CN216575025U - Optical ferrule bending jig - Google Patents

Abstract

The utility model discloses an optical ferrule bending jig, which relates to the technical field of optical device processing and comprises a jig base and two jig bending stop blocks which are oppositely arranged; the jig bending stop block is movably arranged on the jig base through a connecting piece penetrating through the mounting hole and the adjusting groove; the optical ferrule bending jig is adjustable in size, applicable to optical ferrules of different models in a certain range, accurate in bending size, compact and simple in structure, convenient to use and take and low in processing cost.

Description

Optical ferrule bending jig

Technical Field

The utility model relates to the technical field of optical device processing, in particular to an optical ferrule bending jig.

Background

Lenses and rectangular optical devices are commonly used in an optical path, the lenses are generally selected from lens adapters, lens sleeves, fixing rings and other components with various specifications and sizes, but the rectangular optical devices are basically protected by being individually matched with corresponding optical ferrules.

The optical ferrule can be used for protecting the rectangular optical device, and can prevent unnecessary reflection caused by light rays emitted at the corners of the optical device while protecting the corners of the optical device, so that the optical ferrule becomes a main mounting accessory of the rectangular optical device. Currently, there are two general ways for the assembly of optical devices: manual and fully automatic machine assembly. The manual installation mode is relatively simple, has low equipment requirement, is suitable for small-batch production with annual output value less than thousands of sets, and has the problem of ensuring the consistency of assembly precision; and the full-automatic machine assembly is generally matched with a vision system, so that the precision is high, but the equipment investment is large at one time.

Because the optical ferrule adopts the sheet structure mostly, and the sheet edge is equipped with four and extends the support to the size is less, consequently adds man-hour in small batch, adopts manual bending mostly, and when not having the tool, the size of bending is inaccurate, and the rejection rate is high.

Aiming at the problems, the utility model designs a manual bending jig for the optical ferrule.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an optical ferrule bending jig.

The technical scheme adopted by the utility model is as follows:

an optical ferrule bending jig comprises a jig base and two jig bending stop blocks which are oppositely arranged;

the jig bending stop block is movably arranged on the jig base through a connecting piece penetrating through the mounting hole and the adjusting groove; and the rectangular optical device provided with the optical ferrule is placed on the upper surface of the jig bending stop block.

Preferably, the jig bending stop block is wedge-shaped and is provided with a first right-angle side wall and a second right-angle side wall which are vertical to each other and an oblique side wall which is connected with the first right-angle side wall and the second right-angle side wall; the two jig bending stop blocks are opposite in inclined side wall and form an adjusting gap.

Preferably, the adjusting grooves are two strip-shaped grooves symmetrically formed along a diagonal line of the upper surface of the jig base.

Preferably, the side wall of the jig base is provided with a bending placing groove.

Preferably, the optical ferrule bending jig further comprises a jig pressing plate covering the jig bending stopper.

Preferably, a pressing hole is formed in the center of the upper surface of the jig pressing plate; the pressing piece is fixedly arranged on the upper surface of the rectangular optical device in an abutting mode and penetrates through the pressing hole.

Preferably, the pressing member is a pressing screw.

Preferably, the side wall of the jig pressing plate is provided with an avoiding groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the jig base is provided with the adjusting groove, the jig bending stop block is provided with the mounting hole, and the jig bending stop block is movably connected to the jig base, namely the jig bending stop block can be adjusted in a sliding manner on the jig base according to the size of an actual optical ferrule, adjusted to a proper size and locked and fixed; the optical ferrule is placed on the upper surface of the jig bending stop block, the position of the optical ferrule coincides with the edge of the jig bending stop block, the extending support of the optical ferrule can be bent by means of the edge corner angle of the jig bending stop block, and the bending angle and the bending size are guaranteed to be consistent.

Drawings

FIG. 1: a schematic structural diagram of an optical ferrule bending jig;

FIG. 2: a schematic diagram of an optical ferrule after being compressed in a bending jig;

FIG. 3: a top view of a fixture base in an optical ferrule bending fixture;

FIG. 4: a top view of a fixture bending stop block in an optical ferrule bending fixture;

FIG. 5: a top view of a jig pressing plate in an optical ferrule bending jig.

Reference numerals:

1-a jig base; 2-bending the stop block by the jig; 3-a jig pressing plate; 4-an adjustment tank; 5-mounting holes; 6-connecting piece;

7-a pressing piece; 8-an optical ferrule; 9-bending the placing groove; 10-avoidance groove; 11-extension support.

Detailed Description

In order to make the purpose and technical solution of the embodiments of the present invention clearer, the technical solution of the present invention will be clearly and completely described below with reference to the embodiments of the present invention.

In the description of the present application, it is to be understood that the terms "length," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship as shown in the drawings, which are used for convenience in describing and simplifying the present application, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present application.

As shown in fig. 1 to 5, an optical ferrule bending jig includes a jig base 1 and two jig bending stoppers 2 disposed opposite to each other. The jig base 1 is provided with an adjusting groove 4, and the adjusting groove 4 is two strip-shaped grooves symmetrically formed along the diagonal line of the upper surface of the jig base 1. The jig bending stop block 2 is provided with a mounting hole 5, and the jig bending stop block 2 is movably mounted on the jig base 1 through a connecting piece 6 penetrating through the mounting hole 5 and the adjusting groove 4; therefore, the connecting piece 6 can slide in the strip-shaped groove, and the jig bending stop block 2 is installed on the jig base 1 by the connecting piece 6 penetrating through the installation hole 5, so that the jig bending stop block 2 can be adjusted in position on the jig base 1 along the adjusting groove 4 along with the sliding of the connecting piece 6.

The jig bending stop block 2 is wedge-shaped, and the jig bending stop block 2 is provided with a first right-angle side wall and a second right-angle side wall which are vertical to each other and an oblique side wall which is connected with the first right-angle side wall and the second right-angle side wall; in the adjusting process, because the optical ferrule 8 is rectangular, the oblique side walls of the two jig bending stop blocks are opposite to each other and form an adjusting gap. During the regulation, can select one of them tool dog of buckling to be fixed, another tool dog of buckling carries out the relative slip, also can select two tools dogs of buckling to adjust in step. However, no matter what adjusting mode, the oblique side walls of the two jig bending stop blocks are always kept in a parallel state. The rectangular optical device provided with the optical ferrule 8 is placed on the upper surface of the jig bending stop block 2, and in the process of placing the rectangular optical device, the position of the jig bending stop block is adjusted by observing the size of the optical ferrule 8 outside the rectangular optical device, so that the edge of the optical ferrule 8 can coincide with the right-angle side wall of the jig bending stop block respectively after the rectangular optical device is placed on the upper surface of the jig bending stop block 2.

The side wall of the jig base 1 is provided with a bending placing groove 9, so that when the extension support 11 around the optical ferrule 8 is bent, no interference occurs to cause deformation.

In order to further increase the positioning precision of the optical ferrule 8, the optical ferrule 8 bending jig also covers the jig pressing plate 3 above the jig bending stop block 2. A pressing hole is formed in the center of the upper surface of the jig pressing plate 3; the pressing hole is a threaded hole, preferably a countersunk threaded hole, the pressing piece 7 fixedly penetrates through the pressing hole and the optical sleeve 8 and is fixed on the jig base 1, so that the rectangular optical device provided with the optical sleeve 8 can be firmly fixed between the jig pressing plate 3 and the jig bending baffle, the position change can not occur in the bending process, and the deformation can be prevented. The pressing piece 7 is a pressing screw, a threaded hole is formed in the center of the jig base 1, and the optical ferrule 8 is a hollow frame, and an adjusting gap is reserved between the jig bending baffle plates 2, so that the pressing screw penetrates through the jig pressing plate 3, the optical ferrule 8 and the jig bending baffle plates 2, is fixedly screwed in the threaded hole of the jig base 1, and plays a role in pressing. The side wall of the jig pressing plate 3 is provided with an avoiding groove 10, so that the extension support 11 can be bent more conveniently.

In the present invention, each dimension of the jig base 1 is as shown in fig. 3, wherein the side length of the jig base 1 is b, the adjusting groove 4 includes two strip-shaped grooves, the length of each strip-shaped groove is c, and the dimension of the jig bending stopper 2 is as shown in the figure, in this embodiment, the jig bending stopper 2 is in the shape of an equilateral right-angled triangle, and the two first right-angled side walls and the second right-angled side walls which are perpendicular to each other have the same length and dimension, which are both a. In this embodiment, the values of a, b, and c are: and the optical ferrule 8 with the dimension range of 25.4mm-36mm can be bent under the condition that the a is 24mm, the b is 36mm and the c is 7.5 mm. In addition, can be according to actual conditions, make not unidimensional tool base 1 and tool dog 2 of bending to satisfy the demand of bending.

The optical ferrule bending jig comprises the following operation steps:

the method comprises the following steps: the pressing piece 7 and the jig pressing plate 3 are detached;

step two: loosening the connecting piece 6, adjusting the position of the jig bending stop block 2 according to the size of the outer frame of the optical ferrule 8 to be bent, tightening the connecting piece 6 after the position is determined, and fixing the jig bending stop block 2 on the jig base 1;

step three: placing the optical ferrule 8 to be bent on the jig bending stop block 2, and enabling the edge of the optical ferrule 8 to be bent to be approximately superposed with the side wall of the right angle measured by the jig bending stop block 2;

step four: covering the jig pressing plate 3, and screwing the pressing piece 7 to fix the optical ferrule 8 between the jig pressing plate 3 and the jig bending baffle;

step five: and sequentially towards the direction of the jig base 1, downwards bending the four extending supports of the optical ferrule 8, and after bending is completed, removing the pressing piece 7 and the jig pressing plate 3 to take out the finished optical ferrule 8.

The above are merely embodiments of the present invention, which are described in detail and with particularity, and therefore should not be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit of the present invention, and these changes and modifications are within the scope of the present invention.

Claims (8)

1. The utility model provides an optical ferrule tool of bending which characterized in that:

the jig bending device comprises a jig base and two jig bending stop blocks which are oppositely arranged;

the jig bending stop block is movably arranged on the jig base through a connecting piece penetrating through the mounting hole and the adjusting groove; and the optical ferrule to be processed is arranged on the upper surface of the jig bending stop block.

2. The optical ferrule bending jig according to claim 1, wherein: the jig bending stop block is wedge-shaped and is provided with a first right-angle side wall and a second right-angle side wall which are vertical to each other and an oblique side wall which is connected with the first right-angle side wall and the second right-angle side wall; the two jig bending stop blocks are opposite in inclined side wall and form an adjusting gap.

3. The optical ferrule bending jig according to claim 1, wherein: the adjusting grooves are two strip-shaped grooves symmetrically formed along the diagonal line of the upper surface of the jig base.

4. The optical ferrule bending jig according to claim 1, wherein: and a bending and placing groove is formed in the side wall of the jig base.

5. The optical ferrule bending jig according to claim 1, wherein: the optical ferrule bending jig further comprises a jig pressing plate covering the jig bending stop block.

6. The optical ferrule bending jig according to claim 5, wherein: a pressing hole is formed in the center of the upper surface of the jig pressing plate; the pressing piece fixedly penetrates through the pressing hole and the optical ferrule to be fixed on the jig base.

7. The optical ferrule bending jig according to claim 6, wherein: the pressing piece is a pressing screw.

8. The optical ferrule bending jig according to claim 5, wherein: and the side wall of the jig pressing plate is provided with an avoiding groove.

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