CN218874036U

CN218874036U - Optical fiber soldering device

Info

Publication number: CN218874036U
Application number: CN202223108773.0U
Authority: CN
Inventors: 黄维
Original assignee: Wuhan Chuxing Optical Fiber Application Technologies Co ltd
Current assignee: Wuhan Chuxing Optical Fiber Application Technologies Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-18
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to the technical field of optical fiber equipment, in particular to an optical fiber soldering device; the tin soldering device comprises a heating furnace, a positioning mechanism and optical fiber clamping pieces, wherein the optical fiber clamping pieces are arranged on two sides of the heating furnace and used for fixing optical fibers, one of the optical fiber clamping pieces can linearly move along the direction of the optical fibers, a clamping assembly used for fixing a machined part is arranged on the heating furnace, the positioning mechanism comprises a positioning seat and a driving seat, the positioning seat is a three-dimensional translation table which linearly moves in the X-axis direction, the Y-axis direction and the Z-axis direction, and the heating furnace is arranged on the positioning seat. The utility model has simple structure and convenient operation, fixes the optical fiber through the optical fiber clamping piece, and the clamping component of the clamping workpiece is attached to the heating furnace, thereby improving the heat conduction of the heating furnace and the soldering efficiency while the clamping is reliable; the heating furnace adopts a heating rod heat conduction mode, can regulate and control the heating rate, ensures stable temperature rise and improves the soldering quality.

Description

Optical fiber soldering device

Technical Field

The utility model relates to an optical fiber equipment technical field especially relates to an optic fibre soldering device.

Background

The fiber grating sensing technology is an important branch in the field of fiber sensors, and is very suitable for the field of detection of parameters such as pressure, temperature and the like in a strong electromagnetic interference environment due to the characteristics of simple structure, high detection precision, quick response, oil stain resistance, electromagnetic interference resistance and the like.

In the preparation of grating sensor, in order to avoid the inhomogeneous problem of atress when the direct laser welding of metallized fiber, can be fixed with kovar pipe earlier with metallized fiber, then weld kovar pipe and metal base. The metalized optical fiber and the Kovar tube can be fixed by adopting tin soldering, the existing tin soldering device has the problem of unreliable clamping in the clamping of the optical fiber and the Kovar tube, the relaxation degree of the optical fiber cannot be adjusted, the alignment difficulty of the Kovar tube and the optical fiber is high, and the tin soldering efficiency is low. Therefore, there is a need for an optical fiber soldering apparatus to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an optic fibre soldering device, include heating furnace, positioning mechanism and be located the optic fibre holder that is used for fixed optic fibre of heating furnace both sides, one of them optic fibre direction rectilinear movement can be followed to the optic fibre holder, be provided with the centre gripping subassembly that is used for fixed machined part on the heating furnace, positioning mechanism includes positioning seat, drive the positioning seat is at X axle direction, Y axle direction and Z axle direction rectilinear motion's three-dimensional translation platform, the heating furnace sets up on the positioning seat.

Furthermore, the optical fiber clamping piece comprises a base and an upper cover, one end of the base is hinged to one end of the upper cover, the other end of the base is connected with the upper cover in a magnetic attraction mode, an accommodating piece for accommodating the optical fiber is arranged on the base, and a pressing strip capable of covering the accommodating piece is arranged on the upper cover.

Furthermore, a V-shaped accommodating groove is formed in the accommodating piece.

Furthermore, the bottom of one of the optical fiber clamping pieces is provided with a fine adjustment mechanism for driving the optical fiber clamping piece to linearly move along the optical fiber direction.

Furthermore, the upper end of heating furnace is L type structure, be provided with at least one on the platform of L type structure the centre gripping subassembly, the centre gripping subassembly includes movable block and spring, the spring sets up the movable block with between the lateral wall of L type structure.

Further, a groove for accommodating a workpiece is formed in one side, facing the movable block, of the side wall of the L-shaped structure.

Furthermore, the three-dimensional translation stage comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the Y-axis driving mechanism is arranged on the X-axis driving mechanism, the Z-axis driving mechanism is arranged on the Y-axis driving mechanism, and the Z-axis driving mechanism is provided with the positioning seat.

Further, a microscope is arranged above the heating furnace and connected with a support.

Further, the support includes stand and horizon bar, the cover is equipped with the connecting piece on the stand, the one end setting of horizon bar is in on the connecting piece, other end rotatable coupling has the microscope.

Further, still include optical platform, be provided with on the optical platform three-dimensional translation platform with the optic fibre holder.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art, have following beneficial effect:

1) The optical fiber soldering device provided by the utility model has the advantages that the structure is simple, the operation is convenient, the optical fiber is fixed through the optical fiber clamping piece, the clamping component for clamping the workpiece is attached to the heating furnace, the heat conduction of the heating furnace can be improved while the clamping is reliable, and the soldering efficiency is improved; the heating furnace adopts a heating rod heat conduction mode, can regulate and control the heating rate, enables the temperature rise to be stable, and improves the soldering quality; the optical fiber clamping piece is provided with the pressing strip, so that the optical fiber can be fixed on the premise of not damaging the optical fiber, the upper cover and the base are connected in a magnetic attraction manner, and the operation is convenient;

2) The optical fiber soldering device provided by the utility model has the advantages that the clamping component for fixing the workpiece is arranged on the three-dimensional translation table, so that the welding position of the workpiece and the optical fiber can be effectively adjusted, and the welding requirement can be met;

3) The utility model provides an optic fibre soldering device, heating furnace top are provided with the microscope, and the microscope is rotatable, conveniently observes machined part and optic fibre welding quality, reduces the welding defective rate.

Drawings

Fig. 1 is a schematic structural diagram of an optical fiber soldering device of the present invention;

FIG. 2 is a schematic structural view of an optical fiber holder of the optical fiber soldering apparatus of the present invention;

FIG. 3 is a schematic view of the structure of the heating furnace in the optical fiber soldering apparatus of the present invention;

fig. 4 is a schematic structural diagram of a three-dimensional translation stage in the optical fiber soldering apparatus of the present invention.

1-an optical fiber; 2-processing the workpiece; 3, heating the furnace; 31-a heating power supply; 32-a groove; 4-a fiber holding member; 41-a base; 42-upper cover; 43-a magnet; 44-a receptacle; 45-pressing a strip; 5-a clamping assembly; 51-a movable block; 6-positioning seat; 7-a three-dimensional translation stage; 71-X axis drive mechanism; 72-Y axis drive mechanism; 73-Z axis drive mechanism; 74-a first fixed seat; 75-a second fixed seat; 76-a third fixed seat; 8-an optical bench; 9-fine adjustment mechanism; 10-a microscope; 11-upright post; 12-horizontal bar; 13-connecting piece.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention. In the drawings, the size and relative sizes of certain features may be exaggerated for clarity.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; the term "connected" refers to a connection between two elements or an interaction between two elements, and the term is used in the present invention to be understood as a specific meaning for those skilled in the art.

In the description of the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "center", "horizontal", "vertical", "top", "bottom", "inner", "outer", and the like are used in the orientation or positional relationship shown in the drawings, only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be considered as limiting the present invention.

Furthermore, in the description of the present invention, the terms "first" and "second" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

As the description figure 1 shows, the utility model provides an optic fibre soldering device, include heating furnace 3, positioning mechanism and be located the optic fibre holder 4 that is used for fixed optic fibre 1 of 3 both sides of heating furnace, one of them optic fibre holder 4 can follow 1 direction rectilinear movement of optic fibre, be provided with the centre gripping subassembly 5 that is used for fixed machined part 2 on the heating furnace 3, positioning mechanism includes positioning seat 6, drive positioning seat 6 is at X axle direction, Y axle direction and Z axle direction rectilinear motion's three-dimensional translation platform 7, heating furnace 3 sets up on the positioning seat 6.

Specifically, the optic fibre soldering device of this application can be used to optic fibre and machined part soldering fixed, in this embodiment, the machined part is the kovar pipe of gilding, be provided with the groove that holds optic fibre on the kovar pipe, before the soldering, the middle part metallization of optic fibre is handled and is used for with the welding of kovar pipe, it is fixed on optic fibre holder with the both ends centre gripping of optic fibre, the kovar pipe passes through the centre gripping subassembly to be fixed on the heating furnace, adjust three-dimensional translation platform, move the kovar pipe to optic fibre welded position, the kovar pipe aligns with optic fibre soldering position, optic fibre falls in the inslot of kovar pipe, lay the solder in the inslot of kovar pipe, open the heating furnace, heat-conduction is to the kovar pipe, can be with optic fibre and kovar pipe welding.

According to the optimized implementation mode, the heating furnace 3 is connected with the heating power supply 31, the heating rod is arranged in the heating furnace 3, the heating speed can be adjusted after the setting parameters of the power supply are controlled, the stability of a heating curve is ensured, the clamping position of the Kovar tube is attached to the heating furnace 3, the heat conduction efficiency can be improved, and the soldering efficiency can be improved; preferably, a temperature sensor is arranged on the heating furnace and can be used for temperature detection and temperature regulation.

In one embodiment, the soldering apparatus further includes an optical platform 8, the three-dimensional translation stage 7, the optical fiber holder 4, the heating power source 31, and the like are disposed on the optical platform 8, and the optical fiber holder 4 is disposed on the optical platform 8 through a support, and in some embodiments, the optical platform 8 may be disposed according to actual requirements, or the optical platform 8 may not be disposed.

As one embodiment, as shown in fig. 2 of the specification, the structure of the optical fiber clamping member 4 is schematically illustrated, the optical fiber clamping member 4 includes a base 41 and an upper cover 42, one end of the base 41 is hinged to one end of the upper cover 42, the other end of the base 41 is magnetically connected to the other end of the upper cover 42, one of the base 41 and the upper cover 42 is provided with a magnet 43, the other one of the base 41 and the upper cover 42 is provided with an iron material at a position corresponding to the magnet 43, when the upper cover is covered, the magnet adsorbs the iron material to fix the upper cover and the base, the base 41 is provided with an accommodating member 44 for accommodating the optical fiber 1, and the upper cover 42 is provided with a pressing strip 45 capable of covering the accommodating member 44.

The embodiment of the invention is refined, the accommodating piece 44 is provided with a V-shaped accommodating groove, the optical fiber 1 can be arranged in the accommodating groove, the upper cover 42 is covered, the accommodating piece 44 is extruded by the pressing strip 45, the optical fiber 1 can be fixed, preferably, the pressing strip 45 is made of rubber or silica gel, has certain elasticity, does not damage the optical fiber when the optical fiber 1 is pressed, and the accommodating piece 44 is also made of rubber or silica gel, so that the optical fiber can be protected.

Specifically, in order to keep the optical fiber 1 flat, the optical fiber clamping pieces 4 on two sides of the heating furnace 3 are the same in height, and the accommodating grooves of the two optical fiber clamping pieces 4 are parallel and located on the same straight line, as shown in the attached drawing 3 of the specification, the optical fiber clamping piece 4 on the left side of the heating furnace 3 is fixedly installed on the optical platform 8 through a support, the support is arranged below the optical fiber clamping piece 4 on the right side of the heating furnace 3, the support base is provided with a fine adjustment mechanism 9, the fine adjustment mechanism 9 can drive the optical fiber clamping piece 4 on the right side to linearly move along the optical fiber direction, the distance between the two optical fiber clamping pieces 4 is adjusted, the relaxation degree of the optical fiber 1 is further adjusted, and the phenomenon that the optical fiber is too tight or too loose and the welding effect is affected is avoided; the fine adjustment mechanism 9 can be a hydraulic cylinder, a screw rod, an electric linear module and other conventional linear motion structures.

As one of the implementation manners, the upper end portion of the heating furnace 3 is an L-shaped structure, at least one of the clamping assemblies 5 is arranged on a platform of the L-shaped structure, each clamping assembly 5 comprises a movable block 51 and a spring (the spring is not shown in the drawing), the springs are arranged between the movable block 51 and the side wall of the L-shaped structure, under the action of the springs, the kovar tube can be clamped between the movable block 51 and the side wall of the L-shaped structure, the movable block 51 is stretched outwards, the kovar tube can be taken down, the implementation manner is optimized, one side, facing the movable block 51, of the side wall of the L-shaped structure is provided with a groove 32 for accommodating the kovar tube, the groove 32 is of an L shape, the kovar tube is placed on the groove 32, the outer side of the kovar tube is fixed under the extrusion of the movable block 51, the clamping position of the kovar tube is attached to the heating furnace, on the premise that the clamping is reliable, the heat conduction can be effectively performed, and the soldering efficiency is improved.

As an embodiment, as shown in fig. 4 of the specification, the three-dimensional translation stage 7 is a schematic structural diagram of the three-dimensional translation stage 7, where the three-dimensional translation stage 7 includes an X-axis driving mechanism 71, a Y-axis driving mechanism 72, and a Z-axis driving mechanism 73, specifically, the X-axis driving mechanism 71 is mounted on the optical platform 8 through a first fixing seat 74, the Y-axis driving mechanism 72 is mounted on a second fixing seat 75, the Z-axis driving mechanism 73 is mounted on a third fixing seat 76, the second fixing seat 75 is movably connected to the X-axis driving mechanism 71, the X-axis driving mechanism 71 can drive the second fixing seat 75 to move linearly in the X-axis direction, the third fixing seat 76 is disposed on the Y-axis driving mechanism 72, the Y-axis driving mechanism 72 is movably connected to the second fixing seat 75, the Y-axis driving mechanism 72 can drive the third fixing seat 76 to move linearly in the Y-axis direction, the Z-axis driving mechanism 73 is movably connected to the third fixing seat 76, the Z-axis driving mechanism 73 is disposed on the positioning seat 6,Z and further can drive the positioning seat 6 to move linearly in the Z-axis direction, so as to move the heating furnace along the X-axis direction and to move linearly in the X-axis direction; the X-axis driving mechanism, the Y-axis driving mechanism and the Z-axis driving mechanism can be conventional linear motion structures such as a hydraulic cylinder, a screw rod, an electric linear module and the like.

In one embodiment, a microscope 10 is disposed above the heating furnace 3, a holder is connected to the microscope 10, and the microscope 10 is used to observe the welding state of the welding position of the kovar tube and the optical fiber.

Refine the embodiment, the support includes stand 11 and horizon bar 12, the cover is equipped with connecting piece 13 on the stand 11, the one end setting of horizon bar 12 is in on the connecting piece 13, other end rotatable coupling has microscope 10, the height-adjustable of connecting piece on the stand, and then can adjust the height between microscope and the welding area, the rotatable setting of microscope is on the horizon bar, and the welding quality is observed to the multi-angle of being convenient for.

And those not described in detail in this specification are well within the skill of the art.

To sum up, the utility model provides an optic fibre soldering device, simple structure, the setting of kovar pipe direct laminating heating furnace can improve heat conduction efficiency, and the heating furnace both ends are provided with the optic fibre holder that can fix optic fibre, and the optic fibre holder of one end is portable, in fixed optic fibre, can be used to adjust the relaxation degree of optic fibre, guarantees the welding quality of kovar pipe and optic fibre.

It will be appreciated by those skilled in the art that the invention can be embodied in many other specific forms without departing from the spirit or scope of the invention. Although the embodiments of the present invention have been described, it is to be understood that the present invention should not be limited to such embodiments, and that changes and modifications can be made by one skilled in the art within the spirit and scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides an optic fibre soldering device, its characterized in that includes heating furnace, positioning mechanism and is located the optic fibre holder that is used for fixed optic fibre of heating furnace both sides, one of them optic fibre holder can follow optic fibre direction rectilinear movement, be provided with the centre gripping subassembly that is used for fixed machined part on the heating furnace, positioning mechanism includes the positioning seat, drives the three-dimensional translation platform of positioning seat at X axle direction, Y axle direction and Z axle direction rectilinear motion, the heating furnace sets up on the positioning seat.

2. The optical fiber soldering device according to claim 1, wherein the optical fiber holder comprises a base and an upper cover, one end of the base is hinged to one end of the upper cover, the other end of the base is magnetically connected to the upper cover, the base is provided with a holding member for holding the optical fiber, and the upper cover is provided with a pressing strip capable of covering the holding member.

3. The optical fiber soldering apparatus according to claim 2, wherein the receiving member is provided with a V-shaped receiving groove.

4. An optical fiber soldering apparatus according to claim 1, wherein a bottom of one of the fiber holding members is provided with a fine adjustment mechanism for driving the fiber holding member to move linearly in a direction of the optical fiber.

5. The fiber optic soldering device according to claim 1, wherein the upper end of the heating furnace is of an L-shaped structure, at least one of the clamping assemblies is arranged on a platform of the L-shaped structure, the clamping assembly comprises a movable block and a spring, and the spring is arranged between the movable block and a side wall of the L-shaped structure.

6. The fiber optic soldering device according to claim 5, wherein a side of the side wall of the L-shaped structure facing the movable block is provided with a groove for receiving a machined part.

7. The fiber optic soldering device of claim 1, wherein the three-dimensional translation stage comprises an X-axis driving mechanism, a Y-axis driving mechanism and a Z-axis driving mechanism, the Y-axis driving mechanism is arranged on the X-axis driving mechanism, the Z-axis driving mechanism is arranged on the Y-axis driving mechanism, and the positioning seat is arranged on the Z-axis driving mechanism.

8. The fiber optic soldering apparatus according to claim 1, wherein a microscope is disposed above the heating furnace, and a holder is attached to the microscope.

9. The optical fiber soldering device according to claim 8, wherein the bracket comprises an upright post and a horizontal rod, the upright post is sleeved with a connecting piece, one end of the horizontal rod is arranged on the connecting piece, and the other end of the horizontal rod is rotatably connected with the microscope.

10. The fiber optic soldering device of claim 1, further comprising an optical platform on which the three-dimensional translation stage and the fiber holder are disposed.