CN115178888A - Automatic focusing device for laser marking machine - Google Patents
Automatic focusing device for laser marking machine Download PDFInfo
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- CN115178888A CN115178888A CN202211108970.4A CN202211108970A CN115178888A CN 115178888 A CN115178888 A CN 115178888A CN 202211108970 A CN202211108970 A CN 202211108970A CN 115178888 A CN115178888 A CN 115178888A
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- sound insulation
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- 238000010330 laser marking Methods 0.000 title claims abstract description 43
- 238000009413 insulation Methods 0.000 claims abstract description 71
- 239000000779 smoke Substances 0.000 claims abstract description 19
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000000967 suction filtration Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 32
- 239000000872 buffer Substances 0.000 claims description 25
- 229920001296 polysiloxane Polymers 0.000 claims description 4
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 abstract description 10
- 230000002588 toxic effect Effects 0.000 abstract description 10
- 231100000614 poison Toxicity 0.000 abstract 3
- 230000007096 poisonous effect Effects 0.000 abstract 3
- 108010066278 cabin-4 Proteins 0.000 description 31
- 238000000034 method Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—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
- B23K26/14—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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/007—Marks, e.g. trade marks
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the field of laser marking, in particular to an automatic focusing device for a laser marking machine. The technical problems are as follows: the angle of the laser cannot be adjusted, the fixed position of an object is inaccurate, and toxic and harmful smoke is generated when the laser works. The technical scheme is as follows: an automatic focusing device for a laser marking machine comprises a loading and unloading unit, an adjusting system and the like; the loading and unloading unit is connected with an adjusting system for adjusting the position of the mark to be marked. The invention effectively avoids the phenomenon that when the lifting door is just opened, air in the sound insulation cabin is sprayed outwards to cause a user to directly suck poisonous smoke dust in the sound insulation cabin, clamps and fixes the specific clamping angle of an object to be marked, correspondingly adjusts the angle of the laser, effectively reduces the focusing time of the laser head, and performs suction filtration on the poisonous smoke dust to avoid the discharge of the poisonous smoke dust into the air.
Description
Technical Field
The invention relates to the field of laser marking, in particular to an automatic focusing device for a laser marking machine.
Background
The laser marking machine is generally used for carving marks such as characters on the surfaces of different materials including metals by irradiating laser beams, and the marking effect is to expose deep-layer materials through the evaporation of surface-layer materials so as to carve exquisite patterns, trademarks and characters.
The existing Chinese patent: (CN 108326440A) a curved surface coding laser marking device, which drives a rotating gear to rotate through a transmission gear, so that the height position of a laser generator is adjusted, the purpose that the curved surface can be perfectly focused at different heights is achieved, and the problem that when the marking position is a curved surface, the marked graph is different in depth due to the fact that the marked focus is diffused due to different heights is solved, but because the height position of the laser generator is only adjusted, the laser can only mark the same depth at the marking position, if the surface of the object to be marked is a complex curved surface, the laser cannot adjust the angle, and the mark marked on the object to be marked cannot be fully attached to the surface of the object;
and the fixed position of the object to be marked is inaccurate, which easily results in consuming longer time to focus and influencing the working progress, and harmful smog, noise, vibration and harmful radiation can be generated when the surface material is evaporated during the laser marking work, so that the harmful smog is easily inhaled by a user when the user uses the laser to mark, and the body health of the user is seriously influenced.
Disclosure of Invention
The invention provides an automatic focusing device for a laser marking machine, aiming at overcoming the defects that the angle of a laser cannot be adjusted, the position of an object is not accurately fixed, and toxic and harmful smoke is generated when the laser works to influence the body health of a user.
The technical scheme is as follows: an automatic focusing device for a laser marking machine comprises a bottom frame, an anti-slip pad, a material box and a sound insulation cabin; the lower part of the underframe is provided with four anti-slip pads; two material tanks are arranged at the lower part of the bottom frame, one material tank is used for placing a to-be-marked object, and the other material tank is used for placing a finished marked object; the two material boxes are positioned above the four anti-skid pads; a sound insulation cabin is fixedly connected to the underframe; the device also comprises a loading and unloading unit, an adjusting system, a marking system and a protection system; the bottom surface in the sound insulation cabin is connected with a loading and unloading unit; the loading and unloading unit is connected with an adjusting system for adjusting the position to be marked; a marking system for marking the curved surface object is connected in the sound insulation cabin; the front part of the underframe is connected with a protection system; the protection system is connected with the sound insulation cabin; the loading and unloading unit is connected with the marking system.
Optionally, the loading and unloading unit comprises a support, a first power assembly, a screw rod, a positioning rod, a balance block and a mounting plate; a support is fixedly connected to the front and the rear of the bottom surface in the sound insulation cabin; a first power assembly is arranged on the support at the rear part; the rear support is connected with a marking system; the output shaft of the first power assembly is fixedly connected with a screw rod; the screw rod is connected with the marking system; the front part of the screw rod is rotationally connected with a support; the left part and the right part of the two supports are respectively fixedly connected with a positioning rod; the two positioning rods are connected with balance blocks in a sliding manner; the middle part of the balance block is screwed with the screw rod; the upper surface of the balance block is fixedly connected with a mounting plate; the mounting plate is connected with the adjustment system.
Optionally, the adjusting system is composed of a positioning seat, a buffer piece, a power unit and a fixing unit; the upper surface of the mounting plate is connected with a power unit; the power unit is connected with a fixing unit for clamping and positioning the object to be marked; the fixing unit is connected with two positioning seats; the middle part of the positioning seat is hollowed with a three-stage step part; the opposite sides of the two positioning seats are respectively connected with a buffer piece, and the positioning seats are coaxial with the centers of the buffer pieces; three annular clamping grooves are formed in the buffer piece; the three annular clamping grooves respectively correspond to the corners of one ladder stand part; the fixing unit comprises a T-shaped plate, a second power assembly, a first fixing ring, a star frame, a Y-shaped plate, a first electric actuator, a shaft sleeve and a sliding rod; the power unit is connected with a T-shaped plate; the T-shaped plate is provided with a second power assembly; the upper part of the T-shaped plate is fixedly connected with a first fixing ring; the first fixing ring is in contact with the output shaft of the second power assembly; the left end of the output shaft of the second power assembly is fixedly connected with a star frame; the left part of the star frame is fixedly connected with a positioning seat; the power unit is connected with a Y-shaped plate; the upper part of the Y-shaped plate is provided with a first electric actuator; the upper part of the Y-shaped plate is rotatably connected with a shaft sleeve; the shaft sleeve is positioned on the right side of the first electric actuator; the telescopic part of the first electric actuator is rotationally connected with a slide bar; the sliding rod is connected with the shaft sleeve in a sliding manner; the right part of the sliding rod is fixedly connected with another star frame; the right side of the star frame is fixedly connected with the other positioning seat.
Optionally, the marking system consists of a laser head, a support, a positioning gun and a focusing unit; the bottom of the inner surface of the sound insulation cabin is connected with a focusing unit for vertically focusing the marking position; the focusing unit is connected with a laser head; the left part and the right part of the laser head are symmetrically provided with a bracket respectively; the lower parts of the two brackets are respectively connected with a positioning gun; the focusing unit is fixedly connected with the support at the rear part; the focusing unit is rotationally connected with a screw rod at the rear part; the focusing unit comprises a door-shaped frame, a second electric slide rail, a second electric slide block, a rack, a first support plate, a second support plate, a rotating shaft, a gear, an expansion link, a mounting seat, a second fixing ring, a second electric actuator and a pin rod; the bottom of the inner surface of the sound insulation cabin is fixedly connected with a door-shaped frame; the upper surface of the door-shaped frame is provided with a second electric slide rail; two second electric sliding blocks are connected to the second electric sliding rail in a sliding manner; the two second electric sliding blocks are fixedly connected with a rack together; the bottom of the inner surface of the sound insulation cabin is fixedly connected with a first support plate; the first supporting plate is positioned in front of the door-shaped frame; a second support plate is fixedly connected to the middle of the rear support; the upper parts of the first support plate and the second support plate are jointly and rotatably connected with a rotating shaft; a gear is fixedly connected to the rear part of the outer surface of the rotating shaft; the lower part of the gear is meshed with the rack; the front part of the outer surface of the rotating shaft is fixedly connected with a telescopic rod; the telescopic part of the telescopic rod is fixedly connected with two mounting seats; the two mounting seats are respectively detachably connected with a second fixing ring; a second electric actuator is arranged on the rear side of the telescopic rod fixing part; the telescopic part of the second electric actuator is fixedly connected with a pin rod; the front part of the pin rod is fixedly connected with the telescopic part of the telescopic rod.
Optionally, the protection system consists of a lifting door, a stop lever, a cabin opening unit, a suction filtration unit and a protection unit; the front part of the sound insulation cabin is connected with a lifting door made of transparent materials in a sliding manner; the lifting door is connected with an opening unit; the cabin opening unit is connected with the underframe; the cabin opening unit is connected with the sound insulation cabin; the cabin opening unit is connected with a stop lever; an air chamber is arranged inside the stop lever; the stop lever is provided with a plurality of air suction openings; the lower part of each air suction opening is communicated with the air chamber; the sound insulation cabin is connected with a suction filtration unit for extracting harmful smoke dust; the suction filtration unit is connected with a protection unit for protecting the safe use of operators; the protection unit is connected with the stop lever; the cabin opening unit comprises a third electric actuator, a connecting rod, a wire groove rod, a rotating rod, a third support plate and a string; two third electric actuators are symmetrically arranged at the front part of the underframe; two extension parts of the third electric actuator are respectively fixedly connected with a joint rod; the front parts of the two connecting rods are fixedly connected with the lifting door together; a wire groove rod penetrates through the left part and the right part of the sound insulation cabin respectively; the back sides of the two wire slot rods are fixedly connected with a rotating rod respectively; the front parts of the two rotating rods are fixedly connected with the stop lever together; a third support plate is fixedly connected to the left part and the right part of the rear side of the lifting door respectively; the two third support plates are respectively connected with a string; the lower parts of the two strings are respectively connected with a wire casing rod.
Optionally, the suction filtration unit comprises an air box, a fan, a first air pipe and an air draft cover; the bottom of the sound insulation cabin is fixedly connected with an air box, and the lower part of the air box is provided with a ventilation opening; the air box is connected with the protection unit; the air box is provided with a fan, and the fan is positioned at the position of an air vent on the air box; the rear part of the air box is communicated with a first air pipe; the first air pipe is fixedly connected with the sound insulation cabin; the upper part of the first air pipe is communicated with an air draft cover; the front part of the draught hood is fixedly connected with the sound insulation cabin.
Optionally, the protection unit comprises a second air pipe, an elastic piece, a piston plate, a support rod and a limit plate; the front part of the air box is communicated with a second air pipe; the upper part of the second air pipe is communicated with the air chamber; two elastic pieces are symmetrically and fixedly connected to the front wall of the inner surface of the air box; the rear parts of the two elastic parts are fixedly connected with a piston plate together, and a plurality of circular holes are formed in the piston plate; two supporting rods are fixedly connected to the front side of the piston plate; the two support rods are both connected with the air box in a sliding manner; the two support rods are used for being in contact transmission with the stop lever together; a limiting plate is fixedly connected to the front part of the bellows, a plurality of spherical bulges are arranged on the limiting plate, and each spherical bulge corresponds to the circular hole of one piston plate; the limiting plate is provided with a plurality of ventilating grooves.
Optionally, the buffer is a flexible silicone material.
Optionally, the air suction opening on the blocking rod faces one side of the lifting door.
Optionally, the spherical protrusion on the limiting plate is made of a flexible silica gel material.
The invention has the beneficial effects that: according to the invention, the lifting door is opened, the stop rod is synchronously driven to transversely block between the sound insulation cabin and an operator, then the fan runs, air in the air chamber is pumped out through the second air pipe, the air chamber is pumped out to the front part of the sound insulation cabin with the lifting door opened through the plurality of air suction openings, and the phenomenon that the air in the sound insulation cabin is sprayed outwards when the lifting door is just opened, so that a user directly sucks toxic smoke dust in the sound insulation cabin is effectively avoided.
According to the invention, the left star frame is close to the right star frame, at the moment, one buffer piece is pressed and deformed by the small head of the object to be marked, so that the buffer piece is sunk into the positioning seat after being deformed, and according to the clamping degree of the object to be marked, three annular clamping grooves are sequentially abutted on each ladder part after the buffer piece is deformed, so that the positioning of each object to be marked is completed, the center of the small head of the object to be marked and the center of the large head are coaxial, at the moment, the clamping and fixing of the object to be marked are completed through the matching of the star frame, the positioning seat and the buffer piece, the same standard can be carried out on the initial fixing position of the object to be marked, the angle of the laser head is correspondingly adjusted, and the focusing time of the laser head is effectively reduced.
According to the invention, through the operation of the fan, the fan exhausts the sound insulation cabin through the exhaust hood, toxic smoke dust generated in the marking process is filtered, and the toxic smoke dust is filtered through the filter screen on the exhaust hood, so that the toxic smoke dust is prevented from being exhausted into the air to pollute the air and endanger the body health of operators.
Drawings
FIG. 1 is a schematic view of a first three-dimensional structure of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 2 is a schematic diagram of a second three-dimensional structure of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 3 is a front view of an autofocus device for a laser marking machine of the present invention;
FIG. 4 is a schematic perspective view of a loading and unloading unit of the auto-focusing device for laser marking machine according to the present invention;
FIG. 5 is a schematic view of a first combined three-dimensional structure of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 6 is a schematic view of a second combined three-dimensional structure of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 7 is a schematic view of a first three-dimensional structure of a focusing unit of the automatic focusing device for a laser marking machine according to the present invention;
FIG. 8 is a schematic diagram of a second three-dimensional structure of a focusing unit of the automatic focusing device for a laser marking machine according to the present invention;
FIG. 9 is a schematic view of a first three-dimensional structure of a hatch unit of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 10 is a schematic view of a second three-dimensional structure of an opening unit of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 11 is a schematic perspective view of a suction filtration unit of the automatic focusing device for a laser marking machine according to the present invention;
FIG. 12 is a schematic view of a third combined three-dimensional structure of an automatic focusing device for a laser marking machine according to the present invention;
FIG. 13 is a schematic perspective view of a protection unit of the automatic focusing device for a laser marking machine according to the present invention;
fig. 14 is a partial sectional view of a bar of an automatic focusing device for a laser marking machine according to the present invention.
Reference numbers in the drawings: 1-underframe, 2-non-slip mat, 3-material box, 4-soundproof cabin, 5-lifting door, 6-stop lever, 7-laser head, 8-bracket, 9-positioning gun, 10-positioning seat, 11-buffer, 6001-air chamber, 6002-air suction inlet, 1001-ladder-stage part, 1101-annular clamping groove, 101-support, 102-first power assembly, 103-screw rod, 104-positioning rod, 105-balance block, 106-mounting plate, 201-first electric slide rail, 202-first electric slide block, 301-T-shaped plate, 302-second power assembly, 303-first fixing ring, 304-star frame, 305-Y-shaped plate, 306-first electric actuator, 307-shaft sleeve, 308-sliding rod, 401-door-shaped frame, 402-second electric sliding rail, 403-second electric sliding block, 404-rack, 405-first support plate, 406-second support plate, 407-rotating shaft, 408-gear, 409-telescopic rod, 4010-mounting seat, 4011-second fixed ring, 4012-second electric actuator, 4013-pin rod, 501-third electric actuator, 502-connecting rod, 503-linear grooved rod, 504-rotating rod, 505-third support plate, 506-string, 601-bellows 602-fan, 603-first air pipe, 604-exhaust hood, 701-second air pipe, 702-elastic part, piston plate, 704-supporting rod, 705-limiting plate.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings.
Example 1
An automatic focusing device for a laser marking machine is shown in figures 1-14 and comprises a bottom frame 1, an anti-slip pad 2, a material box 3 and a sound insulation cabin 4; the lower part of the underframe 1 is provided with four anti-skid mats 2; two material tanks 3 are arranged at the lower part of the underframe 1, one material tank is used for placing a to-be-marked object, and the other material tank is used for placing a finished marked object; the two material boxes 3 are positioned above the four anti-skid pads 2; a sound insulation cabin 4 is connected to the underframe 1 through bolts;
the device also comprises a loading and unloading unit, an adjusting system, a marking system and a protection system; the inner bottom surface of the sound insulation cabin 4 is connected with a loading and unloading unit; the loading and unloading unit is connected with an adjusting system; a marking system is connected in the sound insulation cabin 4; the front part of the underframe 1 is connected with a protection system; the protection system is connected with the sound insulation cabin 4; the loading and unloading unit is connected with the marking system; the protection system is opened, take out from material case 3 and wait to beat the mark article, loading and unloading unit cooperation adjustment system, release adjustment system, wait to beat the mark article and fix on adjustment system, the loading and unloading unit returns back, adjustment system resets, and the adjustment is waited to beat the mark position of mark article, marking system treats that the mark article is beaten and carries out laser marking, the harmful smoke and dust suction filtration that protection system will beat the mark process and produce, sound insulation cabin 4 carries out the noise to beating the mark system, the isolation of vibrations and light, beat the mark completion after, loading and unloading unit cooperation adjustment system, will beat the mark completion and see out, the operator will beat the mark completion and take out, and collect in another material case 3.
As shown in fig. 1 and fig. 4 to 6, the loading and unloading unit includes a support 101, a first power assembly 102, a screw 103, a positioning rod 104, a balance weight 105 and a mounting plate 106; the front and the back of the bottom surface in the sound insulation cabin 4 are respectively welded with a support 101; a first power assembly 102 is arranged on the support 101 at the rear part; the rear support 101 is connected with a marking system; the output shaft of the first power assembly 102 is fixedly connected with a screw rod 103; the screw rod 103 is connected with the marking system; the front part of the screw rod 103 is rotationally connected with a support 101; the left part and the right part of the two support seats 101 are respectively fixedly connected with a positioning rod 104; the two positioning rods 104 are connected with a balance weight 105 in a sliding way; the middle part of the balance weight 105 is screwed with the screw rod 103; the upper surface of the balance weight 105 is connected with a mounting plate 106 through bolts; the mounting plate 106 is connected to the adjustment system.
The first power assembly 102 is a servo motor.
According to fig. 1 and 5, the adjusting system is composed of a positioning seat 10, a buffer 11, a power unit and a fixing unit; the upper surface of the mounting plate 106 is connected with a power unit; the power unit is connected with a fixing unit; the fixing unit is connected with two positioning seats 10; a three-stage step part 1001 is hollowed in the middle of the positioning seat 10; the opposite sides of the two positioning seats 10 are respectively connected with a buffer 11, and the centers of the positioning seats 10 and the buffers 11 are coaxial; three annular clamping grooves 1101 are formed in the buffer member 11; the three circular card slots 1101 each correspond to a corner of one of the step portions 1001;
the power unit comprises a first electric slide rail 201 and a first electric slide block 202; a first electric slide rail 201 is arranged on the upper surface of the mounting plate 106; two first electric sliding blocks 202 are connected to the first electric sliding rail 201 in a sliding manner; the first electric slider 202 is connected to the fixed unit.
According to fig. 1 and fig. 5-6, the fixing unit comprises a T-shaped plate 301, a second power assembly 302, a first fixing ring 303, a star frame 304, a Y-shaped plate 305, a first electric actuator 306, a shaft sleeve 307 and a sliding rod 308; a T-shaped plate 301 is fixedly connected to the first electric sliding block 202 on the right; a second power assembly 302 is arranged on the T-shaped plate 301; the upper part of the T-shaped plate 301 is connected with a first fixing ring 303 through bolts; the first fixing ring 303 is in contact with the output shaft of the second power assembly 302; the left end of the output shaft of the second power assembly 302 is fixedly connected with a star frame 304; the left part of the star frame 304 is welded with a positioning seat 10; a Y-shaped plate 305 is fixedly connected to the first electric sliding block 202 on the left; a first electric actuator 306 is arranged at the upper part of the Y-shaped plate 305; the upper part of the Y-shaped plate 305 is rotatably connected with a shaft sleeve 307; the bushing 307 is located to the right of the first electric actuator 306; the telescopic part of the first electric actuator 306 is rotatably connected with a sliding rod 308; the sliding rod 308 is connected with the shaft sleeve 307 in a sliding way; the other star frame 304 is welded at the right part of the sliding rod 308; the right side of the spider 304 is welded to another positioning socket 10.
The buffer 11 is made of flexible silicone material.
The second power assembly 302 is a servo motor.
The first electric actuator 306 is an electric push rod.
According to fig. 1 and 7-8, the marking system consists of a laser head 7, a support 8, a positioning gun 9 and a focusing unit; the bottom of the inner surface of the sound insulation cabin 4 is connected with a focusing unit; the focusing unit is connected with a laser head 7; the left part and the right part of the laser head 7 are symmetrically provided with a bracket 8 respectively; the lower parts of the two brackets 8 are respectively connected with a positioning gun 9; the focusing unit is fixedly connected with the support 101 at the rear part; the focusing unit is rotationally connected with a rear screw rod 103;
the focusing unit comprises a door-shaped frame 401, a second electric slide rail 402, a second electric slide block 403, a rack 404, a first support plate 405, a second support plate 406, a rotating shaft 407, a gear 408, a telescopic rod 409, a mounting seat 4010, a second fixed ring 4011, a second electric actuator 4012 and a pin rod 4013; the bottom of the inner surface of the sound insulation cabin 4 is connected with a door-shaped frame 401 through bolts; a second electric slide rail 402 is arranged on the upper surface of the door-shaped frame 401; two second electric sliding blocks 403 are connected to the second electric sliding rail 402 in a sliding manner; a rack 404 is fixedly connected to the two second electric sliding blocks 403; the bottom of the inner surface of the sound insulation cabin 4 is connected with a first supporting plate 405 through bolts; the first support plate 405 is located in front of the gantry 401; a second support plate 406 is welded in the middle of the support 101 at the rear; the upper parts of the first support plate 405 and the second support plate 406 are connected with a rotating shaft 407 in a co-rotating manner; a gear 408 is fixedly connected to the rear part of the outer surface of the rotating shaft 407; the lower part of the gear 408 is meshed with the rack 404; the front part of the outer surface of the rotating shaft 407 is fixedly connected with a telescopic rod 409; the telescopic part of the telescopic rod 409 is welded with two mounting seats 4010; each of the two mounting seats 4010 is detachably connected with a second fixing ring 4011; a second electric actuator 4012 is arranged on the rear side of the fixing part of the telescopic rod 409; a pin rod 4013 is fixedly connected to the telescopic part of the second electric actuator 4012; the front part of the pin rod 4013 is fixedly connected with the telescopic part of the telescopic rod 409.
The second electric actuator 4012 is an electric push rod.
According to fig. 1 and 9-14, the protection system consists of a lifting door 5, a stop lever 6, a cabin opening unit, a suction filtration unit and a protection unit; the front part of the sound insulation cabin 4 is connected with a lifting door 5 in a sliding way; the lifting door 5 is connected with an opening unit; the cabin opening unit is connected with the underframe 1; the cabin opening unit is connected with the sound insulation cabin 4; the cabin opening unit is connected with a stop lever 6; an air chamber 6001 is arranged inside the stop rod 6; a plurality of air suction openings 6002 are formed in the stop lever 6; the lower part of each air suction port 6002 is communicated with the air chamber 6001; the sound insulation cabin 4 is connected with a suction filtration unit; the suction filtration unit is connected with a protection unit; the protection unit is connected with the stop lever 6;
the cabin opening unit comprises a third electric actuator 501, a connecting rod 502, a wire casing rod 503, a rotating rod 504, a third support plate 505 and a string 506; two third electric actuators 501 are symmetrically arranged at the front part of the underframe 1; two extension parts of the third electric actuators 501 are respectively fixedly connected with an engaging rod 502; the front parts of the two connecting rods 502 are both fixedly connected with the lifting door 5; a wire groove rod 503 is respectively penetrated through the left part and the right part of the sound insulation cabin 4; two wire groove rods 503 are welded with a rotating rod 504 on the opposite sides respectively; the front parts of the two rotating rods 504 are fixedly connected with the stop lever 6; a third support plate 505 is connected to each of the left rear part and the right rear part of the lifting door 5 through bolts; a string 506 is connected to each of the two third brackets 505; the lower portions of the two strings 506 are connected to a slotted rod 503.
The third electric actuator 501 is an electric push rod.
The inlet scoop 6002 on the pin 6 faces one side of the lifting door 5 for drawing harmful smoke in the sound insulation cabin 4 into the inlet scoop 6002, so as to prevent people from inhaling harmful smoke.
According to fig. 1 and fig. 11-12, the suction filtration unit comprises a wind box 601, a fan 602, a first wind pipe 603 and a suction hood 604; the bottom of the sound insulation cabin 4 is welded with an air box 601, and the lower part of the air box 601 is provided with a vent; the bellows 601 is connected to the shielding unit; a fan 602 is arranged on the air box 601, and the fan 602 is positioned at a vent on the air box 601; the rear part of the air box 601 is communicated with a first air pipe 603; the first air pipe 603 is fixedly connected with the sound insulation cabin 4; the upper part of the first air pipe 603 is communicated with an air draft cover 604; the front part of the draught hood 604 is fixedly connected with the sound insulation cabin 4.
The front part of the air draft cover 604 is provided with a filter screen for filtering harmful smoke dust in the sound insulation cabin 4.
According to fig. 1 and fig. 13-14, the protection unit comprises a second air pipe 701, an elastic member 702, a piston plate 703, a support rod 704 and a limit plate 705; the front part of the air box 601 is communicated with a second air pipe 701; the upper part of the second air pipe 701 is communicated with the air chamber 6001; two elastic pieces 702 are symmetrically and fixedly connected to the front wall of the inner surface of the air box 601; the rear parts of the two elastic pieces 702 are fixedly connected with a piston plate 703 together, and a plurality of circular holes are formed in the piston plate 703; two struts 704 are welded on the front side of the piston plate 703; the two supporting rods 704 are both connected with the air box 601 in a sliding manner; the two supporting rods 704 are used for jointly contacting and driving the stop lever 6; a limiting plate 705 is welded at the front part of the air box 601, a plurality of spherical bulges are arranged on the limiting plate 705, and each spherical bulge corresponds to a circular hole of one piston plate 703; the limiting plate 705 is provided with a plurality of air permeable grooves.
The elastic member 702 is a spring.
The spherical protrusions on the limiting plate 705 are made of flexible silica gel materials and are used for fully plugging the circular hole of the piston plate 703.
Before the automatic focusing device for the laser marking machine is used, firstly, an object to be marked is limited as follows, the object to be marked is made of a hard material, one end of the object to be marked is large, the other end of the object to be marked is small, and the two ends of the object to be marked are transited through an ellipsoidal curved surface.
Firstly, the fan 602 is controlled to be started, the air in the sound insulation cabin 4 is extracted through the air box 601, the first air pipe 603 and the air draft cover 604, the air is filtered through the filter screen on the air draft cover 604, the two third electric actuators 501 are controlled to be started, the two third electric actuators 501 extend to synchronously drive the lifting door 5 to move upwards to expose the front opening of the sound insulation cabin 4, meanwhile, the lifting door 5 also drives the linear groove rod 503 to rotate through the string 506 to synchronously drive the stop rod 6 to rotate, the stop rod 6 is horizontally blocked between the sound insulation cabin 4 and an operator, at the moment, the two elastic members 702 are stretched in the initial state, when the stop rod 6 is not in contact with the two support rods 704, the two elastic members 702 recover to synchronously drive the piston plate 703 to move in the direction away from the limiting plate, so that the air box 601 is communicated with the second air pipe 701, the fan 602 operates, the air in the air chamber 6001 is extracted through the second air pipe 701, the air chamber 6001 faces the front part of the sound insulation cabin 4 through the plurality of the air draft ports 6002, and the user directly inhales the dust in the sound insulation cabin 4 when the sound insulation cabin 5 is opened.
Then the first power assembly 102 is controlled to be started, the output shaft of the first power assembly 102 rotates, the first power assembly 102 drives the screw rod 103 to rotate, the balance weight 105 is driven to move forwards under the matching of the two positioning rods 104, the power unit and the fixing unit are synchronously driven to move forwards until the power unit and the fixing unit are extended out of the sound insulation cabin 4, the first power assembly 102 is controlled to be closed, an operator takes out an object to be marked from one material box 3 and transfers the object to be marked between the two star frames 304, then the distance between the two star frames 304 is controlled by controlling the movement of the two first electric sliding blocks 202 on the first electric sliding rails 201, so that the two star frames 304 are close to the object to be marked, the center of the object to be marked is limited, then the two first electric sliding blocks 202 are controlled to stop moving, then the first electric actuator 306 is controlled to be started, and the first electric actuator 306 is extended, synchronously driving the left star frame 304 to be close to the right star frame 304, pressing and deforming one buffer member 11 by the small end of the object to be marked at the moment, leading the buffer member 11 to be sunk into the positioning seat 10 after being deformed, sequentially abutting three annular clamping grooves 1101 on the corner of each step part 1001 after the buffer member 11 is deformed according to the clamping degree of the object to be marked, completing the positioning of each object to be marked, leading the center of the small end of the object to be marked and the center of the large end to be coaxial, completing the clamping and fixing of the object to be marked through the matching of the star frame 304, the positioning seat 10 and the buffer member 11 at the moment, and also performing the same specification on the initial fixing position of the object to be marked, reducing the focusing time of the laser head 7, controlling and closing the first electric actuator 306, then controlling and starting the first power assembly 102, synchronously driving the power unit and the fixing unit to reset, then, the two third electric actuators 501 are started through control, the two third electric actuators 501 contract, the lifting door 5 is synchronously driven to move downwards, and until the front part of the sound insulation cabin 4 is plugged, meanwhile, the stop lever 6 resets, the stop lever 6 pushes the two support rods 704, the piston plate 703 is synchronously close to the limiting plate 705, the circular protrusion on the limiting plate 705 plugs the circular hole of the piston plate 703, the air bellow 601 is not communicated with the second air pipe 701, therefore, the stop lever 6 does not perform air suction any more, and the two elastic pieces 702 are stretched.
Then, by controlling the two first electric sliding blocks 202 to move on the first electric sliding rails 201 at the same time, an object to be marked is moved to the lower part of the laser head 7, at the moment, the two positioning guns 9 are controlled to be started, the positioning light rays emitted by the two positioning guns 9 are irradiated to the surface of the object to be marked, if the light rays emitted by the two positioning guns 9 are not focused on one point on the surface of the object to be marked, at the moment, the second electric actuator 4012 is controlled to be started, the extension of the telescopic rod 409 is controlled by the second electric actuator 4012, if the positioning light rays cannot be focused on one point, the telescopic rod 409 is controlled to be contracted until the positioning light rays are focused on one point, at the moment, the initial focusing positioning of the point to be marked is completed, then the laser head 7 is controlled to carry out laser marking on the surface of the object to be marked, and meanwhile, because the surface of the object to be marked is not provided with an ellipsoidal curved surface, during the marking process, for making the etch pit depth of beating the mark unanimous, and can fully laminate the curved surface, at this moment through controlling two electronic sliders 403 of second and moving on electronic slide rail 402 of second, synchronous driving rack 404 drive gear 408 rotates, drive telescopic link 409 simultaneously and rotate, telescopic link 409 then drives laser head 7 in step and rotates, through the rotation to laser head 7, a curved surface structure for adapt to the mark thing of waiting to beat, and the etching is through two location light, control second electric actuator 4012's extension or shrink, make laser head 7 can mark the position by the perpendicular to, make the degree of depth of beating the mark etching unanimous, beat the back of a line after, control starts second power component 302, second power component 302 output shaft rotates, second power component 302 drives in step and waits to beat the mark thing intermittent type and rotates, be convenient for beat the mark to beat the mark different positions of mark outer anchor ring and beat.
At the moment, noise and radiation generated by the laser head 7 during working are isolated through the sound insulation cabin 4 and the lifting door 5, the noise and the radiation are effectively prevented from being transmitted, then toxic smoke dust generated in the marking process is filtered through the fan 602 by operating the fan 602 and exhausting air from the sound insulation cabin 4 through the air exhaust cover 604, the toxic smoke dust generated in the marking process is filtered, and the toxic smoke dust is prevented from being exhausted into the air through the filter screen on the air exhaust cover 604, so that the air is prevented from being polluted, and the physical health of operators is endangered.
The method comprises the steps that an operator observes the progress of laser marking through a lifting door 5 made of transparent materials, after marking is completed, air is continuously pumped out of a sound insulation cabin 4, toxic smoke dust in the sound insulation cabin 4 is fully pumped out, then two third electric actuators 501 are controlled to be started, the two third electric actuators 501 extend, the lifting door 5 is synchronously enabled to ascend, after a stop lever 6 is synchronously enabled to rotate, the stop lever is blocked between the operator and the sound insulation cabin 4, then a first power assembly 102 is controlled to be started, an output shaft of the first power assembly 102 rotates, a power unit and a fixing unit are synchronously driven to move forwards, then the operator clamps a finished marking object through a clamping tool, the condition that the operator holds the marking object to be finished is avoided, the operator is caused, then the first electric actuator 306 is controlled to be started to contract, the finished marking object is separated from a star frame 304, fixing of a positioning seat 10 and a buffer 11 is controlled to be carried out, the finished marking object is transferred into another material box 3 by the operator, then the first power assembly 102 is controlled to reversely rotate, the power unit and the fixing unit are synchronously driven to reset, the two third electric actuators are controlled to contract, the lifting door 5 is synchronously enabled to descend, the laser marking efficiency is improved, and the laser marking process is effectively carried out continuously.
The spherical protrusions on the limiting plate 705 are made of flexible silica gel materials.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (10)
1. An automatic focusing device for a laser marking machine comprises a bottom frame (1), an anti-slip pad (2), a material box (3) and a sound insulation cabin (4); the lower part of the underframe (1) is provided with four anti-skid pads (2); two material tanks (3) are arranged at the lower part of the underframe (1), one material tank is used for placing a to-be-marked object, and the other material tank is used for placing a finished marked object; the two material boxes (3) are both positioned above the four anti-skid pads (2); a sound insulation cabin (4) is fixedly connected to the underframe (1); the device is characterized by also comprising a loading and unloading unit, an adjusting system, a marking system and a protection system; the inner bottom surface of the sound insulation cabin (4) is connected with a loading and unloading unit; the loading and unloading unit is connected with an adjusting system for adjusting the position to be marked; a marking system for marking the curved surface object is connected in the sound insulation cabin (4); the front part of the underframe (1) is connected with a protection system; the protection system is connected with the sound insulation cabin (4); the loading and unloading unit is connected with the marking system.
2. The automatic focusing device for the laser marking machine according to claim 1, characterized in that the loading and unloading unit comprises a support (101), a first power assembly (102), a screw rod (103), a positioning rod (104), a balance weight (105) and a mounting plate (106); a support (101) is fixedly connected to the front and the rear of the inner bottom surface of the sound insulation cabin (4); a first power assembly (102) is arranged on the support (101) at the rear part; the rear support (101) is connected with the marking system; a screw rod (103) is fixedly connected with an output shaft of the first power assembly (102); the screw rod (103) is connected with the marking system; the front part of the screw rod (103) is rotationally connected with a support (101); the left part and the right part of the two support seats (101) are respectively fixedly connected with a positioning rod (104); the two positioning rods (104) are connected with a balance block (105) in a sliding way; the middle part of the balance block (105) is screwed with the screw rod (103); the upper surface of the balance block (105) is fixedly connected with a mounting plate (106); the mounting plate (106) is connected to the adjustment system.
3. The automatic focusing device for laser marking machine according to claim 2 is characterized in that the adjusting system is composed of a positioning seat (10), a buffer member (11), a power unit and a fixing unit; the upper surface of the mounting plate (106) is connected with a power unit; the power unit is connected with a fixing unit for clamping and positioning the object to be marked; the fixing unit is connected with two positioning seats (10); a three-stage step part (1001) is hollowed in the middle of the positioning seat (10); the opposite sides of the two positioning seats (10) are respectively connected with a buffer piece (11), and the centers of the positioning seats (10) and the buffer pieces (11) are coaxial; three annular clamping grooves (1101) are formed in the buffer piece (11); the three annular clamping grooves (1101) correspond to the corners of one ladder-shaped part (1001) respectively; the fixing unit comprises a T-shaped plate (301), a second power assembly (302), a first fixing ring (303), a star frame (304), a Y-shaped plate (305), a first electric actuator (306), a shaft sleeve (307) and a sliding rod (308); the power unit is connected with a T-shaped plate (301); a second power assembly (302) is arranged on the T-shaped plate (301); the upper part of the T-shaped plate (301) is fixedly connected with a first fixing ring (303); the first fixing ring (303) is in contact with an output shaft of the second power assembly (302); the left end of an output shaft of the second power assembly (302) is fixedly connected with a star frame (304); the left part of the star frame (304) is fixedly connected with a positioning seat (10); the power unit is connected with a Y-shaped plate (305); a first electric actuator (306) is arranged at the upper part of the Y-shaped plate (305); the upper part of the Y-shaped plate (305) is rotatably connected with a shaft sleeve (307); the shaft sleeve (307) is positioned at the right side of the first electric actuator (306); the telescopic part of the first electric actuator (306) is rotationally connected with a sliding rod (308); the sliding rod (308) is connected with the shaft sleeve (307) in a sliding way; the right part of the sliding rod (308) is fixedly connected with another star frame (304); the right side of the star-shaped frame (304) is fixedly connected with another positioning seat (10).
4. The automatic focusing device for the laser marking machine according to the claim 3 is characterized in that the marking system is composed of a laser head (7), a support (8), a positioning gun (9) and a focusing unit; the bottom of the inner surface of the sound insulation cabin (4) is connected with a focusing unit which vertically focuses on the marking position; the focusing unit is connected with a laser head (7); the left part and the right part of the laser head (7) are symmetrically provided with a bracket (8) respectively; the lower parts of the two brackets (8) are respectively connected with a positioning gun (9); the focusing unit is fixedly connected with a support (101) at the rear part; the focusing unit is rotationally connected with a rear screw rod (103); the focusing unit comprises a door-shaped frame (401), a second electric slide rail (402), a second electric slide block (403), a rack (404), a first support plate (405), a second support plate (406), a rotating shaft (407), a gear (408), a telescopic rod (409), a mounting seat (4010), a second fixing ring (4011), a second electric actuator (4012) and a pin rod (4013); the bottom of the inner surface of the sound insulation cabin (4) is fixedly connected with a door-shaped frame (401); a second electric slide rail (402) is arranged on the upper surface of the door-shaped frame (401); two second electric sliding blocks (403) are connected on the second electric sliding rail (402) in a sliding manner; a rack (404) is fixedly connected to the two second electric sliding blocks (403) together; a first supporting plate (405) is fixedly connected to the bottom of the inner surface of the sound insulation cabin (4); the first supporting plate (405) is positioned in front of the door-shaped frame (401); a second support plate (406) is fixedly connected to the middle part of the rear support (101); the upper parts of the first support plate (405) and the second support plate (406) are jointly and rotatably connected with a rotating shaft (407); a gear (408) is fixedly connected to the rear part of the outer surface of the rotating shaft (407); the lower part of the gear (408) is meshed with the rack (404); the front part of the outer surface of the rotating shaft (407) is fixedly connected with a telescopic rod (409); the telescopic part of the telescopic rod (409) is fixedly connected with two mounting seats (4010); two mounting seats (4010) are detachably connected with a second fixing ring (4011) respectively; a second electric actuator (4012) is arranged on the rear side of the fixed part of the telescopic rod (409); a pin rod (4013) is fixedly connected to the telescopic part of the second electric actuator (4012); the front part of the pin rod (4013) is fixedly connected with the telescopic part of the telescopic rod (409).
5. The automatic focusing device for the laser marking machine according to the claim 4 is characterized in that the protection system is composed of a lifting door (5), a stop lever (6), a cabin opening unit, a suction filtration unit and a protection unit; the front part of the sound insulation cabin (4) is connected with a lifting door (5) made of transparent materials in a sliding manner; the lifting door (5) is connected with an opening unit; the cabin opening unit is connected with the underframe (1); the cabin opening unit is connected with the sound insulation cabin (4); the cabin opening unit is connected with a stop lever (6); an air chamber (6001) is arranged inside the stop lever (6); a plurality of air suction openings (6002) are formed in the stop lever (6); the lower part of each air suction opening (6002) is communicated with the air chamber (6001); the sound insulation cabin (4) is connected with a suction filtration unit for extracting harmful smoke dust; the suction filtration unit is connected with a protection unit for protecting the safe use of operators; the protection unit is connected with the stop lever (6); the cabin opening unit comprises a third electric actuator (501), a connecting rod (502), a wire casing rod (503), a rotating rod (504), a third support plate (505) and a thin rope (506); two third electric actuators (501) are symmetrically arranged at the front part of the underframe (1); two extension parts of the third electric actuators (501) are respectively fixedly connected with a joint rod (502); the front parts of the two connecting rods (502) are fixedly connected with the lifting door (5) together; a wire groove rod (503) penetrates through the left part and the right part of the sound insulation cabin (4) respectively; the back sides of the two wire groove rods (503) are respectively fixedly connected with a rotating rod (504); the front parts of the two rotating rods (504) are fixedly connected with the stop lever (6) together; a third support plate (505) is fixedly connected to the left part and the right part of the rear side of the lifting door (5); a string (506) is connected to each of the two third support plates (505); the lower parts of the two strings (506) are respectively connected with a wire groove rod (503).
6. The automatic focusing device for the laser marking machine according to claim 5, characterized in that the suction filtration unit comprises a wind box (601), a fan (602), a first wind pipe (603) and a suction hood (604); the bottom of the sound insulation cabin (4) is fixedly connected with an air box (601), and the lower part of the air box (601) is provided with a ventilation opening; the air box (601) is connected with the protection unit; a fan (602) is arranged on the air box (601), and the fan (602) is positioned at an air vent on the air box (601); the rear part of the air box (601) is communicated with a first air pipe (603); the first air pipe (603) is fixedly connected with the sound insulation cabin (4); the upper part of the first air pipe (603) is communicated with an air draft cover (604); the front part of the draught hood (604) is fixedly connected with the sound insulation cabin (4).
7. The automatic focusing device for laser marking machine according to claim 6 is characterized in that the protection unit comprises a second air pipe (701), an elastic member (702), a piston plate (703), a support rod (704) and a limit plate (705); the front part of the air box (601) is communicated with a second air pipe (701); the upper part of the second air pipe (701) is communicated with the air chamber (6001); two elastic pieces (702) are symmetrically and fixedly connected to the front wall of the inner surface of the air box (601); the rear parts of the two elastic pieces (702) are fixedly connected with a piston plate (703), and a plurality of circular holes are formed in the piston plate (703); two supporting rods (704) are fixedly connected to the front side of the piston plate (703); the two supporting rods (704) are both connected with the air box (601) in a sliding manner; the two supporting rods (704) are used for jointly contacting and driving the stop lever (6); a limiting plate (705) is fixedly connected to the front part of the air box (601), a plurality of spherical bulges are arranged on the limiting plate (705), and each spherical bulge corresponds to a circular hole of one piston plate (703); the limiting plate (705) is provided with a plurality of ventilation grooves.
8. The autofocus device for laser marking machines according to claim 3, characterized in that the buffer (11) is made of flexible silicone material.
9. The autofocus device for laser marking machines according to claim 5, characterized in that the air suction opening (6002) of the stop lever (6) faces the side of the lifting door (5).
10. The automatic focusing device for laser marking machine according to claim 7 is characterized in that the spherical bulge on the limiting plate (705) is made of flexible silicone material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108970.4A CN115178888A (en) | 2022-09-13 | 2022-09-13 | Automatic focusing device for laser marking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211108970.4A CN115178888A (en) | 2022-09-13 | 2022-09-13 | Automatic focusing device for laser marking machine |
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| CN115178888A true CN115178888A (en) | 2022-10-14 |
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| CN202211108970.4A Pending CN115178888A (en) | 2022-09-13 | 2022-09-13 | Automatic focusing device for laser marking machine |
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