Search

CN-121988893-A - Laser marking equipment

CN121988893ACN 121988893 ACN121988893 ACN 121988893ACN-121988893-A

Abstract

The invention belongs to the technical field of laser processing, and particularly relates to laser marking equipment, wherein a pushing plate of a storage tank is used for realizing continuous feeding of workpieces, a conveying shaft in a blanking pipe rotates in opposite directions to clamp the workpieces to stably move downwards, a cleaning component at the outer side of the blanking pipe is used for realizing online cleaning of the workpieces, a cleaning plate is used for self-cleaning of cleaning elements, a ratchet mechanism drives the cleaning elements to replace positions, and the conveying shaft rotates in opposite directions to enable the workpieces to be micro-vibrated for pre-cleaning; the workpiece is positioned at the marking station by the baffle plate, the second motor drives the rotating bracket to circumferentially rotate through the worm and the worm wheel, so that the laser marking head is switched between the laser ports at two sides, single-station double-sided marking is realized, the limit structure of the worm wheel realizes the timing control of idling and effective driving, the baffle plate is opened after marking is finished, and the workpiece falls to the conveying belt mechanism for outputting. The invention realizes the mechanical time sequence linkage of all mechanisms through the unified power chain, has the advantages of full-flow automation, good cleaning effect, high marking efficiency and strong operation stability, and is suitable for mass continuous production.

Inventors

  • LIN JIANKAI
  • CHENG HAO
  • DAI JIAWEI
  • CHEN CHUNYU
  • NI QINGMIAN
  • JIANG YUNFENG
  • DU SIWEI
  • CAO YU

Assignees

  • 浙江摩克激光智能装备有限公司

Dates

Publication Date
20260508
Application Date
20260409

Claims (10)

  1. 1. The laser marking device is characterized by comprising a body (100), wherein a marking mechanism is arranged in the body (100); The marking mechanism comprises a cleaning sleeve (200) and a blanking pipe (105) arranged in the cleaning sleeve (200), the cleaning sleeve (200) is fixedly connected with the body (100), the blanking pipe (105) is fixedly connected with the cleaning sleeve (200), a feeding component and a cleaning component are arranged in the blanking pipe (105), a transposition driving component and a cleaning component for cleaning the cleaning component are arranged in the cleaning sleeve (200), a reversing mechanism and a limiting component are arranged below the cleaning sleeve (200), a laser marking head (301) is arranged on the reversing mechanism, laser openings (302) are formed in two opposite side walls of the blanking pipe (105), and the laser openings (302) are correspondingly arranged with the laser marking head (301); The feeding assembly, the cleaning assembly, the transposition driving assembly, the cleaning assembly, the reversing mechanism and the limiting assembly are all in transmission connection with the power mechanism.
  2. 2. The laser marking device according to claim 1, wherein the feeding assembly comprises a plurality of conveying shafts (106), the conveying shafts (106) are respectively arranged on two opposite inner side walls of the blanking tube (105), the conveying shafts (106) on the same side are sequentially arranged from top to bottom at intervals, the conveying shafts (106) on two sides are arranged in a one-to-one correspondence manner, the conveying shafts (106) are embedded into the inner side wall of the blanking tube (105) and are rotationally connected with the blanking tube (105), the conveying shafts (106) extend out of the inner side wall of the blanking tube (105) and are in contact with materials to be printed, one end of each conveying shaft (106) extends out of the cleaning sleeve (200), the conveying shafts (106) on the same side are in transmission connection, a first gear (203) is coaxially fixedly connected with the corresponding conveying shafts (106), the two first gears (203) are meshed, and one conveying shaft (106) is in transmission connection with the power mechanism.
  3. 3. The laser marking device according to claim 2, wherein the cleaning assembly comprises through grooves formed in two opposite inner side walls of the blanking pipe (105), the through grooves are correspondingly formed between two adjacent conveying shafts (106), the through grooves are rotationally connected with a transposition roller (201), the cleaning sleeve (200) is rotationally connected with another transposition roller (201), cleaning elements (202) are sleeved on the outer sides of the two transposition rollers (201), the cleaning elements (202) extend into the blanking pipe (105) and are in contact with materials to be printed, the other ends of the cleaning elements (202) are arranged on the transposition driving assembly, and the outer sides of the cleaning elements (202) are in contact with the cleaning assembly.
  4. 4. A laser marking apparatus according to claim 3, wherein the cleaning assembly comprises a first screw rod (206) rotatably connected in the cleaning sleeve (200), a cleaning plate (205) is screwed on the first screw rod (206), the cleaning plate (205) slides along the width direction of the cleaning element (202), an arc groove is formed in the top surface of the cleaning plate (205), the arc groove is matched with the cleaning element (202), a brush is arranged in the arc groove, and one end of the first screw rod (206) penetrates out of the cleaning sleeve (200) and is in transmission connection with the power mechanism.
  5. 5. The laser marking device according to claim 4, wherein the reversing mechanism comprises a rotating support (300) rotatably connected below the cleaning sleeve (200), the laser marking head (301) is fixedly connected to the inner edge of the rotating support (300), a circumferential notch (307) is coaxially formed in the outer edge of the rotating support (300), a worm wheel (305) is slidably connected in the circumferential notch (307), an annular groove is formed in the inner edge of the worm wheel (305) in a circumferential direction, a limiting piece (308) is fixedly connected in the annular groove, an additional limiting piece (308) is arranged in the annular groove (307), and the limiting piece (308) in the annular groove and the circumferential notch (307) are correspondingly arranged, and the worm wheel (305) is in transmission connection with the power mechanism.
  6. 6. The laser marking device according to claim 5, wherein the limiting component comprises a fourth gear (402) coaxially fixedly connected to the bottom end of the rotary support (300), meshing teeth are circumferentially formed in the bottom surface of the fourth gear (402), two fifth gears (403) are meshed with the fourth gear (402), the two fifth gears (403) are symmetrically arranged along the center of the axis of the fourth gear (402), the fifth gears (403) are rotationally connected to the outer side wall of the blanking pipe (105), a second lead screw (401) is coaxially connected to the fifth gears (403) in a threaded mode, one end of the second lead screw (401) is rotationally connected with a baffle (400), the baffle (400) is slidingly connected in a sliding groove, the two sliding grooves are respectively formed in two opposite side walls of the blanking pipe (105), and the sliding groove extends into the blanking pipe (105).
  7. 7. The laser marking device according to claim 6, wherein a placing groove is circumferentially formed in the inner edge of the fifth gear (403), a connecting ring (404) is arranged in the placing groove, the second lead screw (401) is in threaded connection with the inner edge of the connecting ring (404), a plurality of mounting holes are circumferentially and equally spaced in the placing groove, one end of an elastic piece (407) is fixedly connected to the hole bottom of the mounting hole, a wedge-shaped strip (406) is fixedly connected to the other end of the elastic piece (407), the wedge-shaped strip (406) is slidably connected in the mounting hole, the wedge-shaped end of the wedge-shaped strip (406) extends out of the mounting hole and into the wedge-shaped opening (405), and the wedge-shaped opening (405) is circumferentially and equally spaced at the outer edge of the connecting ring (404).
  8. 8. The laser marking device according to claim 5, wherein the power mechanism comprises a second motor (306) fixedly connected to the outer side wall of the outer sleeve frame (303), the outer sleeve frame (303) is fixedly connected to the body (100), a worm (304) is coaxially and rotatably connected to an output shaft of the second motor (306), the worm (304) is rotatably connected to the body (100), the worm (304) is meshed with the worm wheel (305), the worm (304) is in transmission connection with one of the conveying shafts (106) through a third synchronous belt mechanism (309), the conveying shafts (106) on the same side are in transmission connection through a first synchronous belt mechanism (204), and the conveying shafts (106) on the bottom are in transmission connection with the first lead screw (206) through a second synchronous belt mechanism (210).
  9. 9. A laser marking apparatus according to claim 4, wherein the index driving assembly comprises a ratchet mechanism (209) for driving the index roller (201) located below to rotate, a ratchet wheel of the ratchet mechanism (209) is fixedly connected with the index roller (201) coaxially, the ratchet mechanism (209) is connected with a third gear (208) in a transmission manner, and the third gear (208) is fixedly connected with one end of the first screw (206) extending out of the cleaning sleeve (200) coaxially.
  10. 10. The laser marking device according to claim 8, wherein a storage tank (101) corresponding to the blanking pipe (105) is arranged at the top end of the body (100), a marking cavity (104) is arranged at one side of the body (100), the outer sleeve frame (303) is fixedly connected to the marking cavity (104), a conveying assembly is arranged at the bottom of the marking cavity (104), and the conveying assembly is corresponding to the bottom end of the blanking pipe (105).

Description

Laser marking equipment Technical Field The invention belongs to the technical field of laser processing, and particularly relates to laser marking equipment. Background The laser marking is used as a non-contact permanent marking technology, and is widely applied to the information marking links such as serial numbers, two-dimensional codes, bar codes and the like of products such as metal nameplates, stamping sheet metal parts, structural parts, equipment shells and the like by virtue of the advantages of high marking precision, high speed and no consumable, so that the laser marking becomes an important means for realizing product tracing and marking in industrial production. The automatic feeding and discharging of the workpiece is gradually realized by the existing laser marking equipment, the carrying and posture adjustment of the workpiece can be completed through the matching of the material carrying mechanism, the material sucking mechanism and the external overturning device, the problems of low manual feeding and discharging efficiency and large positioning deviation are solved, and the automatic level of laser marking is improved to a certain extent. However, in the actual industrial production scene, the metal plate needs to undergo a plurality of processes such as cutting, stamping, bending and spraying, the surfaces of the metal plate are easy to adhere to mediums such as cutting fluid, lubricating oil and rust-proof oil, and meanwhile, dust particles, oxide skin residues, fingerprint marks and other pollutants in the environment can be polluted, the pollutants can change the absorption characteristics of the metal surface to laser, so that the laser effective energy can be weakened, the marking depth is insufficient, the pattern contrast is low, the quality problems such as local overburning, spots and fuzzy stroke boundaries are easy to be caused, and the quality problems such as stroke deformation and contrast reduction can also be caused for high-density information marks such as two-dimensional codes and bar codes, and the stability and accuracy of machine vision identification are influenced. In addition, the existing laser marking equipment does not integrate an on-line cleaning structure, needs to be pre-cleaned in modes of manual wiping, wet cleaning of cleaning agents and the like, has a cleaning effect greatly influenced by experience of operators, is separated from marking procedures, is insufficient in connectivity, is difficult to meet automatic requirements of continuous and batch production, and meanwhile depends on an external device to realize workpiece turn-over, double-sided marking cannot be completed at a single working position, the mechanism is complex, marking beats are limited, each action module is independently controlled by multiple drives, mechanical time sequence linkage is lacked, the system integration level is low, and the operation stability is poor. Disclosure of Invention An object of the present invention is to provide a laser marking apparatus to solve the above-mentioned problems. In order to achieve the above object, the present invention provides the following solutions: a laser marking device comprises a body, wherein a marking mechanism is arranged in the body; The marking mechanism comprises a cleaning sleeve and a blanking pipe arranged in the cleaning sleeve, the cleaning sleeve is fixedly connected with the body, the blanking pipe is fixedly connected with the cleaning sleeve, a feeding component and a cleaning component are arranged in the blanking pipe, a transposition driving component and a cleaning component for cleaning the cleaning component are arranged in the cleaning sleeve, a reversing mechanism and a limiting component are arranged below the cleaning sleeve, a laser marking head is arranged on the reversing mechanism, laser openings are formed in two opposite side walls of the blanking pipe, and the laser openings are correspondingly arranged with the laser marking head; The feeding assembly, the cleaning assembly, the transposition driving assembly, the cleaning assembly, the reversing mechanism and the limiting assembly are all in transmission connection with the power mechanism. Preferably, the feeding assembly comprises a plurality of conveying shafts, the conveying shafts are respectively arranged on two opposite inner side walls of the discharging pipe, the conveying shafts on the same side are sequentially arranged from top to bottom at intervals, the conveying shafts on two sides are arranged in a one-to-one correspondence mode, the conveying shafts are embedded into the inner side walls of the discharging pipe and are rotationally connected with the discharging pipe, the conveying shafts extend out of the inner side walls of the discharging pipe and are in contact with materials to be printed, one end of each conveying shaft extends out of the cleaning sleeve, the conveying shafts on the same side are in transmission connect