CN104195543A - In-light coaxial composite wire-feeding and powder-feeding laser cladding system - Google Patents
In-light coaxial composite wire-feeding and powder-feeding laser cladding system Download PDFInfo
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- CN104195543A CN104195543A CN201410406113.1A CN201410406113A CN104195543A CN 104195543 A CN104195543 A CN 104195543A CN 201410406113 A CN201410406113 A CN 201410406113A CN 104195543 A CN104195543 A CN 104195543A
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Abstract
The invention discloses an in-light coaxial composite wire-feeding and powder-feeding laser cladding system which comprises an energy supply system, a CNC control platform (21), a numerically-controlled rotary table (22), a feeding device and a nitrogen preparation system (40), wherein the feeding device comprises a device (31) for wire-feeding and powder-feeding composite laser cladding formation; the feeding device further comprises a powder feeder (32) and a wire feeding system (33) which are connected with the device (31) for wire-feeding and powder-feeding composite laser cladding formation; the energy supply system is connected with the device (31) for wire-feeding and powder-feeding composite laser cladding formation; the device (31) for wire-feeding and powder-feeding composite laser cladding formation is positioned above the numerically-controlled rotary table (22); and the nitrogen preparation system (40) is connected with the device (31) for wire-feeding and powder-feeding composite laser cladding formation. By adopting the technical scheme, a laser cladding method can be used in practical production.
Description
Technical field:
The present invention relates to laser cladding apparatus, in particular to coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light.
Background technology:
Laser melting coating is a kind of new process for modifying surface, this technology is with different adding material modes, to place selecteed coated material on by cladding matrix surface to make it to melt with matrix surface skim through laser irradiation simultaneously, and it is extremely low after rapid solidification, to form extent of dilution, become the top coat of metallurgical binding with matrix, significantly improve the processing method of wear-resisting, anti-corrosion, heat-resisting, the anti-oxidant and electrical specification of substrate surface.The gordian technique of this processing method is synchronous feeding technology, be about to laser and by melt material synchronous transmission to shaping position, and metallic substance is put on machined surface continuously, accurately, equably by desired trajectory, do in the focal beam spot of scanning motion, realize light material and be accurately coupled.
Application number 201010017158.1, the disclosure of the invention in January 9 2010 applying date a kind of welding wire sending and pulverized solder sending laser cladding forming method and device, be primarily characterized in that: pass through light chopper, with conscope, by the solid transforming laser of laser apparatus transmitting, be annular beam, with ring focusing mirror, focus on and become ring cone-shaped beam again, in ring cone-shaped beam, form a tapered hollow no light zone, powder feeding wire feed and protection gas combining nozzle be placed in this no light zone in and with encircle cone-shaped beam coaxial line, wire feed hole is placed in the middle, parallel powder feeding hole surrounds wire feed hole, the parallel encirclement powder feeding hole of collimation protection pore, silk material is coaxially sent into molten bath perpendicular to machined surface by wire feed hole and light beam, gas carries powder synchronously sends into molten bath by powder feeding hole, collimation protection gas bag encloses powder Shu Pinghang and blows to molten bath.This invention also discloses a kind of device of welding wire sending and pulverized solder sending laser cladding forming, comprise cylindrical shell, described cylindrical shell top offers light inlet, described cylindrical shell below is provided with lower tapered sleeve, its below offers light-emitting window, in described inner barrel, the heart channel of Hang-Shaoyin bracing frame is fixed with conscope, its minute surface is towards light inlet, on described cylinder inboard wall, be fixed with ring focusing mirror, its minute surface is relative with described conscope minute surface, described conscope, bracing frame and ring focusing mirror are coaxial with light inlet and the light-emitting window of cylindrical shell, support frame as described above below is fixed with bean vermicelli gas combining nozzle, described bean vermicelli gas combining nozzle is three-layer composite structure, internal layer is wire-feeding pipe, middle layer is powder conveying pipe, skin is induction pipe, three's outlet is parallel to each other, described bean vermicelli gas combining nozzle is coaxial with described conscope and ring focusing mirror.By the device of described welding wire sending and pulverized solder sending laser cladding forming, realized bean vermicelli gas composite cladding, metallic substance is put on machined surface continuously, accurately, equably and by desired trajectory, done in the focal beam spot of scanning motion, realize light material and be accurately coupled.
But, foregoing invention has only been to provide a kind of method of laser melting coating, and the undeclared aforesaid method that how specifically to use in real production, although foregoing invention also discloses a kind of device of welding wire sending and pulverized solder sending laser cladding forming, but, only rely on this device to be also not enough to the method for above-mentioned laser melting coating to apply in real production.
Summary of the invention:
Technical problem solved by the invention: application number 201010017157.7, the disclosed content of invention in January 9 2010 applying date is not enough to the explanation the method how described light of concrete utilization, powder, gas coaxial transmission laser cladding forming are manufactured in real production.
The invention provides following technical scheme: coaxial compound wire feed in a kind of light, powder-feeding laser melting-painting system, comprise energy supply system, CNC supervisory control desk and numerical control table, NC table, pay-off, nitrogen preparation system, described pay-off comprises the device of welding wire sending and pulverized solder sending laser cladding forming, described pay-off also comprises the powder feeder being connected with the device of described welding wire sending and pulverized solder sending laser cladding forming, wire feed system, described energy supply system is connected with the device of described welding wire sending and pulverized solder sending laser cladding forming, the device of described welding wire sending and pulverized solder sending laser cladding forming is positioned at numerical control table, NC table top, described nitrogen preparation system is connected with the device of welding wire sending and pulverized solder sending laser cladding forming.
By technique scheme, energy supply system produces laser, and laser is sent into the device of described welding wire sending and pulverized solder sending laser cladding forming, simultaneously, powder feeder, wire feed system are sent into cladding material in the device of described welding wire sending and pulverized solder sending laser cladding forming, and nitrogen preparation system is sent into nitrogen in the device of described welding wire sending and pulverized solder sending laser cladding forming.The device of the described welding wire sending and pulverized solder sending laser cladding forming invention of the number of being applied 201010017157.7 is disclosed, device through described welding wire sending and pulverized solder sending laser cladding forming is processed, the laser of sending into wherein becomes ring cone-shaped beam, in ring cone-shaped beam, form a tapered hollow no light zone, powder feeding wire feed and nitrogen combining nozzle be placed in this no light zone and with ring cone-shaped beam coaxial line, wire feed hole is placed in the middle, parallel powder feeding hole surrounds wire feed hole, the parallel encirclement powder feeding hole of nitrogen pore, silk material is coaxially sent into molten bath perpendicular to machined surface by wire feed hole and light beam, gas carries powder synchronously sends into molten bath by powder feeding hole, nitrogen surrounds powder Shu Pinghang and blows to molten bath.Wherein, described molten bath is positioned on the processed object on numerical control table, NC table.By technique scheme, the laser cladding method described in the invention of application number 201010017157.7 can be applied in real production.
As of the present invention, further illustrate, described energy supply system comprises laser apparatus, water cooling unit and a cooling water channel, reflective light path, the laser that described laser apparatus produces enters the device of described welding wire sending and pulverized solder sending laser cladding forming through reflective light path, described water cooling unit is lowered the temperature to the device of described laser apparatus, reflective light path, welding wire sending and pulverized solder sending laser cladding forming by cooling water channel.Described laser apparatus is the GS-TFL-10KW high power transverse flow CO of the triumphant laser of Wuhan metal and stone company limited development
2laser apparatus, it is a kind of gas crossing current Rapid Circulation flowing laser that adopts needle plate electric discharge, has that power is high, efficiency is high, the life-span is long, good beam quality, good stability, compact construction, cost of use is low and the advantage such as easy to maintenance.Its support equipment comprises water cooling unit, reflective light path and cooling water channel.Laser apparatus is in operational process, in laser apparatus, some devices such as total reflective mirror and outgoing mirror can produce a large amount of heat, and the reflecting optics of the light chopper eyeglass of the device inside of described welding wire sending and pulverized solder sending laser cladding forming and outside etc. also can produce a large amount of heats, therefore must to these positions, carry out cooling with cooling circulating water.Described water cooling unit and cooling water channel are the refrigeration heat-exchange equipment that aims at high power laser heat extraction that Wuhan unity laser complete equipment company limited manufactures and designs.This cooling unit provides the cooling temperature of circulating water of laser apparatus can regulate arbitrarily between 8-12 degree.
As of the present invention, further illustrate, described CNC worktable comprises a set of CNC control unit, a six-axle five-linkage machining tool.Described CNC control unit is PMAC digital control system, and the range of directions X is 1500mm, Y-axis range 800mm.The servo controlling card that described lathe adopts is PMAC card, it be the employing advanced person that releases of the Delta Tau company of famous American Digital Signal Processing the 4th generation transmission control device, there is fast response time, precision is high, the construction cycle is short, programming and feature simple to operate, in developed country, be widely used in robot, numerically-controlled machine etc. need on the high-precision servo device of multiaxis control.Six-axle five-linkage numerical control table, NC table is the vertical sleeping rotary table of TSL400 type that Yantai Machine Tool Fitting Factory produces, mesa diameter 400mm.The repetitive positioning accuracy of this numerical control table, NC table is 6/10000mm.
As of the present invention, further illustrate, described nitrogen preparation system comprises compressor, the Nitrogen plant being connected with compressor, the gas-holder being connected with Nitrogen plant.N
2be a kind of non-combustion-supporting gas, in air, contain in a large number N
2, take relatively cheap.Nitrogen gas generating system is mainly comprised of air compressor, food Nitrogen plant, gas-holder.Food Nitrogen plant can extract airborne N
2, make its purity reach 99.5%, can meet experiment needs completely.N
2use in whole system, have two effects, the one, as protection gas, play the provide protection to optical mirror slip group.The 2nd, as powder feeding carrier gas, because use N
2this incombustible gas, as carrier gas, can reduce harmful smog and combustion flame that powder and lasing produce, thereby guarantees the quality of cladding layer.
As of the present invention, further illustrate, described wire feed system comprises wire feeding machine and wire feed housing, and described wire feeding machine comprises wire convey soft pipe.Preferably, described wire feeding machine comprises straightening device.In order to guarantee continuity, adjustability, the stability of wire feed process, realize the requirement of experiment, the wire feeding machine that the present invention selects is the SB-10-D/TIG type wire feeding machine drive unit that Nantong Zhen Kang company limited manufactures.The velocity range of wire feed is 1.5-15m/min, and the diameter range of silk material is 0.8/1.0/1.2.Course of conveying wiry requires continuously, and steadily, linearity wiry is controlled most important for how much wiry, can have important impact to the surface quality of cladding, and this just requires wire must pass through alignment.Therefore, straightening device is housed in wire feeding machine especially, the wire of process alignment is transported to combining nozzle position by wire-feeding pipe.Nozzle has guide effect, directly wire is input to molten bath.The adjusting of wire feed speed is realized by wire feed housing, and housing changes the voltage of being defeated by direct-current motor by potentiometer with switch, utilizes the variation of voltage to carry out speed governing to direct-current motor.In the present invention, do not have the impact on quality of cladding layer of wire feed direction, position and angle, so wire feed speed just becomes and affect one of key factor of cladding quality, the control of wire feed speed is just seemed to particularly important.
As of the present invention, further illustrate, described powder feeder is two-tube carrier gas powder feeder.The present invention adopts the two-tube carrier gas powder feeder of DPSF-2, and this powder feeder is quantitative by sending disk of powder, and transmission mechanism is mainly powder feeding motor and sending disk of powder.Powder in storage powder cylinder drops in the groove of sending disk of powder by self gravitation by powder inlet, the uniform rotation of powder feeding driven by motor sending disk of powder, powder in sending disk of powder groove arrives after gear powder agglomates, by powder feeding carrier gas, is driven and is entered powder conveying pipe by powder delivery joint, and carrier gas powder arrives process zone along from outside tube cell.Dispersing of this powder feeder powder stream is little, and directivity is good especially, can meet the requirement of rapid shaping.Powder sending quantity and powder travelling speed can be by regulating powder feeding motor speed and carrier gas flux size to realize.Because it has small one and large one two storage powder cylinders, therefore can realize two kinds of different powder and carry simultaneously.
Accompanying drawing explanation:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is the structure of coaxial compound wire feed in a kind of light of the present invention, powder-feeding laser melting-painting system
Schematic diagram.
Nomenclature in figure:
11-laser apparatus; 12-water cooling unit; The reflective light path of 13-;
21-CNC supervisory control desk; 22-numerical control table, NC table;
The device of 31-welding wire sending and pulverized solder sending laser cladding forming; 32-powder feeder; 33-wire feed system;
40-nitrogen preparation system.
Embodiment:
As shown in Figure 1, coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light, comprise: laser apparatus 11, water cooling unit 12 and a cooling water channel, reflective light path 13, CNC supervisory control desk 21 and numerical control table, NC table 22, the device 31 of welding wire sending and pulverized solder sending laser cladding forming, powder feeder 32, wire feed system 33, nitrogen preparation system 40.
The device 31 of described reflective light path 13 connecting lasers 11 and welding wire sending and pulverized solder sending laser cladding forming.Wherein, described laser apparatus 11 is the GS-TFL-10KW high power transverse flow CO of the triumphant laser of Wuhan metal and stone company limited development
2laser apparatus.
Described water cooling unit 12 is lowered the temperature to the device 31 of described laser apparatus 11, reflective light path 13, welding wire sending and pulverized solder sending laser cladding forming by cooling water channel.Wherein, described water cooling unit and cooling water channel are the refrigeration heat-exchange equipment that aims at high power laser heat extraction that Wuhan unity laser complete equipment company limited manufactures and designs.
Described powder feeder 32, wire feed system 33, nitrogen preparation system 40 are connected with the device 31 of described welding wire sending and pulverized solder sending laser cladding forming.Wherein, described powder feeder 32 is the two-tube carrier gas powder feeder of DPSF-2.Described wire feed system 33 comprises wire feeding machine and wire feed housing, described wire feeding machine comprises wire convey soft pipe, straightening device, described wire feeding machine is the SB-10-D/TIG type wire feeding machine drive unit that Nantong Zhen Kang company limited manufactures, the velocity range of wire feed is 1.5-15m/min, and the diameter range of silk material is 0.8/1.0/1.2.Described nitrogen preparation system 40 comprises compressor, the food Nitrogen plant being connected with compressor, the gas-holder being connected with food Nitrogen plant.
The device 31 of described welding wire sending and pulverized solder sending laser cladding forming is positioned at numerical control table, NC table 22 tops.Wherein, described numerical control table, NC table 22 comprises a set of CNC control unit, a six-axle five-linkage machining tool.Described CNC control unit is PMAC digital control system, and the range of directions X is 1500mm, Y-axis range 800mm.The servo controlling card that described lathe adopts is PMAC card.Six-axle five-linkage numerical control table, NC table is the vertical sleeping rotary table of TSL400 type that Yantai Machine Tool Fitting Factory produces, mesa diameter 400mm.The repetitive positioning accuracy of this numerical control table, NC table is 6/10000mm.
Above content is only better embodiment of the present invention, for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, and this description should not be construed as limitation of the present invention.
Claims (7)
1. coaxial compound wire feed in a light, powder-feeding laser melting-painting system, comprise energy supply system, CNC supervisory control desk (21) and numerical control table, NC table (22), pay-off, nitrogen preparation system (40), described pay-off comprises the device (31) of welding wire sending and pulverized solder sending laser cladding forming, it is characterized in that: described pay-off also comprises the powder feeder (32) being connected with the device (31) of described welding wire sending and pulverized solder sending laser cladding forming, wire feed system (33), described energy supply system is connected with the device (31) of described welding wire sending and pulverized solder sending laser cladding forming, the device of described welding wire sending and pulverized solder sending laser cladding forming (31) is positioned at numerical control table, NC table (22) top, described nitrogen preparation system (40) is connected with the device (31) of described welding wire sending and pulverized solder sending laser cladding forming.
2. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 1, it is characterized in that: described energy supply system comprises a laser apparatus (11), water cooling unit (12) and cooling water channel, reflective light path (13), the laser that described laser apparatus (11) produces enters the device (31) of described welding wire sending and pulverized solder sending laser cladding forming through reflective light path (13), described water cooling unit (12) is lowered the temperature to the device (31) of described laser apparatus (11), reflective light path (13), welding wire sending and pulverized solder sending laser cladding forming by cooling water channel.
3. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 1, is characterized in that: described numerical control table, NC table (22) comprises a set of CNC control unit, a six-axle five-linkage machining tool.
4. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 1, is characterized in that: described nitrogen preparation system (40) comprises compressor, the Nitrogen plant being connected with compressor, the gas-holder being connected with Nitrogen plant.
5. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 1, is characterized in that: described wire feed system (33) comprises wire feeding machine and wire feed housing, and described wire feeding machine comprises wire convey soft pipe.
6. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 5, is characterized in that: described wire feeding machine comprises straightening device.
7. coaxial compound wire feed, powder-feeding laser melting-painting system in a kind of light as claimed in claim 1, is characterized in that: described powder feeder (32) is two-tube carrier gas powder feeder.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410406113.1A CN104195543A (en) | 2014-08-18 | 2014-08-18 | In-light coaxial composite wire-feeding and powder-feeding laser cladding system |
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| CN201410406113.1A CN104195543A (en) | 2014-08-18 | 2014-08-18 | In-light coaxial composite wire-feeding and powder-feeding laser cladding system |
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| CN201410406113.1A Pending CN104195543A (en) | 2014-08-18 | 2014-08-18 | In-light coaxial composite wire-feeding and powder-feeding laser cladding system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451670A (en) * | 2014-12-15 | 2015-03-25 | 中国民航大学 | Anti-oxidation experimental system for preparing nitrogen at room temperature during laser cladding |
| CN104651833A (en) * | 2015-03-18 | 2015-05-27 | 苏州大学 | Repairing method and device for concave-convex defect of inside-laser powder feeding cladding |
| CN104962906A (en) * | 2015-06-25 | 2015-10-07 | 江苏斯普瑞科技有限公司 | Power-driven laser field repair system |
| CN105499791A (en) * | 2015-12-22 | 2016-04-20 | 中国航空工业集团公司北京航空制造工程研究所 | Split laser focusing and coaxial fusing laser head and coaxial laser fused modeling device |
| CN106312304A (en) * | 2016-11-01 | 2017-01-11 | 苏州大学 | Laser-cladding feeding device |
| CN106392314A (en) * | 2016-11-01 | 2017-02-15 | 苏州大学 | Laser cladding feeding device |
| CN109530918A (en) * | 2018-12-28 | 2019-03-29 | 西安增材制造国家研究院有限公司 | One kind is based on coaxial wire feed increasing material manufacturing system and forming method in laser light |
| CN110129793A (en) * | 2019-06-10 | 2019-08-16 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser cladding apparatus |
| CN110587139A (en) * | 2019-10-09 | 2019-12-20 | 西安增材制造国家研究院有限公司 | Coaxial wire and powder feeding printing nozzle and additive manufacturing device for arc laser |
| CN112743244A (en) * | 2021-01-05 | 2021-05-04 | 兰州理工大学 | Laser coaxial powder feeding and welding wire coupling welding device and method |
| CN112743245A (en) * | 2021-01-05 | 2021-05-04 | 兰州理工大学 | Laser coaxial powder feeding and hot wire coupling welding device and method |
| CN114042932A (en) * | 2021-10-28 | 2022-02-15 | 中北大学 | Laser metal gradient additive manufacturing device based on combination of wire and powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451670A (en) * | 2014-12-15 | 2015-03-25 | 中国民航大学 | Anti-oxidation experimental system for preparing nitrogen at room temperature during laser cladding |
| CN104451670B (en) * | 2014-12-15 | 2017-02-22 | 中国民航大学 | Anti-oxidation experimental system for preparing nitrogen at room temperature during laser cladding |
| CN104651833B (en) * | 2015-03-18 | 2017-08-29 | 苏州大学 | The restorative procedure and prosthetic device of laser inner-light powder-supplying cladding bumps defect |
| CN104651833A (en) * | 2015-03-18 | 2015-05-27 | 苏州大学 | Repairing method and device for concave-convex defect of inside-laser powder feeding cladding |
| CN104962906A (en) * | 2015-06-25 | 2015-10-07 | 江苏斯普瑞科技有限公司 | Power-driven laser field repair system |
| CN104962906B (en) * | 2015-06-25 | 2017-11-10 | 江苏斯普瑞科技有限公司 | A kind of power drive laser field-repair system |
| CN105499791A (en) * | 2015-12-22 | 2016-04-20 | 中国航空工业集团公司北京航空制造工程研究所 | Split laser focusing and coaxial fusing laser head and coaxial laser fused modeling device |
| CN106312304A (en) * | 2016-11-01 | 2017-01-11 | 苏州大学 | Laser-cladding feeding device |
| CN106392314A (en) * | 2016-11-01 | 2017-02-15 | 苏州大学 | Laser cladding feeding device |
| CN106392314B (en) * | 2016-11-01 | 2018-05-22 | 苏州大学 | Laser melting coating feed device |
| CN109530918A (en) * | 2018-12-28 | 2019-03-29 | 西安增材制造国家研究院有限公司 | One kind is based on coaxial wire feed increasing material manufacturing system and forming method in laser light |
| CN110129793A (en) * | 2019-06-10 | 2019-08-16 | 陕西天元智能再制造股份有限公司 | A kind of silk material laser cladding apparatus |
| CN110129793B (en) * | 2019-06-10 | 2021-09-07 | 陕西天元智能再制造股份有限公司 | Wire laser cladding device |
| CN110587139A (en) * | 2019-10-09 | 2019-12-20 | 西安增材制造国家研究院有限公司 | Coaxial wire and powder feeding printing nozzle and additive manufacturing device for arc laser |
| CN112743244A (en) * | 2021-01-05 | 2021-05-04 | 兰州理工大学 | Laser coaxial powder feeding and welding wire coupling welding device and method |
| CN112743245A (en) * | 2021-01-05 | 2021-05-04 | 兰州理工大学 | Laser coaxial powder feeding and hot wire coupling welding device and method |
| CN114042932A (en) * | 2021-10-28 | 2022-02-15 | 中北大学 | Laser metal gradient additive manufacturing device based on combination of wire and powder |
| CN114042932B (en) * | 2021-10-28 | 2024-02-06 | 中北大学 | Laser metal gradient additive manufacturing device based on wire-powder combination |
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Application publication date: 20141210 |
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