CN113909708A - Laser cutting machine adopting integrated lathe bed structure and using method thereof - Google Patents
Laser cutting machine adopting integrated lathe bed structure and using method thereof Download PDFInfo
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- CN113909708A CN113909708A CN202111280862.0A CN202111280862A CN113909708A CN 113909708 A CN113909708 A CN 113909708A CN 202111280862 A CN202111280862 A CN 202111280862A CN 113909708 A CN113909708 A CN 113909708A
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- 238000003698 laser cutting Methods 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 51
- 239000000779 smoke Substances 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims description 55
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 20
- 239000001301 oxygen Substances 0.000 claims description 20
- 229910052760 oxygen Inorganic materials 0.000 claims description 20
- 238000005520 cutting process Methods 0.000 claims description 19
- 239000007921 spray Substances 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 210000003437 trachea Anatomy 0.000 claims 2
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization 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
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/16—Removal of by-products, e.g. particles or vapours produced during treatment of a workpiece
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses a laser cutting machine adopting an integrated lathe bed structure and a using method thereof, in particular to the technical field of laser cutting, a high-pressure gas cylinder, a rotating blade, a connecting shaft, a second gear, a first gear, a rotating plate, a spiral air hole, a connecting pump assembly and a collecting box are adopted, the connecting pump assembly sucks gas through a dust suction head and discharges the gas downwards through the spiral air hole, the rotating spiral air hole enables the gas to be discharged downwards and form a continuous spiral shape at the same time, negative pressure is formed in the spiral air flow at the moment, smoke dust generated in the laser cutting process is quickly sucked to the surface of a spiral air wall, the smoke dust in the air outside the spiral air flow is also quickly sucked, the gas impacts the surface of a workpiece downwards and is sucked by the dust suction head, the quick collection of the gas containing the smoke dust is realized, the heat dissipation of the surface of the workpiece is accelerated, the smoke dust is reduced and is quickly separated from a laser emission area, the smoke dust in the laser cutting process is more reasonably treated.
Description
Technical Field
The invention relates to the technical field of laser cutting, in particular to a laser cutting machine adopting an integrated lathe bed structure and a using method thereof.
Background
The laser cutting is to irradiate the material to be cut with high-power-density laser beam to heat the material to vaporization temperature quickly and evaporate the material to form holes, the holes continuously form slits with narrow width along with the movement of the material by the light beam to complete the cutting of the material, the laser cutting is to irradiate a workpiece with focused high-power-density laser beam to rapidly melt, vaporize and ablate the irradiated material or reach a burning point, and simultaneously, the melted material is blown off by high-speed airflow coaxial with the light beam, thereby realizing the cutting of the workpiece. The laser cutting machine has the characteristics of high precision, fast cutting and good effect, and can gradually replace part of the traditional cutting process equipment.
The existing laser cutting machine is easy to cause smoke dust due to melting at the contact position of laser and a workpiece in the laser cutting process, even the smoke dust is easily absorbed by personnel or the smoke dust is gathered at the laser emission path to cause influence, meanwhile, gas injection in the laser cutting process is mostly carried out on one side, the two sides of a workpiece to be machined cannot be simultaneously contacted with gas, the heat dissipation and the cutting effect in the cutting process are easily influenced, and therefore the laser cutting machine adopting an integrated lathe bed structure and the using method thereof are needed to solve the problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a laser cutting machine adopting an integrated lathe bed structure and a using method thereof, and the invention aims to solve the technical problems that: the smoke and dust appears owing to melting easily in laser cutting in-process laser and work piece contact position in current laser cutting machine, and the smoke and dust is absorbed easily by personnel or the smoke and dust gathering causes the influence in laser emission route department even, and the gas injection of laser cutting in-process is many that the unilateral goes on simultaneously, treats that the machined part both sides can't accomplish simultaneously with gaseous contact, appears the problem of influence easily to the heat dissipation of cutting process and cutting effect.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adopt laser cutting machine of integral type lathe bed structure, includes the underframe, two movable chutes have all been seted up to the left and right sides face of underframe inner wall, the movable chute inner wall is provided with the lead screw, the surface of lead screw and the inner wall threaded connection of screw cap, the screw cap sets up the back at the movable block, the lower surface of movable block is provided with the cleaning brush, the upper surface of underframe and the lower surface overlap joint of removal support, the lower surface of removal support and the last fixed surface of connecting cylinder are connected, the lower surface of connecting cylinder is provided with first bearing, the inner wall of first bearing is provided with the roating seat, the surface of roating seat and the inner wall fixed connection of first gear.
The right flank of first gear and the left surface meshing of second gear, the upper surface of second gear and the bottom fixed connection of connecting axle, the outer fixed surface of roating seat inner wall and rotor plate is connected, the lower surface of moving movable support is provided with the laser head, the surface of laser head and the inner wall fixed connection of fixed plate, the upper surface joint of fixed plate has the second shower nozzle, the upper surface of second shower nozzle is linked together with the one end of first connecting pipe.
The other end of the first connecting pipe is communicated with the upper surface of the protective box, the right side surface of the protective box is communicated with the left end of the second connecting pipe, the other end of the second connecting pipe is communicated with the lower surface of the high-pressure gas cylinder, the left side surface of the high-pressure gas cylinder is fixedly connected with the right side surface of the movable support, the left side surface of the connecting cylinder is communicated with one end of the first gas pipe, the other end of the first gas pipe is communicated with the left side surface of the connecting pump assembly, the right side surface of the connecting pump assembly is communicated with the left side surface of the collecting box, and the right side surface of the collecting box is fixedly connected with the left side surface of the movable support.
As a further scheme of the invention: the outer fixed surface of underframe inner wall and backup pad is connected, the upper surface of backup pad is provided with first shower nozzle, both sides around the lead screw one end that backs on the back all is provided with drive assembly, drive assembly sets up the front at the underframe.
As a further scheme of the invention: the outer surface of the moving block is in lap joint with the inner wall of the moving groove, the upper surface of the bottom frame is provided with two sliding rails, the inner walls of the sliding rails are provided with guide blocks, and the upper surfaces of the guide blocks are fixedly connected with the lower surface of the moving support.
As a further scheme of the invention: the left and right sides face of underframe inner wall all is provided with three dust absorption head, the dust absorption head is located the upside of backup pad, the length of clearance brush is corresponding with the length of backup pad, six the lower surface and the tracheal one end of same second of dust absorption head are linked together, the tracheal other end of second is linked together with the upper surface of collecting box.
As a further scheme of the invention: the outer surface of the connecting shaft is provided with a third bearing, the third bearing is arranged on the lower surface of the inner wall of the protective box, the outer surface of the connecting shaft is provided with a rotating blade, and the position of the rotating blade corresponds to that of the second connecting pipe.
As a further scheme of the invention: the outer surface of the fixing plate is provided with a second bearing, the second bearing is arranged on the outer surface of the rotating plate, a plurality of spiral air holes are formed in the upper surface of the rotating plate, and the spiral air holes are annularly and uniformly formed in the outer side of the laser head.
As a further scheme of the invention: the upper surface of guard box and the lower surface fixed connection of riser, the upper surface of riser and the lower surface fixed connection of moving support.
A use method of a laser cutting machine adopting an integrated lathe bed structure comprises the following steps:
s1, a workpiece to be machined is directly placed on the surface of a supporting plate, a laser head is controlled to work, a high-pressure gas cylinder is started and controls a connecting pump assembly to work, the high-pressure gas cylinder enables oxygen to enter a second nozzle through a first connecting pipe protective box and a second connecting pipe when the laser head machines the workpiece, the high-pressure oxygen sprayed by the second nozzle impacts a laser cutting position, the second nozzle simultaneously sprays oxygen to blow at the cutting position, the high-pressure oxygen directly impacts the surface of a rotating blade when entering the protective box, and the rotating blade drives a connecting shaft and a second gear to rotate;
s2, driving the first gear and the rotary seat to rotate by the second gear, simultaneously connecting the pump assembly to suck smoke and dust on the surface of the support plate through the dust suction head, blowing the gas downwards through the connecting cylinder and the spiral air holes, forming continuous spiral airflow by the gas blown downwards through the spiral air holes while the rotary seat and the rotary plate rotate, forming a negative pressure environment inside the airflow, and sucking smoke dust generated in the laser cutting process to the surface of the air wall;
s3, smoke dust in the air outside the spiral airflow is sucked into the air wall and downwards sucked into the collection box by the dust suction head, after the workpiece is machined, the connecting pump assembly is controlled to stop working and the high-pressure gas cylinder is closed, the workpiece is taken down and then the driving assembly is controlled to work, the driving assembly drives the screw rod to rotate, and meanwhile the moving block and the cleaning brush are controlled to move by the aid of threads between the screw cap and the screw rod to clean chips on the surface of the support plate.
The invention has the beneficial effects that:
1. the invention adopts a high-pressure gas cylinder, a rotating blade, a connecting shaft, a second gear, a first gear, a rotating seat, a rotating plate, a spiral air hole, a connecting pump assembly and a collecting box, wherein the rotating blade and the second gear are blown to rotate while gas in the high-pressure gas cylinder is discharged, at the same time, the second gear drives the first gear and the rotating plate to rotate, the connecting pump assembly sucks the gas through a dust suction head and discharges the gas downwards through the spiral air hole, the gas is discharged downwards and forms a continuous spiral shape at the same time through the spiral air hole, negative pressure is formed in the spiral gas flow at the same time, smoke dust generated in the laser cutting process is quickly extracted to the surface of a spiral gas wall, the smoke dust in the air outside the spiral gas flow is also quickly sucked, the gas impacts downwards on the surface of a workpiece and then is extracted by the dust suction head, so that the quick collection of the gas containing the smoke dust is realized, and the heat loss on the surface of the workpiece is accelerated, the smoke dust is rapidly separated from the laser emission area while the overflow and scattering of the smoke dust are reduced, so that the smoke dust is more reasonably treated in the laser cutting process;
2. according to the invention, the high-pressure gas cylinders, the first connecting pipes, the second spray heads and the first spray heads are arranged, the first spray heads are provided with a plurality of first spray heads, the electromagnetic valves are arranged on the surfaces of the first spray heads, oxygen sprayed out from the first spray heads at corresponding positions can be controlled in time according to the laser cutting positions to be blown at the laser cutting positions, the second spray heads can directly spray oxygen, so that the upper side and the lower side of the cutting positions of a workpiece are simultaneously impacted by the oxygen, the slag is simply cleaned while the heat dissipation effect of the cutting positions is ensured, the oxygen is used for supporting combustion in the cutting process, and the reaction cutting effect with materials is more ideal.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a mobile stand according to the present invention;
FIG. 3 is a schematic left-view perspective structure of the present invention;
FIG. 4 is a perspective view of the connector of the present invention;
FIG. 5 is a schematic bottom perspective view of the first gear of the present invention;
FIG. 6 is a perspective view of the rotating plate according to the present invention;
FIG. 7 is a perspective view of the protective case of the present invention;
FIG. 8 is a perspective view of a second gear of the present invention;
in the figure: 1. a bottom frame; 2. a support plate; 3. a first nozzle; 4. a slide rail; 5. a guide block; 6. moving the support; 7. a movable groove; 8. a moving block; 9. a threaded cap; 10. a screw rod; 11. cleaning a brush; 12. a drive assembly; 13. a connecting cylinder; 14. a first air pipe; 15. connecting a pump assembly; 16. a collection box; 17. a second air pipe; 18. a dust collection head; 19. a first bearing; 20. a rotating base; 21. a first gear; 22. a second gear; 23. a rotating plate; 24. a second bearing; 25. a fixing plate; 26. a laser head; 27. a second nozzle; 28. a first connecting pipe; 29. a protective box; 30. a vertical plate; 31. a second connecting pipe; 32. a high pressure gas cylinder; 33. a connecting shaft; 34. a third bearing; 35. rotating the leaf; 36. a spiral air hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-8, the invention provides a laser cutting machine adopting an integrated lathe bed structure, which comprises a bottom frame 1, two movable grooves 7 are respectively arranged on the left side surface and the right side surface of the inner wall of the bottom frame 1, a screw rod 10 is arranged on the inner wall of each movable groove 7, a driving component 12 and a cleaning brush 11 are arranged on the inner wall of each movable groove 7, the driving component 12 drives the screw rod 10 to rotate, simultaneously, the movable block 8 and the cleaning brush 11 can be controlled to move back and forth under the action of screw threads between the screw rod 10 and the screw cap 9, the cleaning of the surface of a supporting plate 2 by the cleaning brush 11 is convenient to realize, the outer surface of the screw rod 10 is in threaded connection with the inner wall of the screw cap 9, the screw cap 9 is arranged on the back surface of the movable block 8, the cleaning brush 11 is arranged on the lower surface of the movable block 8, the upper surface of the bottom frame 1 is lapped with the lower surface of a movable support 6, and the lower surface of the movable support 6 is fixedly connected with the upper surface of a connecting cylinder 13, the lower surface of the connecting cylinder 13 is provided with a first bearing 19, the inner wall of the first bearing 19 is provided with a rotating base 20, through the arrangement of the first bearing 19, the first bearing 19 can support the rotating base 20, the rotating base 20 and the rotating plate 23 can be ensured to smoothly rotate, and the outer surface of the rotating base 20 is fixedly connected with the inner wall of the first gear 21.
The right side surface of the first gear 21 is meshed with the left side surface of the second gear 22, the first gear 21 and the second gear 22 are arranged, the second gear 22 drives the first gear 21 and the rotary base 20 to rotate while rotating, so that the rotating plate 23 can rotate and air flow can smoothly flow downwards through the spiral air hole 36, the upper surface of the second gear 22 is fixedly connected with the bottom end of the connecting shaft 33, the inner wall of the rotary base 20 is fixedly connected with the outer surface of the rotating plate 23, the lower surface of the movable support 6 is provided with a laser head 26, through setting up fixed plate 25 and second bearing 24, second bearing 24 realizes the support to fixed plate 25, guarantees that fixed plate 25 guarantees the leakproofness between rotor plate 23 and the laser head 26 when stably placing, and the surface of laser head 26 and the inner wall fixed connection of fixed plate 25, the upper surface joint of fixed plate 25 has second shower nozzle 27, and the upper surface of second shower nozzle 27 is linked together with the one end of first connecting pipe 28.
The other end of the first connecting pipe 28 is communicated with the upper surface of the protective box 29, the right side surface of the protective box 29 is communicated with the left end of the second connecting pipe 31, the other end of the second connecting pipe 31 is communicated with the lower surface of the high-pressure gas cylinder 32, through the arrangement of the high-pressure gas cylinder 32 and the rotary blade 35, the high-pressure gas sprayed out of the high-pressure gas cylinder 32 can be blocked by the rotary blade 35, the condition that the high-pressure gas has an excessively high speed is avoided, meanwhile, the rotary blade 35 rotates to automatically drive the rotary plate 23 to rotate by using the impact of the high-pressure gas, the left side surface of the high-pressure gas cylinder 32 is fixedly connected with the right side surface of the movable bracket 6, the left side surface of the connecting cylinder 13 is communicated with one end of the first gas pipe 14, the other end of the first gas pipe 14 is communicated with the left side surface of the connecting pump assembly 15, and the collecting box 16 and the dust suction head 18 are arranged, the connecting pump assembly 15 extracts the gas containing the smoke dust into the collecting box 16 for filtering, the clean gas impacts the surface of the workpiece downwards along the rotating plate 23, the right side of the connecting pump assembly 15 is communicated with the left side of the collecting box 16, and the right side of the collecting box 16 is fixedly connected with the left side of the moving bracket 6.
As shown in fig. 1 and 2, the inner wall of the bottom frame 1 is fixedly connected with the outer surface of the support plate 2, the upper surface of the support plate 2 is provided with a first nozzle 3, the ends of the front and rear side screw rods 10, which are opposite to each other, are provided with a driving assembly 12, and the driving assembly 12 is arranged on the front surface of the bottom frame 1.
As shown in fig. 2, the outer surface of the moving block 8 is in lap joint with the inner wall of the moving groove 7, the upper surface of the bottom frame 1 is provided with two slide rails 4, the inner wall of each slide rail 4 is provided with a guide block 5, the front and back movement of the moving support 6 and the laser head 26 is facilitated by arranging the guide blocks 5 and the slide rails 4, and the upper surface of each guide block 5 is fixedly connected with the lower surface of the moving support 6.
As shown in fig. 2 and 3, three dust collection heads 18 are arranged on the left and right sides of the inner wall of the bottom frame 1, the dust collection heads 18 are positioned on the upper side of the support plate 2, the length of the cleaning brush 11 corresponds to that of the support plate 2, the lower surfaces of the six dust collection heads 18 are communicated with one end of a same second air pipe 17, and the other end of the second air pipe 17 is communicated with the upper surface of the collection box 16.
As shown in fig. 7 and 8, the outer surface of the connection shaft 33 is provided with a third bearing 34, the third bearing 34 is disposed on the lower surface of the inner wall of the protective box 29, the third bearing 34 supports the connection shaft 33 and simultaneously ensures the stable rotation of the rotary blade 35 and the second gear 22, the outer surface of the connection shaft 33 is provided with the rotary blade 35, and the position of the rotary blade 35 corresponds to the position of the second connection pipe 31.
As shown in fig. 4, 5 and 6, the second bearing 24 is disposed on the outer surface of the fixing plate 25, the second bearing 24 is disposed on the outer surface of the rotating plate 23, the plurality of spiral air holes 36 are disposed on the upper surface of the rotating plate 23, the plurality of spiral air holes 36 are uniformly disposed on the outer side of the laser head 26 in a ring shape, and by disposing the rotating plate 23 and the spiral air holes 36, the air flow passes downward through the rotating spiral air holes 36 while the rotating plate 23 rotates, so that the air flow can form a continuous spiral air flow.
As shown in fig. 7, the upper surface of the shield case 29 is fixedly connected to the lower surface of the riser 30, and the upper surface of the riser 30 is fixedly connected to the lower surface of the movable support 6.
A use method of a laser cutting machine adopting an integrated lathe bed structure comprises the following steps:
s1, a workpiece to be machined is directly placed on the surface of the supporting plate 2, then the laser head 26 is controlled to work, meanwhile, the high-pressure gas cylinder 32 is started and controls the connecting pump assembly 15 to work, the laser head 26 processes the workpiece, simultaneously, oxygen enters the second nozzle 27 from the high-pressure gas cylinder 32 through the first connecting pipe 28 protection box 29 and the second connecting pipe 31, the high-pressure oxygen sprayed from the second nozzle 27 impacts a laser cutting position, simultaneously, the oxygen sprayed from the second nozzle 27 simultaneously blows at the cutting position, the high-pressure oxygen directly impacts the surface of the rotating blade 35 when entering the protection box 29, and the rotating blade 35 drives the connecting shaft 33 and the second gear 22 to rotate;
s2, at the moment, the second gear 22 drives the first gear 21 and the rotary base 20 to rotate, meanwhile, the connecting pump assembly 15 sucks smoke and dust on the surface of the supporting plate 2 through the dust suction head 18, meanwhile, air is blown downwards through the connecting cylinder 13 and the spiral air holes 36, the rotary base 20 and the rotary plate 23 rotate, meanwhile, the air blown downwards through the spiral air holes 36 forms continuous spiral airflow, at the moment, a negative pressure environment is formed inside the airflow, and smoke generated in the laser cutting process is sucked to the surface of an air wall;
s3, smoke dust in the air outside the spiral airflow is sucked into the air wall and downwards sucked into the collection box 16 by the dust suction head 18, after the processing of the workpiece is finished, the control connection pump assembly 15 stops working and closes the high-pressure air bottle 32, the workpiece is taken down and then the drive assembly 12 is controlled to work, at the moment, the drive assembly 12 drives the screw rod 10 to rotate, and meanwhile, the screw cap 9 controls the moving block 8 and the cleaning brush 11 to move due to the thread action between the screw rod 10 and the cleaning brush 11 to clean the surface chips of the supporting plate 2.
In summary, the present invention:
the invention adopts a high-pressure gas cylinder 32, a rotating blade 35, a connecting shaft 33, a second gear 22, a first gear 21, a rotating base 20, a rotating plate 23, a spiral air hole 36, a connecting pump assembly 15 and a collecting box 16, wherein gas in the high-pressure gas cylinder 32 is exhausted while blowing the rotating blade 35 and the second gear 22 to rotate, at the same time, the second gear 22 drives the first gear 21 and the rotating plate 23 to rotate, at the same time, the connecting pump assembly 15 sucks gas through a dust suction head 18 and discharges the gas downwards through the spiral air hole 36, the rotating spiral air hole 36 enables the gas to be discharged downwards and form a continuous spiral shape, at the same time, negative pressure is formed inside the spiral air flow, smoke generated in the laser cutting process is quickly sucked to the surface of a spiral gas wall, the smoke in the external air of the spiral air flow is also quickly sucked, the gas is downwards impacted on the surface of a workpiece and then is sucked by the dust suction head 18, so as to realize the quick collection of the smoke-containing gas, meanwhile, the heat loss on the surface of the workpiece is accelerated, the smoke dust is enabled to leave the laser emission area quickly while the overflow and the dispersion of the smoke dust are reduced, and the smoke dust is enabled to be processed more reasonably in the laser cutting process.
According to the invention, the high-pressure gas cylinders 32, the first connecting pipes 28, the second spray nozzles 27 and the first spray nozzles 3 are arranged, the number of the first spray nozzles 3 is multiple, the electromagnetic valves are arranged on the surfaces of the first spray nozzles 3, oxygen sprayed from the first spray nozzles 3 at corresponding positions can be controlled in time to blow at the laser cutting positions according to the laser cutting positions, the second spray nozzles 27 can directly spray oxygen, so that the upper side and the lower side of the cutting positions of a workpiece are impacted by the oxygen at the same time, the slag is simply cleaned while the heat dissipation effect of the cutting positions is ensured, the oxygen assists combustion in the cutting process, and the reaction cutting effect with materials is more ideal.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides an adopt laser cutting machine of integral type lathe bed structure, includes underframe (1), its characterized in that: two movable grooves (7) are formed in the left side surface and the right side surface of the inner wall of the bottom frame (1), a screw rod (10) is arranged on the inner wall of each movable groove (7), the outer surface of each screw rod (10) is in threaded connection with the inner wall of a threaded cap (9), each threaded cap (9) is arranged on the back surface of a movable block (8), a cleaning brush (11) is arranged on the lower surface of each movable block (8), the upper surface of the bottom frame (1) is in lap joint with the lower surface of a movable support (6), the lower surface of the movable support (6) is fixedly connected with the upper surface of a connecting cylinder (13), a first bearing (19) is arranged on the lower surface of the connecting cylinder (13), a rotating seat (20) is arranged on the inner wall of the first bearing (19), and the outer surface of the rotating seat (20) is fixedly connected with the inner wall of a first gear (21);
the right side surface of the first gear (21) is meshed with the left side surface of the second gear (22), the upper surface of the second gear (22) is fixedly connected with the bottom end of the connecting shaft (33), the inner wall of the rotating seat (20) is fixedly connected with the outer surface of the rotating plate (23), the lower surface of the movable support (6) is provided with a laser head (26), the outer surface of the laser head (26) is fixedly connected with the inner wall of the fixing plate (25), the upper surface of the fixing plate (25) is connected with a second spray head (27) in a clamping mode, and the upper surface of the second spray head (27) is communicated with one end of the first connecting pipe (28);
the other end of the first connecting pipe (28) is communicated with the upper surface of the protective box (29), the right side surface of the protective box (29) is communicated with the left end of the second connecting pipe (31), the other end of the second connecting pipe (31) is communicated with the lower surface of the high-pressure gas cylinder (32), the left side surface of the high-pressure gas cylinder (32) is fixedly connected with the right side surface of the movable support (6), the left side surface of the connecting cylinder (13) is communicated with one end of the first gas pipe (14), the other end of the first gas pipe (14) is communicated with the left side surface of the connecting pump assembly (15), the right side surface of the connecting pump assembly (15) is communicated with the left side surface of the collecting box (16), and the right side surface of the collecting box (16) is fixedly connected with the left side surface of the movable support (6).
2. The laser cutting machine with the integral lathe bed structure according to claim 1, wherein: underframe (1) inner wall and the surface fixed connection of backup pad (2), the upper surface of backup pad (2) is provided with first shower nozzle (3), both sides around one end that lead screw (10) carried on the back mutually all is provided with drive assembly (12), drive assembly (12) set up in the front of underframe (1).
3. The laser cutting machine with the integral lathe bed structure according to claim 1, wherein: the outer surface of the moving block (8) is in lap joint with the inner wall of the moving groove (7), the upper surface of the bottom frame (1) is provided with two sliding rails (4), the inner walls of the sliding rails (4) are provided with guide blocks (5), and the upper surfaces of the guide blocks (5) are fixedly connected with the lower surface of the moving support (6).
4. The laser cutting machine with the integral lathe bed structure as claimed in claim 2, wherein: underframe (1) inner wall's left and right sides face all is provided with three dust absorption head (18), dust absorption head (18) are located the upside of backup pad (2), the length of clearance brush (11) is corresponding with the length of backup pad (2), six the lower surface of dust absorption head (18) is linked together with the one end of same second trachea (17), the other end of second trachea (17) is linked together with the upper surface of collecting box (16).
5. The laser cutting machine with the integral lathe bed structure according to claim 1, wherein: the outer surface of connecting axle (33) is provided with third bearing (34), third bearing (34) set up the lower surface at guard box (29) inner wall, the surface of connecting axle (33) sets up rotatory leaf (35) again, the position of rotatory leaf (35) corresponds with the position of second connecting pipe (31).
6. The laser cutting machine with the integral lathe bed structure according to claim 1, wherein: the surface of fixed plate (25) is provided with second bearing (24), second bearing (24) set up the surface at rotor plate (23), a plurality of spiral air hole (36) have been seted up to the upper surface of rotor plate (23), and a plurality of spiral air hole (36) are the annular outside that evenly sets up at laser head (26).
7. The laser cutting machine with the integral lathe bed structure according to claim 1, wherein: the upper surface of the protective box (29) is fixedly connected with the lower surface of a vertical plate (30), and the upper surface of the vertical plate (30) is fixedly connected with the lower surface of the movable support (6).
8. The use method of the laser cutting machine adopting the integrated lathe bed structure is characterized by comprising the following steps of:
s1, a workpiece to be machined is directly placed on the surface of a supporting plate (2), then a laser head (26) is controlled to work, meanwhile, a high-pressure gas cylinder (32) is started and controls a connecting pump assembly (15) to work, the laser head (26) processes the workpiece, simultaneously, oxygen enters a second nozzle (27) through a first connecting pipe (28) protective box (29) and a second connecting pipe (31) through the high-pressure gas cylinder (32), the high-pressure oxygen sprayed out by the second nozzle (27) impacts at a laser cutting position, meanwhile, the oxygen sprayed out by the second nozzle (27) blows at the cutting position, the high-pressure oxygen directly impacts on the surface of a rotating blade (35) when entering the interior of the protective box (29), and the rotating blade (35) drives a connecting shaft (33) and a second gear (22) to rotate;
s2, at the moment, the second gear (22) drives the first gear (21) and the rotary seat (20) to rotate, meanwhile, the connecting pump assembly (15) sucks smoke and dust on the surface of the supporting plate (2) through the dust suction head (18), meanwhile, the air is blown downwards through the connecting cylinder (13) and the spiral air holes (36), the rotary seat (20) and the rotary plate (23) rotate, meanwhile, the air blown downwards through the spiral air holes (36) forms continuous spiral air flow, at the moment, a negative pressure environment is formed inside the air flow, and smoke generated in the laser cutting process is sucked to the surface of an air wall;
s3, smoke dust in the air outside the spiral airflow is sucked into the air wall and downwards sucked into the collection box (16) by the dust suction head (18), after the workpiece is machined, the control connection pump assembly (15) stops working and the high-pressure gas cylinder (32) is closed, the workpiece is taken down and then the drive assembly (12) is controlled to work, the drive assembly (12) drives the screw rod (10) to rotate, and meanwhile the screw cap (9) controls the moving block (8) and the cleaning brush (11) to move due to the action of threads between the screw rod (10) to clean the surface chips of the support plate (2).
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