CN114226988A - Automatic focusing device and automatic focusing method for laser marking machine - Google Patents
Automatic focusing device and automatic focusing method for laser marking machine Download PDFInfo
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- CN114226988A CN114226988A CN202111528617.7A CN202111528617A CN114226988A CN 114226988 A CN114226988 A CN 114226988A CN 202111528617 A CN202111528617 A CN 202111528617A CN 114226988 A CN114226988 A CN 114226988A
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- 238000010330 laser marking Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007921 spray Substances 0.000 claims abstract description 20
- 239000012535 impurity Substances 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 9
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000000428 dust Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims 4
- 230000033228 biological regulation Effects 0.000 claims 2
- 238000012423 maintenance Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B23K26/04—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
- B23K26/02—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
-
- 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
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
-
- 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
- B23K26/14—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor
- B23K26/142—Working by laser beam, e.g. welding, cutting or boring using a fluid stream, e.g. a jet of gas, in conjunction with the laser beam; Nozzles therefor for the removal of by-products
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses an automatic focusing device and an automatic focusing method of a laser marking machine, which comprise a shell, wherein the shell is rotatably connected with an adjusting shell, the adjusting shell is fixedly connected with a wedge block, the wedge block is fixedly connected with a galvanometer, the adjusting shell is connected with a gear assembly, the gear assembly is connected with a motor, the shell is fixedly connected with a first air cylinder, the shell is fixedly connected with a micro air pump, the micro air pump is fixedly connected with an electromagnetic three-way valve, the electromagnetic three-way valve is fixedly connected with a connecting pipe, the connecting pipe is fixedly connected with a shell, and the connecting pipe is rotatably connected with a spray head. According to the automatic focusing device and the automatic focusing method of the laser marking machine, the focusing piece is arranged in the device, the second cylinder drives the moving plate, the connecting plate and the convex lens to move according to the shape of the object to be marked, the laser marking focal length is automatically adjusted, and the convex lens can be replaced by detaching the connecting plate.
Description
Technical Field
The invention relates to the technical field of laser marking machines, in particular to an automatic focusing device and an automatic focusing method of a laser marking machine.
Background
The laser marking machine is used for marking permanent marks on the surfaces of various different substances by using laser beams, the marking effect is that deep substances are exposed through the evaporation of surface substances, so that exquisite patterns, trademarks and characters are marked, and corresponding focusing is required in the marking process of the laser marking machine.
The existing laser marking machine mostly adopts a manual operation mode to carry out focusing, the method is complex in operation, poor in precision and easy to influence product quality, besides, corresponding lenses cannot be cleaned in time during use, and laser marking is easy to influence due to impurities attached to the lenses.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an automatic focusing device and an automatic focusing method of a laser marking machine, and solves the problems that manual focusing operation is complex, accuracy is poor, a lens cannot be cleaned in time, marking is affected and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme: an automatic focusing device and an automatic focusing method of a laser marking machine comprise a movable cabinet, wherein one end of the upper side of the movable cabinet is fixedly connected with a controller, the upper side of the movable cabinet, which is far away from the controller, is fixedly connected with a workbench, the end of the movable cabinet, which is close to the workbench, is fixedly connected with a lifting seat, the lifting seat is slidably connected with a supporting seat, the upper end of the supporting seat is fixedly connected with a shell, the shell is rotatably connected with an adjusting shell, the lower end of the adjusting shell is in threaded connection with a protective shell, the inner end of the adjusting shell is fixedly connected with a wedge block, the wedge block, which is close to the upper end of the protective shell, is fixedly connected with a galvanometer, the adjusting shell is connected with a gear assembly connected with the shell, the lower side of the gear assembly is connected with a motor fixedly connected with the shell, the end, which is close to the gear assembly, is fixedly connected with a first air cylinder, and the upper end of the outer side of the shell is fixedly connected with a miniature air pump, miniature air pump exhaust end fixedly connected with and casing fixed connection's electromagnetism three-way valve, electromagnetism three-way valve horizontal end fixedly connected with and casing fixed connection's connecting pipe, connecting pipe fixedly connected with and casing fixed connection's casing, connecting pipe downside both ends are all rotated and are connected with the shower nozzle, the casing lower extreme is connected with the bevel gear subassembly with casing fixed connection, the casing is close to bevel gear subassembly lower extreme and is connected with the adjustment mechanism who is connected with the shower nozzle, the casing inboard is close to connecting pipe fixedly connected with concave lens, adjustment mechanism is connected with the belt pulley subassembly, the casing inboard is connected with focusing piece, casing internal end fixedly connected with the second cylinder of being connected with focusing piece, the casing is close to second cylinder upper end fixedly connected with laser instrument.
Preferably, the adjusting mechanism is composed of a cam, a connecting rod, a rack, an incomplete gear and a limiting block, the lower end of the bevel gear component is connected with a small belt pulley component connected with the cam, the incomplete gear is fixedly connected with the spray head, and the limiting block is fixedly connected with the shell.
Preferably, the protruding end of the cam is rotatably connected with the connecting rod, the tail end of the connecting rod is rotatably connected with the rack, the rack is meshed with the incomplete gear, and the lower end of the rack is slidably connected with the limiting block.
Preferably, the focusing piece comprises a movable plate, a connecting plate, a vent pipe and a convex lens, the inner side of the shell is fixedly connected with a slide rod in sliding connection with the movable plate, the connecting plate is fixedly connected with the movable plate through a screw, the middle end of the connecting plate is fixedly connected with the convex lens, the vent pipe is fixedly connected with the movable plate, the vent pipe is fixedly connected with the electromagnetic three-way valve, and the movable plate is provided with a vent groove communicated with the vent pipe close to the end of the vent pipe.
Preferably, the lower end of the movable cabinet is fixedly connected with a movable wheel, the controller is respectively electrically connected with the lifting seat, the motor, the first air cylinder, the miniature air pump, the second air cylinder and the laser instrument, and fixing parts are arranged on two sides of the workbench.
Preferably, the shell is fixedly connected with an activated carbon net, the shell is fixedly connected with a first ventilating filter plate close to the laser instrument, the shell is fixedly connected with a second ventilating filter plate close to two ends of the motor, and the output end of the motor is fixedly connected with fan blades.
Preferably, the tail end of the first cylinder is fixedly connected with a bolt, the upper end of the gear assembly is connected with a fixed disc meshed with the bolt, the surfaces of the shell and the adjusting shell are fixedly connected with cover shells through fixing screws, the wedge block is fixedly connected with the adjusting shell through a thick screw, and an impeller connected with a bevel gear assembly is rotatably connected in the shell.
The invention also discloses an automatic focusing method of the automatic focusing device of the laser marking machine, which comprises the following steps:
firstly, a user places a part to be marked on a workbench and fixes the part to be marked through a corresponding fixing part, a supporting seat and a corresponding part at the upper end of the supporting seat are driven by a lifting seat to move to a proper height along the vertical direction, then a miniature air pump is started, the miniature air pump pumps in external air through a filter and sprays out through an electromagnetic three-way valve, a shell, a connecting pipe and a nozzle, meanwhile, an impeller in the shell rotates along with air flow, the impeller drives a belt pulley assembly and a cam to rotate through a bevel gear assembly and a small belt pulley assembly, the cam drives a rack to reciprocate along the horizontal direction through a connecting rod, the rack drives an incomplete gear to periodically swing, so that the angle of the nozzle is adjusted, the gas sprayed out by the nozzle uniformly blows the front and the back of a concave lens, the influence of subsequent marking due to impurities attached to the surface of the concave lens is avoided, the electromagnetic three-way valve periodically reverses, and guides the air to the inner end of the connecting plate through a vent pipe, blowing the convex lens to avoid the influence of impurities attached to the surface of the convex lens on subsequent focusing;
secondly, starting a laser instrument through a controller, wherein the laser instrument emits laser, the laser is emitted through a convex lens, the laser is condensed by a concave lens, and is finally reflected to an object to be marked through a vibrating mirror to mark the object;
and step three, in the process of the step one, the activated carbon net at the inner end of the shell can timely adsorb and recover dust and impurities falling off from the corresponding lens, the gas injected into the shell by the miniature air pump can be discharged along with the first ventilating filter plate, and a good heat dissipation effect is achieved on the laser instrument in the step two.
Advantageous effects
The invention provides an automatic focusing device and an automatic focusing method of a laser marking machine. Compared with the prior art, the method has the following beneficial effects:
(1) the automatic focusing device and the automatic focusing method of the laser marking machine are characterized in that an adjusting mechanism is arranged in the device, a miniature air pump sucks external air in through a filter, the air passes through an electromagnetic three-way valve, a machine shell, a connecting pipe and a nozzle and is sprayed out, meanwhile, an impeller in the machine shell rotates along with air flow, the impeller drives a belt pulley assembly and a cam to rotate through a bevel gear assembly and a small belt pulley assembly, the cam drives a rack to reciprocate along the horizontal direction through a connecting rod, the rack drives an incomplete gear to periodically swing, the angle of the nozzle is further adjusted, and gas sprayed out from the nozzle uniformly blows the front and back surfaces of a concave lens, so that the influence of impurities attached to the surface of the concave lens on subsequent marking is avoided.
(2) According to the automatic focusing device and the automatic focusing method of the laser marking machine, the focusing piece is arranged in the device, the second cylinder drives the moving plate, the connecting plate and the convex lens to move according to the shape of the object to be marked, so that the laser marking focal length is automatically adjusted, and the corresponding convex lens can be replaced by detaching the connecting plate.
(3) The automatic focusing device and the automatic focusing method of the laser marking machine are characterized in that the gear assembly is arranged in the device, the motor is started, the motor drives the adjusting shell and the inner end protecting shell thereof through the gear assembly, the vibrating mirror rotates, the angle required by marking is correspondingly adjusted, if the angle required by marking is required to be fixed at the corresponding angle, the first air cylinder is started, the first air cylinder is inserted into the fixing disc through the tail end of the first air cylinder, the vibrating mirror angle is fixed, and then the adjustment of the marking laser angle is completed.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic cross-sectional view of an inner end laser marking element of the present invention;
FIG. 3 is a front view of the inboard laser beacon of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;
FIG. 5 is an enlarged view of the inner end adjustment mechanism of the present invention;
FIG. 6 is an enlarged view of the inner end focusing member of the present invention.
In the figure: 1. a mobile cabinet; 2. a controller; 3. a work table; 4. a lifting seat; 5. a supporting seat; 6. a housing; 7. an adjustment housing; 8. a protective shell; 9. a wedge block; 10. a galvanometer; 11. a gear assembly; 12. a motor; 13. a first cylinder; 14. a micro air pump; 15. an electromagnetic three-way valve; 16. a housing; 17. a connecting pipe; 18. a spray head; 19. a bevel gear assembly; 20. an adjustment mechanism; 201. a cam; 202. a connecting rod; 203. a rack; 204. an incomplete gear; 205. a limiting block; 21. a concave lens; 22. a pulley assembly; 23. a focusing member; 231. moving the plate; 232. a connecting plate; 233. a breather pipe; 234. a convex lens; 24. a second cylinder; 25. a laser instrument.
Detailed Description
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.
Referring to fig. 1-6, the present invention provides a technical solution: an automatic focusing device and an automatic focusing method of a laser marking machine comprise a movable cabinet 1, one end of the upper side of the movable cabinet 1 is fixedly connected with a controller 2, the upper side of the movable cabinet 1, which is far away from the controller 2, is fixedly connected with a workbench 3, the end of the movable cabinet 1, which is close to the workbench 3, is fixedly connected with a lifting seat 4, the lifting seat 4 is slidably connected with a supporting seat 5, the upper end of the supporting seat 5 is fixedly connected with a shell 6, the shell 6 is rotatably connected with an adjusting shell 7, the lower end of the adjusting shell 7 is in threaded connection with a protective shell 8, the inner end of the adjusting shell 7 is fixedly connected with a wedge block 9, the wedge block 9, which is close to the upper end of the protective shell 8, is fixedly connected with a galvanometer 10, the adjusting shell 7 is connected with a gear assembly 11 connected with the shell 6, the lower side of the gear assembly 11 is connected with a motor 12 fixedly connected with the shell 6, the end of the shell 6, which is close to the gear assembly 11, is fixedly connected with a first air cylinder 13, and the upper end of the outer side of the shell 6 is fixedly connected with a micro air pump 14, 14 exhaust end fixedly connected with of miniature air pump and casing 6 fixed connection's electromagnetic three-way valve 15, 15 horizontal end fixedly connected with of electromagnetic three-way valve and casing 6 fixed connection's connecting pipe 17, connecting pipe 17 fixed connection and casing 6 fixed connection's casing 16, the terminal fixedly connected with bolt of first cylinder 13, 11 upper ends of gear components are connected with the fixed disk with the bolt interlock, casing 6, adjusting 7 surfaces of the shell all are through set screw fixedly connected with lid shell, voussoir 9 is through coarse screw and adjusting 7 fixed connection, 16 internal rotation of casing is connected with the impeller of being connected with bevel gear subassembly 19, the lid shell person of facilitating the use who has good detachability changes corresponding lens, the impeller provides power for adjustment mechanism 20 functions, increase 14 availability factor of miniature air pump.
Both ends of the lower side of the connecting pipe 17 are rotatably connected with nozzles 18, the lower end of the casing 16 is connected with a bevel gear assembly 19 fixedly connected with the casing 6, the lower end of the casing 6 close to the bevel gear assembly 19 is connected with an adjusting mechanism 20 connected with the nozzles 18, and the inner side of the casing 6 close to the connecting pipe 17 is fixedly connected with a concave lens 21. The adjusting mechanism 20 is connected with a belt pulley component 22, the adjusting mechanism 20 is composed of a cam 201, a connecting rod 202, a rack 203, an incomplete gear 204 and a limiting block 205, the lower end of a bevel gear component 19 is connected with a small belt pulley component connected with the cam 201, the incomplete gear 204 is fixedly connected with the spray head 18, the limiting block 205 is fixedly connected with the shell 6, the convex end of the cam 201 is rotatably connected with the connecting rod 202, the tail end of the connecting rod 202 is rotatably connected with the rack 203, the rack 203 is meshed with the incomplete gear 204, the lower end of the rack 203 is slidably connected with the limiting block 205, the micro air pump 14 pumps in external air through a filter and sprays out through the electromagnetic three-way valve 15, the machine shell 16, the connecting pipe 17 and the spray head 18, meanwhile, an impeller in the machine shell 16 rotates along with air flow, the impeller drives the belt pulley component 22 and the cam 201 to rotate through the bevel gear component 19 and the small belt pulley component, the cam 201 drives the rack 203 to reciprocate along the horizontal direction through the connecting rod 202, the rack 203 drives the incomplete gear 204 to periodically swing, so that the angle of the spray head 18 is adjusted, gas sprayed by the spray head 18 uniformly blows the front and back surfaces of the concave lens 21, and subsequent marking is prevented from being influenced by impurities attached to the surface of the concave lens 21.
The inner side of the shell 6 is connected with a focusing piece 23, the inner end of the shell 6 is fixedly connected with a second cylinder 24 connected with the focusing piece 23, and the upper end of the shell 6 close to the second cylinder 24 is fixedly connected with a laser instrument 25. The focusing member 23 is composed of a moving plate 231, a connecting plate 232, a vent pipe 233 and a convex lens 234, a slide bar slidably connected with the moving plate 231 is fixedly connected to the inner side of the housing 6, the connecting plate 232 is fixedly connected with the moving plate 231 through a screw, the middle end of the connecting plate 232 is fixedly connected with the convex lens 234, the vent pipe 233 is fixedly connected with the moving plate 231, the vent pipe 233 is fixedly connected with the electromagnetic three-way valve 15, a vent groove communicated with the moving plate 231 is arranged at the end of the moving plate 231 close to the vent pipe 233, air is guided to the inner end of the connecting plate 232 through the vent pipe 233 and the vent groove, the convex lens 234 is blown to avoid the influence of impurities attached to the surface of the convex lens on subsequent focusing, the second cylinder 24 drives the moving plate 231, the connecting plate 232 and the convex lens 234 to move according to the shape of the object to be marked, the laser marking focal length is then automatically adjusted and the corresponding convex lens 234 can be replaced by removing the connecting plate 232.
Remove 1 lower extreme fixedly connected with of cabinet and remove the wheel, remove the wheel and make the device have good portability, controller 2 respectively with lift seat 4, motor 12, first cylinder 13, miniature air pump 14, second cylinder 24, laser instrument 25 electric connection, the workstation 3 both sides are equipped with the mounting, the mounting is treated and is beaten the mark thing and fix, convenient follow-up accuracy is beaten the mark. The inner fixedly connected with active carbon net of casing 6, casing 6 is close to the first filter plate of ventilating of laser instrument 25 end fixedly connected with, and the gas that miniature air pump 14 injected into in the casing 6 can be discharged along with the first filter plate of ventilating, plays good radiating effect to laser instrument 25, and casing 6 is close to the filter plate of ventilating of motor 12 both ends fixedly connected with second, and motor 12 output end fixedly connected with flabellum, flabellum accessible second filter plate of ventilating promotes its inner end gas exchange, and then plays the radiating effect to motor 12.
The invention also discloses an automatic focusing method of the automatic focusing device of the laser marking machine, which comprises the following steps:
firstly, a user places a to-be-marked part on a workbench 3 and fixes the to-be-marked part through a corresponding fixing part, a lifting seat 4 drives a supporting seat 5 and a corresponding part at the upper end of the supporting seat to move to a proper height along the vertical direction, then a micro air pump 14 is started, the micro air pump 14 pumps in outside air through a filter and sprays out the air through an electromagnetic three-way valve 15, a machine shell 16, a connecting pipe 17 and a spray head 18, meanwhile, an impeller in the machine shell 16 rotates along with air flow, the impeller drives a belt pulley component 22 and a cam 201 to rotate through a bevel gear component 19 and a small belt pulley component, the cam 201 drives a rack 203 to reciprocate along the horizontal direction through a connecting rod 202, the rack 203 drives an incomplete gear 204 to periodically swing, so as to adjust the angle of the spray head 18, the air sprayed out by the spray head 18 uniformly blows the front and back surfaces of a concave lens 21, and avoids influencing subsequent marking due to impurities attached to the surface of the concave lens 21, the electromagnetic three-way valve 15 is periodically reversed, air is guided to the inner end of the connecting plate 232 through the air pipe 233, the convex lens 234 is blown, and subsequent focusing is prevented from being influenced by impurities attached to the surface of the convex lens;
secondly, the laser instrument 25 is started through the controller 2, the laser instrument 25 emits laser, the laser is diffused through the convex lens 234, the concave lens 21 condenses light, the laser is finally reflected to an object to be marked through the galvanometer 10, and the object is marked;
and step three, in the process of the step one, the activated carbon net at the inner end of the shell 6 can timely adsorb and recover dust and impurities falling off from the corresponding lens, in addition, the gas injected into the shell 6 by the miniature air pump 14 can be discharged along with the first ventilating filter plate, a good heat dissipation effect is realized on the laser instrument 25 in the step two, the motor 12 drives the fan blades to rotate in the angle adjusting process of the vibrating mirror 10, the fan blades can promote the gas exchange at the inner ends of the fan blades through the second ventilating filter plate, and further, the heat dissipation effect is realized on the motor 12, after the marking is finished, each link is reset, the corresponding cover shell is opened, and the corresponding lens in the device can be maintained and replaced.
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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a laser marking machine automatic focusing device, includes removal cabinet (1), its characterized in that: the device is characterized in that one end of the upper side of the movable cabinet (1) is fixedly connected with a controller (2), the upper side of the movable cabinet (1) is far away from the controller (2) and is fixedly connected with a workbench (3), the movable cabinet (1) is close to the workbench (3) and is fixedly connected with a lifting seat (4), the lifting seat (4) is slidably connected with a supporting seat (5), the upper end of the supporting seat (5) is fixedly connected with a shell (6), the shell (6) is rotatably connected with an adjusting shell (7), the lower end of the adjusting shell (7) is in threaded connection with a protective shell (8), the inner end of the adjusting shell (7) is fixedly connected with a wedge block (9), the wedge block (9) is close to the upper end of the protective shell (8) and is fixedly connected with a galvanometer (10), the adjusting shell (7) is connected with a gear assembly (11) connected with the shell (6), the lower side of the gear assembly (11) is connected with a motor (12) fixedly connected with the shell (6), the device is characterized in that a first air cylinder (13) is fixedly connected to the position, close to a gear assembly (11), of the shell (6), a miniature air pump (14) is fixedly connected to the upper end of the outer side of the shell (6), an exhaust end of the miniature air pump (14) is fixedly connected with an electromagnetic three-way valve (15) fixedly connected with the shell (6), a horizontal end of the electromagnetic three-way valve (15) is fixedly connected with a connecting pipe (17) fixedly connected with the shell (6), the connecting pipe (17) is fixedly connected with a shell (16) fixedly connected with the shell (6), both ends of the lower side of the connecting pipe (17) are rotatably connected with spray heads (18), a bevel gear assembly (19) fixedly connected with the shell (6) is connected to the lower end of the shell (6), an adjusting mechanism (20) connected with the spray heads (18) is connected to the lower end, close to the connecting pipe (17), of the inner side of the shell (6) is fixedly connected with a concave lens (21), adjustment mechanism (20) are connected with belt pulley assembly (22), casing (6) inboard is connected with focusing piece (23), second cylinder (24) that casing (6) inner fixedly connected with and focusing piece (23) are connected, casing (6) are close to second cylinder (24) upper end fixedly connected with laser instrument (25).
2. The automatic focusing device of the laser marking machine according to claim 1, characterized in that: the adjusting mechanism (20) is composed of a cam (201), a connecting rod (202), a rack (203), an incomplete gear (204) and a limiting block (205), the lower end of the bevel gear component (19) is connected with a small belt pulley component connected with the cam (201), the incomplete gear (204) is fixedly connected with the spray head (18), and the limiting block (205) is fixedly connected with the shell (6).
3. The automatic focusing device of the laser marking machine according to claim 2, characterized in that: the protruding end of the cam (201) is rotatably connected with the connecting rod (202), the tail end of the connecting rod (202) is rotatably connected with the rack (203), the rack (203) is meshed with the incomplete gear (204), and the lower end of the rack (203) is slidably connected with the limiting block (205).
4. The automatic focusing device of the laser marking machine according to claim 1, characterized in that: focusing piece (23) comprises movable plate (231), connecting plate (232), breather pipe (233), convex lens (234), casing (6) inboard fixedly connected with and movable plate (231) sliding connection's slide bar, connecting plate (232) are through screw and movable plate (231) fixed connection, connecting plate (232) middle-end and convex lens (234) fixed connection, breather pipe (233) and movable plate (231) fixed connection, breather pipe (233) and electromagnetism three-way valve (15) fixed connection, movable plate (231) are close to breather pipe (233) end and are equipped with the ventilation slot rather than the intercommunication.
5. The automatic focusing device of the laser marking machine according to claim 1, characterized in that: remove cabinet (1) lower extreme fixedly connected with and remove the wheel, controller (2) respectively with lift seat (4), motor (12), first cylinder (13), miniature air pump (14), second cylinder (24), laser instrument (25) electric connection, workstation (3) both sides are equipped with the mounting.
6. The automatic focusing device of the laser marking machine according to claim 1, characterized in that: the laser ventilation device is characterized in that an activated carbon net is fixedly connected to the inner end of the shell (6), a first ventilation filter plate is fixedly connected to the end, close to the laser instrument (25), of the shell (6), a second ventilation filter plate is fixedly connected to the end, close to the two ends of the motor (12), of the shell (6), and fan blades are fixedly connected to the output end of the motor (12).
7. The automatic focusing device of the laser marking machine according to claim 1, characterized in that: the end fixedly connected with bolt of first cylinder (13), gear assembly (11) upper end is connected with the fixed disk with the bolt interlock, casing (6), regulation shell (7) surface all are through set screw fixedly connected with lid shell, voussoir (9) are through coarse screw and regulation shell (7) fixed connection, casing (16) internal rotation is connected with the impeller of being connected with bevel gear subassembly (19).
8. The automatic focusing method of the automatic focusing device of the laser marking machine according to any one of claims 1 to 7, characterized in that: the method specifically comprises the following steps:
firstly, a user places a to-be-marked part on a workbench (3) and fixes the to-be-marked part through a corresponding fixing part, a lifting seat (4) drives a supporting seat (5) and a corresponding part at the upper end of the supporting seat to move to a proper height along the vertical direction, then a micro air pump (14) is started, the micro air pump (14) pumps external air in through a filter and sprays the air out through an electromagnetic three-way valve (15), a machine shell (16), a connecting pipe (17) and a spray head (18), meanwhile, an impeller in the machine shell (16) rotates along with air flow, the impeller drives a belt pulley component (22) and a cam (201) to rotate through a bevel gear component (19) and a small belt pulley component, the cam (201) drives a rack (203) to reciprocate along the horizontal direction through a connecting rod (202), the rack (203) drives an incomplete gear (204) to periodically swing, and further adjusts the angle of the spray head (18), the gas sprayed by the spray head (18) uniformly blows the front and back surfaces of the concave lens (21) to avoid the influence of impurities attached to the surface of the concave lens (21) on subsequent marking, the electromagnetic three-way valve (15) is periodically reversed to guide air to the inner end of the connecting plate (232) through the air pipe (233) to blow the convex lens (234) to avoid the influence of impurities attached to the surface of the convex lens on subsequent focusing;
secondly, starting a laser instrument (25) through a controller (2), wherein the laser instrument (25) emits laser, the laser is emitted through a convex lens (234), the concave lens (21) condenses the laser, and the laser is finally reflected to an object to be marked through a vibrating mirror (10) to mark the object, in the process, a second air cylinder (24) drives a moving plate (231), a connecting plate (232) and the convex lens (234) to move according to the shape of the object to be marked so as to adjust the focal length, and similarly, a motor (12) is started, the motor (12) drives an adjusting shell (7) and an inner end protective shell (8) thereof and the vibrating mirror (10) to rotate through a gear assembly (11), so that the angle required by marking is correspondingly adjusted, if the angle required to be fixed at the corresponding angle is required, a first air cylinder (13) is started and inserted into a fixed disc through a bolt at the tail end of the first air cylinder, so that the angle of the vibrating mirror (10) is fixed;
and step three, in the process of the step one, the activated carbon net at the inner end of the shell (6) can timely adsorb and recover dust and impurities falling off from the corresponding lens, in addition, the gas injected into the shell (6) by the miniature air pump (14) can be discharged along with the first ventilating filter plate, in the step two, a good heat dissipation effect is realized on the laser instrument (25), in the step two, the motor (12) drives the fan blades to rotate in the angle adjustment process of the vibrating mirror (10), the fan blades can promote the gas exchange at the inner ends of the fan blades through the second ventilating filter plate, further, the heat dissipation effect is realized on the motor (12), after the marking is finished, each link is reset, the corresponding cover shell is opened, and the maintenance and the replacement of the corresponding lens in the device can be realized.
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| CN202111528617.7A CN114226988B (en) | 2021-12-14 | 2021-12-14 | Automatic focusing device and automatic focusing method for laser marking machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079318A (en) * | 2023-04-11 | 2023-05-09 | 羲和智能装备(山东)有限公司 | Automobile axle welding positioning device |
| CN116713590A (en) * | 2023-08-02 | 2023-09-08 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160121071A (en) * | 2015-04-10 | 2016-10-19 | 제일엠텍(주) | An Apparatus Having a Structure of Automatic Focus Regulation and a Method for Marking with the Same |
| WO2018176878A1 (en) * | 2016-03-26 | 2018-10-04 | 广州新可激光设备有限公司 | Laser marking machine and automatic focusing and marking method therefor |
| CN208528324U (en) * | 2018-07-27 | 2019-02-22 | 石家庄理想汽车零部件有限公司 | The online laser marking mechanism of axle sleeve |
| CN112496578A (en) * | 2020-11-25 | 2021-03-16 | 合肥一诺机械配件有限公司 | Automatic laser marking machine |
| CN213531211U (en) * | 2020-06-02 | 2021-06-25 | 深圳市正善电子有限公司 | Smoke and dust treatment mechanism of full-automatic laser marking machine |
| CN214212582U (en) * | 2020-12-07 | 2021-09-17 | 丹阳飞超激光科技有限公司 | 3D galvanometer for laser marking machine |
-
2021
- 2021-12-14 CN CN202111528617.7A patent/CN114226988B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160121071A (en) * | 2015-04-10 | 2016-10-19 | 제일엠텍(주) | An Apparatus Having a Structure of Automatic Focus Regulation and a Method for Marking with the Same |
| WO2018176878A1 (en) * | 2016-03-26 | 2018-10-04 | 广州新可激光设备有限公司 | Laser marking machine and automatic focusing and marking method therefor |
| CN208528324U (en) * | 2018-07-27 | 2019-02-22 | 石家庄理想汽车零部件有限公司 | The online laser marking mechanism of axle sleeve |
| CN213531211U (en) * | 2020-06-02 | 2021-06-25 | 深圳市正善电子有限公司 | Smoke and dust treatment mechanism of full-automatic laser marking machine |
| CN112496578A (en) * | 2020-11-25 | 2021-03-16 | 合肥一诺机械配件有限公司 | Automatic laser marking machine |
| CN214212582U (en) * | 2020-12-07 | 2021-09-17 | 丹阳飞超激光科技有限公司 | 3D galvanometer for laser marking machine |
Non-Patent Citations (1)
| Title |
|---|
| 林盛鑫;黄丁香;钟惠球;李仪;: "基于三维动态聚焦技术的激光打标系统设计研究", 东莞理工学院学报, no. 03, 15 June 2011 (2011-06-15) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116079318A (en) * | 2023-04-11 | 2023-05-09 | 羲和智能装备(山东)有限公司 | Automobile axle welding positioning device |
| CN116713590A (en) * | 2023-08-02 | 2023-09-08 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
| CN116713590B (en) * | 2023-08-02 | 2024-02-02 | 大匠激光科技(苏州)有限公司 | Focusing control device and method for laser three-dimensional galvanometer |
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