CN110938817A - Rectangular light spot cladding device with coaxial powder feeding in light - Google Patents
Rectangular light spot cladding device with coaxial powder feeding in light Download PDFInfo
- Publication number
- CN110938817A CN110938817A CN201911233535.2A CN201911233535A CN110938817A CN 110938817 A CN110938817 A CN 110938817A CN 201911233535 A CN201911233535 A CN 201911233535A CN 110938817 A CN110938817 A CN 110938817A
- Authority
- CN
- China
- Prior art keywords
- light
- sub
- rectangular
- mirror
- powder feeding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000843 powder Substances 0.000 title claims abstract description 119
- 238000005253 cladding Methods 0.000 title claims abstract description 46
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 239000013307 optical fiber Substances 0.000 claims description 16
- 239000004065 semiconductor Substances 0.000 claims description 9
- 239000000155 melt Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 10
- 238000004372 laser cladding Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229910001092 metal group alloy Inorganic materials 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Images
Classifications
-
- 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
Abstract
The invention provides a rectangular light spot cladding device for in-light coaxial powder feeding, which solves the problem of low powder utilization rate caused by coaxial powder feeding or paraxial powder feeding in the existing laser processing production. The device comprises a fiber laser, a collimating mirror group, a light splitting unit, a first integrating mirror, a second integrating mirror and a rectangular powder feeding head; the collimating lens group is positioned in an emergent light path of the fiber laser, collimates the laser beam with a divergence angle output by the fiber laser into a parallel circular beam and transmits the parallel circular beam to the light splitting unit; the light splitting unit splits the parallel circular light beam into two light beams, and the two light beams are respectively reflected to the first integrating mirror and the second integrating mirror; the first integrating mirror reflects one path of light beam to form a first sub-light beam; the second integrator reflects the other light beam to form a second sub-light beam, and light spots of the first sub-light beam and the second sub-light beam at the molten pool are rectangular light spots; the rectangular powder feeding head is arranged between the first sub-beam and the second sub-beam; the rectangular powder feeding head is provided with a nozzle; the first sub-beam and the second sub-beam are intersected in the powder discharging direction of the nozzle.
Description
Technical Field
The invention belongs to a laser cladding technology, and particularly relates to a rectangular light spot cladding device for in-light coaxial powder feeding.
Background
The laser cladding technology is an advanced manufacturing technology combining a laser technology and a processing technology, and develops rapidly in recent years. As an advanced surface modification technology, the method is widely applied to surface modification of materials and repair of failed parts, solves a plurality of problems in engineering practice, and creates huge economic benefits in the engineering practice.
In the current common laser processing production, a coaxial powder feeding technology or a paraxial powder feeding technology is generally adopted, and the coaxial powder feeding technology or the paraxial powder feeding technology is actually light external powder feeding of powder-coated laser. However, the laser and powder feeding by light causes short action time of laser and powder, and the utilization rate of the powder is not high, thereby affecting the laser processing efficiency.
Disclosure of Invention
The invention provides a rectangular light spot cladding device for in-light coaxial powder feeding, which aims to solve the technical problems that the action time of laser and powder is short, the utilization rate of the powder is low and the laser processing efficiency is influenced because the coaxial powder feeding or paraxial powder feeding is adopted in the existing laser processing production.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a rectangular light spot cladding device with coaxial powder feeding in light is characterized in that: the device comprises a fiber laser, a collimating lens group, a light splitting unit, a first integrating mirror, a second integrating mirror and a rectangular powder feeding head; the optical fiber laser is used for outputting a laser beam with a divergence angle; the collimating lens group is positioned in an emergent light path of the fiber laser and is used for collimating a laser beam with a divergence angle output by the fiber laser into a parallel circular beam and transmitting the parallel circular beam to the light splitting unit; the light splitting unit is used for splitting the parallel circular light beams into two light beams, and the two light beams are respectively reflected to the first integrating mirror and the second integrating mirror; the first integrating mirror is used for reflecting one path of light beam to form a first sub-light beam, and a light spot of the first sub-light beam at the position of the molten pool is a rectangular light spot; the second integrating mirror is used for reflecting the other path of light beam to form a second sub-light beam, and the light spot of the second sub-light beam at the molten pool is a rectangular light spot; the rectangular powder feeding head is arranged between the first sub-beam and the second sub-beam; the rectangular powder feeding head is provided with a nozzle; the first sub-beam and the second sub-beam are intersected, and the intersection position is located in the powder discharging direction of the nozzle.
Further, the light splitting unit is a right-angle prism reflector or a light splitting prism.
Further, the light splitting unit comprises a half-transmitting half-reflecting mirror and a plane reflecting mirror; the semi-transparent semi-reflecting mirror is positioned in an emergent light path of the collimating mirror group, circular light beams output by the collimating mirror group are incident to the first integrating mirror after passing through the semi-transparent semi-reflecting mirror, and transmitted light is incident to the plane reflecting mirror and is incident to the second integrating mirror after being reflected by the plane reflecting mirror.
Furthermore, an included angle between the semi-transparent semi-reflecting mirror and an emergent light path of the collimating mirror group is 45 degrees;
the included angle between the plane reflector and the semi-transparent semi-reflecting mirror is 90 degrees.
Furthermore, an angular bisector of an included angle formed by the central line of the first sub-beam and the central line of the second sub-beam is collinear with the central line of the rectangular powder feeding head; the nozzle is arranged at one end of the rectangular powder feeding head far away from the light splitting unit.
Further, the distance between the intersection position of the light beams and the nozzle is 8-20 mm.
Further, the collimator lens group comprises one or more lenses.
The invention also provides a rectangular light spot cladding device for coaxially feeding powder in light, which is characterized in that: the device comprises an optical fiber output semiconductor laser, a collimating lens group, a light splitting unit, a first integrating mirror, a second integrating mirror and a rectangular powder feeding head; the semiconductor laser is used for outputting a laser beam with a divergence angle; the collimating lens group is positioned in an emergent light path of the optical fiber output semiconductor laser and is used for collimating laser beams output by the optical fiber output semiconductor laser and provided with divergence angles into parallel circular beams and transmitting the beams to the light splitting unit;
the light splitting unit is used for splitting the parallel circular light beams into two light beams, and the two light beams are respectively reflected to the first integrating mirror and the second integrating mirror; the first integrating mirror is used for reflecting one path of light beam to form a first sub-light beam, and a light spot of the first sub-light beam at the position of the molten pool is a rectangular light spot; the second integrating mirror is used for reflecting the other path of light beam to form a second sub-light beam, and the light spot of the second sub-light beam at the molten pool is a rectangular light spot; the rectangular powder feeding head is arranged between the first sub-beam and the second sub-beam; the rectangular powder feeding head is provided with a nozzle; the first sub-beam and the second sub-beam are intersected, and the intersection position is located in the powder discharging direction of the nozzle.
Further, the light splitting unit is a right-angle prism reflector or a light splitting prism.
Further, the light splitting unit comprises a half-transmitting half-reflecting mirror and a plane reflecting mirror; the semi-transparent semi-reflecting mirror is positioned in an emergent light path of the collimating mirror group, circular light beams output by the collimating mirror group are incident to the first integrating mirror after passing through the semi-transparent semi-reflecting mirror, and transmitted light is incident to the plane reflecting mirror and is incident to the second integrating mirror after being reflected by the plane reflecting mirror.
Compared with the prior art, the invention has the advantages that:
1. after laser beams emitted by a laser in the rectangular light spot cladding device are collimated by a collimating lens group, split by a splitting unit and reflected by an integrator in sequence, the two beams of the laser beams intersect to form a molten pool, cladding powder beams of a rectangular powder feeding head directly fall into the molten pool after coming out of a nozzle, the cladding powder beams are accurate and have small divergence angles, and the requirement of laser cladding processing and forming is met;
meanwhile, the powder beam is positioned in the light beam, the interference with the light beam is less, the energy loss is less, the full utilization of the laser power is ensured, and compared with the traditional method of feeding powder laterally outside the light or feeding powder coaxially outside the light, the utilization rate of the cladding powder beam is effectively improved, the cladding processing efficiency is improved, and the cladding processing cost is reduced.
2. The light splitting unit in the rectangular light spot cladding device can be a right-angle prism reflector or a light splitting prism or a semi-transparent semi-reflecting mirror and a plane reflector, can be selected according to the working environment, and has a wide application range.
3. According to the rectangular light spot cladding device, the cladding effect is best on the angle bisector of the included angle formed by the central line of the first sub-beam and the central line of the second sub-beam.
4. The rectangular light spot cladding device realizes the optical internal powder feeding, compared with the optical external powder feeding, the optical internal powder feeding increases the acting time between laser and powder, improves the utilization rate of the powder and further improves the processing efficiency.
Drawings
FIG. 1 is a schematic view of an optical structure of a first embodiment of a rectangular spot cladding apparatus for coaxial powder feeding in light according to the present invention;
FIG. 2 is a schematic view of an optical structure of a second embodiment of the rectangular spot cladding apparatus for coaxial powder feeding in light according to the present invention;
FIG. 3 is a schematic view of an optical structure of a third embodiment of the rectangular spot cladding apparatus for coaxial powder feeding in light according to the present invention;
wherein the reference numbers are as follows:
1-fiber laser, 2-collimating mirror group, 3-right-angle prism reflector, 4-first integrator, 5-second integrator, 6-rectangular powder feeding head, 61-nozzle, 7-molten pool, 8-beam splitter prism, 9-semi-transparent semi-reflecting mirror, 10-plane reflector, 11-laser beam, 12-circular beam, 13-first sub-beam, 14-second sub-beam and 15-powder beam.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
Example one
As shown in fig. 1, a rectangular light spot cladding device for coaxial powder feeding in light comprises an optical fiber laser 1 having an optical fiber interface and a laser beam light outlet, a collimating lens group, a right-angle prism reflector 3 and a rectangular powder feeding head 6 are sequentially installed behind the laser beam light outlet, a first integrating lens 4 and a second integrating lens 5 are symmetrically arranged at two sides of the right-angle prism reflector 3, a laser beam 11 with a certain angle emitted by the laser 1 is collimated into a parallel circular light beam 12 by the collimating lens group, the collimating lens group 2 can be a lens or a group of lenses, the circular light beam 12 is divided into two beams by the right-angle prism reflector 3, the two beams 12 are respectively reflected to the first integrating lens 4 and the second integrating lens 5, wherein one beam is reflected by the first integrating lens 4 to form a first sub-beam 13, and a light spot of the first sub-beam 13 at a molten pool is a rectangular light spot; the other light beam 12 is reflected by the second integrating mirror 5 to form a second sub-light beam 14, a light spot of the second sub-light beam 14 at the molten pool is a rectangular light spot, the first sub-light beam 13 and the second sub-light beam 14 are intersected, the intersection position is the molten pool 7, a required rectangular light spot is formed at the position, the rectangular powder feeding head 6 is placed below the right-angle prism reflecting mirror 3 and is positioned between the first sub-light beam 13 and the second sub-light beam 14, the rectangular powder feeding head 6 is provided with a nozzle 61 (powder outlet), and powder is vertically and downwards sent into the molten pool 7 by the powder beam 15 sent out by the nozzle 61, so that cladding processing is completed. In order to improve the cladding effect, the central line of the rectangular powder feeding head 6 is collinear with the bisector of the included angle formed by the first sub-beam 13 and the second sub-beam 14, and the nozzle 61 is arranged at one end of the rectangular powder feeding head 6 far away from the right-angle prism reflector 3.
The distance between the beam intersection position (melt pool) and the nozzle 61 may be 8-20 mm; the integrator mirror is a strip integrator mirror and converts the light beam reflected by the right-angle prism reflector 3 into a rectangular light spot of a molten pool.
The movement track of the powder beam 15 of the spot cladding device of the embodiment is vertically downward, the powder beam 15 directly and vertically falls into the molten pool 7 after coming out from the nozzle 61, the accuracy is realized, the divergence angle is small, and the requirement of laser cladding processing and forming is met. Meanwhile, the powder beam 15 is positioned in the light beam, the interference with the light beam is less, the energy loss is less, the full utilization of the laser power is ensured, and compared with the traditional method of feeding powder laterally outside the light or feeding powder coaxially outside the light, the utilization rate of metal alloy powder is effectively improved, the utilization rate of the powder is improved, the processing efficiency of cladding is improved, and the processing cost of cladding is reduced.
Example two
As shown in fig. 2, a rectangular light spot cladding device for coaxial powder feeding in light comprises an optical fiber laser 1 having an optical fiber interface and a laser beam light outlet, a collimating lens group, a beam splitter prism 8 and a rectangular powder feeding head 6 are sequentially installed behind the laser beam light outlet, a first integrating lens 4 and a second integrating lens 5 are symmetrically arranged at two sides of the beam splitter prism 8, a laser beam 11 emitted by the laser 1 and having a certain angle is collimated into a parallel circular beam 12 by the collimating lens group, the circular beam 12 is divided into two beams by the beam splitter prism 8, the two beams 12 are respectively reflected to the first integrating lens 4 and the second integrating lens 5, one beam is reflected by the first integrating lens 4 to form a first sub-beam 13, and a light spot of the first sub-beam 13 at a molten pool is a rectangular light spot; the other path of circular beam 12 is reflected by the second integrating mirror 5 to form a second sub-beam 14, a light spot of the second sub-beam 14 at the molten pool is a rectangular light spot, the first sub-beam 13 and the second sub-beam 14 are intersected, the intersection position is the molten pool 7, a required rectangular light spot is formed at the position, the rectangular powder feeding head 6 is placed below the beam splitter prism 8 and is positioned between the first sub-beam 13 and the second sub-beam 14, the rectangular powder feeding head 6 is provided with a nozzle 61, the intersection position of the first sub-beam 13 and the second sub-beam 14 is positioned in the powder discharging direction of the nozzle 61, and a powder beam 15 sent out by the nozzle 61 vertically sends powder downwards into the molten pool 7 to complete cladding processing. In order to improve the cladding effect, the central line of the rectangular powder feeding head 6 is collinear with the angle bisector of the included angle formed by the first sub-beam 13 and the second sub-beam 14. The distance between the beam intersection position (melt pool) and the nozzle 61 may be 8-20 mm.
The movement track of the powder beam 15 of the spot cladding device of the embodiment is vertically downward, the powder beam 15 directly and vertically falls into the molten pool 7 after coming out from the nozzle 61, the accuracy is realized, the divergence angle is small, and the requirement of laser cladding processing and forming is met. Meanwhile, the powder beam 15 is positioned in the light beam, the interference with the light beam is less, the energy loss is less, the full utilization of the laser power is ensured, and compared with the traditional method of feeding powder laterally outside the light or feeding powder coaxially outside the light, the utilization rate of metal alloy powder is effectively improved, the utilization rate of the powder is improved, the processing efficiency of cladding is improved, and the processing cost of cladding is reduced.
EXAMPLE III
As shown in fig. 3, a rectangular light spot cladding device for coaxial powder feeding in light comprises an optical fiber laser 1 having an optical fiber interface and a laser beam light outlet, a collimating lens group, a semi-transparent and semi-reflective lens 9, a plane reflective lens 10 and a rectangular powder feeding head 6 are sequentially installed behind the laser beam light outlet, a first integrating lens 4 and a second integrating lens 5 are located at two sides of the semi-transparent and semi-reflective lens 9, a laser beam 11 with a certain angle emitted by the laser 1 is collimated into a parallel circular light beam 12 by the collimating lens group, the circular light beam 12 is divided into two beams by the semi-transparent and semi-reflective lens 9, reflected light is incident to the first integrating lens 4 and reflected by the first integrating lens 4 to form a first sub-light beam 13, and a light spot of the first sub-light beam 13 at a molten pool is a rectangular light spot; the transmitted light is incident to the plane reflector 10, is incident to the second integrating mirror 5 after being reflected by the plane reflector 10, and is reflected by the second integrating mirror 5 to form a second sub-beam 14, and a light spot of the second sub-beam 14 at the molten pool is a rectangular light spot; the first sub-beam 13 and the second sub-beam 14 are intersected, the intersection position is a molten pool 7, a required rectangular light spot is formed at the position, the rectangular powder feeding head 6 is arranged below the beam splitter prism 8 and between the first sub-beam 13 and the second sub-beam 14, the rectangular powder feeding head 6 is provided with a nozzle 61, and powder 15 sent out by the nozzle 61 vertically sends powder downwards into the molten pool 7 to complete cladding processing. The included angle between the semi-transparent semi-reflecting mirror 9 and the emergent light path of the collimating mirror group is 45 degrees, and the included angle between the plane reflecting mirror 10 and the semi-transparent semi-reflecting mirror 9 is 90 degrees; in order to improve the cladding effect, the central line of the rectangular powder feeding head 6 is collinear with the angle bisector of the included angle formed by the first sub-beam 13 and the second sub-beam 14. The distance between the beam intersection position (melt pool) and the nozzle 61 may be 8-20 mm.
The movement track of the powder beam 15 of the spot cladding device of the embodiment is vertically downward, the powder beam 15 directly and vertically falls into the molten pool 7 after coming out from the nozzle 61, the accuracy is realized, the divergence angle is small, and the requirement of laser cladding processing and forming is met. Meanwhile, the powder beam 15 is positioned in the light beam, the interference with the light beam is less, the energy loss is less, the full utilization of the laser power is ensured, and compared with the traditional method of feeding powder laterally outside the light or feeding powder coaxially outside the light, the utilization rate of metal alloy powder is effectively improved, the utilization rate of the powder is improved, the processing efficiency of cladding is improved, and the processing cost of cladding is reduced.
Example four
The difference from the first embodiment is that the fiber laser 1 may be a semiconductor laser having a fiber output.
The above description is only for the preferred embodiment of the present invention, and the technical solution of the present invention is not limited thereto, and any known modifications made by those skilled in the art based on the main technical idea of the present invention, for example, prism mirrors and other forms of mirror composition are also within the technical scope of the present invention.
Claims (10)
1. The utility model provides a coaxial powder feeding's rectangle facula melts and covers device in light which characterized in that: the device comprises a fiber laser (1), a collimating mirror group (2), a light splitting unit, a first integrating mirror (4), a second integrating mirror (5) and a rectangular powder feeding head (6);
the fiber laser (1) is used for outputting a laser beam (11) with a divergence angle;
the collimating lens group (2) is positioned in an emergent light path of the optical fiber laser (1) and is used for collimating a laser beam (11) with a divergence angle output by the optical fiber laser (1) into a parallel circular beam (12) and transmitting the parallel circular beam to the light splitting unit;
the light splitting unit is used for splitting the parallel circular light beam (12) into two light beams, and the two light beams are respectively reflected to the first integrating mirror (4) and the second integrating mirror (5);
the first integrating mirror (4) is used for reflecting one path of light beam to form a first sub-light beam (13), and the light spot of the first sub-light beam (13) at the position of the molten pool (7) is a rectangular light spot;
the second integrating mirror (5) is used for reflecting the other light beam to form a second sub-light beam (14), and the light spot of the second sub-light beam (14) at the position of the molten pool (7) is a rectangular light spot;
the rectangular powder feeding head (6) is arranged between the first sub-beam (13) and the second sub-beam (14);
a nozzle (61) is arranged on the rectangular powder feeding head (6);
the first sub-beam (13) and the second sub-beam (14) are intersected, and the intersection position is located in the powder discharging direction of the nozzle (61).
2. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 1, characterized in that: the light splitting unit is a right-angle prism reflector (3) or a light splitting prism (8).
3. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 1, characterized in that: the light splitting unit comprises a semi-transparent semi-reflecting mirror (9) and a plane reflecting mirror (10);
the semi-transparent semi-reflecting mirror (9) is positioned in an emergent light path of the collimating mirror group (2), circular light beams (12) output by the collimating mirror group (2) pass through the semi-transparent semi-reflecting mirror (9), reflected light enters the first integrating mirror (4), transmitted light enters the plane reflecting mirror (10), and the transmitted light enters the second integrating mirror (5) after being reflected by the plane reflecting mirror (10).
4. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 3, characterized in that: the included angle between the semi-transparent semi-reflecting mirror (9) and the emergent light path of the collimating mirror group (2) is 45 degrees;
the included angle between the plane reflector (10) and the semi-transparent semi-reflecting mirror (9) is 90 degrees.
5. The rectangular light spot cladding device for in-light coaxial powder feeding according to any one of claims 1 to 4, characterized in that: an angular bisector of an included angle formed by the central line of the first sub-beam (13) and the central line of the second sub-beam (14) is collinear with the central line of the rectangular powder feeding head (6);
the nozzle (61) is arranged at one end of the rectangular powder feeding head (6) far away from the light splitting unit.
6. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 5, characterized in that: the distance between the intersection position of the light beams and the nozzle (61) is 8-20 mm.
7. The rectangular light spot cladding device for in-light coaxial powder feeding of claim 6, characterized in that: the collimating lens group (2) comprises one or more lenses.
8. The utility model provides a coaxial powder feeding's rectangle facula melts and covers device in light which characterized in that: the device comprises an optical fiber output semiconductor laser, a collimating lens group (2), a light splitting unit, a first integrating lens (4), a second integrating lens (5) and a rectangular powder feeding head (6);
the optical fiber output semiconductor laser is used for outputting a laser beam (11) with a divergence angle;
the collimating lens group (2) is positioned in an emergent light path of the optical fiber output semiconductor laser, and is used for collimating a laser beam (11) with a divergence angle output by the optical fiber output semiconductor laser into a parallel circular beam (12) and transmitting the parallel circular beam to the light splitting unit;
the light splitting unit is used for splitting the parallel circular light beam (12) into two light beams, and the two light beams are respectively reflected to the first integrating mirror (4) and the second integrating mirror (5);
the first integrating mirror (4) is used for reflecting one path of light beam to form a first sub-light beam (13), and the light spot of the first sub-light beam (13) at the position of the molten pool (7) is a rectangular light spot;
the second integrating mirror (5) is used for reflecting the other light beam to form a second sub-light beam (14), and the light spot of the second sub-light beam (14) at the position of the molten pool (7) is a rectangular light spot;
the rectangular powder feeding head (6) is arranged between the first sub-beam (13) and the second sub-beam (14);
a nozzle (61) is arranged on the rectangular powder feeding head (6);
the first sub-beam (13) and the second sub-beam (14) are intersected, and the intersection position is located in the powder discharging direction of the nozzle (61).
9. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 8, characterized in that: the light splitting unit is a right-angle prism reflector (3) or a light splitting prism (8).
10. The rectangular light spot cladding device for in-light coaxial powder feeding according to claim 8, characterized in that: the light splitting unit comprises a semi-transparent semi-reflecting mirror (9) and a plane reflecting mirror (10);
the semi-transparent semi-reflecting mirror (9) is positioned in an emergent light path of the collimating mirror group (2), circular light beams (12) output by the collimating mirror group (2) pass through the semi-transparent semi-reflecting mirror (9), reflected light enters the first integrating mirror (4), transmitted light enters the plane reflecting mirror (10), and the transmitted light enters the second integrating mirror (5) after being reflected by the plane reflecting mirror (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911233535.2A CN110938817A (en) | 2019-12-05 | 2019-12-05 | Rectangular light spot cladding device with coaxial powder feeding in light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911233535.2A CN110938817A (en) | 2019-12-05 | 2019-12-05 | Rectangular light spot cladding device with coaxial powder feeding in light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110938817A true CN110938817A (en) | 2020-03-31 |
Family
ID=69909119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911233535.2A Pending CN110938817A (en) | 2019-12-05 | 2019-12-05 | Rectangular light spot cladding device with coaxial powder feeding in light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110938817A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575702A (en) * | 2020-05-22 | 2020-08-25 | 苏州大学 | Laser cladding method and system |
| CN113005445A (en) * | 2021-02-20 | 2021-06-22 | 苏州大学 | Device for performing cladding on different hollow or solid light spots by deflecting focal light path and using method |
| CN114192805A (en) * | 2022-02-15 | 2022-03-18 | 北京煜鼎增材制造研究院有限公司 | Metal high-efficiency additive manufacturing device and method |
| CN115502563A (en) * | 2022-11-24 | 2022-12-23 | 广东省科学院智能制造研究所 | Laser vibration material disk system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657222A (en) * | 2004-11-05 | 2005-08-24 | 中国航空工业第一集团公司北京航空制造工程研究所 | Dual light beams welding method for laser welding |
| CN101856773A (en) * | 2010-04-22 | 2010-10-13 | 广州中国科学院工业技术研究院 | Focusing positioning method based on initial laser processing position and laser processing device |
| JP2013140380A (en) * | 2013-02-12 | 2013-07-18 | Nikon Corp | Imaging apparatus |
| CN103399405A (en) * | 2013-07-17 | 2013-11-20 | 苏州大学 | Laser broadband cladding device and method |
| CN105562951A (en) * | 2016-02-03 | 2016-05-11 | 苏州大学 | Laser in-beam wire feeding device for laser cladding |
| CN106444049A (en) * | 2016-10-09 | 2017-02-22 | 苏州大学 | Laser broadband fusion covering device |
| CN106984813A (en) * | 2017-04-14 | 2017-07-28 | 华南理工大学 | A kind of melt-processed process coaxial monitoring method and device in selective laser |
| CN208151481U (en) * | 2018-04-18 | 2018-11-27 | 西安必盛激光科技有限公司 | A kind of laser melting coating laser head, laser and cladding system |
| CN108950533A (en) * | 2017-05-17 | 2018-12-07 | 上海柘火智能科技有限公司 | A kind of coaxial composite deposition device and method of laser-cold spraying |
| CN110499503A (en) * | 2018-05-16 | 2019-11-26 | 孔源 | Coaxial powder-feeding cladding head light channel structure and processing method in a kind of efficient dual-beam light |
| CN211713200U (en) * | 2019-12-05 | 2020-10-20 | 西安必盛激光科技有限公司 | Rectangular light spot cladding device with coaxial powder feeding in light |
-
2019
- 2019-12-05 CN CN201911233535.2A patent/CN110938817A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657222A (en) * | 2004-11-05 | 2005-08-24 | 中国航空工业第一集团公司北京航空制造工程研究所 | Dual light beams welding method for laser welding |
| CN101856773A (en) * | 2010-04-22 | 2010-10-13 | 广州中国科学院工业技术研究院 | Focusing positioning method based on initial laser processing position and laser processing device |
| JP2013140380A (en) * | 2013-02-12 | 2013-07-18 | Nikon Corp | Imaging apparatus |
| CN103399405A (en) * | 2013-07-17 | 2013-11-20 | 苏州大学 | Laser broadband cladding device and method |
| CN105562951A (en) * | 2016-02-03 | 2016-05-11 | 苏州大学 | Laser in-beam wire feeding device for laser cladding |
| CN106444049A (en) * | 2016-10-09 | 2017-02-22 | 苏州大学 | Laser broadband fusion covering device |
| CN106984813A (en) * | 2017-04-14 | 2017-07-28 | 华南理工大学 | A kind of melt-processed process coaxial monitoring method and device in selective laser |
| CN108950533A (en) * | 2017-05-17 | 2018-12-07 | 上海柘火智能科技有限公司 | A kind of coaxial composite deposition device and method of laser-cold spraying |
| CN208151481U (en) * | 2018-04-18 | 2018-11-27 | 西安必盛激光科技有限公司 | A kind of laser melting coating laser head, laser and cladding system |
| CN110499503A (en) * | 2018-05-16 | 2019-11-26 | 孔源 | Coaxial powder-feeding cladding head light channel structure and processing method in a kind of efficient dual-beam light |
| CN211713200U (en) * | 2019-12-05 | 2020-10-20 | 西安必盛激光科技有限公司 | Rectangular light spot cladding device with coaxial powder feeding in light |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111575702A (en) * | 2020-05-22 | 2020-08-25 | 苏州大学 | Laser cladding method and system |
| CN111575702B (en) * | 2020-05-22 | 2022-05-27 | 苏州大学 | Laser cladding method and system |
| CN113005445A (en) * | 2021-02-20 | 2021-06-22 | 苏州大学 | Device for performing cladding on different hollow or solid light spots by deflecting focal light path and using method |
| CN114192805A (en) * | 2022-02-15 | 2022-03-18 | 北京煜鼎增材制造研究院有限公司 | Metal high-efficiency additive manufacturing device and method |
| CN114192805B (en) * | 2022-02-15 | 2022-04-29 | 北京煜鼎增材制造研究院有限公司 | Metal high-efficiency additive manufacturing device and method |
| CN115502563A (en) * | 2022-11-24 | 2022-12-23 | 广东省科学院智能制造研究所 | Laser vibration material disk system |
| CN115502563B (en) * | 2022-11-24 | 2023-08-15 | 广东省科学院智能制造研究所 | Laser additive processing system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110938817A (en) | Rectangular light spot cladding device with coaxial powder feeding in light | |
| US11673212B2 (en) | Optical path/beam splitting unit and coaxial-wire-feed cladding head thereof | |
| US10310278B2 (en) | Semiconductor laser | |
| CN103399405B (en) | A kind of laser wide-band cladding device and method | |
| CN103293649B (en) | Lens optical equipment and light path transmission method based on lens optical equipment | |
| CN203592234U (en) | Laser beam scanning system | |
| CN207930153U (en) | A kind of dual-beam laser welding device | |
| CN104979749A (en) | High-power semiconductor fiber-coupled laser and coupling method thereof | |
| CN213680890U (en) | Composite laser cladding device | |
| CN102962585A (en) | Semiconductor laser processing machine with light-feedback-proof device | |
| CN211713200U (en) | Rectangular light spot cladding device with coaxial powder feeding in light | |
| CN208614009U (en) | A kind of dual-wavelength laser composite welding head | |
| CN105372820A (en) | Multi-wavelength coupling same-light-path device | |
| CN207198397U (en) | A kind of coupled system that more branch semiconductor lasers are coupled into simple optical fiber | |
| CN1651972A (en) | Method for implementing semiconductor laser lightbeam shaping by off-axis all internal reflecting prism array | |
| CN203909406U (en) | Polarization beam-combining device of semiconductor laser | |
| CN208367346U (en) | A kind of intensive fiber array spectrum beam combination device | |
| CN110587118A (en) | Double-laser beam combining device and double-laser composite processing light beam system | |
| CN102962582A (en) | Method for preventing optical feedback of semiconductor laser processing machine | |
| CN114012248B (en) | Optical path system of laser cutting head | |
| CN105974579A (en) | Angle changing device for large-aperture parallel beams based on off-axis parabolic mirror | |
| CN110098559A (en) | A kind of interior device and method collimated of semiconductor laser shell | |
| CN111098026B (en) | Light beam deflection self-compensation system and method of laser double-pendulum-axis machining head | |
| CN106773076A (en) | Various dimensions indicate laser module and laser beam emitting device | |
| CN109031488B (en) | Light beam folding prism, optical system and method for light spot compression |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |