A kind of optical module Lens baking and clamping device

Abstract

The utility model discloses a light module lens baking clamping device, which relates to the field of optical communication technology, including an upper cover, a positioning plate and a base arranged in sequence from top to bottom, a locking structure capable of locking the upper cover, the positioning plate and the base; a plurality of abutment columns are fixedly arranged at the bottom of the upper cover, and a first positioning hole is provided at the bottom of the upper cover; a first positioning pin is provided at the top of the positioning plate corresponding to the first positioning hole, a plurality of limiting holes capable of placing lenses are provided on the positioning plate corresponding to each abutment column, and a second positioning pin is provided at the bottom of the positioning plate; a second positioning hole is provided at the top of the base corresponding to the second positioning pin, a plurality of pigtailed fiber ferrules are provided at the top of the base corresponding to each limiting hole, and the abutment columns and the pigtailed fiber ferrules can respectively abut against the upper and lower ends of the lens. The light module lens baking clamping device provided by the utility model can limit the lens to prevent the ferrule position from deviating.

Description

Technical Field

[0001] The utility model relates to the technical field of optical communication, in particular to a baking and clamping device for an optical module Lens. Background Art

[0002] After the optical module lens ferrule is assembled, a baking process is required to solidify the glue. The traditional baking process is to directly send the lens into the oven for baking. There is a lack of tooling structure to limit the ferrule. Therefore, during the baking process, the glue expands due to heat, which can easily cause the ferrule position to deviate, causing abnormal lens performance. Utility Model Content

[0003] The utility model aims to provide a light module Lens baking and clamping device to solve the problems existing in the above-mentioned prior art, and can limit the position of the Lens to avoid deviation of the ferrule position.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a light module Lens baking and clamping device, comprising an upper cover, a positioning plate and a base arranged in sequence from top to bottom, and a locking structure capable of locking the upper cover, the positioning plate and the base;

[0006] A plurality of abutment columns are fixedly arranged at the bottom of the upper cover, and a first positioning hole is opened at the bottom of the upper cover;

[0007] A first positioning pin is provided on the top of the positioning plate corresponding to the first positioning hole, a plurality of limiting holes capable of placing lenses are provided on the positioning plate corresponding to each of the abutting columns, and a second positioning pin is provided on the bottom of the positioning plate;

[0008] A second positioning hole is provided at the top of the base corresponding to the second positioning pin, and a plurality of fiber optic pigtails are provided at the top of the base corresponding to each of the limiting holes. The abutting column and the fiber optic pigtails can abut against the upper and lower ends of the Lens respectively.

[0009] Preferably, the locking structure is a bolt, and the end of the bolt without a nut can pass through the base, the positioning plate and the upper cover in sequence and be tightened in the upper cover.

[0010] Preferably, the shape of the inner wall of the limiting hole is compatible with the shape of the lens.

[0011] Preferably, the abutment column is a spring plunger.

[0012] Preferably, the pigtailed fiber ferrule is made of ceramic material.

[0013] Compared with the prior art, the utility model has achieved the following technical effects:

[0014] The optical module lens baking and clamping device provided by the utility model can place the lens in the limiting hole, and can limit the lens by cooperating with the abutment column and the fiber ferrule with pigtail, so as to avoid the deviation of the ferrule position during the baking process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 An exploded view of the optical module Lens baking and clamping device provided by the utility model;

[0017] In the figure: 1-upper cover; 11-first positioning hole; 12-spring plunger; 2-positioning plate; 21-first positioning pin; 22-limiting hole; 23-second positioning pin; 3-base; 31-second positioning hole; 32-pigtail ferrule; 4-bolt. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] The utility model aims to provide a light module Lens baking and clamping device to solve the problems existing in the prior art and to limit the position of the Lens to avoid deviation of the ferrule position.

[0020] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0021] The utility model provides a light module Lens baking clamping device, such as Figure 1As shown, in this embodiment, it includes an upper cover 1, a positioning plate 2 and a base 3 which are arranged in sequence from top to bottom, and a locking structure can lock the positions of the upper cover 1, the positioning plate 2 and the base 3; a plurality of abutment columns are fixedly arranged at the bottom of the upper cover 1, and a first positioning hole 11 is opened at the bottom of the upper cover 1; a first positioning pin 21 is arranged at the top of the positioning plate 2 corresponding to the first positioning hole 11, a plurality of limiting holes 22 for placing lenses are opened on the positioning plate 2 corresponding to each abutment column, and a second positioning pin 23 is arranged at the bottom of the positioning plate 2; a second positioning hole 31 is opened at the top of the base 3 corresponding to the second positioning pin 23, and a plurality of fiber optic pigtails 32 are arranged at the top of the base 3 corresponding to each limiting hole 22, and the abutment columns and the fiber optic pigtails 32 can abut against the upper and lower ends of the lens respectively.

[0022] The optical module Lens baking and clamping device provided by the utility model is preferably square in shape, the upper cover 1, the positioning plate 2 and the base 3 are preferably two, the first positioning pins 21 are preferably two, respectively arranged at the two diagonal positions of the top of the positioning plate 2, the second positioning pins 23 are preferably two, respectively arranged at the two diagonal positions of the bottom of the positioning plate 2, the first positioning pin 21 can be extended into the first positioning hole 11 to complete the positioning between the upper cover 1 and the positioning plate 2, so that the upper cover 1 is aligned with the positioning plate 2, the second positioning pin 23 can be extended into the second positioning hole 31 to complete the positioning between the positioning plate 2 and the base 3, so that the positioning plate 2 is aligned with the base 3, the concentricity between the spring plunger 12, the lens and the pigtailed fiber ferrule 32 is ensured, and the product yield is improved. After the upper cover 1, the positioning plate 2 and the base 3 are aligned, the spring plunger 12 can abut against the top of the lens, and the pigtailed fiber ferrule 32 can abut against the bottom of the lens, so as to complete the limiting of the lens.

[0023] In one of the embodiments, the locking structure is a bolt 4, and the end of the bolt 4 without a nut can pass through the base 3, the positioning plate 2 and the upper cover 1 in sequence and be tightened in the upper cover 1, so that the upper cover 1, the positioning plate 2 and the base 3 are locked into a whole to prevent the lens from loosening during baking. After the assembly is completed, the clamping device is sent into the oven as a whole for baking. After the product is baked, the bolt 4 can be loosened to unload the product, which is convenient to operate.

[0024] In one of the embodiments, the inner wall shape of the limiting hole 22 is adapted to the shape of the lens, so that the lens has a single placement direction in the limiting hole 22, and the lens can be neatly placed in the positioning plate 2, ensuring concentricity while avoiding incorrect placement of the lens.

[0025] In one embodiment, the abutment column is a spring plunger 12, which is retractable and can ensure that lenses of different heights can be limited. Therefore, the requirements for product and feeding height consistency are not high, it can be flexibly adapted, and has a wide range of applications.

[0026] The pigtail ferrule 32 is mainly used for contact and positioning with the lens ferrule. In order to ensure the positioning of the pigtail ferrule 32 and avoid the pigtail ferrule 32 from being broken due to assembly, the pigtail ferrule 32 is made of ceramic material, which is the same as the lens ferrule material.

[0027] The optical module Lens baking and clamping device provided by the utility model has a simple structure. The upper cover 1, the base 3, the positioning plate 2 and the positioning pin are non-standard parts, and the size can be freely set according to needs. The pigtail ferrule 32 and the spring plunger 12 are standard parts, which are cheap and easy to maintain.

[0028] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A light module Lens baking and clamping device, characterized in that: include: An upper cover, a positioning plate and a base are arranged in sequence from top to bottom, and a locking structure can lock the positions of the upper cover, the positioning plate and the base; A plurality of abutment columns are fixedly arranged at the bottom of the upper cover, and a first positioning hole is opened at the bottom of the upper cover; A first positioning pin is provided on the top of the positioning plate corresponding to the first positioning hole, a plurality of limiting holes capable of placing lenses are provided on the positioning plate corresponding to each of the abutting columns, and a second positioning pin is provided on the bottom of the positioning plate; A second positioning hole is provided at the top of the base corresponding to the second positioning pin, and a plurality of fiber optic pigtails are provided at the top of the base corresponding to each of the limiting holes. The abutting column and the fiber optic pigtails can abut against the upper and lower ends of the Lens respectively.

2. The optical module Lens baking and clamping device according to claim 1, characterized in that: The locking structure is a bolt, and the end of the bolt without a nut can pass through the base, the positioning plate and the upper cover in sequence and be tightened in the upper cover.

3. The optical module Lens baking and clamping device according to claim 1, characterized in that: The shape of the inner wall of the limiting hole is adapted to the shape of the lens.

4. The optical module Lens baking and clamping device according to claim 1, characterized in that: The abutment column is a spring plunger.

5. The optical module Lens baking and clamping device according to claim 1, characterized in that: The pigtailed fiber ferrule is made of ceramic material.

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