CN214558233U - Compact laser coupling adjusting device - Google Patents
Compact laser coupling adjusting device Download PDFInfo
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- CN214558233U CN214558233U CN202023327934.6U CN202023327934U CN214558233U CN 214558233 U CN214558233 U CN 214558233U CN 202023327934 U CN202023327934 U CN 202023327934U CN 214558233 U CN214558233 U CN 214558233U
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Abstract
The utility model provides a compact laser coupling adjusting device, the utility model relates to a laser coupling adjusting device technical field. Including the focus microscope base, Y axle adjusting part, X axle adjusting part, Z axle adjusting part, the optic fibre connecting plate, be equipped with first extension spring pillar on the optic fibre connecting plate, be equipped with the second extension spring pillar on the focus microscope base, be equipped with extension spring between first extension spring pillar and the second extension spring pillar, extension spring is used for straining the optic fibre connecting plate on the focus microscope base through the pulling force, prevent to insert optic fibre behind the optic fibre connecting plate, make the optic fibre connecting plate break away from the focus microscope base because of optic fibre self weight. The compact laser coupling adjusting device provided by the utility model has high adjusting precision, can meet the requirements and can stably output laser; meanwhile, the laser is compact in structural design, small, exquisite and flexible, and suitable for lasers with small sizes.
Description
Technical Field
The utility model relates to a laser coupling device technical field especially relates to a laser coupling adjusting device of compact.
Background
The laser welding machine transmits laser through the optical fiber by the laser, and then the laser is acted on a workpiece through the laser welding head. Laser transmission needs to couple laser from a laser to an optical fiber, and the relative position of the laser and the optical fiber needs to be adjusted in the process to ensure the output power of the laser and the shape and size of a light spot.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The compact laser coupling adjusting device of the existing laser has the technical problems of poor convenience, accuracy and stability in the debugging process.
(II) technical scheme
Comprises a focusing lens seat, a Y-axis adjusting component, an X-axis adjusting component, a Z-axis adjusting component and an optical fiber connecting plate.
Optionally, a first extension spring support is arranged on the optical fiber connecting plate, a second extension spring support is arranged on the focusing lens base, an extension spring is arranged between the first extension spring support and the second extension spring support, and the extension spring is used for tensioning the optical fiber connecting plate on the focusing lens base through tension force, so that the optical fiber connecting plate is prevented from being separated from the focusing lens base due to the self weight of the optical fiber after the optical fiber is inserted into the optical fiber connecting plate.
Optionally, the number of the extension springs is four.
Optionally, the Y-axis adjusting assembly includes a Y-axis adjusting differential head, a Y-axis adjusting fixing seat, a Y-axis spring support column, and a Y-axis extension spring;
the Y-axis adjusting fixed seat is fixed on the focusing lens seat through a screw, and the Y-axis adjusting differential head is fixed on the Y-axis adjusting fixed seat through a set screw;
the optical fiber connecting plate is provided with a first spring fixing screw, one end of the Y-axis stretching spring is hung on the Y-axis spring supporting column, and the other end of the Y-axis stretching spring is hung on the first spring fixing screw, so that tensile stress exists between the optical fiber connecting plate and the Y-axis adjusting fixing seat, and the Y-axis adjusting differential head is rotated to push the optical fiber connecting plate to generate thrust to realize displacement adjustment in the Y-axis direction.
Optionally, the X-axis adjusting assembly includes an X-axis adjusting fixing seat, an X-axis extension spring, an X-axis spring support column, and an X-axis adjusting micro-split head;
the X-axis adjusting fixed seat is fixed on the focusing lens seat through a screw, and the X-axis adjusting micro-split head is fixed on the X-axis adjusting fixed seat through a set screw;
and a second spring fixing screw is arranged on the optical fiber connecting plate, one end of an X-axis stretching spring is hung on the X-axis spring supporting column, and the other end of the X-axis stretching spring is hung on the second spring fixing screw, so that tensile stress exists between the optical fiber connecting plate and the X-axis adjusting fixing seat, and the X-axis adjusting differential head is rotated to push the optical fiber connecting plate to generate thrust to realize displacement adjustment in the X-axis direction.
Optionally, a coupling lens unit is arranged in the circular hole of the focusing lens base, a Z-axis compression spring is arranged between the focusing lens unit and the focusing lens base, and the Z-axis compression spring is used for enabling the focusing lens unit and the focusing lens base to generate thrust mutually.
Optionally, a Z-axis adjusting support is fixed on the focusing lens base, a Z-axis adjusting rod is fixed on the Z-axis adjusting support through a screw, a Z-axis adjusting screw penetrates through a threaded hole in the focusing lens base and abuts against the Z-axis adjusting rod, the opening end of the Z-axis adjusting rod abuts against the focusing lens unit, thrust is generated by rotating the Z-axis adjusting screw, the Z-axis adjusting rod is pushed to compress or loosen the focusing lens unit, and the displacement adjustment in the Z-axis direction is realized by matching with the thrust generated by the Z-axis compression spring.
(III) advantageous effects
The relative positions of the focusing lens and the optical fiber can be adjusted in three dimensions through the spring, the differential head and the adjusting screw rod, so that laser can be accurately coupled into the optical fiber, and the output power and the shape and size of a light spot of the laser can reach the design standard. After the optical fiber is inserted into the compact laser coupling adjusting device, the differential head and the Z-axis adjusting screw rod can be adjusted by rotating the X, Y axis, the relative position of the laser and the optical fiber is adjusted, the focus of the laser can be accurately coupled into the optical fiber, and the output power of the laser and the shape and size of a light spot can reach the design standard. The adjusting process is simple and convenient, the adjusting precision is high, the requirements can be met, and the laser can be stably output; meanwhile, the laser is compact in structural design, small, exquisite and flexible, and suitable for lasers with small sizes.
Drawings
FIG. 1 is a schematic structural diagram of a compact laser coupling adjustment device;
FIG. 2 is a schematic diagram of the compact laser coupling adjustment device after the structure is disassembled;
FIG. 3 is a schematic diagram of a fiber optic connector;
FIG. 4 is a schematic view of an extension spring;
FIG. 5 is a schematic view of a focusing lens holder;
FIG. 6 is a schematic view of a Z-axis adjustment assembly;
FIG. 7 is a schematic view of the Z-axis adjustment assembly after structural disassembly;
fig. 8 is a schematic view of a Z-axis compression spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
In the first embodiment of the present invention, a compact laser coupling adjustment mechanism is provided, which includes a focusing lens holder 1, a Y-axis adjustment assembly 2, an X-axis adjustment assembly 3, a Z-axis adjustment assembly 4, and an optical fiber connection plate 5.
Referring to fig. 1 to 5, the optical fiber connection plate 5 is provided with the tension spring support 7, the focus lens base 1 is provided with the tension spring support 11, the optical fiber connection plate 5 is tensioned on the focus lens base 1 by the tension of the four tension springs 8, and the optical fiber connection plate 5 is prevented from being separated from the focus lens base 1 due to the self weight of the optical fiber after the optical fiber 6 is inserted into the optical fiber connection plate.
Referring to fig. 1-3, the Y-axis adjusting assembly includes a Y-axis adjusting differential head 2-1, a Y-axis adjusting fixing seat 2-2, a Y-axis spring support column 2-3, and a Y-axis extension spring 2-4. The Y-axis adjusting fixed seat 2-2 is fixed on the focusing lens seat 1 through a screw, and the Y-axis adjusting differential head 2-1 is fixed on the Y-axis adjusting fixed seat 2-2 through a set screw. The optical fiber connecting plate 5 is provided with a spring fixing screw 9, one end of a Y-axis stretching spring 2-4 is hung on a Y-axis spring supporting column 2-3, and the other end of the Y-axis stretching spring is hung on the spring fixing screw 9, so that tensile stress exists between the optical fiber connecting plate 5 and the Y-axis adjusting fixing seat 2-2, and the Y-axis adjusting differential head 2-1 is rotated to push against the optical fiber connecting plate 5 to generate thrust to realize displacement adjustment in the Y-axis direction.
Similarly, referring to fig. 1-3, the X-axis adjusting assembly comprises an X-axis adjusting fixing seat 3-1, an X-axis extension spring 3-2, an X-axis spring support column 3-3, and an X-axis adjusting micro-split head 3-4. The X-axis adjusting fixed seat 3-1 is fixed on the focusing lens seat 1 through a screw, and the X-axis adjusting micro-split head 3-4 is fixed on the X-axis adjusting fixed seat 3-1 through a set screw. The optical fiber connecting plate 5 is provided with a spring fixing screw 10, one end of an X-axis stretching spring 3-2 is hung on an X-axis spring supporting column 3-3, and the other end of the X-axis stretching spring is hung on the spring fixing screw 10, so that tensile stress exists between the optical fiber connecting plate 5 and an X-axis adjusting fixing seat 3-1, and the X-axis adjusting micro-split head 3-4 is rotated to abut against the optical fiber connecting plate 5 to generate thrust to realize displacement adjustment in the X-axis direction.
Referring to fig. 6 to 8, the coupling mirror unit is disposed in a circular hole of the focusing mirror base 1, and a Z-axis compression spring 4-4 is disposed between the focusing mirror unit 12 and the focusing mirror base 1 to generate a thrust therebetween. The Z-axis adjusting support 4-2 is fixed on the focusing lens base 1 through a screw, the Z-axis adjusting rod 4-3 is fixed on the Z-axis adjusting support 4-2 through a screw, the Z-axis adjusting screw rod 4-1 penetrates through a threaded hole in the focusing lens base 1 and abuts against the Z-axis adjusting rod 4-3, the opening end of the Z-axis adjusting rod 4-3 abuts against the focusing lens unit 12, thrust is generated by rotating the Z-axis adjusting screw rod 4-1, the Z-axis adjusting rod 4-3 is pushed to press or loosen the focusing lens unit 12, and displacement adjustment in the Z-axis direction is achieved by matching with the thrust generated by the Z-axis compression spring 4-4.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (6)
1. A compact laser coupling adjusting device is characterized by comprising a focusing lens base (1), a Y-axis adjusting component (2), an X-axis adjusting component (3), a Z-axis adjusting component (4) and an optical fiber connecting plate (5), a first extension spring support (7) is arranged on the optical fiber connecting plate (5), a second extension spring support (11) is arranged on the focusing lens base (1), an extension spring (8) is arranged between the first extension spring support (7) and the second extension spring support (11), the extension spring (8) is used for tensioning the optical fiber connecting plate (5) on the focusing lens base (1) through tension to prevent an optical fiber (6) from being inserted into the optical fiber connecting plate (5), the optical fiber connecting plate (5) is separated from the focusing lens base (1) due to the self weight of the optical fiber (6).
2. The compact laser coupling adjustment device as claimed in claim 1, characterized in that the number of tension springs (8) is four.
3. The compact laser coupling adjustment device of claim 1, wherein the Y-axis adjustment assembly (2) comprises a Y-axis adjustment differential head (2-1), a Y-axis adjustment fixing seat (2-2), a Y-axis spring support column (2-3) and a Y-axis extension spring (2-4);
the Y-axis adjusting fixing seat (2-2) is fixed on the focusing lens seat (1) through a screw, and the Y-axis adjusting differential head (2-1) is fixed on the Y-axis adjusting fixing seat (2-2) through a set screw;
the optical fiber connecting plate is characterized in that a first spring fixing screw (9) is arranged on the optical fiber connecting plate (5), one end of a Y-axis stretching spring (2-4) is hung on the Y-axis spring supporting column (2-3), the other end of the Y-axis stretching spring is hung on the first spring fixing screw (9), so that tensile stress exists between the optical fiber connecting plate (5) and the Y-axis adjusting fixing seat (2-2), and the Y-axis adjusting micro-splitting head (2-1) is rotated to prop against the optical fiber connecting plate (5) to generate thrust to realize displacement adjustment in the Y-axis direction.
4. The compact laser coupling adjustment device of claim 3, wherein the X-axis adjustment assembly (3) comprises an X-axis adjustment fixing seat (3-1), an X-axis extension spring (3-2), an X-axis spring support column (3-3), and an X-axis adjustment micro-split head (3-4);
the X-axis adjusting fixing seat (3-1) is fixed on the focusing lens seat (1) through a screw, and the X-axis adjusting micro-dividing head (3-4) is fixed on the X-axis adjusting fixing seat (3-1) through a set screw;
the optical fiber connecting plate is characterized in that a second spring fixing screw (10) is arranged on the optical fiber connecting plate (5), one end of an X-axis stretching spring (3-2) is hung on an X-axis spring supporting column (3-3), the other end of the X-axis stretching spring is hung on the second spring fixing screw (10), so that tensile stress exists between the optical fiber connecting plate (5) and the X-axis adjusting fixing seat (3-1), and the X-axis adjusting micro-dividing head (3-4) is rotated to prop against the optical fiber connecting plate (5) to generate thrust to realize displacement adjustment in the X-axis direction.
5. The compact laser coupling adjustment device of claim 4,
the focusing lens is characterized in that a coupling lens unit is arranged in a round hole of the focusing lens base (1), a Z-axis compression spring (4-4) is arranged between the focusing lens unit (12) and the focusing lens base (1), and the Z-axis compression spring (4-4) is used for enabling the focusing lens unit (12) and the focusing lens base (1) to generate thrust mutually.
6. The compact laser coupling adjustment device as claimed in claim 5, wherein a Z-axis adjustment support (4-2) is fixed on the focusing lens base (1), a Z-axis adjustment rod (4-3) is fixed on the Z-axis adjustment support (4-2) by a screw, a Z-axis adjustment screw (4-1) passes through a threaded hole on the focusing lens base (1) and abuts against the Z-axis adjustment rod (4-3), and an open end of the Z-axis adjustment rod (4-3) abuts against the focusing lens unit (12), so that a thrust is generated by rotating the Z-axis adjustment screw (4-1), and the Z-axis adjustment rod (4-3) is pushed to press or loosen the focusing lens unit (12), and the displacement adjustment in the Z-axis direction is realized by matching with the thrust generated by the Z-axis compression spring (4-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327934.6U CN214558233U (en) | 2020-12-31 | 2020-12-31 | Compact laser coupling adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023327934.6U CN214558233U (en) | 2020-12-31 | 2020-12-31 | Compact laser coupling adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214558233U true CN214558233U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023327934.6U Active CN214558233U (en) | 2020-12-31 | 2020-12-31 | Compact laser coupling adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214558233U (en) |
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2020
- 2020-12-31 CN CN202023327934.6U patent/CN214558233U/en active Active
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