CN105817771A - Laser cutting machine for reflective band - Google Patents
Laser cutting machine for reflective band Download PDFInfo
- Publication number
- CN105817771A CN105817771A CN201610293567.1A CN201610293567A CN105817771A CN 105817771 A CN105817771 A CN 105817771A CN 201610293567 A CN201610293567 A CN 201610293567A CN 105817771 A CN105817771 A CN 105817771A
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- CN
- China
- Prior art keywords
- cutting machine
- laser cutting
- stainless steel
- reflective tape
- steel tube
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B23K26/70—Auxiliary operations or equipment
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/04—Cast-iron alloys containing spheroidal graphite
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/16—Bands or sheets of indefinite length
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to a laser cutting machine for a reflective band, and belongs to the technical field of laser cutting. The laser cutting machine for the reflective band comprises a CO2 laser device and a water cooling device for cooling the CO2 laser device; an annular metal net band is arranged below the CO2 laser device, the two ends of the annular metal net band are each provided with a driven wheel and a transmission wheel, and the transmission wheels are driven by a synchronous motor; and an air suction bin is arranged below the annular metal net band and connected with a draught fan. The laser cutting machine is characterized in that the CO2 laser device is a stainless steel tube CO2 laser device. The laser cutting machine for the reflective band is long in service life, high in cutting efficiency and finished product surface quality and high in rate of finished products.
Description
Technical field
The present invention relates to the technical field of cut, it is more particularly related to a kind of reflective tape laser cutting machine.
Background technology
Cut is the laser will launched from laser instrument, through light path system, is focused into the laser beam of high power density.Laser beam irradiation, to surface of the work, makes workpiece reach fusing point or boiling point, and fusing or gasified metal are blown away by the gases at high pressure the most coaxial with light beam.Along with light beam and workpiece moving relative to position, finally make material form joint-cutting, thus reach the purpose of cutting.
Laser cutting is to instead of traditional mechanical blades with sightless light beam, has precision high, and quickly, whether or not otch smooths, and the features such as processing cost is low will gradually improve or be replaced in traditional metal cutting processes equipment in cutting.At present, laser cutting machine is widely used in cutting the sheet materials such as metal, plastic plate, wiring board, and when being applied to the cutting of reflective tape material, as used conventional glass tubing laser instrument, its service life is shorter, is unfavorable for producing continuously;Additionally use CO2Laser instrument is also easy to cause metal mesh belt surface to produce oxidation dirt, consequently, it is possible to cause the surface quality of reflective tape material and reflective function to be affected.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of reflective tape laser cutting machine.
In order to realize foregoing invention purpose, present invention employs techniques below scheme:
A kind of reflective tape laser cutting machine, including CO2Laser instrument and be used for cooling down described CO2The water cooling plant of laser instrument;Described CO2The lower section of laser instrument is provided with annular metal guipure, and the two ends of described annular metal guipure are provided with driven pulley and drive, and described drive passes through synchronous machine drives;The lower section of described annular metal guipure is provided with air draught storehouse, and described air draught storehouse is connected with blower fan;It is characterized in that: described CO2Laser instrument is stainless steel tube CO2Laser instrument.
Wherein, described laser cutting machine also includes blowing unit and rewinding unit.
Wherein, described laser cutting machine also includes controlling described synchronous motor and CO2The controller of laser instrument.
Wherein, described rewinding unit includes product collector, garbage collector and the trash discharge device being connected with motor.
Wherein, described stainless steel tube CO2Laser instrument includes the sealing stainless steel tube as negative pole and shell body;One end soldering of described sealing stainless steel tube has total reflective mirror pedestal, and described total reflective mirror pedestal is provided with total reflective mirror;The other end soldering of described sealing stainless steel tube has outgoing mirror pedestal, and described outgoing mirror pedestal is provided with outgoing mirror;Described sealing rustless steel inner coaxial tube be provided with interior discharge tube, described interior discharge tube is provided with sparking electrode.
Wherein, described stainless steel tube has double-deck inwall, has water-cooling sandwich between described inwall;Described interior discharge tube has double-deck inwall, has water-cooling sandwich between described inwall.
Wherein, described stainless steel tube CO2The power of laser instrument is 100~500W, preferably 200W.
Wherein, described metal mesh belt is cast iron guipure, described cast iron guipure comprises the Mg of the Zr of the Ti of the Cu of Mo, 0.60-1.0wt%, 0.05~0.15wt%, 0.01~0.05wt%, 0.02~0.05wt% of Mn, 0.02-0.10wt% of Si, 0-0.8wt% of C, 2.5-3.5wt% of 3.1-3.8wt%, the P of below 0.10wt%, the S of below 0.05wt%, and the Fe of surplus and inevitable impurity.
Wherein, described cast iron guipure carries out plasma modification process in a vacuum chamber, after surface modification treatment, away from the distance range from surface 5 μm, the mol ratio of [N]/[O] is between 2: 1~3: 1, and the mol ratio at distance [N]/[O] from surface 10 μm is less than 1.5: 1.
Compared with prior art, reflective tape laser cutting machine of the present invention has the advantages that
The reflective tape of the present invention is long for not only service life with laser cutting machine, and cutting efficiency, finished surface quality are high, yield rate high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the reflective tape laser cutting machine of the present invention.
Detailed description of the invention
Below with reference to specific embodiment, reflective tape laser cutting machine of the present invention is further elaborated, to help those skilled in the art that inventive concept, the technical scheme of the present invention are had more complete, accurate and deep understanding.
As it is shown in figure 1, the reflective tape laser cutting machine of the present embodiment, including blowing unit 2, cutter unit 1 and rewinding unit 3.Described cutter unit 1 includes CO2Laser instrument 13 and be used for cooling down described CO2The water cooling plant 12 of laser instrument 13.Described CO2The lower section of laser instrument 13 is provided with annular metal guipure 17, and the two ends of described annular metal guipure 17 are provided with driven pulley 18 and drive 19, and described drive 19 is driven by synchronous motor 14, and described driven pulley 18 and drive 19 are arranged on fixed support 10.The lower section of described annular metal guipure 17 is provided with air draught storehouse 15, and described air draught storehouse 15 is connected with blower fan 16.Described laser cutting machine also includes controlling described synchronous motor and CO2The controller of laser instrument.Described rewinding unit 3 includes product collector 32, garbage collector 33 and the trash discharge device 34 being connected with motor 31.In the present embodiment, the operating of synchronous motor 14, drive drive 19 rotate, make metal mesh belt 17 rotate around driven pulley 18 and drive 19, and can by controller control metal mesh belt rotating speed with CO2The cutting operation of laser instrument synchronizes;When blower fan 16 works, in making air draught storehouse 15, produce negative pressure, will treat that reflective tape adsorbs on metal mesh belt 17.
In the present embodiment, described stainless steel tube CO2Laser instrument includes the sealing stainless steel tube as negative pole and shell body;One end soldering of described sealing stainless steel tube has total reflective mirror pedestal, and described total reflective mirror pedestal is provided with total reflective mirror;The other end soldering of described sealing stainless steel tube has outgoing mirror pedestal, and described outgoing mirror pedestal is provided with outgoing mirror;Described sealing rustless steel inner coaxial tube be provided with interior discharge tube, described interior discharge tube is provided with sparking electrode.Described stainless steel tube has double-deck inwall, has water-cooling sandwich between described inwall;Described interior discharge tube has double-deck inwall, has water-cooling sandwich between described inwall.Described stainless steel tube CO2The power of laser instrument is 100~500W, preferably 200W.Use stainless steel material to be possible not only to improve mechanical strength as shell in the present embodiment, and be conducive to heat radiation, work efficiency can be improved.
In the present embodiment, described metal mesh belt needs to have concurrently good tensile property, toughness, and surface needs to have high rigidity, resistance to heat affecting concurrently, to improve the service life of metal mesh belt and to improve the surface quality of reflective tape.It addition, in order to prevent reflective tape from skidding, its surface needs certain surface roughness.From economic considerations, described metal mesh belt is preferably cast iron guipure.Specifically, described cast iron guipure comprises the Mg of the Zr of the Ti of the Cu of Mo, 0.60-1.0wt%, 0.05~0.15wt%, 0.01~0.05wt%, 0.02~0.05wt% of Mn, 0.02-0.10wt% of Si, 0-0.8wt% of C, 2.5-3.5wt% of 3.1-3.8wt%, the P of below 0.10wt%, the S of below 0.05wt%, and the Fe of surplus and inevitable impurity.The content of described Mo is preferably the Mo of 0.02-0.08wt%.In the present embodiment, C is the important element forming graphite cast iron, be conducive to taking into account tensile strength and ductility in the range of 3.1-3.8wt% by the content of C, if the content of C is more than 3.8wt%, plasticity and processability will be caused to reduce, if and the content of C is less than 3.1wt%, it will cause intensity not enough.The addition of Si is not only necessary to formation spheroidal graphite cast-iron, and the addition of Si is also beneficial to improve thermostability and the oxidative resistance of spheroidal graphite cast-iron.When the content of Si is less than 2.5wt%, it will cause the thermostability of cast iron and oxidative resistance to significantly reduce, and when the content of Si is more than 3.5wt%, the ferritic phase of matrix will become fragile, and causes ductility to deteriorate.Mn is the effective element of sulphur removal, if but the addition of Mn is more than the toughness that may affect cast iron during 0.8wt%.Although Mo can be obviously improved oxidative resistance and be effectively improved intensity, but the membership that adds of Mo causes processability to significantly reduce, and also results in ductility reduction.Therefore, in the present embodiment the addition of Mo is strictly limited in below 0.10wt%, preferably below 0.08wt%;In order to improve intensity, and resistance to elevated temperatures, wherein contain the Ti of the Cu of 0.60-1.0wt%, 0.05~0.15wt%, with 0.01~0.05wt% Zr, especially meet when the weight percentage of Cu, Ti and Zr: during 4.2≤[Cu]/([Ti]+2 [Zr])≤5.0, both can obtain good thermostability and oxidative resistance, and high-strength and good processability can also have been had concurrently.P and S is the impurity element in cast iron, when the content of P is more than 0.1wt%, is susceptible to embrittlement, and when the content of S is more than 0.05wt%, thermal stress will likely result in brittle cracking.As exemplarily, the raw material prepared use intermediate frequency furnace is carried out melting, and smelting temperature is 1500~1550 DEG C, is placed on bottom ladle by nodulizer (Fe-Si-Mg alloy), making molten iron convection current carry out spheroidising, the time of spheroidising is preferably 3~5 minutes;The cast iron obtained after cast was 720-850 DEG C of stove inside holding 2.0~3.0 hours, and then stove is cooled to 500~600 DEG C and is incubated 8.0~10.0 hours, and air cooling is to room temperature.Following present as example and the composition of the spheroidal graphite cast-iron of comparative example, as shown in table 1.
Table 1wt%
C | Si | Mn | Mo | Cu | Ti | Zr | Mg | P | S | Cr | |
Example 1 | 3.11 | 3.27 | 0.59 | 0.08 | 0.95 | 0.10 | 0.02 | 0.03 | 0.035 | 0.005 | - |
Example 2 | 3.32 | 3.12 | 0.67 | 0.05 | 0.88 | 0.10 | 0.04 | 0.03 | 0.032 | 0.012 | - |
Example 3 | 3.59 | 3.42 | 0.72 | 0.06 | 0.82 | 0.12 | 0.03 | 0.03 | 0.028 | 0.008 | - |
Example 4 | 3.71 | 2.81 | 0.49 | 0.06 | 0.85 | 0.12 | 0.03 | 0.03 | 0.030 | 0.008 | - |
Comparative example 1 | 3.32 | 3.12 | 0.68 | 0.05 | 0.88 | 0.18 | - | 0.03 | 0.030 | 0.010 | - |
Comparative example 2 | 3.59 | 3.41 | 0.72 | 0.06 | 0.82 | - | 0.09 | 0.03 | 0.025 | 0.005 | - |
Comparative example 3 | 3.58 | 3.42 | 0.72 | 0.06 | - | 0.12 | 0.03 | 0.03 | 0.028 | 0.008 | 0.85 |
Comparative example 4 | 3.32 | 3.12 | 0.67 | 0.05 | 0.88 | 0.05 | 0.04 | 0.03 | 0.032 | 0.010 | - |
Comparative example 5 | 3.32 | 3.12 | 0.67 | 0.05 | 0.88 | 0.15 | 0.06 | 0.03 | 0.032 | 0.010 | - |
At room temperature measuring the tensile strength (MPa) of cast iron sample, percentage elongation (%) that example 1-4, comparative example 1-5 obtain, above-mentioned measurement result is as shown in table 2.
Table 2
In order to improve mar proof and the oxidative resistance of cast iron belt surface, described cast iron guipure also needs to carry out surface modification treatment.As preferably, described cast iron guipure carries out plasma treatment in a vacuum chamber, and the temperature of described plasma treatment is 150~350 DEG C, and plasma power is 2.5kW, O2Flow is 15~20sccm, N2Flow is 30~50sccm, the process time is 25~30min, after surface modification treatment, away from the distance range from surface 5 μm, the mol ratio of [N]/[O] is between 2: 1~3: 1, and the mol ratio at distance [N]/[O] from surface 10 μm is less than 1.5: 1.After above-mentioned modification, HRC hardness can reach 49~52, and surface roughness is 1.0~2.0 μm.If only carrying out nitriding or oozing oxygen process, its case hardness only can reach 40~45.Additionally, if from the mol ratio of distance [N]/[O] of surface 10 μm more than more than 1.5: 1 time, the heatproof oxidation performance causing cast iron guipure is drastically reduced (showing as the gain in weight so that cast iron sample keeps 24 hours under the air conditions of 1000 DEG C significantly to rise).
For the ordinary skill in the art; the present invention is simply exemplarily described by specific embodiment; obviously the present invention implements and is not subject to the restrictions described above; if the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme; or the most improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.
Claims (9)
1. a reflective tape laser cutting machine, including CO2Laser instrument and be used for cooling down described CO2The water cooling plant of laser instrument;Described CO2The lower section of laser instrument is provided with annular metal guipure, and the two ends of described annular metal guipure are provided with driven pulley and drive, and described drive passes through synchronous machine drives;The lower section of described annular metal guipure is provided with air draught storehouse, and described air draught storehouse is connected with blower fan;It is characterized in that: described CO2Laser instrument is stainless steel tube CO2Laser instrument.
Reflective tape laser cutting machine the most according to claim 1, it is characterised in that: also include blowing unit and rewinding unit.
Reflective tape laser cutting machine the most according to claim 1, it is characterised in that: described laser cutting machine also includes controlling described synchronous motor and CO2The controller of laser instrument.
Reflective tape laser cutting machine the most according to claim 1, it is characterised in that: described rewinding unit includes product collector, garbage collector and the trash discharge device being connected with motor.
Reflective tape laser cutting machine the most according to claim 1, it is characterised in that: described stainless steel tube CO2Laser instrument includes the sealing stainless steel tube as negative pole and shell body;One end soldering of described sealing stainless steel tube has total reflective mirror pedestal, and described total reflective mirror pedestal is provided with total reflective mirror;The other end soldering of described sealing stainless steel tube has outgoing mirror pedestal, and described outgoing mirror pedestal is provided with outgoing mirror;Described sealing rustless steel inner coaxial tube be provided with interior discharge tube, described interior discharge tube is provided with sparking electrode.
Reflective tape laser cutting machine the most according to claim 5, it is characterised in that: described stainless steel tube has double-deck inwall, has water-cooling sandwich between described inwall;Described interior discharge tube has double-deck inwall, has water-cooling sandwich between described inwall.
Reflective tape laser cutting machine the most according to claim 5, it is characterised in that: described stainless steel tube CO2The power of laser instrument is 100~500W.
Reflective tape laser cutting machine the most according to claim 1, it is characterized in that: described metal mesh belt is cast iron guipure, described cast iron guipure comprises the Mg of the Zr of the Ti of the Cu of Mo, 0.60-1.0wt%, 0.05~0.15wt%, 0.01~0.05wt%, 0.02~0.05wt% of Mn, 0.02-0.10wt% of Si, 0-0.8wt% of C, 2.5-3.5wt% of 3.1-3.8wt%, the P of below 0.10wt%, the S of below 0.05wt%, and the Fe of surplus and inevitable impurity.
Reflective tape laser cutting machine the most according to claim 8, it is characterized in that: described cast iron guipure carries out plasma modification process in a vacuum chamber, after surface modification treatment, away from the distance range from surface 5 μm, the mol ratio of [N]/[O] is between 2: 1~3: 1, and the mol ratio at distance [N]/[O] from surface 10 μm is less than 1.5: 1.
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JPH09239576A (en) * | 1996-03-04 | 1997-09-16 | Tanaka Seisakusho Kk | Laser beam machining equipment |
CN1190047A (en) * | 1997-02-06 | 1998-08-12 | 松下电器产业株式会社 | Laser processing device and method |
CN1659750A (en) * | 2002-04-02 | 2005-08-24 | 三菱电机株式会社 | Laser processing system and laser processing method |
CN1890611A (en) * | 2003-12-02 | 2007-01-03 | 佳能电子株式会社 | Metallic belt, fixing belt, and thermal fixing device |
CN2860712Y (en) * | 2005-07-27 | 2007-01-24 | 北京工业大学 | High-power solid laser plane cutter |
CN103658995A (en) * | 2012-09-05 | 2014-03-26 | 佛山市嘉峻制衣有限公司 | Laser cutting machine for reflective strip production |
CN105026331A (en) * | 2013-03-01 | 2015-11-04 | 法国圣戈班玻璃厂 | Method for heat-treating a coating |
-
2016
- 2016-05-01 CN CN201610293567.1A patent/CN105817771B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0352738A1 (en) * | 1988-07-28 | 1990-01-31 | Japan Tobacco Inc. | Perforating apparatus for web |
JPH09239576A (en) * | 1996-03-04 | 1997-09-16 | Tanaka Seisakusho Kk | Laser beam machining equipment |
CN1190047A (en) * | 1997-02-06 | 1998-08-12 | 松下电器产业株式会社 | Laser processing device and method |
CN1659750A (en) * | 2002-04-02 | 2005-08-24 | 三菱电机株式会社 | Laser processing system and laser processing method |
CN1890611A (en) * | 2003-12-02 | 2007-01-03 | 佳能电子株式会社 | Metallic belt, fixing belt, and thermal fixing device |
CN2860712Y (en) * | 2005-07-27 | 2007-01-24 | 北京工业大学 | High-power solid laser plane cutter |
CN103658995A (en) * | 2012-09-05 | 2014-03-26 | 佛山市嘉峻制衣有限公司 | Laser cutting machine for reflective strip production |
CN105026331A (en) * | 2013-03-01 | 2015-11-04 | 法国圣戈班玻璃厂 | Method for heat-treating a coating |
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