WO2021237413A1 - Dispositif de marquage au laser - Google Patents

Dispositif de marquage au laser Download PDF

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Publication number
WO2021237413A1
WO2021237413A1 PCT/CN2020/092115 CN2020092115W WO2021237413A1 WO 2021237413 A1 WO2021237413 A1 WO 2021237413A1 CN 2020092115 W CN2020092115 W CN 2020092115W WO 2021237413 A1 WO2021237413 A1 WO 2021237413A1
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WO
WIPO (PCT)
Prior art keywords
laser
drive
lifting
carrier
laser marking
Prior art date
Application number
PCT/CN2020/092115
Other languages
English (en)
Chinese (zh)
Inventor
袁杰
曹洪涛
刘亮
吕启涛
田征
高云峰
Original Assignee
大族激光科技产业集团股份有限公司
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 大族激光科技产业集团股份有限公司 filed Critical 大族激光科技产业集团股份有限公司
Priority to PCT/CN2020/092115 priority Critical patent/WO2021237413A1/fr
Publication of WO2021237413A1 publication Critical patent/WO2021237413A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/435—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of radiation to a printing material or impression-transfer material

Definitions

  • This application belongs to the field of laser processing technology, specifically, a laser marking device.
  • the workpiece when performing laser marking on different sides of the workpiece, the workpiece needs to be disassembled and adjusted in position. The operation is cumbersome, the adjustment accuracy is poor, time-consuming and labor-intensive, and the workpiece cannot be laser-marked well. .
  • the present application provides a laser marking device.
  • the base includes a bottom plate and a bracket connected to the bottom plate;
  • the laser marking assembly is installed on the bracket and used to output laser to mark the workpiece
  • the moving mechanism is arranged on the bottom plate;
  • a rotating mechanism is connected to the moving mechanism and is capable of translational movement and/or lifting movement under the drive of the moving mechanism;
  • the rotating mechanism includes a rotating drive member and a linkage member, and the linkage member is connected to the rotation
  • the driving member is connected and can rotate under the driving of the rotary driving member;
  • a carrier is used to carry the workpiece, and the carrier is connected to the linkage, so that when the rotation driving member drives the linkage to rotate, the linkage drives the carrier to rotate.
  • Figure 1 is an axonometric view of the laser marking device in this embodiment (including the cabinet);
  • Figure 2 is an axonometric view of the laser marking device in this embodiment (not including the cabinet);
  • Figure 3 is an axonometric view of the moving mechanism in the laser marking device shown in Figure 2;
  • Figure 4 is an axonometric view of the laser marking assembly in the laser marking device shown in Figure 2;
  • FIG. 5 is a schematic diagram of the optical path of the optical path module shown in FIG. 4.
  • the laser marking device will be described below in a more comprehensive manner with reference to the relevant drawings.
  • a preferred embodiment of the laser marking device is shown in the drawings.
  • the laser marking device can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the laser marking device more thorough and comprehensive.
  • Figures 1 and 2 show a laser marking device in an embodiment of the present invention.
  • the laser marking device in an embodiment includes a base 100, a laser marking assembly 200, and a moving mechanism 300 , Rotating mechanism 400 and carrier 500.
  • the base 100 includes a bottom plate 110 and a bracket 120 connected to the bottom plate 110.
  • the laser marking assembly 200 is installed on the bracket 120 and is used for outputting laser to mark a workpiece.
  • the moving mechanism 300 is provided on the bottom plate 110.
  • the rotating mechanism 400 is connected to the moving mechanism 300, and is capable of translational movement and/or lifting movement under the driving of the moving mechanism 300.
  • the rotating mechanism 400 includes a rotating driving member (not shown) and a linking member 410.
  • the linking member 410 is connected to the rotating driving member, and the linking member 410 can rotate under the driving of the rotating driving member.
  • the carrier 500 is used to carry a workpiece, and the carrier 500 is connected to the linkage 410.
  • the rotation driving member drives the linkage 410 to rotate
  • the linkage 410 drives the carrier 500 to rotate.
  • the rotating mechanism 400 can drive the linkage 410 to drive the carrier 500 to rotate, the workpiece on the carrier 500 can rotate together with the carrier 500.
  • the position of the workpiece can be adjusted without unloading the workpiece, so as to meet the needs of the laser marking assembly 200 for marking different sides of the workpiece, effectively improving operation convenience, improving processing efficiency, and saving costs.
  • the rotary drive member is installed with its axis of rotation horizontal, so that when the rotary drive member drives the linkage member 410 to rotate, the axis on which the linkage member 410 drives the carrier 500 to rotate is also horizontal. With the rotation of the carrier 500, different surfaces of the workpiece will be exposed to the marking area of the laser marking assembly 200, thereby meeting the requirements of the laser marking assembly 200 for marking different surfaces of the workpiece.
  • the workpiece may be a printed antenna.
  • the printed antenna means that the antenna circuit is printed on the surface of the substrate, and the substrate may be a printed circuit board.
  • the area of the substrate used is usually larger than the actual area that needs to be used. After the antenna circuit is printed on the substrate, the excess part of the substrate is trimmed by laser marking. Until the required design size is reached, the accuracy and consistency of the printed antenna can be better guaranteed.
  • the bracket 120 includes a cross beam 121 and two uprights 122.
  • the two uprights 122 are fixedly connected to the bottom plate 110 and arranged side by side at intervals.
  • the crossbeam 121 spans between the two uprights 122.
  • the laser marking assembly 200 is installed on the beam 121, so that when the moving mechanism 300 is installed on the bottom plate 110, the laser marking assembly 200 will be located above the moving mechanism 300, which can be adapted to the laser marking assembly 200 for marking the workpiece. As required, this arrangement can make the mechanisms of the laser marking device more compact, and will not cause the laser marking assembly 200 and the moving mechanism 300 to interfere with each other.
  • the moving mechanism 300 includes a lift assembly 310 and a first translation assembly 320.
  • the first translation assembly 320 is connected to the lift assembly 310.
  • the linkage 410 is installed on the lift assembly 310. Since the carrier 500 is connected to the linkage 410, The lifting assembly 310 can drive the carrier 500 to move up and down, and the first translation assembly 320 can drive the carrier 500 to move in translation, which is convenient for quickly adjusting the workpiece carried by the carrier 500 to the marking station.
  • the linkage 410 is connected to a member of the lifting assembly 310.
  • the lifting assembly 310 includes a lifting drive (not shown), a lifting slide 311 and a lifting slide 312, and the linkage 410 is connected to the lifting slide 311.
  • the lifting slide 311 is slidably connected to the lifting slide 312, the lifting drive can drive the lifting slide 311 to slide along the lifting slide 312, and the lifting slide 311 drives the linkage 410 along the vertical direction (that is, as shown in Figure 3). (Showing the Z direction) lifting movement, so that the workpiece carried by the carrier 500 on the linkage 410 can move up and down in the vertical direction.
  • the lifting drive member is a motor or an air cylinder.
  • the first translation assembly 320 includes a first driving member (not shown), a first sliding block 321 and a first sliding rail 322, and the lifting assembly 310 is connected to the first sliding block 321 superior.
  • the lifting slide 312 is connected to the first slide 321
  • the first slide 321 is slidably connected to the first slide 322, and the first slide 322 extends along the first direction (ie, the X direction shown in FIG. 3)
  • the first driving member can drive the first sliding block 321 to slide along the first sliding rail 322, so that the first sliding block 321 drives the lifting assembly 310 to move in translation in the first direction.
  • the lifting assembly 310 can drive the carrier 500 to move up and down in the vertical direction, the workpiece carried by the carrier 500 on the lifting assembly 310 can translate in the first direction and move up and down in the vertical direction, so that the workpiece can move to a suitable position. Position, adapt to the needs of laser marking.
  • the first driving member is a motor or an air cylinder.
  • the moving mechanism 300 further includes a second translation component 330.
  • the first translation component 320 is connected to the second translation component 330 and is respectively used to drive the carrier 500 to perform translation movement in two different directions. It is convenient to freely adjust the position of the workpiece and improve the processing accuracy of the workpiece.
  • the first translation assembly 320 is mounted on the moving member of the second translation assembly 330.
  • the second translation assembly 330 includes a second driving member, a second sliding block, and a second sliding rail (not shown) ,
  • the first translation assembly 320 is connected to the second sliding block.
  • the second sliding block is slidably connected to the second sliding rail
  • the second sliding rail is fixed to the bottom plate 110 and extends in the second direction (ie, the Y direction shown in FIG. 3)
  • the second driving member can drive the second sliding rail.
  • the block slides along the second sliding rail, so that the second sliding block drives the first translation assembly 320 to translate in a second direction, and the second direction is perpendicular to the first direction.
  • the workpiece carried by the carrier 500 on the lifting component 310 can translate in the first direction and the second direction to move the workpiece to a suitable position. , To meet the needs of laser marking.
  • the second driving member is a motor or an air cylinder.
  • the rotation mechanism 400 includes a rotation driving member and a linkage member 410, the linkage member 410 is connected to the lifting slider 311, the carrier 500 is connected to the linkage member 410, and the rotation driving member can drive the linkage member 410 to rotate to make the linkage
  • the piece 410 drives the carrier 500 to rotate.
  • the rotating drive member is a rotating cylinder or a motor.
  • the rotation axis of the rotating drive member is the axis extending along the X direction shown in FIG. 3.
  • the linkage 410 includes a turntable, and the rotating drive is a rotating motor.
  • the turntable is connected to the output shaft of the rotating motor.
  • the rotating drive can drive the turntable to rotate, so that the turntable drives the workpiece on the carrier 500 to rotate.
  • the linkage 410 includes a driving wheel and a driven wheel.
  • the driving wheel and the driven wheel are synchronously connected in transmission.
  • the carrier 500 is fixedly connected to the driven wheel.
  • the driving wheel rotates synchronously, so that the driven wheel drives the workpiece on the carrier 500 to rotate.
  • the driving wheel and the driven wheel can be connected by a synchronous belt synchronous transmission.
  • the linkage 410 further includes a chain, and gears are arranged on the outer circumference of the driving wheel and the driven wheel, and the synchronous rotation of the driving wheel and the driven wheel is realized through the cooperation of the chain and the gear.
  • the linkage 410 includes a rack and a pinion shaft that mesh with each other.
  • the rotating drive member can drive the rack to reciprocate linearly, and make the rack and pinion meshing drive the pinion shaft to rotate around the axis of the pinion shaft, so that the pinion shaft drives the gear shaft.
  • the workpiece on the carrier rotates, the rotation angle is easy to control and the structure is simple.
  • the workpiece carried by the carrier 500 is driven by the moving mechanism 300 to move to the marking station. At this time, the workpiece is in the first orientation, and the laser marking assembly 200 performs laser marking on the first surface of the workpiece;
  • the linkage member 410 is driven to rotate by the rotation angle a by the rotating driving member, and the linkage member 410 drives the rotation angle a of the workpiece carried by the carrier 500 to switch the workpiece to the second orientation, and the laser marking assembly 200 performs Laser Marking;
  • the workpiece is a rectangular parallelepiped, one surface of the workpiece is fixed on the carrier 500, and the angle a is 90 degrees.
  • the rotation driving member drives the linkage member 410 to rotate 90 degrees each time, so that the linkage member 410 drives the carrier 500 to switch.
  • the laser marking assembly 200 can perform laser marking on three sides of the workpiece.
  • the workpiece may also be cylindrical or other irregular shapes, and the angle a may be other than 90 degrees.
  • the carrier 500 is provided with a loading slot, the workpiece is partially clamped in the loading slot and the part to be marked is exposed outside the loading slot, so that the workpiece can be fixed on the carrier 500 without hindering the processing of the workpiece .
  • the workpiece is sucked and fixed to the carrier 500 by a vacuum suction method.
  • the above-mentioned laser marking device further includes an adapter plate 600, which is fixedly connected to the linkage 410 and extends in a horizontal direction, and the carrier 500 is connected to the adapter plate 600 to facilitate the carrier 500 assembly and disassembly.
  • the laser marking assembly 200 includes a laser 210, an optical path module 220, and a marking head 230.
  • the laser 210 is used to emit laser light.
  • the laser can be incident on the marking head 230 through the optical path module 220.
  • the marking head The laser beam emitted by 230 can irradiate the workpiece.
  • the optical path module 220 includes a beam expander 221, a galvanometer 222, a field lens 223, and a first mirror 224.
  • the laser light emitted by the laser 210 is expanded by the beam expander 221 and then vibrated
  • the mirror 222 is deflected to be incident on the field lens 223.
  • the field lens 223 is used to focus the light beam and form a linear laser beam.
  • the linear laser beam is deflected by the first reflecting mirror 224 to irradiate the surface of the workpiece.
  • the beam expander 221 is located between the laser 210 and the marking head 230
  • the field lens 223 is located outside the marking head 230
  • the first reflector 224 is located between the marking head 230 and the carrier 500
  • the galvanometer 222 is located in the marking head 230.
  • the laser 210 is a continuous laser 210. In other embodiments, the laser 210 may also be a semiconductor laser 210 or a carbon dioxide laser 210.
  • the optical path module 220 further includes a second reflector 225, which is located between the laser 210 and the beam expander 221, and the laser light emitted by the laser 210 is deflected by the second reflector 225 and is incident on the beam expander 221.
  • the second reflecting mirror 225 By setting the second reflecting mirror 225 in order to change the propagation direction of the laser light, the laser light can be incident on the beam expander mirror 221 exactly.
  • the above-mentioned laser marking device also includes a visual alignment system 700 and a controller (not shown).
  • the visual alignment system 700 is electrically connected to the controller.
  • the first mirror 224 is a half mirror. , So that the visual alignment system 700 can recognize the position of the workpiece through the first mirror 224 and generate a detection signal.
  • the controller can adjust the galvanometer 222 to make The laser emitted by the laser is irradiated to the corresponding position of the workpiece.
  • the visual alignment system 700 includes a CCD alignment lens 710 and a mounting base 720, the mounting base 720 is fixedly connected to the base plate 110, the CCD alignment lens 710 is connected to the mounting base 720, and the CCD alignment lens 710 is located on the first mirror 224 above.
  • the above-mentioned laser marking device also includes a cabinet 800, and the cabinet 800 is provided with a cavity (not shown) to accommodate the base 100, the laser marking assembly 200, the moving mechanism 300, the rotating mechanism 400, and the carrier 500.
  • the cabinet 800 can protect each component.
  • the cabinet 800 is provided with an automatic door 810, which can be opened by the computer system, thereby exposing the cavity, facilitating the overhaul or maintenance of the components in the cabinet 800, saving labor costs .
  • the above laser marking device further includes a cooling mechanism 900, which is arranged outside the cabinet 800 and connected to the laser 210 to ensure that the working temperature of the laser 210 is within the normal range and prevent the laser 210 from being burned out due to excessive temperature.
  • a cooling mechanism 900 which is arranged outside the cabinet 800 and connected to the laser 210 to ensure that the working temperature of the laser 210 is within the normal range and prevent the laser 210 from being burned out due to excessive temperature.
  • the cooling mechanism 900 includes cooling water and a circulation pipe, and the circulation pipe is connected to the laser 210 and used to cool the laser 210.
  • the rotating mechanism 400 can drive the linkage 410 to drive the carrier 500 to rotate, the workpiece on the carrier 500 can rotate together with the carrier 500.
  • the position of the workpiece can be adjusted without unloading the workpiece, so as to meet the needs of the laser marking assembly 200 for marking different sides of the workpiece, effectively improving operation convenience, improving processing efficiency, and saving costs.

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  • Laser Beam Processing (AREA)

Abstract

La présente invention concerne un dispositif de marquage au laser, comprenant une base (100), un ensemble de marquage au laser (200), un mécanisme de déplacement (300), un mécanisme de rotation (400) et un support (500), la base (100) comprenant une plaque inférieure (110) et un support (120) relié à la plaque inférieure (110) ; l'ensemble de marquage au laser (200) étant monté sur le support (120) et étant utilisé pour émettre un laser pour marquer une pièce à travailler ; le mécanisme de déplacement (300) étant agencé sur la plaque inférieure (110) ; le mécanisme de rotation (400) étant relié au mécanisme de déplacement (300) et pouvant effectuer un mouvement de translation et/ou un mouvement montant ou descendant sous l'entraînement du mécanisme de déplacement (300) ; le mécanisme de rotation (400) comprenant une partie d'entraînement en rotation et une partie de liaison (410), la partie de liaison (410) étant reliée à la partie d'entraînement en rotation et pouvant effectuer un mouvement de rotation sous l'entraînement de la partie d'entraînement en rotation ; et le support (500) étant utilisé pour transporter une pièce à travailler et le support (500) étant relié à la partie de liaison (410) de telle sorte que, lorsque la partie d'entraînement en rotation provoque la rotation de la partie de liaison (410), la partie de liaison (410) entraîne la rotation du support (500).
PCT/CN2020/092115 2020-05-25 2020-05-25 Dispositif de marquage au laser WO2021237413A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2020/092115 WO2021237413A1 (fr) 2020-05-25 2020-05-25 Dispositif de marquage au laser

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Application Number Priority Date Filing Date Title
PCT/CN2020/092115 WO2021237413A1 (fr) 2020-05-25 2020-05-25 Dispositif de marquage au laser

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WO2021237413A1 true WO2021237413A1 (fr) 2021-12-02

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273789A (zh) * 2022-01-21 2022-04-05 江苏三州机械科技有限公司 一种具有防偏位组件的木材加工用激光打标机
CN114590037A (zh) * 2022-03-11 2022-06-07 洛阳环升建筑科技有限公司 一种移动喷码装置
CN114654103A (zh) * 2022-05-26 2022-06-24 江苏觅科激光设备有限公司 一种全自动激光打标机
CN114850689A (zh) * 2022-06-01 2022-08-05 创轩(南京)激光智能科技有限公司 一种基于单片机的便携式打标机
CN114872453A (zh) * 2022-06-01 2022-08-09 三角轮胎股份有限公司 对窄断面轮胎动平衡均匀性检测之后的自动打标方法
CN115157872A (zh) * 2022-08-12 2022-10-11 浙江弘宇激光设备有限公司 具有识别功能的双头激光打标机
CN115980071A (zh) * 2023-03-17 2023-04-18 中科慧远视觉技术(北京)有限公司 视觉检测机构和检测设备
CN116604174A (zh) * 2023-05-12 2023-08-18 苏州智巨源自动化科技有限公司 铝边框激光打标机

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114273789A (zh) * 2022-01-21 2022-04-05 江苏三州机械科技有限公司 一种具有防偏位组件的木材加工用激光打标机
CN114590037A (zh) * 2022-03-11 2022-06-07 洛阳环升建筑科技有限公司 一种移动喷码装置
CN114654103A (zh) * 2022-05-26 2022-06-24 江苏觅科激光设备有限公司 一种全自动激光打标机
CN114654103B (zh) * 2022-05-26 2022-08-23 江苏觅科激光设备有限公司 一种全自动激光打标机
CN114850689A (zh) * 2022-06-01 2022-08-05 创轩(南京)激光智能科技有限公司 一种基于单片机的便携式打标机
CN114872453A (zh) * 2022-06-01 2022-08-09 三角轮胎股份有限公司 对窄断面轮胎动平衡均匀性检测之后的自动打标方法
CN114872453B (zh) * 2022-06-01 2023-08-01 三角轮胎股份有限公司 对窄断面轮胎动平衡均匀性检测之后的自动打标方法
CN114850689B (zh) * 2022-06-01 2023-12-12 创轩(南京)激光智能科技有限公司 一种基于单片机的便携式打标机
CN115157872A (zh) * 2022-08-12 2022-10-11 浙江弘宇激光设备有限公司 具有识别功能的双头激光打标机
CN115157872B (zh) * 2022-08-12 2024-01-16 浙江弘宇激光设备有限公司 具有识别功能的双头激光打标机
CN115980071A (zh) * 2023-03-17 2023-04-18 中科慧远视觉技术(北京)有限公司 视觉检测机构和检测设备
CN116604174A (zh) * 2023-05-12 2023-08-18 苏州智巨源自动化科技有限公司 铝边框激光打标机

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