CN115008029A - Ultrafast laser precision machining device and machining method thereof - Google Patents
Ultrafast laser precision machining device and machining method thereof Download PDFInfo
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- CN115008029A CN115008029A CN202210732330.4A CN202210732330A CN115008029A CN 115008029 A CN115008029 A CN 115008029A CN 202210732330 A CN202210732330 A CN 202210732330A CN 115008029 A CN115008029 A CN 115008029A
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- 238000003754 machining Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003068 static effect Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 146
- 238000005520 cutting process Methods 0.000 claims description 48
- 238000003825 pressing Methods 0.000 claims description 31
- 239000000110 cooling liquid Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 16
- 238000003698 laser cutting Methods 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 8
- 238000005057 refrigeration Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 2
- 238000003672 processing method Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 description 24
- 239000007788 liquid Substances 0.000 description 24
- 230000009471 action Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000007664 blowing Methods 0.000 description 3
- 230000002337 anti-port Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000001502 supplementing effect Effects 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
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0531—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor internal pipe alignment clamps
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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
- 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
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
- B23K37/0538—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor for rotating tubes, e.g. rollers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to the technical field of laser processing, and particularly discloses an ultrafast laser precision processing device and a processing method thereof, wherein the ultrafast laser precision processing device comprises a base; a supporting rod is fixedly connected to the top of the base; the top of the supporting rod is fixedly connected with a top plate; a laser generator is arranged at the bottom of the top plate; a pair of supporting plates is fixedly connected to the top of the base; the inner side wall of the supporting plate is rotatably connected with a cylindrical block; a first straight gear is fixedly connected to the outer side wall of the cylindrical block; a motor is arranged on the side wall of the supporting plate; the output end of the motor is fixedly connected with a first rotating shaft; a second straight gear meshed with the first straight gear is fixedly connected to the outer side wall of the first rotating shaft; a first sliding block is connected inside the first cavity in a sliding manner; a second cavity is arranged in the first sliding block; a clamping mechanism is arranged in the second cavity; the clamping mechanism enables the circular pipe fitting and the cylindrical block to keep relatively static, and the cylindrical block is driven to rotate through the motor, so that the laser generator can conveniently cut the circular pipe fitting in the circumferential direction.
Description
Technical Field
The invention relates to the technical field of laser processing, in particular to an ultrafast laser precision processing device and a processing method thereof.
Background
The laser cutting device is one of laser precision machining devices, when a workpiece is cut, a laser generator emits a laser beam to irradiate the surface of the workpiece, the workpiece is melted and evaporated by energy released by the laser beam, and therefore the purpose of cutting is achieved, and the laser cutting device has the advantages of being high in cutting precision, high in efficiency, good in effect and the like.
Laser cutting device is cutting the during operation to pipe spare among the prior art, for the cutting operation that realizes pipe spare circumference, need install laser generator on can carrying out the equipment of surrounding movement along the work piece, when laser generator takes place to rock in the motion process, easily causes the reduction of laser generator to the cutting precision of pipe spare.
Disclosure of Invention
The application provides ultrafast laser precision finishing device has and makes pipe fitting take place to rotate carrying out laser cutting during operation to pipe fitting to realize laser generator to pipe fitting circumference's cutting operation, laser generator is difficult for producing in the cutting process and rocks, and then reduces the possibility to the influence of cutting precision.
The application provides an ultrafast laser precision finishing device adopts following technical scheme:
an ultrafast laser precision machining apparatus includes a base; a supporting rod is fixedly connected to the top of the base; the top of the supporting rod is fixedly connected with a top plate; a laser generator is arranged at the bottom of the top plate; a pair of supporting plates is fixedly connected to the top of the base; the inner side walls of the pair of supporting plates are rotatably connected with cylindrical blocks; the outer side wall of the cylindrical block is fixedly connected with a first straight gear, and a first cavity is arranged in the cylindrical block; a motor is arranged on the side wall of the supporting plate; the output end of the motor is fixedly connected with a first rotating shaft; a pair of second straight gears meshed with the first straight gear is fixedly connected to the outer side wall of the first rotating shaft, which is close to the first straight gear; a first sliding block is connected inside the first cavity in a sliding manner; a second cavity is arranged in the first sliding block; a clamping mechanism for fixing the circular pipe piece is arranged in the second cavity; the first cavity is internally provided with an elastic piece driving the first sliding block to slide.
Through adopting above-mentioned technical scheme, before carrying out laser cutting work to pipe spare, the pipe spare that will wait to cut is placed between two first slider position, promote first slider through the elastic component and slide along first cavity, make the tip of first slider stretch into inside the pipe fitting, rethread clamping mechanism supports tightly the inside wall to the pipe spare, make and keep relative static between pipe fitting and the first slider, when laser generator cuts pipe spare, starter motor drives first pivot and second straight-toothed gear and rotates, the second straight-toothed gear drives first straight-toothed gear and cylinder piece and rotates, make the cylinder piece drive first slider and pipe spare and rotate in step, and then realize laser generator and to the cutting work of encircleing of pipe fitting.
Preferably, a first threaded hole is formed in the side wall, away from the first straight gear, of the cylindrical block; the first threaded hole is communicated with the first cavity; the clamping mechanism comprises a second slide block; the second sliding block is connected in the second cavity in a sliding mode; a group of first sliding grooves are formed in the inner side wall of the second cavity; a third sliding block is connected inside the first sliding groove in a sliding manner; an inclined plane is arranged on the side wall of the third sliding block close to the second sliding block, and a top block is fixedly connected to the end part of the third sliding block far away from the inclined plane; the side wall of the top block close to the third sliding block is connected with the outer side wall of the first sliding block through a first spring; a round corner matched with the inclined plane is arranged on the side wall, close to the inclined plane, of the second sliding block; a first threaded rod is connected with the first threaded hole in an internal thread manner; a through hole is formed in the side wall, close to the second threaded rod, of the second cavity; the through hole is communicated with the interior of the first cavity; the end part of the first threaded rod penetrates through the through hole to be in contact with the side wall of the third sliding block, which is far away from the fillet; and the side wall of the third sliding block, which is far away from the first threaded rod, is connected with the inner side wall of the second cavity through a second spring.
By adopting the technical scheme, after the first sliding block extends into the circular pipe fitting, the first threaded rod is rotated to enable the first threaded rod to extrude the second sliding block to slide along the inner side wall of the second cavity, and under the matching work of the circular angle and the inclined plane, the second sliding block extrudes the third sliding block to slide outwards along the first sliding groove, so that the top block abuts against the inner side wall of the circular pipe fitting, and the circular pipe fitting and the first sliding block are kept relatively static; after the completion is to the cutting of pipe fitting, the first threaded rod of antiport, the second slider returns to smooth under the elastic force of second spring, and the kicking block drives the third slider and returns smooth at the elastic force of first spring for the kicking block loses the tight effect of support to pipe fitting inside wall, and the staff of being convenient for takes off the pipe fitting.
Preferably, a second threaded hole is formed in the side wall of the cylindrical block, which is on the same side as the first threaded hole; the second threaded hole is communicated with the first cavity, and a second threaded rod is connected with the second threaded hole in an internal thread mode; the end part of the second threaded rod close to the first sliding block is contacted with the side wall of the first sliding block; the elastic member comprises a third spring; the third spring is arranged on the side wall of the first sliding block, which is in contact with the second threaded rod, and the end part of the third spring, which is far away from the first sliding block, is connected with the inner side wall of the first cavity.
Through adopting above-mentioned technical scheme, when carrying out the fixed of pipe fitting, rotatory second threaded rod extrudees first slider through second threaded rod and slides along first cavity inside wall for first slider stretches into inside being convenient for of pipe fitting and fixes pipe fitting, accomplishes the cutting back when pipe fitting, and the reverse rotation second threaded rod, first slider backsliding under the spring action of third spring makes first slider take off from pipe fitting is inside, the taking off of pipe fitting of being convenient for.
Preferably, a rubber pad is fixedly connected to the side wall of the top block, which is far away from the third sliding block.
Through adopting above-mentioned technical scheme, the setting up of rubber pad has increased the frictional force between kicking block and the pipe spare inside wall, plays the additional action to the fixed of pipe spare, helps maintaining the stability of pipe spare in the cutting process.
Preferably, a rectangular shell is fixedly connected to the top of the base; a pressing block is connected inside the rectangular shell in a sliding manner; the top of the pressing block is provided with a cambered surface, and the bottom of the pressing block is connected with the inner side wall of the bottom end of the rectangular shell through a fourth spring; an air bag is arranged inside the rectangular shell; the bottom of the pressing block is in contact with the air bag; a cam matched with the cambered surface is fixedly connected to the end part of the first rotating shaft far away from the motor; the top of the base is fixedly connected with a bracket; the top of the bracket is fixedly connected with a vent pipe; two ends of the vent pipe are closed, and an air nozzle is fixedly connected to the side wall of the vent pipe; the air nozzle is communicated with the interior of the breather pipe; the air bag is communicated with the inside of the vent pipe through an air conveying pipe.
By adopting the technical scheme, in the rotating process of the first rotating shaft driven by the motor, the cam is gradually close to the pressing block, under the matching of the cam and the cambered surface, the cam pushes the pressing block to slide along the inner side wall of the rectangular shell and compress the fourth spring, the pressing block extrudes the air bag in the sliding process, so that the gas in the air bag is conveyed to the vent pipe through the gas conveying pipe and then is sprayed out by the gas nozzle, and the gas sprayed out by the gas nozzle sprays the cutting position of the circular pipe piece, so that chips generated in the cutting process are not easy to adhere to the cutting position; when the cam loses contact with the pressing block, the pressing block slides back under the elastic force action of the fourth spring, so that the cam can extrude the pressing block again, and the air nozzle can perform repeated blowing work on the cutting position.
Preferably, the bottom of the top plate is fixedly connected with a water delivery pipe; the end part of the water delivery pipe far away from the top plate is fixedly connected with a water spray nozzle; the water spray nozzle is communicated with the inside of the water delivery pipe; a water pump is fixedly connected to the top of the top plate; the bottom of the base is fixedly connected with a water containing shell; the input end of the water pump is fixedly connected with a water inlet pipe, and the output end of the water pump is fixedly connected with a water outlet pipe; the water inlet pipe is communicated with the interior of the water containing shell; the water outlet pipe is wound outside the laser generator and communicated with the inside of the water delivery pipe.
Through adopting above-mentioned technical scheme, start the coolant liquid of water pump in with flourishing water shell and carry to the outlet pipe by the inlet tube, cool down laser generator through the coolant liquid in the outlet pipe, make the laser generator head be difficult for overheated, the coolant liquid in the outlet pipe gets into the raceway after cooling laser generator, the coolant liquid in the raceway is sprayed the cutting position department at pipe spare by the water jet, thereby realize the cooling to pipe spare, make pipe spare surface temperature be difficult for too high.
Preferably, the top of the base is provided with a water leakage port; the water leakage port is communicated with the interior of the water containing shell; and a filter screen is fixedly connected to the inner side wall of the water containing shell.
Through adopting above-mentioned technical scheme, water jet spun coolant liquid is from pipe spare surface drippage after cooling down to pipe spare, and the coolant liquid through the mouth that leaks collects in flourishing water shell after the filter screen filters for coolant liquid can used repeatedly, has practiced thrift the resource.
Preferably, the outer side wall of the water containing shell is fixedly connected with a water replenishing pipe, and the bottom of the water containing shell is fixedly connected with a drain pipe; the water replenishing pipe is communicated with the interior of the water containing shell; the drain pipe is communicated with the inside of the water containing shell, and a valve is arranged on the drain pipe.
Through adopting above-mentioned technical scheme, when the coolant liquid in the flourishing water shell of needs replacement, open the valve and make the coolant liquid discharge through the drain pipe, the rethread moisturizing pipe replenishes the coolant liquid in to flourishing water shell.
Preferably, the outer side wall of the water containing shell is fixedly connected with a semiconductor refrigeration piece.
Through adopting above-mentioned technical scheme, when the coolant liquid is carrying out long-term cooling work back coolant liquid's temperature rise, carry out cooling through the semiconductor refrigeration piece to the coolant liquid that holds the inside of flourishing water shell, and then reduce the number of times of changing the coolant liquid in the flourishing water shell.
The processing method of the ultrafast laser precision processing device is suitable for the ultrafast laser precision processing device and comprises the following specific steps:
s1: fixing the round pipe fitting: the second sliding block extends into the two ends of the round pipe fitting, and the inner side wall of the round pipe fitting is abutted through the jacking block, so that the round pipe fitting and the cylindrical block are kept relatively static;
s2: cutting the round pipe fitting: the laser generator is used for carrying out laser cutting on the circular pipe fitting, and the motor is started to drive the circular pipe fitting to rotate, so that the cutting operation of the circular circumference of the circular pipe fitting is realized;
s3: cooling the round pipe fitting: in the laser cutting process, a water pump is started to spray cooling liquid in a water containing shell to the cutting position of the round pipe fitting, so that the surface temperature of the round pipe fitting is reduced;
s4: taking off the round pipe fitting: and taking out the round pipe fitting from the outside of the second sliding block after the round pipe fitting is cut.
In summary, the present application has the following beneficial effects:
1. rotating the second threaded rod to extrude the first sliding block to slide, so that the first sliding block extends into the circular pipe fitting, then rotating the first threaded rod to extrude the second sliding block to slide, under the cooperation of a circular angle and an inclined plane, the second sliding block extrudes the third sliding block to slide, so that the jacking block abuts against the inner side wall of the circular pipe fitting, further the circular pipe fitting and the first sliding block are kept relatively static, starting the laser generator to cut the circular pipe fitting, then driving the first rotating shaft and the second straight gear to rotate through the motor, driving the first straight gear and the cylindrical block to rotate through the second straight gear, driving the first sliding block and the circular pipe fitting to synchronously rotate through the cylindrical block, and further realizing the cutting work of the laser generator to the circumferential direction of the circular pipe fitting;
2. the first rotating shaft drives the cam to rotate in the rotating process, the cam pushes the pressing block to slide downwards to extrude the air bag and compress the fourth spring in the matching of the cam and the cambered surface, gas in the air bag after being pressed is sprayed out through the air nozzle, and the cutting position of the round pipe piece is sprayed through the gas sprayed out through the air nozzle, so that chips generated in the cutting process are not easy to adhere to the cutting position;
3. start the coolant liquid of water pump in with flourishing water shell by the inlet tube and carry to the outlet pipe in cutting process, coolant liquid through in the outlet pipe cools down laser generator, make the laser generator head be difficult for overheated, coolant liquid in the outlet pipe is spraying the cutting position department at pipe spare by the water spout of water delivery pipe tip after cooling laser generator, the realization is to the cooling of pipe spare, make pipe spare difficult too high at the laser cutting process temperature, the possibility of being scalded when reducing the staff and taking off the pipe spare.
Drawings
FIG. 1 is a schematic structural view of an ultrafast laser precision machining apparatus;
FIG. 2 is a schematic view of the cooperative arrangement of the support plate, cylindrical block and clamping mechanism of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic view of the cam and pressing block arrangement of the present application;
fig. 5 is a schematic structural diagram of the water containing shell, the filter screen and the semiconductor refrigerating sheet in the application.
Description of reference numerals: 1. a base; 11. a support bar; 12. a top plate; 13. a water delivery pipe; 14. a water spray nozzle; 15. a water pump; 151. a water inlet pipe; 152. a water outlet pipe; 16. a water containing shell; 161. a filter screen; 162. a water replenishing pipe; 163. a drain pipe; 164. a valve; 165. a semiconductor refrigeration sheet; 17. a water leakage port; 2. a laser generator; 3. a support plate; 31. a motor; 32. a first rotating shaft; 33. a second spur gear; 34. a cam; 4. a cylindrical block; 41. a first straight gear; 42. a first cavity; 43. a first slider; 44. a second cavity; 45. an elastic member; 451. a third spring; 46. a first threaded hole; 47. a first chute; 48. a through hole; 49. a second threaded hole; 491. a second threaded rod; 5. a clamping mechanism; 51. a second slider; 511. round corners; 52. a third slider; 521. a bevel; 53. a top block; 54. a first spring; 55. a first threaded rod; 56. a second spring; 57. a rubber pad; 6. a rectangular shell; 61. briquetting; 611. a cambered surface; 62. a fourth spring; 63. an air bag; 64. a support; 65. a breather pipe; 66. an air nozzle; 67. a gas delivery pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that, as used in the following description, the terms "front," "rear," "left," "right," "upper," "lower," "bottom" and "top" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The invention discloses an ultrafast laser precision machining device, which comprises a base 1, wherein a pair of supporting plates 3 is fixedly connected to the top of the base 1, as shown in figures 1 and 2; the inner side walls of the pair of supporting plates 3 are rotatably connected with cylindrical blocks 4; a first cavity 42 is arranged inside the cylindrical block 4; a first sliding block 43 is connected inside the first cavity 42 in a sliding manner; a pair of second threaded holes 49 communicated with the first cavity 42 are formed in the side wall, away from the first straight gear 41, of the cylindrical block 4; a second threaded rod 491 is connected with the pair of second threaded holes 49 through internal threads; the end of the second threaded rod 491 contacts with the side wall of the first slide block 43; an elastic member 45 for driving the first slider 43 to slide is arranged in the first cavity 42, and the elastic member 45 comprises a pair of third springs 451; one end of a pair of third springs 451 is fixed on the side wall of the second threaded rod 491 contacted with the first slider 43, the other end of the third springs 451 is fixed on the inner side wall of the first cavity 42, and the third springs 451 are arranged outside the second threaded rod 491.
Before cutting, the round pipe is placed between the two first sliding blocks 43, the second threaded rod 491 is rotated, the second threaded rod 491 extrudes the first sliding blocks 43 to slide and stretches the third spring 451, so that the first sliding blocks 43 extend into the round pipe to fix the round pipe conveniently; after the round pipe is cut, the second threaded rod 491 is rotated reversely, the first sliding block 43 slides back under the action of the elastic force of the third spring 451, so that the first sliding block 43 is pulled out from the inside of the round pipe, and the round pipe can be taken down conveniently.
As shown in fig. 2 and 3, the side walls of the pair of cylindrical blocks 4 far away from the first straight gear 41 are provided with first threaded holes 46 communicated with the first cavity 42; a second cavity 44 is arranged inside the first sliding block 43; a group of first sliding grooves 47 are formed in the inner side wall of the second cavity 44; the first sliding grooves 47 are respectively located on the peripheral side walls of the first sliding block 43. A clamping mechanism 5 for fixing the circular pipe is arranged in the second cavity 44; the clamping mechanism 5 comprises a second slide block 51, a set of third slide blocks 52 and a first threaded rod 55; the second slide block 51 is connected inside the second cavity 44 in a sliding manner, the group of third slide blocks 52 are respectively connected inside the group of first slide grooves 47 in a sliding manner, the side wall of the third slide block 52 close to the second slide block 51 is provided with an inclined surface 521, and the end part of the third slide block 52 far away from the inclined surface 521 is fixedly connected with a top block 53; a first spring 54 is fixedly connected to the side wall of the top block 53 close to the third slide block 52, the end part of the first spring 54 far away from the top block 53 is fixedly connected with the outer side wall of the first slide block 43, the first spring 54 is positioned outside the third slide block 52, and a rubber pad 57 is fixedly connected to the side wall of the top block 53 far away from the third slide block 52; the side wall of the second sliding block 51 close to the inclined plane 521 is provided with a round angle 511; the side wall of the second cavity 44 far away from the round corner 511 is provided with a through hole 48 communicated with the first cavity 42; the first threaded rod 55 is rotatably connected in the first threaded hole 46, the end part of the first threaded rod 55 passes through the through hole 48 to be in contact with the side wall of the second slide block 51 far away from the fillet 511, and the side wall of the third slide block 52 far away from the first threaded rod 55 is fixedly connected with a second spring 56; the end of the second spring 56 remote from the second slider 51 is in contact with the inner side wall of the second cavity 44.
When the round pipe is fixed, the first threaded rod 55 is rotated, so that the first threaded rod 55 extrudes the second slide block 51 to slide, under the matching work of the round corner 511 and the inclined plane 521, the second slide block 51 extrudes the third slide block 52 to slide outwards along the first slide groove 47, and the third slide block 52 drives the jacking block 53 to abut against the inner side wall of the round pipe, so that the round pipe and the first slide block 43 are kept relatively static; rubber pad 57's setting has increased the frictional force between kicking block 53 and the pipe spare inside wall for the fixed effect of kicking block 53 is better, when the completion is to the cutting work of pipe spare, first threaded rod 55 of antiport, second slider 51 is slided back under the spring action of second spring 56, kicking block 53 drives third slider 52 and slides back at the spring action of first spring 54, and then makes kicking block 53 lose the tight effect of support to pipe spare inside wall, the staff of being convenient for takes off the pipe spare.
As shown in fig. 1 and 2, a group of support rods 11 is fixedly connected to the top of the base 1, the group of support rods 11 are respectively located at four corners of the base 1, and a top plate 12 is fixedly connected to the top of each support rod; the bottom of the top plate 12 is provided with a laser generator 2, the outer side walls of the pair of cylindrical blocks 4 are fixedly connected with a first straight gear 41, and the side wall of the supporting plate 3 is provided with a motor 31; the output end of the motor 31 is fixedly connected with a first rotating shaft 32; a pair of second spur gears 33 meshing with the first spur gear 41 are fixed to the outer side wall of the first rotary shaft 32 near the first spur gear 41.
After fixing is accomplished to pipe spare, carry out laser cutting work to pipe spare through laser generator 2 transmission laser, at cutting in-process starter motor 31, motor 31 drives first pivot 32 and first straight-tooth gear 41 and rotates, and first straight-tooth gear 41 drives second straight-tooth gear 33 and cylinder piece 4 and rotates, and then makes cylinder piece 4 drive pipe spare rotate for the laser of laser generator 2 transmission carries out the cutting work of circumference to pipe spare.
As shown in fig. 1 and 4, a rectangular shell 6 is fixedly connected to the top of the base 1; a pressing block 61 is connected inside the rectangular shell 6 in a sliding manner; the top of the pressing block 61 is provided with an arc surface 611, the bottom of the pressing block 61 is fixedly connected with a pair of fourth springs 62, and the end parts of the fourth springs 62 far away from the pressing block 61 are fixedly connected with the inner side wall of the bottom end of the rectangular shell 6; an air bag 63 is arranged inside the rectangular shell 6; the bottom of the pressing block 61 is in contact with the air bag 63; the end of the first rotating shaft 32 far away from the motor 31 is fixedly connected with a cam 34 matched with the cambered surface 611; the top of the base 1 is fixedly connected with a bracket 64; the top of the bracket 64 is fixedly connected with a vent pipe 65 with two closed ends; an air nozzle 66 is fixedly connected to the side wall of the air pipe 65; the air nozzle 66 is communicated with the interior of the breather pipe 65, and the air nozzle 66 is obliquely arranged; the side wall of the vent pipe 65 is fixedly connected with a gas pipe 67 communicated with the interior of the vent pipe 65; the end of the air pipe 67 far away from the vent pipe 65 is communicated with the inside of the air bag 63.
The motor 31 drives the first rotating shaft 32 to rotate and drives the cam 34 to rotate, under the coordination of the cam 34 and the arc surface 611, the cam 34 pushes the pressing block 61 to slide downwards to extrude the air bag 63 and compress the fourth spring 62, air in the air bag 63 is conveyed to the vent pipe 65 through the air conveying pipe 67 and then is ejected out of the air nozzle 66, and the air ejected by the air nozzle 66 blows the cutting position of the round pipe piece, so that chips generated in the cutting process are not easy to adhere to the cutting position; when the cam 34 loses contact with the pressing block 61, the pressing block 61 slides back under the elastic force of the fourth spring 62, so that the cam 34 can extrude the pressing block 61 again, and the air nozzle 66 can perform repeated blowing work on the cutting position.
As shown in fig. 1, a water containing shell 16 is fixedly connected to the bottom of the base 1; the bottom of the top plate 12 is fixedly connected with a water delivery pipe 13; the end part of the water delivery pipe 13 far away from the top plate 12 is fixedly connected with a water nozzle 14; the water spray nozzle 14 is communicated with the inside of the water delivery pipe 13, and the water spray nozzle 14 is obliquely arranged; the top of the top plate 12 is fixedly connected with a water pump 15; the input end of the water pump 15 is fixedly connected with a water inlet pipe 151, and the output end of the water pump 15 is fixedly connected with a water outlet pipe 152; the end part of the water inlet pipe 151 far away from the water pump 15 is fixedly connected to the outer side wall of the water containing shell 16, and the water inlet pipe 151 is communicated with the inside of the water containing shell 16; the water outlet pipe 152 is wound outside the laser generator 2, the end part of the water outlet pipe 152 far away from the water pump 15 is fixedly connected to the outer side wall of the water delivery pipe 13, and the water outlet pipe 152 is communicated with the inside of the water delivery pipe 13.
When the round pipe piece is cut, the temperature of the cutting part of the round pipe piece rises, the water pump 15 is started to convey cooling liquid in the water containing shell 16 to the water outlet pipe 152 through the water inlet pipe 151, the cooling liquid in the water outlet pipe 152 cools the head of the laser generator 2 and then enters the water conveying pipe 13, and the cooling liquid in the water conveying pipe 13 is sprayed on the round pipe piece through the water spray nozzle 14 to cool the round pipe piece.
As shown in fig. 1 and 5, a water leakage port 17 is arranged at the top of the base 1; the water leakage port 17 is communicated with the interior of the water containing shell 16; a filter screen 161 is fixedly connected on the inner side wall of the water containing shell 16; the outer side wall of the water containing shell 16 is fixedly connected with a water supplementing pipe 162, and the bottom of the water containing shell 16 is fixedly connected with a water discharging pipe 163; the water replenishing pipe 162 is communicated with the interior of the water containing shell 16; the water drainage pipe 163 is communicated with the inside of the water containing shell 16, and a valve 164 is arranged on the water drainage pipe 163; the outer side wall of the water containing shell 16 is fixedly connected with a plurality of semiconductor refrigeration sheets 165.
The coolant liquid that drops from pipe surface drops falls on filter screen 161 behind the hole that leaks and filters, and the coolant liquid after the filtration collects in flourishing water shell 16, and the coolant liquid temperature rises after carrying out long-term cooling work, makes the coolant liquid discharge through drain pipe 163 through opening valve 164 to supply new coolant liquid in to flourishing water shell 16 by moisturizing pipe 162, semiconductor refrigeration piece 165 has and carries out the cooling effect to the inside coolant liquid of flourishing water shell 16, thereby reduces the number of times of changing the coolant liquid.
The processing method of the ultrafast laser precision processing device comprises the following specific steps of:
s1: fixing the round pipe fitting: the second sliding block 51 extends into the two ends of the circular pipe, and the inner side wall of the circular pipe is abutted through the top block 53, so that the circular pipe and the cylindrical block 4 keep relatively static;
s2: cutting the round pipe fitting: the laser generator 2 is used for carrying out laser cutting on the circular pipe, and the motor 31 is started to drive the circular pipe to rotate, so that the cutting work of the circular pipe in the circumferential direction is realized;
s3: cooling the round pipe fitting: in the laser cutting process, the water pump 15 is started to spray the cooling liquid in the water containing shell 16 to the cutting position of the round pipe fitting, so that the surface temperature of the round pipe fitting is reduced;
s4: taking off the round pipe fitting: after the round pipe is cut, the round pipe is taken out from the second slide block 51.
The working principle is as follows: placing a round pipe to be cut between the positions of the two first sliding blocks 43, rotating the second threaded rod 491, extruding the first sliding blocks 43 by the second threaded rod 491 to extend into the round pipe, then rotating the first threaded rod 55 to enable the second sliding blocks 51 to slide by the first threaded rod 55, under the matched work of the round corner 511 and the inclined plane 521, extruding the third sliding blocks 52 by the second sliding blocks 51 to slide outwards along the first sliding grooves 47, and pushing the top blocks 53 by the third sliding blocks 52 to tightly abut against the inner side wall of the round pipe, so that the round pipe and the first sliding blocks 43 are kept relatively static; the arrangement of the rubber pad 57 increases the friction force of the contact part of the top block 53 and the circular pipe, and improves the fixing effect of the top block 53 on the circular pipe; when the laser generator 2 is started to cut a circular pipe, the starting motor 31 drives the first rotating shaft 32 and the second straight gear 33 to rotate, and the second straight gear 33 drives the first straight gear 41 and the cylindrical block 4 to rotate, so that the cylindrical block 4 drives the first sliding block 43 and the circular pipe to synchronously rotate, and the cutting work of the laser generator 2 on the circumferential direction of the circular pipe is realized; the first rotating shaft 32 drives the cam 34 to rotate in the rotating process, the cam 34 pushes the pressing block 61 to slide downwards and compress the fourth spring 62 under the matching of the cam 34 and the cambered surface 611, the pressing block 61 extrudes the air bag 63 in the sliding process of the pressing block 61, air in the air bag 63 is ejected through the air nozzle 66, the ejected air blows the cutting position of the round pipe, so that chips generated in the cutting process are not easy to adhere to the cutting position, when the cam 34 and the pressing block 61 lose contact, the pressing block 61 slides back under the elastic force action of the fourth spring 62, the cam 34 is convenient to extrude the pressing block 61 again, and the air nozzle 66 conducts repeated blowing work on the cutting position; in the cutting process, the water pump 15 is started to convey the cooling liquid in the water containing shell 16 to the water outlet pipe 152 through the water inlet pipe 151, the laser generator 2 is cooled through the cooling liquid in the water outlet pipe 152, so that the head of the laser generator 2 is not overheated easily, the cooling liquid in the water outlet pipe 152 is sprayed to the cutting position of the circular pipe piece through the water spray nozzles 14 at the end parts of the water conveying pipes 13 after cooling the laser generator 2, the circular pipe piece is cooled, the temperature of the circular pipe piece is not too high easily in the laser cutting process, the cooling liquid sprayed out of the water spray nozzles 14 drips from the surface of the circular pipe piece after cooling the circular pipe piece, the dripped cooling liquid is filtered by the filter screen 161 and then is collected in the water containing shell 16, the cooling liquid can be reused, and resources are saved; after the cooling liquid is cooled for a long time, the temperature of the cooling liquid rises, the cooling liquid needs to be replaced in time for better cooling of the cooling liquid, the valve 164 is opened to discharge the cooling liquid through the drain pipe 163, and the water replenishing pipe 162 replenishes the cooling liquid into the water containing shell 16; the semiconductor refrigerating sheet 165 arranged outside the water containing shell 16 is used for cooling the cooling liquid contained inside the water containing shell 16, so that the frequency of replacing the cooling liquid is reduced; after the round pipe piece is cut, the first threaded rod 55 is rotated reversely, the second slider 51 slides back under the action of the elastic force of the second spring 56, the ejector block 53 drives the third slider 52 to slide back under the action of the elastic force of the first spring 54, so that the ejector block 53 loses the abutting effect on the inner side wall of the round pipe piece, then the second threaded rod 491 is rotated reversely, the first slider 43 slides back under the action of the elastic force of the third spring 451, the first slider 43 is pulled out from the inside of the round pipe piece, and the round pipe piece can be taken down by a worker conveniently.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. Ultrafast laser precision finishing device, its characterized in that: comprises a base (1); the top of the base (1) is fixedly connected with a supporting rod (11); the top of the supporting rod (11) is fixedly connected with a top plate (12); the bottom of the top plate (12) is provided with a laser generator (2); the top of the base (1) is fixedly connected with a pair of supporting plates (3); the inner side walls of the supporting plates (3) are rotatably connected with cylindrical blocks (4); a first straight gear (41) is fixedly connected to the outer side wall of the cylindrical block (4), and a first cavity (42) is formed in the cylindrical block (4); a motor (31) is arranged on the side wall of the supporting plate (3); the output end of the motor (31) is fixedly connected with a first rotating shaft (32); a pair of second straight gears (33) meshed with the first straight gear (41) is fixedly connected to the outer side wall, close to the first straight gear (41), of the first rotating shaft (32); a first sliding block (43) is connected inside the first cavity (42) in a sliding manner; a second cavity (44) is arranged in the first sliding block (43); a clamping mechanism (5) for fixing the round pipe is arranged in the second cavity (44); an elastic piece (45) driving the first sliding block (43) to slide is arranged in the first cavity (42).
2. The ultrafast laser precision machining apparatus of claim 1, wherein: a first threaded hole (46) is formed in the side wall, away from the first straight gear (41), of the cylindrical block (4); the first threaded bore (46) communicates with the first cavity (42); the clamping mechanism (5) comprises a second slider (51); the second sliding block (51) is connected in the second cavity (44) in a sliding mode; a group of first sliding grooves (47) are formed in the inner side wall of the second cavity (44); a third sliding block (52) is connected inside the first sliding groove (47) in a sliding manner; the side wall of the third sliding block (52) close to the second sliding block (51) is provided with an inclined surface (521), and the end part of the third sliding block (52) far away from the inclined surface (521) is fixedly connected with a top block (53); the side wall of the top block (53) close to the third sliding block (52) is connected with the outer side wall of the first sliding block (43) through a first spring (54); a round corner (511) matched with the inclined plane (521) is arranged on the side wall, close to the inclined plane (521), of the second sliding block (51); a first threaded rod (55) is connected with the first threaded hole (46) in an internal thread mode; a through hole (48) is formed in the side wall, close to the second threaded rod (491), of the second cavity (44); the through hole (48) is communicated with the interior of the first cavity (42); the end part of the first threaded rod (55) penetrates through the through hole (48) to be in contact with the side wall, far away from the fillet (511), of the third sliding block (52); the side wall of the third sliding block (52) far away from the first threaded rod (55) is connected with the inner side wall of the second cavity (44) through a second spring (56).
3. The ultrafast laser precision machining apparatus according to claim 2, wherein: a second threaded hole (49) is formed in the side wall of the cylindrical block (4) on the same side as the first threaded hole (46); the second threaded hole (49) is communicated with the first cavity (42), and a second threaded rod (491) is connected with the second threaded hole (49) in an internal thread manner; the end part of the second threaded rod (491) close to the first sliding block (43) is contacted with the side wall of the first sliding block (43); the elastic member (45) includes a third spring (451); the third spring (451) is arranged on the side wall of the first sliding block (43) contacted with the second threaded rod (491), and the end part of the third spring (451) far away from the first sliding block (43) is connected with the inner side wall of the first cavity (42).
4. The ultrafast laser precision machining apparatus according to claim 2, wherein: and a rubber pad (57) is fixedly connected to the side wall of the top block (53) far away from the third sliding block (52).
5. The ultrafast laser precision machining apparatus according to claim 2, wherein: a rectangular shell (6) is fixedly connected to the top of the base (1); a pressing block (61) is connected inside the rectangular shell (6) in a sliding manner; the top of the pressing block (61) is provided with an arc surface (611), and the bottom of the pressing block (61) is connected with the inner side wall of the bottom end of the rectangular shell (6) through a fourth spring (62); an air bag (63) is arranged in the rectangular shell (6); the bottom of the pressing block (61) is in contact with the air bag (63); a cam (34) matched with the cambered surface (611) is fixedly connected to the end part, far away from the motor (31), of the first rotating shaft (32); a bracket (64) is fixedly connected to the top of the base (1); the top of the bracket (64) is fixedly connected with a vent pipe (65); two ends of the vent pipe (65) are closed, and an air nozzle (66) is fixedly connected to the side wall of the vent pipe (65); the air nozzle (66) is communicated with the interior of the breather pipe (65); the air bag (63) is communicated with the interior of the vent pipe (65) through an air conveying pipe (67).
6. The ultrafast laser precision machining apparatus according to claim 1, wherein: a water delivery pipe (13) is fixedly connected to the bottom of the top plate (12); a water nozzle (14) is fixedly connected to the end part of the water delivery pipe (13) far away from the top plate (12); the water spray nozzle (14) is communicated with the inside of the water delivery pipe (13); a water pump (15) is fixedly connected to the top of the top plate (12); a water containing shell (16) is fixedly connected to the bottom of the base (1); the input end of the water pump (15) is fixedly connected with a water inlet pipe (151), and the output end of the water pump (15) is fixedly connected with a water outlet pipe (152); the water inlet pipe (151) is communicated with the interior of the water containing shell (16); the water outlet pipe (152) is wound outside the laser generator (2), and the water outlet pipe (152) is communicated with the inside of the water delivery pipe (13).
7. The ultrafast laser precision machining apparatus of claim 6, wherein: a water leakage port (17) is formed in the top of the base (1); the water leakage port (17) is communicated with the interior of the water containing shell (16); and a filter screen (161) is fixedly connected on the inner side wall of the water containing shell (16).
8. The ultrafast laser precision machining apparatus according to claim 6, wherein: the outer side wall of the water containing shell (16) is fixedly connected with a water replenishing pipe (162), and the bottom of the water containing shell (16) is fixedly connected with a water discharging pipe (163); the water replenishing pipe (162) is communicated with the inside of the water containing shell (16); the water drainage pipe (163) is communicated with the interior of the water containing shell (16), and a valve (164) is arranged on the water drainage pipe (163).
9. The ultrafast laser precision machining apparatus of claim 8, wherein: the outer side wall of the water containing shell (16) is fixedly connected with a semiconductor refrigeration sheet (165).
10. A machining method of an ultrafast laser precision machining apparatus, which is applied to the ultrafast laser precision machining apparatus according to any one of claims 1 to 9, characterized in that: the method comprises the following specific steps:
s1: fixing the round pipe fitting: the second sliding block (51) extends into the two ends of the circular pipe, and the inner side wall of the circular pipe is abutted through the top block (53), so that the circular pipe and the cylindrical block (4) keep relatively static;
s2: cutting the round pipe fitting: the laser generator (2) is used for carrying out laser cutting on the circular pipe, and the motor (31) is started to drive the circular pipe to rotate, so that the cutting operation of the circular pipe in the circumferential direction is realized;
s3: cooling the round pipe fitting: in the laser cutting process, a water pump (15) is started to spray cooling liquid in a water containing shell (16) at the cutting position of the round pipe fitting, so that the surface temperature of the round pipe fitting is reduced;
s4: taking off the round pipe fitting: and after the round pipe is cut, the round pipe is taken out from the second sliding block (51).
Priority Applications (1)
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| CN202210732330.4A CN115008029A (en) | 2022-06-27 | 2022-06-27 | Ultrafast laser precision machining device and machining method thereof |
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| CN202210732330.4A CN115008029A (en) | 2022-06-27 | 2022-06-27 | Ultrafast laser precision machining device and machining method thereof |
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