Laser fiber output device

Abstract

The utility model discloses a kind of laser fiber output devices, it is related to laser delivery technical field, including ferrule assembly and sleeve assembly, ferrule assembly one end and sleeve assembly detachably connect;Sleeve assembly includes cluster sleeve, metal bellows and branch sleeve, cluster sleeve one end is fixedly connected with metal bellows one end, and metal bellows other end is fixedly connected with branch sleeve one end;Ferrule assembly includes metal ferrule and locking nut, metal ferrule one end is detachably connected with cluster sleeve other end, locking nut is sleeved on the one end of metal ferrule and cluster sleeve connection, and is rotatably connected with metal ferrule, and metal ferrule other end passes through locking nut, extends to locking nut outside, and the one end of metal ferrule extending to locking nut outside is equipped with several layered output ports, solve the current laser fiber wire harness when using, only single-band transmission, poor heat dissipation and single fiber burnout easily cause chain scrapping problem.

Description

Technical Field

[0001] This utility model relates to the field of laser transmission technology, and in particular to a laser fiber optic output device. Background Technology

[0002] In precision industrial fields such as laser processing and semiconductor manufacturing, laser fiber bundles, as core transmission components connecting laser generators and terminal equipment, play a crucial role in efficiently transmitting light energy. Their performance directly affects the operational stability and processing accuracy of the equipment. Currently, the laser bundles widely used in the industry mostly adopt a layout of multiple fibers evenly arranged at the output end. After initial shaping with metal structural components, the gaps and connection points are filled with glue to achieve overall fixation. Although this structure can ensure a neat arrangement, it has obvious limitations in terms of functionality and is difficult to adapt to increasingly complex industrial needs.

[0003] The core defects of existing fiber optic bundles are concentrated in three aspects: In terms of transmission band, limited by fiber type and structural design, they can only be adapted to single-band lasers, which cannot meet the needs of multi-band collaborative operation in fields such as semiconductor manufacturing and material composite processing. They have poor versatility and increase equipment investment costs. In terms of heat dissipation performance, the low thermal conductivity of the adhesive, combined with the dense arrangement of optical fibers, easily leads to heat accumulation, causing the bundle to heat up too quickly. This not only affects the stability of laser transmission, but also accelerates the aging of optical fibers and adhesive. In terms of safety, the tight bonding between optical fibers with adhesive makes it impossible to isolate heat. When a single optical fiber burns out, it will trigger a chain reaction, causing the entire bundle to be scrapped, and may also threaten the safety of equipment and personnel.

[0004] These shortcomings in transmission adaptability, heat dissipation efficiency, and operational safety have become significant bottlenecks restricting the development of laser equipment towards multi-functionality and high stability. Therefore, developing a laser fiber optic output device that can achieve multi-band transmission, has efficient heat dissipation performance, and is safe to operate is of great practical significance and industrial value for improving equipment applicability, reducing maintenance costs, and ensuring production safety. Utility Model Content

[0005] Based on this, and in response to the above problems, this utility model proposes a laser fiber optic output device, which solves the problems of current laser fiber optic bundles being able to transmit only in a single band, having poor heat dissipation, and being prone to chain reactions and scrapping when a single fiber burns out.

[0006] The technical solution of this utility model is:

[0007] A laser fiber optic output device includes a ferrule assembly and a sleeve assembly, wherein one end of the ferrule assembly is detachably connected to the sleeve assembly.

[0008] The sleeve assembly includes a cluster sleeve, a metal bellows, and a branch sleeve. One end of the cluster sleeve is fixedly connected to one end of the metal bellows, and the other end of the metal bellows is fixedly connected to one end of the branch sleeve.

[0009] The ferrule assembly includes a metal ferrule and a locking nut. One end of the metal ferrule is detachably connected to the other end of the bundled sleeve. The locking nut is fitted on the end of the metal ferrule connected to the bundled sleeve and is rotatably connected to the metal ferrule. The other end of the metal ferrule passes through the locking nut and extends outside the locking nut. Several layered output ports are provided on the end of the metal ferrule that extends outside the locking nut.

[0010] Preferably, the branch sleeve has a first connecting cavity that extends through both ends of the branch sleeve.

[0011] Preferably, the metal bellows has a second connecting cavity that extends through both ends of the metal bellows, and one end of the first connecting cavity is connected to one end of the second connecting cavity.

[0012] Preferably, the bundled sleeve is provided with a third connecting cavity that extends through both ends of the bundled sleeve, and one end of the third connecting cavity is connected to the other end of the second connecting cavity.

[0013] Preferably, the metal ferrule includes a body, a plug-in portion, and a threaded connection portion. The plug-in portion is fixedly disposed at one end of the body, and the threaded connection portion is fixedly disposed at the other end of the body. The threaded connection portion is inserted into the other end of the third connecting cavity and is detachably connected to the bundled sleeve via threads. A fourth connecting cavity is provided inside the body and the threaded connection portion. Several layered output ports are disposed inside the plug-in portion and pass through both ends of the plug-in portion. One end of the several layered output ports is connected to one end of the fourth connecting cavity, and the other end of the fourth connecting cavity is connected to the third connecting cavity.

[0014] Preferably, the locking nut has a connection port at one end and a restriction port at the other end, with the connection port communicating with the restriction port. The end of the locking nut with the connection port is sleeved on the end of the main body of the metal ferrule with the threaded connection part, and is rotatably connected to the main body. The end of the main body of the metal ferrule with the insertion part is located inside the restriction port, and the insertion part extends outside the locking nut.

[0015] Preferably, a limiting ring is fixedly provided on one end of the metal ferrule located inside the limiting port. The limiting ring is in clearance fit with the limiting port and is also in contact with the connection port to limit its movement, thereby preventing the locking nut from falling off.

[0016] Preferably, the outer wall of the locking nut has several arc-shaped protrusions arranged in a circumferential array along the center of the locking nut and fixedly connected to the locking nut.

[0017] Preferably, the inner wall of the limiting opening is provided with internal threads.

[0018] Preferably, a connecting slot is provided between the limiting port and the main body for connection.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] The laser fiber optic output device of this invention comprises a ferrule assembly and a sleeve assembly. The metal ferrule end of the ferrule assembly has several layered output ports, and the sleeve assembly includes a bundled sleeve, a metal corrugated tube, and a branch sleeve. The metal ferrule and the bundled sleeve are detachably connected. In use, the several layered output ports at the end of the metal ferrule can be used to embed optical fibers adapted to the corresponding wavelengths into different layers of output ports according to the transmission requirements of different wavelength bands of laser. This layered layout breaks the limitation of the traditional uniform and dense arrangement of optical fiber bundles, enabling a single device to simultaneously carry multiple types of optical fibers and independently transmit lasers of corresponding wavelength bands through different layered output ports, thereby achieving synchronous transmission of multi-wavelength lasers. All structural components of the device are made of metal, with the metal ferrule, bundled sleeve, metal corrugated tube, and branch sleeve forming a continuous metal heat conduction path. The heat generated during fiber optic transmission can be rapidly conducted to the surface of metal components, increasing the contact area with air and accelerating heat dissipation. Simultaneously, the metal corrugated tube combines flexibility and thermal conductivity, neither hindering heat dissipation nor compromising the integrity of the heat dissipation channel due to structural rigidity. Furthermore, the layered output design creates physical spacing between the fibers, which, combined with the thermal insulation of the metal ferrule, effectively blocks the heat conduction path between different fibers, preventing the risk of cascading failure in the event of a single fiber malfunction. This solves the problems of current laser fiber optic bundles, such as single-band transmission, poor heat dissipation, and the risk of cascading failures due to the burning of a single fiber. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a laser fiber optic output device as described in an embodiment of this utility model;

[0022] Figure 2 This is an exploded structural diagram of a laser fiber output device described in an embodiment of this utility model;

[0023] Figure 3 This is a partially enlarged structural diagram of the metal ferrule and layered output port described in this embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the metal ferrule described in the embodiments of this utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the locking nut described in the embodiment of this utility model;

[0026] Figure 6 This is a schematic diagram of the structure of the locking nut and metal insert described in the embodiments of this utility model;

[0027] Figure 7 This is an exploded structural diagram of the sleeve assembly described in the embodiments of this utility model;

[0028] Explanation of reference numerals in the attached figures:

[0029] 10-Plug assembly, 11-Sleeve assembly, 12-Cluster sleeve, 13-Metal bellows, 14-Branch sleeve, 15-Metal plug, 16-Locking nut, 17-Layered output port, 18-First connecting cavity, 19-Second connecting cavity, 20-Third connecting cavity, 21-Main body, 22-Plug-in part, 23-Threaded connection part, 24-Fourth connecting cavity, 25-Connecting port, 26-Restricting port, 27-Restricting ring, 28-Arc-shaped protrusion, 29-Internal thread, 30-Connecting slot. Detailed Implementation

[0030] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0031] Example:

[0032] like Figures 1 to 7 As shown, in order to solve the above problems, this embodiment discloses a laser fiber output device, including a ferrule assembly 10 and a sleeve assembly 11, one end of the ferrule assembly 10 being detachably connected to the sleeve assembly 11.

[0033] The sleeve assembly 11 includes a cluster sleeve 12, a metal bellows 13, and a branch sleeve 14. One end of the cluster sleeve 12 is fixedly connected to one end of the metal bellows 13, and the other end of the metal bellows 13 is fixedly connected to one end of the branch sleeve 14.

[0034] The insert assembly 10 includes a metal insert 15 and a locking nut 16. One end of the metal insert 15 is detachably connected to the other end of the bundled sleeve 12. The locking nut 16 is sleeved on the end of the metal insert 15 connected to the bundled sleeve 12 and is rotatably connected to the metal insert 15. The other end of the metal insert 15 passes through the locking nut 16 and extends outside the locking nut 16. The end of the metal insert 15 extending outside the locking nut 16 is provided with several layered output ports 17.

[0035] The laser fiber optic output device of this invention comprises a ferrule assembly 10 and a sleeve assembly 11. The metal ferrule 15 of the ferrule assembly 10 has several layered output ports 17 at its end. The sleeve assembly 11 includes a bundled sleeve 12, a metal corrugated tube 13, and a branch sleeve 14. The metal ferrule 15 and the bundled sleeve 12 are detachably connected. In use, the several layered output ports 17 at the end of the metal ferrule 15 can be used to embed optical fibers adapted to the corresponding wavelengths into different layers of output ports according to the transmission requirements of different wavelength band lasers. This layered layout breaks the limitation of the traditional uniform and dense arrangement of optical fiber bundles, enabling a single device to simultaneously carry multiple types of optical fibers and independently transmit lasers of corresponding wavelengths through different layered output ports 17, thereby achieving synchronous transmission of multi-wavelength lasers. All structural components of the device are made of metal, with the metal ferrule 15, bundled sleeve 12, metal corrugated tube 13, and branch sleeve 14 forming a continuous metal heat conduction path. The heat generated by the optical fiber during transmission can be quickly conducted to the surface of the metal components, increasing the contact area with the air to accelerate heat dissipation. Simultaneously, the metal corrugated tube 13 combines flexibility and thermal conductivity, neither hindering heat dissipation nor compromising the installation angle of the equipment through its shape changes, thus preventing structural rigidity from affecting the integrity of the heat dissipation channel. Furthermore, the layered output port 17 design creates physical spacing between the optical fibers, which, together with the thermal insulation effect of the metal ferrule 15, effectively blocks the heat conduction path between different optical fibers, preventing the risk of risk propagation in the event of a single fiber failure. This solves the problems of current laser fiber optic bundles, such as single-band transmission, poor heat dissipation, and the risk of cascading failures due to the burning of a single fiber.

[0036] The bundled sleeve 12, metal bellows 13, branch sleeve 14, metal ferrule 15, and locking nut 16 are all made of metal, which can be aluminum, 304 stainless steel, or copper. The fiber optic bundle and the layered output port 17 can be fixed together with glue.

[0037] To facilitate the path conduction of the optical fiber bundle, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the branch sleeve 14 is provided with a first connecting cavity 18 that passes through both ends of the branch sleeve 14.

[0038] As a further preferred embodiment, the metal bellows 13 is provided with a second connecting cavity 19 that extends through both ends of the metal bellows 13, and one end of the first connecting cavity 18 is connected to one end of the second connecting cavity 19.

[0039] As a further preferred embodiment, the bundle sleeve 12 is provided with a third connecting cavity 20 that extends through both ends of the bundle sleeve 12, and one end of the third connecting cavity 20 is connected to the other end of the second connecting cavity 19.

[0040] As a further preferred embodiment, the metal insert 15 includes a main body 21, an insertion portion 22, and a threaded connection portion 23. The insertion portion 22 is fixedly disposed at one end of the main body 21, and the threaded connection portion 23 is fixedly disposed at the other end of the main body 21. The threaded connection portion 23 is inserted into the other end of the third connecting cavity 20 and is detachably connected to the bundled sleeve 12 via threads. A fourth connecting cavity 24 is disposed within the main body 21 and the threaded connection portion 23. A plurality of layered output ports 17 are disposed within the insertion portion 22 and penetrate both ends of the insertion portion 22. One end of the plurality of layered output ports 17 is connected to one end of the fourth connecting cavity 24, and the other end of the fourth connecting cavity 24 is connected to the third connecting cavity 20.

[0041] The first connecting cavity 18 of the branch sleeve 14, the second connecting cavity 19 of the metal bellows 13, and the third connecting cavity 20 of the bundle sleeve 12 are sequentially connected to form a continuous channel penetrating both ends of the sleeve assembly 11. This channel connects with the fourth connecting cavity 24 of the metal ferrule 15 and the layered output port 17, forming a complete optical fiber accommodating and transmission path from the input end of the branch sleeve 14 to the output end of the layered output port 17, providing physical space for the orderly installation of multiple optical fibers.

[0042] The central axes of the first connecting cavity 18, the second connecting cavity 19, the third connecting cavity 20, and the fourth connecting cavity 24 are coaxially arranged. Multiple optical fibers converge in the first connecting cavity 18 of the branch sleeve 14, are transmitted through the second and third connecting cavities 20 to the bundle sleeve 12, and then converge into the fourth connecting cavity 24 of the metal ferrule 15, finally being precisely output through the layered output port 17. The coaxial design of the connecting cavities ensures the straightness of the optical fiber transmission path and reduces laser loss during transmission.

[0043] The threaded connection 23 of the metal ferrule 15 is inserted into the third connecting cavity 20 of the bundled sleeve 12, achieving a detachable and secure connection with the bundled sleeve 12 through the thread, which ensures the sealing and stability of the connection between the ferrule assembly 10 and the sleeve assembly 11. The connection design of the fourth connecting cavity 24 with the third connecting cavity 20 and the layered output ports 17 enables seamless docking of the optical fiber transmission path. Several layered output ports 17 in the insertion part 22 are connected to the fourth connecting cavity 24, which can distribute multiple optical fibers of different wavelengths entering from the fourth connecting cavity 24 to each output port according to a preset hierarchy, realizing the independent and orderly output of multi-band lasers.

[0044] To facilitate the installation and positioning of the locking nut 16, this embodiment is modified based on the above embodiment. The difference from the above embodiment is that the locking nut 16 has a connection port 25 at one end and a restriction port 26 at the other end. The connection port 25 and the restriction port 26 are connected. The end of the locking nut 16 with the connection port 25 is sleeved on the end of the main body 21 of the metal insert 15 with the threaded connection part 23 and is rotatably connected to the main body 21. The end of the main body 21 of the metal insert 15 with the insertion part 22 is located inside the restriction port 26 and the insertion part 22 extends to the outside of the locking nut 16.

[0045] As a further preferred embodiment, a limiting ring 27 is fixedly provided on one end of the main body 21 of the metal insert 15 located inside the limiting port 26. The limiting ring 27 is in clearance fit with the limiting port 26 and is also in cooperation with the connection port 25 to limit the movement, thereby preventing the locking nut 16 from falling off.

[0046] The connection port 25 of the locking nut 16 is fitted onto the end of the main body 21 near the threaded connection 23 in the metal insert 15 and is rotatably connected to it. The limiting port 26 encloses the end of the main body 21 near the insertion part 22. The limiting ring 27 on the main body 21 cooperates with the connection port 25 to prevent the locking nut 16 from falling off along the axial direction of the main body 21, thus achieving reliable installation of the locking nut 16.

[0047] As a further preferred embodiment, the outer wall of the locking nut 16 is provided with a plurality of arc-shaped protrusions 28, which are arranged in a circumferential array along the center of the locking nut 16 and are fixedly connected to the locking nut 16.

[0048] As a further preferred embodiment, the inner wall of the limiting opening 26 is provided with an internal thread 29.

[0049] As a further preferred embodiment, a connecting slot 30 for connection is provided between the limiting port 26 and the main body 21.

[0050] The several arc-shaped protrusions 28 on the outer side wall of the locking nut 16 effectively increase the friction between the hand and the locking nut 16, making it easier for the operator to rotate the locking nut 16 to achieve a stable connection with the interface; the internal thread 29 on the inner side wall of the limiting port 26 can be adapted to the connection requirements of external equipment, and the connecting slot 30 provides an adaptation space for the connection between the main body 21 and the limiting port 26.

[0051] Working principle of this utility model:

[0052] The laser fiber optic output device of this invention comprises a ferrule assembly 10 and a sleeve assembly 11. The metal ferrule 15 of the ferrule assembly 10 has several layered output ports 17 at its end. The sleeve assembly 11 includes a bundled sleeve 12, a metal corrugated tube 13, and a branch sleeve 14. The metal ferrule 15 and the bundled sleeve 12 are detachably connected. In use, the several layered output ports 17 at the end of the metal ferrule 15 can be used to embed optical fibers adapted to the corresponding wavelengths into different layers of output ports according to the transmission requirements of different wavelength band lasers. This layered layout breaks the limitation of the traditional uniform and dense arrangement of optical fiber bundles, enabling a single device to simultaneously carry multiple types of optical fibers and independently transmit lasers of corresponding wavelengths through different layered output ports 17, thereby achieving synchronous transmission of multi-wavelength lasers. All structural components of the device are made of metal, with the metal ferrule 15, bundled sleeve 12, metal corrugated tube 13, and branch sleeve 14 forming a continuous metal heat conduction path. The heat generated by the optical fiber during transmission can be quickly conducted to the surface of the metal components, increasing the contact area with the air to accelerate heat dissipation. Simultaneously, the metal corrugated tube 13 combines flexibility and thermal conductivity, neither hindering heat dissipation nor compromising the installation angle of the equipment through its shape changes, thus preventing structural rigidity from affecting the integrity of the heat dissipation channel. Furthermore, the layered output port 17 design creates physical spacing between the optical fibers, which, together with the thermal insulation effect of the metal ferrule 15, effectively blocks the heat conduction path between different optical fibers, preventing the risk of risk propagation in the event of a single optical fiber failure.

[0053] The embodiments described above merely illustrate specific implementations of this utility model, and while the descriptions are detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A laser fiber optic output device, characterized in that, It includes a ferrule assembly (10) and a sleeve assembly (11), one end of which is detachably connected to the sleeve assembly (11); The sleeve assembly (11) includes a cluster sleeve (12), a metal bellows (13) and a branch sleeve (14). One end of the cluster sleeve (12) is fixedly connected to one end of the metal bellows (13), and the other end of the metal bellows (13) is fixedly connected to one end of the branch sleeve (14). The ferrule assembly (10) includes a metal ferrule (15) and a locking nut (16). One end of the metal ferrule (15) is detachably connected to the other end of the bundle sleeve (12). The locking nut (16) is sleeved on the end of the metal ferrule (15) connected to the bundle sleeve (12) and is rotatably connected to the metal ferrule (15). The other end of the metal ferrule (15) passes through the locking nut (16) and extends outside the locking nut (16). The end of the metal ferrule (15) extending outside the locking nut (16) is provided with several layered output ports (17).

2. The laser fiber optic output device according to claim 1, characterized in that, The branch sleeve (14) is provided with a first connecting cavity (18) that runs through both ends of the branch sleeve (14).

3. The laser fiber optic output device according to claim 2, characterized in that, The metal bellows (13) has a second connecting cavity (19) that runs through both ends of the metal bellows (13), and one end of the first connecting cavity (18) is connected to one end of the second connecting cavity (19).

4. A laser fiber optic output device according to claim 3, characterized in that, The bundle sleeve (12) is provided with a third connecting cavity (20) that runs through both ends of the bundle sleeve (12), and one end of the third connecting cavity (20) is connected to the other end of the second connecting cavity (19).

5. A laser fiber optic output device according to claim 4, characterized in that, The metal insert (15) includes a main body (21), an insertion part (22) and a threaded connection part (23). The insertion part (22) is fixedly disposed at one end of the main body (21), and the threaded connection part (23) is fixedly disposed at the other end of the main body (21). The threaded connection part (23) is inserted into the other end of the third connecting cavity (20) and is detachably connected to the bundle sleeve (12) by threads. A fourth connecting cavity (24) is provided in the main body (21) and the threaded connection part (23). Several layered output ports (17) are disposed in the insertion part (22) and pass through both ends of the insertion part (22). One end of the several layered output ports (17) is connected to one end of the fourth connecting cavity (24), and the other end of the fourth connecting cavity (24) is connected to the third connecting cavity (20).

6. A laser fiber optic output device according to claim 5, characterized in that, The locking nut (16) has a connection port (25) at one end and a restriction port (26) at the other end. The connection port (25) and the restriction port (26) are connected. The end of the locking nut (16) with the connection port (25) is sleeved on the end of the main body (21) of the metal insert (15) with the threaded connection part (23) and is rotatably connected to the main body (21). The end of the main body (21) of the metal insert (15) with the insertion part (22) is located inside the restriction port (26) and the insertion part (22) extends to the outside of the locking nut (16).

7. A laser fiber optic output device according to claim 6, characterized in that, A limiting ring (27) is fixedly provided on one end of the main body (21) of the metal insert (15) located inside the limiting port (26). The limiting ring (27) is in clearance fit with the limiting port (26) and is in fit with the connecting port (25) to limit the movement, thereby preventing the locking nut (16) from falling off.

8. A laser fiber optic output device according to claim 7, characterized in that, The outer wall of the locking nut (16) is provided with several arc-shaped protrusions (28), which are arranged in a circular array along the center of the locking nut (16) and are fixedly connected to the locking nut (16).

9. A laser fiber optic output device according to claim 8, characterized in that, The inner wall of the limiting opening (26) is provided with an internal thread (29).

10. A laser fiber optic output device according to claim 9, characterized in that, A connection slot (30) for connection is provided between the limiting port (26) and the main body (21).

Images