CN106637195A - Coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions - Google Patents
Coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions Download PDFInfo
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- CN106637195A CN106637195A CN201611159063.7A CN201611159063A CN106637195A CN 106637195 A CN106637195 A CN 106637195A CN 201611159063 A CN201611159063 A CN 201611159063A CN 106637195 A CN106637195 A CN 106637195A
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- guide rail
- nozzle
- slide block
- rail slide
- ball
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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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Mechanical Engineering (AREA)
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- Organic Chemistry (AREA)
Abstract
The invention discloses a coaxial powder feeding sprayer capable of automatically adjusting light spots and powder feeding positions. The sprayer can be used for the field of laser cladding and mainly structurally comprises a connecting cylinder, a sprayer body, a variable light path system, an adjustable powder feeding position system and a nozzle, a cooling water jacket and a mounting lug of a four-linkage mechanism are arranged outside the nozzle, and an internal protective gas inlet is formed in the upper end of the nozzle. All movable portions of the sprayer are driven by a servo motor, and rotary motion is transformed into linear motion of a slider through a ball screw. According to the coaxial powder feeding sprayer, the diameter of the light spots and the powder feeding positions can be continuously changed, positions of the light spots can be adjusted, so that the light spots are overlapped with powder flow converging focuses, the sprayer effectively solves the contradiction between cladding efficiency and cladding accuracy in laser cladding, and laser cladding process of complicated curved surfaces can be achieved.
Description
Technical field
The invention belongs to laser processing application field, is related to laser stereoforming and laser melting coating, more particularly to laser melts
The coaxial powder-feeding shower nozzle of automatically adjusted hot spot and powder feeding position in covering.
Background technology
Laser melting and coating technique is referred to and is melted metal dust using high energy laser beam, and deposits to matrix surface, formed with
The metal coating that matrix is metallurgically combined.Piece surface can be strengthened using the technology, repair part and be damaged
Region or directly accumulation produce the material object parts with labyrinth.The advantage of one maximum of laser melting and coating technique is can
Baroque part is directly manufactured, but many insoluble problems are faced in practical operation.On baroque part
Feature is more, and physical dimension there is also difference.If the hot spot of selection of small is processed, machining accuracy is no doubt ensure that,
But working (machining) efficiency is reduced；Step effect present in laser melting coating, drastically influence the surface quality of processing part, and this is not
Profit affect to it is complex-curved carry out cladding when performance more project.
The content of the invention
The technical problem to be solved is to overcome prior art defect, there is provided a kind of simple structure, Neng Goulian
It is continuous to change laser melting coating spot diameter size and powder feeding position, and ensure that powder stream converges focus and laser beam convergence is burnt
Automatically adjusted hot spot and the coaxial powder-feeding shower nozzle of powder feeding position that point overlaps.
In order to solve above-mentioned technical problem, what the present invention was provided a kind of automatically adjusts coaxially sending for hot spot and powder feeding position
Powder shower nozzle, including：Connecting cylinder, nozzle body, changeable optical path system, adjustable powder feeding position system and nozzle；
The connecting cylinder upper end is connected with optical fiber laser, and lower end is connected with nozzle body；
The nozzle is made up of nozzle inner core and cooling jacket；Described nozzle inner core upper design has the installation position of protection eyeglass
The flange connecting portion put and be connected with nozzle body, at middle part, column part is designed with the air inlet of equally distributed protective gas
Mouthful, conical section it is symmetrical be provided with cooling water intake and and outlet, be uniformly distributed mounting ear in periphery；Described cooling
Water jacket, in inverted cone, inside has point water layer of annular；
The nozzle body is hollow cylinder, and nozzle body both sides are provided with the notch parallel with cylinder axis；Nozzle body
The installation position of servomotor, ball screw assembly, and guide rail is designed with the installing plate of upper and lower ends；And be provided with respectively be connected
Cylinder and the interface of nozzle inner core connection；
The changeable optical path system includes position regulating system and light path system two parts；
Described position regulating system is arranged on the peace of nozzle body by two groups of identical structure compositions, two groups of symmetrical configurations
On dress plate；Every group of structure can self-movement, be respectively used to adjust the position of lens A and lens B；Every group of structure all includes circle
Post leads 1, lens tabletting, lens holder, guide rail slide block 1, leading screw support base, servomotor, shaft joint, ball-screw, ball wire
Thick stick nut, guide rail slide block 2；
The servomotor is bolted together on the installing plate of nozzle body upper end, and the leading screw support base is fixed on nozzle body
On the installing plate of lower end；The servomotor is connected with shaft coupling；Described ball-screw one end is connected with shaft coupling, other end
It is connected with leading screw support base；Ball-screw nut is installed on ball-screw；
The two ends of the cylindrical guide 1 have screw thread, are fixed in nozzle body by nut；Described guide rail slide block 1 has one
Individual connector, on cylindrical guide 1；Notch and lens holder that the connector of guide rail slide block 1 passes through nozzle body side
One end connection；Described guide rail slide block 2 has two connectors, above the cylindrical guide 1 of symmetrical side, one of them
Connector is connected with ball-screw nut, and another connector is by the notch of cylindrical drum side and the other end of lens holder
Connection；
The light path system is made up of beam expanding lens, convex lenss A and convex lenss B, and their center point-blank, and is being adjusted
Ensure that the distance between lens A and lens B are more than convex lenss A during section（3.4）With convex lenss B（3.5）Focal length sum；It is convex
Lens A and convex lenss B are arranged on lens holder, are fixed by lens tabletting；Convex lenss are driven when guide rail slide block is moved,
The hollow space movement of nozzle body, changes light path.
In order to ensure the stationarity that lens are moved in the position regulating system, guide rail slide block 1 is distinguished in lens holder both sides
Connect with guide rail slide block 2；In order to simplify structure, the guide rail slide block 1 and guide rail slide block 2 of homonymy share a cylindrical guide 1.
Described variable powder feeding position system includes：Push and pull system and governor motion two parts；
Described push and pull system is made up of multiple quadric chains.Each quadric chain includes pin, fork, bolt and nut connection
Pair, connecting rod, fork, guide plate, regulating block 1 and regulating block 2；Regulating block 1 and regulating block 2 are fixed on by bolt and nut auxiliary connection
Among the chute of guide plate；One end of connecting rod passes through spiral shell with the engaging lug on nozzle inner core with pin connection, the other end and regulating block 2
Bolt nut auxiliary connection is fixed；With regulating block 1 by pin connection, other end passes through pin connection with guide rail slide block 3 for fork one end；
The guide plate end is all fixed with a discharge tube；Described guide plate and with regulating block 1 and regulating block, regulating block 2
Fixed with bolt and nut auxiliary connection and connecting rod between, can by change the distance between regulating block 1 and regulating block 2 and connecting rod and
Angle between guide plate obtains the quadric chain of Different structural parameters so that powder-supplying spray head has multiple different powder streams
Converge focal length variations section optional so that powder feeding position is more diversified；
The regulating system is symmetrically mounted on the identical structure composition of the both sides of nozzle body by two groups, and each group of structure all includes
Servomotor, shaft joint, ball-screw, ball-screw nut, leading screw support base, cylindrical guide 2, guide rail slide block 3, the and of cross bar 1
Cross bar 2；Servomotor, shaft joint, ball-screw, ball-screw nut, leading screw support base, cylindrical guide 2 and guide rail slide block 3
Mounting means and as described before can brightness-changing system each corresponding intrument of position regulating system connected mode it is identical；Described guide rail
Slide block 3 equally has two connecting interfaces, and one of them is connected with one end of cross bar 1, while cross bar 1 and ball-screw nut connect
Connect；Two groups of structures of the regulating system are rigidly connected with cross bar 2, it is ensured that all powder feeding pipes can be transported synchronously during regulation
It is dynamic.So linear motion is changed into by the rotary motion of ball-screw adjutant's motor, and drives guide rail slide block 3 along cylindrical guide
2 is for linear motion, and with this angle between fork and nozzle body axis is changed.
Used as improvement, the upper end of the connecting cylinder is provided with external screw thread, and connecting cylinder is connected by external screw thread with optical fiber laser
Used as improvement, there is an adpting flange being connected with nozzle body the lower end of the connecting cylinder, connecting cylinder by adpting flange with
Nozzle body connects.
Used as improvement, the nozzle inner core and cooling jacket are connected by way of welding or being threadedly coupled.
Used as improvement, the quantity of the air inlet is three.
The beneficial effects of the present invention is：（1）The present invention is that first item can be while adjust the straight of powder feeding position and hot spot
The Coaxial nozzle of footpath size, precise control facula position.It is continuous to become spot diameter design, solve laser melting coating efficiency and processing
The contradiction of the presence between precision；The design of variable powder feeding position can be directed to different powder and choose optimal powder feeding position, protect
The convergence of card powder and stability；Energy precise control facula position, it is ensured that powder stream converges the coincidence of focus and hot spot,
Improve the utilization rate of metal dust；
（2）The present invention abandons completely the mentality of designing for changing spot diameter size using out of focus method, using by beam expanding lens and two
Individual convex lens group into path adjustable optical, can effectively realize continuously changing the diameter and precise control facula position of hot spot
Purpose.Change spot diameter size that can be in good time as needed, is solve laser melting coating precision and cladding efficiency effective
Approach；
1. powder feeding position regulating system adopts linkage, simple and reliable for structure, and the parameter of linkage is adjustable.No
Under same link parameters, focus adjustment section is converged with different powder streams, the focal length consecutive variations in each regulation section.Increase
Adaptability of the nozzle to the larger metal dust of nature difference is added.
2. not only population structure is simple, and the also relatively simple manufacture easy to process of each parts shape.The main portion of shower nozzle
To be detachably connected between part, easy maintenance and replacement easily worn part.Actuator have selected servomotor, and drive disk assembly is ball
Lead screw pair, guiding parts is line slideway, it is ensured that control accuracy and kinematic accuracy.
Description of the drawings
Fig. 1 is the overall construction drawing of the present invention；
Fig. 2 is the changeable optical path system construction drawing of the present invention；
Fig. 3 is the optical path adjusting principle schematic of the present invention；
Fig. 4 is the adjustable powder feeding location system structure figure of the present invention；
Fig. 5 is the quadric chain structure chart of the present invention；
Fig. 6 is the nozzle arrangements figure of the present invention；
In figure：1st, connecting cylinder, 1.1, beam expanding lens, 2, nozzle body, 3, changeable optical path system, 3.1, cylindrical guide 1,3.2, lens
Tabletting, 3.3, lens holder, 3.4 convex lenss A, 3.5 convex lenss B, 3.6, guide rail slide block 1,3.7, leading screw support base, 3.8, servo
Motor, 3.9, shaft coupling, 3.10, ball-screw, 3.11, ball-screw nut, 3.12, guide rail slide block 2,3.13, interior hexagonal spiral shell
Nail, 3.14, hex nut, 4, adjustable powder feeding position system, 4.1, servomotor, 4.2, shaft coupling, 4.3, cylindrical guide 2,
4.4th, ball-screw, 4.5, ball-screw nut, 4.6, cross bar Isosorbide-5-Nitrae .7, cross bar 2,4.8, guide rail slide block 3,4.9, ball-screw
Support base, 4.10, pin, 4.11, fork, 4.12, regulating block Isosorbide-5-Nitrae .13, bolt and nut auxiliary connection, 4.14, connecting rod, 4.15, be oriented to
Plate, 4.16, regulating block 2,4.17, discharge tube, 5, nozzle, 5.1, shielding gas air inlet, 5.2, mounting ear, 5.3, protection eyeglass,
5.4th, adpting flange, 5.5, nozzle inner core, 5.6, cooling water intake, 5.7, cooling jacket, 5.8, cooling water outlet.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described.
It should be noted that：Unless specifically stated otherwise, positioned opposite, the numerical value of the part for illustrating otherwise in the present embodiment
Etc. being not limited to the scope of the present invention.Used as preferred, in this specific embodiment, the quantity of discharge tube 4.17 selects to be four, special
As long as other its quantity can form complete annular powder curtain all within protection scope of the present invention during dusting, quantity
Not concrete restriction；The number of corresponding engaging lug 5.2 and quadric chain is designed to four, relative with the number of discharge tube 4.17
Should；Used as preferred, the air inlet 5.1 of protective gas is designed as three.
As shown in figure 1, a kind of coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position, including：Connecting cylinder, shower nozzle
Main body, changeable optical path system, adjustable powder feeding position system and nozzle.
As shown in fig. 6, described nozzle 5 is made up of nozzle inner core 5.5 and cooling jacket 5.7；Described nozzle inner core 5.5
Upper design has the installation site for protecting eyeglass 5.3 and the flange connecting portion 5.4 being connected with nozzle body 2, in the cylinder at middle part
Part be designed with uniform three protective gas air inlet 5.1, conical section it is symmetrical be provided with cooling water intake 5.6 and and
Outlet 5.8, in uniform four mounting ears 5.2 in periphery；Described cooling jacket 5.7, in inverted cone, there is annular point water inside
Layer；Described nozzle head 5.5 and cooling jacket 5.7 is connected by way of welding or being threadedly coupled, and nozzle 5 is constituted together.
Described nozzle body 2 is hollow cylinder, and in cylinder both sides the notch parallel with cylinder axis is provided with；Its
Upper and lower ends are designed with can provide the installing plate of installation site for shower nozzle other parts, and be designed with respectively with connecting cylinder 1
And the connecting interface between nozzle inner core 5.5.
As shown in Fig. 2 the changeable optical path system 3 mainly includes light path system and position regulating system two parts.It is described
Light path system be made up of beam expanding lens 1.1, convex lenss A 3.4 and convex lenss B 3.5, their center is point-blank；Expand
Beam mirror 1.1 is installed among connecting cylinder 1.1, is maintained static.Ensure between lens A 3.4 and lens B 3.5 during regulation
Focal length of the distance more than convex lenss A 3.4.
Described position regulating system is symmetrically arranged on the installation of nozzle body 2 by two groups of identical structure compositions
On plate.Per group can self-movement, be respectively used to adjust the position of lens A 3.4 and lens B 3.5.Each group all by cylinder
Guide rail 1 3.1, lens tabletting 3.2, lens holder 3.3, guide rail slide block 1 3.6, leading screw support base 3.7, servomotor 3.8, company
Axle device 3.9, ball-screw 3.10, ball-screw nut 3.11 and guide rail slide block 2 3.12 are constituted.The servomotor 3.8 is with spiral shell
Bolt is fixed on the upper junction plate of nozzle body 2, and servomotor 3.8 is connected with shaft coupling 3.9；The one end of the ball-screw 3.10
It is connected with shaft coupling 3.9, other end is connected with the leading screw support base 3.7 being fixed on the lower connecting plate of nozzle body 2, pacifies thereon
Equipped with feed screw nut 3.11；The described two ends of cylindrical guide 1 3.1 have screw thread, are bolted in nozzle body 2；Institute
The guide rail slide block 1 3.6 stated has a connector, and on cylindrical guide 1 3.1, the connector of guide rail slide block 1 3.6 leads to
The notch for crossing cylindrical drum side is connected with one end of lens holder 3.3；The guide rail slide block 2 3.12 has two connectors, peace
It is mounted in above the cylindrical guide 1 3.6 of symmetrical side, one of connector is connected with ball-screw nut 3.11, another connection
Mouth is connected by the notch of cylindrical drum side with the other end of lens holder 3.3；Convex lenss A and B are arranged on lens holder
Upper 3.3, compressed by lens tabletting 3.2, lens holder 3.3 and lens tabletting 3.2 are with bolt connection.When the He of guide rail slide block 1 3.6
Drive convex lenss A, B to move in the hollow space of nozzle body 2 when guide rail slide block 2 3.12 is moved, change light path.
In order to ensure the stationarity that lens are moved in described position regulating system, the both sides of lens holder 3.3 are respectively with one
Individual guide rail slide block 1 and guide rail slide block 2 connect；In order to the guide rail slide block 1 and guide rail slide block 2 that simplify structure homonymy share a cylinder
Guide rail 1.
Fig. 3 gives and realizes the continuous principle schematic for changing spot diameter size and precise control facula position.Expand
Mirror 1.1 has two effects：The first reduces the angle of divergence of laser beam, improves the convergence of light beam, and it two is that laser beam is expanded
Beam, makes lasing beam diameter become big, is suitable to the regulation of subsequent optical path.Contrast（b）With（c）, it can be seen that keeping convex lenss A 3.4
In the case that relative position is constant and convex lenss B 3.5 between, change convex lenss A 3.4 and convex lenss B 3.5 and beam expanding lens
Relative position between 1.1 just can keep changing the position of hot spot in the case that spot diameter size is constant；Contrast（a）With
（c）As can be seen that changing relative position between convex lenss A 3.4 and convex lenss B 3.5, it is possible to continuously change hot spot
The size of diameter, while appropriate adjusts convex lenss A 3.4 and the relative position between convex lenss B 3.5 and beam expanding lens 1.1, just
While continuous change spot diameter size the position of hot spot can be kept constant.
As shown in Figure 4 described adjustable powder feeding position system 4 includes push and pull system and regulating system two parts.Described company
Lever system is made up of four quadric chains.As shown in figure 5, described quadric chain is by pin 4.10, fork 4.11, regulating block
1 4.12, bolt and nut auxiliary connection 4.13, connecting rod 4.14, guide plate 4.15 and regulating block 2 4.16 are constituted.Regulating block 1 4.12
Be fixed among the chute of guide plate 4.15 with bolt and nut auxiliary connection 4.13 with regulating block 2 4.16, one end of connecting rod 4.14 with
Mounting ear 5.2 on nozzle inner core is connected with pin 4.10, and the other end and regulating block 2 4.16 are fixed with nut auxiliary connection 4.13；Pendulum
The one end of bar 4.11 and the pin connection of regulating block 1 4.12, other end is connected with guide rail slide block 3 4.8 with pin 4.10.
The identical structure composition that described regulating system is symmetrically mounted on the both sides of nozzle body 2 by two groups.Each group all by
Servomotor 4.1, shaft joint 4.2, cylindrical guide 2,4.3, it is ball-screw 4.4, ball-screw nut 4.5, cross bar 1 4.6, horizontal
Bar 2 4.7, guide rail slide block 3 4.8 and leading screw support base 4.9 are constituted.Described servomotor 4.1, shaft joint 4.2, ball-screw
4.4th, the mounting means of ball-screw nut 4.5, leading screw support base 4.9, cylindrical guide 2 4.3 and guide rail slide block 3 4.8 is therewith
It is front it is described can brightness-changing system each corresponding intrument of position regulating system connected mode it is identical；Described guide rail slide block 3 4.8 is same
Sample has two connecting interfaces, is connected with one end of cross bar 1 4.6 and cross bar 2 4.7 respectively；Cross bar 1 4.6 and ball-screw spiral shell
Female 4.5 connect.Two groups of identical structures of described regulating system are rigidly connected with cross bar 4.7, it is ensured that four powder feeding pipes are being adjusted
During can be synchronized with the movement.The ball-screw adjutant's motor for so being constituted by ball-screw 4.4 and ball-screw nut 4.5
Rotary motion be changed into linear motion, and drive guide rail slide block 3 4.8 for linear motion along cylindrical guide 2 4.3, changed with this
Become the angle between fork 4.11 and the axis of nozzle body 2.
The described end of guide plate 4.15 described in each is all fixed with a discharge tube 4.17；Described guide plate
4.15 and fixed with bolt and nut auxiliary connection 4.13 between regulating block 1 4.12, regulating block 2 4.16 and connecting rod 4.14, can be with
By changing the distance between regulating block 1 4.12 and regulating block 2 4.16 and the angle between connecting rod 4.14 and guide plate 4.15
Obtain the quadric chain of Different structural parameters so that there are powder-feeding nozzle multiple different powder streams to converge focal length variations section can
Choosing.
Described connecting cylinder 1 has external screw thread to be connected with optical fiber laser on top, and lower end has and is connected with nozzle body 2
Adpting flange, beam expanding lens 1.1 is installed inside it.
Therefore the present invention can continuously change spot diameter and powder feeding position, and facula position can be changed it is allowed to and powder
The later and decadent stage of a school of thought converges focus and overlaps, and the contradiction between cladding efficiency and cladding precision in laser melting coating is solved well, contributes to multiple
The realization of miscellaneous curved surface laser melting and coating process.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.
The above, only presently preferred embodiments of the present invention, not to limit the present invention, it is noted that for this skill
For the those of ordinary skill in art field, some improvement can also be made under the premise without departing from the principles of the invention, it is every according to
According to any trickle amendment, equivalent and improvement that the technical spirit of the present invention is made to above example, this is should be included in
Within the protection domain of inventive technique scheme.
Claims (5)
1. a kind of coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position, it is characterised in that：It is connected with optical fiber laser
Connecting cylinder（1）, nozzle body（2）, changeable optical path system（3）, adjustable powder feeding position system（4）And nozzle（5）；
The connecting cylinder（1）Upper end is connected with optical fiber laser, lower end and nozzle body（2）Connection；
The nozzle（5）By nozzle inner core（5.5）And cooling jacket（5.7）Composition；Nozzle inner core（5.5）Top is provided with protective glass
Piece（5.3）Installation site and and nozzle body（2）The flange connecting portion of connection（5.4）, the column part at middle part is provided with
The air inlet of even distribution（5.1）, conical section it is symmetrical be provided with cooling water intake（5.6）And outlet（5.8）, in periphery
It is designed with engaging lug（5.2）；The cooling jacket（5.7）In inverted cone, inside has point water layer of annular；
The nozzle body（2）For hollow cylinder, nozzle body（2）Both sides are provided with the notch parallel with cylinder axis, spray
Head main body（2）Upper and lower ends are equipped with installing plate, and be provided with respectively with connecting cylinder（1）And nozzle inner core（5.5）The interface of connection；
The changeable optical path system（3）Including position regulating system and light path system；
The position regulating system is arranged on nozzle body by two groups of identical structure compositions, two groups of symmetrical configurations（2）Installation
On plate；Every group of structure can self-movement, every group of structure all include cylindrical guide 1 (3.1), lens tabletting (3.2), lens support
Frame (3.3), guide rail slide block 1 (3.6), leading screw support base (3.7), servomotor（3.8）, shaft joint（3.9）, ball-screw
（3.10）, ball-screw nut（3.11）With guide rail slide block 2 (3.12)；
The servomotor (3.8) is fixed on the installing plate of nozzle body (2) upper end, the leading screw support base（3.7）It is fixed
On the installing plate of nozzle body (2) lower end；The servomotor（3.8）With shaft coupling（3.9）It is connected；The ball-screw
（3.10）One end and shaft coupling（3.9）Connection, other end and leading screw support base（3.7）Connection；Ball-screw（3.10）Upper peace
Equipped with ball-screw nut（3.11）；
The cylindrical guide 1（3.1）It is fixed on nozzle body（2）On；The guide rail slide block 1（3.6）Installed in cylindrical guide 1
（3.1）On, guide rail slide block 1（3.6）With lens holder（3.3）One end connection；The guide rail slide block 2（3.12）Installed in relative
The cylindrical guide 1 answered（3.6）On, guide rail slide block 2 respectively with ball-screw nut（3.11）And lens holder（3.3）Other one
End connection；The lens holder（3.3）Both sides respectively with a guide rail slide block 1（3.6）With guide rail slide block 2（3.12）Connection；Together
The guide rail slide block 1 of side（3.6）With guide rail slide block 2（3.12）Share a cylindrical guide 1（3.1）；
The light path system includes beam expanding lens（1.1）, convex lenss A（3.4）With convex lenss B（3.5）, their center is straight at one
On line；The convex lenss A（3.4）With convex lenss B（3.5）All it is arranged on lens holder（3.3）On, by lens tabletting（3.2）
It is fixed；The beam expanding lens（1.1）It is installed on connecting cylinder（1）Among；
The adjustable powder feeding position system (4) is including push and pull system and regulating system two parts；
The push and pull system is made up of multiple quadric chains；
The quadric chain includes pin（4.10）, fork（4.11）, regulating block 1（4.12）, bolt and nut auxiliary connection（4.13）、
Connecting rod（4.14）, guide plate（4.15）With regulating block 2（4.16）；The regulating block 1（4.12）With regulating block 2（4.16）By spiral shell
Bolt nut auxiliary connection（4.13）It is fixed on guide plate（4.15）；The connecting rod（4.14）One end and nozzle inner core（5.5）Peace
Dress ear（5.2）By pin（4.10）Connection, the other end and regulating block 2（4.16）By bolt and nut auxiliary connection（4.13）It is fixed；
The fork（4.11）One end and regulating block 1（4.12）By pin（4.10）Connection, other end and guide rail slide block 3（4.8）It is logical
Cross pin（4.10）Connection；The guide plate（4.15）End is fixed with discharge tube（4.17）；
The regulating system is symmetrically mounted on nozzle body by two groups（2）The identical structure composition of both sides, each group of structure includes
Servomotor（4.1）, shaft joint（4.2）, cylindrical guide 2（4.3）, ball-screw（4.4）, ball-screw nut（4.5）, cross bar
1（4.6）, cross bar 2（4.7）, guide rail slide block 3（4.8）With ball-screw support base（4.9）；The servomotor（4.1）, connecting shaft
Device（4.2）, ball-screw（4.4）, ball-screw nut（4.5）, leading screw support base（4.9）, cylindrical guide 2（4.3）And guide rail
Slide block 3（4.8）Mounting means with it is described can brightness-changing system（3）The each corresponding intrument of position regulating system connected mode phase
Together；The guide rail slide block 3（4.8）Respectively with cross bar 1（4.6）With cross bar 2（4.7）One end connection；The cross bar 1（4.6）With
Ball-screw nut（4.5）Connection；Two groups of structures of the regulating system pass through cross bar 2（4.7）It is rigidly connected.
2. the coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position according to claim 1, it is characterised in that：Institute
State connecting cylinder（1）Upper end is provided with external screw thread, connecting cylinder（1）It is connected with optical fiber laser by external screw thread.
3. the coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position according to claim 1 and 2, its feature exists
In：The connecting cylinder（1）Lower end is provided with adpting flange, connecting cylinder（1）By adpting flange and nozzle body（2）Connection.
4. the coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position according to claim 1 and 2, its feature exists
In：The nozzle inner core（5.5）And cooling jacket（5.7）By welding or being threadedly coupled.
5. the coaxial powder-feeding shower nozzle for automatically adjusting hot spot and powder feeding position according to claim 1 and 2, its feature exists
In：The air inlet（5.1）Quantity be three.
Priority Applications (1)
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| CN107199340A (en) * | 2017-08-02 | 2017-09-26 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN107419265A (en) * | 2017-08-21 | 2017-12-01 | 武汉武钢华工激光大型装备有限公司 | A kind of laser wide-band cladding shower nozzle |
| CN108036216A (en) * | 2018-01-31 | 2018-05-15 | 杭州衡利电子技术有限公司 | Light spot adjusting mechanism and even smooth lamp |
| CN108396282A (en) * | 2018-05-31 | 2018-08-14 | 山东大学 | The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment |
| CN108504981A (en) * | 2018-05-31 | 2018-09-07 | 山东大学 | One kind adjustable multichannel powder feeding frame used for hot spraying and spraying equipment |
| CN108707896A (en) * | 2018-08-14 | 2018-10-26 | 辽宁增材制造产业技术研究院有限公司 | A kind of laser melting coating powder-feeding nozzle |
| CN108866543A (en) * | 2018-07-19 | 2018-11-23 | 沈阳工业大学 | Extension type coaxial powder-feeding multifunctional nozzle |
| CN109226764A (en) * | 2018-11-19 | 2019-01-18 | 大连理工大学 | A kind of gear reparation dedicated laser feeding head of anti-interference |
| CN109680273A (en) * | 2018-12-27 | 2019-04-26 | 西安必盛激光科技有限公司 | A kind of adjustable laser melting coating system of laser angle |
| CN110385435A (en) * | 2019-08-02 | 2019-10-29 | 山东省科学院激光研究所 | A kind of motor control laser variable-focus hot spot automatic adjusting mechanism |
| CN110904453A (en) * | 2019-12-27 | 2020-03-24 | 浙江工业大学 | Device for adjusting relative position of supersonic laser deposition light spot/powder spot in real time |
| CN111001809A (en) * | 2020-01-07 | 2020-04-14 | 首都航天机械有限公司 | Optical powder tight coupling self-coordination coaxial powder feeding laser additive machining head |
| CN109158600B (en) * | 2018-09-18 | 2020-06-05 | 西北工业大学 | Device and method for automatically matching relative positions of light spots and powder spots in synchronous powder feeding laser additive manufacturing |
| CN111926328A (en) * | 2020-09-14 | 2020-11-13 | 哈尔滨理工大学 | Powerful's novel coaxial powder feeding device |
| CN112853343A (en) * | 2020-12-31 | 2021-05-28 | 北京机科国创轻量化科学研究院有限公司烟台分公司 | Self-zooming laser cladding forming device and method |
| CN113828803A (en) * | 2021-10-07 | 2021-12-24 | 哈尔滨理工大学 | All-round pressurized coaxial powder feeding nozzle device of adjusting |
| CN115351714A (en) * | 2022-07-26 | 2022-11-18 | 安徽恒意硬面工程股份有限公司 | Dust-free environment-friendly closed hot roll surface strengthening treatment system |
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| CN101158040A (en) * | 2007-11-09 | 2008-04-09 | 燕山大学 | Coaxial powder feeding apparatus |
| CN102061467A (en) * | 2010-11-02 | 2011-05-18 | 中国石油大学(华东) | Adjustable laser coaxial powder-feeding nozzle |
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| CN107199340A (en) * | 2017-08-02 | 2017-09-26 | 鑫精合激光科技发展（北京）有限公司 | A kind of shaping of metal powders device head |
| CN107419265A (en) * | 2017-08-21 | 2017-12-01 | 武汉武钢华工激光大型装备有限公司 | A kind of laser wide-band cladding shower nozzle |
| CN108036216A (en) * | 2018-01-31 | 2018-05-15 | 杭州衡利电子技术有限公司 | Light spot adjusting mechanism and even smooth lamp |
| CN108504981A (en) * | 2018-05-31 | 2018-09-07 | 山东大学 | One kind adjustable multichannel powder feeding frame used for hot spraying and spraying equipment |
| CN108396282A (en) * | 2018-05-31 | 2018-08-14 | 山东大学 | The outer powder feeding frame of one kind adjustable multichannel used for plasma spraying and spraying equipment |
| CN108504981B (en) * | 2018-05-31 | 2024-01-02 | 山东大学 | Adjustable multi-path powder feeding frame for thermal spraying and spraying equipment |
| CN108396282B (en) * | 2018-05-31 | 2024-01-30 | 山东大学 | Adjustable multi-way powder feeding frame for plasma spraying and spraying equipment |
| CN108866543A (en) * | 2018-07-19 | 2018-11-23 | 沈阳工业大学 | Extension type coaxial powder-feeding multifunctional nozzle |
| CN108866543B (en) * | 2018-07-19 | 2020-04-17 | 沈阳工业大学 | Telescopic coaxial powder feeding multifunctional spray head |
| CN108707896A (en) * | 2018-08-14 | 2018-10-26 | 辽宁增材制造产业技术研究院有限公司 | A kind of laser melting coating powder-feeding nozzle |
| CN109158600B (en) * | 2018-09-18 | 2020-06-05 | 西北工业大学 | Device and method for automatically matching relative positions of light spots and powder spots in synchronous powder feeding laser additive manufacturing |
| CN109226764A (en) * | 2018-11-19 | 2019-01-18 | 大连理工大学 | A kind of gear reparation dedicated laser feeding head of anti-interference |
| CN109226764B (en) * | 2018-11-19 | 2020-01-24 | 大连理工大学 | Special laser powder feeding head for preventing interference in gear repair |
| CN109680273B (en) * | 2018-12-27 | 2024-05-31 | 西安必盛激光科技有限公司 | Laser cladding system with adjustable laser angle |
| CN109680273A (en) * | 2018-12-27 | 2019-04-26 | 西安必盛激光科技有限公司 | A kind of adjustable laser melting coating system of laser angle |
| CN110385435A (en) * | 2019-08-02 | 2019-10-29 | 山东省科学院激光研究所 | A kind of motor control laser variable-focus hot spot automatic adjusting mechanism |
| CN110385435B (en) * | 2019-08-02 | 2024-03-01 | 山东省科学院激光研究所 | Motor-controlled laser zooming facula automatic adjusting mechanism |
| CN110904453A (en) * | 2019-12-27 | 2020-03-24 | 浙江工业大学 | Device for adjusting relative position of supersonic laser deposition light spot/powder spot in real time |
| CN110904453B (en) * | 2019-12-27 | 2024-03-26 | 浙江工业大学 | Device for adjusting relative position of supersonic laser deposition light spot/powder spot in real time |
| CN111001809A (en) * | 2020-01-07 | 2020-04-14 | 首都航天机械有限公司 | Optical powder tight coupling self-coordination coaxial powder feeding laser additive machining head |
| CN111926328A (en) * | 2020-09-14 | 2020-11-13 | 哈尔滨理工大学 | Powerful's novel coaxial powder feeding device |
| CN112853343B (en) * | 2020-12-31 | 2023-11-10 | 北京机科国创轻量化科学研究院有限公司烟台分公司 | Self-zooming laser cladding forming device and method |
| CN112853343A (en) * | 2020-12-31 | 2021-05-28 | 北京机科国创轻量化科学研究院有限公司烟台分公司 | Self-zooming laser cladding forming device and method |
| CN113828803A (en) * | 2021-10-07 | 2021-12-24 | 哈尔滨理工大学 | All-round pressurized coaxial powder feeding nozzle device of adjusting |
| CN115351714B (en) * | 2022-07-26 | 2023-08-29 | 安徽恒意硬面工程股份有限公司 | Dust-free environment-friendly closed type hot roller surface strengthening treatment system |
| CN115351714A (en) * | 2022-07-26 | 2022-11-18 | 安徽恒意硬面工程股份有限公司 | Dust-free environment-friendly closed hot roll surface strengthening treatment system |
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