CN114918549A - Green light marking structure and laser marking device - Google Patents
Green light marking structure and laser marking device Download PDFInfo
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- CN114918549A CN114918549A CN202210584718.4A CN202210584718A CN114918549A CN 114918549 A CN114918549 A CN 114918549A CN 202210584718 A CN202210584718 A CN 202210584718A CN 114918549 A CN114918549 A CN 114918549A
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- 238000010330 laser marking Methods 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 23
- 230000031700 light absorption Effects 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims 2
- 210000001503 joint Anatomy 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/007—Marks, e.g. trade marks
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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 green light marking structure and a laser marking device. The green light marking structure comprises a shell, a laser, a beam expanding assembly and a light splitting assembly, wherein the shell is arranged in the closed cavity, a containing cavity is formed in the shell, the laser is arranged in the closed cavity, and a laser emergent port of the laser is connected with the shell. The intracavity is held in locating to the beam expanding assembly, and the beam expanding assembly includes along the coaxial laser beam expander and the green glow beam expander that set up of laser incident light direction, and one side and the butt joint of laser exit port of laser beam expander, beam splitting assembly installs in holding the chamber, and beam splitting assembly is equipped with the beam splitter, and the beam splitter is located between laser beam expander and the green glow beam expander, and the definition beam splitter is equipped with the first plane towards the green glow beam expander, and first planar normal direction is formed with the contained angle with light emission direction. The invention aims to reduce the processing cost of green laser marking, simplify the green marking structure and improve the quality of green light by forming a closed module.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to a green light marking structure and a laser marking device.
Background
Laser marking is a marking method in which a workpiece is irradiated locally with high-energy-density laser to vaporize a surface layer material or to undergo a chemical reaction of color change, thereby leaving a permanent mark. With the development of laser processing technology, in order to improve the precision and quality of laser marking, factories begin to adopt green light to carry out laser marking, however, the cost of the existing green laser marking machine is higher, the structure is complex, and the marking machine is not of a sealing structure, so that impurities such as dust and the like easily enter the marking machine to influence the quality of the green light.
Disclosure of Invention
The invention mainly aims to provide a green light marking structure, which aims to reduce the processing cost of green light laser marking, simplify the green light marking structure and improve the quality of green light by forming a closed module.
In order to achieve the above object, the green marking structure provided by the present invention comprises:
the shell is arranged in the closed cavity, and an accommodating cavity is formed in the shell;
the laser is arranged in the closed cavity, and a laser emergent port of the laser is connected with the shell;
the beam expanding assembly is arranged in the accommodating cavity and comprises a laser beam expanding lens and a green beam expanding lens which are coaxially arranged along the direction of laser incident rays, and one side of the laser beam expanding lens is butted with the laser emergent port; and
the light splitting component, the light splitting component install in hold the chamber, the light splitting component is equipped with the beam splitter, the beam splitter is located laser beam expander with between the green glow beam expander, define the beam splitter is equipped with the orientation the first plane of green glow beam expander, the normal direction and the light emission direction on first plane are formed with the contained angle.
Optionally, the included angle is in the range of 40 ° to 50 °.
Optionally, the material of the light splitting sheet is a reflective material.
Optionally, the light splitting assembly further comprises:
the beam splitter lens seat is fixedly arranged in the accommodating cavity, and the beam splitter lens seat is arranged between the laser beam expander and the green beam expander; and
the light absorption block is installed in the accommodating cavity, the light absorption block is arranged on one side of the spectroscope base, the light absorption block is defined to be provided with a light absorption surface, and the light absorption surface is arranged in parallel with the incident light direction.
Optionally, the spectroscope base further comprises a compression nut, the spectroscope base is provided with a mounting hole, the compression nut is mounted in the mounting hole, and the spectroscope is fixedly mounted in the mounting hole through the compression nut.
Optionally, a light modulation block is disposed between the beam expanding assembly and the housing, and the light modulation block is installed in the accommodating cavity.
Optionally, the light modulation blocks and the beam expanding assembly are arranged at intervals, the number of the light modulation blocks is two, and one light modulation block is arranged on the front side of the laser beam expanding lens along the direction of incident light;
and the other light adjusting block is arranged at the rear side of the green beam expander along the incident light direction.
Optionally, the light adjusting block is provided with a through hole, and the through hole is provided with a cross structure.
Optionally, a sealing joint is arranged outside the housing, and the housing is connected with the laser through the sealing joint;
the shell is connected with the closed cavity through the sealing joint;
the sealing joint is provided with a light path channel which is matched with the through hole.
The invention also provides a laser marking device which comprises a machine body and a green light marking structure, wherein the machine body is provided with the closed cavity.
According to the invention, the green light marking structure is arranged in the sealed cavity, so that the influence of impurities such as dust on the quality of laser is avoided, the shell is arranged in the sealed cavity, the accommodating cavity is formed in the shell, the laser is arranged in the sealed cavity, and the laser exit port of the laser is connected with the shell, so that the laser can enter the shell. The beam expanding assembly is installed in holding the intracavity, and the beam expanding assembly includes along the coaxial laser beam expander lens and the green glow beam expander lens that set up of laser incident light direction to make light can not take place to buckle, one side and the laser exit port butt joint of laser beam expander lens, with the incident light that the expanded beam was launched by the laser instrument. Light splitting component installs and holds the chamber, light splitting component is equipped with the beam splitter, the beam splitter is located between laser beam expander and the green glow beam expander, the definition beam splitter has the first plane towards green glow beam expander, because of first planar normal direction is formed with the contained angle with light emission direction in this application, thereby make the light beam splitting after expanding via laser beam expander be green glow and other light beams, the green glow expands and carries out laser marking to industrial product by airtight cavity emission after expanding via green glow beam expander, other light beams are absorbed by light splitting component, avoid causing the heat loss to the device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a laser marking apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a green marking structure according to an embodiment of the present invention;
FIG. 3 is a schematic view of another perspective of the green marking structure according to an embodiment of the present invention;
FIG. 4 is a schematic top view diagram of an embodiment of a green marking structure according to the present invention;
FIG. 5 is an exploded view of one embodiment of the light splitting assembly of the present invention;
fig. 6 is a schematic structural diagram of a light-adjusting block according to an embodiment of the invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 100 | Green |
1713 | |
| 110 | |
173 | |
| 111 | Containing |
1731 | Branch polished |
| 130 | |
175 | |
| 150 | |
190 | |
| 151 | Laser |
200 | |
| 153 | Green light beam expander | 210 | Closed |
| 170 | |
230 | |
| 171 | |
250 | |
| 1711 | Mounting hole |
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Laser marking is a marking method in which a workpiece is irradiated locally with high-energy-density laser to vaporize a surface layer material or to undergo a chemical reaction of color change, thereby leaving a permanent mark. With the development of laser processing technology, in order to improve the precision and quality of laser marking, a factory starts to adopt green light to perform laser marking, however, the existing green laser marking machine has high cost and a complex structure, and the marking machine is not provided with a sealing structure, so that impurities such as dust easily enter the marking machine to influence the quality of the green light.
The invention provides a green light marking structure which is simple in structure and low in cost and can solve the problems.
Referring to fig. 1 and 2 in combination, in an embodiment of the present invention, the laser marking apparatus 200 is provided with a closed cavity 210, and the green marking structure 100 includes a housing 110, a laser 130, a beam expanding assembly 150, and a beam splitting assembly 170. The shell 110 is arranged in the closed cavity 210, and an accommodating cavity 111 is formed in the shell 110; the laser 130 is installed in the closed cavity 210, and a laser exit port of the laser 130 is connected with the shell 110; the beam expanding assembly 150 is arranged in the accommodating cavity 111, the beam expanding assembly 150 comprises a laser beam expanding lens 151 and a green beam expanding lens 153 which are coaxially arranged along the direction of laser incident light, and one side of the laser beam expanding lens 151 is in butt joint with a laser emergent port; and light splitting assembly 170 is installed in holding chamber 111, and light splitting assembly 170 is equipped with beam splitter 173, and beam splitter 173 is located between laser beam expander 151 and green beam expander 153, and it is equipped with the first plane towards laser beam expander 151 to define beam splitter 173, and the normal direction and the light emission direction of first plane form the contained angle.
According to the invention, the green light marking structure 100 is arranged in the sealed cavity, so that the influence of impurities such as dust on the quality of laser is avoided, the shell 110 is arranged in the sealed cavity 210, the accommodating cavity 111 is formed in the shell 110, the laser 130 is arranged in the sealed cavity 210, and the laser exit port of the laser 130 is connected with the shell 110, so that the laser can enter the shell 110. The beam expanding assembly 150 is installed in holding chamber 111, and beam expanding assembly 150 includes along the coaxial laser beam expander 151 and the green beam expander 153 that set up of laser incident light direction to make light can not take place to buckle, one side and the laser exit port butt joint of laser beam expander 151, with the incident light that the expanded beam was launched by laser 130. Light splitting component 170 installs in holding chamber 111, light splitting component 170 is equipped with beam splitter 173, beam splitter 173 is located between laser beam expander 151 and the green glow beam expander 153, it has the first plane towards green glow beam expander 153 to define beam splitter 173, be formed with the contained angle because of the normal direction and the light emission direction on first plane in this application, thereby make the light beam splitting after expanding via laser beam expander 151 for green glow and other light beams, the green glow carries out laser marking to industrial products by airtight cavity 210 after expanding via green glow beam expander 153, other light beams are absorbed by light splitting component 170, avoid causing the heat loss to the device.
Referring to fig. 4, in an embodiment of the present invention, the beam expander is a lens assembly capable of changing a beam diameter and a divergence angle of the laser, a laser beam emitted by the laser 130 has a certain divergence angle, and the beam of the laser is changed into a collimated beam by adjusting the beam expander, so that a light spot with high power density is obtained, and a laser processing is performed on an industrial product. The laser beam expander 151 is disposed between the laser 130 and the beam splitter 173, and expands and collimates the laser beam emitted from the laser 130 into a collimated beam. Laser beam expander 151 can be for fixed beam expander, adjusts the distance between the interior lens of beam expander in advance to obtain the best parallel beam at the during operation, increase the stability of beam expander work simultaneously, also can be for adjustable beam expander, and the distance of the inside lens of beam expander is adjusted according to different laser processing's demand to the convenience, is fit for the great laser beam of angle of divergence, eliminates the influence of divergence angle in certain extent. In an embodiment of the present invention, as shown in fig. 4, the laser beam expander 151 is in a shape of a trumpet screw, and the output end thereof has a larger inner diameter, so that the size and the distance of the lens can be more conveniently adjusted, thereby obtaining a collimated and parallel high-quality laser beam.
In an embodiment of the present invention, the green beam expander 153 is disposed coaxially with the laser beam expander 151, and the green beam expander 153 is installed at a rear side of the beam splitter 173 along a light propagation direction, so that the green light transmitted through the beam splitter 173 enters the green beam expander 153, and the expanded green light is adjusted to form a light beam with high power density. The green beam expander 153 can be in the shape of horn-shaped screw threads, and the horn-shaped beam expander is arranged at the output end, so that the size and the distance of lenses in the beam expander can be conveniently adjusted, high-energy high-sealing light beams are output from the green beam expander 153, and the marks are marked on industrial products.
Referring to fig. 4, in an embodiment of the present invention, the included angle ranges from 40 ° to 50 °.
An included angle is formed between the normal direction of the first plane and the emitting direction of the laser, the included angle is set to be 40-50 degrees, and therefore the laser can be split into green light and other light beams after passing through the light splitting sheet 173, the green light is transmitted out through the light splitting sheet 173 and enters the green light beam expanding lens 153, then the industrial product is marked, the good marking quality of the split light with the low cost and the simple structure is achieved, and the green light which is stable in marking is marked.
Referring to fig. 4, in an embodiment of the invention, the material of the beam splitter 173 is a reflective material.
The surface of the spectroscope 173 is coated with a special film by vacuum evaporation, the coating material may be titanium oxide, which can better transmit and reflect the laser passing through the spectroscope 173, in other embodiments, the coating may also be made of other materials, which is not limited herein.
Referring to fig. 5, in an embodiment of the present invention, the beam splitting assembly 170 further includes a beam splitting lens seat 171 and a light absorbing block 175, the beam splitting lens seat 171 is fixedly installed in the accommodating cavity 111, and the beam splitting lens seat 171 is disposed between the laser beam expander 151 and the green beam expander 153; the light absorption block 175 is installed in the accommodating cavity 111, and the light absorption block 175 is installed at one side of the spectroscope base 171, and the light absorption block 175 is defined to have a light absorption surface, and the light absorption surface is arranged in parallel with the incident light direction.
The spectroscope mount 171 is installed in the housing 110, and may be detachably connected to the housing 110 through a screw structure, so as to facilitate assembly and processing of the device, or may be fixedly connected to the housing 110 integrally, so as to facilitate integral processing. The spectroscope base 171 may be a square structure, the middle portion of the spectroscope base 171 is provided with a mounting hole 1711, the size and the shape of the mounting hole 1711 should be matched with the spectroscope 173, the spectroscope 173 is a circular structure, the mounting hole 1711 is also a corresponding circular structure, when the spectroscope 173 is a square structure, the mounting hole 1711 is also a square, of course, in other embodiments, the mounting hole 1711 may be other shapes, and no limitation is made here. The beam splitter 173, as the name suggests, can split the laser beam into two different light beams, in an embodiment of the present invention, the beam splitter 173 is a semi-transmissive and semi-reflective structure, and the beam splitter 173 is fabricated by vacuum evaporation, so as to ensure that it has a function of changing the light transmittance. The total ratio of the transmittance and the reflectance of the beam splitter 173 is approximately one hundred percent, which can reduce the loss of light through the beam splitter 173. Through the setting of the beam splitter 173, the laser beam is split into green light and enters the beam expander behind the beam splitter 173, and then is emitted by the closed cavity 210, and the marking is performed on the industrial product. In an embodiment, a beam splitter 1731 may be inserted into the middle of the beam splitter 173 to better fix the beam splitter 173 and make it more stable during the laser transmission process. It can be understood that a portion of the light beam is transmitted through the beam splitter 173, another portion of the light beam is reflected by the beam splitter 173, and an angle is formed between the first plane and the green beam expander 153, so that the reflected light beam and the light beam emitted by the laser 130 are in a nearly perpendicular state, and therefore, the light absorption block 175 is disposed beside the beam splitter seat, and the front surface of the light absorption block 175 faces the reflected light beam, so as to sufficiently absorb the other color light beams in the laser light reflected by the beam splitter 173.
Referring to fig. 5, in an embodiment of the invention, the spectroscope base 171 further includes a compression nut 1713, the spectroscope base 171 is provided with a mounting hole 1711, the compression nut 1713 is mounted in the mounting hole 1711, and the spectroscope 173 is fixedly mounted in the mounting hole 1711 by the compression nut 1713. Set up gland nut 1713 at mounting hole 1711, the light-splitting piece 173 passes through gland nut 1713 detachably and installs in mounting hole 1711, makes things convenient for the assembly and the maintenance of light-splitting piece 173, strengthens the compactness of structure.
Referring to fig. 3, in an embodiment of the present invention, a light modulation block 190 is disposed between the beam expanding assembly 150 and the housing 110, and the light modulation block 190 is installed in the accommodating cavity 111.
A light-adjusting block 190 is disposed between the beam expander assembly 150 and the housing 110, and the light-adjusting block 190 is disposed between the laser beam expander 151 and the laser 130 and between the green beam expander 153 and the housing 110, respectively. The light adjusting block 190 is provided with a through hole for allowing light to pass through, the through hole can be of a circular structure, the size of the through hole can enable laser to completely pass through the light adjusting block 190, the through hole can also be of a square structure, in other embodiments, the through hole can also be of other structures, and no limitation is made here. The through-hole is equipped with cross structure, and cross structure sets up for the perpendicular to bottom plate, through setting up cross structure at the through-hole, can calibrate the laser that sends from laser instrument 130, makes it get into laser beam expander 151 more accurately and expand the beam, calibrates the light beam of the green glow after expanding by green glow beam expander 153 simultaneously, makes it get back to parallel orbit, increases the precision of light beam.
Referring to fig. 4, in an embodiment of the present invention, the light-adjusting block 190 and the beam expanding assembly 150 are disposed at an interval, two light-adjusting blocks 190 are provided, and one light-adjusting block 190 is disposed at the front side of the laser beam expander 151 along the incident light direction; another light-adjusting block 190 is provided at the rear side of the green beam expander 153 in the direction of the incident light.
Referring to fig. 6, in an embodiment of the present invention, the light-adjusting block 190 has a through hole, and the through hole has a cross structure.
Referring to fig. 2 and 3, in an embodiment of the present invention, a sealing joint 230 is provided outside the housing 110, and the housing 110 is connected to the laser 130 through the sealing joint 230; the shell 110 is connected with the sealed cavity 210 through a sealing joint 230; the sealing joint 230 is provided with an optical path channel, which is matched with the through hole.
By arranging the sealing joint 230 outside the shell 110, the propagation of the laser is always in a closed space, and the influence of impurities such as dust on the quality of the laser is reduced. The sealing joints 230 are disposed between the housing 110 and the laser 130 and between the housing 110 and the sealed cavity 210, and can better fit the light-adjusting block 190 in the housing 110, so as to reduce the probability that the laser propagation is interfered by the external environment. The sealing joint 230 may be a cylindrical structure, and the middle portion of the sealing joint 230 is provided with an optical path channel, and the size and shape of the optical path channel are matched with those of the through hole, so that the light adjusting block 190 is tightly connected with the sealing joint 230. The sealing joint 230 may be detachably connected to the housing 110 by a screw structure, so as to facilitate assembly of the device, or may be integrally designed with the housing 110, so as to enhance the compactness of the structure and make it more stable, but of course, in other embodiments, the connection between the sealing joint 230 and the housing 110 may be another structure, which is not limited herein.
In an embodiment of the present invention, referring to fig. 3, a laser galvanometer is further installed outside the sealed cavity 210, and the laser galvanometer is installed on the sealed cavity 210 through a galvanometer installation plate installed on a front side plate of the sealed cavity 210. The laser galvanometer drives the laser beam to deflect and translate on an X-Y plane through an X-Y optical scanning head, so that the green light marking structure 100 can mark ideal symbols and marks on industrial products.
The invention further provides a laser marking device 200, wherein the laser marking device 200 comprises a machine body 250 and a green light marking structure 100, and the machine body 250 is provided with a closed cavity 210. The specific structure of the green light marking structure 100 refers to the above embodiments, and since the laser marking device 200 adopts all technical solutions of all the above embodiments, all beneficial effects brought by the technical solutions of the above embodiments are at least achieved, and are not described in detail herein.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a mark structure is beaten to green glow is applied to the laser marking device, the laser marking device is equipped with airtight cavity, its characterized in that, the mark structure is beaten to the green glow includes:
the shell is arranged in the closed cavity, and an accommodating cavity is formed in the shell;
the laser device is arranged in the closed cavity, and a laser emergent port of the laser device is connected with the shell;
the beam expanding assembly is arranged in the accommodating cavity and comprises a laser beam expanding lens and a green beam expanding lens which are coaxially arranged along the direction of laser incident rays, and one side of the laser beam expanding lens is butted with the laser emergent port; and
the light splitting component, the light splitting component install in hold the chamber, the light splitting component is equipped with the beam splitter, the beam splitter is located laser beam expander with between the green glow beam expander, define the beam splitter is equipped with the orientation the first plane of green glow beam expander, the normal direction and the light emission direction on first plane are formed with the contained angle.
2. The green marking structure of claim 1, wherein the included angle is in a range of 40 ° to 50 °.
3. The green marking structure of claim 1, wherein the beam splitter is made of a reflective material.
4. The green marking structure of claim 1, wherein the light splitting assembly further comprises:
the beam splitter lens seat is fixedly arranged in the accommodating cavity, and the beam splitter lens seat is arranged between the laser beam expander and the green beam expander; and
the light absorption block is installed in the accommodating cavity, is arranged on one side of the spectroscope base and is defined to be provided with a light absorption surface, and the light absorption surface is arranged in parallel with the incident light direction.
5. The green marking structure of claim 4, wherein the spectroscope base further comprises a compression nut, the spectroscope base is provided with a mounting hole, the compression nut is mounted in the mounting hole, and the spectroscope is fixedly mounted in the mounting hole through the compression nut.
6. The green marking structure of claim 1, wherein a light conditioning block is disposed between the beam expanding assembly and the housing, the light conditioning block being mounted within the receiving cavity.
7. The green marking structure of claim 6, wherein the two light-adjusting blocks are spaced apart from the beam-expanding assembly, and one light-adjusting block is disposed at a front side of the laser beam-expanding lens along a direction of incident light;
and the other light adjusting block is arranged at the rear side of the green beam expander along the incident light direction.
8. The green marking structure as claimed in claim 7, wherein the light adjusting block is provided with a through hole, and the through hole is provided with a cross structure.
9. The green marking structure of claim 8, wherein a sealing joint is provided outside the housing, the housing being connected to the laser through the sealing joint;
the shell is connected with the closed cavity through the sealing joint;
the sealing joint is provided with a light path channel, and the light path channel is matched with the through hole.
10. A laser marking device, characterized by comprising a machine body and the green marking structure as claimed in any one of claims 1 to 9, wherein the machine body is provided with the closed cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584718.4A CN114918549A (en) | 2022-05-27 | 2022-05-27 | Green light marking structure and laser marking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210584718.4A CN114918549A (en) | 2022-05-27 | 2022-05-27 | Green light marking structure and laser marking device |
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| Publication Number | Publication Date |
|---|---|
| CN114918549A true CN114918549A (en) | 2022-08-19 |
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|---|---|---|---|
| CN202210584718.4A Pending CN114918549A (en) | 2022-05-27 | 2022-05-27 | Green light marking structure and laser marking device |
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| CN (1) | CN114918549A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN208343711U (en) * | 2018-05-30 | 2019-01-08 | 佛山市联动科技实业有限公司 | A kind of green light double end marking machine that light splitting is continuously adjustable |
| CN113732517A (en) * | 2021-08-12 | 2021-12-03 | 大族激光科技产业集团股份有限公司 | Laser processing equipment and system |
| CN114156726A (en) * | 2021-12-29 | 2022-03-08 | 索镭德激光科技(苏州)有限公司 | Double-optical-path double-wavelength output laser |
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| CN2099299U (en) * | 1991-08-30 | 1992-03-18 | 华中理工大学 | Non-contact type ultra-precise surface measuring equipment |
| CN202167754U (en) * | 2011-06-30 | 2012-03-14 | 北京镭宝光电技术有限公司 | Laser beam splitting device |
| CN206105146U (en) * | 2016-09-19 | 2017-04-19 | 武汉光谷航天三江激光产业技术研究院有限公司 | Laser precision finishing light path |
| CN106911062A (en) * | 2017-04-13 | 2017-06-30 | 江苏天元激光科技有限公司 | A kind of green glow output optical fibre laser |
| CN208343711U (en) * | 2018-05-30 | 2019-01-08 | 佛山市联动科技实业有限公司 | A kind of green light double end marking machine that light splitting is continuously adjustable |
| CN113732517A (en) * | 2021-08-12 | 2021-12-03 | 大族激光科技产业集团股份有限公司 | Laser processing equipment and system |
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