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CN-122007685-A - Laser marking system and marking method

CN122007685ACN 122007685 ACN122007685 ACN 122007685ACN-122007685-A

Abstract

The application relates to a laser marking system and a marking method, and relates to the technical field of laser marking, wherein the laser marking system comprises a feeding device, a feeding device and a control device, the feeding device comprises a storage rack and a feeding platform, the storage rack is used for storing trays, the feeding platform is used for bearing trays for mounting to-be-marked pieces, the marking device comprises a marking platform, a laser marking machine and a marking transfer assembly, the marking platform comprises a marking seat and a marking rack, the laser marking machine and the marking transfer assembly are arranged on the marking seat, the marking transfer assembly is used for picking up to-be-marked pieces on the trays at the marking rack and transferring to the laser marking machine, the laser marking machine is used for marking the to-be-marked pieces grabbed by the marking transfer assembly, the transfer device is provided with a movable stroke between the storage rack, the feeding platform and the marking device, the trays at the storage rack are transferred to the feeding platform, and the trays at the feeding platform are transferred to the marking device, and the control device is electrically connected with the marking device and the transfer device, so that the marking device and the transfer device are controlled to act.

Inventors

  • ZHANG HUANGSONG
  • TENG HAO

Assignees

  • 南京协澳智能控制系统有限公司

Dates

Publication Date
20260512
Application Date
20260317

Claims (10)

  1. 1. A laser marking system, comprising: the feeding device (1) comprises a storage rack (11) and a feeding table (12), wherein the storage rack (11) is used for storing trays (4), and the feeding table (12) is used for bearing the trays (4) for mounting the to-be-marked pieces (5); The marking device (2) comprises a marking table (21), a laser marking machine (22) and a marking transfer assembly (23), wherein the marking table (21) comprises a marking seat (211) and a marking frame (212), the marking frame (212) is used for bearing a tray (4) provided with a part to be marked (5), the laser marking machine (22) and the marking transfer assembly (23) are arranged on the marking seat (211), the marking transfer assembly (23) is used for picking up the part to be marked (5) on the tray (4) at the marking frame (212) and transferring the part to the laser marking machine (22), and the laser marking machine (22) is used for marking the part to be marked (5) grabbed by the marking transfer assembly (23); A material moving device (3) with a movable stroke among the material storage rack (11), the material loading table (12) and the marking device (2) for moving the tray (4) at the material storage rack (11) to the material loading table (12) and moving the tray (4) at the material loading table (12) to the marking device (2), and And the control device is electrically connected with the marking device (2) and the material moving device (3) and is used for controlling the marking device (2) and the material moving device (3) to act.
  2. 2. The laser marking system according to claim 1, wherein the marking transfer assembly (23) comprises: Marking mechanical arm (231) Marking clamping structure (232), including marking clamping seat (2321), two marking clamping parts (2322) and marking driving structure (2323), marking clamping seat (2321) install in marking mechanical arm (231), two marking clamping part (2322) movable mounting in marking clamping seat (2321) for the centre gripping is to mark piece (5) of waiting to mark, marking driving structure (2323) drive connection marking clamping part (2322), so that two marking clamping part (2322) can the centre gripping treat to mark piece (5).
  3. 3. The laser marking system according to claim 2, wherein the marking transfer assembly (23) further comprises a first code scanner (2324) disposed on the marking holder (2321) for scanning the marked article (5) after marking.
  4. 4. The laser marking system according to claim 1, wherein the marking frame (212) is provided with a plurality of marking locating pins (2121) at intervals for being matched and located with a plurality of matching holes (45) correspondingly arranged on the tray (4), and/or, The marking frame (212) is provided with a first photoelectric sensor (2122) for detecting whether the tray (4) exists on the marking frame (212).
  5. 5. The laser marking system according to claim 1, characterized in that the marking device (2) further comprises a vision camera (24) provided at the marking station (21), the vision camera (24) being adapted to take a picture of the marking element (5) and/or, The marking device (2) further comprises a sampling inspection table (251) and a sampling inspection grating (252), wherein the sampling inspection table (251) is used for placing marked pieces (5) after marking, and the sampling inspection grating (252) is arranged corresponding to the sampling inspection table (251) and used for detecting whether inspection personnel pick up the marked pieces (5).
  6. 6. The laser marking system according to claim 1, characterized in that the loading table (12) comprises a loading frame (121), a loading seat (122) and a loading driving structure (123), the loading seat (122) is movably mounted on the loading frame (121), on the movable stroke thereof, the loading seat (122) has a loading position and a material moving position, in the loading position, the to-be-marked piece (5) can be placed on the tray (4), in the material moving position, the material moving device (3) can pick up the tray (4), and the loading driving structure (123) is arranged on the loading frame (121) and is in driving connection with the loading seat (122).
  7. 7. The laser marking system according to claim 6, wherein the loading base (122) is provided with a plurality of loading positioning pins (124) at intervals for being matched and positioned with a plurality of matching holes (45) correspondingly arranged on the tray (4), and/or, The feeding frame (121) is provided with two second photoelectric sensors (125) at intervals, the two second photoelectric sensors (125) are respectively arranged at the feeding position and the material moving position, and the feeding seat (122) is provided with a through hole (1221) through which light beams of the second photoelectric sensors (125) can pass; Two ends of the feeding frame (121) are provided with two feeding stop parts (126) which are used for being abutted with the feeding seat (122).
  8. 8. The laser marking system according to claim 1, wherein the material moving device (3) comprises: A material moving mechanical arm (31) which is movably arranged along the horizontal direction and Move material clamping structure (32), including moving material seat (321), two move material clamping part (322) and move material drive structure (323), move material seat (321) install in move material arm (31), two move material clamping part (322) movable mounting in move material seat (321) for centre gripping tray (4).
  9. 9. The laser marking system according to claim 8, wherein each of the material moving clamping portions (322) is disposed in a clamping groove (3221), the clamping groove (3221) extends along a length direction of the material moving clamping portion (322) for accommodating the tray (4), the material moving clamping portion (322) is provided with a positioning protrusion (3222) for being matched and positioned with a matching groove (44) on the tray (4), and/or, The material moving clamping structure (32) further comprises a second code scanner (324) arranged on the material moving seat (321) and used for scanning the tray (4).
  10. 10. A marking method of a laser marking system according to any one of claims 1 to 9, wherein the laser marking system comprises a feeding device (1), a marking device (2) and a material moving device (3), the feeding device (1) comprises a material storage rack (11) and a material loading table (12), the marking device (2) comprises a marking table (21), a laser marking machine (22) and a marking transfer assembly (23), the marking method comprises: controlling the material moving device (3) to move the empty tray (4) at the material storage rack (11) to the material loading table (12) for loading, and moving the tray (4) carrying the to-be-marked piece (5) to the marking table (21); and in the marking step, when the marking transfer assembly (23) transfers the to-be-marked piece (5) to the laser marking machine (22), the laser marking machine (22) is controlled to mark the to-be-marked piece (5).

Description

Laser marking system and marking method Technical Field The application relates to the technical field of laser marking, in particular to a laser marking system and a laser marking method. Background The laser marking technique is a non-contact processing method that uses a laser beam with high energy density to act on the surface of a workpiece to cause physical or chemical changes in the surface layer material, thereby leaving a permanent mark. By virtue of the advantages of high marking precision, high processing efficiency, durable marking, environmental protection and the like, the laser marking technology has been widely applied to the industrial manufacturing fields of electronic components, automobile parts, medical appliances and the like. In actual production, the laser marking technology is usually implemented by a laser marking system. At present, the traditional laser marking system mainly adopts a fixed structure, and the scheme is that a special tool fixture is designed and processed for a to-be-marked piece, the to-be-marked piece is manually installed on the tool fixture to be positioned, and then a laser marking machine is used for marking the positioned to-be-marked piece. The handling and clamping of materials usually depend on manual operation, namely, operators place the workpiece to be marked on the tool, place the tool on a marking station, and manually adjust the position of the workpiece after marking of one surface is completed so as to mark other surfaces. Disclosure of Invention The application provides a laser marking system, which aims to solve the problems that a laser marking system is low in modularization degree, inconvenient to maintain and replace, high in tooling design and processing and maintenance cost, high in labor hour cost and low in marking efficiency due to the fact that a fixed structure is adopted and a special tooling fixture is relied on, and workpieces are required to be manually conveyed and adjusted in the marking process, and the automation degree is low. In a first aspect, the laser marking system provided by the application adopts the following technical scheme: A laser marking system, the laser marking system comprising: the feeding device comprises a storage rack and a feeding table, wherein the storage rack is used for storing trays, and the feeding table is used for bearing the trays for mounting the to-be-marked pieces; The marking device comprises a marking table, a laser marking machine and a marking transfer assembly, wherein the marking table comprises a marking seat and a marking frame, the marking frame is used for bearing a tray filled with a piece to be marked, the laser marking machine and the marking transfer assembly are arranged on the marking seat, the marking transfer assembly is used for picking up the piece to be marked on the tray at the marking frame and transferring the piece to be marked to the laser marking machine, and the laser marking machine is used for marking the piece to be marked which is grabbed by the marking transfer assembly; a material moving device with a movable stroke among the material storage frame, the material loading table and the marking device for moving the tray at the material storage frame to the material loading table and moving the tray at the material loading table to the marking device, and And the control device is electrically connected with the marking device and the material moving device and is used for controlling the marking device and the material moving device to act. Optionally, the marking transfer assembly includes: Marking mechanical arm and Marking clamping structure, including marking clamping seat, two marking clamping parts and marking drive structure, marking clamping seat install in marking mechanical arm, two marking clamping part movable mounting in marking clamping seat for the centre gripping is waited to mark the piece, marking drive structure drive connection marking clamping part, in order to make two marking clamping part can the centre gripping wait to mark the piece. Optionally, the marking transferring assembly further includes a first code scanner disposed on the marking clamping seat, and configured to scan the marked piece after marking is completed. Optionally, the marking frame is provided with a plurality of marking locating pins at intervals for matching and locating with a plurality of matching holes correspondingly arranged on the tray, and/or, The marking frame is provided with a first photoelectric sensor used for detecting whether the tray exists on the marking frame. Optionally, the marking device further comprises a vision camera arranged on the marking table, wherein the vision camera is used for shooting the marking piece, and/or, The marking device further comprises a spot check table and a spot check grating, wherein the spot check table is used for placing marked pieces after marking, and the spot check grating is arranged corresponding to the spot