CN219026491U - Alignment lock pin welding jig - Google Patents

Abstract

The application provides a collimation lock pin welding jig for welding collimation lock pin and base member includes: the welding assembly, the fixing base and the laser. The welding assembly is used for welding the alignment insert core and the base body, the welding assembly is provided with a mounting part, and the alignment insert core is connected with the mounting part; the base body is fixed on the fixed seat, and the fixed seat is provided with a total reflection lens; the laser is arranged opposite to the fixing seat, when the collimation lock pin is coupled with the base body, the laser emits light rays towards the collimation lock pin, the light rays sequentially penetrate through the collimation lock pin and the base body, and then the light rays are reflected by the total reflection lens and sequentially penetrate through the base body and the collimation lock pin. The alignment lock pin welding jig can enable the processed alignment lock pin and the substrate to have larger optical coupling efficiency.

Description

Alignment lock pin welding jig

Technical Field

The application relates to the field of product jigs, in particular to a collimating ferrule welding jig.

Background

The alignment pins typically need to be welded to the substrate. In the existing scheme, the ferrule end cylinder is directly placed into a round hole on a base body to be fixed and then welded, and because each base body and each ferrule have machining tolerance in the machining process, the lens position of the ferrule center and the lens in the base body are not on the same central line, the optical coupling efficiency between each produced product collimation ferrule and the base body is inconsistent, and high-efficiency utilization cannot be realized.

Disclosure of Invention

The embodiment of the application provides a collimating ferrule welding jig for improving the technical problems.

The embodiment of the application provides a collimation lock pin welding jig for welding collimation lock pin and base member includes: the welding assembly is used for welding the alignment insert core and the base body, the welding assembly is provided with a mounting part, and the alignment insert core is connected to the mounting part; the base body is fixed on the fixed seat, and the fixed seat is provided with a total reflection lens; the laser is arranged opposite to the fixing seat, when the collimation lock pin is coupled with the base body, the laser emits light rays towards the collimation lock pin, the light rays sequentially penetrate through the collimation lock pin and the base body, and then the light rays are reflected by the total reflection lens and sequentially penetrate through the base body and the collimation lock pin.

In some embodiments, the collimating ferrule further comprises a frame, an included angle alpha is formed between the mounting axis of the laser and the light emergent direction of the laser, and the fixing seat is rotatably arranged on the frame, so that the axis of the collimating ferrule can be parallel to the light emergent direction of the laser.

In some embodiments, the total reflection mirror is disposed perpendicularly to the light emitting direction of the laser.

In some embodiments, the fixing base has a first mounting surface, the total reflection lens is disposed on the first mounting surface, and the total reflection lens is attached to the first mounting surface.

In some embodiments, the base has a second mounting surface thereon that abuts the first mounting surface.

In some embodiments, an adjusting portion is disposed on the fixing base, and the adjusting portion is in transmission connection with the fixing base to drive the fixing base to rotate relative to the frame.

In some embodiments, the adjustment portion is a knob disposed on the rotational axis of the fixed seat.

In some embodiments, the angle α between the collimating ferrule and the light rays emitted by the laser is 2 degrees.

In some embodiments, the welding assembly is movable relative to the mount to adjust the relative position of the alignment insert and the base.

In some embodiments, the welding assembly includes a welding gun disposed proximate the mounting portion.

The alignment lock pin welding jig that this application provided has following advantage:

according to the collimating ferrule welding jig, light rays are incident into the collimating ferrule through the laser, after passing through the collimating ferrule and the matrix, the light rays are reflected on the total reflection lens and exit from the collimating ferrule along an incident path, and when the optical coupling efficiency between the collimating ferrule and the matrix is maximum, the light emitted from the collimating ferrule is maximum, the maximum position of the emitted light can be obtained by adjusting the position between the collimating ferrule and the matrix, the collimating ferrule and the matrix are welded together by utilizing the welding assembly, and then the processed collimating ferrule and the matrix have larger optical coupling efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a collimating ferrule soldering fixture and a collimating ferrule and a base body;

fig. 2 is a schematic structural diagram of the alignment ferrule welding fixture and alignment ferrule and substrate proposed in the present application.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, based on the embodiments herein, which are within the scope of the protection of the present application, will be within the skill of the art without undue effort.

In this application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically indicated or defined. For example, the connection can be fixed connection, detachable connection or integral connection; can be mechanically or electrically connected; the connection may be direct, indirect, or internal, or may be surface contact only, or may be surface contact via an intermediate medium. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for understanding as a specific or particular structure. The description of the terms "some embodiments," "other embodiments," and the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this application, the schematic representations of the above terms are not necessarily for the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described herein, as well as features of various embodiments or examples, may be combined and combined by those skilled in the art without conflict.

The collimating lock pin is an optical component commonly used in the optical field, a lens is generally arranged in the collimating lock pin, when the emergent light of the laser enters the collimating lock pin, the laser is limited by the existing processing precision or specific requirements, a certain angle is generally formed between the laser and the central axis direction of the lens in the collimating lock pin, namely the laser does not enter the collimating lock pin in a vertical mode, and in the process of welding the collimating lock pin, the optical coupling efficiency between the collimating lock pin and the base body is inconvenient to adjust by directly observing the emergent light from the base body. Therefore, the application proposes a collimating ferrule welding jig for improving the above-mentioned problems.

The application provides a collimation lock pin welding jig 1 for welding collimation lock pin 2 and base member 3 include: a welding assembly 10, a holder 20 and a laser 30. Wherein the welding assembly 10 is used for fixing the alignment pin 2 and welding, the fixing base 20 is used for fixing the base 3 and reflecting light, and the laser 30 is used for entering the light into the alignment pin 2. Since the light emitting directions of the different lasers 30 are different, in this embodiment, the collimating ferrule welding fixture 1 may further include a frame 40, and the fixing base 20 may be rotatably disposed on the frame 40, so that the axis of the collimating ferrule 2 may be parallel to the light (as indicated by the arrow direction in fig. 1) emitted by the lasers 30.

In some embodiments, a mounting portion 11 is provided on the welding assembly 10, and the alignment ferrule 2 is connected to the mounting portion 11. Illustratively, the mounting portion 11 may be a threaded structure and be screwed with the alignment pin 2, and in other embodiments, the mounting portion 11 may be another structure that mates with the alignment pin 2, which is not limited herein. The mounting portion 11 is used to connect and fix the alignment ferrule 2. In this embodiment, the whole of the welding assembly 10 is movable relative to the fixing base 20 to adjust the relative position between the alignment pin 2 and the base 3, so as to adjust the alignment pin 2 and make it in the best coupling position with the base 3. In some embodiments, the welding assembly 10 may further include a welding gun 12, where the welding gun 12 may be disposed near the mounting portion 11 to align the connection between the in-line ferrule 2 and the base 3 for welding when the in-line ferrule 2 and the base 3 are in the optimal coupling position.

The holder 20 is used to adjust the relative angle between the laser 30 and the collimating ferrule 11. Illustratively, the fixing base 20 has a first mounting surface 21, the base 3 has a second mounting surface 31 thereon, and the second mounting surface 31 abuts against the first mounting surface 21, so that the axial direction of the base 3 may be substantially perpendicular to the first mounting surface 21. A total reflection lens 22 is also provided on the fixing base 20 for reflecting light. For example, in the present embodiment, the total reflection mirror 22 may be attached to the first mounting surface 21 and disposed perpendicular to the light emitting direction of the laser 30 (as indicated by the arrow direction in fig. 1), so that the light passing through the substrate 3 can be vertically incident on the total reflection mirror 22. In other embodiments, the total reflection lens 22 may be disposed at other positions that can reflect light, which is not limited herein.

In order to accommodate the lasers 30 of different light exit angles, there may be an inconvenient problem in rotating the holder 20. Therefore, in some embodiments, an adjusting portion 23 may be further disposed on the fixing base, and the adjusting portion 23 may be in driving connection with the fixing base 20 to drive the fixing base 20 to rotate relative to the frame 40, so as to adapt to the lasers 30 with different light emitting angles. The angle α is formed between the mounting axis of the laser 30 and the light emitting direction of the laser 30 (as shown by the arrow direction in fig. 1), and as an embodiment, the angle α between the mounting axis of the laser 30 and the light emitting direction of the laser 30 is 2 °, and in other embodiments, the angle α may be other angles, which is not limited herein. The adjusting portion 23 may be a knob 231 disposed on the rotation axis of the fixing base 20, and the fixing base 20 may be rotated by rotating the knob 231 such that the total reflection lens disposed on the fixing base 20 is perpendicular to the light emitting direction of the laser 30. In other embodiments, the adjusting portion 23 may be other driving structures, such as a gear, etc., which is not limited herein.

The application provides a use principle of collimation lock pin welding jig 1 as follows:

the application provides a collimation lock pin welding jig 1, when using, with the fixed installation department 11 that sets up on welding set 10 of collimation lock pin 2, and with the base member 3 that needs with collimation lock pin 2 welded set up on fixing base 20, adjust fixing base 20's position through turning knob 231, can make the light-emitting direction of laser 30 be roughly parallel with the installation axis direction of collimation lock pin 2, when collimation lock pin 2 and base member 3 coupling, laser 30 sends light towards collimation lock pin 2, light runs through collimation lock pin 2 and base member 3 in proper order, later by total reflection lens 22 reflection, and run through base member 3 and collimation lock pin 2 in proper order again (as shown by the arrow in fig. 2), because when the light coupling efficiency is the biggest between collimation lock pin 2 and base member 3, the biggest position of emergent light can be obtained through adjusting the position between collimation lock pin 2 and the base member 3, and utilize welder 23 to weld collimation lock pin 2 and base member 3 together. The alignment ferrule welding jig 1 provided by the application can enable the processed alignment ferrule 2 and the substrate 3 to have larger optical coupling efficiency.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present application, and are intended to be included within the scope of the present application.

Claims (10)

1. The utility model provides a collimation lock pin welding jig for welding collimation lock pin and base member, its characterized in that includes:

the welding assembly is used for welding the alignment insert core and the base body, an installation part is arranged on the welding assembly, and the alignment insert core is connected to the installation part;

the base body is fixed on the fixed seat, and the fixed seat is provided with a total reflection lens; and

the laser device is arranged opposite to the fixing seat, when the collimation lock pin is coupled with the base body, the laser device emits light rays towards the collimation lock pin, the light rays sequentially penetrate through the collimation lock pin and the base body, then the light rays are reflected by the total reflection lens and sequentially penetrate through the base body and the collimation lock pin again.

2. The alignment ferrule welding jig of claim 1, further comprising a frame, wherein an included angle α is formed between an installation axis of the laser and a light emitting direction of the laser, and the fixing base is rotatably disposed on the frame, so that an axis of the alignment ferrule can be parallel to the light emitting direction of the laser.

3. The alignment jig of claim 2, wherein the total reflection lens is disposed perpendicularly to the light emitting direction of the laser.

4. The alignment jig of claim 2, wherein the fixing base has a first mounting surface, the total reflection lens is disposed on the first mounting surface, and the total reflection lens is attached to the first mounting surface.

5. The alignment ferrule soldering fixture of claim 4, wherein the base has a second mounting surface thereon that abuts the first mounting surface.

6. The alignment jig of claim 2, wherein the fixing base is provided with an adjusting portion, and the adjusting portion is in transmission connection with the fixing base to drive the fixing base to rotate relative to the frame.

7. The alignment jig of claim 6, wherein the adjustment portion is a knob disposed on the rotational axis of the fixing base.

8. The alignment ferrule welding jig of claim 2, wherein the angle α between the mounting axis of the laser and the light exit direction of the laser is 2 °.

9. The alignment ferrule welding jig of claim 1, wherein the welding assembly is movable relative to the mount to adjust the relative position of the alignment ferrule and the base.

10. The alignment ferrule welding jig of claim 9, wherein the welding assembly comprises a welding gun disposed proximate the mounting portion.

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