CN206616271U - A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point - Google Patents
A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point Download PDFInfo
- Publication number
- CN206616271U CN206616271U CN201720228873.7U CN201720228873U CN206616271U CN 206616271 U CN206616271 U CN 206616271U CN 201720228873 U CN201720228873 U CN 201720228873U CN 206616271 U CN206616271 U CN 206616271U
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- Prior art keywords
- powder feeding
- sleeve
- feeding pipe
- powder
- cladding head
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- Withdrawn - After Issue
Links
- 239000000843 powder Substances 0.000 title claims abstract description 116
- 238000005253 cladding Methods 0.000 claims abstract description 68
- 230000008676 import Effects 0.000 claims abstract description 7
- 210000003746 feather Anatomy 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004372 laser cladding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Laser Beam Processing (AREA)
Abstract
A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point, powder feeding pipe is arranged on cladding head surrounding by the angle regulator of adjustable angle between powder feeding pipe and cladding head；Angle regulator includes sleeve, and the cross-sectional area of sleeve vertically is gradually reduced from top to bottom；The side of sleeve, which is provided between drive device, and sleeve and cladding head, is provided with guider；Powder feeding pipe is located at outside sleeve, and powder feeding pipe can slide up and down on setting sleeve outer wall face close to one end of import along sleeve outer wall face, and powder feeding pipe is hinged on cladding head close to one end of outlet, and the centre of powder feeding pipe is connected by spring with cladding head；Central controller is connected with drive device.While laser defocusing amount is changed, the utility model can dynamically adjust powder convergent point in real time, allow powder convergent point to fall all the time in the treatment of surfaces of components, realize cladding layer high-precision, high-quality, of good performance and cladding track variable-width.
Description
Technical field
The utility model is related to a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point.
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.In process, the width of cladding track generally requires to change.In process, by directly being moved in vertical direction
Dynamic laser melting coating head, changes the position of laser beam focal, so that change the size of workpiece surface hot spot, it is online to change cladding rail
Stitch width.Common laser coaxial powder feeding nozzle can not be converged according to the position adjustment powder of laser beam focal in real time online
Point position, powder convergent point can deviate processing part plane, it is impossible to realize cladding layer high-precision, high-quality, of good performance, into
Type efficiency, powder convergence property and powder using efficiency be not high, and this undoubtedly limits the popularization and application of laser melting and coating technique, it is necessary to one kind
Economic, efficient structure meets actual demand.
The content of the invention
To overcome defect present in background technology, the utility model, which provides one kind, to be changed in laser beam focal position
When, the adjustable powder-feeding nozzle of connecting rod lever powder convergent point of the position of synchronous adjustment powder convergent point.
The technical scheme that the utility model solves the above problems is：
A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point, including cladding head, it is described molten
The top of head vertically is covered provided with laser entrance, and the lower section of the cladding head vertically is provided with laser exit；
The cladding head is externally provided with powder feeding pipe, the angle that powder feeding pipe passes through adjustable angle between powder feeding pipe and cladding head
Adjusting means is arranged on cladding head surrounding；The outlet of powder feeding pipe is downward and is drawn close to laser exit, and the axis of powder feeding pipe
Extended line intersects with the extended line of the axis of cladding head, to ensure the laser from laser exit and the outlet from powder feeding pipe
Powder convergence；
The angle regulator includes sliding up and down to the sleeve being set on cladding head, and the sleeve is in hollow
It is round table-like, and the cross-sectional area of sleeve vertically is gradually reduced from top to bottom；The side of the sleeve is provided with actuating sleeve
The drive device that cylinder is slided up and down along cladding head outer wall, and guide sleeve is provided between the sleeve and the cladding head only along perpendicular
Guider from Nogata to slip；Powder feeding pipe is located at outside the sleeve, and the powder feeding pipe can be along sleeve close to one end of import
Outside wall surface slides up and down on setting sleeve outer wall face, and the powder feeding pipe is hinged on cladding head close to one end of outlet, described
The centre of powder feeding pipe is connected by spring with cladding head；
Also include central controller, the central controller is connected with drive device.
Further, the powder feeding pipe is provided with connecting rod close to one end of import, and one end of the connecting rod is vertically fixed on powder feeding
Guan Shang, the other end of the connecting rod is rotationally provided with roller, and the sleeve outer wall face is provided with from sleeve bottom to sleeve top
The chute of portion's extension, the roller is slidably disposed in the chute；The powder feeding pipe is fixed close to one end of outlet and set
There is rotating bar, the cladding head outer wall is provided with hinged seat, and the rotating bar is connected with hinged seat axle；The spring is located at connecting rod
Between rotating bar, and one end of spring is fixed in powder feeding pipe, and the other end is fixed on cladding head.
Further, the drive device includes spindle motor and feed screw nut, and the spindle motor is located at the top of sleeve,
And the output shaft of spindle motor is vertically downward, the feed screw nut being meshed with the output shaft is fixed on sleeve, the center
Controller is connected with spindle motor.
Further, the spindle motor is fixed on the side of cladding head by support, and the feed screw nut passes through connecting plate
It is fixed on the top surface of sleeve, the output shaft of the spindle motor is meshed through feed screw nut and with feed screw nut.
Further, in addition to suggestion device, the suggestion device includes fixed optoelectronic position sensing on the bracket
Device, the photoelectrical position sensor has the photosurface that Open Side Down, and the connecting plate is provided with upward baffle plate, the baffle plate
The opening of the photoelectrical position sensor is directed at, the opening is located on the movement locus of the baffle plate, and the optoelectronic position
Sensor is connected with central controller, and the signal detected is conveyed to central controller by the photoelectrical position sensor, center
Controller is connected with alarm, when photoelectrical position sensor, which detects baffle plate, to be entered in the opening, central controller driving
Alarm is acted.
Further, the photoelectrical position sensor is in horizontally disposed U-shaped, and the baffle plate is L-shaped, and the water of the baffle plate
Plane is fixed on connecting plate by screw bolt and nut.
Further, the guider includes the guide groove and feather key cooperated, and the guide groove is opened in vertically
On sleeve lining, the feather key is fixed on cladding head outer wall vertically, and the sleeve is slided up and down along the feather key.
Further, equidistantly provided with 3 powder feeding pipes on the neighboring of the sleeve.
While change in laser beam focal position, the utility model adjusts inclining for powder feeding pipe by angle regulator
Rake angle, with the position of synchronous adjustment powder convergent point, it is ensured that powder convergent point falls in the treatment of surfaces of components all the time.
The utility model is also configured with including the suggestion device of U groove profile photoelectrical position sensors, for preventing sleeve from exceeding
Collided during stroke with cladding head, origin can also be positioned as spindle motor.Using suggestion device in field of laser cladding
To realizing that cladding layer high-precision, high-quality, of good performance and raising powder convergence property and utilization rate play an important roll.
The beneficial effects of the utility model are mainly manifested in：
1. while laser defocusing amount is changed, the utility model can dynamically adjust powder convergent point in real time, allow powder to converge
Accumulation falls in the treatment of surfaces of components all the time, realizes cladding layer high-precision, high-quality, of good performance and cladding track width can
Become.
2. in different laser melting coating process, powder density used, granularity, and powder feeding rate, carrier gas are defeated
Transmission rate all can be different, and these parameters can all cause the change of powder convergent point, and the utility model can be in certain limit
The position of interior convenient adjustment powder convergent point.
3. using coaxial array tube cell formula powder feeding, the uniformity of powder stream convergence can ensure that.
4. powder stream is in the presence of carrier gas, uniformly " powder curtain " can be formed in cladding area, the uniform of powder is can ensure that
Property, stability.
5. it is simple and reasonable, it is easily achieved in manufacturing process.
Brief description of the drawings
Fig. 1 is front view of the present utility model
Fig. 2 is axonometric drawing of the present utility model
Fig. 3 is angle regulator structural representation
Fig. 4 is the top view of sleeve
Fig. 5 is the sectional view along A-A in Fig. 4
Embodiment
Referring to the drawings, a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point, including cladding
First 1, the top of the cladding head 1 vertically is provided with laser entrance, and the lower section of the cladding head vertically is provided with sharp
Light exit；The laser beam of laser is injected from laser entrance, and is gone out from laser exit, to converge to the treatment of surfaces of components
The cladding head 1 is externally provided with powder feeding pipe 7, and powder feeding pipe 7 passes through adjustable angle between powder feeding pipe 7 and cladding head 1
Angle regulator be arranged on the surrounding of cladding head 1；The outlet of powder feeding pipe 7 is downward and is drawn close to laser exit, and powder feeding pipe 7
The extended line of axis intersects with the extended line of the axis of cladding head 1, to ensure that the laser from laser exit is sent with coming from
The powder convergence of the outlet of tube cell 7；
The angle regulator includes sliding up and down to the sleeve 11 being set on cladding head 1, and the sleeve is in sky
The heart it is round table-like, and the cross-sectional area of sleeve vertically is gradually reduced from top to bottom；The side of the sleeve 11 is provided with
The drive device that drive sleeve 11 is slided up and down along the outer wall of cladding head 1, and provided with drawing between the sleeve 11 and the cladding head 1
The guider that guide pin bushing cylinder 11 is only vertically slided；Powder feeding pipe 7 is located at outside the sleeve 11, and the powder feeding pipe 7 is close
One end of import can slide up and down to along the outside wall surface of sleeve 11 in the setting outside wall surface of sleeve 11, and the powder feeding pipe 7 is close to outlet
One end is hinged on cladding head 1, and the centre of the powder feeding pipe 7 is connected by spring 12 with cladding head 1；
Also include central controller, the central controller is connected with drive device, to control drive device.
The powder feeding pipe 7 is provided with connecting rod 8 close to one end of import, and one end of the connecting rod 8 is vertically fixed on powder feeding pipe 7
On, the other end of the connecting rod 8 is rotationally provided with roller 13, and the outside wall surface of sleeve 11 is provided with from the bottom of sleeve 11 to set
The chute 18 of the top of cylinder 11 extension, the roller 13 is slidably disposed in the chute 18；The powder feeding pipe 7 is close to outlet
One end be fixed with rotating bar 14, the outer wall of cladding head 1 is provided with hinged seat 15, the rotating bar 14 and the axle of hinged seat 15
Connection；The spring 12 is located between connecting rod 8 and rotating bar 14, and one end of spring 12 is fixed in powder feeding pipe 7, and the other end is solid
It is scheduled on cladding head 1.
The drive device includes spindle motor 2 and feed screw nut 4, and the spindle motor 2 is located at the top of sleeve 11, and
Vertically downward, the feed screw nut 4 being meshed with the output shaft is fixed on sleeve 11 output shaft of spindle motor 2, it is described in
Centre controller is connected with spindle motor 2.
The spindle motor 2 is fixed on the side of cladding head 1 by support 16, and the feed screw nut 4 is solid by connecting plate 6
On the top surface for being scheduled on sleeve 11, the output shaft of the spindle motor 2 is meshed through feed screw nut 4 and with feed screw nut 4.
Also include suggestion device, the suggestion device includes the photoelectrical position sensor 10 being fixed on the support 16,
The photoelectrical position sensor 10 has the photosurface that Open Side Down；The connecting plate 6 is provided with upward baffle plate 3, the gear
Plate 3 is directed at the opening of the photoelectrical position sensor 10, and the opening is located on the movement locus of the baffle plate 3, and the light
Electric position sensor 10 is connected with central controller, and the signal detected is conveyed to central control by the photoelectrical position sensor 10
Device processed, central controller is connected with alarm, when photoelectrical position sensor 10, which detects baffle plate 3, to be entered in the opening, in
Controller driving alarm action is entreated, sleeve 11 is reminded in place, and central controller controls spindle motor 2 stops operating.
The photoelectrical position sensor 10 is in horizontally disposed U-shaped, and the baffle plate 3 is L-shaped, baffle plate 3 include horizontal plane and
Vertical plane, and the horizontal plane of the baffle plate 3 is fixed on connecting plate 6 by screw bolt and nut, the vertical plane alignment of the baffle plate
The opening of photoelectrical position sensor 10, and the opening is on the movement locus on the vertical plane of the baffle plate 3.
The guider includes the guide groove 17 and feather key 9 cooperated, and the guide groove 17 is opened in set vertically
On 11 inwalls of cylinder, the feather key 9 is fixed on the outer wall of cladding head 1 vertically by screw, and the sleeve 11 is along the feather key 9
Slide up and down, it is ensured that sleeve 11 is only vertically moved up and down.
Equidistantly provided with 3 powder feeding pipes 7 on the neighboring of the sleeve 11.
Spindle motor 2 and photoelectrical position sensor 10 respectively by screw, be bolted on support 16, support 16 passes through
Screw is fixed on the side of cladding head 1, and sleeve 11 and the concentric gap of cladding head 1 coordinate.
In process, when needing to adjust the width of cladding track, cladding head 1 is vertically moved, can be changed
The position of laser beam focal, so as to change the size of workpiece surface hot spot, that is, changes cladding track width.Powder convergent point should
This falls in the treatment of surfaces of components all the time, therefore the position of powder convergent point is also required to synchronous adjustment.The rotation of spindle motor 2 drives silk
Thick stick nut 4 is vertically moved along a straight line, and feed screw nut 4 is moved with moving sleeve 11 in vertical direction, and sleeve 11 passes through roller 13
Further drive link 8 is swung, so as to change the angle of inclination of 3 beam powder feeding pipes 7, the three beams powder convergent point of output can be perpendicular
Nogata is adjusted upward and fallen all the time in the treatment of surfaces of components, i.e.,：
Spindle motor 2 is stepper motor, and spindle motor 2, which is rotated forward, causes feed screw nut 4 to move straight down, drives set
Cylinder 11 is moved straight down, and sleeve 11 drives 3 connecting rods 8 to swing simultaneously by spring 12 and roller 13, the inclination journey of powder feeding pipe 7
Degree becomes big, and the three beams powder convergent point of output is vertically moved up.Spindle motor 2, which is reversely rotated, causes feed screw nut 4 vertical
Motion upwards, band moving sleeve 11 is moved straight up, and sleeve 11 drives 3 connecting rods 8 to swing simultaneously by spring 12 and roller 13,
The inclined degree of powder feeding pipe 7 diminishes, and the three beams powder convergent point of output is vertically moved down.
When sleeve 11 is moved upwards up to certain position, the vertical plane of baffle plate 3 gos deep into the opening of photoelectrical position sensor 10,
Photoelectrical position sensor 10 is detected after baffle plate 3, and central controller controls spindle motor 2 stops the rotation, the stop motion of sleeve 11,
Reach positioning origin, it is to avoid collide.
The utility model is solved after the change of laser beam focal position, and powder convergent point, which can not in real time be adjusted and deviateed, to be added
The problem of work piece surface, using the connecting rod lever-type structure to realizing cladding layer high-precision, high-quality, of good performance, carry
High shaping efficiency, powder convergence property and powder using efficiency have positive role.
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 (8)
1. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point, including cladding head, the cladding
The top of head vertically is provided with laser entrance, and the lower section of the cladding head vertically is provided with laser exit；Its feature
It is：
The cladding head is externally provided with powder feeding pipe, the angular adjustment that powder feeding pipe passes through adjustable angle between powder feeding pipe and cladding head
Device is arranged on cladding head surrounding；The outlet of powder feeding pipe is downward and is drawn close to laser exit, and the extension of the axis of powder feeding pipe
Line intersects with the extended line of the axis of cladding head, to ensure the laser from laser exit and the powder of the outlet from powder feeding pipe
Body is converged；
The angle regulator includes sliding up and down to the sleeve being set on cladding head, and the sleeve is in hollow round platform
Shape, and the cross-sectional area of sleeve vertically is gradually reduced from top to bottom；The side of the sleeve is provided with drive sleeve edge
Provided with guide sleeve only along vertical side between the drive device that cladding head outer wall is slided up and down, and the sleeve and the cladding head
To the guider of slip；Powder feeding pipe is located at outside the sleeve, and the powder feeding pipe can be along sleeve outer wall close to one end of import
Face slides up and down on setting sleeve outer wall face, and the powder feeding pipe is hinged on cladding head close to one end of outlet, the powder feeding
The centre of pipe is connected by spring with cladding head；
Also include central controller, the central controller is connected with drive device.
2. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 1, its
It is characterised by：The powder feeding pipe is provided with connecting rod close to one end of import, and one end of the connecting rod is vertically fixed in powder feeding pipe, institute
The other end for stating connecting rod is rotationally provided with roller, and the sleeve outer wall face is provided with the top extension from sleeve bottom to sleeve
Chute, the roller is slidably disposed in the chute；The powder feeding pipe is fixed with rotating bar close to one end of outlet,
The cladding head outer wall is provided with hinged seat, and the rotating bar is connected with hinged seat axle；The spring is located at connecting rod and rotating bar
Between, and one end of spring is fixed in powder feeding pipe, the other end is fixed on cladding head.
3. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 2, its
It is characterised by：The drive device includes spindle motor and feed screw nut, and the spindle motor is located at the top of sleeve, and leading screw
Vertically downward, the feed screw nut being meshed with the output shaft is fixed on sleeve the output shaft of motor, the central controller
It is connected with spindle motor.
4. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 3, its
It is characterised by：The spindle motor is fixed on the side of cladding head by support, and the feed screw nut is fixed on by connecting plate
On the top surface of sleeve, the output shaft of the spindle motor is meshed through feed screw nut and with feed screw nut.
5. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 4, its
It is characterised by：Also include suggestion device, the suggestion device includes fixed photoelectrical position sensor on the bracket, described
Photoelectrical position sensor has the photosurface that Open Side Down, and the connecting plate is provided with upward baffle plate, and the baffle plate is directed at institute
The opening of photoelectrical position sensor is stated, the opening is located on the movement locus of the baffle plate, and the photoelectrical position sensor
It is connected with central controller, the signal detected is conveyed to central controller, central controller by the photoelectrical position sensor
Alarm is connected with, when photoelectrical position sensor, which detects baffle plate, to be entered in the opening, central controller driving alarm
Action.
6. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 5, its
It is characterised by：The photoelectrical position sensor is in horizontally disposed U-shaped, and the baffle plate is L-shaped, and the horizontal plane of the baffle plate leads to
Screw bolt and nut is crossed to be fixed on connecting plate.
7. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 6, its
It is characterised by：The guider includes the guide groove and feather key cooperated, and the guide groove is opened in sleeve vertically
On wall, the feather key is fixed on cladding head outer wall vertically, and the sleeve is slided up and down along the feather key.
8. a kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point as claimed in claim 7, its
It is characterised by：Equidistantly provided with 3 powder feeding pipes on the neighboring of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228873.7U CN206616271U (en) | 2017-03-10 | 2017-03-10 | A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720228873.7U CN206616271U (en) | 2017-03-10 | 2017-03-10 | A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206616271U true CN206616271U (en) | 2017-11-07 |
Family
ID=60232279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720228873.7U Withdrawn - After Issue CN206616271U (en) | 2017-03-10 | 2017-03-10 | A kind of adjustable laser coaxial powder feeding nozzle of conical surface lever-type structure powder convergent point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206616271U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059000A (en) * | 2017-03-10 | 2017-08-18 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| 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 |
-
2017
- 2017-03-10 CN CN201720228873.7U patent/CN206616271U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059000A (en) * | 2017-03-10 | 2017-08-18 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| CN107059000B (en) * | 2017-03-10 | 2019-06-14 | 浙江工业大学 | Conical surface lever type structure powder convergent point adjustable laser coaxial powder feeding nozzle |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171107 Effective date of abandoning: 20190614 |
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| AV01 | Patent right actively abandoned |