CN206616272U - A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property - Google Patents
A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property Download PDFInfo
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- CN206616272U CN206616272U CN201720229289.3U CN201720229289U CN206616272U CN 206616272 U CN206616272 U CN 206616272U CN 201720229289 U CN201720229289 U CN 201720229289U CN 206616272 U CN206616272 U CN 206616272U
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- feeding pipe
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Abstract
A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property, cladding head is externally provided with dust feeder, and dust feeder is arranged on cladding head surrounding by can adjust the adjusting means of powder convergence property；Dust feeder includes upper powder feeding portion and lower powder feeding portion；Adjusting means includes the fixed sleeve being set on cladding head and the rotating disk being rotatably sleeved on cladding head, and sleeve is located at the top of rotating disk；Upper powder feeding portion is fixedly installed on sleeve, and lower powder feeding portion is fixedly installed on rotating disk；Rotating disk is also associated with drive device, and drive device includes the gear segment set along the neighboring of rotating disk and the driving gear being engaged with gear segment, and driving gear is arranged on the side of rotating disk, and the output shaft of driving gear and motor is fixedly linked；Also include being used to monitor the angle monitor device and central controller of the rotational angle of motor, central controller is connected one by one with drive device, angle monitor device.
Description
Technical field
The utility model is related to a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property.
Background technology
With the increase continued to develop with industrial use of laser melting and coating technique, the geometry for processing part is more and more multiple
It is miscellaneous so as to need to change the width of cladding track in process.In process, swashed by directly being moved in vertical direction
Light cladding head, changes the position of laser beam focal, thus it is possible to vary the size of workpiece surface hot spot.A kind of existing new zoom
Laser melting coating head, is united, you can change at any time add in process by the moving lens system inside mobile laser melting coating head
The size of work piece surface hot spot, it is online to change cladding track width.
Common laser coaxial powder feeding nozzle can not adjust powder convergent point in real time according to the position of laser beam focal
Diameter so that the size that the size of piece surface hot spot converges spot diameter with powder is mismatched, it is impossible to realized high-precision, high-quality
Amount, cladding layer of good performance, shaping efficiency, powder using efficiency be not high, and this popularization for undoubtedly limiting laser melting and coating technique should
With laser melting coating industry needs a kind of economic, efficient laser-welded structure to meet actual demand.
The content of the invention
To overcome defect present in background technology, the utility model provides a kind of diameter of powder convergent point can be with
The laser coaxial tube cell formula powder feeding spray of the adjustable powder convergence property dynamically adjusted in real time according to the spot diameter of the treatment of surfaces of components
Mouth.
The technical scheme that the utility model solves the above problems is：
A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property, including cladding head, the cladding head edge are perpendicular
Nogata to top be provided with laser entrance, the lower section of the cladding head vertically be provided with laser exit；Outside the cladding head
Provided with dust feeder, dust feeder is arranged on cladding head surrounding by can adjust the adjusting means of powder convergence property；
The dust feeder includes upper powder feeding portion and lower powder feeding portion；The adjusting means includes fixation and is set on cladding head
Sleeve and the rotating disk that is rotatably sleeved on cladding head, and sleeve is located at the top of the rotating disk；The upper powder feeding portion consolidates
Surely it is arranged on sleeve, the lower powder feeding portion is fixedly installed on rotating disk；
The upper powder feeding portion includes some upper powder feeding pipes for being spaced at sleeve periphery, and the upper powder feeding pipe is to sleeve
Top extension, the upper powder feeding pipe include being used for the first import for being connected with powder feeder and for docked with lower powder feeding portion the
One outlet；First import is located at the top of sleeve, and the first outlet is located at the lower section of sleeve；
The lower powder feeding portion is located at the lower section of rotating disk, and the lower powder feeding portion includes powder feeding pipe group, upper powder feeding under some groups
Portion is connected with powder feeding pipe group under wherein any one group, and powder feeding pipe group includes some for one by one to connecting powder feeding pipe under every group
Lower powder feeding pipe；Lower powder feeding pipe aperture is identical in group, and the aperture of any two groups of lower powder feeding pipe is different；The extended line of lower powder feeding pipe
Intersect with the extended line of the axis of cladding head, to ensure the laser from laser exit and the powder of the outlet from lower powder feeding pipe
Body is converged；
Lower powder feeding pipe is included for the second import docked with first outlet and the second outlet drawn close to cladding head, and the
One outlet connect with the second import by the through hole being opened on rotating disk, through hole up/down perforation rotating disk, and through hole including for
The base opening of second inlet communication and the top opening for being connected with first outlet,
The rotating disk is also associated with drive device, the drive device include the gear segment set along the neighboring of rotating disk and
The driving gear being engaged with the gear segment, the driving gear is arranged on the side of rotating disk, and driving gear and motor
Output shaft is fixedly linked；
Also include being used to monitor the angle monitor device and central controller of the rotational angle of motor, the central controller
It is connected one by one with drive device, angle monitor device.
Further, the angle monitor device is the angular displacement sensor being arranged on motor output shaft, the angular displacement
Sensor will monitor the rotational angle information conveyance of motor to central controller, and central controller is according to the motor received
Rotational angle information calculates the rotational angle of rotating disk, and central controller opening according to the rotational angle controlled motor of rotating disk
Stop.
Further, upper powder feeding pipe is arranged on the neighboring of sleeve by connecting rod, and the connecting rod is to sleeve external radiation, connecting rod
One end be fixed on sleeve outer wall face, the other end is fixed and is set in the set hole provided with set hole, the upper powder feeding pipe.
Further, the through hole is screwed hole, and the second import of lower powder feeding pipe is spirally connected with through hole, and the base opening of through hole is straight
Footpath is identical with the second import, and the top opening diameter of through hole is identical with first outlet.
Further, the stopping means of rotating disk is provided between sleeve and rotating disk, to overcome the inertia of rotating disk, the stopping means
Including the buckle being engaged and card division, the fixing end of the buckle is fixed on sleeve, and the free end of buckle extends to rotating disk, and
The free end of buckle has spherical discount；The card division includes the shallow ball of positioning of each lower powder feeding pipe in several one-to-one corresponding groups
Groove, the shallow ball groove of positioning is arranged on the upper surface of rotating disk, and the number for positioning shallow ball groove is identical with the group number of lower powder feeding pipe group,
And the central angle of the two neighboring shallow ball groove of positioning is equal with the central angle of two neighboring corresponding lower powder feeding pipe.
Further, rotating disk is connected with cladding head by bearing.
Further, the quantity of lower powder feeding pipe is identical with the quantity of upper powder feeding pipe in organizing, and the upper powder feeding pipe is along outside sleeve
All equidistantly arrangements.
Further, the motor is fixed on the side of cladding head by support.
Further, first outlet is close to the upper surface of rotating disk.
Further, upper powder feeding portion includes 3 upper powder feeding pipes for being equidistantly arranged in sleeve periphery, and lower powder feeding portion includes 3 groups
Lower powder feeding pipe group, and lower powder feeding pipe group is respectively greater than including caliber, is equal to and less than 3 lower powder feeding pipes of upper powder feeding pipe caliber.
The beneficial effects of the utility model are mainly manifested in：
1st, by the lower powder feeding pipe of the replaceable different tube diameters of rotary turnplate, regulation powder convergence property obtains different size straight
The powder convergent point in footpath with spot diameter to match.
2nd, the powder feeding pipe that the utility model has a variety of different tube diameters is exported, and can meet the powder feeding of different densities and granularity
It is required that, the different types of powder of cladding is adapted to, the need for adapting to various lasers, using with popularity.
3rd, using coaxial array tube cell formula powder feeding, it can ensure that the uniformity of powder stream convergence.
4th, powder stream can form uniformly " powder curtain " in cladding area, can ensure that the uniform of powder in the presence of carrier gas
Property, stability.
5th, it is simple and reasonable, it is easily achieved in manufacturing process.
Brief description of the drawings
Fig. 1 is axonometric drawing of the present utility model
Fig. 2 is front view of the present utility model
Fig. 3 is dust feeder and the structural representation of adjusting means
Fig. 4 is Fig. 3 top view
Fig. 5 be in Fig. 4 A-A to sectional view
Fig. 6 is rotating disk axonometric drawing
Fig. 7 is rotating disk front view
Fig. 8 is B-B direction sectional view in Fig. 7
Fig. 9 is that caliber is less than the lower powder feeding pipe of upper powder feeding pipe and the structural representation of upper powder feeding pipe insertion
Figure 10 is caliber and powder feeding pipe under the caliber identical of upper powder feeding pipe and the structural representation of upper powder feeding pipe insertion
Figure 11 is that caliber is more than the lower powder feeding pipe of upper powder feeding pipe and the structural representation of upper powder feeding pipe insertion
Embodiment
Referring to the drawings, a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property, including cladding head 14, it is described
The top of cladding head 14 vertically is provided with laser entrance, and the lower section of the cladding head 14 vertically goes out provided with laser
Mouthful；The cladding head 14 is externally provided with dust feeder, and dust feeder is arranged on molten by can adjust the adjusting means of powder convergence property
Cover first 14 surrounding；
The dust feeder includes upper powder feeding portion and lower powder feeding portion；The adjusting means includes fixation and is set in cladding head 14
On sleeve 12 and the rotating disk 5 that is rotatably sleeved on cladding head 14, and sleeve 12 is located at the top of the rotating disk 5；It is described
Upper powder feeding portion is fixedly installed on sleeve 12, and the lower powder feeding portion is fixedly installed on rotating disk 5；
The upper powder feeding portion includes some upper powder feeding pipes 13 for being spaced at the periphery of sleeve 12, the upper powder feeding pipe 13
Extend to the top of sleeve 12, the upper powder feeding pipe 13 include being used for the first import for being connected with powder feeder and for lower powder feeding
The first outlet of portion's docking；First import is located at the top of sleeve 12, and the first outlet is located at the lower section of sleeve 12；
The lower powder feeding portion is located at the lower section of rotating disk 5, and the lower powder feeding portion includes powder feeding pipe group, upper powder feeding under some groups
Portion is connected with powder feeding pipe group under wherein any one group, and powder feeding pipe group includes some for one by one to connecting powder feeding pipe under every group
Lower powder feeding pipe 6,7,8；Lower powder feeding pipe caliber is identical in group, and the caliber of any two groups of lower powder feeding pipe is different；Lower powder feeding pipe 6,
7th, 8 extended line intersects with the extended line of the axis of cladding head 14, to ensure that the laser from laser exit is sent with coming from down
The powder convergence of the outlet of tube cell 6,7,8；
Lower powder feeding pipe 6,7,8 includes being used for the second import for being docked with first outlet and second gone out to what cladding head 14 was drawn close
Mouthful, and first outlet connects with the second import by being opened on rotating disk 5 through hole, through hole up/down perforation rotating disk 5, and through hole bag
Include for the base opening with the second inlet communication and the top opening for being connected with first outlet；
The rotating disk 5 is also associated with drive device, and the drive device includes the gear segment set along the neighboring of rotating disk 5
With the driving gear 4 being engaged with the gear segment, the driving gear 4 is arranged on the side of rotating disk 5, and driving gear 4 with
The output shaft of motor 2 is fixedly linked；
Also include being used to monitor the angle monitor device and central controller of the rotational angle of motor 2, the center control
Device is connected one by one with drive device, angle monitor device, and central controller is calculated indirectly by monitoring the rotational angle of motor 2
Go out the rotational angle of rotating disk 5, to control the rotational angle of rotating disk 5, to ensure upper powder feeding pipe 13 and predetermined lower powder feeding pipe
Accurate alignment.
The angle monitor device is the angular displacement sensor 1 being arranged on the output shaft of motor 2, the angular displacement sensor
1 will monitor the rotational angle information conveyance of motor 2 to central controller, and central controller turns according to the motor 2 received
Dynamic angle information calculates the rotational angle of rotating disk 5, and central controller opening according to the rotational angle controlled motor 2 of rotating disk 5
Stop.
Upper powder feeding pipe 13 is arranged on by connecting rod on the neighboring of sleeve 12, and the connecting rod is to the external radiation of sleeve 12, connecting rod
One end be fixed in the outside wall surface of sleeve 12, the other end is fixed and is set in the set hole provided with set hole, the upper powder feeding pipe 13.
The through hole is screwed hole, and the second import of lower powder feeding pipe 6,7,8 and through hole be spirally connected, and the base opening diameter of through hole
Identical with the second import, the top opening diameter of through hole is identical with first outlet.
The stopping means of rotating disk 5 is provided between sleeve 12 and rotating disk 5, to overcome the inertia of rotating disk, the stopping means bag
The buckle being engaged and card division are included, the fixing end of the buckle is fixed on sleeve 12, and the free end of buckle 10 is prolonged to rotating disk 5
Stretch, and the free end of buckle 10 has spherical discount；The card division includes each lower powder feeding pipe in several one-to-one corresponding groups and determined
The shallow ball groove in position, the shallow ball groove of positioning is arranged on the upper surface of rotating disk 5, positions the number of shallow ball groove and the group of lower powder feeding pipe group
Number is identical, and the central angle of the two neighboring shallow ball groove of positioning is equal with the central angle of two neighboring corresponding lower powder feeding pipe.
When central controller driving rotating disk 5 turns over default angle, because rotating disk 5 has rotator inertia, it may make to send
Tube cell 13 can not be just aligned with predetermined lower powder feeding pipe, and the card division 10 in stopping means with rotating disk 5 turn over it is default
After angle, just fastened with the predetermined shallow ball groove of one of positioning, to overcome the inertia of rotating disk 5, it is ensured that upper powder feeding pipe 13 with
Predetermined lower powder feeding pipe is accurately aligned.
Rotating disk 5 is connected with cladding head 14 by bearing 11；And cladding head 14 is provided with stopping that stop bearing 11 is moved downward
Throw-out collar 9, the thrust ring 9 and laser melting coating first 14 are threadedly coupled.
The quantity of lower powder feeding pipe is identical with the quantity of upper powder feeding pipe 13 in group, and the upper powder feeding pipe is along periphery of sleeve 12 etc.
Spacing is arranged.
The motor 2 is fixed on the side of cladding head 14 by support 3.
First outlet is close to the upper surface of rotating disk 5.
Upper powder feeding portion includes 3 upper powder feeding pipes 13 for being equidistantly arranged in the periphery of sleeve 12, and lower powder feeding portion includes sending under 3 groups
Tube cell group, and lower powder feeding pipe group is respectively greater than including caliber, is equal to and less than 3 lower powder feeding pipes 6,7,8 of upper powder feeding pipe caliber.
Angular displacement sensor 1：Angular displacement sensor 1 is arranged on the output shaft of motor 2, and central controller is by detecting electricity
The corner of machine 2, the angle that measurement rotating disk 5 is turned over indirectly, forms semi-closed loop control system.Angular displacement sensor 1 can shape with motor 2
Into an entirety, to simplify structure, installation and debugging are convenient.
Motor 2：Motor 2 is servomotor, and is fixed by screws on support 3；Receive electric signal and move, and drive
Driving gear 4 rotates.
Support 3：Motor 2 is carried, and is fixed by screws in first 14 side of laser melting coating.
Driving gear 4：Driven by motor 2, and gear drive is formed with rotating disk 5.
Rotating disk 5：The edge of rotating disk 5 has gear segment, with the formation gear drive of driving gear 4；And given under various calibers
Tube cell 6,7,8 is threaded on rotating disk 5.
Upper powder feeding pipe 13：Caliber is 4mm, for conveying metal dust, is used for laser melting coating.
Lower powder feeding pipe group：Including powder feeding pipe group under 3 groups, every group all includes 3 lower powder feeding pipes 6,7,8, is caliber 6mm respectively
Powder feeding pipe 6, caliber 4mm powder feeding pipe 7 and caliber 2mm powder feeding pipe 8；And caliber 6mm powder feeding pipe 6 and giving for caliber 4mm
The central angle of tube cell 7 is 25 °, and the central angle of caliber 4mm powder feeding pipe 6 and caliber 2mm powder feeding pipe 7 is 20 °；Accordingly, divide
The central angle of the corresponding shallow ball groove of two neighboring positioning of the powder feeding pipe 7 of powder feeding pipe 6, caliber 4mm not with caliber 6mm is 25 °；
The central angle of the corresponding shallow ball groove of two neighboring positioning of powder feeding pipe 7, caliber 2mm powder feeding pipe 8 respectively with caliber 4mm is
20 °, as shown in Figure 7.
Caliber 6mm powder feeding pipe 6：Expansion outlet is cooperatively formed with upper powder feeding pipe 13, powder convergence concentration is relatively low, and powder converges
Poly- property is poor, and the powder convergent point caliber of formation is maximum, as shown in figure 11.
Caliber 4mm powder feeding pipe 7：Parallel exporting is cooperatively formed with upper powder feeding pipe 13, powder convergence concentration is general, and powder converges
Poly- property is general, and the powder convergent point caliber of formation is medium, as shown in Figure 10.
Caliber 2mm powder feeding pipe 8：Contraction outlet is cooperatively formed with upper powder feeding pipe 13, powder convergence concentration is higher, and powder converges
Poly- property is good, and the powder convergent point caliber of formation is minimum, as shown in Figure 9.
Thrust ring 9：For positioning of the bearing 11 on laser melting coating first 14, bearing 11 is prevented to move downward, the He of thrust ring 9
Laser melting coating first 14 is connected through a screw thread.
Card division 10：Rotating disk 5 turns over certain angle, and the dop of card division 10 enters in the presence of elastic force positions shallow ball groove,
For the auxiliary positioning of rotating disk 5, higher positioning precision can be obtained；The fixing end of card division 10 is connected by screw in sleeve 12
On.
Bearing 11：Rotating disk 5 is sleeved on laser melting coating first 14 by bearing 11 and relatively rotated, and the inner ring of bearing 11 is sleeved on sharp
On light cladding head 14, outer ring is in the centre bore of rotating disk 5.
Sleeve 12：For carrying upper powder feeding pipe 13, upper powder feeding pipe 13 and the gap of sleeve 12 coordinate, sleeve 12 and laser melting coating
First 14 gap coordinates.
Laser melting coating first 14：According to part requirements, the camera lens system inside laser melting coating first 14 is moved in process
System, changes the position of laser beam focal, so that change the size of workpiece surface hot spot, it is online to change cladding track width.
In process, the width of cladding track generally requires to change.A kind of existing new zoom laser melting coating head,
United by the moving lens system inside mobile laser melting coating head, laser beam focal can be changed at any time in process
Position, so that change the size of the treatment of surfaces of components hot spot, it is online to change cladding track width.Powder convergence spot diameter also should
Dynamically adjusted in real time according to the size of the treatment of surfaces of components spot diameter, the utility model is configured with different multigroup of caliber and sent
Tube cell 6,7,8, can change the powder feeding pipe outlet of various different tube diameters, the convergence of adjustment output powder by rotary turnplate 5
Property, obtain the different powder convergent point of diameter and matched with spot diameter.
Powder since after the outlet of lower powder feeding pipe 6,7,8 outflow gradually converge, concentration gradually increases, and ultimately forms powder
Convergent point.Under identical primary condition, remittance of the powder stream after shrinking outlet (lower powder feeding pipe 8 connects with upper powder feeding pipe 13)
Poly- concentration can be much larger than the convergence concentration of Parallel exporting (lower powder feeding pipe 7 connects with upper powder feeding pipe 13), and preferably, powder converges deflection
Poly- property is good, and the powder convergence spot diameter of formation is minimum, and powder using efficiency is higher during laser cladding forming.Powder stream is passed through
Convergence concentration behind expansion outlet (lower powder feeding pipe 6 connects with upper powder feeding pipe 13) is less than Parallel exporting (powder feeding pipe 7 and upper powder feeding
Pipe 13 connects) convergence concentration, deflection is poor, and powder convergence property is poor, and the powder convergence spot diameter of formation is maximum.
The lower powder feeding pipe 6,7,8 of different tube diameters is selected as seen through the above analysis, can be adjusted powder convergence property, be obtained
To the different powder convergent point of diameter.So when changing the size of the treatment of surfaces of components hot spot, can be selected by rotary turnplate 5
The lower powder feeding pipe 6,7,8 of different tube diameters is taken, the convergence of adjustment output powder obtains the different powder convergent point of diameter simultaneously
Matched with spot diameter, obtain high-quality cladding layer.
The centre bore of rotating disk 5 and the outer ring of bearing 11 form on coaxial cooperation, rotating disk 5 and screwed hole, screwed hole hole are distributed with
Footpath is of different sizes, and for installing the lower powder feeding pipe 6,7,8 of different tube diameters, lower powder feeding pipe group is evenly distributed on outside laser melting coating head
Side, and focus in beam axis.The excircle of rotating disk 5 is provided with the gear of part, with the formation gear drive of driving gear 4, active
Gear 4, which is moved back and forth, can drive the reciprocating rotary of rotating disk 5, and the lower powder feeding pipe 6,7,8 of upper powder feeding pipe 13 and different tube diameters coordinates.Turn
3 shallow ball grooves of positioning, when one of alignment of upper powder feeding pipe 13 and lower powder feeding pipe 6,7,8, card division are accompanied by circle of position disk
Dop enter by elastic force and position shallow ball groove, even if can still eliminate gap after abrasion, to obtain higher positioning precision, be used for
Auxiliary positioning.
Content described in this specification embodiment is only enumerating to the way of realization of utility model design, and this practicality is new
The protection domain of type is not construed as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model is also wrapped
Include those skilled in the art according to the utility model conceive it is conceivable that equivalent technologies mean.
Claims (10)
1. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property, including cladding head, the cladding head is along vertically
The top in direction is provided with laser entrance, and the lower section of the cladding head vertically is provided with laser exit；It is characterized in that：It is described
Cladding head is externally provided with dust feeder, and dust feeder is arranged on cladding head surrounding by can adjust the adjusting means of powder convergence property；
The dust feeder includes upper powder feeding portion and lower powder feeding portion；The adjusting means includes the fixed set being set on cladding head
Cylinder and the rotating disk being rotatably sleeved on cladding head, and sleeve is located at the top of the rotating disk；The upper powder feeding portion, which is fixed, to be set
Put on sleeve, the lower powder feeding portion is fixedly installed on rotating disk；
The upper powder feeding portion includes some upper powder feeding pipes for being spaced at sleeve periphery, and the upper powder feeding pipe is to the upper of sleeve
Portion extends, and the upper powder feeding pipe goes out including first for the first import being connected with powder feeder and for being docked with lower powder feeding portion
Mouthful；First import is located at the top of sleeve, and the first outlet is located at the lower section of sleeve；
The lower powder feeding portion be located at rotating disk lower section, the lower powder feeding portion include some groups under powder feeding pipe group, upper powder feeding portion with
Powder feeding pipe group is connected under wherein any one group, and powder feeding pipe group includes some for one by one to connecting under powder feeding pipe under every group
Powder feeding pipe；Lower powder feeding pipe caliber is identical in group, and the caliber of any two groups of lower powder feeding pipe is different；The extended line of lower powder feeding pipe is with melting
The extended line for covering the axis of head intersects, to ensure that the laser from laser exit and the powder of the outlet from lower powder feeding pipe converge
It is poly-；
Lower powder feeding pipe includes being used for the second import docked with first outlet and the second outlet drawn close to cladding head, and first goes out
Mouthful connect with the second import by the through hole being opened on rotating disk, through hole up/down perforation rotating disk, and through hole including for and second
The base opening of inlet communication and the top opening for being connected with first outlet,
The rotating disk is also associated with drive device, the drive device include the gear segment set along the neighboring of rotating disk and with institute
The driving gear that gear segment is engaged is stated, the driving gear is arranged on the side of rotating disk, and the output of driving gear and motor
Axle is fixedly linked；
Also include being used to monitor the angle monitor device and central controller of the rotational angle of motor, the central controller is with driving
Dynamic device, angle monitor device are connected one by one.
2. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 1, it is characterised in that：
The angle monitor device is the angular displacement sensor being arranged on motor output shaft, and the angular displacement sensor will monitor electricity
The rotational angle information conveyance of machine is calculated to central controller, central controller according to the rotational angle information of the motor received
Go out the rotational angle of rotating disk, and central controller is according to the start and stop of the rotational angle controlled motor of rotating disk.
3. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 2, it is characterised in that：
Upper powder feeding pipe is arranged on the neighboring of sleeve by connecting rod, and the connecting rod is fixed on set to sleeve external radiation, one end of connecting rod
On drum outer wall face, the other end is provided with set hole, and the upper powder feeding pipe, which is fixed, to be set in the set hole.
4. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 3, it is characterised in that：
The through hole is screwed hole, and the second import of lower powder feeding pipe is spirally connected with through hole, and the base opening diameter of through hole and the second import phase
Together, the top opening diameter of through hole is identical with first outlet.
5. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 4, it is characterised in that：
The stopping means of rotating disk is provided between sleeve and rotating disk, to overcome the inertia of rotating disk, the stopping means includes the button being engaged
Portion and card division, the fixing end of the buckle are fixed on sleeve, and the free end of buckle extends to rotating disk, and the free ending tool of buckle
There is spherical discount；The card division includes the shallow ball groove of positioning of each lower powder feeding pipe in several one-to-one corresponding groups, the shallow ball of positioning
Groove is arranged on the upper surface of rotating disk, and the number for positioning shallow ball groove is identical with the group number of lower powder feeding pipe group, and two neighboring positioning
The central angle of shallow ball groove is equal with the central angle of two neighboring corresponding lower powder feeding pipe.
6. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 5, it is characterised in that：
Rotating disk is connected with cladding head by bearing.
7. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 6, it is characterised in that：
The quantity of lower powder feeding pipe is identical with the quantity of upper powder feeding pipe in group, and the upper powder feeding pipe is equidistantly arranged along sleeve periphery.
8. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 7, it is characterised in that：
The motor is fixed on the side of cladding head by support.
9. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 8, it is characterised in that：
First outlet is close to the upper surface of rotating disk.
10. a kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property as claimed in claim 9, its feature exists
In：Upper powder feeding portion includes 3 upper powder feeding pipes for being equidistantly arranged in sleeve periphery, and lower powder feeding portion includes powder feeding pipe group under 3 groups, and
Lower powder feeding pipe group include caliber be respectively greater than, be equal to and caliber less than upper powder feeding pipe 3 lower powder feeding pipes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229289.3U CN206616272U (en) | 2017-03-10 | 2017-03-10 | A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229289.3U CN206616272U (en) | 2017-03-10 | 2017-03-10 | A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property |
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| CN206616272U true CN206616272U (en) | 2017-11-07 |
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| CN201720229289.3U Withdrawn - After Issue CN206616272U (en) | 2017-03-10 | 2017-03-10 | A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868503A (en) * | 2017-03-10 | 2017-06-20 | 浙江工业大学 | A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property |
| 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 |
| CN112962093A (en) * | 2021-01-26 | 2021-06-15 | 汕头大学 | Coaxial powder feeding laser cladding head for additive manufacturing |
-
2017
- 2017-03-10 CN CN201720229289.3U patent/CN206616272U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868503A (en) * | 2017-03-10 | 2017-06-20 | 浙江工业大学 | A kind of laser coaxial tube cell formula powder-feeding nozzle of adjustable powder convergence property |
| 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 |
| CN112962093A (en) * | 2021-01-26 | 2021-06-15 | 汕头大学 | Coaxial powder feeding laser cladding head for additive manufacturing |
| CN112962093B (en) * | 2021-01-26 | 2023-05-26 | 汕头大学 | Coaxial powder feeding laser cladding head for additive manufacturing |
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