CN103212854A - Laser cutting method - Google Patents

Laser cutting method Download PDF

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Publication number
CN103212854A
CN103212854A CN2012100158514A CN201210015851A CN103212854A CN 103212854 A CN103212854 A CN 103212854A CN 2012100158514 A CN2012100158514 A CN 2012100158514A CN 201210015851 A CN201210015851 A CN 201210015851A CN 103212854 A CN103212854 A CN 103212854A
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water
laser cutting
tubing
aqueduct
laser
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CN2012100158514A
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CN103212854B (en
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魏志凌
宁军
夏发平
马秀云
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Kunshan Theta Micro Co Ltd
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Kunshan Theta Micro Co Ltd
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Abstract

The invention relates to a laser cutting method which mainly solves the problems in the prior art that when a laser cutting machine processes a pipe with a small diameter, the produced heat damages parts and chips are not easily removed. The laser wet cutting method comprises the following steps that the pipe to be cut is fixedly arranged on the rotary shaft of the cutting machine, a water guiding pipe of the water guiding system of the cutting machine is inserted from one end of the thin-wall pipe to be cut, the laser cutting machine is started so that the pipe to be cut rotates, the water guiding system of the laser cutting machine is started so that the water guiding pipe rotates, the water circulation module of the laser cutting machine is started, and the cutting head of the laser cutting machine is started to cut the pipe. Due to the adoption of the technical scheme, the problems are well solved, and the laser cutting method can be used in the industrial production of laser cutting machining.

Description

The Laser cutting method
 
Technical field
The present invention relates to a kind of wet cutting process method of laser of thin-wall pipes, have and relate to a kind of wet cutting process method of laser with preposition spray water guide system.
Background technology
Laser cutting technique cuts down finished cost owing to have minimizing process time, improves the advantage of workpiece quality, be widely used in the processing of metal and nonmetallic materials, and Laser cutting also has the trend that replaces conventional tool gradually.
Laser Micro-Machining is owing to working (machining) efficiency height, few, the noncontact of cutting residue processing, easily realize the characteristics such as automation of process, thereby becomes the main method of thin-wall pipes processing.The laser cutting of thin-wall pipes is to be moved at tubing upper edge line of cut by overlapped laser pulse point, imports the auxiliary fusing cutting of hyperbaric oxygen simultaneously.Laser focal spot material fusion and gasification, slag is blown out by gas, forms cutting track on metal pipe-wall.Fusion gas and slag be outwards emission originally, but last, most steam has all become chip, is dispersed in around the ablation pattern surface and in the cutting.The formation of chip has destroyed the outward appearance and the performance of part.It has also reduced ablation efficiency, because the preceding chip that once stays may block the path that laser beam is propagated when scanning next time.
When the tubing of the big caliber of laser cutting, the overheated influence that brings in zonule is little.But, need to cut the tubing of small caliber in a lot of the application, (caliber is generally less than 5mm) can produce heat fast in laser processing procedure, the thermal diffusion meeting of part produces fire damage, no matter be the heat affected area, melt zone, double teeming, or dregs, micro-structural all changed.The integrality of part has been endangered in the part heat-affected zone, and then has obviously reduced processing output.
General Laser Micro-Machining technology has driedly cuts and wets and cut two kinds of technologies, and dried cutting process is that assist gas is blown in the laser and the material zone of action, is used to remove the disintegrating slag and the cooling laser active region of otch.Wet cutting usually has superiority in the finding cutting, because little metal parts can produce heat fast in cutting process, wet cutting keeping having important function aspect the temperature minimum of heat affected area, especially because the temperature that special diffusion causes increases, wet cutting can help to keep heat management best in the workpiece.While is owing to fusing and the material after condensing still remains in otch and cutting is surperficial.In order to eliminate them, the secondary air of limited air pressure is generated near laser beam usually.But this air-flow is very ineffective, because only there is a fraction of gas penetration to enter otch.Except near the chip the otch, melt particle and evaporating materials deposition in addition on the surface.And introduce water under high pressure to cut point, can produce the very thin moisture film of one deck at surface of the work.Drop on the very fast cooling of particle on the film and can't be bonded in the surface of workpiece.The specific implementation of water guide mode: than dried cutting process, water guide link that wet cutting process is many need import cooling water to the cut point position.
CN202006338U discloses a kind of high power laser light cutting machine and light-conducting system field; especially water-cooled laser cutting head; it comprises water-cooled focus lamp inner core, water-cooled focus lamp overcoat; be connected with cooling water between water-cooled focus lamp inner core, the water-cooled focus lamp overcoat; condensing lens and screening glass thereof are installed in the water-cooled focus lamp inner core; the laser output of described water-cooled focus lamp inner core is equipped with the longitudinal cross-section and is biconial air blowing cover small in ends, broad in the middle, and the tapering outer surface is provided with inlet suction port on the cover of blowing.
CN1827282 discloses a kind of CO of being used for 2The digital-control laser cutting head of numerical control laser cutter and manufacture method thereof.Digital-control laser cutting head comprises the water-cooled assembly, and the upper and lower part of described water-cooled assembly all is integral annular cooling water channel structures, and its annular cooling water groove is disposable machining moulding; The loss of air pressure and light energy is little in use, focusing effect good, good airproof performance, bigger, the sheet material utilization rate height of sheet metal thickness that is cut to adopt above technology to make digital-control laser cutting head, and has high strength, high resistance to pressure and high-termal conductivity.
Rearmounted water guide water inlet, from the water inlet of tubing afterbody, flexible pipe is deep into interior of rotating shaft, when rotating shaft during along the linear axis feeding, rubber hose need be followed feeding together, and this water guide mode flexible pipe is long, increased the risk that water is revealed, rotation axis seal has been required high.The not compact entire equipment of structure takes up space and also is unfavorable for the control of equipment cost greatly simultaneously.
Laser cutting machine water guide system water supply instability of the prior art, structure is not compact, and entire equipment takes up space greatly, also is unfavorable for the control of equipment cost, and prior art there is not report control automatically yet, stable automatic water supply system supplies water.
Summary of the invention
Technical problem to be solved by this invention is in the process of Laser Processing microtubules diameter pipes, the heat that produces causes fire damage to part, chip is the problem of easy-clear not, a kind of Laser cutting method is provided, it is little that this method has the fire damage that part is caused, simultaneously the advantage of the chip easy-clear that produces in the cutting process.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows: a kind of Laser cutting method comprises following several steps:
A) tubing to be cut is fixed on the rotating shaft of cutting machine;
B) aqueduct of the water guide system of the cutting machine end from thin-wall pipes to be cut is inserted;
C) rotating shaft of startup laser cutting machine makes tubing rotation to be cut;
D) the water guide system of startup laser cutting machine makes the aqueduct rotation;
E) the water circulation module of startup laser cutting machine;
F) the cutting head incising pipes of startup laser cutting machine;
Wherein, described laser cutting machine, the coaxial water jet module I that comprises, the module that connects material II, two-dimension moving platform III, dust extractor IV and water circulation module V; The two-dimension moving platform III comprises linear axis 1 and rotating shaft 2, rotating shaft 2 is installed on the slide rail of linear axis 1, and rotating shaft 2 is clamped tubing 3 rotation at a high speed by tubing anchor clamps 4, moves along linear axis 2 simultaneously, rotating shaft 2 is a hollow structure, and tubing 3 one ends are put into rotating shaft 2; Coaxial water jet module I is positioned at rotating shaft 2 tops, comprises the coaxial water jet device with laser generator 5 and nozzle 6; The module that connects material II is positioned at nozzle 6 belows, is made up of annular seal space 7 and blanking box 9, and the dust extractor IV is made up of dust catcher and sweep-up pipe, and sweep-up pipe is connected with sweep-up pipe installing hole 8 on the annular seal space 7 by flange; Water circulation module V comprises collector pipe 10, sewage filter device 11, pressure pump 12, water distributor 13, collector pipe 10 1 ends connect blanking box 9, the other end connects sewage filter device 11, sewage filter device 11 connects pressure pump 12, the water distributor water inlet links to each other with pressure pump 12, and aqueduct is connected with tubing 3.
In the technique scheme, the connect material sweep-up pipe installing hole 8 of module afterbody of optimized technical scheme is furnished with seal plug,
There is waterproof seal rotating shaft 2 inside; The rotating shaft shell adopts waterproof material to make.Water distributor comprises motor, shaft coupling, lining, aqueduct, water inlet, delivery port, motor links to each other with aqueduct by shaft coupling, lining, lining one end is positioned at shaft coupling, the other end and aqueduct are tightly connected, aqueduct has water inlet near lining one end, the external diameter of aqueduct is less than the internal diameter of tubing to be processed, the inside that aqueduct one end inserts tubing to be processed.
The water jet that long trough is arranged on the optimized technical scheme aqueduct, water under high pressure spray from water jet after entering aqueduct.In tubing cutting process to be processed, aqueduct is done under the drive of motor and the reciprocal rotation of tubing to be processed.
The water guide system can also comprise automatic water supply system, and this automatic water supply system comprises water tank, liquid level sensor, water inlet, magnetic valve, delivery port, centrifugal pump, water pipe and liquid level line; Liquid level sensor is positioned at the liquid level line position, middle and upper part of water tank, and an end of water inlet is connected water tank upper, and the other end links to each other with the water source by magnetic valve; One end of water pipe is positioned at the bottom or the side of water tank, and is positioned at below the liquid level line; The other end of water pipe links to each other with centrifugal pump, and an end of delivery port is positioned on the centrifugal pump, and the aqueduct of the other end and laser cutting machine links to each other.Water tank is made by transparent material; Optimized technical scheme liquid level sensor, magnetic valve, centrifugal pump are controlled by Programmable Logic Controller PLC.
Coaxial water jet device is hollow cylindrical, and there is photoelectric sensor mount pad 3 upper end, photoelectric sensor 1 and photoelectric sensor focusing knob 2 be located at photoelectric sensor mount pad 3 above, below the photoelectric sensor mount pad 3, coaxial water jet device inside is provided with 45 0Speculum 4 is with 45 0On the cylindrical sidewall of speculum 4 correspondences, be provided with lighting source 11, be provided with laser generator 5,45 below the lighting source 11 0Be provided with focus lamp 7 below the speculum 4; the cylindrical sidewall of focus lamp 7 correspondences is provided with focus lamp focusing differential head 8; be provided with protective glass 9 below the focus lamp 7; protective glass 9 following for having double-deck nozzle 6; water jet 12 passes through between nozzle 6 double-deckers, and nozzle 6 is connected with high service unit 10 by the water inlet on the sidewall 13.
In the technique scheme, optimized technical scheme laser generator 5 is the optical-fiber laser generator.Optimized technical scheme nozzle 6 is annular, and water jet 12 is column.Focus lamp focusing differential head 8 is used for level or vertical adjusting focus lamp 7.
The present invention adopts state-of-the-art optical fiber laser, obtains sufficiently high peak power.The water under high pressure feed unit.Be used to provide water under high pressure.Adopt circular nozzle, water jet is column basically.Protective glass 9 is avoided the influence to focus lamp and laser generator of chip that fusion splashes and current in process.
The present invention proposes is used for the wet coaxial water jet device of processing of cutting of thin-walled microtubules diameter pipes, in water column is kept stable scope, treating product processed processes, the heat that makes laser energy accumulation and conduction produce is taken away by water, it is scorching hot to avoid the heat waste of laser when thin-wall pipes is cut to injure, and removes the chip that produces in the cutting process simultaneously.Because water jet is very thin, its active force is very little on workpiece, to the consumption of water also seldom, owing to do not produce any fire damage, can process numerous types of materials better than dry laser.Expensive than auxiliary gases at high pressure, the high flow rate in the process, water can be gathered materials on the spot, and loss is few, and cost is low, and evaporant or slag in the process are substantially all taken away by current, have protected environment.
Than dried cutting process, water guide link that wet cutting process is many need import cooling water to the cut point position.In the preposition spray water distributor that the present invention proposes: aqueduct is to adopt the tubing thinner than pipe internal diameter, and water is delivered to cut end, and the water jet of long trough is arranged on it, and water under high pressure can spray from water jet after injecting aqueduct.In the tubing cutting process, the tubing anchor clamps drive tubing and rotate at a high speed, and aqueduct is done under the drive of motor and the reciprocal rotation of tubing, and water jet rotates, thereby can realize the cooling of whole tubing.Be matched in clearance between aqueduct and the tubing, prevent aqueduct wearing and tearing tubing in the relative motion process.Lining is installed in the aqueduct end, protects aqueduct first, if second during cutting microtubules diameter pipes, the external diameter of aqueduct is littler, and the terminal mounting bush of aqueduct conveniently is connected with shaft coupling.
The compatible thin wall tube material that the present invention proposes is done, the laser cutting machine of wet processing technology, and its characteristics have:
Adding man-hour, the workpiece two ends are held, and an end-grain cutting is cut, and cutting nozzles is deep in the retaining ring the inside, has formed an annular seal space, and water smoke, gas etc. is in this annular seal space, can not expand in the whole machining area and go.Machining area adopts the waterproof sealing design fully, uses the same set of module that connects material, and does not need to carry out special switching between two kinds of processing technologys.
As adopt the dried processing technology of cutting, in the module that connects material, can be full of dust, for fear of these dust crudy is exerted an influence, or these dust are retained in and cause partial cut bad in the tubing, need in time by dust catcher these dust or the soot dust granule sucking-off module that connects material.When dried cutting, dust suction tube screw and annular seal space are coupled together by the sweep-up pipe adpting flange.The position of suction port can not face the nozzle of cutting head, in the time of dust extractor work, can influence the operate as normal of emitting laser bundle in the nozzle like this.If the size of pipe and tubing after the laser cutting is small, can siphon away tubing in the time of dust suction, therefore design mesh, prevent to siphon away tubing.
Sweep-up pipe is connected on the dust catcher interface that disposes on the thin-wall pipes laser machining machine rear board, just can be connected sweep-up pipe with the dust catcher that is disposed by the dust catcher interface.
Two-dimension moving platform comprises the rotating shaft and the linear axis of high-accuracy motion, and rotating shaft is installed on the linear axis slide rail, and rotating shaft clamps tubing and rotates at a high speed, can move along linear axis simultaneously.Rotating shaft hollow, tubing can pass through.In order to prevent that wet cutting from adding water leakage in man-hour, interior of rotating shaft has strict waterproof seal, prevents the current leakage, influences the operate as normal of motor, and the rotating shaft shell also adopts waterproof material to make simultaneously.
When machine adopts wetly when cutting processing technology, owing to have water smoke in the module that connects material in the process, to splash everywhere for preventing these water smokes, the module that connects material plays the function that waterproof is splashed.Add man-hour wet cutting, the sweep-up pipe installing hole of the module afterbody that connects material is blocked with plug, prevent that water smoke is emitted to working space.
Add the sewage water filtration recycling module that water circulation in man-hour module comprises that water distributor and processing back produce wet cutting.Wherein water distributor is that the cooling water of high pressure is imported to cut point, and water jet is full of the internal diameter of whole tubing, and sewage water filtration recycling module is the sewage collecting that produces in the process, filters through filter.
Whole water cycle process is: water distributor imports to cut point to clean high-pressure cooling water, the sewage that produces in the process collects by each collector pipe, be pooled to sewage filter device and filter, be transported to cut point by water distributor again after by the water pump pressurization through the clean water that removes solid residue in the decontaminated water and greasy dirt behind the multistage filtering.Thereby the realization water circulation use reduces the sewage discharge in the process, energy-conserving and environment-protective.
In the laser cutting, the cooling water effect of importing: 1. when laser cutting, cool off tubing.2. removing chip.Motlten metal and metallic vapour are in the deposition of tube surfaces, and the cooling water of importing can produce the very thin moisture film of one deck at surface of the work, drop on the very fast cooling of particle on the film and can't be bonded in the surface of workpiece.The auxiliary gases at high pressure coaxial with laser beam blow out cutting area to the chip of cooling, and chip is pooled to sewage filter device together in company with current and filters.Centrifugal pump among the present invention pressurizes to cooling water, can play the effect of removing chip better.
The water distributor of laser cutting machine, the process introducing water under high pressure that is used for Laser Processing microtubules diameter pipes cools off fast, prevents the excessive calcination of tubing, reduces the pollution in the cutting process.Used water supply installation, it is unstable to have overcome the existing water system water supply of water supply, and structure is not compact, and entire equipment takes up space greatly, the drawback that equipment cost is high, having supplies water stablizes, compact conformation, entire equipment takes up space little, the advantage that equipment cost is low.
The present invention proposes is applicable to the miniature tubing Laser Processing of thin-walled, can simultaneously compatible driedly cut and wet and cut the device of two kinds of processing technologys, and between two kinds of processing technologys, switch simple and convenient, do not need other equipment and device, moreover cooling water can be recycling, save production cost, obtained better technical effect.
 
Description of drawings
Fig. 1 is the laser cutting machine structure schematic diagram.
Fig. 2 is the structural representation of water distributor.
Fig. 3 is the automatic water-supply structural representation.
Fig. 4 is coaxial water jet device structural representation.
Among Fig. 1,1 is linear axis, and 2 is rotating shaft, and 3 is tubing, and 4 is the tubing anchor clamps, 5 is laser generator, and 6 is nozzle, and 7 is annular seal space, and 8 is the sweep-up pipe installing hole, and 9 is the blanking box, 10 is collector pipe, and 11 is sewage filter device, and 12 is pressure pump, and 13 is water distributor, and 14 is processing module.
Among Fig. 2,1 is motor, and 2 is shaft coupling, and 3 is lining, and 4 is aqueduct, and 5 is automatic water supply system, and 6 is water inlet, and 7 is sealed bearing, and 8 is tubing to be processed.
Among Fig. 3,1 is water tank, 2 liquid level sensors, and 3 water inlets, 4 is magnetic valve, and 5 is that delivery port, 6 is centrifugal pump, and 7 is water pipe, and 8 is liquid level line.
Among Fig. 4,1 is photoelectric sensor; 2 is the photoelectric sensor focusing knob, and 3 is that photoelectric sensor mount pad 3,4 is 45 0Speculum, 5 is laser generator, and 6 is nozzle, and 7 is focus lamp, and 8 are focus lamp focusing differential head, and 9 is protective glass, and 10 is the high service unit, and 11 is lighting source, and 12 is water jet, and 13 is water inlet, and 14 is workpiece to be processed, 15 is workbench.
The illumination light and optical fiber laser 6 emitted laser of lighting source 5 emissions incide 45 simultaneously 0Speculum 4,45 04 pairs of laser of speculum are all-trans; and anti-reflection to illumination light 45 degree, light beam impinges perpendicularly on the focus lamp 7, can adjust the Energy distribution of focal beam spot by the distance between control focus lamp and the processing work; see through the laser after focus lamp 7 focuses on, by getting to the processing work surface behind the protective glass 9.Introduce High-Pressure Waters from water under high pressure feed unit 10, in process workpiece is dipped in the water jet that high-pressure water jet 12 forms.
The invention will be further elaborated below by embodiment, but be not limited only to present embodiment.
 
Specific embodiment
 
[embodiment 1]
Present embodiment provides a kind of Laser cutting method, comprises following several steps: tubing to be cut is fixed on the rotating shaft of cutting machine; The aqueduct of the water guide system of the cutting machine end from thin-wall pipes to be cut is inserted; Start the rotating shaft of laser cutting machine, make tubing rotation to be cut; Start the water guide system of laser cutting machine, make the aqueduct rotation; Start the water circulation module of laser cutting machine; Start the cutting head incising pipes of laser cutting machine; Wherein, described laser cutting machine, as shown in Figure 1, the coaxial water jet module I that comprises, the module that connects material II, two-dimension moving platform III, dust extractor IV and water circulation module V; The two-dimension moving platform III comprises linear axis 1 and rotating shaft 2, rotating shaft 2 is installed on the slide rail of linear axis 1, and rotating shaft 2 is clamped tubing 3 rotation at a high speed by tubing anchor clamps 4, moves along linear axis 2 simultaneously, rotating shaft 2 is a hollow structure, and tubing 3 one ends are put into rotating shaft 2; Coaxial water jet module I is positioned at rotating shaft 2 tops, comprises the coaxial water jet device with laser generator 5 and nozzle 6; The module that connects material II is positioned at nozzle 6 belows, is made up of annular seal space 7 and blanking box 9, and the dust extractor IV is made up of dust catcher and sweep-up pipe, and sweep-up pipe is connected with sweep-up pipe installing hole 8 on the annular seal space 7 by flange; Water circulation module V comprises collector pipe 10, sewage filter device 11, pressure pump 12, water distributor 13, collector pipe 10 1 ends connect blanking box 9, the other end connects sewage filter device 11, sewage filter device 11 connects pressure pump 12, the water distributor water inlet links to each other with pressure pump 12, and aqueduct is connected with tubing 3.
Water distributor contains automatic water supply system; As shown in Figure 2, described water distributor comprises motor 1, shaft coupling 2, lining 3, aqueduct 4, automatic water supply system 5 and water inlet 6, motor 1 links to each other with aqueduct 4 by shaft coupling 2, lining 3, lining 3 one ends are positioned at shaft coupling 2, the other end and aqueduct 4 are tightly connected, aqueduct 4 has water inlet 6 near lining 3 one ends, water inlet 6 is connected with automatic water supply system 5 sealed bearings 7, the external diameter of aqueduct 4 is less than the internal diameter of tubing 8 to be processed, and aqueduct 4 gos deep into the inside of tubing to be processed away from lining 3 ends.
Described automatic water supply device as shown in Figure 3, comprises water tank 1, liquid level sensor 2, water inlet 3, magnetic valve 4, delivery port 5, centrifugal pump 6, water pipe 7 and liquid level line 8; Liquid level sensor 2 is positioned at middle and upper part liquid level line 8 positions of water tank 1, and an end of water inlet 3 is connected water tank 1 top, and the other end links to each other with the water source by magnetic valve 4; One end of water pipe 7 is positioned at the bottom or the side of water tank 1, and is positioned at liquid level line below 8; The other end of water pipe 7 links to each other with centrifugal pump 6, and an end of delivery port 5 is positioned on the centrifugal pump 6, and the aqueduct of the other end and laser cutting machine links to each other.Water tank 1 is made by transparent material, and liquid level sensor, magnetic valve 4, centrifugal pump 6 are by Controlled by Programmable Controller.
Coaxial water jet device as shown in Figure 4, is hollow cylindrical, there is photoelectric sensor mount pad 3 upper end, photoelectric sensor 1 and photoelectric sensor focusing knob 2 be located at photoelectric sensor mount pad 3 above, below the photoelectric sensor mount pad 3, coaxial water jet device inside is provided with 45 0Speculum 4 is with 45 0On the cylindrical sidewall of speculum 4 correspondences, be provided with lighting source 11, be provided with laser generator 5,45 below the lighting source 11 0Be provided with focus lamp 7 below the speculum 4; the cylindrical sidewall of focus lamp 7 correspondences is provided with focus lamp focusing differential head 8; be provided with protective glass 9 below the focus lamp 7; protective glass 9 following for having double-deck nozzle 6; water jet 12 passes through between nozzle 6 double-deckers, and nozzle 6 is connected with high service unit 10 by the water inlet on the sidewall 13.
This device can compatible driedly simultaneously be cut and wet and cut two kinds of processing technologys, and switching is simple and convenient between two kinds of processing technologys, do not need other equipment and device, moreover cooling water can be recycling, saved production cost.

Claims (9)

1. laser processing comprises following several steps:
Tubing to be cut is fixed on the rotating shaft of cutting machine;
The aqueduct of the water guide system of cutting machine is inserted from tubing to be cut one end;
Start the rotating shaft of laser cutting machine, make tubing rotation to be cut;
Start the water distributor of laser cutting machine, make the aqueduct rotation;
Start the water circulation module of laser cutting machine;
Start the cutting head incising pipes of laser cutting machine;
Wherein, described laser cutting machine comprises coaxial water jet module I, the module that connects material II, two-dimension moving platform III, dust extractor IV and water circulation module V; The two-dimension moving platform III comprises linear axis (1) and rotating shaft (2), rotating shaft (2) is installed on the slide rail of linear axis (1), rotating shaft (2) is clamped tubing (3) rotation at a high speed by tubing anchor clamps (4), move along linear axis (2) simultaneously, rotating shaft (2) is a hollow structure, and tubing (3) one ends are put into rotating shaft (2); Coaxial water jet module I is positioned at rotating shaft (2) top, comprises the coaxial water jet device of have laser generator (5) and nozzle (6); The module that connects material II is positioned at nozzle (6) below, is made up of annular seal space (7) and blanking box (9), and the dust extractor IV is made up of dust catcher and sweep-up pipe, and sweep-up pipe is connected with sweep-up pipe installing hole (8) on the annular seal space (7) by flange; Water circulation module V comprises collector pipe (10), sewage filter device (11), pressure pump (12) water distributor (13), collector pipe (10) one ends connect blanking box (9), the other end connects sewage filter device (11), sewage filter device (11) connects pressure pump (12), the water distributor water inlet links to each other with pressure pump (12), and aqueduct is connected with tubing (3).
2. Laser cutting method according to claim 1 is characterized in that in tubing cutting process to be processed, and aqueduct (4) is done under the drive of motor (1) and the reciprocal rotation of tubing to be processed (8).
3. Laser cutting method according to claim 1, it is characterized in that water distributor comprises motor, shaft coupling, lining, aqueduct, water inlet, delivery port, motor links to each other with aqueduct by shaft coupling, lining, lining one end is positioned at shaft coupling, the other end and aqueduct are tightly connected, aqueduct has water inlet near lining one end, and the external diameter of aqueduct is less than the internal diameter of tubing to be processed, the inside that aqueduct one end inserts tubing to be processed.
4. Laser cutting method according to claim 1, it is characterized in that described water distributor also comprises automatic water supply system, this automatic water supply system comprises water tank, liquid level sensor, water inlet, magnetic valve, delivery port, centrifugal pump, water pipe and liquid level line; Liquid level sensor is positioned at the liquid level line position, middle and upper part of water tank, and an end of water inlet is connected water tank upper, and the other end links to each other with the water source by magnetic valve; One end of water pipe is positioned at the bottom or the side of water tank, and is positioned at below the liquid level line; The other end of water pipe links to each other with centrifugal pump, and an end of delivery port is positioned on the centrifugal pump, and the other end links to each other with the aqueduct of the preposition spray water guide of laser cutting machine system, and liquid level sensor, magnetic valve, centrifugal pump are by Controlled by Programmable Controller.
5. Laser cutting method according to claim 4 is characterized in that water tank made by transparent material.
6. Laser cutting method according to claim 1, it is characterized in that the coaxial water jet device in the coaxial water jet module I, be hollow cylindrical, there is photoelectric sensor mount pad (3) upper end, photoelectric sensor (1) and photoelectric sensor focusing knob (2) be located at photoelectric sensor mount pad (3) above, below the photoelectric sensor mount pad (3), coaxial water jet device inside is provided with 45 0Speculum (4) is with 45 0On the corresponding cylindrical sidewall of speculum (4), be provided with lighting source (11), be provided with laser generator (5), 45 below the lighting source (11) 0Be provided with focus lamp (7) below the speculum (4); the cylindrical sidewall that focus lamp (7) is corresponding is provided with focus lamp focusing differential head (8); be provided with protective glass (9) below the focus lamp (7); protective glass (9) following for having double-deck nozzle (6); water jet (12) passes through between nozzle (6) double-decker, and nozzle (6) is connected with high service unit (10) by the water inlet on the sidewall (13).
7. Laser cutting method according to claim 6 is levied and is that laser generator (5) is the optical-fiber laser generator.
8. Laser cutting method according to claim 6 is characterized in that nozzle (6) is annular, and water jet (12) is column.
9. Laser cutting method according to claim 6 is characterized in that focus lamp focusing differential head (8) is used for level or vertical adjusting focus lamp (7).
CN201210015851.4A 2012-01-19 2012-01-19 Laser scribe processing method Active CN103212854B (en)

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CN103949778A (en) * 2014-05-08 2014-07-30 湖州优刻光电科技有限公司 Cutting method for hollow lamp tube
CN103962732A (en) * 2014-05-08 2014-08-06 湖州优刻光电科技有限公司 Method for cutting hollow lamp tube
CN105880841A (en) * 2014-12-26 2016-08-24 无锡龙舜实业有限公司 Stable cutting machine for single-wall corrugated pipe
CN106312326A (en) * 2015-07-07 2017-01-11 王爱华 Laser cutting device for pipe cutting
CN108237332A (en) * 2018-03-14 2018-07-03 广东正业科技股份有限公司 A kind of device and method using Water Jet Guided Laser abnormity cutting tubing
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CN110573292A (en) * 2017-05-05 2019-12-13 伊雷克托科学工业股份有限公司 Multi-axis tool, control method thereof and related arrangement
CN108237332A (en) * 2018-03-14 2018-07-03 广东正业科技股份有限公司 A kind of device and method using Water Jet Guided Laser abnormity cutting tubing
CN108672953A (en) * 2018-07-12 2018-10-19 廖伟华 A kind of electromechanical integration laser cutting device

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