CN212168953U - Focusing mechanism of laser cladding head - Google Patents
Focusing mechanism of laser cladding head Download PDFInfo
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- CN212168953U CN212168953U CN202020118847.0U CN202020118847U CN212168953U CN 212168953 U CN212168953 U CN 212168953U CN 202020118847 U CN202020118847 U CN 202020118847U CN 212168953 U CN212168953 U CN 212168953U
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- collimating mirror
- fixing seat
- knob
- collimating
- cooling
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Abstract
The utility model provides a focusing mechanism of a laser cladding head, which comprises a collimating mirror fixing seat, a collimating mirror moving frame, a collimating mirror, a deflector rod, a knob and a cooling component; the collimating lens fixing seat is hollow, and the top surface and the bottom surface are provided with light through holes for light beams to pass through; a sliding groove is formed in the side wall of the collimating mirror fixing seat along the transmission direction of the light beam, the collimating mirror moving frame is slidably mounted in the collimating mirror fixing seat, and the collimating mirror is fixedly mounted in the collimating mirror moving frame; the knob is rotatably connected to the outer side of the collimating mirror fixing seat and arranged corresponding to the sliding groove, one end of the deflector rod is fixedly connected with the collimating mirror moving frame, and the other end of the deflector rod penetrates through the sliding groove and then is connected with the knob; the cooling assembly is arranged on the collimating mirror fixing seat. The mechanism can obtain the spot diameter which can be continuously adjusted in a large range on a working plane by adjusting the axial position of the collimating lens, thereby realizing the adjustment of variable fusion width.
Description
Technical Field
The utility model belongs to the vibration material disk field, concretely relates to laser cladding head focusing mechanism.
Background
The Laser cladding head is a key device for realizing optical powder coupling by a powder feeding type Laser Melting Deposition process (Laser Melting Deposition). The variable laser spot diameter of the working surface realizes adjustable fusion width (namely cladding layer width) parameters, and the process applicability of the laser cladding head is obviously expanded. The up-and-down movement of the laser focus is generally realized by changing the lens spacing parameters in the optical design, so that the purpose of adjusting the laser spot on the working surface is achieved, but a mechanism for adjusting the laser spot on the laser cladding head does not appear in the current market.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the laser spot adjusting mechanism in the laser cladding process is not available in the prior art, the utility model provides a laser cladding head focusing mechanism.
The utility model discloses a concrete technical scheme is:
the utility model provides a focusing mechanism of a laser cladding head, which comprises a collimating mirror fixing seat, a collimating mirror moving frame, a collimating mirror, a deflector rod, a knob and a cooling component;
the collimating lens fixing seat is hollow, and the top surface and the bottom surface are provided with light through holes for light beams to pass through; a sliding groove is formed in the side wall of the collimating mirror fixing seat along the transmission direction of the light beam, the length of the sliding groove is determined by the required focusing amount, and the width of the sliding groove is matched with the outer diameter of the shifting lever;
the collimating mirror moving frame is slidably arranged in the collimating mirror fixing seat and coaxially arranged, and the collimating mirror is fixedly arranged in the collimating mirror moving frame;
the knob is rotatably connected to the outer side of the collimating mirror fixing seat and arranged corresponding to the sliding groove, and a graduated scale is arranged on the knob;
one end of the deflector rod is fixedly connected with the collimator lens moving frame, and the other end of the deflector rod penetrates through the chute and then is connected with the knob;
the cooling assembly is arranged on the collimating mirror fixing seat.
The utility model provides three cooling component arrangement modes,
the first method comprises the following steps: the cooling assembly comprises a cooling liquid inlet, a cooling liquid outlet and a cooling liquid circulation channel communicated with the cooling liquid inlet and the cooling liquid outlet; the cooling liquid inlet and the cooling liquid outlet are both arranged on the collimating mirror fixing seat and are arranged up and down; the cooling liquid circulation channel is arranged in the side wall of the collimating mirror fixing seat and is distributed in a spiral line form.
Collimating mirror fixing base, coolant liquid entry, coolant liquid circulation passageway and coolant liquid outlet all through the mode integrated into one piece that 3D printed.
And the second method comprises the following steps: the cooling assembly comprises a plurality of convection cooling fins which are connected end to form a whole and are integrally attached to the outer wall of the collimating mirror fixing seat.
Further, the two adjacent convection cooling fins are connected through screws.
And the third is that: the cooling assembly comprises a plurality of semiconductor refrigerating pieces, the semiconductor refrigerating pieces are attached to the outer wall of the collimating mirror fixing seat, and each semiconductor refrigerating piece is connected with an external direct-current power supply to realize active cooling of the cold end.
Furthermore, the knob is provided with a power transmission hole which is a round hole or a square hole with a key slot.
Furthermore, the mechanism also comprises a knob cover plate, the knob cover plate is fixed on the outer wall of the collimating mirror fixing seat, and a rotary mounting hole is formed in the knob cover plate.
Further, the mechanism also comprises a locking screw which is arranged on the knob cover plate and used for limiting the knob to rotate.
Further, the collimating mirror is installed in the collimating mirror moving frame through a pressing ring.
The utility model has the advantages that:
1. the utility model provides a laser cladding head focusing mechanism, this mechanism can obtain continuous adjustable facula diameter on working plane on a large scale through adjusting collimating mirror axial position, realizes the variable regulation of melting the width.
2. The utility model provides a laser cladding head focusing mechanism, this mechanism set up cooling module in the outside of adjusting the structure on the collimating mirror fixing base promptly, for the laser cladding head provides necessary heat dissipation, is favorable to prolonging key lens and adjustment mechanism's working life.
3. The utility model discloses a 3D printing technique sets up the water-cooling mode of constituteing by coolant liquid entry, coolant liquid circulation passageway and coolant liquid export on the collimating mirror fixing base, thereby has overcome the big problem that is difficult to realize water-cooling circulation of the coolant liquid circulation passageway processing degree of difficulty.
4. The utility model provides a laser cladding head focusing mechanism, this mechanism has increased the locking function through set up locking screw between knob and knob apron, is favorable to the technological stability in the course of working.
5. The utility model discloses a power transmission hole can realize two kinds of modes of motor drive and manual drive for taking the round hole or the quad slit of keyway.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a schematic structural view of embodiment 1;
fig. 3 is a schematic structural view of embodiment 2.
The reference numbers are as follows:
the device comprises a collimating mirror fixing seat 1, a collimating mirror moving frame 2, a collimating mirror 3, a deflector rod 4, a knob 5, a knob cover plate 6, a locking screw 7, a light through hole 8, a sliding groove 9, a circular shallow groove 10, a pressing ring 11, a deep groove 12, a power transmission hole 13, a cooling liquid inlet 14, a cooling liquid outlet 15, a cooling liquid flowing channel 16 and a convection cooling fin 17.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the utility model provides a focusing mechanism of a laser cladding head, which comprises a collimator lens fixing seat 1, a collimator lens moving frame 2, a collimator lens 3, a shift lever 4, a knob 5 and a cooling component;
the collimating lens fixing seat 1 is a cylindrical structure with a hollow interior, and the top surface and the bottom surface of the collimating lens fixing seat are provided with light through holes 8 through which light beams pass; a sliding groove 9 is formed in the side wall of the collimating mirror fixing seat 1 along the transmission direction of the light beam, the length of the sliding groove 9 is determined by the required focusing amount, and the width of the sliding groove 9 is matched with the outer diameter of the shifting lever 4 (the width of the sliding groove is slightly larger than the outer diameter of the shifting lever at the sliding groove, so that the shifting lever can smoothly slide up and down in the sliding groove);
the collimator lens moving frame 2 is slidably mounted in the collimator lens fixing seat 1 and coaxially arranged with the collimator lens fixing seat, and the collimator lens 3 is fixedly mounted in the collimator lens moving frame 2 and coaxially kept with the light through holes 8 arranged on the top surface and the bottom surface;
the knob 5 is rotatably connected to the outer side of the collimating mirror fixing seat 1 and is arranged corresponding to the sliding groove 9, and a graduated scale is arranged on the knob 5; one end of a deflector rod 4 is fixedly connected with the collimator lens moving frame 2, and the other end of the deflector rod 4 penetrates through the sliding groove 9 and then is connected with the knob 5; the cooling assembly is arranged on the collimating mirror fixing seat 1.
When focusing is needed, the knob 5 is rotated, the shifting rod 5 drives the collimating lens moving frame 2 to move in the collimating lens fixing seat 1 along the axial direction under the limitation of the sliding groove 9 of the collimating lens fixing seat, so that the collimating lens 3 is driven to move up and down, the focusing of laser beams is realized, and when the focusing requirement is met, the knob stops rotating by observing scales of the graduated scale.
Based on above-mentioned structure, the utility model discloses two specific embodiments are still provided and are come further detailed description to technical scheme seat:
example 1
As shown in fig. 2, the focusing mechanism of the present embodiment includes a collimator fixing base 1, a collimator moving frame 2, a collimator (set) 3, a shift lever 4, a knob 5, a knob cover plate 6, a locking screw 7, and a cooling device.
The collimating lens fixing seat 1 is hollow, light through holes 8 through which light beams pass are formed in the top surface and the bottom surface, and a sliding groove 9 and a circular shallow groove 10 are formed in the outer wall of the collimating lens fixing seat 1 along the transmission direction of the light beams;
the collimator lens moving frame 2 is slidably mounted in the collimator lens fixing seat 1, is coaxial with the light through hole 8, can slide up and down along the inner wall of the collimator lens fixing seat 1, and is provided with a through hole corresponding to the sliding groove 9;
the collimating mirror (group) 3 is fixed inside the collimating mirror moving frame 2 through a pressing ring 11;
one side of the knob 5 is rotatably connected in a cylindrical shallow groove 10 of the collimating mirror fixing seat, a deep groove 12 for mounting the deflector rod 4 is arranged on the end face of the side, the other side of the knob 5 is arranged in a mounting hole of the rotary cover plate 6, and a power transmission hole 13 is formed in the end face of the side (in the embodiment, the power transmission hole is a round hole with a key slot, and when the power transmission hole is used, a motor shaft is mounted at the position in a key connection mode, so that the knob is driven to rotate);
one end of the deflector rod 4 is fixedly connected with the collimator lens moving frame 2, and the other end of the deflector rod penetrates through the chute 9 of the collimator lens fixing seat and then is embedded into the deep groove 12 of the knob 5;
a locking screw 7 is mounted on the knob cover plate 6 for limiting the knob rotation.
The cooling assembly comprises a cooling liquid inlet 14, a cooling liquid outlet 15 and a cooling liquid circulation channel 16 communicated with the cooling liquid inlet 14 and the cooling liquid outlet 15; the cooling liquid inlet 14 and the cooling liquid outlet 15 are both arranged on the collimating mirror fixing seat 1 and are arranged up and down; the cooling liquid circulation channel 16 is arranged in the side wall of the collimating mirror fixing seat 1 and distributed in a spiral line form; the collimating mirror fixing seat 1, the cooling liquid inlet 14, the cooling liquid circulation channel 16 and the cooling liquid outlet 15 are integrally formed in a 3D printing mode.
When focusing is needed, the knob 5 starts to rotate under the driving of an external motor, the deflector rod 4 drives the collimator lens moving frame 2 to axially move under the limitation of the chute 9 of the collimator lens fixing seat 1, so that the collimator lens 3 is driven to axially move, focusing adjustment is realized, and when a focal plane meets the use requirement, the locking screw 7 is screwed to abut against the knob 5, and position locking is completed; in the process, external cooling liquid enters the cooling liquid flowing channel 16 through the cooling liquid inlet 14 and then flows out from the cooling liquid outlet 15, so that the active cooling of the whole mechanism is realized in a heat exchange mode.
Example 2
As shown in fig. 2 and 3, the focusing mechanism of the present embodiment includes a collimator fixing base 1, a collimator moving frame 2, a collimator (group) 3, a shift lever 4, a knob 5, a knob cover plate 6, a locking screw 7, and a cooling assembly.
The collimating lens fixing seat 1 is hollow, light through holes 8 through which light beams pass are formed in the top surface and the bottom surface, and a sliding groove 9 and a circular shallow groove 10 are formed in the outer wall of the collimating lens fixing seat 1 along the transmission direction of the light beams;
the collimator lens moving frame 2 is slidably mounted in the collimator lens fixing seat 1, is coaxial with the light through hole 8, can slide up and down along the inner wall of the collimator lens fixing seat 1, and is provided with a through hole corresponding to the sliding groove 9;
the collimating mirror (group) 3 is fixed inside the collimating mirror moving frame 2 through a pressing ring 11;
one side of the knob 5 is rotatably connected in a shallow cylindrical groove 10 of the collimator lens fixing seat 1, a deep groove 12 for mounting a deflector rod is arranged on the end face of the side, the other side of the knob 5 is arranged in a mounting hole of the rotary cover plate 6, and a power transmission hole 13 is formed in the end face of the side (in the embodiment, the power transmission hole is a square hole, and when the power transmission hole is used, an operation wrench is mounted in the square hole, so that the knob is driven to rotate);
one end of the deflector rod 4 is fixedly connected with the collimator lens moving frame 2, and the other end of the deflector rod penetrates through the chute 9 of the collimator lens fixing seat and then is embedded into the deep groove 12 of the knob;
a locking screw 7 is mounted on the knob cover 6 for limiting rotation of the knob 5.
The cooling assembly comprises a plurality of convection cooling fins 17, the convection cooling fins 17 are connected end to form a whole (in the embodiment, two adjacent convection cooling fins 17 are connected through screws), and the whole is attached to the outer wall of the collimating mirror fixing seat 1.
When focusing is needed, the knob 5 starts to rotate under the driving of an operation wrench, the deflector rod 4 drives the collimator lens moving frame 2 to axially move under the limitation of the chute 9 of the collimator lens fixing seat 1, so that the collimator lens 3 is driven to axially move, focusing adjustment is realized, and when a focal plane meets the use requirement, the locking screw 7 is screwed to abut against the knob 5, and position locking is completed; in the process, the convection cooling fins 17 are attached to the outer side face of the collimating mirror fixing seat 1, and the passive cooling of the whole mechanism is realized.
Except above-mentioned two kinds of cooling module, still can realize the cooling through setting up the semiconductor refrigeration piece in this mechanism, specifically paste the cold junction of semiconductor refrigeration piece on collimating mirror fixing base outer wall, DC power supply is connected to the power cord, realizes cold junction initiative cooling.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A laser cladding head focusing mechanism comprises a collimating mirror fixing seat, a collimating mirror moving frame, a collimating mirror, a deflector rod, a knob and a cooling assembly;
the collimating lens fixing seat is hollow, and the top surface and the bottom surface are provided with light through holes for light beams to pass through; a sliding groove is formed in the side wall of the collimating mirror fixing seat along the transmission direction of the light beam, the length of the sliding groove is determined by the required focusing amount, and the width of the sliding groove is matched with the outer diameter of the shifting lever;
the collimating mirror moving frame is slidably arranged in the collimating mirror fixing seat and coaxially arranged, and the collimating mirror is fixedly arranged in the collimating mirror moving frame;
the knob is rotatably connected to the outer side of the collimating mirror fixing seat and arranged corresponding to the sliding groove, and a graduated scale is arranged on the knob;
one end of the deflector rod is fixedly connected with the collimator lens moving frame, and the other end of the deflector rod penetrates through the chute and then is connected with the knob;
the cooling assembly is arranged on the collimating mirror fixing seat.
2. The laser cladding head focusing mechanism of claim 1, wherein: the cooling assembly comprises a cooling liquid inlet, a cooling liquid outlet and a cooling liquid circulation channel communicated with the cooling liquid inlet and the cooling liquid outlet; the cooling liquid inlet and the cooling liquid outlet are both arranged on the collimating mirror fixing seat and are arranged up and down; the cooling liquid circulation channel is formed in the side wall of the collimating mirror fixing seat and is distributed in a spiral line form;
collimating mirror fixing base, coolant liquid entry, coolant liquid circulation passageway and coolant liquid outlet all through the mode integrated into one piece that 3D printed.
3. The laser cladding head focusing mechanism of claim 1, wherein: the cooling assembly comprises a plurality of convection cooling fins which are connected end to form a whole and are integrally attached to the outer wall of the collimating mirror fixing seat.
4. The laser cladding head focusing mechanism of claim 3, wherein: and the two adjacent convection cooling fins are connected through screws.
5. The laser cladding head focusing mechanism of claim 1, wherein: the cooling assembly comprises a plurality of semiconductor refrigerating pieces, the semiconductor refrigerating pieces are attached to the outer wall of the collimating mirror fixing seat, and each semiconductor refrigerating piece is connected with an external direct-current power supply to realize active cooling of the cold end.
6. The laser cladding head focusing mechanism of any one of claims 1-5, wherein: the knob is provided with a power transmission hole which is a round hole or a square hole with a key groove.
7. The laser cladding head focusing mechanism of claim 6, wherein: the collimating mirror fixing seat is characterized by further comprising a knob cover plate, the knob cover plate is fixed on the outer wall of the collimating mirror fixing seat, and a rotary mounting hole is formed in the knob cover plate.
8. The laser cladding head focusing mechanism of claim 7, wherein: the locking screw is arranged on the knob cover plate and used for limiting the knob to rotate.
9. The laser cladding head focusing mechanism of claim 1, wherein: the collimating lens is arranged in the collimating lens moving frame through a pressing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118847.0U CN212168953U (en) | 2020-01-19 | 2020-01-19 | Focusing mechanism of laser cladding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020118847.0U CN212168953U (en) | 2020-01-19 | 2020-01-19 | Focusing mechanism of laser cladding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212168953U true CN212168953U (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020118847.0U Active CN212168953U (en) | 2020-01-19 | 2020-01-19 | Focusing mechanism of laser cladding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212168953U (en) |
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2020
- 2020-01-19 CN CN202020118847.0U patent/CN212168953U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230711 Address after: 2119, 21st Floor, Building 1, No. 6 Beixiaomachang, Haidian District, Beijing, 100038 Patentee after: Beijing Wanwei Additive Technology Co.,Ltd. Address before: No. 999, Shanglinyuan 7th Road, Guodu street, Chang'an District, Xi'an City, Shaanxi Province, 710300 Patentee before: NATIONAL INSTITUTE CORPORATION OF ADDATIVE MANUFACTURING, XI'AN |
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| TR01 | Transfer of patent right |