; 3. a focusing lens; 4. and (4) laser.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings to which:
referring to fig. 1, a laser optical path assembly for forming an annular light spot includes an axis 1, a laser generator (not shown) for emitting laser light 4 along the axis 1, a deflection assembly for deflecting the laser light 4, a guide device for guiding the deflected laser light 4 to be parallel to the axis 1, and a first rotating device for driving the deflection assembly to rotate along the axis 1.
Laser 4 passes the subassembly that deflects the back angle and changes, and the skew axis 1, rethread guider adjusts the back and is on a parallel with the axial direction and jets out, when first rotating device drive deflection subassembly rotates, and the laser 4 that deflects rotates along with it, and the orbit that the laser 4 that jets out shines on the work piece when the subassembly that deflects rotates a week is the ring shape, forms the annular facula when the subassembly rotational speed that deflects is fast enough.
The circular light spot far exceeds the diameter of the original 4 laser beams, so that the welding range of the laser 4 is expanded, the laser 4 can weld a larger gap, and the requirement of the laser 4 on the gap butt joint precision is reduced.
The deflection assembly is in this embodiment two wedge mirrors 2. Each wedge-shaped mirror 2 is provided with a surface which is perpendicular to the axis 1, a gap is arranged between the two wedge-shaped mirrors 2, and the two wedge-shaped mirrors 2 are arranged opposite to the surface which is perpendicular to the axis 1.
The embodiment further comprises second rotating means (not shown) for driving one of said two wedge mirrors 2 in rotation with respect to the other in said axial direction, and positioning means (not shown) for positioning said two wedge mirrors 2 with respect to each other. The deflection amount of the laser 4 after passing through can be adjusted through the relative rotation of the two wedge-shaped mirrors 2, so that the diameter adjustment of the annular light spot is realized.
In this embodiment, the guiding device is a focusing lens 3, and an optical axis of the focusing lens 3 and the axis 1 are overlapped with each other.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (6)

1.一种形成环形光斑的激光光路组件，其包括轴线、沿着所述轴线发射激光的激光发生器，其特征在于：还包括用于偏转所述激光的偏转组件、将偏转后的激光导向至平行所述轴线的导向装置，以及驱动所述偏转组件沿着所述轴线转动的第一转动装置。1. A laser light path assembly for forming an annular spot, comprising an axis, a laser generator for emitting laser light along the axis, and characterized in that: also comprising a deflection assembly for deflecting the laser, guiding the deflected laser A guide means parallel to the axis, and a first rotation means for driving the deflection assembly to rotate along the axis. 2.根据权利要求1所述的一种形成环形光斑的激光光路组件，其特征在于：所述偏转组件为至少一个楔形镜。2 . The laser light path assembly for forming an annular light spot according to claim 1 , wherein the deflecting assembly is at least one wedge mirror. 3 . 3.根据权利要求2所述的一种形成环形光斑的激光光路组件，其特征在于：所述楔形镜的一个面垂直于所述轴线设置。3 . The laser light path assembly for forming an annular spot according to claim 2 , wherein one surface of the wedge mirror is arranged perpendicular to the axis. 4 . 4.根据权利要求3所述的一种形成环形光斑的激光光路组件，其特征在于：所述楔形镜为两个，两个所述楔形镜之间具有间隙，且两个所述楔形镜与所述轴线垂直的面相对设置。4 . The laser light path assembly according to claim 3 , wherein the number of the wedge mirrors is two, there is a gap between the two wedge mirrors, and the two wedge mirrors are connected to The vertical faces of the axes are arranged opposite to each other. 5.根据权利要求4所述的一种形成环形光斑的激光光路组件，其特征在于：还包括驱动两个所述楔形镜中的一个相对另一个沿着所述轴向转动的第二转动装置，以及将两个所述楔形镜相互定位的定位装置。5 . The laser light path assembly for forming an annular spot according to claim 4 , further comprising a second rotating device for driving one of the two wedge mirrors to rotate relative to the other along the axial direction. 6 . , and a positioning device for positioning the two wedge mirrors relative to each other. 6.根据权利要求1所述的一种形成环形光斑的激光光路组件，其特征在于：所述导向装置为聚焦透镜，所述聚焦透镜的光轴与所述轴线相互重合设置。6 . The laser light path assembly according to claim 1 , wherein the guiding device is a focusing lens, and the optical axis of the focusing lens and the axis are arranged to coincide with each other. 7 .
CN201910875279.0A 2019-09-17 2019-09-17 A kind of laser light path component forming annular light spot Withdrawn CN110977159A (en)

Priority Applications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111752001A (en) * 2020-07-15 2020-10-09 武汉市威佳激光有限责任公司 Dynamic adjustable annular light beam conversion device based on acousto-optic deflection technology
CN113231739A (en) * 2021-07-13 2021-08-10 岗春激光科技（江苏）有限公司 Lens assembly and laser welding head
CN113649690A (en) * 2020-05-12 2021-11-16 深圳市联赢激光股份有限公司 Optical system with circular and annular light spot cutting function
CN118360600A (en) * 2024-05-09 2024-07-19 上海盖泽激光科技有限公司 Laser stirring cladding process and device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006000549A1 (en) * 2004-06-29 2006-01-05 Hitachi Via Mechanics, Ltd. Laser machining device for drilling holes into a workpiece comprising an optical deflecting device and a diverting unit
CN104162741A (en) * 2014-07-31 2014-11-26 北京万恒镭特机电设备有限公司 Laser processing device and method thereof
CN208614023U (en) * 2018-03-13 2019-03-19 深圳市牧激科技有限公司 Optical system, laser cutting head and laser equipment
CN210908520U (en) * 2019-09-17 2020-07-03 苏州肯美特设备集成有限公司 Laser light path component for forming annular light spots

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006000549A1 (en) * 2004-06-29 2006-01-05 Hitachi Via Mechanics, Ltd. Laser machining device for drilling holes into a workpiece comprising an optical deflecting device and a diverting unit
CN104162741A (en) * 2014-07-31 2014-11-26 北京万恒镭特机电设备有限公司 Laser processing device and method thereof
CN208614023U (en) * 2018-03-13 2019-03-19 深圳市牧激科技有限公司 Optical system, laser cutting head and laser equipment
CN210908520U (en) * 2019-09-17 2020-07-03 苏州肯美特设备集成有限公司 Laser light path component for forming annular light spots

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113649690A (en) * 2020-05-12 2021-11-16 深圳市联赢激光股份有限公司 Optical system with circular and annular light spot cutting function
CN111752001A (en) * 2020-07-15 2020-10-09 武汉市威佳激光有限责任公司 Dynamic adjustable annular light beam conversion device based on acousto-optic deflection technology
CN111752001B (en) * 2020-07-15 2022-07-29 武汉市威佳激光有限责任公司 Dynamic adjustable annular light beam conversion device based on acousto-optic deflection technology
CN113231739A (en) * 2021-07-13 2021-08-10 岗春激光科技（江苏）有限公司 Lens assembly and laser welding head
CN113231739B (en) * 2021-07-13 2021-09-28 岗春激光科技（江苏）有限公司 Lens assembly and laser welding head
CN118360600A (en) * 2024-05-09 2024-07-19 上海盖泽激光科技有限公司 Laser stirring cladding process and device

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CB02 Change of applicant information

Address after: No. 1, Jiama Road, Luzhi Town, Wuzhong District, Suzhou City, Jiangsu Province, 215000

Applicant after: Suzhou Kemeite Equipment Integration Co.,Ltd.

Address before: 215000 Dong Zhuang Road, Luzhi Town, Wuzhong District, Suzhou, Jiangsu

Applicant before: SUZHOU KEYMATE EQUIPMENT INTEGRATION CO.,LTD.

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WW01 Invention patent application withdrawn after publication

Application publication date: 20200410