CN105803451A - Powder feeding device and using method thereof - Google Patents
Powder feeding device and using method thereof Download PDFInfo
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- CN105803451A CN105803451A CN201610157179.0A CN201610157179A CN105803451A CN 105803451 A CN105803451 A CN 105803451A CN 201610157179 A CN201610157179 A CN 201610157179A CN 105803451 A CN105803451 A CN 105803451A
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- regulating part
- adjustment
- powder
- laser
- dust feeder
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention relates to a powder feeding device and a using method thereof and belongs to the technical field of laser cladding. The powder feeding device comprises a fixing part and a powder feeding nozzle, wherein a regulation device is arranged between the fixing part and the powder feeding nozzle and is composed of a horizontal regulation part and a vertical regulation part; and the vertical regulation part is arranged in the horizontal regulation part. The powder feeding device is capable of regulating the distance between a powder outlet and the surface of a substrate, has the characteristics of high regulation accuracy, convenience and rapidness in operation, strong practicability and high economic benefit and is beneficial to improving the effective availability of cladding powder and the cladding quality.
Description
Technical field
The invention belongs to laser melting and coating technique field, relate in particular to a kind of dust feeder and using method thereof.
Background technology
Laser melting and coating technique is a kind of new process for modifying surface, by adding cladding material at substrate surface, and utilize high-energy-density laser beam so as to together with substrate surface thin layer the method for consolidation, at the filling cladding layer that substrate surface is formed with it is metallurgical binding, it is possible to significantly improve wear-resisting, anti-corrosion, heat-resisting, the antioxidation of substrate surface.
With built-up welding, spraying, plating and gas phase sedimentary facies ratio, laser melting coating has that dilution factor is little, dense structure, coating and body junction gets togather, many, the granularity that is suitable for cladding material and the feature such as changes of contents is big, and therefore, laser melting and coating technique application prospect is very wide.
At present, laser melting coating is roughly divided into preset laser cladding and synchronous mode laser melting coating by the supply mode of cladding material, and synchronous mode laser melting coating can be greatly improved cladding quality, reduces the dilution rate of cladding layer and the heat affecting of base material, it is easy to accomplish automatically control.But, the defect that most synchronous powder feeder exists that the effective rate of utilization of cladding powder is low, meal outlet and substrate surface distance cannot precisely be finely tuned, melting and coating process is had a negative impact.
Summary of the invention
All deficiencies for prior art, in order to solve the problems referred to above, a kind of distance that can regulate meal outlet and substrate surface is now proposed, there is the feature of degree of regulation height, simple operation, practical, high financial profit, be favorably improved the effective rate of utilization of cladding powder and the dust feeder of cladding quality and using method thereof.
For achieving the above object, the present invention provides following technical scheme:
A kind of dust feeder, including fixed part and powder-feeding mouth, is provided with adjustment device between described fixed part and powder-feeding mouth, described adjustment device includes horizontal adjustment section and vertical adjusting portion, and described vertical adjusting portion is positioned at inside horizontal adjustment section.
Further, described horizontal adjustment section includes adjustable plate and regulating part one, and described adjustable plate is set to concave inward structure, through hole it is provided with in the middle part of it, its frame place is provided with adjustment hole one, and the adjustment hole one on relative frame is correspondingly arranged, and it is internal that described regulating part one is positioned at adjustment hole one.
Further, described vertical adjusting portion includes adjustment barrel and sleeve successively, described adjustment barrel is set to T-type structure, its top is positioned at adjustable plate, and its periphery is provided with backing plate, and the top of described sleeve is positioned at inside adjustment barrel, it is connected with powder-feeding mouth bottom it, described backing plate is internally provided with hollow-core construction, the diameter of described hollow-core construction more than the minimum outer diameter of adjustment barrel, and less than adjustment barrel maximum outside diameter.
Further, described adjustment barrel being provided with regulating part two and adjustment hole two, it is internal that described regulating part two is positioned at adjustment hole two, and described sleeve is provided with slideway along its short transverse, and described regulating part two mates with slideway.
Further, described adjustment hole one and adjustment hole two place are provided with female thread, described regulating part one and regulating part two surface and are provided with the external screw thread mated with female thread.
Further, correspondence through hole, described adjustment barrel top is provided with protection eyeglass, and described protection eyeglass and sleeve inner are provided with cooling end, and described cooling end includes water inlet, outlet and cooling chamber, and described water inlet, outlet are connected with cooling chamber respectively.
Further, described powder-feeding mouth is set to pyramidal structure, described pyramidal structure be internally provided with laser channeling, the cone wall of described pyramidal structure is evenly arranged with at least two powder feeding passage, the angle of the axis of described powder feeding passage and the axis of laser channeling is 15-25 °, and the bottom of described powder feeding passage is provided with meal outlet.
Further, the angle that the cone wall of described pyramidal structure is additionally provided with cooling duct, the axis of described cooling duct and the axis of laser channeling is 15-25 °.
Further, described cooling duct includes the communicate intake tunnel arranged and exhalant canal, and the length of described cooling duct is set to 2/3-3/4 times of pyramidal structure bus length.
Separately, the present invention also provides for the using method of a kind of dust feeder, comprises the steps:
(1) regulating part one on the relative frame of adjustable plate described in adjusted in concert, drives described adjustment barrel to realize the movement of all directions inside hollow-core construction；
(2), after the described center of protection eyeglass and the center superposition of through hole, stop regulating described regulating part one；
(3) loosen described regulating part two, promote described regulating part two to slide up and down along slideway, change described meal outlet and substrate surface distance；
(4), when described meal outlet and substrate surface distance are for 1-1.5cm, described regulating part two is tightened；
(5) cooling water is passed into described water inlet, intake tunnel；
(6) being launched laser by laser instrument, described laser arrives substrate surface through laser channeling, and cladding powder arrives substrate surface through powder feeding passage, carries out laser melting coating.
The invention has the beneficial effects as follows:
1, the present invention is by the synergism of described horizontal adjustment section and vertical adjusting portion, regulates the distance of meal outlet and substrate surface, has flexibility ratio height, is favorably improved the feature of cladding quality.
2, the regulating part one on the relative frame of heretofore described adjustable plate is correspondingly arranged, and contributes to the displacement regulating described adjustment barrel in the internal all directions of hollow-core construction, has the feature of degree of regulation height, simple operation.
3, the present invention is by the synergism of described regulating part two with slideway, regulates the distance of meal outlet and substrate surface, it is to avoid repeats mobile dust feeder, has and effectively reduce labor intensity, practical feature.
4, the angle of powder feeding passage Yu laser channeling is carried out preferably by the present invention, both can guarantee that between powder feeding passage and laser channeling, there is certain spacing, reduce the probability that powder feeding pipe is burned, can guarantee that again laser spot and cladding powder converge in a bit, improve effective rate of utilization and the cladding quality of cladding powder.
5, the present invention is provided with protection eyeglass, effectively prevents the slag produced in cladding process to be splashed in laser instrument, it is to avoid each parts are caused damage, has and reduces maintenance and replacement cost, the feature increased economic efficiency.
6, the present invention is provided with cooling end, effectively reduces the damage that protection eyeglass, sleeve are caused by laser heat radiation, significantly improves the service life of each parts.
7, the length of cooling duct with the angle of laser channeling, cooling duct is carried out preferably by the present invention, contribute to the damage farthest reducing laser heat radiation to powder-feeding mouth, simultaneously, it is to avoid the heat produced in laser cladding process is passed up to each parts.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the adjustment device internal structure schematic diagram of the present invention；
Fig. 3 is the adjustment apparatus structure schematic diagram of the present invention；
Fig. 4 is the tube-in-tube structure schematic diagram of the present invention；
Fig. 5 is the powder-feeding mouth plan structure schematic diagram of the present invention；
Fig. 6 is the A-A cross-sectional view of the present invention；
Fig. 7 is the cooling end structural representation of the present invention.
In accompanying drawing: fixed part 1, horizontal adjustment section 2, vertical adjusting portion 3, powder-feeding mouth 4, adjustable plate 5, adjustment hole 1, regulating part 1, adjustment barrel 7, adjustment hole 2 71, sleeve 8, slideway 81, backing plate 9, hollow-core construction 91, protection eyeglass 10, powder feeding pipe 11, water inlet pipe 12, outlet pipe 13, laser channeling 14, regulating part 1, through hole 16, water inlet 17, outlet 18, cooling chamber 19, powder feeding passage 20, meal outlet 201, intake tunnel 21, exhalant canal 22.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme; accompanying drawing below in conjunction with the present invention; technical scheme is carried out clear, complete description; based on the embodiment in the application; other similar embodiment that those of ordinary skill in the art obtain under the premise not making creative work, all should belong to the scope of the application protection.
Embodiment one:
As shown in Figure 1, a kind of dust feeder, including fixed part 1 and powder-feeding mouth 4, being provided with adjustment device between described fixed part 1 and powder-feeding mouth 4, described adjustment device includes horizontal adjustment section 2 and vertical adjusting portion 3, and it is internal that described vertical adjusting portion 3 is positioned at horizontal adjustment section 2, synergism by described horizontal adjustment section 2 and vertical adjusting portion 3, regulating the distance of meal outlet 201 and substrate surface, have flexibility ratio height, be favorably improved the feature of cladding quality, described dust feeder is connected with laser instrument.
As shown in Figure 1-2, described horizontal adjustment section 2 includes adjustable plate 5 and regulating part 1, described adjustable plate 5 is set to concave inward structure, through hole 16 it is provided with in the middle part of it, its frame place is provided with adjustment hole 1, it is internal that described regulating part 1 is positioned at adjustment hole 1, and the adjustment hole 1 on relative frame is correspondingly arranged.
nullAs Figure 1-4，Described vertical adjusting portion 3 includes adjustment barrel 7 and sleeve 8 successively，It is internal that the top of described sleeve 8 is positioned at adjustment barrel 7，It is connected with powder-feeding mouth 4 bottom it，The top of described adjustment barrel 7 is positioned at adjustable plate 5，Described adjustment barrel 7 is set to T-type structure，Its periphery is provided with backing plate 9，Described backing plate 9 is connected with adjustable plate 5，Described backing plate 9 is internally provided with hollow-core construction 91，The diameter of described hollow-core construction 91 is more than the minimum outer diameter of adjustment barrel 7，And less than adjustment barrel 7 maximum outside diameter，The diameter of described hollow-core construction 91 and the minimum outer diameter of adjustment barrel 7、The difference of maximum outside diameter is 6-8mm，As preferably，Described diameter difference is 6mm、7mm、8mm，Regulate described regulating part 1，The relative position driving described adjustment barrel 7 and hollow-core construction 91 changes，Described adjustment barrel 7 planar all directions are promoted to produce displacement，There is degree of regulation height、The feature of simple operation.
Described adjustment barrel 7 is provided with regulating part 2 15 and adjustment hole 2 71, it is internal that described regulating part 2 15 is positioned at adjustment hole 2 71, described sleeve 8 is provided with slideway 81 along its short transverse, described regulating part 2 15 mates with slideway 81, synergism by described regulating part 2 15 with slideway 81, regulate the distance of meal outlet 201 and substrate surface, it is to avoid repeat mobile dust feeder, have and effectively reduce labor intensity, practical feature.
Described adjustment hole 1 and adjustment hole 2 71 place are provided with female thread, described regulating part 1 and regulating part 2 15 surface and are provided with the external screw thread mated with female thread.
As shown in Figure 2 and Figure 7, correspondence through hole 16 place, described adjustment barrel 7 top is provided with protection eyeglass 10, the slag produced in cladding process is effectively prevented to be splashed in laser instrument, avoid each parts are caused damage, there is reduction maintenance and replacement cost, the feature increased economic efficiency, described protection eyeglass 10 and sleeve 8 inside are provided with cooling end, described cooling end includes water inlet 17, outlet 18 and cooling chamber 19, described water inlet 17, outlet 18 is connected with cooling chamber 19 respectively, effectively reduce laser heat radiation to protection eyeglass 10, the damage that sleeve 8 causes, significantly improve the service life of each parts.
Embodiment two:
Such as Fig. 1, Fig. 2, shown in Fig. 5 and Fig. 6, described powder-feeding mouth 4 is set to pyramidal structure, described pyramidal structure be internally provided with laser channeling 14, the cone wall of described pyramidal structure is evenly arranged with at least two powder feeding passage 20, the bottom of described powder feeding passage 20 is provided with meal outlet 201, described powder feeding passage 20 is connected with powder feeding pipe 11, the angle of the axis of described powder feeding passage 20 and the axis of laser channeling 14 is 15-25 °, as preferably, described angle is 15 °, 20 °, 25 °, both can guarantee that between powder feeding passage 20 and laser channeling 14, there is certain spacing, reduce the probability that powder feeding pipe 11 is burned, can guarantee that again laser spot and cladding powder converge in a bit, improve effective rate of utilization and the cladding quality of cladding powder.
The cone wall of described pyramidal structure is additionally provided with cooling duct, described cooling duct includes the communicate intake tunnel 21 arranged and exhalant canal 22, described intake tunnel 21 is connected with water inlet pipe 12, described exhalant canal 22 is connected with outlet pipe 13, the angle of the axis of the axis of described cooling duct and laser channeling 14 is 15-25 °, as preferably, described angle is 15 °, 20 °, 25 °, and the length of described cooling duct is set to 2/3-3/4 times of pyramidal structure bus length, as preferably, the length of described cooling duct is set to 2/3 times of pyramidal structure bus length, 0.7 times, 3/4 times, contribute to the damage farthest reducing laser heat radiation to powder-feeding mouth 4, simultaneously, the heat produced in laser cladding process is avoided to be passed up to each parts.
Embodiment three:
As shown in figs. 1-7, described a kind of dust feeder, in specifically used process, comprises the steps:
(1) regulating part 1 on the relative frame of adjustable plate 5 described in adjusted in concert, wherein, one regulating part 1 performs to loosen operation, and another one corresponding thereto performs to tighten operation, drives described adjustment barrel 7 to realize the movement of all directions inside hollow-core construction 91；
(2) after the center of described protection eyeglass 10 and the center superposition of through hole 16, stop regulating described regulating part 1, it is ensured that laser spot and cladding powder converge in a bit, improve effective rate of utilization and the cladding quality of cladding powder；
(3) loosen described regulating part 2 15, promote described regulating part 2 15 to slide up and down along slideway 81, change described meal outlet 201 and substrate surface distance；
(4), when described meal outlet 201 and substrate surface distance are for 1-1.5cm, described regulating part 2 15 is tightened；
(5) in described water inlet 17, intake tunnel 21, cooling water is passed into；
(6) being launched laser by laser instrument, described laser via through holes 16 successively, protection eyeglass 10, laser channeling 14 arrive substrate surface, and cladding powder arrives substrate surface through powder feeding pipe 11, powder feeding passage 20, meal outlet 201 successively, carries out laser melting coating.
Below the present invention is described in detail, the above, it is only the preferred embodiments of the invention, when the scope of the present invention can not be limited, namely all done impartial change according to the application scope and modify, all should still belong in covering scope of the present invention.
Claims (10)
1. a dust feeder, including fixed part and powder-feeding mouth, it is characterised in that: being provided with adjustment device between described fixed part and powder-feeding mouth, described adjustment device includes horizontal adjustment section and vertical adjusting portion, and described vertical adjusting portion is positioned at inside horizontal adjustment section.
2. a kind of dust feeder according to claim 1, it is characterized in that: described horizontal adjustment section includes adjustable plate and regulating part one, described adjustable plate is set to concave inward structure, through hole it is provided with in the middle part of it, its frame place is provided with adjustment hole one, and relatively the adjustment hole one on frame is correspondingly arranged, it is internal that described regulating part one is positioned at adjustment hole one.
3. a kind of dust feeder according to claim 2, it is characterized in that: described vertical adjusting portion includes adjustment barrel and sleeve successively, described adjustment barrel is set to T-type structure, its top is positioned at adjustable plate, and its periphery is provided with backing plate, and the top of described sleeve is positioned at inside adjustment barrel, it is connected with powder-feeding mouth bottom it, described backing plate is internally provided with hollow-core construction, the diameter of described hollow-core construction more than the minimum outer diameter of adjustment barrel, and less than adjustment barrel maximum outside diameter.
4. a kind of dust feeder according to claim 3, it is characterized in that: described adjustment barrel is provided with regulating part two and adjustment hole two, it is internal that described regulating part two is positioned at adjustment hole two, and described sleeve is provided with slideway along its short transverse, and described regulating part two mates with slideway.
5. a kind of dust feeder according to claim 4, it is characterised in that: described adjustment hole one and adjustment hole two place are provided with female thread, described regulating part one and regulating part two surface and are provided with the external screw thread mated with female thread.
6. a kind of dust feeder according to claim 5; it is characterized in that: correspondence through hole, described adjustment barrel top is provided with protection eyeglass; described protection eyeglass and sleeve inner are provided with cooling end; described cooling end includes water inlet, outlet and cooling chamber, and described water inlet, outlet are connected with cooling chamber respectively.
7. a kind of dust feeder according to claim 6, it is characterized in that: described powder-feeding mouth is set to pyramidal structure, described pyramidal structure be internally provided with laser channeling, the cone wall of described pyramidal structure is evenly arranged with at least two powder feeding passage, the angle of the axis of described powder feeding passage and the axis of laser channeling is 15-25 °, and the bottom of described powder feeding passage is provided with meal outlet.
8. a kind of dust feeder according to claim 7, it is characterised in that: the angle being additionally provided with cooling duct, the axis of described cooling duct and the axis of laser channeling on the cone wall of described pyramidal structure is 15-25 °.
9. a kind of dust feeder according to claim 8, it is characterised in that: described cooling duct includes the communicate intake tunnel arranged and exhalant canal, and the length of described cooling duct is set to 2/3-3/4 times of pyramidal structure bus length.
10. the using method of the dust feeder adopted as described in claim 1-9 any one, it is characterised in that comprise the steps:
(1) regulating part one on the relative frame of adjustable plate described in adjusted in concert, drives described adjustment barrel to realize the movement of all directions inside hollow-core construction；
(2), after the described center of protection eyeglass and the center superposition of through hole, stop regulating described regulating part one；
(3) loosen described regulating part two, promote described regulating part two to slide up and down along slideway, change described meal outlet and substrate surface distance；
(4), when described meal outlet and substrate surface distance are for 1-1.5cm, described regulating part two is tightened；
(5) cooling water is passed into described water inlet, intake tunnel；
(6) being launched laser by laser instrument, described laser arrives substrate surface through laser channeling, and cladding powder arrives substrate surface through powder feeding passage, carries out laser melting coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157179.0A CN105803451A (en) | 2016-03-18 | 2016-03-18 | Powder feeding device and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610157179.0A CN105803451A (en) | 2016-03-18 | 2016-03-18 | Powder feeding device and using method thereof |
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| CN105803451A true CN105803451A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610157179.0A Pending CN105803451A (en) | 2016-03-18 | 2016-03-18 | Powder feeding device and using method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835125A (en) * | 2017-03-10 | 2017-06-13 | 浙江工业大学 | Connecting rod lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN110819985A (en) * | 2019-12-04 | 2020-02-21 | 丹阳市珠峰光电科技有限公司 | Full-water-cooling annular powder feeding high-speed laser cladding processing nozzle |
| CN114836751A (en) * | 2022-05-10 | 2022-08-02 | 西安交通大学 | Adjustable synchronous powder feeding device suitable for rectangular light spot high-speed cladding |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835125A (en) * | 2017-03-10 | 2017-06-13 | 浙江工业大学 | Connecting rod lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN110819985A (en) * | 2019-12-04 | 2020-02-21 | 丹阳市珠峰光电科技有限公司 | Full-water-cooling annular powder feeding high-speed laser cladding processing nozzle |
| CN114836751A (en) * | 2022-05-10 | 2022-08-02 | 西安交通大学 | Adjustable synchronous powder feeding device suitable for rectangular light spot high-speed cladding |
| CN114836751B (en) * | 2022-05-10 | 2023-08-15 | 西安交通大学 | Adjustable synchronous powder feeding device suitable for rectangular light spot high-speed cladding |
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Application publication date: 20160727 |