CN113732543A - Integrated water cooling system for laser marking equipment and laser marking equipment - Google Patents
Integrated water cooling system for laser marking equipment and laser marking equipment Download PDFInfo
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- CN113732543A CN113732543A CN202111200391.8A CN202111200391A CN113732543A CN 113732543 A CN113732543 A CN 113732543A CN 202111200391 A CN202111200391 A CN 202111200391A CN 113732543 A CN113732543 A CN 113732543A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 220
- 238000001816 cooling Methods 0.000 title claims abstract description 111
- 238000010330 laser marking Methods 0.000 title claims abstract description 66
- 230000001681 protective effect Effects 0.000 claims description 35
- 239000000498 cooling water Substances 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 description 26
- 239000010959 steel Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 25
- 238000001514 detection method Methods 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010147 laser engraving Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 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
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
- B23K26/703—Cooling arrangements
-
- 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
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
-
- 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
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an integrated water cooling system for laser marking equipment and the laser marking equipment, wherein the integrated water cooling system comprises an outer box body, a laser generator arranged in a first sub-box body in the outer box body, and a water cooling device arranged in a second sub-box body in the outer box body; a first waterway pipeline is also arranged in the first sub-box body; a second water inlet interface and a second water outlet interface are arranged on the box wall of the second sub-box body, an outlet of a second water path pipeline of the water cooling device is connected with the second water outlet interface, and an inlet of the second water path pipeline is connected with the second water inlet interface; the first water inlet interface is communicated with the second water outlet interface, the first water outlet interface is communicated with the second water inlet interface, and then a first water channel pipeline in the first sub-box body and a second water channel pipeline of the water cooling device form a first circulating water channel. According to the invention, on the premise of ensuring that the laser marking equipment can normally run in a high-heat environment, the water cooling device and the laser module are integrated, so that the cost is reduced.
Description
Technical Field
The invention relates to the technical field of cooling protection of laser technology application equipment, in particular to an integrated water cooling system for laser marking equipment and the laser marking equipment.
Background
Along with the increasing marking demand of the metallurgical industry, laser marking is carried out at the same time, and the laser marking has the characteristics of high marking speed, low running cost, no pollution and the like. However, a problem that is urgently needed to be solved in the laser marking process is the influence of high thermal environment on the laser and related equipment.
At present, in order to reduce the influence of high thermal environment, a cooling device is often installed at the position of a laser light source, namely a water cooling jacket, a heat pipe radiator and an air cooling radiator are installed, but a common water cooling radiator needs a cooling water circulation system, for a split type marking system, a complex water cooling radiator loop design needs to be carried out, or a circulating water system is designed respectively, so that the problems of design and complex matching can occur, and the cost is increased.
Therefore, an integrated water cooling system for a laser marking device and a laser marking device are needed.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides an integrated water cooling system for laser marking equipment and the laser marking equipment, and the technical scheme is as follows:
on one hand, the invention provides an integrated water cooling system for laser marking equipment, which comprises an outer box body, a laser generator and a water cooling device, wherein the water cooling device comprises a water pump, a water cooling block, a heat exchanger and a cooling fan;
a first water channel pipeline is also arranged in the first sub-box body, and two ends of the first water channel pipeline are respectively connected with a first water inlet interface and a first water outlet interface which are arranged on the wall of the first sub-box body; a second water inlet interface and a second water outlet interface are arranged on the box wall of the second sub-box body, an outlet of a second waterway pipeline of the water cooling device is connected with the second water outlet interface, and an inlet of the second waterway pipeline is connected with the second water inlet interface;
the first water inlet interface is communicated with the second water outlet interface, the first water outlet interface is communicated with the second water inlet interface, and then a first water channel pipeline in the first sub-box body and a second water channel pipeline of the water cooling device form a first circulating water channel;
and an air outlet communicated with the outside of the outer box body is also formed in the box wall of the second sub-box body and used for discharging airflow in the second sub-box body.
Further, the heat exchanger is arranged in a region opposite to the air outlet, and the cooling fan is arranged in a region opposite to the heat exchanger.
Preferably, the outer box is also provided with a thermal insulation layer.
Further, laser generator embeds has the board that is used for supporting the laser generator body of laser generator, first water route pipeline sets up in the board.
Preferably, a plurality of pulleys are arranged at the bottom of the outer box body.
In another aspect, the present invention provides a laser marking device with an integrated water cooling system, comprising a galvanometer, a field lens and the integrated water cooling system as described above; the laser generator emits laser to the vibrating mirror, the vibrating mirror is used for reflecting the laser to enable the laser to reach the field lens, and the field lens is used for enabling the laser penetrating through the field lens to be focused.
Further, the galvanometer and the field lens are arranged in a first protective shell, a third water channel pipeline is arranged in the first protective shell, and the third water channel pipeline is made of heat conducting materials;
be equipped with third interface, third interface of intaking on the lateral wall of first protecting crust, third water route pipeline is in proper order extend on a plurality of inside walls of first protecting crust, and its both ends respectively with third interface, the third interface connection of going out water.
Furthermore, the water cooling device further comprises a fourth water channel pipeline, a fourth water inlet interface and a fourth water outlet interface are arranged on the wall of the second sub-tank body, an outlet of the fourth water channel pipeline is connected with the fourth water outlet interface, and an inlet of the fourth water channel pipeline is connected with the fourth water inlet interface;
the fourth water inlet interface is communicated with the third water outlet interface, the fourth water outlet interface is communicated with the third water inlet interface, and then a third water path pipeline in the first protection shell and a fourth water path pipeline of the water cooling device form a second circulating water path.
Furthermore, the first protection shell is arranged outside the outer box body, the fourth water inlet interface is connected with the third water outlet interface through an extension water pipe, and the fourth water outlet interface is connected with the third water inlet interface through an extension water pipe;
a second circulating water channel formed by a third water channel pipeline in the first protective shell and a fourth water channel pipeline of the water cooling device is a normal-temperature water channel;
and a first circulating water channel formed by a first water channel pipeline in the first sub-box body and a second water channel pipeline of the water cooling device is a cooling water channel.
Furthermore, the output end of the laser generator is connected with a laser joint through an optical fiber, the laser marking equipment further comprises a collimator, the input end of the collimator is connected with the laser joint, and the output end of the collimator emits the shaped laser to the vibrating mirror; the collimator is arranged in the second protective shell and is arranged on the outer wall of the first protective shell through an installation joint;
the laser joint is provided with two cooling interfaces and a sub-cooling water path between the two cooling interfaces, the mounting joint of the collimator is provided with two cooling interfaces and a sub-cooling water path between the two cooling interfaces, the field lens is provided with two cooling interfaces and a sub-cooling water path between the two cooling interfaces, the mounting joint of the laser joint and the collimator and the respective cooling interface of the field lens and the third water inlet and the third water outlet on the first protective shell are connected with the fourth water inlet and the fourth water outlet on the wall of the second sub-box body in a non-directional sequence, so that the mounting joint of the laser joint and the collimator, the respective sub-cooling water path of the field lens, the third water path pipeline and the fourth water path pipeline of the water cooling device are in the same circulating water path.
Preferably, the maximum value of the refrigeration power of the water cooling device reaches 2000W, and the maximum value of the working power of the laser generator is 2000W.
The technical scheme provided by the invention has the following beneficial effects: under the prerequisite of guaranteeing that laser marking equipment can normal operating under the high thermal environment, collect water cooling plant and laser module in an organic whole, the water cooling system greatly reduced cost of integral type, simultaneously, it is more convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of a laser marking apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a laser marking apparatus provided in an embodiment of the present invention;
FIG. 3 is a rear view of FIG. 2;
fig. 4 is a schematic view of a first partial structure of a laser marking apparatus according to an embodiment of the present invention;
fig. 5 is a second partial structural schematic view of a laser marking apparatus provided in an embodiment of the present invention;
fig. 6 is a schematic diagram of a third partial structure of the laser marking apparatus according to the embodiment of the present invention;
FIG. 7 is a front view of FIG. 6;
fig. 8 is a schematic cross-sectional view of a protective device of a laser marking apparatus according to an embodiment of the present invention;
FIG. 9 is an exploded view of FIG. 8;
fig. 10 is a schematic diagram of a laser marker according to an embodiment of the present invention.
Wherein the reference numerals include: 1-an outer box body, 2-a laser generator, 3-a water cooling device, 41-a first water inlet interface, 42-a first water outlet interface, 43-a second water inlet interface, 44-a second water outlet interface, 45-a third water inlet interface, 46-a third water outlet interface, 47-a fourth water inlet interface, 48-a fourth water outlet interface, 51-a first protective shell, 52-a second protective shell, 6-a third waterway pipeline, 71-a laser joint, 72-a collimator, 73-an installation joint, 74-an optical fiber, 81-a first bracket layer, 811-a first bracket, 812-a vertical wall, 813-an air inlet hole, 82-a second bracket layer, 821-a second bracket, 83-a third bracket layer, 831-a third bracket, 84-a protective lens, 9-display screen, 10-lighthouse, 11-upright post, 12-pulley.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.
In an embodiment of the invention, an integrated water cooling system for laser marking equipment is provided, as shown in fig. 2 and 3, the integrated water cooling system comprises an outer box 1, a laser generator 2 and a water cooling device 3, wherein the water cooling device 3 comprises a water pump, a water cooling block, a heat exchanger and a cooling fan. The outer box body 1 comprises a first sub-box body and a second sub-box body, the laser generator 2 is arranged in the first sub-box body in the outer box body 1, the water cooling device 3 is arranged in the second sub-box body in the outer box body 1, a plurality of pulleys 12 are arranged at the bottom of the outer box body 1, the pulleys 12 are preferably universal wheels, and the positions and the number of the pulleys 12 are arranged according to actual conditions, so that the protection range of the invention is not limited.
The water cooling device 3 is used for cooling the laser generator 2. A first water path pipeline is arranged in the first sub-box body, a machine table for supporting a laser generator body of the laser generator 2 is arranged in the laser generator 2, the first water path pipeline is arranged in the machine table, as shown in fig. 3, a first water inlet port 41 and a first water outlet port 42 are arranged on the wall of the first sub-box body, one end of the first water path pipeline is connected with the first water inlet port 41, and the other end of the first water path pipeline is connected with the first water outlet port 42; a second water channel pipeline is arranged in the water cooling device 3, a second water inlet interface 43 and a second water outlet interface 44 are arranged on the wall of the second sub-tank body, one end of the second water channel pipeline is connected with the second water inlet interface 43, and the other end of the second water channel pipeline is connected with the second water outlet interface 44. Specifically, the first water inlet port 41 is communicated with the second water outlet port 44, the first water outlet port 42 is communicated with the second water inlet port 43, and then the first water path pipeline in the first sub-box and the second water path pipeline in the water cooling device 3 form a first circulation water path, so that the laser generator 2 is cooled through the first circulation water path. In this embodiment, as shown in fig. 1, the first circulation water path is a cold water path.
And a heat insulation layer and an air outlet are further arranged in the second sub-box body, and the air outlet is communicated with the outside of the outer box body 1 so as to discharge air flow in the second sub-box body. The heat exchanger is arranged in the area opposite to the air outlet, and the cooling fan is arranged in the area opposite to the heat exchanger. The water pump, the water cooling block and the heat exchanger are arranged in the first circulating water path to form a cold water path. Further, it is preferable that the outer case is also provided with a heat insulating layer.
In addition, the maximum value of the cooling power of the water cooling device 3 reaches 2000W, and in the present embodiment, the actual cooling power of the water cooling device 3 is 1700W.
In an embodiment of the present invention, there is provided a laser marking apparatus with an integrated water cooling system, the laser marking apparatus includes a laser module, an optical module, and the integrated water cooling system as described above, wherein the laser module includes a laser generator 2, a laser joint 71, and a control unit, the laser generator 2 is a non-pulse laser, and the maximum working power of the laser generator 2 is 2000W; the optical module comprises a collimator 72, a galvanometer and a field lens, wherein the output end of the collimator 72 transmits the shaped laser to the galvanometer, the galvanometer is used for reflecting the laser to enable the laser to reach the field lens, and the field lens is used for focusing the laser penetrating through the field lens.
In an embodiment of the present invention, the water cooling device 3 is further configured to cool the optical module. As shown in fig. 3, 6 and 7, a third water channel 6 made of a heat conductive material is disposed in the first protective case 51, a third water inlet 45 and a third water outlet 46 are disposed on a wall of the first protective case 51, the third water channel 6 sequentially extends on a plurality of inner side walls of the first protective case 51, and one end of the third water channel 6 is connected to the third water inlet 45, and the other end is connected to the third water outlet 46; still be equipped with fourth water route pipeline in the water cooling plant 3, still be equipped with fourth interface 47 and the fourth interface 48 of going out of intaking on the tank wall of second subbox, the one end of fourth water route pipeline with the fourth interface 47 of going into is connected, the other end with the fourth interface 48 of going out of is connected. Specifically, the third water inlet port 45 is communicated with the fourth water outlet port 48 through an extension water pipe, the third water outlet port 46 is communicated with the fourth water inlet port 47 through an extension water pipe, and then the third water channel 6 in the first protective shell 51 and the fourth water channel of the water cooling device 3 form a second circulation water channel, and the optical module is cooled through the second circulation water channel. In the present embodiment, as shown in fig. 1, the second circulation water path is a normal temperature water path.
Furthermore, two cooling interfaces and a sub cooling water path therebetween are arranged on the laser joint 71, two cooling interfaces and a sub cooling water path therebetween are arranged on the mounting joint 73 of the collimator 72, two cooling interfaces and a sub cooling water path therebetween are arranged at the field lens, and the cooling interface at the laser joint 71, the cooling interface at the mounting joint 73 of the collimator 72, the cooling interface at the field lens, the third water inlet 45, the third water outlet 46, the fourth water inlet 47, and the fourth water outlet 48 are connected in a non-directional order, so that the sub cooling water path at the laser joint 71, the sub cooling water path at the mounting joint 73, the sub cooling water path at the field lens, the third water path pipe 6, and the fourth water path pipe are in the same circulation water path.
Specifically, in this embodiment, the fourth water outlet port 48 is connected to the third water inlet port 45, the third water inlet port 45 is connected to one cooling port at the field lens, the other cooling port at the field lens is connected to one cooling port at the galvanometer lens, the other cooling port at the galvanometer lens is connected to one cooling port at the mounting joint 73 of the collimator 72, the other cooling port at the mounting joint 73 is connected to one cooling port at the laser joint 71, the other cooling port at the laser joint 71 is connected to the third water outlet port 46, the third water outlet port 46 is connected to the fourth water inlet port 47, and when the ports are communicated with each other, the normal temperature circulating water circulates along the fourth water passage pipe, the third water passage pipe 6 and the sub-cooling water passages, so as to cool down the optical module. It should be noted that the connection sequence described in this paragraph is only an example, and does not limit the scope of the present invention.
As shown in fig. 1, the control unit is connected to the laser generator 2 to control parameters such as the working frequency and the working power of the laser emitted by the laser generator 2, and the control unit is further connected to the galvanometer to control parameters such as the rotation angle, the rotation direction, the moving speed, and the displacement of the galvanometer, so as to mark predefined marking content on the metallurgical plate based on the parameters. Specifically, in this embodiment, the control unit is electrically connected to the scanning system of the galvanometer through a signal line, the scanning system of the galvanometer controls the rotation angle and the rotation direction of the galvanometer according to a received control signal from the control unit, and the laser generator 2 is similar to the galvanometer, which is not described herein again, and it should be noted that the connection manner may be the signal line exemplified above, or may be a communication module, which does not limit the protection scope of the present invention.
Specifically, as shown in fig. 1, under the control of the control unit, the laser generator 2 emits laser light according to parameters such as a preset working frequency and a preset working power, the laser light is transmitted through the optical fiber 74, and is shaped by the collimator 72, the laser light is emitted to the galvanometer, the galvanometer can reflect the laser light to reach the field lens, the field lens focuses the laser light penetrating through the field lens to the engraving area, and the laser light displays engraving content on the surface of the metallurgical plate disposed in the engraving area, wherein the engraving content is convex and/or concave relative to the surface of the metallurgical plate. It should be noted that the engraving content includes not only the batch number of the metallurgical plate, but also the LOGO and the anti-counterfeiting number, so the laser engraving device can not only perform batch detection, but also perform anti-counterfeiting identification, and the specific engraving content includes, but is not limited to, one or more of raised or recessed characters, figures, numbers, letters, bar codes and two-dimensional codes.
In one embodiment of the present invention, the laser generator 2 is a continuous laser, the continuous laser sequentially outputs laser light at a set operating frequency under the control of the control unit, and the power of the laser light continuously output in each period is constant at a set output power value.
Specifically, when a field selection lens with the focal length ranging from 200mm to 400mm is used, the output power of the continuous laser is set within the range from 100W to 800W, the working frequency of the continuous laser is set within the range from 10kHz to 60kHz, and the rotation rate of the vibrating mirror is set within the range from 5mm/s to 200mm/s, so that the marked content is marked on the surface of the metallurgical plate in a protruding mode at one time, preferably, the output power of the continuous laser is 500W, the working frequency of the continuous laser is 50kHz, and the rotation rate of the vibrating mirror is 100 mm/s.
When the field lens is selected within the focal length range of 150mm to 400mm, the output power of the continuous laser is set within the range of 1400W to 2200W, the working frequency of the continuous laser is set within the range of 10kHz to 60kHz, and the rotation rate of the vibrating mirror is set within the range of 800mm/s to 2200mm/s, so that the engraving content is displayed on the surface of the metallurgical plate in a concave manner at one time.
In an embodiment of the present invention, the collimator 72 is a QBH collimator, and the laser transmitted by the optical fiber 74 can be shaped by the collimator 72, and then the laser can be reflected by the galvanometer and then hit the field lens, and the diameter of the laser spot ranges from 10 micrometers to 50 micrometers.
In an embodiment of the invention, a protective device is further arranged below the field lens for protecting the field lens, so that the splashed metal is prevented from damaging the field lens, and the marking effect is further influenced.
As shown in fig. 8 and 9, the protecting device includes a first bracket layer 81, a second bracket layer 82, and a third bracket layer 83, and the first bracket layer 81, the second bracket layer 82, and the third bracket layer 83 are all hollow structures. An air inlet hole 813 is formed in the first bracket layer 81, a first bracket 811 protruding inwards is arranged on the inner side wall of the first bracket layer 81, the first bracket 811 is used for supporting the field lens, and a vertical wall 812 extending downwards from the lower side of the first bracket 811 is further arranged on the first bracket layer 81; the second bracket layer 82 is arranged inside the vertical wall 812 and fixedly connected with the lower surface of the first bracket 811, the inner side wall of the second bracket layer 82 is provided with a second bracket 821 protruding inwards, and the second bracket 821 is used for supporting the protective lens 84; the inner side wall of the third bracket layer 83 is provided with a third bracket 831 protruding inwards, the first bracket layer 81 and the third bracket layer 83 are buckled up and down, the standing wall 812 of the first bracket layer 81 extends into the third bracket layer 83, and the standing wall 812, the inner side wall of the third bracket layer 83 and the third bracket 831 form a spacing area.
As shown in fig. 8, the protection device further includes a protection lens 84 having a transparent structure and an air knife structure disposed on the periphery of the protection lens 84, where the air knife structure includes the air inlet hole 813, a spacing area formed by the standing wall 812 and the inner side wall of the third bracket layer 83, and a spacing area formed by the standing wall 812 and the third bracket 831, so that the air flow input from the air inlet hole 813 can reach the lower side of the third bracket layer 83 through the air knife structure, that is, the air flow converges toward the center below the protection lens 84.
In this embodiment, the protective lens 84 is circular; the first bracket layer 81, the second bracket layer 82 and the third bracket layer 83 are all circular rings; the first saddle 811, the second saddle 821, the third saddle 831 and the vertical wall 812 are all arranged circumferentially continuously, and the outer side of the vertical wall 812 is provided with an inclined plane inclined from top to bottom inwards, and the included angle between the inclined plane and the corresponding vertical plane is 60 degrees; the air inlet holes 813 extend inwards from the side wall of the first bracket layer 81, and the number of the air inlet holes 813 is two and the two air inlet holes are respectively positioned at the equal division points of the circumference where the first bracket layer 81 is positioned; the second bracket layer 82 is fixedly connected with the lower surface of the first bracket 811 through a plurality of screws, and the third bracket layer 83 is fixedly connected with the lower surface of the first bracket layer 81 through a plurality of screws. It should be noted that the first saddle 811 and the second saddle 821 may also be discontinuously arranged at intervals, the included angle between the inclined surface at the vertical wall 812 and the corresponding vertical surface ranges from 15 ° to 89 °, the number of the air inlet holes 813 may be one or more, and the connection manner of the saddle and the saddle is not limited to screw connection.
In addition, under the condition that first bracket layer 81 with third bracket layer 83 fixed connection, second bracket layer 82 can with first bracket layer 81 separation for be used for changing protective glass 84, convenient and fast practices thrift maintenance duration.
As shown in fig. 2 and 3, a display screen 9, a lighthouse 10 and a pulley 12 are further disposed on the outer box 1, in this embodiment, the display screen 9 is a touch screen, and a user can adjust relevant parameters of the laser generator 2 and the galvanometer through the touch screen to control the laser marking device to work.
In an embodiment of the present invention, as shown in fig. 10, a laser marking machine with an integrated water cooling system is provided, and the laser marking machine includes a marking control cabinet and a marking output platform, wherein the marking control cabinet includes a human-computer interface, an industrial personal computer, a laser and a water cooling device 3, and the marking output platform includes a QBH connector, a galvanometer, a field lens and an air curtain. The laser is connected with the human-computer interface through the industrial personal computer, generates laser and outputs the laser to the vibrating mirror through the QBH joint, and the laser is output to the field mirror after the vibrating mirror to realize marking of steel.
The water cooling device 3 is used for radiating heat of the laser; the laser adopts a 1.5KW laser, the 1.5KW laser is controlled and generated through an industrial personal computer starting signal, and the laser is externally output to the vibrating mirror through the QBH joint; the galvanometer adopts a film-coated galvanometer, the requirement on a high-power laser is met, the input of the mark is realized through a human-computer interface, and meanwhile, the industrial personal computer converts the mark into a driving signal to drive the galvanometer to operate, so that the marking of the mark is realized; the field lens is treated by adopting a replaceable coating with a focal length of 330mm, so that a large amount of hot sparks generated during marking are prevented from splashing to the field lens; the air curtains are arranged on two sides of the field lens, form an included angle of 10 degrees with the field lens, and downwards spray air of 0.5Mpa, so that a large amount of hot sparks generated during marking are prevented from splashing to the field lens.
The laser marking machine shortens marking time, shortens the marking time to 60-70 seconds, deepens the marking depth, enables the marking depth to reach 0.01-2 mm, and prolongs the service life of the field lens through air curtains, film coating and other modes.
In an embodiment of the present invention, there is provided a marking method for marking a metallurgical plate to be marked by using the above-mentioned laser marking apparatus or laser marking machine, the marking method including:
and controlling the non-pulse laser to emit laser at a preset working frequency and output power, so that the surface of the metallurgical plate positioned in the imprinting area shows imprinting contents, wherein the imprinting contents are in a convex shape and/or a concave shape relative to the surface of the metallurgical plate.
The working process of the non-pulse laser used in the marking method and the working process of the non-pulse laser used in the laser marking machine or the laser marking device described in the above embodiments belong to the same idea, and the whole content of the embodiment of the laser marking machine or the laser marking device is incorporated into the embodiment of the marking method by full text reference, which is not described again.
In one embodiment of the present invention, there is provided a steel sheet batch inspection method including the steps of:
sequentially conveying the produced steel plates to an identification platform;
utilizing laser marking equipment to mark the surface of the steel plate conveyed to the identification platform, which corresponds to a marking area, wherein the laser marking equipment comprises a non-pulse laser which sequentially outputs laser at a set working frequency, the power of the laser continuously output in each period is constant to be a set output power value, so that the marking content is in a convex shape and/or a concave shape relative to the surface of the steel plate, and the marking content comprises preset batch identification;
performing quality spot check on the steel plates subjected to the marking, and if the spot check is unqualified, searching the steel plates belonging to the same batch as the steel plates subjected to the spot check and unqualified according to the batch marks marked on the steel plates;
and (4) carrying out corresponding treatment after detection on all the steel plates of the batch.
It should be noted that, the steel plate batch detection method may control the rotation angle and rotation speed of the galvanometer according to the pre-acquired conveying speed of the steel plate and the current marking content, so as to complete laser marking in the steel plate conveying process, or may also stop for a preset time to perform marking in the steel plate conveying process, without limiting the protection scope of the present invention; in addition, the working process of the laser marking device used in the steel plate batch detection method and the working process of the laser marking machine or the laser marking device described in the above embodiments belong to the same idea, and the entire contents of the above laser marking machine or the laser marking device embodiments are incorporated into the steel plate batch detection method embodiments by way of full citation, and are not described again.
In one embodiment of the invention, a method for detecting authenticity of a steel plate is provided, which comprises the following steps:
sequentially conveying the produced steel plates to an identification platform;
utilizing laser marking equipment to mark the surface of the steel plate conveyed to the identification platform, which corresponds to a marking area, wherein the laser marking equipment comprises a non-pulse laser which sequentially outputs laser at a set working frequency, the power of the laser continuously output in each period is constant to be a set output power value, so that the marking content is in a convex shape and/or a concave shape relative to the surface of the steel plate, and the marking content comprises a preset LOGO identification and/or an anti-counterfeiting number;
performing false and false sampling inspection on the steel plate after the marking is finished, and if the marked LOGO mark or the anti-counterfeiting number on the steel plate does not accord with a preset real LOGO mark or an anti-counterfeiting number, determining that the steel plate is a counterfeit product;
the steel plate is subjected to a corresponding treatment, such as a destruction or scrapping treatment.
It should be noted that the working process of the laser marking device used in the steel plate authenticity detection method and the working process of the laser marking machine or the laser marking device described in the above embodiments belong to the same idea, and the entire contents of the above embodiments of the laser marking machine or the laser marking device are incorporated into the embodiments of the steel plate authenticity detection method by way of full text reference, and are not described again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing is directed to embodiments of the present application and it is noted that numerous modifications and adaptations may be made by those skilled in the art without departing from the principles of the present application and are intended to be within the scope of the present application.
Claims (11)
1. An integrated water cooling system for laser marking equipment comprises an outer box body (1), a laser generator (2) and a water cooling device (3), wherein the water cooling device (3) comprises a water pump, a water cooling block, a heat exchanger and a cooling fan, and is characterized in that the laser generator (2) is arranged in a first sub-box body in the outer box body (1), the water cooling device (3) is arranged in a second sub-box body in the outer box body (1), and the second sub-box body is provided with a heat insulation layer;
a first waterway pipeline is also arranged in the first sub-box body, and two ends of the first waterway pipeline are respectively connected with a first water inlet interface (41) and a first water outlet interface (42) which are arranged on the wall of the first sub-box body; a second water inlet connector (43) and a second water outlet connector (44) are arranged on the wall of the second sub-tank body, an outlet of a second water channel pipeline of the water cooling device (3) is connected with the second water outlet connector (44), and an inlet of the second water channel pipeline is connected with the second water inlet connector (43);
the first water inlet port (41) is communicated with the second water outlet port (44), the first water outlet port (42) is communicated with the second water inlet port (43), and a first water channel pipeline in the first sub-box body and a second water channel pipeline of the water cooling device (3) form a first circulating water channel;
and an air outlet communicated with the outside of the outer box body (1) is also formed in the box wall of the second sub-box body and used for discharging airflow in the second sub-box body.
2. The integrated water cooling system for laser marking equipment as claimed in claim 1, wherein the heat exchanger is disposed at an area opposite to the air outlet, and the cooling fan is disposed at an area opposite to the heat exchanger.
3. The integrated water cooling system for laser marking apparatus as claimed in claim 1, wherein the outer case (1) is also provided with a heat insulating layer.
4. The integrated water cooling system for the laser marking equipment as claimed in claim 1, wherein a machine table for supporting a laser generator body of the laser generator (2) is arranged in the laser generator (2), and the first water path pipeline is arranged in the machine table.
5. The integrated water cooling system for laser marking equipment as claimed in claim 1, wherein a plurality of pulleys (12) are provided at the bottom of the outer case (1).
6. Laser marking equipment with an integrated water cooling system, which is characterized by comprising a galvanometer, a field lens and the integrated water cooling system as claimed in any one of claims 1 to 5; the laser generator (2) is to the mirror that shakes launches laser, the mirror that shakes is used for the reflection laser to make its arrival field lens, the field lens is used for making the laser focus who sees through it.
7. The laser marking apparatus according to claim 6, wherein the galvanometer and the field lens are disposed in a first protective housing (51), a third water path pipe (6) is disposed in the first protective housing (51), and the third water path pipe (6) is made of a heat conductive material;
be equipped with third water inlet (45), third water outlet (46) on the lateral wall of first protecting crust (51), third water route pipeline (6) are in proper order extend on a plurality of inside walls of first protecting crust (51), and its both ends respectively with third water inlet (45), third water outlet (46) are connected.
8. The laser marking device according to claim 7, wherein the water cooling apparatus (3) further comprises a fourth water channel, a fourth water inlet (47) and a fourth water outlet (48) are provided on the wall of the second sub-tank, an outlet of the fourth water channel is connected to the fourth water outlet (48), and an inlet of the fourth water channel is connected to the fourth water inlet (47);
the fourth water inlet interface (47) is communicated with the third water outlet interface (46), the fourth water outlet interface (48) is communicated with the third water inlet interface (45), and then the third water channel pipeline (6) in the first protection shell (51) and the fourth water channel pipeline of the water cooling device (3) form a second circulating water channel.
9. The laser marking apparatus according to claim 8, wherein the first protective shell (51) is disposed outside the outer box (1), the fourth water inlet (47) and the third water outlet (46) are connected by an extension water pipe, and the fourth water outlet (48) and the third water inlet (45) are connected by an extension water pipe;
a second circulating water channel formed by a third water channel pipeline (6) in the first protective shell (51) and a fourth water channel pipeline of the water cooling device (3) is a normal-temperature water channel;
and a first circulating water channel formed by a first water channel pipeline in the first sub-box body and a second water channel pipeline of the water cooling device (3) is a cooling water channel.
10. The laser marking apparatus according to claim 8, wherein the output end of the laser generator (2) is connected to a laser connector (71) through an optical fiber, the laser marking apparatus further comprising a collimator (72) having an input end connected to the laser connector (71) and an output end for emitting the shaped laser to the galvanometer; the collimator (72) is arranged in the second protective shell (52) and is installed at the outer wall of the first protective shell (51) through an installation joint (73);
two cooling interfaces and a sub-cooling water channel between the two cooling interfaces are arranged on the laser joint (71), the mounting joint (73) of the collimator (72) is provided with two cooling interfaces and a sub-cooling water path between the two cooling interfaces, two cooling interfaces and sub-cooling water paths between the two cooling interfaces are arranged at the field lens, the laser joint (71), the mounting joint (73) of the collimator (72), the respective cooling interfaces at the field lens, the third water inlet interface (45) and the third water outlet interface (46) on the first protective shell (51) are connected with the fourth water inlet interface (47) and the fourth water outlet interface (48) on the wall of the second sub-box body in a non-directional sequence, so that the laser joint (71), the mounting joint (73) of the collimator (72), the sub cooling water channel of the field lens, the third water channel pipeline (6) and the fourth water channel pipeline of the water cooling device (3) are positioned in the same circulating water channel.
11. Laser marking apparatus according to claim 6, wherein the maximum cooling power of the water cooling device (3) is up to 2000W and the maximum operating power of the laser generator (2) is 2000W.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111200391.8A CN113732543A (en) | 2021-10-15 | 2021-10-15 | Integrated water cooling system for laser marking equipment and laser marking equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111200391.8A CN113732543A (en) | 2021-10-15 | 2021-10-15 | Integrated water cooling system for laser marking equipment and laser marking equipment |
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| CN113732543A true CN113732543A (en) | 2021-12-03 |
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