CN211375135U

CN211375135U - Ceramic ferrule and optical fiber curing device

Info

Publication number: CN211375135U
Application number: CN202020133208.1U
Authority: CN
Inventors: 柴葱绿; 宋自立; 候辉; 陈周
Original assignee: Ningbo Rontaray Photoelectric Science & Technology Co ltd
Current assignee: Ningbo Rontaray Photoelectric Science & Technology Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-08-28
Anticipated expiration: 2030-01-20

Abstract

The utility model relates to a curing device for ceramic ferrule and optical fiber, which comprises a base, a heating plate and a supporting plate, wherein the heating plate is longitudinally arranged on the base and is provided with an assembly groove group, the supporting plate is arranged at one side of the heating plate along the opening direction of each assembly groove in the assembly groove group, the heating plate can heat the whole connector shell fixed in the assembly groove after the fiber core of the optical fiber is inserted into the inner hole of the ceramic ferrule, so that the ceramic ferrule in the connector shell is connected with the fiber core, thereby ensuring the fixed connection between the optical fiber and the connector shell, one side of the heating plate is provided with the supporting plate which is obliquely arranged towards the heating plate, not only can provide good support for the wiring harness at the tail part of the optical fiber, but also can ensure that the glue in the inner hole of the ceramic ferrule can not flow back, and the glue is concentrated at the bottom of the inner hole of the ceramic ferrule under the action of, the connection strength between the cured ferrule adapter and the fiber optic connector housing is ensured.

Description

Ceramic ferrule and optical fiber curing device

Technical Field

The utility model relates to a pottery lock pin processing field especially relates to a solidification equipment of pottery lock pin and optic fibre.

Background

The ceramic inserting core is a cylinder precisely centered in the optical fiber connector plug, and a micropore is arranged in the center of the ceramic inserting core and used for fixing an optical fiber. Various performance indexes of the ceramic ferrule directly or indirectly influence the insertion loss and the callback loss of the optical fiber connector. After the ferrule and the optical fiber are fixed, the ferrule joint needs to be fixed on the housing of the optical fiber connector, and the conventional fixing method of the ferrule joint and the optical fiber connector is as follows: firstly, glue is adopted to bond the fiber cores of the ceramic ferrule and the optical fiber, then the ceramic ferrule is embedded in the connector shell, namely after the glue is smeared in the inner hole of the ceramic ferrule, the fiber core in the optical fiber is inserted into the hole of the ferrule after the glue is smeared, the glue in the inner hole of the ceramic ferrule is heated through a heating device, so that the glue is solidified, the ceramic ferrule and the fiber core are fixed, then the fixed ceramic ferrule is embedded in the embedding groove of the connector shell, and the front end of the optical fiber cable is fixed with the connector shell.

The existing connection mode has the following problems:

1. the glue is pre-coated into the inner hole of the ceramic ferrule, so that coating unevenness is easily caused, and once bubbles are generated at the joint between the inner hole of the ceramic ferrule and the fiber core, the joint strength is greatly reduced after curing;

2. in the curing process, the glue applied into the inner hole of the ceramic ferrule easily flows back, so that the glue at the joint is insufficient, and the connector is not firmly connected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a can effectively reduce bubble in the glue and glue can not the curing device of ceramic lock pin and optic fibre that flows back.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the device for curing the ferrule and the optical fiber comprises

A base;

the heating plate is longitudinally arranged on the base, and is provided with an assembly groove group which is provided with at least two transversely extending assembly grooves for fixing the optical fiber connector; and

and the supporting plate is used for supporting the optical fiber tail wiring harness and is arranged on one side of the heating plate along the opening direction of the assembling groove, one end of the supporting plate, which is close to the assembling groove, is lower than the other end of the supporting plate, which is far away from the assembling groove, so that the supporting plate is obliquely arranged towards the heating plate.

In order to ensure that the heating plate is more conveniently connected with the supporting plate and is not easy to fall off after connection, an embedded groove is formed in one side of the heating plate in the transverse extending direction, an inserting part matched with the embedded groove is convexly arranged on the end face of one end of the supporting plate, and the heating plate and the supporting plate are connected in an inserting and matching mode through the inserting part and the embedded groove.

In order to ensure that the optical fiber connector in the fitting groove always maintains a downward posture, it is preferable that the depth of the caulking groove is not more than the height of the insertion part.

In order to ensure the curing efficiency, preferably, there are two support plates, the two support plates extend in the same direction as the heating plate and are respectively arranged on two sides of the heating plate, and correspondingly, two sets of assembling groove groups are arranged on the heating plate and respectively correspond to the support plates.

In order to ensure that redundant glue cannot flow out, a through groove for receiving the glue is arranged between the two assembling groove groups, and a plurality of liquid storage grooves which are respectively arranged corresponding to the assembling grooves are formed in the through groove.

Furthermore, a plurality of partition plates for partitioning the through groove to form a liquid storage tank are arranged in the through groove, extend along the width direction of the through groove, and are arranged at intervals along the length direction of the through groove.

In order to further ensure that the entire support plate can be tilted towards the heating plate, the support plate is preferably provided with support feet projecting downwards away from the bottom of the heating plate.

Compared with the prior art, the utility model has the advantages of: in this solidification equipment of ceramic lock pin and optic fibre, the hot plate can insert behind the ceramic lock pin hole at the fibre core of optic fibre, heat the whole connector housing of fixing in the assembly groove, make the ceramic lock pin in the connector housing link together with the fibre core, thereby ensure the fixed connection of optic fibre and connector housing, one side at the hot plate is equipped with the backup pad of arranging towards the hot plate slope, can not only provide good support to the pencil of optic fibre afterbody, can also ensure to be located the downthehole glue of ceramic lock pin and can not flow back, and glue concentrates on the bottom of ceramic lock pin hole under the action of gravity, and the bubble rebound in the glue realizes discharging by oneself, the joint strength between pottery lock pin joint and the fiber connector shell after having ensured solidifying.

Drawings

Fig. 1 is a schematic view of the overall structure of a curing device in an embodiment of the present invention;

FIG. 2 is a schematic view of the overall structure of FIG. 1 from another angle;

FIG. 3 is a schematic view of the overall structure of the support frame and the heating plate in a non-inserted state;

fig. 4 is an enlarged schematic view of a portion a in fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, in the present embodiment, the device for curing the ferrule and the optical fiber comprises a base 1, a heating plate 2 and two supporting plates 3, wherein the heating plate 2 is longitudinally disposed on the base 1, the heating plate 2 is formed with at least two assembling grooves 21 extending transversely and used for fixing the housing of the optical fiber connector, the supporting plates 3 are used for supporting the wiring harness at the tail of the optical fiber, the supporting plates 3 are disposed on one side of the heating plate 2 along the opening direction of the assembling grooves 21, and the supporting plates 3 are disposed obliquely toward the heating plate 2, specifically, the number of the supporting plates 3 in the present embodiment is two, the two supporting plates 3 extend in the same direction as the heating plate 2 and are disposed on both sides of the heating plate 2, because one end of the two supporting plates 3 adjacent to the assembling grooves 21 is lower than the other end of the supporting plates 3 away from the assembling grooves 21, so that the two supporting plates 3 are disposed obliquely, the two support plates 3 have a substantially V-shaped longitudinal cross section after being connected to the heating plate 2, and support legs 32 are provided at the bottom of the support plates 3 away from the heating plate 2 in a downwardly protruding manner in order to ensure that the support plates 3 can be tilted toward the heating plate 2.

In this embodiment, two sets of assembling groove groups 20 are disposed on the heating plate 2, the assembling groove groups 20 are disposed corresponding to the supporting plate 3, each assembling groove group 20 includes at least two assembling grooves 21, each assembling groove 21 is disposed at intervals along the longitudinal direction of the heating plate 2, a through groove 22 for receiving glue is disposed between the two sets of assembling groove groups 20, and a plurality of liquid storage grooves 22a are disposed in the through groove 22, the number of liquid storage grooves 22a corresponds to the number of assembling grooves 21; a plurality of partitions 221 for partitioning the through groove 22 to form the reservoir 22a are provided in the through groove 22, each partition 221 extending in the width direction of the through groove 22 and being arranged at intervals in the longitudinal direction of the through groove 22.

In order to realize the assembly between the support plate 3 and the heating plate 2, the caulking groove 23 is opened on one side of the heating plate 2 in the transverse extending direction, the inserting part 31 matched with the caulking groove 23 is arranged on the end surface of the first support plate 3 in a protruding mode, the heating plate 2 and the support plate 3 are inserted and matched with the caulking groove 23 through the inserting part 31, the depth of the caulking groove 23 is not larger than the height of the inserting part 31, the design of the caulking groove 23 and the inserting part 31 can ensure that one end of the optical fiber connector shell, which is filled with glue, is always at a higher position, and the glue can not flow back.

When the connector is used, a proper amount of glue is poured into the inner hole of the ceramic ferrule, the fiber core of the optical fiber is inserted into the inner hole of the ceramic ferrule filled with the glue, and the inserted assembly is installed into the connector shell and is placed into the assembling groove 21 corresponding to the heating plate 2.

Claims

1. A device for solidifying the ceramic ferrule and the optical fiber comprises

A base (1);

heating plate (2), its characterized in that: the heating plate (2) is longitudinally arranged on the base (1), an assembly groove group (20) is formed in the heating plate (2), and the assembly groove group (20) is provided with at least two transversely extending assembly grooves (21) for fixing the optical fiber connector; and

and a support plate (3) for supporting the fiber tail harness, arranged at one side of the heating plate (2) in the opening direction of the fitting groove (21), and having one end of the support plate (3) adjacent to the fitting groove (21) lower than the other end of the support plate (3) away from the fitting groove (21), such that the support plate (3) is arranged obliquely toward the heating plate (2).

2. The curing apparatus of claim 1, wherein: the heating plate (2) is provided with an embedded groove (23) on one side of the transverse extending direction, an inserting part (31) matched with the embedded groove (23) is arranged on the end face of one end of the supporting plate (3) in a protruding mode, and the heating plate (2) and the supporting plate (3) are connected in an inserting mode through the inserting part (31) and the embedded groove (23).

3. The curing apparatus of claim 2, wherein: the depth of the caulking groove (23) is not more than the height of the inserting part (31).

4. The curing apparatus according to any one of claims 1 to 3, wherein: the heating plate is characterized in that the number of the supporting plates (3) is two, the two supporting plates (3) extend in the same direction with the heating plate (2) and are respectively arranged on two sides of the heating plate (2), and correspondingly, two groups of assembling groove groups (20) which are respectively arranged corresponding to the supporting plates (3) are arranged on the heating plate (2).

5. The curing apparatus of claim 4, wherein: a through groove (22) for receiving glue is arranged between the two assembling groove groups (20), and a plurality of liquid storage grooves (22a) which are respectively arranged corresponding to the assembling grooves (21) are formed in the through groove (22).

6. The curing apparatus of claim 5, wherein: a plurality of partition plates (221) used for partitioning the through groove (22) to form a liquid storage tank (22a) are arranged in the through groove (22), and each partition plate (221) extends along the width direction of the through groove (22) and is arranged at intervals along the length direction of the through groove (22).

7. The curing apparatus of claim 1, wherein: supporting legs (32) are arranged at the bottom of the supporting plate (3) far away from the heating plate (2) in a downward protruding mode.