CN103212818A - Laser cutting machine - Google Patents
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- CN103212818A CN103212818A CN201210015850XA CN201210015850A CN103212818A CN 103212818 A CN103212818 A CN 103212818A CN 201210015850X A CN201210015850X A CN 201210015850XA CN 201210015850 A CN201210015850 A CN 201210015850A CN 103212818 A CN103212818 A CN 103212818A
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Abstract
The invention relates to a laser cutting machine with a coaxial spray nozzle, and the machine mainly solves the problems in an existing thin-wall pipe laser processing technology that the laser cutting machine can only cut in a dry way or can only cut in a wet way but cannot realize the two processes simultaneously. The laser cutting machine with the coaxial spray nozzle comprises a dust suction module and a water circulation module; the dust suction module comprises a dust collector and a dust suction pipe; the dust suction pipe is connected with a dust suction pipe installation hole (8) in a sealed cavity (7) through a flange; the water circulation module comprises a water collection pipe (10), a sewage filter device (11), a pressurizing water pump (12) and a water guiding mechanism (13); one end of the water collection pipe (10) is connected with a blanking box (9), and the other end of the water collection pipe (10) is connected with the sewage filter device (11); the sewage filter device (11) is connected with the pressurizing water pump (12); the water inlet of the water guiding mechanism is connected with the pressurizing water pump (12); and a water guide pipe and a pipe (3) are inserted into a pipe to be processed. Due to the adoption of the technical scheme, the problems are well solved, and the laser cutting machine can be used in the industrial production of laser dry and wet cutting.
Description
Technical field
The present invention relates to a kind of laser cutting machine that contains the coaxial-type nozzle, be specifically related to that a kind of compatible thin wall tube material is dried to be cut and the laser cutting machine that contains the coaxial-type nozzle of wet cutting process.
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.Wet cutting process has superiority in the finding cutting usually in the thin-wall pipes Laser Processing, because minute sized metal parts can produce heat fast in cutting process, wet cutting keeping having important function aspect the temperature minimum of heat affected area, the cooling water that wet simultaneously incisal guide is gone into 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 pollution in avoiding cutting.
And driedly when machining large-sized part cut processing and can improve process velocity, nor exist wet cut to add produce the link that sewage needs isolated by filtration man-hour, can save processing cost.But be which kind of technology all needs to select according to concrete processing request.
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.
Laser cutting machine of the prior art all can not combine doing two kinds of technologies of wet cutting, and the present invention proposes a kind of tubing Laser Processing that is applicable to, can compatible driedly simultaneously cut and wets and cut the processing unit (plant) of two kinds of processing technologys.
Summary of the invention
Technical problem to be solved by this invention is can only driedly cut when the thin-wall pipes Laser Processing or can only wet and cut, problem that can not simultaneously compatible two kinds of processing technologys.The invention provides a kind of laser cutting machine, adopt this laser cutting machine to take into account simultaneously and driedly cut and wet and cut two kinds of processing technologys, and between two kinds of processing technologys, switch, do not need other equipment and device, have advantage simply and easily.
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 machine that contains the coaxial-type nozzle comprises processing module, the module that connects material, two-dimension moving platform, dust extractor and water circulation module; Two-dimension moving platform 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; Processing module is positioned at rotating shaft 2 tops, comprises laser generator 5 and coaxial-type nozzle 6; The module that connects material is positioned at nozzle 6 belows, is made up of annular seal space 7 and blanking box 9, and dust extractor 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 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.
Above-mentioned coaxial-type nozzle, comprise three parts: top is divided into the link block I that is connected with laser generator, the middle part is transition module II, the bottom is the nozzle module III, upper connecting base 1 inside is provided with focus lamp 10, and the link block I is provided with upper connecting base 1, and upper connecting base 1 upper end has external screw thread to be connected with laser generator, the screw thread of lower end is connected with filtration adapter sleeve 4, and at joint silicagel pad 2 and annular knurl adjustment screw 3 is installed; Transition module II is provided with transition adapter sleeve 4, and transition adapter sleeve 4 is provided with auxiliary gas entry 5; The nozzle module III is made up of nozzle inner core 9 and the outer core 7 of nozzle, on the core 7 screw thread is arranged outside nozzle inner core 9 and nozzle, and the two connects by threaded engagement, and seals by O-ring seals 6 in the junction; High-pressure water inlet 8 is arranged on the sidewall of the outer core 7 of nozzle, and opening direction is vertical with the nozzle direction.
In the technique scheme, optimized technical scheme is that auxiliary gas entry 5 is used for spraying assist gas to cutting area, and the assist gas of feeding is coaxial with laser beam.Optimized technical scheme for from the laser generator emitting laser by after being installed in focus lamp 10 on the upper connecting base 1 and focusing on, be transmitted on the nozzle inner core 9, cooling water enters in the passage of the outer core of nozzle by the high-pressure water inlet 8 on the outer core 7 of nozzle.Optimized technical scheme is that the outer core 7 of nozzle inner core 9 and nozzle adopts the red copper material to make.Optimized technical scheme is that nozzle inner core 9 is than outer core 7 length of nozzle.Optimized technical scheme has internal thread for external screw thread is arranged on the outer core 7 of nozzle on nozzle inner core 9, the two connects by threaded engagement.Optimized technical scheme is that water under high pressure is the outgas pure water of processing or the pure water behind the secondary filter.
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 a coaxial-type nozzle arrangements schematic diagram.
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, I is a link block; II is excessive module; The III nozzle module; 1 is upper connecting base, and 2 is silicagel pad, and 3 is the annular knurl adjustment screw, and 4 are the transition adapter sleeve, and 5 is auxiliary gas entry, and 6 is O-ring seals, and 7 is the outer core of nozzle, and 8 is high-pressure water inlet, and 9 is the nozzle inner core, and 10 is focus lamp.
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 machine, as shown in Figure 1, comprises processing module, the module that connects material, two-dimension moving platform, dust extractor and water circulation module; Two-dimension moving platform 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; Processing module is positioned at rotating shaft 2 tops, comprises laser generator 5 and coaxial-type nozzle 6; The module that connects material is positioned at coaxial-type nozzle 6 belows, is made up of annular seal space 7 and blanking box 9, and dust extractor 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 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, the sealed bearing 7 of water inlet 6 and automatic water supply system 5 is connected, 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.
The coaxial-type nozzle, as shown in Figure 4, comprise three parts: top is divided into the link block I that is connected with laser generator, the middle part is transition module II, and the bottom is the nozzle module III, and upper connecting base 1 inside is provided with focus lamp 10, the link block I is provided with upper connecting base 1, upper connecting base 1 upper end has external screw thread to be connected with laser generator, and the screw thread of lower end is connected with filtration adapter sleeve 4, and at joint silicagel pad 2 and annular knurl adjustment screw 3 is installed; Transition module II is provided with transition adapter sleeve 4, and transition adapter sleeve 4 is provided with auxiliary gas entry 5; The nozzle module III is made up of nozzle inner core 9 and the outer core 7 of nozzle, on the core 7 screw thread is arranged outside nozzle inner core 9 and nozzle, and the two connects by threaded engagement, and seals by O-ring seals 6 in the junction; High-pressure water inlet 8 is arranged on the sidewall of the outer core 7 of nozzle, and opening direction is vertical with the nozzle direction.
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 (10)
1. laser cutting machine that contains the coaxial-type nozzle comprises processing module, the module that connects material, two-dimension moving platform, dust extractor and water circulation module; Two-dimension moving platform 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); Processing module is positioned at rotating shaft (2) top, comprises laser generator (5) and coaxial-type nozzle (6); The module that connects material is positioned at nozzle (6) below, is made up of annular seal space (7) and blanking box (9), and dust extractor 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 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. the laser cutting machine that contains the coaxial-type nozzle according to claim 1, the sweep-up pipe installing hole (8) of the module afterbody that it is characterized in that connecting material is furnished with seal plug.
3. the laser cutting machine that contains the coaxial-type nozzle according to claim 1 is characterized in that there is waterproof seal rotating shaft (2) inside.
4. the laser cutting machine that contains the coaxial-type nozzle according to claim 1 is characterized in that the rotating shaft shell adopts waterproof material to make.
5. the laser cutting machine that contains the coaxial-type nozzle 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.
6. the laser cutting machine that contains the coaxial-type nozzle according to claim 5, 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 aqueduct of the other end and laser cutting machine links to each other, and liquid level sensor, magnetic valve, centrifugal pump are by Controlled by Programmable Controller.
7. the laser cutting machine that contains the coaxial-type nozzle according to claim 1, it is characterized in that the coaxial-type nozzle comprises three parts: top is divided into the link block I that is connected with laser generator, the middle part is transition module II, the bottom is the nozzle module III, the link block I is provided with upper connecting base (1), upper connecting base (1) inside is provided with focus lamp (10), upper connecting base (1) upper end has external screw thread to be connected with laser generator, the screw thread of lower end is connected with filtration adapter sleeve (4), and at joint silicagel pad (2) and annular knurl adjustment screw (3) is installed; Transition module II is provided with transition adapter sleeve (4), and transition adapter sleeve (4) is provided with auxiliary gas entry (5); The nozzle module III is made up of nozzle inner core (9) and the outer core (7) of nozzle, on the core (7) screw thread is arranged outside nozzle inner core (9) and nozzle, and the two connects by threaded engagement, and is provided with O-ring seals (6) sealing in the junction; High-pressure water inlet (8) is arranged on the sidewall of the outer core (7) of nozzle, and opening direction is vertical with the nozzle direction.
8. the laser cutting machine that contains the coaxial-type nozzle according to claim 7, it is characterized in that the optical generator emitting laser is by after being installed in focus lamp (10) focusing on the upper connecting base (1), be transmitted on the nozzle inner core (9), cooling water enters in the passage of the outer core (7) of nozzle by the high-pressure water inlet (8) on the outer core (7) of nozzle.
9. the laser cutting machine that contains the coaxial-type nozzle according to claim 7 is characterized in that the outer core (7) of nozzle inner core (9) and nozzle adopts the red copper material to make.
10. the laser cutting machine that contains the coaxial-type nozzle according to claim 7 is characterized in that nozzle inner core (9) is longer than the outer core of nozzle (7).
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| CN201210015850.XA CN103212818B (en) | 2012-01-19 | 2012-01-19 | Laser cutting machine |
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| CN201210015850.XA CN103212818B (en) | 2012-01-19 | 2012-01-19 | Laser cutting machine |
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Cited By (5)
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| CN103464903A (en) * | 2013-09-02 | 2013-12-25 | 太仓子午电气有限公司 | Circulating device for laser cutting machine cooling water |
| CN103769753A (en) * | 2014-02-10 | 2014-05-07 | 苏州领创激光科技有限公司 | Anti-explosive perforating system |
| CN106312326A (en) * | 2015-07-07 | 2017-01-11 | 王爱华 | Laser cutting device for pipe cutting |
| CN110900005A (en) * | 2019-12-13 | 2020-03-24 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Full-automatic laser cutting device and cutting method thereof |
| CN112605528A (en) * | 2020-12-09 | 2021-04-06 | 淮阴工学院 | Micro-nano structure laser forming device and forming method |
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| CN103464903A (en) * | 2013-09-02 | 2013-12-25 | 太仓子午电气有限公司 | Circulating device for laser cutting machine cooling water |
| CN103769753A (en) * | 2014-02-10 | 2014-05-07 | 苏州领创激光科技有限公司 | Anti-explosive perforating system |
| CN106312326A (en) * | 2015-07-07 | 2017-01-11 | 王爱华 | Laser cutting device for pipe cutting |
| CN110900005A (en) * | 2019-12-13 | 2020-03-24 | 安徽省春谷3D打印智能装备产业技术研究院有限公司 | Full-automatic laser cutting device and cutting method thereof |
| CN112605528A (en) * | 2020-12-09 | 2021-04-06 | 淮阴工学院 | Micro-nano structure laser forming device and forming method |
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