CN202367348U - Laser processing inside-laser coaxial wire feed sprayer - Google Patents
Laser processing inside-laser coaxial wire feed sprayer Download PDFInfo
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- CN202367348U CN202367348U CN2011204450428U CN201120445042U CN202367348U CN 202367348 U CN202367348 U CN 202367348U CN 2011204450428 U CN2011204450428 U CN 2011204450428U CN 201120445042 U CN201120445042 U CN 201120445042U CN 202367348 U CN202367348 U CN 202367348U
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Abstract
The utility model discloses a laser processing inside-light coaxial wire feed sprayer. An incident light adjusting device used for adjusting coaxiality of incident light and a cylinder body is disposed at an incident light port of the cylinder body. An adjusting screw used for adjusting horizontal positions of an annular focus lens is arranged between the annular focus lens and the cylinder body. The laser processing inside-light coaxial wire feed sprayer is capable of adjusting positions of the annular focus lens conveniently so that the incident laser light can achieve good focusing effect. Meanwhile, relative positions between the incident light and the cylinder body can be adjusted so as to ensure coaxiality of incident light and the cylinder body and thus ensure best laser cladding effect.
Description
Technical field
The utility model relates to field of laser processing, is specifically related to coaxial wire feed shower nozzle in the Laser Processing light of a kind of scalable wire feed nozzle and the axiality of incoming laser beam.
Background technology
Laser melting coating promptly uses high energy laser beam to produce metallurgical binding with the fusing of metal cladding material and with matrix material.Because cladding layer can strengthen that matrix surface is wear-resisting, shock resistance and performance such as corrosion-resistant, therefore is widely used in repairing to the surface modification of material or to the surface of product.
In laser melting coating; With laser and metal cladding material synchronous transfer to shaping the position; And the metal cladding material is put on the machined surface continuously, accurately, equably do in the focal beam spot of scanning motion by desired trajectory; Realize that the light material accurately is coupled, promptly the technology of feeding synchronously is the key technology that guarantees forming quality.
The powder that (being the laser melting coating material exists with the form of silk) can avoid that cladding material utilization rate in powder feeding cladding (being that the laser melting coating material exists with the powder type) process is lower because wire feeding cladding, powder sending quantity poor stability, molten both sides, road are in the fritting state is prone to stick to problems such as forming part surface; The laser wire feeding cladding has advantages such as higher, the easier realization of pushing precision is controlled, stock utilization is high, with low cost, so the laser wire feeding cladding has more wide development space.
Further, in existing laser wire feeding cladding, adopt the outer wire feed mode of light mostly, but the outer wire feed cladding of light since the silk material from the laser beam peripheral side to sending to, this will cause when carrying out the one dimension cladding, the influence of light beam scanning direction is excited in the wire feed position.When carrying out two dimension or 3-D scanning, the influence that the laser beam flying direction is brought is more obvious, and it all is anisotropic will causing molten road quality and pattern.
To above deficiency; To be 200710046020.2 Chinese invention patent on March 18th, 2009 disclose in a kind of laser light wire feeder in the wire feeding cladding method and light to application number; This device is transformed to annular beam with conscope with laser instrument emitted laser bundle; Focusing on the ring focusing mirror becomes the ring cone-shaped beam again, in the ring cone-shaped beam, forms a tapered hollow no light zone, wire-feeding pipe place in this no light zone and with ring cone-shaped beam coaxial line.In the work silk material ring cone-shaped beam center by the coaxial molten bath of vertically sending on the machined surface in, realize coaxial wire feed in the light.This device has overcome causing owing to the laser beam flying direction is different of existing in the wire feed process of existing smooth lateral and has melted the anisotropic deficiency of road pattern, has guaranteed the uniformity of wire feed all directions attitude orientation in the light.Yet the deficiency that said apparatus exists the axiality of wire feed nozzle and incoming laser beam not regulate is prone to cause the shortcoming of the light and the coupling difference of silk.Therefore; Be necessary to design coaxial wire feed shower nozzle in the Laser Processing light of a kind of scalable wire feed nozzle and the axiality of incoming laser beam; With the axiality of effective adjusting wire feed nozzle and incoming laser beam, thereby the coupling of assurance light and silk improves the laser melting coating effect.
The utility model content
The problem that the utility model solves provides coaxial wire feed shower nozzle in a kind of Laser Processing light, the axiality of this shower nozzle scalable wire feed nozzle and incoming laser beam.
For addressing the above problem; The utility model has disclosed coaxial wire feed shower nozzle in a kind of Laser Processing light; The cylindrical tube, ring focusing mirror, conscope, back taper spacer shell, following tapered sleeve, bracing frame, wire feed nozzle, the wire-feeding pipe that comprise hollow; Said spacer shell is removable installed in said cylindrical shell and said down between the tapered sleeve; One end of said cylindrical shell forms light inlet, forms light-emitting window at a said end of tapered sleeve down, and support frame as described above is arranged in the cavity of said cylindrical shell; Said ring focusing mirror, conscope are arranged between support frame as described above and the said light inlet; Said conscope is fixed in support frame as described above and coaxial with said cylindrical shell, and said wire feed nozzle is arranged between support frame as described above and the said light-emitting window, and said wire feed nozzle is fixed in support frame as described above and coaxial with said cylindrical shell; The light inlet of said cylindrical shell is provided with the light inlet adjusting device of the axiality that is used to regulate incident light and said cylindrical shell, is provided with the adjustment screw of the lateral attitude that is used to adjust said ring focusing mirror between said ring focusing mirror and the said cylindrical shell.
Preferably; Said light inlet adjusting device comprises upper bush and light inlet tube; The light inlet of said upper bush and said cylindrical shell removably connects; The diameter of said upper bush is greater than the diameter of said light inlet tube, and said light inlet tube is nested in the said upper bush and through lock-screw and removably connects, the horizontal and/or lengthwise position scalable of said light inlet tube.
Preferably; Said upper bush is formed by stacking up and down the hollow cylindrical cylindrical shell that two diameters do not wait; The less cylindrical shell of said diameter is first cylindrical shell; The cylindrical shell that said diameter is bigger is second cylindrical shell, and the bottom of said first cylindrical shell is connected through connecting plate with the top of said second cylindrical shell, and the sidewall of said second cylindrical shell and light inlet removably connects.
Preferably, the cross section of said light inlet tube is " several " font, forms the 3rd sidewall and the 4th horizontal sidewall longitudinally respectively.
Preferably, be provided with the horizontal adjustment screw of the horizontal level that is used to adjust said light inlet tube between the 3rd sidewall of said first cylindrical shell and said light inlet tube.
Preferably, be provided with the position adjusting screw of the lengthwise position that is used to adjust said light inlet tube between the 4th sidewall of said connecting plate and said light inlet tube.
Preferably, be provided with the cut-out governing cover of the horizontal direction position that is used to adjust said wire feed nozzle between said wire feed nozzle and the support frame as described above.
Preferably; The cross section of said cut-out governing cover is down " several " font; Said wire feed nozzle passes from the bottom of said cut-out governing cover, and the stiff end and the support frame as described above of said cut-out governing cover are fixed through screw axial, and the cut-out governing cover is fixed through screw and bracing frame; Matched in clearance between the sidewall of said cut-out governing cover and the main body of said wire feed nozzle, and be provided with the horizontal adjustment screw between the main body of the sidewall of said cut-out governing cover and said wire feed nozzle.
Preferably, support frame as described above comprises outer ring and inner ring, connects through dowel between said outer ring and the inner ring, and said outer ring and said cylindrical shell are fixed.
Preferably, said wire-feeding pipe is circular arc, and said wire-feeding pipe is from the dowel that penetrates support frame as described above of the side of said cylindrical shell, and passes from the below of dowel and to get into the wire feed nozzle.
Compared with prior art; The utlity model has following advantage: coaxial wire feed shower nozzle in the Laser Processing light that the utility model disclosed; Be provided with the light inlet adjusting device of the axiality that is used to regulate incident light and said cylindrical shell at the light inlet of said cylindrical shell, be provided with the adjustment screw of the lateral attitude that is used to adjust said ring focusing mirror between said ring focusing mirror and the said cylindrical shell.So be provided with; Not only can regulate the position of annular focus lamp easily so that incident laser reaches the good focusing effect; Can also regulate simultaneously the relative position of incident light and cylindrical shell,, thereby guarantee best laser melting coating effect with the axiality of assurance incident light and cylindrical shell.
Description of drawings
Fig. 1 is the cutaway view of shower nozzle in the utility model preferred embodiment;
Fig. 2 is the vertical view of bracing frame in the utility model preferred embodiment.
Wherein: 2, light inlet tube; 211, the 3rd sidewall; 212, the 4th sidewall; 3, upper bush; 310, first cylindrical shell; 313, second cylindrical shell; 314, connecting plate; 4, horizontal adjustment screw; 5, position adjusting screw; 6, position adjusting screw; 8, cylindrical shell; 9, adjustment screw; 10, ring focusing mirror; 14, conscope; 15, bracing frame; 151, outer ring; 152, inner ring; 153, dowel; 16, wire feed nozzle; 17, cut-out governing cover; 18, screw; 19, horizontal adjustment screw; 20, screw; 21, wire-feeding pipe; 22, following tapered sleeve; 23, inner conical drogue; 24, spacer shell; 27, cooling water channel; 29, air feed channel; 31, injection well; 33, light-emitting window; 36, light inlet adjusting device; 100, light inlet.
The specific embodiment
Below in conjunction with accompanying drawing the technical scheme among the utility model embodiment is described in detail.
As shown in Figure 1; The utility model has disclosed coaxial wire feed shower nozzle in a kind of Laser Processing light, comprises cylindrical tube 8, ring focusing mirror 10, conscope 14, back taper spacer shell 24, following tapered sleeve 22, bracing frame 15, wire feed nozzle 16, the wire-feeding pipe 21 of hollow.Wherein, Spacer shell 24 is removable installed between cylindrical shell 8 and the following tapered sleeve 22, and the end that cylindrical shell 8 is not connected with spacer shell 24 forms light inlet 100, and the end that following tapered sleeve 22 is not connected with spacer shell 24 forms light-emitting window 33; Laser beam is injected from light inlet 100, penetrates from light-emitting window 33.Bracing frame 15 is arranged in the cavity of cylindrical shell 8, and ring focusing mirror 10, conscope 14 are arranged between bracing frame 15 and the light inlet 100.Wire feed nozzle 16 is arranged between bracing frame 15 and the light-emitting window 33, and wire feed nozzle 16 is fixed in bracing frame 15 and coaxial with cylindrical shell 8.
Particularly, ring focusing mirror 10 is arranged on the bracing frame 15 and around the inwall of cylindrical shell 8, leaves certain clearance between the inwall of ring focusing mirror 10 and cylindrical shell 8, and conscope 14 is fixed in bracing frame 15 and coaxial with cylindrical shell 8.The general conscope 14 that adopts 45 ° of angles in actual the use; Incide when 45 ° on laser beam warp on the minute surface of conscope 14; The minute surface of conscope 14 reflexes on the ring focusing mirror 10 through 45 ° then; Laser beam is reflected into a ring taper focused beam through ring focusing mirror 10, and after light-emitting window 33 penetrates, focuses in a certain position.Traditional ring focusing mirror 10 is changeless with the position of bracing frame 15 or cylindrical shell 8, need guarantee that when installing incoming laser beam is coaxial with wire feed nozzle 16.But in use, can cause each parts of assembling to produce skew unavoidably, thereby influence the axiality of incoming laser beam and wire feed nozzle 16, finally influence the laser melting coating effect.To the problems referred to above; In the utility model preferred embodiment; The light inlet 100 of cylindrical shell 8 is provided with the light inlet adjusting device 36 of the axiality that is used to regulate incident light and cylindrical shell 8, is provided with the adjustment screw 9 of the lateral attitude that is used to adjust ring focusing mirror 10 between ring focusing mirror 10 and the cylindrical shell 8.
Light inlet adjusting device 36 comprises upper bush 3 and light inlet tube 2; Upper bush 3 removably connects with the light inlet 100 of cylindrical shell 8; The diameter of upper bush 3 is greater than the diameter of light inlet tube 2; Light inlet tube 2 is nested in the upper bush 3 and through lock-screw 5 and removably connects, and laterally and/or vertically all leaves certain clearance between light inlet tube 2 and the upper bush 3, thereby makes the horizontal and/or lengthwise position scalable of light inlet tube 2.In order to realize the lateral attitude scalable of light inlet tube 2, the diameter in hole that is used to install lock-screw 5 on the upper bush 3 to reserve certain surplus, prevents that the lateral attitude of lock-screw 5 restriction upper bushes 3 from regulating greater than the diameter of the double-screw bolt of lock-screw 5.
Further; Upper bush 3 is formed by stacking up and down the hollow cylindrical cylindrical shell that two diameters do not wait; The less cylindrical shell of diameter is first cylindrical shell 310; The cylindrical shell that diameter is bigger is that the bottom of second cylindrical shell, 313, the first cylindrical shells 310 is connected through connecting plate 314 with the top of second cylindrical shell 313, and second cylindrical shell 313 removably connects with the sidewall of light inlet 100.
The cross section of light inlet tube 2 is " several " font, forms the 3rd sidewall 211 and the 4th horizontal sidewall 212 longitudinally respectively.
Be provided with the horizontal adjustment screw 4 of the horizontal level that is used to adjust light inlet tube 2 between the 3rd sidewall 211 of first cylindrical shell 310 and light inlet tube 2.
Be provided with the position adjusting screw 6 of the lengthwise position that is used to adjust light inlet tube 2 between the 4th sidewall 212 of connecting plate 314 and light inlet tube 2.Because the diameter in hole that is used to install lock-screw 5 on the upper bush 3 is greater than the diameter of the double-screw bolt of lock-screw 5; Can not rely on the position between 5 pairs of upper bushes 3 of lock-screw and the light inlet tube 2 to fix merely; And through position adjusting screw 6 is set, can carry out fixing further to position between upper bush 3 and the light inlet tube 2 on the one hand, and; Can adjust axial clearance between upper bush 3 and the light inlet tube 2; When the several position on every side that is surrounded on light inlet tube 2 is adjusted screw 6 not at same horizontal line, can adjust the gradient of light inlet tube 2, thereby further guarantee the axiality between incident light and the wire feed nozzle 16.
Through above setting, can pass through the axiality of horizontal adjustment screw 4, adjustment screw 9 and position adjusting screw 6 easy adjustment incoming laser beams and wire feed nozzle 16.
In the utility model preferred embodiment, in order to reach better coaxial effect, also be provided with a subsequent use adjusting device, promptly between wire feed nozzle 16 and bracing frame 15, be provided with the cut-out governing cover 17 of the horizontal direction position that is used to adjust wire feed nozzle 16.
The cross section of cut-out governing cover 17 is down " several " font; Wire feed nozzle 16 passes from the bottom of cut-out governing cover 17; Pass through screw 20 axial restraints between the stiff end of cut-out governing cover 17 and the bracing frame 15; Cut-out governing cover 17 is fixing with bracing frame 15 through screw 18, matched in clearance between the sidewall of cut-out governing cover 17 and the main body of wire feed nozzle 16, and be provided with horizontal adjustment screw 19 between the main body of the sidewall of cut-out governing cover 17 and wire feed nozzle 16.So be provided with; When in use, the position of wire feed nozzle 16 produces skew, can regulate through the horizontal level of 19 pairs of wire feed nozzles 16 of horizontal adjustment screw; Thereby guarantee the axiality of wire feed nozzle 16 and incoming laser beam, make a material accurately send into the focal position of ring taper focused light.
As shown in Figure 2, bracing frame 15 comprises outer ring 151 and inner ring 152, connects through dowel 153 between outer ring 151 and the inner ring 152, and outer ring 151 is fixing with cylindrical shell 8.Conscope 14 is fixed on the inner ring 152, and conscope 14 is coaxial with wire feed nozzle 16.Dowel 153 volumes are tiny, so side to light is long-pending little.Ring taper focused light passes through between outer ring 151 and inner ring 152 in the work, and a part of dowel 153 is in area of illumination.For fear of the illumination heating, can be at dowel 153 set inside cooling water channels 27 in order to absorb heat.In addition, also be provided with air feed channel 29 in the dowel 153, air feed channel 29 is connected with the interior injection well 31 of the main body of wire feed nozzle 16.
Please continue to consult Fig. 1, in the utility model preferred embodiment, wire-feeding pipe 21 is circular arc, and wire-feeding pipe 21 is from the dowel that penetrates bracing frame 15 153 of the side of cylindrical shell 8, and passes from the below of dowel 153 and to get into wire feed nozzle 16.The focus point of the silk material outlet of wire-feeding pipe 21, the outlet of injection well 31, ring taper focused light is coaxial, and assurance light beam and silk, gas are realized coaxial, thereby reach good coupling effect.
In addition; In the utility model preferred embodiment; Following tapered sleeve 22 is provided with inner conical drogue 23 along its inwall, and inner conical drogue 23 forms airtight cavity with the inwall of following tapered sleeve 22, in cavity, injects cooling water; Guaranteed the effective cooling to the shaven head part of time tapered sleeve 22, made its steady operation for a long time.
Coaxial wire feed shower nozzle in the Laser Processing light that the utility model disclosed; Be provided with the light inlet adjusting device 36 of the axiality that is used to regulate incident light and cylindrical shell 8 at the light inlet 100 of cylindrical shell 8, be provided with the adjustment screw 9 of the lateral attitude that is used to adjust ring focusing mirror 10 between ring focusing mirror 10 and the cylindrical shell 8.So be provided with, can regulate the position of annular focus lamp 10 easily so that incident laser reaches the good focusing effect.In addition,, can regulate the relative position of incident light and cylindrical shell 8 easily,, thereby guarantee best laser melting coating effect with the axiality of assurance incident light and cylindrical shell 8 owing to the setting of light inlet adjusting device 36.And 17 the bidirectional modulation that has realized encircling taper focused light, wire feed nozzle 16 that is provided with is overlapped in cut-out governing, has further guaranteed both axialities.Coaxial wire feed shower nozzle in the Laser Processing light that the utility model disclosed, compact conformation, rationally distributed, easy to use, service life is longer.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (9)
1. coaxial wire feed shower nozzle in the Laser Processing light; The cylindrical tube (8), ring focusing mirror (10), conscope (14), back taper spacer shell (24), following tapered sleeve (22), bracing frame (15), wire feed nozzle (16), the wire-feeding pipe (21) that comprise hollow; Said spacer shell (24) is removable installed in said cylindrical shell (8) and said down between the tapered sleeve (22); One end of said cylindrical shell (8) forms light inlet (100); End at said tapered sleeve (22) down forms light-emitting window (33); Support frame as described above (15) is arranged in the cavity of said cylindrical shell (8); Said ring focusing mirror (10), conscope (14) are arranged between support frame as described above (15) and the said light inlet (100); Said conscope (14) is fixed in support frame as described above (15) and coaxial with said cylindrical shell (8), and said wire feed nozzle (16) is arranged between support frame as described above (15) and the said light-emitting window (33), and said wire feed nozzle (16) is fixed in support frame as described above (15) and coaxial with said cylindrical shell (8); It is characterized in that: the light inlet (100) of said cylindrical shell (8) is provided with the light inlet adjusting device (36) of the axiality that is used to regulate incident light and said cylindrical shell (8), is provided with the adjustment screw (9) of the lateral attitude that is used to adjust said ring focusing mirror (10) between said ring focusing mirror (10) and the said cylindrical shell (8).
2. coaxial wire feed shower nozzle in the Laser Processing light according to claim 1; It is characterized in that: said light inlet adjusting device (36) comprises upper bush (3) and light inlet tube (2); Said upper bush (3) removably connects with the light inlet (100) of said cylindrical shell (8); The diameter of said upper bush (3) is greater than the diameter of said light inlet tube (2), and said light inlet tube (2) is nested in the said upper bush (3) and removably connects through lock-screw (5), the horizontal and/or lengthwise position scalable of said light inlet tube (2).
3. coaxial wire feed shower nozzle in the Laser Processing light according to claim 2; It is characterized in that: said upper bush (3) is formed by stacking up and down the hollow cylindrical cylindrical shell that two diameters do not wait; The less cylindrical shell of said diameter is first cylindrical shell (310); The cylindrical shell that said diameter is bigger is second cylindrical shell (313), and the bottom of said first cylindrical shell (310) is connected through connecting plate (314) with the top of said second cylindrical shell (313), and said second cylindrical shell (313) removably connects with the sidewall of light inlet (100); The cross section of said light inlet tube (2) is " several " font, forms the 3rd sidewall (211) and horizontal the 4th sidewall (212) longitudinally respectively.
4. coaxial wire feed shower nozzle in the Laser Processing light according to claim 3 is characterized in that: the horizontal adjustment screw (4) that is provided with the horizontal level that is used to adjust said light inlet tube (2) between the 3rd sidewall (211) of said first cylindrical shell (310) and said light inlet tube (2).
5. coaxial wire feed shower nozzle in the Laser Processing light according to claim 3 is characterized in that: the position adjusting screw (6) that is provided with the lengthwise position that is used to adjust said light inlet tube (2) between the 4th sidewall (212) of said connecting plate (314) and said light inlet tube (2).
6. coaxial wire feed shower nozzle in the Laser Processing light according to claim 1 is characterized in that: the cut-out governing cover (17) that is provided with the horizontal direction position that is used to adjust said wire feed nozzle (16) between said wire feed nozzle (16) and the support frame as described above (15).
7. coaxial wire feed shower nozzle in the Laser Processing light according to claim 6; It is characterized in that: the cross section of said cut-out governing cover (17) is down " several " font; Said wire feed nozzle (16) passes from the bottom of said cut-out governing cover (17); The stiff end of said cut-out governing cover (17) and support frame as described above (15) are through screw (20) axial restraint; Cut-out governing cover (17) is fixing through screw (18) and bracing frame (15), matched in clearance between the main body of the sidewall of said cut-out governing cover (17) and said wire feed nozzle (16), and be provided with horizontal adjustment screw (19) between the main body of the sidewall of said cut-out governing cover (17) and said wire feed nozzle (16).
8. according to coaxial wire feed shower nozzle in claim 1, the described Laser Processing light of 6 or 7 arbitrary claims; It is characterized in that: support frame as described above (15) comprises outer ring (151) and inner ring (152); Connect through dowel (153) between said outer ring (151) and the inner ring (152), said outer ring (151) are fixing with said cylindrical shell (8).
9. coaxial wire feed shower nozzle in the Laser Processing light according to claim 8; It is characterized in that: said wire-feeding pipe (21) is circular arc; And said wire-feeding pipe (21) is from the dowel that penetrates support frame as described above (15) (153) of the side of said cylindrical shell (8), and passes from the below of dowel (153) and to get into wire feed nozzle (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204450428U CN202367348U (en) | 2011-11-11 | 2011-11-11 | Laser processing inside-laser coaxial wire feed sprayer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011204450428U CN202367348U (en) | 2011-11-11 | 2011-11-11 | Laser processing inside-laser coaxial wire feed sprayer |
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