CN210723681U - Optical fiber laser collimation output device - Google Patents
Optical fiber laser collimation output device Download PDFInfo
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- CN210723681U CN210723681U CN201921469508.0U CN201921469508U CN210723681U CN 210723681 U CN210723681 U CN 210723681U CN 201921469508 U CN201921469508 U CN 201921469508U CN 210723681 U CN210723681 U CN 210723681U
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Abstract
A fiber laser collimation output device comprises an adjusting component, a fiber connecting component connected with the adjusting component, and a collimation lens arranged in the adjusting component; the adjusting assembly comprises a main base cylinder, a sliding sleeve nested with the main base cylinder, and a locking piece for locking the relative position between the sliding sleeve and the main base cylinder; the sliding sleeve is in threaded connection with the main base cylinder; the optical fiber connecting component is connected with the sliding sleeve; the collimating lens is mounted in the primary base cylinder; through the mutual nestification between main base section of thick bamboo and the sliding sleeve, and threaded connection between main base section of thick bamboo and the sliding sleeve, when rotating the sliding sleeve, the relative main base section of thick bamboo of sliding sleeve produces axial displacement, because fiber coupling subassembly is connected with the sliding sleeve, thereby can change the distance between the optic fibre output terminal surface in the fiber coupling subassembly and the collimation lens, after output laser satisfies the collimation requirement, through the relative position between locking piece locking sliding sleeve and the main base section of thick bamboo, make the focus accuracy of optic fibre output terminal surface and collimation lens correspond.
Description
Technical Field
The utility model relates to an optic fibre laser collimation output technology especially relates to one kind in optic fibre laser collimation output device.
Background
In recent years, the demand for laser cutting technology in China is rapidly increased, and the demand for optical fiber laser cutting equipment is remarkably increased due to the advantages of convenience in maintenance, low consumption cost, excellent cutting section and the like. The optical fiber laser alignment output device is an important component of the optical fiber laser cutting equipment, and has great influence on the cutting quality of the plate by the optical fiber laser cutting equipment. The existing fiber laser collimation device generally comprises a QBH (or QD) female head, a collimation lens and a supporting and connecting structural member between the QBH (or QD) female head and the collimation lens, and the installation distance between the collimation lens and the QBH (or QD) female head cannot be adjusted. However, since there is a difference between the fiber laser output QBH (or QD) male heads produced by different manufacturers, after the fiber laser collimating device is inserted into the existing fiber laser collimating device, the position of the fiber output end face is not always at the focal position of the collimating lens, which results in that the laser output from the collimating lens cannot be guaranteed to be a beam of parallel light, thereby affecting the experiment, test or processing effect of the fiber laser cutting device.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a fiber laser collimating output device to solve the problem that the output end face of the fiber cannot be kept at the focal point of the collimating lens.
A fiber laser collimating output device, comprising: the device comprises an adjusting assembly, an optical fiber connecting assembly connected with the adjusting assembly, and a collimating lens arranged in the adjusting assembly; the adjusting assembly comprises a main base cylinder, a sliding sleeve nested with the main base cylinder, and a locking piece for locking the relative position between the sliding sleeve and the main base cylinder; the sliding sleeve is in threaded connection with the main base cylinder; the optical fiber connecting component is connected with the sliding sleeve; the collimating optic is mounted in the primary base cylinder.
Above-mentioned fiber laser collimation output device, through the mutual nestification between main base section of thick bamboo and the sliding sleeve, and threaded connection between main base section of thick bamboo and the sliding sleeve, during the rotation sliding sleeve, the relative main base section of thick bamboo of sliding sleeve produces axial displacement, because fiber coupling subassembly is connected with the sliding sleeve, thereby can change the distance between fiber output terminal surface and the collimation lens among the fiber coupling subassembly, after output laser satisfies the collimation requirement, through the relative position between locking piece locking sliding sleeve and the main base section of thick bamboo, make the focus accuracy of fiber output terminal surface and collimation lens correspond, guarantee laser collimation effect.
In one embodiment, the main base cylinder is sleeved outside the sliding sleeve; the inner side of the main base cylinder is provided with an internal thread; the outer side of the sliding sleeve is provided with an external thread matched with the internal thread on the inner side of the main base cylinder; the locking piece is annular and is sleeved outside the sliding sleeve; the inner side of the locking piece is provided with an internal thread matched with the external thread on the sliding sleeve; thereby facilitating the locking of the relative position between the sliding sleeve and the main cylinder by the locking member.
In one embodiment, the liquid cooling assembly is connected with the adjusting assembly; the outer side of the main base cylinder is provided with a liquid flow groove which is arranged around the surface of the main base cylinder; the liquid inlet and the liquid outlet of the liquid flow groove are adjacent and separated; the liquid cooling assembly comprises a liquid cooling lantern ring arranged around the liquid flow groove, a liquid inlet connector connected with the liquid cooling lantern ring, and a liquid outlet connector connected with the liquid cooling lantern ring; the liquid inlet joint is arranged corresponding to a liquid inlet of the liquid flow groove, and the liquid outlet joint is arranged corresponding to a liquid outlet of the liquid flow groove; thereby reducing the temperature of the collimating lens and the primary base cylinder.
In one embodiment, the main base cylinder is provided with first annular grooves on two sides of the liquid flow groove respectively; the liquid cooling assembly further comprises a first sealing ring corresponding to the first annular groove; the first sealing ring is arranged between the main base cylinder and the liquid cooling lantern ring; thereby avoiding leakage of liquid flow in the liquid cooling assembly.
In one embodiment, the liquid cooling assembly further comprises a pressure ring sleeved outside the main base cylinder; the pressing ring is in threaded fit with the main base cylinder; thereby avoiding the liquid cooling lantern ring deviating from the liquid flow groove and causing liquid leakage.
In one embodiment, the main base cylinder is provided with an oriented screw hole, and the liquid cooling lantern ring is provided with an oriented through hole corresponding to the oriented screw hole; when the directional through hole is coaxial with the directional screw hole, the liquid inlet joint corresponds to a liquid inlet of the liquid flow groove, and the liquid outlet joint corresponds to a liquid outlet of the liquid flow groove; thereby ensuring that the liquid inlet joint and the liquid outlet joint respectively and accurately correspond to the liquid inlet A and the liquid outlet B of the liquid flow groove.
In one embodiment, a second annular groove is formed on the outer side of one end, close to the collimating lens, of the sliding sleeve; the adjusting assembly further comprises a second sealing ring corresponding to the second annular groove; the second sealing ring is arranged between the sliding sleeve and the main base cylinder; thereby in the relative main base cylinder of sliding sleeve removal rotation in-process, avoid outside dust to enter into the inner chamber of adjusting part from the gap between sliding sleeve and the main base cylinder.
In one embodiment, the lens mounting assembly is disposed in the main base cylinder; the lens mounting assembly comprises a first spacer ring accommodated in the main base cylinder, a second spacer ring accommodated in the main base cylinder, and a lens locking ring accommodated in the main base cylinder; the lens locking ring is in threaded connection or clamping connection with the inner side of the main base cylinder; a step part is arranged on the inner side of the main base cylinder; the first space ring, the collimating lens and the second space ring are sequentially arranged between the step part and the lens locking ring; therefore, the internal structure of the main base cylinder can be simplified, the direct contact between the lens locking ring and the collimating lens can be avoided, and the collimating lens can be positioned by utilizing the first space ring and the second space ring.
In one embodiment, the fiber optic connection assembly includes a female-side connector threadably connected to the sliding sleeve; thereby facilitating the connection between the optical fiber connecting component and the sliding sleeve.
In one embodiment, the fiber optic connection assembly further comprises a third sealing ring disposed between the sliding sleeve and the female-side connector; thereby avoiding dust from entering the inner cavity of the adjusting component from the clearance between the sliding sleeve and the female side joint.
Drawings
Fig. 1 is a schematic perspective view of an optical fiber laser collimation output device according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the fiber laser collimation output device shown in fig. 1 after separating the fiber connection assembly;
FIG. 3 is a schematic perspective view of the fiber laser collimating output device shown in FIG. 1 at another angle after the fiber connecting assembly is separated;
FIG. 4 is an exploded view of the fiber laser collimating output device shown in FIG. 1;
FIG. 5 is an exploded view of the fiber laser collimating output device shown in FIG. 1 at another angle;
FIG. 6 is a front view of the fiber laser alignment input shown in FIG. 1;
fig. 7 is a cross-sectional view of the fiber laser alignment input shown in fig. 6 in the a-a direction.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully below. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 to 7, a fiber laser collimating output device 100 according to a preferred embodiment of the present invention is used for providing collimated laser output. The fiber laser collimation output device 100 comprises an adjusting component 20, a fiber connecting component 30 connected with the adjusting component 20, and a collimation lens 40 arranged in the adjusting component 20; the adjusting assembly 20 comprises a main base cylinder 21, a sliding sleeve 22 nested with the main base cylinder 21, and a locking piece 23 for locking the relative position between the sliding sleeve 22 and the main base cylinder 21; the sliding sleeve 22 is in threaded connection with the main base cylinder 21; the optical fiber connecting component 30 is connected with the sliding sleeve 22; the collimating lens 40 is mounted in the main base cylinder 21.
Through mutual nesting between the main base cylinder 21 and the sliding sleeve 22 and threaded connection between the main base cylinder 21 and the sliding sleeve 22, when the sliding sleeve 22 is rotated, the sliding sleeve 22 axially moves relative to the main base cylinder 21, and the distance between the output end face of the optical fiber in the optical fiber connecting assembly 30 and the collimating lens 40 can be changed because the optical fiber connecting assembly 30 is connected with the sliding sleeve 22; when the output laser meets the collimation requirement, the locking piece 23 is used for locking the relative position between the sliding sleeve 22 and the main base cylinder 21, so that the output end face of the optical fiber accurately corresponds to the focus of the collimation lens 40, and the laser collimation effect is ensured.
Referring to fig. 1 to 3, the main base cylinder 21 is sleeved outside the sliding sleeve 22; the inner side of the main base cylinder 21 is provided with internal threads; the outer side of the sliding sleeve 22 is provided with an external thread matched with the internal thread on the inner side of the main base cylinder 21; the locking piece 23 is annular and is sleeved outside the sliding sleeve 22; the locking piece 23 is provided with an internal thread on the inner side thereof for matching with the external thread on the sliding sleeve 22. The sliding sleeve 22 and the main base cylinder 21 are adjusted to proper positions in a spiral way, after the output end face of the optical fiber just corresponds to the focus of the collimating lens 40, the locking piece 23 moves in a spiral way outside the sliding sleeve 22 to abut against the edge of the main base cylinder 21, so that the thread pressure between the main base cylinder 21 and the sliding sleeve 22 is increased, and the relative movement between the main base cylinder 21 and the sliding sleeve 22 is avoided; in other embodiments, the sliding sleeve 22 may be sleeved outside the main base cylinder 21, the locking member 23 is sleeved on the main base cylinder 21, and the relative movement between the main base cylinder 21 and the sliding sleeve 22 is limited by the abutting between the locking member 23 and the sliding sleeve 22.
Referring to fig. 4, the outer side of the main base cylinder 21 is provided with a fluid groove 210 disposed around the surface of the main base cylinder 21; the liquid inlet 210A and the liquid outlet 210B of the liquid flow groove 210 are adjacent and separated; the main base cylinder 21 is provided with first annular grooves 211 at both sides of the liquid flow groove 210, respectively. The main base cylinder 21 is provided with an orientation screw hole 212.
Referring to fig. 4, 6 and 7, a second annular groove 220 is formed on the outer side of one end of the sliding sleeve 22 close to the collimating lens 40; the adjustment assembly 20 further includes a second seal ring 24 corresponding to the second annular groove 220; the second seal ring 24 is disposed between the sliding sleeve 22 and the main cylinder 21; the second annular groove 220 has a positioning effect on the second sealing ring 24, and a gap between the sliding sleeve 22 and the main base cylinder 21 is in interference fit with the second sealing ring 24; a step 213 is provided inside the main base cylinder 21.
The optical fiber connection assembly 30 includes a female-side connector 31 threadedly coupled with the sliding sleeve 22; specifically, the female-side adapter 31 employs the QBH or QD standard; the optical fiber connecting assembly 30 further comprises a male side connector fixed with an optical fiber output end face, and the male side connector is buckled or clamped with the female side connector 31; after the male connector is inserted into the female connector 31, if the fiber laser alignment output device 100 does not meet the alignment requirement, the distance between the fiber output end surface and the alignment lens 40 can be adjusted by releasing the locking member 23.
Referring to fig. 3 and 7, the optical fiber connecting assembly 30 further includes a third sealing ring 32 disposed between the sliding sleeve 22 and the female connector 31.
Referring to fig. 4 and 5, the fiber laser collimating output device 100 further includes a liquid cooling assembly 50 connected to the adjusting assembly 20; the liquid cooling assembly 50 comprises a liquid cooling lantern ring 51 arranged around the liquid flow groove 210, a liquid inlet connector 52 connected with the liquid cooling lantern ring 51 and a liquid outlet connector 53 connected with the liquid cooling lantern ring 51; the liquid inlet joint 52 is arranged corresponding to the liquid inlet 210A of the liquid flow groove 210, and the liquid outlet joint 53 is arranged corresponding to the liquid outlet 210B of the liquid flow groove 210; specifically, cooling water or other cooling liquids for cooling enter the liquid flow groove 210 from the liquid inlet connector 52, a closed flowing space is provided for liquid flow or water flow through the matching of the liquid cooling collar 51 and the liquid flow groove 210, after the liquid flows around the outer side of the main base cylinder 21, the liquid flows out from the liquid outlet connector 53, heat generated on the collimating lens 40 when the optical fiber emergent laser passes through the collimating lens 40 is transferred to the main base cylinder 21, and the heat on the main base cylinder 21 is taken away by the liquid flow, so that the temperatures of the collimating lens 40 and the main base cylinder 21 are reduced.
The liquid cooling assembly 50 further includes a first sealing ring 54 corresponding to the first annular groove 211; the first seal ring 54 is disposed between the main base cylinder 21 and the liquid-cooled collar 51; specifically, the first annular groove 211 allows the first sealing ring 54 to be positioned on both sides of the liquid flow groove 210, and the liquid can be prevented from leaking to the outside of the liquid cooling collar 51 by interference fit between the gap between the main base cylinder 21 and the sliding sleeve 22 and the first sealing ring 54.
Referring to fig. 7, the liquid cooling assembly 50 further includes a pressing ring 55 disposed outside the main base cylinder 21; the press ring 55 is in threaded fit with the main base cylinder 21; specifically, after one side of the liquid cooling collar 51 abuts against the main base cylinder 21, the pressing ring 55 rotates to abut against the other side of the liquid cooling collar 51, so that the liquid cooling collar 51 is prevented from moving axially relative to the main base cylinder 21.
The liquid cooling lantern ring 51 is provided with an orientation through hole 511 corresponding to the orientation screw hole 212 of the main base cylinder 21; when the directional through hole 511 is coaxial with the directional screw hole 212, the inlet connector 52 corresponds to the inlet 210A of the liquid flow groove 210, and the outlet connector 53 corresponds to the outlet 210B of the liquid flow groove 210.
Referring to fig. 3 and 4, the fiber laser collimating output device 100 further includes a lens mounting assembly 60 disposed in the main base cylinder 21; the lens mounting assembly 60 includes a first spacer 61 accommodated in the main base cylinder 21, a second spacer 62 accommodated in the main base cylinder 21, and a lens locking ring 63 accommodated in the main base cylinder 21; the lens locking ring 63 is in threaded connection or clamping connection with the inner side of the main base cylinder 21; the first spacer 61, the collimating lens 40, and the second spacer 62 are sequentially disposed between the step 213 and the lens locking ring 63.
In this embodiment, through the mutual nestification between main base section of thick bamboo and the sliding sleeve, and threaded connection between main base section of thick bamboo and the sliding sleeve, when rotating the sliding sleeve, the relative main base section of thick bamboo of sliding sleeve produces axial displacement, because fiber coupling subassembly is connected with the sliding sleeve, thereby can change the distance between the optic fibre output terminal surface in the fiber coupling subassembly and the collimation lens, after output laser satisfies the collimation requirement, through the relative position between locking piece locking sliding sleeve and the main base section of thick bamboo, make the focus accuracy of optic fibre output terminal surface and collimation lens correspond, guarantee laser collimation effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A fiber laser collimating output device, comprising: the device comprises an adjusting assembly, an optical fiber connecting assembly connected with the adjusting assembly, and a collimating lens arranged in the adjusting assembly; the adjusting assembly comprises a main base cylinder, a sliding sleeve nested with the main base cylinder, and a locking piece for locking the relative position between the sliding sleeve and the main base cylinder; the sliding sleeve is in threaded connection with the main base cylinder; the optical fiber connecting component is connected with the sliding sleeve; the collimating optic is mounted in the primary base cylinder.
2. The fiber laser collimating output device of claim 1, wherein the main base cylinder is sleeved outside the sliding sleeve; the inner side of the main base cylinder is provided with an internal thread; the outer side of the sliding sleeve is provided with an external thread matched with the internal thread on the inner side of the main base cylinder; the locking piece is annular and is sleeved outside the sliding sleeve; the inner side of the locking piece is provided with an internal thread matched with the external thread on the sliding sleeve.
3. The fiber laser collimating output device of claim 2 further comprising a liquid cooling assembly connected to said regulating assembly; the outer side of the main base cylinder is provided with a liquid flow groove which is arranged around the surface of the main base cylinder; the liquid inlet and the liquid outlet of the liquid flow groove are adjacent and separated; the liquid cooling assembly comprises a liquid cooling lantern ring arranged around the liquid flow groove, a liquid inlet connector connected with the liquid cooling lantern ring, and a liquid outlet connector connected with the liquid cooling lantern ring; the liquid inlet joint with the inlet of liquid flow groove corresponds the setting, go out the liquid joint with the liquid outlet of liquid flow groove corresponds the setting.
4. The fiber laser collimating output device of claim 3, wherein the main base cylinder is provided with first annular grooves on both sides of the liquid flow groove; the liquid cooling assembly further comprises a first sealing ring corresponding to the first annular groove; the first sealing ring is arranged between the main base cylinder and the liquid cooling lantern ring.
5. The fiber laser collimating output device of claim 3, wherein said liquid cooling assembly further comprises a pressure ring sleeved outside said main base cylinder; the pressing ring is in threaded fit with the main base cylinder.
6. The fiber laser collimating output device of claim 3, wherein the main base cylinder is provided with a directional screw hole, and the liquid cooling collar is provided with a directional through hole corresponding to the directional screw hole; when the directional through hole is coaxial with the directional screw hole, the liquid inlet connector corresponds to the liquid inlet of the liquid flow groove, and the liquid outlet connector corresponds to the liquid outlet of the liquid flow groove.
7. The fiber laser collimating output device of claim 2, wherein the outer side of one end of the sliding sleeve close to the collimating lens is provided with a second annular groove; the adjusting assembly further comprises a second sealing ring corresponding to the second annular groove; the second sealing ring is arranged between the sliding sleeve and the main base cylinder.
8. The fiber laser collimating output device of claim 1, further comprising a lens mounting assembly disposed in the primary base cylinder; the lens mounting assembly comprises a first spacer ring accommodated in the main base cylinder, a second spacer ring accommodated in the main base cylinder, and a lens locking ring accommodated in the main base cylinder; the lens locking ring is in threaded connection or clamping connection with the inner side of the main base cylinder; a step part is arranged on the inner side of the main base cylinder; the first space ring, the collimating lens and the second space ring are sequentially arranged between the step part and the lens locking ring.
9. The fiber laser collimation output device of claim 1, wherein the fiber connection assembly comprises a female-side connector in threaded connection with the sliding sleeve.
10. The fiber laser collimating output device of claim 9, wherein the fiber connection assembly further comprises a third sealing ring disposed between the sliding sleeve and the female side connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469508.0U CN210723681U (en) | 2019-09-04 | 2019-09-04 | Optical fiber laser collimation output device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921469508.0U CN210723681U (en) | 2019-09-04 | 2019-09-04 | Optical fiber laser collimation output device |
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| CN210723681U true CN210723681U (en) | 2020-06-09 |
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| CN201921469508.0U Active CN210723681U (en) | 2019-09-04 | 2019-09-04 | Optical fiber laser collimation output device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504616A (en) * | 2019-09-04 | 2019-11-26 | 广东国志激光技术有限公司 | Optical-fiber laser collimates output device |
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2019
- 2019-09-04 CN CN201921469508.0U patent/CN210723681U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110504616A (en) * | 2019-09-04 | 2019-11-26 | 广东国志激光技术有限公司 | Optical-fiber laser collimates output device |
| CN110504616B (en) * | 2019-09-04 | 2024-07-19 | 江苏集萃激光智能装备有限公司 | Fiber laser collimation output device |
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