CN203422527U - Wideband laser cladding device - Google Patents
Wideband laser cladding device Download PDFInfo
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- CN203422527U CN203422527U CN201320425434.7U CN201320425434U CN203422527U CN 203422527 U CN203422527 U CN 203422527U CN 201320425434 U CN201320425434 U CN 201320425434U CN 203422527 U CN203422527 U CN 203422527U
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Abstract
The utility model discloses a wideband laser cladding device which is mainly composed of a light splitting prism and light condensing mirrors. According to the light splitting prism, two light splitting planes which are symmetrically arranged and intersect with each other by a certain angle to form a profile, and the two light splitting planes can symmetrically reflect an incident solid laser beam into two reversely-emergent laser beams. The two light condensing mirrors are respectively arranged opposite to the two light splitting planes of the light splitting prism and can respectively reflect the two laser beams reflected by the light splitting prism into parallel nearly-rectangular laser beams. The two nearly-rectangular laser beams get closer in the focusing stroke to form long and narrow focusing spots and to overlap in a focal plane. The wideband laser cladding device has large cladding width and high efficiency; a powder beam does not prematurely interfere with a light beam in the falling process, and reflection loss of the light beam is small; powders enter light in an accurate, straight, fine and stiff way and is uniform in distribution, small in diffusion and high in utilization rate; and the precision of coupling between powders and laser beams is high, round-stroke scanning and formation can be realized, weld arrangement is uniform, and the lapping quality is good.
Description
Technical field
The utility model relates to laser melting coating processing technique field, particularly relates to a kind of laser wide-band cladding device.
Background technology
Laser melting coating, is used high energy laser beam to produce metallurgical binding by metal material fusing and with matrix material, is widely used in material surface strengthening, reparation and modification.For some large-scale workpieces, as occasions such as macrotype axes series parts surface, large-area planar laser melting coatings, utilize the inswept area of broad band laser run-down large, can greatly improve cladding efficiency, and improve quality of cladding layer owing to having reduced overlap joint number of times.Existing laser wide-band cladding method is: the laser beam that laser instrument is occurred is transformed into thin-and-long focal beam spot through methods such as integral mirrors, be irradiated to work surface and form molten bath, synchronously from a side of light beam, send the powder bundle that is similarly thin-and-long to molten bath, with laser beam flying, at surface of the work and the coupling of powder bundle, the latter is melted, form the molten road of broadband cladding.This one-sided powder-feeding method is when direction of scanning is reverse, and the orientation of the relative laser beam of powder bundle is also reverse, is therefore unfavorable for that round-trip scanning is shaped.Document < < Chinese material engineering grand ceremony the 25th volume > > (Chemical Industry Press, 2006) reported the coaxial shower nozzle of many speckings of U.S. Optemec Design company development, its principal character is for to have arranged two dispatch tube cells in the symmetria bilateralis of laser beam.No matter forward, backward this bilateral powder-feeding method, because powder bundle is symmetrical, scans relative laser beam unchanged direction, has eliminated the beam-shaping effect that round-trip scanning is shaped.Above-mentioned two schemes is from the powder feeding of laser beam outer inclination, and its weak point is:
(1) powder bundle is all to send into light beam by laser beam outer inclination, powder bundle aloft first interferes with laser beam before falling into hot spot, produces and absorbs and diffuse reflection, makes to expose to the hot spot light intensity decreasing on finished surface, the smooth flatness in molten road is bad, and inherent vice increases.
(2) powder of different grain size and shape is subject to the impact that the parameter fluctuations such as mobility, powder sending quantity and homogeneity in each tube cell change; powder bundle is by tilting after powder-feeding nozzle ejection; powder is subject to again inertial force, gas carries the impacts such as pressure, gravity; add the effect of protection gas and optical pressure; powder is parabolic shape; each powder inertia, skyborne movement locus and drop point all can be inconsistent, and these all cause powder to fall region change greatly and fluctuation.For bilateral powder feeding scheme, powder bundle separately position, divide equally powder amount error, spray dynamics evenly, symmetry etc. is not the same, converge precision and be difficult to stable.In powder motion process, some powders fall into hot spot, but the Density Distribution entering after light beam is inhomogeneous; Some powders do not enter light beam and just fall, and what also have may, through falling again and be bonded on Pang Rong road, molten bath after light beam heat absorption, cause waste and the environmental pollution of a large amount of powder.
(3) in the cladding method of existing broadband, the energy of hot spot is general adopts the both sides heat radiation when being shaped that is uniformly distributed ，Er Rong road comparatively fast, to cause energy shortage herein, causes border fusion bad, the molten road of impact overlap joint quality.
Patent (ZL200610116413.1) discloses a kind of laser light internal powder conveying method, the taper focused beam that the circular solids transforming laser that laser instrument is occurred is hollow, and powder feeding pipe is arranged on laser beam hollow part, has realized the vertical forward powder feeding of single tube cell.Inner-light powder-supplying method has improved light, powder coupling precision greatly, and powder using efficiency is multiplied.But inner-light powder-supplying scheme focal beam spot is round dot at present, and molten bath is little, and once inswept region is narrower, and cladding efficiency is restricted, and can not be applied to broadband cladding.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of laser wide-band cladding device, meeting that cladding width is large, efficiency is high, can realize round-trip scanning and be shaped in, powder bundle does not interfere with light beam too early in dropping process, beam reflection is lost little; The coupling precision of powder and laser beam is high; Powder diffusibleness is little, and utilization factor is high; Molten road is organized more evenly, overlap joint better quality.
To achieve these goals, the technical scheme that the utility model embodiment provides is as follows:
A device, described device comprises:
Amici prism, described Amici prism comprises symmetrically arranged first minute optical plane and second minute optical plane, described first minute optical plane and second minute optical plane are reflected into two beam splitting laser by the solid laser beam of incident;
Condenser, described condenser comprises the first condenser and second condenser lens, described the first condenser is relative with second minute optical plane with first minute optical plane respectively with second condenser lens minute surface, and receive respectively two beam splitting laser of first minute optical plane and the second light splitting plane reflection secondary reflection again, focus on, two focused beams are more and more nearer at focusing stroke middle distance, finally overlapping on focal plane is a focal beam spot, focus in stroke one of self-assembling formation in the middle of two focused beams and fall the hollow region of triangular prism shape, after two focused beam out of focus, on out of focus face, form thin-and-long the first focal beam spot and the second focal beam spot being parallel to each other,
Powder feeding passage, described powder feeding passage is arranged on down the hollow region central authorities of triangular prism shape, and its powder feeding channel centerline overlaps with the symmetrical center line of two focused beams.
As further improvement of the utility model, described condenser minute surface face type focuses on line style by some sections of varying levels in the vertical focusing line style in vertical direction and horizontal direction and forms.
As further improvement of the utility model, described vertical focusing line style is parabolic type.
As further improvement of the utility model, described horizontal focusing line style is one or more combination in one or more snippets circular arc or other curves, and on described the first focal beam spot and the second focal beam spot surface level, energy distribution regulates by the line segment composite design of horizontal focusing focal line.
As further improvement of the utility model, described Amici prism is oblique split type Amici prism, and first minute optical plane and second minute optical plane carry out a minute equivalent reflection the solid laser of incident.
As further improvement of the utility model, described the first condenser and second condenser lens are located at respectively Amici prism both sides equally spacedly.
As further improvement of the utility model, the described powder feeding passage comb that many pipelines form of serving as reasons.
As further improvement of the utility model, described device also comprises:
Tube cell for inner-light powder-supplying;
Housing for fixing described condenser;
Be fixed at the upper cover plate on described housing;
Be fixed at the support of enclosure interior, described Amici prism is fixed on support.
The Filled Rectangle laser that the utility model laser wide-band cladding device is sent by laser instrument, vertical incidence light path of the present utility model is divided into the nearly rectangular light beam of two equal portions after oblique split type Amici prism, penetrates respectively to both sides level; The nearly rectangular light beam that level penetrates is after condenser, broadside para-curve by condenser mirror focuses on the broadside of nearly rectangular light beam, long limit aspheric surface circular arc by condenser mirror focuses on the long limit of nearly rectangular light beam, the final nearly rectangular light spot that forms hollow, powder feeding in the nearly rectangular light spot of hollow, thus realize rectangular light spot inner-light powder-supplying in Laser Processing.
Compared with prior art, the utility model laser wide-band cladding device can carry out light splitting and optically focused to rectangular light spot; Hot spot after focusing is the nearly rectangular light spot of hollow, can, in laser internal powder feeding, realize the utilization factor that light powder is accurately coupled and improves metal powder; Laser facula is longer and narrower simultaneously, and once inswept area is large, and working (machining) efficiency is high; And high in the middle of the energy Ratios of laser facula both sides, bath temperature is uniformly distributed, overlap can obtain preferable quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiment that record in the utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is structure and the principle schematic thereof of laser wide-band cladding device in the utility model one embodiment;
Fig. 2 is the light-dividing principle diagrammatic cross-section of Amici prism in the utility model one embodiment;
Fig. 3 is the light-dividing principle schematic perspective view of Amici prism in the utility model one embodiment;
Fig. 4 is the principle schematic of para-curve optically focused in the utility model condenser;
Fig. 5 is the principle schematic of circular arc optically focused in the utility model condenser;
Fig. 6 is the principle schematic that in the utility model condenser, multi-section circular arc focuses on;
Fig. 7 a, 7b, 7c be respectively condenser in the utility model one embodiment structural representation, schematic diagram and the light spot energy field schematic diagram of focal beam spot;
Fig. 8 a, 8b, 8c are respectively the structural representation of condenser in another embodiment of the utility model, the schematic diagram of focal beam spot and light spot energy field schematic diagram;
Fig. 9 a, 9b, 9c be respectively the utility model again in an embodiment structural representation of condenser, the schematic diagram of focal beam spot and light spot energy field schematic diagram;
Figure 10 a is the cross-sectional schematic of laser wide-band cladding device in the utility model one embodiment, and Figure 10 b is the cross-sectional schematic of A-A direction in Figure 10 a.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
The utility model laser wide-band cladding device is mainly comprised of Amici prism and condenser.Amici prism is by being symmetrical arranged and angled two crossing light splitting set of planes forming surface, and within two minutes, optical plane can be reflected into two reverse emitting laser bundles by the solid laser beam symmetry of incident; Condenser has two, respectively with two light splitting surface positioned opposite of Amici prism, condenser can be reflected into two bundle laser of Amici prism reflection respectively the nearly rectangular laser bundle of two bundle symmetries, the nearly rectangular light of two bundles is more and more nearer at focusing stroke middle distance, forms long and narrow focal beam spot overlapping on focal plane.
Shown in ginseng Fig. 1, a kind of laser wide-band cladding device in the utility model one embodiment, this device comprises:
Condenser, condenser comprises the first condenser 21 and second condenser lens 22, the focus lamp of the first condenser 21 and second condenser lens 22 is towards sunken inside setting, receive respectively two nearly rectangular laser of first minute optical plane and the second light splitting plane reflection, after secondary reflection, produce two bundle laser focusings 3, centre is formed with the powder feeding passage 43 of hollow again; Two bundle focused lights are overlapping on focal plane, and out of focus can form the first focal beam spot 41 and the second focal beam spot 42.
Inner-light powder-supplying pipeline 80; the dispatch powder pipeline that powder feeding pipes is comprised of many fine powder pipes; under the effect of protection gas, powder is sent into from the powder inlet 81 of tube cell; from the meal outlet 82 of tube cell, send; many powder Shu Binglie; in two, spray down in the middle of rectangular light beam, its cross section into strips and parallel with rectangular light spot.
This laser wide-band cladding method comprises:
The Filled Rectangle laser 1 that S1, reception laser instrument send;
S2, Filled Rectangle laser 1 is reflected into two nearly rectangular laser 2;
S3, respectively two nearly rectangular laser 2 are focused on, produce two bundle laser focusings 3, two bundle laser focusings 3 are overlapping and obtain the solid focal beam spot of thin-and-long on focal plane, after two bundle laser focusing 3 out of focus, form thin-and-long the first focal beam spot 41 and the second focal beam spot 42 being parallel to each other on out of focus face;
S4, from powder feeding passage 80, can send continuously powder bundle, powder bundle can be ejected into the first focal beam spot 41 in the overlapping hot spot on focal plane or on out of focus face and the centre of the second focal beam spot 42, and its powder bundle center line overlaps with the symmetrical center line of two focused beams;
S5, workpiece machined surface is adjusted on focal plane or near out of focus face, focal beam spot and powder bundle along the vertical direction synchronous scanning of focal beam spot length direction, form the molten road of broadband cladding on workpiece machined surface.
In present embodiment, Filled Rectangle laser 1 is incident light, nearly rectangular laser 2 is that Filled Rectangle laser 1 is through the light beam of Amici prism 10 reflections, the first condenser 21 and second condenser lens 22 are two independent minute surfaces of same reflect focalization mirror, laser focusing 3 is the light beam that nearly rectangular laser 2 reflects through condenser, and the first focal beam spot 41 and the second focal beam spot 42 are the hot spots after focusing on.Because Filled Rectangle Laser beam energy distribution is more even, two nearly rectangular laser energy distribution that obtain after Amici prism reflection are also relatively even, are convenient to the follow-up adjusting to light spot energy.Also can select in other embodiments other solid laser, as circle etc., can carry out light splitting and focus on, obtain the focal beam spot of other shapes.
Amici prism 10 is oblique split type, and the Filled Rectangle laser 1 of vertical incidence is divided into two bundles, and after total reflection, level penetrates, and reflection ray carries out optically focused back reflection to workpiece through condenser, and wherein in Fig. 1, dash area represents Ear Mucosa Treated by He Ne Laser Irradiation part.
The focus lamp face of condenser comprises vertical focusing line in some vertical direction and the horizontal focusing focal line in some horizontal directions, vertical focusing line is one or more combination in one or more circular arcs, one or more para-curve, and horizontal focusing focal line is one or more combination in one or more straight lines, one or more circular arc, one or more para-curve.Preferably, in the present embodiment, the vertical focusing line of the first condenser 21 and second condenser lens 22 is para-curve, and horizontal focusing focal line is circular arc, its two respectively rectangular laser 2 is carried out to vertical direction and horizontal direction is carried out optically focused.
Through the first focal beam spot 41 and the second focal beam spot 42 focusing on, be symmetrical bimonthly thread form, the first focal beam spot 41 and the second focal beam spot 42 form a space between two crescent moons, it is powder feeding passage 43, powder feeding therein, when hot spot moves left and right, hot spot wraps up powder all the time, thereby has realized hollow rectangle hot spot inner-light powder-supplying.
Ginseng Figure 2 shows that the light-dividing principle schematic diagram of Amici prism, Amici prism 10 comprises first minute optical plane 101 and second minute optical plane 102, first minute optical plane 101 and the vertical setting of optical plane 102 in second minute, Amici prism 10 can be divided into the rectangular laser of vertical incidence 1 the nearly rectangular laser 2 of two bundles by first minute optical plane 101 and second minute optical plane 102, and the nearly rectangular laser 2 after light splitting penetrates level.
Shown in ginseng Fig. 3, in present embodiment, Amici prism has been carried out stretching and improved, the Amici prism after improvement can be divided into the incident laser of rectangle two equal portions light beams, and level ejaculation, for next step optically focused provides two equal portions light sources.
The concentrating method of laser comprises para-curve optically focused, circular arc optically focused, multi-section circular arc focusing etc., and concrete principle is as follows:
Parabolic mirror:
Shown in ginseng Fig. 4, in parabolic mirror, light source is placed in to A point, after parabolic mirror-reflection, converges at O point, by such improvement, can receive the horizontal laser light of coming from light splitting mirror, and by its focusing.
Circular arc optically focused:
Shown in ginseng Fig. 5, adopt arc mirror surface to carry out optically focused to the laser of glancing incidence, the laser of glancing incidence can be pooled to meniscate hot spot, along with the change of distance, the convergent-divergent that crescent moon hot spot can be continuous.
Multi-section circular arc focuses on:
In above-mentioned circular arc optically focused, to focus on its mirror finish simple for circular arc, but the energy even of its hot spot distributes, and in actual processing, the heat radiation of hot spot two ends is large, energy loss ratio is broad in the middle, the hot spot that energy even distributes irradiates after workpiece, and the actual temperature field of workpiece is not but equally distributed, but the high two ends of medium temperature are low.So can improve focusing minute surface, adopt the multi-section circular arc shown in Fig. 6 to focus on, in figure, two ends are the circular arc that radius is less, and centre is the circular arc that radius is larger, and three coupling part adopts excessive circular arc to connect.Because the laser that incident light is even light intensity, the hot spot after converge centre is longer, therefore energy per unit area is few; Hot spot after converge at two ends is shorter, therefore energy per unit area is many.
In the utility model, the focus lamp face of condenser comprises vertical focusing line in some vertical direction and the horizontal focusing focal line in some horizontal directions, vertical focusing line is one or more combination in one or more circular arcs, one or more para-curve, and horizontal focusing focal line is one or more combination in one or more straight lines, one or more circular arc, one or more para-curve.
Ginseng Fig. 7 a be depicted as condenser in the utility model one embodiment structural representation.
By para-curve being focused on to minute surface and circular arc, focus on minute surface and synthesize, can obtain shown in Fig. 7 a and focus on minute surface, the focusing minute surface in the vertical direction of condenser is vertical focusing line, horizontal focusing focal line in horizontal direction, shown in ginseng Fig. 7 a, vertical focusing line 231 is para-curve, and horizontal focusing focal line 241 is circular arc.After focusing on, can obtain the focal beam spot shown in Fig. 7 b, when this hot spot is used for Laser Processing, the inner powder feeding of hot spot, during the scanning machining of hot spot left and right, laser is wrapped in powder all the time.As shown in Figure 7 c, this minute surface can be used for the occasion that incident light is non-focusing hot spot to the energy field of its hot spot.
Ginseng Fig. 8 a be depicted as condenser in another embodiment of the utility model structural representation.
When launching spot is rectangle focused beam, Fig. 7 a can be focused on to minute surface improves, shown in ginseng Fig. 8 a, vertical focusing line 232 is straight line with horizontal focusing focal line 242, can obtain level crossing new shown in Fig. 8 a, because incident light is focused light, so just needn't focus on rectangle incident light, simplified the processing that focuses on minute surface, the hot spot after focusing as shown in Figure 8 b.The energy field of its hot spot as shown in Figure 8 c.
Ginseng Fig. 9 a be depicted as the utility model again in an embodiment condenser structural representation.
By para-curve being focused on to minute surface and multi-section circular arc, focus on minute surface and synthesize, can obtain shown in Fig. 9 a and focus on minute surface, vertical focusing line 233 is para-curve, horizontal focusing focal line 243 is spliced by multi-section circular arc, comprise the first circular arc 2431, the second circular arc 2432 and three-arc 2433, in present embodiment, the curvature of the first circular arc 2431 and three-arc 2433 equates, and with the curvature of the second circular arc 2432 not etc., also can be made as in other embodiments all not etc.After focusing on, can obtain the focal beam spot shown in Fig. 9 b, the energy field of its hot spot is as shown in Fig. 9 c, the energy adjustment of focal beam spot distributes for being along its length saddle type, be that the hot spot two ends high intermediate energy of energy is low, the energy that two ends exceed can compensate the radiation loss at two ends, can guarantee the energy even that workpiece machined surface receives.
In above-mentioned embodiment, only disclosing condenser is that para-curve focuses on minute surface and circular arc focuses on minute surface, para-curve focuses on the concrete structure that minute surface and straight line minute surface and para-curve focus on the synthesized mirror of minute surface and multi-section circular arc focusing minute surface, it in all the other embodiments, can be also remaining synthesized mirror, as para-curve focuses on minute surface and circular arc and line(ar) focus minute surface, circular arc, focus on the synthesized mirror etc. that minute surface and multi-section circular arc focus on minute surface, this is no longer going to repeat them.
Shown in ginseng Figure 10 a, 10b, the laser wide-band cladding device in the utility model one embodiment comprises:
Condenser, condenser comprises the setting that caves inward of the first condenser 21 and second condenser lens 22, the first condensers 21 and second condenser lens 22, receives respectively two nearly rectangular laser of first minute optical plane and the second light splitting plane reflection, produce two bundle laser focusings, form the focused beam of hollow;
Inner-light powder-supplying pipeline 80; the dispatch powder pipeline that powder feeding pipes is comprised of many fine powder pipes; under the effect of protection gas, powder is sent into from the powder inlet 81 of tube cell; from the meal outlet 82 of tube cell, send; many powder bundle sprays down in the centre of two bundle laser focusings, vertically enters in the rectangular light spot on focal plane or on out of focus face in the middle of two Parallel Rectangular hot spots.
This laser wide-band cladding device also comprises:
Tube cell for inner-light powder-supplying;
Be used for the fixedly housing 40 of condenser;
Be fixed at the upper cover plate 50 on housing 40;
The support 60 that is fixed at housing 40 inside, Amici prism 10 is fixed on support 60.
Laser light inlet 70 be located at Amici prism 10 directly over, housing 40 is connected by spiral with upper cover plate 50, upper cover plate 50 is connected by spiral with fiber laser (not shown); Support 60 is fixed at the inside of housing 40, and Amici prism 10 is fixedly mounted on the middle position of support, and housing 40 inside corresponding with two reflectings surface of Amici prism 10 are fixedly installed respectively the first condenser 21 and second condenser lens 22.
In other embodiments, two light splitting surfaces in Amici prism 10 also can not be set to vertically, now the first condenser 21 and second condenser lens 22 and Amici prism 10 be not in same level, the nearly rectangular laser of Amici prism reflection is installed and then receives according to actual conditions, and then carry out optically focused and also can obtain same effect.
By above embodiment, can be found out, the Filled Rectangle laser that the utility model laser wide-band cladding device is sent by semiconductor laser, vertical incidence light path of the present utility model is divided into the nearly rectangular light beam of two equal portions after oblique split type Amici prism, penetrates respectively to both sides level; The nearly rectangular light beam that level penetrates is after condenser, broadside para-curve by condenser mirror focuses on the broadside of rectangular light beam, long limit aspheric surface circular arc by condenser mirror focuses on the long limit of rectangular light beam, the final nearly rectangular light spot that forms hollow, powder feeding in the nearly rectangular light spot of hollow, thus realize rectangular light spot inner-light powder-supplying in Laser Processing.
Compared with prior art, the utility model laser wide-band cladding device can carry out light splitting and optically focused to rectangular light spot; Hot spot after focusing is the nearly rectangular light spot of hollow, can, in laser internal powder feeding, realize the utilization factor that light powder is accurately coupled and improves metal powder; Laser facula is longer and narrower simultaneously, and once inswept area is large, and working (machining) efficiency is high; And high in the middle of the energy Ratios at laser facula two ends, bath temperature is uniformly distributed, overlap can obtain preferable quality.
To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present utility model or essential characteristic, can realize the utility model with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than above-mentioned explanation, is therefore intended to include in the utility model dropping on the implication that is equal to important document of claim and all changes in scope.Any Reference numeral in claim should be considered as limiting related claim.
In addition, be to be understood that, although this instructions is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of instructions is only for clarity sake, those skilled in the art should make instructions as a whole, and the technical scheme in each embodiment also can, through appropriately combined, form other embodiments that it will be appreciated by those skilled in the art that.
Claims (8)
1. a laser wide-band cladding device, is characterized in that, described device comprises:
Amici prism, described Amici prism comprises symmetrically arranged first minute optical plane and second minute optical plane, described first minute optical plane and second minute optical plane are reflected into two beam splitting laser by the solid laser beam of incident;
Condenser, described condenser comprises the first condenser and second condenser lens, described the first condenser is relative with second minute optical plane with first minute optical plane respectively with second condenser lens minute surface, and receive respectively two beam splitting laser of first minute optical plane and the second light splitting plane reflection secondary reflection again, focus on, two focused beams are more and more nearer at focusing stroke middle distance, finally overlapping on focal plane is a focal beam spot, focus in stroke one of self-assembling formation in the middle of two focused beams and fall the hollow region of triangular prism shape, after two focused beam out of focus, on out of focus face, form thin-and-long the first focal beam spot and the second focal beam spot being parallel to each other,
Powder feeding passage, described powder feeding passage is arranged on down the hollow region central authorities of triangular prism shape, and its powder feeding channel centerline overlaps with the symmetrical center line of two focused beams.
2. laser wide-band cladding device according to claim 1, is characterized in that, described condenser minute surface face type focuses on line style by some sections of varying levels in the vertical focusing line style in vertical direction and horizontal direction and forms.
3. laser wide-band cladding device according to claim 2, is characterized in that, described vertical focusing line style is parabolic type.
4. laser wide-band cladding device according to claim 2, it is characterized in that, described horizontal focusing line style is one or more combination in one or more snippets circular arc or other curves, and on described the first focal beam spot and the second focal beam spot surface level, energy distribution regulates by the line segment composite design of horizontal focusing focal line.
5. laser wide-band cladding device according to claim 1, is characterized in that, described Amici prism is oblique split type Amici prism, and first minute optical plane and second minute optical plane carry out a minute equivalent reflection the solid laser of incident.
6. laser wide-band cladding device according to claim 5, is characterized in that, described the first condenser and second condenser lens are located at respectively Amici prism both sides equally spacedly.
7. laser wide-band cladding device as claimed in claim 1, is characterized in that, the described powder feeding passage comb that many pipelines form of serving as reasons.
8. laser wide-band cladding device according to claim 1, is characterized in that, described device also comprises:
Tube cell for inner-light powder-supplying;
Housing for fixing described condenser;
Be fixed at the upper cover plate on described housing;
Be fixed at the support of enclosure interior, described Amici prism is fixed on support.
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| CN201320425434.7U CN203422527U (en) | 2013-07-17 | 2013-07-17 | Wideband laser cladding device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399405A (en) * | 2013-07-17 | 2013-11-20 | 苏州大学 | Laser broadband cladding device and method |
| WO2018064864A1 (en) * | 2016-10-09 | 2018-04-12 | 苏州大学张家港工业技术研究院 | Laser broadband cladding device |
| CN112251748A (en) * | 2020-10-16 | 2021-01-22 | 河南德佰特机电设备制造有限公司 | Laser cladding head for inner wall of pipeline |
-
2013
- 2013-07-17 CN CN201320425434.7U patent/CN203422527U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103399405A (en) * | 2013-07-17 | 2013-11-20 | 苏州大学 | Laser broadband cladding device and method |
| WO2015007117A1 (en) * | 2013-07-17 | 2015-01-22 | 苏州大学张家港工业技术研究院 | Method and device for wideband laser cladding |
| WO2018064864A1 (en) * | 2016-10-09 | 2018-04-12 | 苏州大学张家港工业技术研究院 | Laser broadband cladding device |
| CN112251748A (en) * | 2020-10-16 | 2021-01-22 | 河南德佰特机电设备制造有限公司 | Laser cladding head for inner wall of pipeline |
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