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CN111872554A - Welding control method - Google Patents

Welding control method Download PDF

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Publication number
CN111872554A
CN111872554A CN202010675132.XA CN202010675132A CN111872554A CN 111872554 A CN111872554 A CN 111872554A CN 202010675132 A CN202010675132 A CN 202010675132A CN 111872554 A CN111872554 A CN 111872554A
Authority
CN
China
Prior art keywords
laser
welding
welding head
handheld
welded
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.)
Pending
Application number
CN202010675132.XA
Other languages
Chinese (zh)
Inventor
陈文军
靳超凡
孙帅华
肖成柱
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.)
Shenzhen Reader Technology Co ltd
Original Assignee
Shenzhen Reader Technology 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 Shenzhen Reader Technology Co ltd filed Critical Shenzhen Reader Technology Co ltd
Priority to CN202010675132.XA priority Critical patent/CN111872554A/en
Publication of CN111872554A publication Critical patent/CN111872554A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/0096Portable laser equipment, e.g. hand-held laser apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08Devices involving relative movement between laser beam and workpiece
    • B23K26/082Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
    • B23K26/0821Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/70Auxiliary operations or 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 welding control method, which comprises the following specific steps: s1: the laser emits laser, and the laser irradiates an object to be welded after passing through the handheld welding head; s2: the control system controls the laser to emit laser, and adjusts the light path in the handheld welding head to enable the laser emitted by the handheld welding head to swing; s3: and (5) holding and moving the handheld welding head to a specified position to finish welding work. The control system controls the laser to emit laser, the laser irradiates on an object to be welded through the handheld welding head, the operation track of the laser is conveniently adjusted through the handheld welding head, the irradiation range of the laser is not limited to a fixed position or track, the action range of the laser can be flexibly adjusted through a handheld mode, and the welding work of the object to be welded with the laser can be rapidly and efficiently achieved.

Description

Welding control method
Technical Field
The invention belongs to the technical field of welding, and particularly relates to a welding control method.
Background
Welding is a manufacturing process and technique for joining metals or other thermoplastic materials such as plastics in a heated, high temperature or high pressure manner; the galvanometer laser welding is one type of welding, and is to reflect laser to a welded object by using laser welding equipment and an X galvanometer lens and a Y galvanometer lens in a laser welding galvanometer lens to complete welding operation.
For example, in chinese patent No. CN208556320U entitled "laser welding vibration lens and laser welding apparatus", a laser welding vibration lens and laser welding apparatus are disclosed. The laser welding vibration lens includes: the device comprises a mounting frame, a first galvanometer component, a second galvanometer component, a first motor preheating component, a second motor preheating component and a preheating component control circuit; the first galvanometer component, the second galvanometer component and the preheating component control circuit are assembled on the mounting frame; the first mirror vibration assembly is assembled with the first motor preheating assembly, the second mirror vibration assembly is assembled with the second motor preheating assembly, and the preheating assembly control circuit is connected with the first motor preheating assembly and the second motor preheating assembly in a circuit mode.
In the above patent, the mode that the installation position of the vibrating lens is fixed and the material to be processed is placed below the vibrating lens for processing is adopted. Such a working method has the following inconveniences:
1. the vibrating lens is fixed, and the processing area is limited in the workbench surface under the swing range of the vibrating mirror.
2. The oscillating range of the galvanometer is limited, the requirement on equipment design is high for large-scale processing material application occasions, and meanwhile, the burden of the equipment is increased, so that the equipment is inconvenient to move.
Disclosure of Invention
In order to solve the above problems, a primary object of the present invention is to provide a welding control method, which can perform machining at any position by moving a hand-held welding head in a manner of fixing a mounting position by using the hand-held welding head instead of a galvanometer lens.
Another objective of the present invention is to provide a welding control method, which adjusts the optical path of the laser by controlling the movement of the galvanometer, so that the laser has a certain swing range, thereby flexibly implementing the operation of laser welding with the galvanometer, and facilitating the use.
In order to achieve the above object, the technical solution of the present invention is as follows.
A welding control method is characterized by comprising the following specific steps:
s1: the laser emits laser, and the laser irradiates an object to be welded after passing through the handheld welding head;
s2: the control system controls the laser to emit laser, and adjusts the light path in the handheld welding head to enable the laser emitted by the handheld welding head to swing;
s3: and (5) holding and moving the handheld welding head to a specified position to finish welding work. The control system controls the laser to emit laser, the laser irradiates on an object to be welded through the handheld welding head, the operation track of the laser is conveniently adjusted through the handheld welding head, the irradiation range of the laser is not limited to a fixed position or track, the action range of the laser can be flexibly adjusted through a handheld mode, and the welding work of the object to be welded with the laser can be rapidly and efficiently achieved.
Furthermore, a galvanometer and a galvanometer motor are arranged in the handheld welding head, the galvanometer is fixed on the galvanometer motor, and the galvanometer motor is in communication connection with a control system. Wherein, the laser of laser instrument transmission is shone after vibrating the mirror and is waiting to weld on the thing, through will vibrate the mirror setting on vibrating the mirror motor, make the mirror that shakes can make a round trip to swing under the effect of vibrating the mirror motor, and then make the light path of laser take place to swing, and the irradiation range of laser can be increased on the whole to quick swing, the width of shining of increase laser to realize more good welding effect.
Furthermore, the handheld welding head is also provided with a reflecting mirror and a focusing mirror, and the vibrating mirror, the reflecting mirror and the focusing mirror are sequentially arranged oppositely to form a light path for passing light.
Further, a switch is arranged on the handheld welding head and is in communication connection with a control system.
Further, the welding comprises the following specific steps:
s21: holding and moving the hand-held welding head to the object to be welded;
s22: aligning the laser focus of the handheld welding head to a starting point to be welded;
s23: triggering a switch of the handheld welding head, and controlling the laser to emit laser by the control system after the control system obtains a switch signal;
s24: moving the handheld welding head along the track to be welded to finish the welding work; when the welding track is a curved surface, the contact between the handheld welding head and the object to be welded is continuously kept, and the laser focus of the handheld welding head is ensured to be on the welding track. Under the traditional condition, the position of the galvanometer is fixed, so that the light path and the focus of laser are required to be readjusted once the galvanometer meets a curved surface in the welding process, the galvanometer is very inconvenient, and the handheld welding head can be used for flexibly welding various curved surfaces, so that the galvanometer is flexible and convenient.
The control system is arranged to control the laser emitted by the laser, the operation track of the laser is conveniently adjusted by arranging the handheld welding head, the irradiation range of the laser is not limited to a fixed position or track, the action range of the laser can be flexibly adjusted in a handheld mode, and the welding work with a welding object is quickly and efficiently realized. The vibrating mirror is arranged on the vibrating mirror motor, and the vibrating mirror is driven to swing through the swing of the vibrating mirror motor, so that the light path of laser is adjusted, the laser can reciprocate in a short time, the irradiation range of the laser is increased on the whole, and a better welding effect is achieved. In addition, the handheld welding head is convenient to realize the welding work of various curved surfaces, and the handheld welding head can be held and moved to flexibly realize the welding of various curved surfaces.
Drawings
FIG. 1 is a flow chart of the present invention.
Fig. 2 is a flow chart of the welding of the present invention.
Fig. 3 is a schematic view of the structure between the components of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, a welding control method according to the present invention includes the following steps:
s1: the laser emits laser, and the laser irradiates an object to be welded after passing through the handheld welding head;
s2: the control system controls the laser to emit laser, and adjusts the light path in the handheld welding head to enable the laser emitted by the handheld welding head to swing;
s3: and (5) holding and moving the handheld welding head to a specified position to finish welding work. The control system controls the laser to emit laser, the laser irradiates on an object to be welded through the handheld welding head, the operation track of the laser is conveniently adjusted through the handheld welding head, the irradiation range of the laser is not limited to a fixed position or track, the action range of the laser can be flexibly adjusted through a handheld mode, and the welding work of the object to be welded with the laser can be rapidly and efficiently achieved.
The hand-held welding head is internally provided with a galvanometer and a galvanometer motor, the galvanometer is fixed on the galvanometer motor, and the galvanometer motor is in communication connection with the control system. Wherein, the laser of laser instrument transmission is shone after vibrating the mirror and is waiting to weld on the thing, through will vibrate the mirror setting on vibrating the mirror motor, make the mirror that shakes can make a round trip to swing under the effect of vibrating the mirror motor, and then make the light path of laser take place to swing, and the irradiation range of laser can be increased on the whole to quick swing, the width of shining of increase laser to realize more good welding effect.
The handheld welding head is also provided with a reflecting mirror and a focusing mirror, and the vibrating mirror, the reflecting mirror and the focusing mirror are sequentially arranged oppositely to form a light path for passing light.
The handheld welding head is provided with a switch, and the switch is in communication connection with a control system.
The welding method comprises the following specific steps:
s21: holding and moving the hand-held welding head to the object to be welded;
s22: aligning the laser focus of the handheld welding head to a starting point to be welded;
s23: triggering a switch of the handheld welding head, and controlling the laser to emit laser by the control system after the control system obtains a switch signal;
s24: moving the handheld welding head along the track to be welded to finish the welding work; when the welding track is a curved surface, the contact between the handheld welding head and the object to be welded is continuously kept, and the laser focus of the handheld welding head is ensured to be on the welding track. Under the traditional condition, the position of the galvanometer is fixed, so that the light path and the focus of laser are required to be readjusted once the galvanometer meets a curved surface in the welding process, the galvanometer is very inconvenient, and the handheld welding head can be used for flexibly welding various curved surfaces, so that the galvanometer is flexible and convenient.
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 (5)

1. A welding control method is characterized by comprising the following specific steps:
s1: the laser emits laser, and the laser irradiates an object to be welded after passing through the handheld welding head;
s2: the control system controls the laser to emit laser, and adjusts the light path in the handheld welding head to enable the laser emitted by the handheld welding head to swing;
s3: and (5) holding and moving the handheld welding head to a specified position to finish welding work.
2. The welding control method according to claim 1, wherein a galvanometer and a galvanometer motor are arranged in the handheld welding head, the galvanometer is fixed on the galvanometer motor, and the galvanometer motor is in communication connection with the control system.
3. The welding control method according to claim 2, wherein a reflecting mirror and a focusing mirror are further arranged in the handheld welding head, and the vibrating mirror, the reflecting mirror and the focusing mirror are sequentially arranged oppositely to form a light path for passing light.
4. The weld control method of claim 1, wherein the hand-held weld head includes a switch that is communicatively coupled to the control system.
5. The welding control method of claim 4, characterized in that the welding comprises the following specific steps:
s21: holding and moving the hand-held welding head to the object to be welded;
s22: aligning the laser focus of the handheld welding head to a starting point to be welded;
s23: triggering a switch of the handheld welding head, and controlling the laser to emit laser by the control system after the control system obtains a switch signal;
s24: moving the handheld welding head along the track to be welded to finish the welding work; when the welding track is a curved surface, the contact between the handheld welding head and the object to be welded is continuously kept, and the laser focus of the handheld welding head is ensured to be on the welding track.
CN202010675132.XA 2020-07-14 2020-07-14 Welding control method Pending CN111872554A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010675132.XA CN111872554A (en) 2020-07-14 2020-07-14 Welding control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010675132.XA CN111872554A (en) 2020-07-14 2020-07-14 Welding control method

Publications (1)

Publication Number Publication Date
CN111872554A true CN111872554A (en) 2020-11-03

Family

ID=73151360

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010675132.XA Pending CN111872554A (en) 2020-07-14 2020-07-14 Welding control method

Country Status (1)

Country Link
CN (1) CN111872554A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080046463A (en) * 2006-11-22 2008-05-27 엘지전자 주식회사 Optical pickup device
CN101518855A (en) * 2009-03-27 2009-09-02 华中科技大学 Multifunctional laser processing device
CN102101217A (en) * 2011-02-28 2011-06-22 深圳市大族激光科技股份有限公司 Laser cutting device
US20150198052A1 (en) * 2014-01-14 2015-07-16 Alstom Technology Ltd Method for manufacturing a metallic or ceramic component by selective laser melting additive manufacturing
CN106825820A (en) * 2016-10-01 2017-06-13 深圳市艾贝特电子科技有限公司 Handheld laser welder
CN107344266A (en) * 2017-08-15 2017-11-14 大族激光科技产业集团股份有限公司 Hand-held laser soldering device
WO2018144524A1 (en) * 2017-01-31 2018-08-09 Nuburu Inc. Methods and systems for welding copper using blue laser
CN210755834U (en) * 2019-08-28 2020-06-16 铭镭激光智能装备(河源)有限公司 Galvanometer assembly and laser welding head

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080046463A (en) * 2006-11-22 2008-05-27 엘지전자 주식회사 Optical pickup device
CN101518855A (en) * 2009-03-27 2009-09-02 华中科技大学 Multifunctional laser processing device
CN102101217A (en) * 2011-02-28 2011-06-22 深圳市大族激光科技股份有限公司 Laser cutting device
US20150198052A1 (en) * 2014-01-14 2015-07-16 Alstom Technology Ltd Method for manufacturing a metallic or ceramic component by selective laser melting additive manufacturing
CN106825820A (en) * 2016-10-01 2017-06-13 深圳市艾贝特电子科技有限公司 Handheld laser welder
WO2018144524A1 (en) * 2017-01-31 2018-08-09 Nuburu Inc. Methods and systems for welding copper using blue laser
CN107344266A (en) * 2017-08-15 2017-11-14 大族激光科技产业集团股份有限公司 Hand-held laser soldering device
CN210755834U (en) * 2019-08-28 2020-06-16 铭镭激光智能装备(河源)有限公司 Galvanometer assembly and laser welding head

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Application publication date: 20201103